From owner-mathdep LISTSERV.HEANET.IE Wed Jan 24 17:34:30 2018 Return-Path: References: <066BF421-3507-4B4C-8695-3FC2EE21ADE7 stp.dias.ie> <09E47C25-873E-4962-86BD-CF10EF059DE8 stp.dias.ie> <30022D96-8FA3-4786-B5D1-79D091CB7A98 stp.dias.ie> <7295AF41-DF17-4E65-958F-C4F36EB24008 stp.dias.ie> X-Mailer: Apple Mail (2.3445.5.20) Message-ID: <7D33D3D0-7938-49EC-8FCA-72F4F893A2A8 stp.dias.ie> Date: Wed, 24 Jan 2018 17:34:11 +0000 Reply-To: Leron Borsten Sender: UCD Maths Department Distribution List From: Leron Borsten Subject: DIAS Theoretical Physics Seminar, 6th Feb To: MATHDEP LISTSERV.HEANET.IE In-Reply-To: <7295AF41-DF17-4E65-958F-C4F36EB24008 stp.dias.ie> Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: Status: O X-Status: X-Keywords: X-UID: 2 --Apple-Mail=_6EAEDCF6-6AEC-42EF-A9D6-24F02BEDC6FB Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii DIAS THEORETICAL PHYSICS SEMINAR Time: Tuesday, 6th February 2018, 2:30 pm Speaker: Ruth Britto (Trinity College Dublin) Title: A Hopf algebra for Feynman diagrams and integral Abstract: I will present a combinatorial operation on one-loop Feynman = diagrams, described by cutting and pinching edges, that corresponds to = the Hopf-algebraic coaction on the multiple polylogarithms resulting = from their integration. A generalization of this operation, expressed = simply in terms of master integrands paired with master contours, can be = applied directly to larger classes of functions including hypergeometric = functions. I will discuss applications to analyses of discontinuities of = and differential equations for Feynman diagrams. Place: Lecture Room, 1st Floor, School of Theoretical Physics, DIAS, 10 = Burlington Road, Dublin 4 All welcome! &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& title:: DIAS Theoretical Physics Seminar content:: Ruth Britto (Trinity College Dublin) ::A Hopf algebra for Feynman diagrams and integrals date-time:: 6 February 2018 at 2:30 pm location:: School of Theoretical Physics, DIAS. 10 Burlington Road, D.4. endevent:: --Apple-Mail=_6EAEDCF6-6AEC-42EF-A9D6-24F02BEDC6FB Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii DIAS = THEORETICAL PHYSICS SEMINAR

Time: = Tuesday, 6th February  2018, 2:30 pm

Speaker: Ruth Britto (Trinity College = Dublin)

Title: A Hopf algebra for Feynman = diagrams and integral

Abstract: I will present a = combinatorial operation on one-loop Feynman diagrams, described by = cutting and pinching edges, that corresponds to the Hopf-algebraic = coaction on the multiple polylogarithms resulting from their = integration. A generalization of this operation, expressed simply = in terms of master integrands paired with master contours, can be = applied directly to larger classes of functions including hypergeometric = functions. I will discuss applications to analyses of discontinuities of = and differential equations for Feynman diagrams.

Place: Lecture Room, 1st Floor, School of = Theoretical Physics, DIAS, 10 Burlington Road, Dublin 4
All welcome!
&&&&&&&&&&&=
&&&&&&&&&&&&&&&=
;&&&&&&&&&&&&&&&am=
p;&&&&&&&&&&&&&=

title:: DIAS Theoretical Physics Seminar
content:: Ruth Britto (Trinity College =
Dublin)
::A Hopf algebra =
for Feynman diagrams and integrals
date-time:: =
6 February  2018 at 2:30 pm
location:: School of =
Theoretical Physics, DIAS. 10 Burlington Road, D.4.
endevent::










= --Apple-Mail=_6EAEDCF6-6AEC-42EF-A9D6-24F02BEDC6FB-- From owner-mathdep LISTSERV.HEANET.IE Thu Mar 1 14:12:03 2018 Return-Path: Date: Thu, 1 Mar 2018 07:22:41 -0500 Reply-To: Colm Mulcahy Sender: UCD Maths Department Distribution List From: Colm Mulcahy Subject: Maths: The Atlas of Irish Maths -- Westmeath To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: Status: O X-Status: X-Keywords: X-UID: 3 --089e0823b868ef6cc0056658eceb Content-Type: text/plain; charset="UTF-8" The Atlas of Irish Maths blog series (bi-monthly) turns to Westmeath for February. http://www.mathsireland.ie/blog/2018_02_cm There are probably many others who should be included here but whose Westmeath connections we have missed, please suggest name/careers to add. Stay warm c Colm Mulcahy ( Spelman College & UCD ) --089e0823b868ef6cc0056658eceb Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

The Atlas of Irish Maths blog series (bi-monthly)= turns to Westmeath for February.


http://www.mathsi= reland.ie/blog/2018_02_cm


T= here are probably many others who should be included here but whose Westmea= th connections we have missed, please suggest name/careers to add.



Stay warm

c

Col= m Mulcahy ( Spelman College & UCD )=C2=A0=C2=A0
--089e0823b868ef6cc0056658eceb-- From owner-mathdep LISTSERV.HEANET.IE Thu Mar 1 22:55:32 2018 Return-Path: Date: Thu, 1 Mar 2018 22:56:02 +0000 Reply-To: Fabio Deelan Cunden Sender: UCD Maths Department Distribution List From: Fabio Deelan Cunden Subject: maths: UCD Probability Seminar To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: Status: O X-Status: X-Keywords: X-UID: 4 --Apple-Mail=_916E59A3-498F-4F44-9D53-1285DA954C01 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii UCD Probability Seminar Speaker: Philippe Biane (Paris) Title: Gog and Magog triangles and the Schutzenberger involution Date: Wednesday, 7th March 2018 Time: 2pm Location: UCD, 125 Science North (JK Lab) Abstract: I will present Gog and Magog triangles which are particular = cases of Gelfand-Tsetlin triangles and which appear in many models of = statistical mechanics. An open problem is to find a bijection between = these classes of objects. I will explain an approach to this problem = based on the Schutzenberger involution. All are welcome. Best wishes, Fabio %%%%%%%%%% Upcoming seminars:=20 https://www.ucd.ie/mathstat/research/seminars/probabilityseminars1718/ = =20= http://www.maths.ucd.ie/~noconnell/seminars1718.html = %%%%%%%%%% title:: UCD Probability Seminar content:: Philippe Biane (Paris) will speak on :: Gog and Magog triangles and the Schutzenberger involution date-time:: Wednesday, 7th March 2018 at 2:00pm location:: UCD, 125 Science North (JK Lab) endevent::= --Apple-Mail=_916E59A3-498F-4F44-9D53-1285DA954C01 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii
UCD Probability Seminar

Speaker:   Philippe Biane (Paris)

Title:   Gog and Magog triangles and = the Schutzenberger involution

Date: =    Wednesday, 7th March 2018

Time:    2pm

Location:    UCD, 125 Science North (JK = Lab)

Abstract:  I will present Gog and = Magog triangles which are particular cases of Gelfand-Tsetlin triangles = and which appear in many models of statistical mechanics. An open = problem is to find a bijection between these classes of objects. I will = explain an approach to this problem based on the Schutzenberger = involution.


All are = welcome.

Best wishes,
Fabio

%%%%%%%%%%

Upcoming seminars: 
https://www.ucd.ie/mathstat/research/seminars/probabilitysemina= rs1718/ 
http://www.maths.ucd.ie/~noconnell/seminars1718.html
<= div class=3D"">
%%%%%%%%%%


title:: UCD Probability = Seminar
content:: Philippe Biane (Paris) will = speak on
:: Gog and Magog triangles and the = Schutzenberger involution
date-time:: =   Wednesday, 7th March 2018 at 2:00pm
location:: UCD, 125 Science North (JK Lab)
endevent::
= --Apple-Mail=_916E59A3-498F-4F44-9D53-1285DA954C01-- From owner-mathdep LISTSERV.HEANET.IE Sat Mar 3 00:30:39 2018 Return-Path: References: <12c84601-6b99-1ef9-1c62-954164e2c516 maths.tcd.ie> X-Forwarded-Message-Id: <12c84601-6b99-1ef9-1c62-954164e2c516 maths.tcd.ie> User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Message-ID: <70279f5d-11ca-8e6f-9392-a56dd5c5e649 maths.tcd.ie> Date: Sat, 3 Mar 2018 00:30:08 +0000 Reply-To: sint maths.tcd.ie Sender: UCD Maths Department Distribution List From: Stefan Sint Subject: maths: Dublin Theoretical Physics Colloquium To: MATHDEP LISTSERV.HEANET.IE In-Reply-To: <12c84601-6b99-1ef9-1c62-954164e2c516 maths.tcd.ie> Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: Status: O X-Status: X-Keywords: X-UID: 5 Dublin Theoretical Physics Colloquium Date & Time: Wednesday, 7th March 2018 at 4:00 pm Venue: Synge Lecture Theatre, Hamilton building, Trinity College Dublin Speaker: Aleksi Kurkela (CERN) Title: What do neutron stars teach us about QCD? Abstract: The structure of neutron stars is determined by a competition between gravity and the pressure of strong interactions, and as such neutron stars provide a unique macroscopic laboratory for QCD. The progress in the observational side is very fast: masses of over 30 neutron stars have been measured precisely, and the estimates of radii are getting increasingly accurate. The recent detection of gravitational waves originating from a merger of two neutron stars has opened a completely new window to neutron star structure. In my talk, I will describe how we can use first principles calculations in QCD to gain understanding of the structure of neutron stars, and how the astrophysical observations of neutron stars can help us understand the properties of QCD in conditions where no first principles calculations are available. All are welcome! ===================== Future speakers: 21st March: Pietro Longhi ===================== https://docs.google.com/document/d/19tE1zcbMU8fkHQR_58icn0vjnE03by1SINCFAT3E5ao/edit?usp=sharing title:: Dublin Theoretical Physics Colloquium content:: Aleksi Kurkela (CERN) will speak on :: What do neutron stars teach us about QCD? date-time::  Wednesday the 7th of March at 16:00pm location:: Synge Lecture Theatre, School of Mathematics, Trinity College Dublin endevent:: - ------------------------- Stefan Sint School of Mathematics Trinity College Dublin Dublin 2 Ireland phone: +353 896 8559 email: sint maths.tcd.ie ------------------------- From owner-mathdep LISTSERV.HEANET.IE Mon Mar 5 10:13:58 2018 Return-Path: References: ,,,,,,,,,,,,,, Accept-Language: en-IE, en-US Content-Language: en-IE X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [143.239.76.11] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;DB3PR02MB0457;7:6NPJd3MvimWoATlzEJ3VHwEKYlBeJhCbBWUa9eVTflM4D2wXsdxnN4gC9HOq6PPZ9ZS2hn7Xq8AXpvXfKLEYpyX0V+m24MpSbBGGQ2zbVmAUE0qcw3HvaGeMGUnawfzxdapUnHF50LvZTWL1YggJRzAJtpZEwJY7qwB7SLa8ON3EkJB/vmOfKUgPqq5pVAk+3q/crMbJb5fLFZQk6bewxocR/4v/Ekvs2QjDErqSBkoPgMGmjsPk7kNV2TS8izsE x-ms-exchange-antispam-srfa-diagnostics: SSOS; x-ms-office365-filtering-correlation-id: ec2a8bff-13be-4dea-96fe-08d58281c696 x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(8989060)(5600026)(4604075)(3008032)(4534165)(4627221)(201703031133081)(201702281549075)(8990040)(2017052603307)(7153060)(7193020);SRVR:DB3PR02MB0457; x-ms-traffictypediagnostic: DB3PR02MB0457: x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(171593684265217); x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(6040501)(2401047)(2017080701011)(8121501046)(5005006)(93006095)(93001095)(10201501046)(3231220)(944501244)(52105095)(3002001)(6041288)(20161123564045)(20161123562045)(20161123560045)(201703131423095)(201702281529075)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123558120)(6072148)(201708071742011);SRVR:DB3PR02MB0457;BCL:0;PCL:0;RULEID:;SRVR:DB3PR02MB0457; x-forefront-prvs: 06022AA85F x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(39860400002)(346002)(39380400002)(376002)(366004)(396003)(199004)(189003)(2351001)(76176011)(86362001)(99286004)(106356001)(7696005)(74482002)(7736002)(97736004)(2900100001)(316002)(786003)(26005)(186003)(2501003)(74316002)(5250100002)(19627405001)(5660300001)(33656002)(55016002)(9686003)(54896002)(236005)(6306002)(5640700003)(6436002)(3846002)(6116002)(53946003)(68736007)(66066001)(16119065003)(53936002)(3660700001)(53376002)(3280700002)(81156014)(8676002)(81166006)(478600001)(93886005)(413944005)(25786009)(14454004)(105586002)(8936002)(6506007)(102836004)(2950100002)(6606003)(6916009)(2906002)(606006);DIR:OUT;SFP:1101;SCL:1;SRVR:DB3PR02MB0457;H:DB3PR02MB0281.eurprd02.prod.outlook.com;FPR:;SPF:None;PTR:InfoNoRecords;A:0;MX:1;LANG:en; received-spf: None (protection.outlook.com: ucc.ie does not designate permitted sender hosts) x-microsoft-antispam-message-info: kqqllqaG40VcSWi9nMy32YOdBDWh5NQ4u40d80VFuJvQbsIcgPohPUCnh887g5u8vsENHkJ3sVIiIQ2zCYI9CYGjSyzwk3X9LHIz5zpROsppR/H44NHAlMRytz4+1rDZhHz2ZVCF2GDHHYu3yL+6B1wci5np1RGqQLjU11fY6PaeZnFyCyb8EE0mGFgENc9XzVU/+iVIV+REpGMNPZjHNbgjUFoGdn3ZD2DA8m54lFbitQq6bG8tZ1SARxJ80QW4pAVlVa6EhNrc3/chkIF7bfZOnmI7tkMrr7DuCzd8xsuNYgJ5r5XLhGMddFpRtjtFcMiAu+pOGpAIB1QdczIsJA== spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: multipart/alternative; boundary="_000_DB3PR02MB0281CFCD8277523222754CEA8FDA0DB3PR02MB0281eurp_" MIME-Version: 1.0 X-OriginatorOrg: ucc.ie X-MS-Exchange-CrossTenant-Network-Message-Id: ec2a8bff-13be-4dea-96fe-08d58281c696 X-MS-Exchange-CrossTenant-originalarrivaltime: 05 Mar 2018 10:13:43.5693 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46fe5ca5-866f-4e42-92e9-ed8786245545 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB3PR02MB0457 Message-ID: Date: Mon, 5 Mar 2018 10:13:43 +0000 Reply-To: "Henry, David" Sender: UCD Maths Department Distribution List From: "Henry, David" Subject: maths: UCC Applied Mathematics Seminar, Thursday 8 March To: MATHDEP LISTSERV.HEANET.IE In-Reply-To: Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: Status: O X-Status: X-Keywords: X-UID: 6 --_000_DB3PR02MB0281CFCD8277523222754CEA8FDA0DB3PR02MB0281eurp_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Dear Colleagues, All are welcome at the following seminar: UCC Applied Mathematics Seminar Speaker: Peter Lynch (UCD) Time and location: 12pm, Thursday 8 March, WGB G02 Title: Numerical Weather Prediction: A Laplace Transform Scheme for Integra= tion of the Forecast Equations Abstract: The development of computer models for weather forecasting and cl= imate prediction is one of the great scientific triumphs of the twentieth c= entury. Today, numerical weather prediction plays a central and essential = role in operational weather forecasting. Forecasts now have accuracy at ran= ges beyond a week. The improvement in forecasting skill over the past century has been somethi= ng of a quiet revolution. There have been major advances on several fronts= : enhancements in model resolution, better numerical schemes, more realisti= c representation of physical processes, new observational data from satelli= tes and more sophisticated methods of determining the initial conditions. In this talk I will review developments, from the pre-history of computer f= orecasting around 1900, through the first computer forecast in 1950 to the = establishment of the European Centre for Medium-Range Weather Forecasts. I will also describe recent results using a new integration scheme based on= the Laplace transform. This method will be shown to yield results superior= to the semi-implicit scheme, which is currently used in the majority of op= erational forecasting models. **************************** Lines for mathdep calendar: title:: UCC Applied Maths Seminar date-time:: Thursday 8 March AT 12pm location:: WGB G02 content:: Peter Lynch :: (UCD) :: presents a talk entitled :: "Numerical Weather Prediction: A Laplace Transform Scheme for Integratio= n of the Forecast Equations" endevent:: _____________________ Dr. David Henry Lecturer in Applied Mathematics School of Mathematical Sciences University College Cork Ireland +353-21 420 5861 --_000_DB3PR02MB0281CFCD8277523222754CEA8FDA0DB3PR02MB0281eurp_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Dear Colleagues,

All are welcome at the following seminar:


UCC Applied Mathematics Seminar

Speaker: Peter Lynch (UCD)

Time and location: 12pm, Thursday 8 March, WGB G02

Title: = Numerical= Weather Prediction: A Laplace Transform Scheme for Integration of the Fore= cast Equations

Abstract: The development of computer models for weather forecasting= and climate prediction is one of the great scientific triumphs of the twen= tieth century.  Today, numerical weather prediction plays a central an= d essential role in operational weather forecasting. Forecasts now have accuracy at ranges beyond a week.

The improvement in forecasting skill over the past century has been somethi= ng of a quiet revolution.  There have been major advances on several f= ronts: enhancements in model resolution, better numerical schemes, more rea= listic representation of physical processes, new observational data from satellites and more sophisticated methods of d= etermining the initial conditions.

In this talk I will review developments, from the pre-history of computer f= orecasting around 1900, through the first computer forecast in 1950 to the = establishment of the European Centre for Medium-Range Weather Forecasts.
I will also describe recent results using a new integration scheme based on= the Laplace transform. This method will be shown to yield results superior= to the semi-implicit scheme, which is currently used in the majority of op= erational forecasting models.


=
****************************





<= span style=3D"font-size:16px">Lines for mathdep calendar:

title:: UCC Applied Maths Seminar
date-time:: Thursday 8 March AT 12pm
location:: WGB G02
content:: Peter Lynch<= /span>

:: (UCD)
<= span style=3D"font-size:10pt"><= /span>= = = = = <= /span><= span style=3D"font-size:10pt"><= /font><= span style=3D"font-size:10pt">= = = <= span style=3D"font-size:10pt"><= /font><= span style=3D"font-size:10pt">= = = <= span style=3D"font-size:10pt"><= /font><= span style=3D"font-size:10pt">= = = <= span style=3D"font-size:10pt"><= /span><= span style=3D"font-size:16px"><= font size=3D"2" face=3D"Times New Roman">:: presents a talk entitled
:: "<= /font><= span>Numerical Weather Prediction: A Laplace Transform Scheme for Integration of the Fore= cast Equations"
<= span style=3D"font-size:10pt">ende= vent::

<= /font>


_____________________

Dr. David Henry
Lecturer in Applied Mathematics
School of Mathematical Sciences
University College Cork
Ireland

+353-21 420 5861
--_000_DB3PR02MB0281CFCD8277523222754CEA8FDA0DB3PR02MB0281eurp_-- From owner-mathdep LISTSERV.HEANET.IE Mon Mar 5 11:05:04 2018 Return-Path: Date: Mon, 5 Mar 2018 11:02:14 +0000 Reply-To: Thomas Huettemann Sender: UCD Maths Department Distribution List From: Thomas Huettemann Subject: maths: British and Irish Geometry Meeting in Belfast To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by maths.ucd.ie id w25B4vS6017524 Status: O X-Status: X-Keywords: X-UID: 7 The British and Irish Geometry Meeting (BI-GeM) will take place on 1st and 2nd of June 2018 at Queen's University Belfast. The list of speakers includes: Barbara Baumeister, Universität Bielefeld (Germany); Jürgen Berndt, University College London (UK); Tom Brady, Dublin City University (Ireland); John Burns, National University of Ireland in Galway (Ireland); Lynn Heller, Universität Hannover (Germany); Jarek Kedra, University of Aberdeen (UK); Mary Rees, University of Liverpool (UK). More information (schedule, travel information, registration) will appear in due course on the conference website: http://web.am.qub.ac.uk/wp/msrc/conferences/bi-gem2018/ The organisers, Thomas Huettemann and Brian McMaster -- Dr. Thomas Huettemann Mathematical Sciences Research Centre School of Mathematics and Physics Queen's University Belfast Belfast BT7 1NN Northern Ireland, UK Phone: +44 (0) 28 9097 1940 Fax: +44 (0) 28 9097 1541 web: http://www.qub.ac.uk/puremaths/Staff/Thomas Huettemann/index.html From owner-mathdep LISTSERV.HEANET.IE Mon Mar 5 11:08:37 2018 Return-Path: Date: Mon, 5 Mar 2018 11:08:34 +0000 Reply-To: Thomas Huettemann Sender: UCD Maths Department Distribution List From: Thomas Huettemann Subject: maths: calendar entry for the British and Irish Geometry Meeting 2018 To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: Status: O X-Status: X-Keywords: X-UID: 8 title:: BI-GeM 2018 content:: British and Irish Geometry Meeting 2018 :: (web page: http://web.am.qub.ac.uk/wp/msrc/conferences/bi-gem2018/) date-time:: 01 June 2018 location:: Queen's University Belfast noemail:: endevent:: noemail:: title:: BI-GeM 2018 content:: British and Irish Geometry Meeting 2018 :: (web page: http://web.am.qub.ac.uk/wp/msrc/conferences/bi-gem2018/) date-time:: 02 June 2018 location:: Queen's University Belfast noemail:: endevent:: noemail:: From owner-mathdep LISTSERV.HEANET.IE Mon Mar 5 16:51:39 2018 Return-Path: Date: Mon, 5 Mar 2018 16:51:20 +0000 Reply-To: "Richard M. Timoney" Sender: UCD Maths Department Distribution List From: "Richard M. Timoney" Subject: maths: Analysis seminar this week 6/3 To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: Status: O X-Status: X-Keywords: X-UID: 9 ANALYSIS SEMINAR Tuesday 6th March at 3:00pm (place: UCD Science North 125 ) Speaker: J. Giacomoni (Pau, France) Title: Diaz Saa Inequality for $p(x)$-laplacian and applications Abstract In this talk, I will present a recent work with P. Takac. It concerns a new extension of the well-known inequality by Diaz-Saa which in our case, involves an anisotropic operator, such as $p(x)$-Laplacian. Our present extension of this inequality enables us to establish several new results on the uniqueness of solutions, comparison principles and stabilization for some anisotropic quasilinear elliptic and parabolic equations. ======================== Tuesday 13th March at 3:00pm (place: UCD Science North 125 ) Speaker: S. Gardiner Title: Universal Fourier and Taylor series ______________________________ C. Boyd , R. Timoney . From owner-mathdep LISTSERV.HEANET.IE Mon Mar 5 17:55:55 2018 Return-Path: References: X-Forwarded-Message-Id: User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="------------DFAAC4CF2E1F6DF704EFA746" Content-Language: en-US Message-ID: <9615470a-370a-cad1-5186-79610ebb64bf dcu.ie> Date: Mon, 5 Mar 2018 17:55:46 +0000 Reply-To: John Regan Sender: UCD Maths Department Distribution List From: John Regan Subject: maths: CfAR Seminar, Wednesday 7th March 15.00. To: MATHDEP LISTSERV.HEANET.IE In-Reply-To: Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: Status: O X-Status: X-Keywords: X-UID: 10 This is a multi-part message in MIME format. --------------DFAAC4CF2E1F6DF704EFA746 Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: quoted-printable Centre for Astrophysics & Relativity www.cfar.ie Speaker: *Dr. Eleni Kontou, University of York* Title:***Singularity theorems, energy conditions and quantum inequalities* ** ** Abstract: // //Singularities, boundary points of spacetime beyond which no extension=20 is possible, continue to intrigue both mathematicians and physicists=20 since they are places where our current understanding of physical law=20 breaks down. The question whether they exist in physical situations is=20 still an open one. Fifty years ago, Hawking and Penrose developed the=20 first general, model independent, singularity theorems. These theorems=20 showed that singularities have to exist in any spacetime that satisfies=20 certain properties, some of which are mild assumptions but others,=20 called energy conditions, depend on matter content and are more=20 problematic. For both classical and quantum fields, violations of these=20 conditions can be observed in some of the simplest of cases. Focusing on=20 the strong energy condition, I will present an effort to develop=20 theorems with weaker restrictions, namely energy conditions averaged=20 over an entire geodesic and quantum inequalities; weighted local=20 averages of energy densities. / ///*/ Date: Wednesday 7th /March//**//**/ 1/**/5.00. Tea/Coffee will be=20 served in HG23 from 14.45. /*/ /Location: Lonsdale Building (X Building) Room HG23 https://www.dcu.ie/info/campus.shtml Cheers, John --=20 John Regan Marie Sklodowska-Curie Fellow Centre for Astrophysics & Relativity School of Mathematical Sciences Dublin City University www.johnregan.org --=20 *S=C3=A9anadh R=C3=ADomhphoist/Email DisclaimerT=C3=A1 an r=C3=ADomhphost s= eo agus aon chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3= =A1id ag an seola=C3=AD agus sin amh=C3=A1in =C3=A9. Is f=C3=A9idir tuillea= dh a l=C3=A9amh anseo. = This e-mail and any files transmitted with it are confidential and are inte= nded solely for use by the addressee. Read more here. * --=20 =20 =20 =20 --------------DFAAC4CF2E1F6DF704EFA746 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

Centre for Astrophysics & Relativity

www.cfar.ie

Speaker: Dr. Eleni Kontou, University of York

Title: Singularity theorems, energy conditions and quantum inequalities

Abstract:
Singularities, boundary points of spacetime beyond which no extension is possible, continue to intrigue both mathematicians and physicists since they are places where our current understanding of physical law breaks down. The question whether they exist in physical situations is still an open one. Fifty years ago, Hawking and Penrose developed the first general, model independent, singularity theorems. These theorems showed that singularities have to exist in any spacetime that satisfies certain properties, some of which are mild assumptions but others, called energy conditions, depend on matter content and are more problematic. For both classical and quantum fields, violations of these conditions can be observed in some of the simplest of cases. Focusing on the strong energy condition, I will present an effort to develop theorems with weaker restrictions, namely energy conditions averaged over an entire geodesic and quantum inequalities; weighted local averages of energy densities. =

Date: Wednesday 7th March 15.00. Tea/Coffee will be served in HG23 from 14.45.

Location: Lonsdale Building (X Building) Room HG23
https://www.dcu.ie/info/campus.shtml=

Cheers,
John
 
--=20
John Regan

Marie Sklodowska-Curie Fellow
Centre for Astrophysics & Relativity
School of Mathematical Sciences
Dublin City University
www.johnregan.org

S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=

T=C3=A1 an r=C3=ADomhphost seo agus a=
on chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=A1id ag an=
 seola=C3=AD agus sin amh=C3=A1in =C3=A9. Is f=C3=A9idir tuilleadh a l=
=C3=A9amh anseo.=C2=A0
This e-mail and any files transmitted with it are confidential and a=
re intended solely for use by the addressee. Read more here.







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From owner-mathdep LISTSERV.HEANET.IE  Tue Mar  6 06:48:42 2018
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Date:         Tue, 6 Mar 2018 06:48:15 +0000
Reply-To:     Marina Krstic Marinkovic 
Sender:       UCD Maths Department Distribution List 
From:         Marina Krstic Marinkovic 
Subject: maths: Computational Applied Mathematics Seminar seminar, 6. March at 2pm (TODAY)
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Dear Colleagues,

This email is to announce the next seminar of 2018 in the Trinity College
Computational Applied Mathematics Seminars, which will take place on
Tuesday, 6. March at 2pm.

All are welcome.  Details of the seminar follow (please *note the new
location*).

################################################

Speaker: Isabel Campos (IFCA, IFT)
Time: Tuesday, 6. March at 2pm
Location: Viz Room (201), 2nd floor, Lloyd Bld., Trinity College Dublin

Title: Scientific computing through Virtualization Technologies

################################################

Best wishes,

Marina

-- 
Marina Krstic Marinkovic                                  Tel(mobile)   +353
83882 1110
Assistant Prof.,School of Mathematics             Tel(office)     +353 1
896 4598 <+353%201%20896%204598>
Trinity College , Dublin 2, Ireland
  Fax +353-1-896 2282 <+353%201%20896%202282>
Lloyd Building, Room 244                                e-mail m
marina maths.tcd.ie

--94eb2c0eee92c03cfc0566b8d3c8
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


Dear Colleagues,

This email is to announce the next seminar of 2018 in the =
Trinity College Computational Applied Mathematics Seminars, which will take=
 place on Tuesday, 6. March at=C2=A02pm.

All are welc=
ome.=C2=A0 Details of the seminar follow (please=C2=A0<=
span style=3D"color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12=
.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:norm=
al;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;t=
ext-transform:none;white-space:normal;word-spacing:0px;text-decoration-styl=
e:initial;text-decoration-color:initial;background-color:rgb(255,255,255);f=
loat:none;display:inline">note the new location).

############################=
####################

Speaker: Isabel Campos (=
IFCA, IFT)
Time: Tuesday, 6. March at 2pm
Location:=C2=A0Viz Room (201),=C2=A02nd floor,=C2=A0Lloyd B=
ld., Trinity College Dublin

Title:=C2=A0Scientific computing through Virtualization Technolo=
gies

################################################

Best wishes,

Marina

-- 
Marina Krstic Marinkovic=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=
=C2=A0Tel(mobile)=C2=A0=C2=A0=C2=A0+353 83882 1110
Assistant Prof.,School of Mathematics=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0Tel(office)=C2=A0 =C2=A0 =C2=A0+353 1 896 4598
T=
rinity College,=C2=A0Dublin 2, =
Ireland=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Fax +353-1-896 2282
Lloyd Building, Room 244=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=
 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 e-mail=C2=A0mmarina maths.tcd.ie




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From owner-mathdep LISTSERV.HEANET.IE  Tue Mar  6 08:24:40 2018
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Date:         Tue, 6 Mar 2018 08:25:36 +0000
Reply-To:     Fabio Deelan Cunden 
Sender:       UCD Maths Department Distribution List 
From:         Fabio Deelan Cunden 
Subject: maths: Tomorrow UCD Probability Seminar
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A reminder.=20

Best wishes
Fabio

%%%%%%%%%%

UCD Probability Seminar

Speaker:   Philippe Biane (Paris)

Title:   Gog and Magog triangles and the Schutzenberger involution

Date:    Wednesday, 7th March 2018

Time:    2pm

Location:    UCD, 125 Science North (JK Lab)

Abstract:  I will present Gog and Magog triangles which are particular =
cases of Gelfand-Tsetlin triangles and which appear in many models of =
statistical mechanics. An open problem is to find a bijection between =
these classes of objects. I will explain an approach to this problem =
based on the Schutzenberger involution.

Upcoming seminars:=20
https://www.ucd.ie/mathstat/research/seminars/probabilityseminars1718/ =
=20=

http://www.maths.ucd.ie/~noconnell/seminars1718.html =


%%%%%%%%%%=

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A =
reminder. 

Best wishes
Fabio

%%%%%%%%%%

UCD Probability =
Seminar

Speaker: =
  Philippe Biane (Paris)

Title:   Gog and Magog triangles and the =
Schutzenberger involution

Date: =
   Wednesday, 7th March 2018

Time:    2pm

Location:    UCD, 125 Science North (JK =
Lab)

Abstract:  I will present Gog and =
Magog triangles which are particular cases of Gelfand-Tsetlin triangles =
and which appear in many models of statistical mechanics. An open =
problem is to find a bijection between these classes of objects. I will =
explain an approach to this problem based on the Schutzenberger =
involution.

Upcoming seminars: 
https://www.ucd.ie/mathstat/research/seminars/probabilitysemina=
rs1718/ 
http://www.maths.ucd.ie/~noconnell/seminars1718.html
<=
div class=3D"">
%%%%%%%%%%
=

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From owner-mathdep LISTSERV.HEANET.IE  Tue Mar  6 15:56:23 2018
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Date:         Tue, 6 Mar 2018 15:55:51 +0000
Reply-To:     "Peg.Hanrahan" 
Sender:       UCD Maths Department Distribution List 
From:         "Peg.Hanrahan" 
Subject: Maths: MACSI Seminar: Krylov Subspace Methods for large-scale computing and imagine reconstruction. Friday 9th March 2018
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--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F9335D371exMbx3ulcampus_
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Content:

The department of Mathematics and Statistics at the University of Limerick =
invites you to a seminar by  Dr Kirk Soodhalter (Trinity College Dublin):

Title:   Krylov Subspace Methods for large-scale computing and imagine reco=
nstruction

Abstract:. Krylov subspace methods are a powerful class of iterative method=
s for sparse linear problems in which the operator may be available only th=
rough a procedure implementing its application.  In this talk, we review th=
e core mathematics underpinning the entire class of methods before pivoting=
 to discuss some of our recent work in this area, focusing on the analysis =
of Block Krylov Subspace methods, augmented methods (a class of methods all=
owing one to use a priori known data to drive the iteration, and methods fo=
r large-scale ill-posed problems.  For the latter, we focus on solving ill-=
posed image reconstruction problems for which the exact convolution operato=
r is not know (i.e., a blind deconvolution problem).  Numerical experiments=
 will be used to demonstrate the potential for these methods in various app=
lications.

This seminar will take place on Friday 9th March , at 4 p.m, in  Room A2-00=
2.

If you have any questions regarding this seminar, please direct them to Iai=
n Moyles (061 233726, iain.moyles ul.ie).
A full list of upcoming seminars can be found at http://www.ulsites.ul.ie/m=
acsi/node/48011

---------------------------------------------------------------------------=
-
Supported by Science Foundation Ireland funding, MACSI - the Mathematics Ap=
plications Consortium for Science and Industry (www.macsi.ul.ie), centred at the University of Limerick, is dedicated to the m=
athematical modelling and solution of problems which arise in science, engi=
neering and industry in Ireland.


Peg Hanrahan
MACSI Administrator
Department of Mathematics & Statistics
University of Limerick
Telephone: 353 61 213013
e-mail peg.hanrahan ul.ie


Peg Hanrahan
MACSI Administrator
Department of Mathematics & Statistics
University of Limerick
Telephone: 353 61 213013
e-mail peg.hanrahan ul.ie
[Description: Description: cid:image001.jpg 01CC09AD.723BB6D0][cid:03D117D6=
-BE41-4784-9A7D-A4A5604055F3]


--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F9335D371exMbx3ulcampus_
Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable











Content:


 


The department of Mat=
hematics and Statistics at the University of Limerick invites you to a semi=
nar by  Dr Kirk Soodhalter
 (Trinity College Dublin):


 


Title:<=
span style=3D"font-size:12.0pt;font-family:"Times New Roman",seri=
f;mso-fareast-language:EN-IE">  
Krylov Subspace Methods for large-scale computi=
ng and imagine reconstruction


 


Abstract:.
Krylov subspace methods are a powerful class of=
 iterative methods for sparse linear problems in which the operator may be =
available only through a procedure implementing its application.  In t=
his talk, we review the core mathematics
 underpinning the entire class of methods before pivoting to discuss some o=
f our recent work in this area, focusing on the analysis of Block Krylov Su=
bspace methods, augmented methods (a class of methods allowing one to use a=
 priori known data to drive the
 iteration, and methods for large-scale ill-posed problems.  For the l=
atter, we focus on solving ill-posed image reconstruction problems for whic=
h the exact convolution operator is not know (i.e., a blind deconvolution p=
roblem).  Numerical experiments will
 be used to demonstrate the potential for these methods in various applicat=
ions.


 


This seminar will take place
 on Friday 9th March , at 4 p.m, in  Room A2-002.


 


If you have any questions regarding th=
is seminar, please direct them to Iain Moyles (061
 233726, iain.moyles ul.ie).



A full list of upcoming seminars can b=
e found at
http://www.ulsites.ul.ie/macsi/=
node/48011


 


--------------------------------------=
--------------------------------------


Supported by Science Foundation Irelan=
d funding, MACSI - the Mathematics Applications
 Consortium for Science and Industry (www.macsi.ul=
.ie),
 centred at the University of Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.


 


 


Peg Ha=
nrahan

MACSI Administrator

Department of Mathematics & Statistics

University of Limerick

Telephone: 353 61 213013

e-mail peg.hanrahan ul.ie



 


 


Peg Hanrahan

MACSI Administrator

Department of Mathematics & Statistics

University of Limerick

Telephone: 353 61 213013

e-mail peg.h=
anrahan ul.ie



3D"Description:3D"cid:03D117D6-BE41-4784-9A7D-A4A5604055F3"=



 






--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F9335D371exMbx3ulcampus_--

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar  6 16:00:55 2018
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Date:         Tue, 6 Mar 2018 16:00:45 +0000
Reply-To:     Kirk Soodhalter 
Sender:       UCD Maths Department Distribution List 
From:         Kirk Soodhalter 
Subject: maths: Trinity College Computational Applied Mathematics Seminar seminar, 13. March at 2pm (SUBJECT LINE DATE CORRECTED)
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--Apple-Mail=_440371E7-F2D5-4F98-8253-3CC17EFC6508
Content-Transfer-Encoding: quoted-printable
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	charset=utf-8

Dear Colleagues,

This is a correction, as the subject line contained an incorrect date.=20=


This email is to announce the next seminar of 2018 in the Trinity =
College Computational Applied Mathematics Seminar, which will take place =
on Tuesday, 13. March at 2pm.

All are welcome.  Details of the seminar follow.

################################################

Speaker: Stefan G=C3=BCttel (The University of Manchester, England)
Time: Tuesday, 13. March at 2pm
Location: Seminar Room, House 20, Westland Row, Trinity College Dublin

Title: Restarted Arnoldi methods for matrix function approximation

Abstract:=20
The problem of computing of f(A)b, the action of a matrix function onto =
a vector b, arises in many areas of scientific computing, including the =
solution of linear systems of equations [f(z)=3D1/z], ordinary =
differential equations [f(z)=3Dexp(z)], or Dirichlet-to-Neumann maps =
[f(z)=3Dsqrt(z)]. In most applications the matrix A is large and sparse, =
and computing the generally dense matrix f(A) itself is infeasible.

Arnoldi=E2=80=99s method is a popular tool for approximating f(A)b, =
however its practical applicability is limited by the storage =
requirements of the Arnoldi basis. We will discuss a new restarting =
technique based on quadrature which removes this limitation and is more =
stable and efficient than previously proposed restarting techniques. The =
technique is applicable for a large class of functions f, Hermitian and =
non-Hermitian matrices A, and it requires no a-priori spectral =
information. We will also discuss some recent results on the error =
analysis of this method.

################################################

Sincerely,

Kirk Soodhalter

################################################
Kirk M. Soodhalter
Ussher Assistant Professor in Numerical Analysis
Trinity College Dublin
The University of Dublin
School of Mathematics=20
ksoodha maths.tcd.ie 
http://math.soodhalter.com
Phone: +353-1-896 8515
School Fax: +353-1-896 2282
Skype: ksoodha
################################################

title:: Restarted Arnoldi methods for matrix function approximation
content:: Stefan G=C3=BCttel (The University of Manchester, England) =
will discuss the calculation of the action of a matrix function, for =
large, sparse matrices.
:: This includes Krylov subspace-based methods and restarted methods =
which require less memory which have increased stability and efficiency
:: as compared to previously proposed restarted methods. The technique =
is applicable for a large class of functions f, Hermitian and =
non-Hermitian=20
:: matrices A, and it requires no a-priori spectral information. Recent =
results on the error analysis of this method will also be discussed.

date-time:: 13th March 2018 at 14:00=20
location:: Seminar Room, House 20, Westland Row, Trinity College Dublin
endevent::


--Apple-Mail=_440371E7-F2D5-4F98-8253-3CC17EFC6508
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	charset=utf-8


Dear Colleagues,

This is a correction, as the subject line =
contained an incorrect date. 

This email is to announce the next =
seminar of 2018 in the Trinity College Computational Applied Mathematics =
Seminar, which will take place on Tuesday, 13. March at 2pm.

All are welcome.  Details of the seminar =
follow.

################################################

Speaker: Stefan G=C3=BCttel (The University of =
Manchester, England)
Time: Tuesday, 13. March at 2pm
Location: Seminar Room, House 20, Westland Row, Trinity =
College Dublin

Title: Restarted Arnoldi methods for =
matrix function approximation

Abstract: 
The problem of computing of f(A)b, the action of a matrix function onto a vector b, =
arises in many areas of scientific computing, including the solution of =
linear systems of equations [f(z)=3D1/z], ordinary differential =
equations [f(z)=3Dexp(z)], or Dirichlet-to-Neumann maps [f(z)=3Dsqrt(z)]. =
In most applications the matrix A is large and sparse, and computing the =
generally dense matrix f(A) itself is infeasible.

Arnoldi=E2=80=99s method is a popular tool for approximating =
f(A)b, however its practical applicability is limited by the storage =
requirements of the Arnoldi basis. We will discuss a new restarting =
technique based on quadrature which removes this limitation and is more =
stable and efficient than previously proposed restarting techniques. The =
technique is applicable for a large class of functions f, Hermitian and =
non-Hermitian matrices A, and it requires no a-priori spectral =
information. We will also discuss some recent results on the error =
analysis of this method.

################################################

Sincerely,

Kirk =
Soodhalter

################################################
Kirk M. Soodhalter
Ussher Assistant Professor =
in Numerical Analysis
Trinity College Dublin
The University of Dublin
School of Mathematics =

ksoodha maths.tcd.ie
http://math.soodhalter.com
Phone: =
+353-1-896 8515
School Fax: +353-1-896 2282
Skype: ksoodha
################################################

title:: Restarted Arnoldi methods for matrix function =
approximation
content:: Stefan =
G=C3=BCttel (The University of Manchester, England) will discuss =
the calculation of the action of a matrix function, for large, sparse =
matrices.
:: This includes Krylov subspace-based methods =
and restarted methods which require less memory which have increased =
stability and efficiency
:: as compared to previously =
proposed restarted methods. The technique is applicable for a large class of functions f, =
Hermitian and non-Hermitian 
:: matrices A, =
and it requires no a-priori spectral information. Recent results on the =
error analysis of this method will also be discussed.

date-time:: 13th March 2018 at 14:00 
location:: Seminar Room, House 20, Westland Row, Trinity =
College Dublin
endevent::

=

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Date:         Tue, 6 Mar 2018 23:22:50 +0000
Reply-To:     sint maths.tcd.ie
Sender:       UCD Maths Department Distribution List 
From:         Stefan Sint 
Subject: maths: Dublin Theoretical Physics Colloquium
To:           MATHDEP LISTSERV.HEANET.IE
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Reminder:

Dublin Theoretical Physics Colloquium

Date & Time:  Wednesday, 7th March 2018 at 4:00 pm

Venue: Synge Lecture Theatre, Hamilton building, Trinity College Dublin

Speaker: Aleksi Kurkela (CERN)

Title: What do neutron stars teach us about QCD?

Abstract:
The structure of neutron stars is determined by a competition between 
gravity and the pressure of strong interactions, and as such neutron 
stars provide a unique macroscopic laboratory for QCD. The progress in 
the observational side is very fast: masses of over 30 neutron stars 
have been measured precisely, and the estimates of radii are getting 
increasingly accurate. The recent detection of gravitational waves 
originating from a merger of two neutron stars has opened a completely 
new window to neutron star structure. In my talk, I will describe how we 
can use first principles calculations
in QCD to gain understanding of the structure of neutron stars, and how 
the astrophysical observations of neutron stars can help us understand 
the properties of QCD in conditions where no first principles 
calculations are available.


All are welcome!

=====================
Future speakers:
21st March: Pietro Longhi
=====================

https://docs.google.com/document/d/19tE1zcbMU8fkHQR_58icn0vjnE03by1SINCFAT3E5ao/edit?usp=sharing


title:: Dublin Theoretical Physics Colloquium
content:: Aleksi Kurkela (CERN) will speak on
:: What do neutron stars teach us about QCD?
date-time::  Wednesday the 7th of March at 16:00pm
location:: Synge Lecture Theatre, School of Mathematics, Trinity College 
Dublin
endevent::


-
-------------------------
Stefan Sint
School of Mathematics
Trinity College Dublin
Dublin 2
Ireland
phone: +353 896 8559
email: sint maths.tcd.ie
-------------------------

For more about the MATHDEP list access http://maths.ucd.ie/mathdep
To change your mathdep preference, access https://maths.ucd.ie/mathdepchange

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar  7 11:08:43 2018
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Date:         Wed, 7 Mar 2018 11:08:29 +0000
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From:         John Butler <200714 DIT.IE>
Subject: maths: DIT Mathematical Sciences Seminar, Friday 8th March 2018
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DIT Mathematical Sciences Seminar

-------------------------------------------
Title: A Numerical Study on In-plane Wave Propagation in Mooring Cables
Speaker: Biswajit Basu (Trinity College Dublin)

Date and time: 2:15pm, Friday 8th March 2018

Venue: Blue Room, 4th floor, Main Building, DIT Kevin Street

Abstract:
This talk focuses on wave propagation in the mooring cables. For cables in
ocean applications, there are three sources of nonlinearities affecting the
cable response, the hydrodynamic effect, geometric stiffening effect, and
seabed effect. To this end, numerical solutions are pursued, where the
partial differential equations describing the dynamics of the submerged
mooring cable are formulated in Lagrangian coordinate and further solved
using space-time finite difference method. Specifically, a two-dimensional
cable is considered and the wave propagation is studied when the cable is
subjected harmonic excitation at the fairlead. The wave propagation with
seabed effects is also compared to that in a fully suspended cable. The
nonlinear mechanisms governing the propagation of waves are discussed based
on the numerical results. Further, some results on hydrodynamic analysis
using Lagrangian based smooth particle hydrodynamics (SPH) are presented.
Comparisons are made with some recent results and the impact of nonlinear
hydrodynamics on offshore applications is emphasized.


--=20

Dr John S Butler

Lecturer | School of Mathematical Sciences | Dublin Institute of Technology
| Kevin Street | Dublin 8 | Ireland

L=C3=A9acht=C3=B3ir | Scoil na nEola=C3=ADochta=C3=AD Matamaitici=C3=BAla |=
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Teicneola=C3=ADochta Bhaile =C3=81tha Cliath | Sr=C3=A1id Chaoimh=C3=ADn | =
Baile =C3=81tha Cliath 8
| =C3=89ire

www.dit.ie | www.maths.dit.ie | www.maths.dit.ie/~johnbutler

Google Scholar Profile
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ch
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DIT Mathematical Sciences=C2=A0Semi=
nar
-----------------------=
--------------------


Title:=C2=A0A Numerical Study on In-plane Wave Propagation in Mooring Cable=
s
Speaker:=C2=A0Biswajit Basu (Trinity College Dublin)




=

Date and time: 2:15=
pm, Friday 8th March 2018

Venue: Blue Room, 4th floor, Main Building, DIT Kevin Stre=
et

Abstract:
This talk focuses on wave propagation in the mooring cable=
s. For cables in ocean applications, there are three sources of nonlinearit=
ies affecting the cable response, the hydrodynamic effect, geometric stiffe=
ning effect, and seabed effect. To this end, numerical solutions are pursue=
d, where the partial differential equations describing the dynamics of the =
submerged mooring cable are formulated in Lagrangian coordinate and further=
 solved using space-time finite difference method. Specifically, a two-dime=
nsional cable is considered and the wave propagation is studied when the ca=
ble is subjected harmonic excitation at the fairlead. The wave propagation =
with seabed effects is also compared to that in a fully suspended cable. Th=
e nonlinear mechanisms governing the propagation of waves are discussed bas=
ed on the numerical results. Further, some results on hydrodynamic analysis=
 using Lagrangian based smooth particle hydrodynamics (SPH) are presented. =
Comparisons are made with some recent results and the impact of nonlinear h=
ydrodynamics on offshore applications is emphasized.=C2=A0




-- 
Dr John=
 S Butler
Lecturer | School of Ma=
thematical Sciences | Dublin Institute of Technology | Kevin Street | Dubli=
n 8 | Ireland
=
L=C3=A9acht=
=C3=B3ir=C2=A0| Scoil na nEola=C3=ADochta=C3=AD Matamaitici=C3=BAla=
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d Chaoimh=C3=ADn | Baile =C3=81tha Cliath 8 | =C3=89ire
www.di=
t.ie=C2=A0|=C2=A0www.maths.dit.ie=C2=A0|=C2=A0www.maths.dit.ie/~johnbutler=

Google Scholar Profile=C2=A0|=
=C2=A0Research Gate=
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From owner-mathdep LISTSERV.HEANET.IE  Wed Mar  7 11:39:33 2018
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Date:         Wed, 7 Mar 2018 11:39:15 +0000
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UCD Algebra and Number Theory Seminar (please note the special time, date and location)

Speaker: Carlos Moreno (CUNY)

Title: Number of solutions of algebraic equations over finite fields

Abstract: The Chevalley-Warning Theorem states that a (homogeneous) polynomial equation in n variables of degree d has solutions over any finite field if d < n. This result has had important applications in many branches of mathematics, most notably in logic (Ax-Kochen Theorem), in number theory (p-adic solutions) and Error Correcting Codes. In this survey talk, we will highlight some of the main tools and improvements and describe some problems that examine the validity of the result when n=d.

Date: Monday, March 12, 2018
Time: 12pm
Location: Science North, room N1.25

title:: UCD Algebra and Number Theory Seminar
content:: Carlos Moreno (CUNY) will speak on
:: Number of solutions of algebraic equations over finite fields
date-time:: Monday, March 12, 2018 at 12pm
location:: Science North, room N1.25
endevent::

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Date:         Thu, 8 Mar 2018 08:44:22 +0000
Reply-To:     John Butler <200714 DIT.IE>
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From:         John Butler <200714 DIT.IE>
Subject: maths: DIT Mathematical Sciences Seminar, Friday 9th March 2018
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Apologies I stated the wrong date, the talk will be on Friday the 9th of Ma=
rch at 2.15

> On 7 Mar 2018, at 11:08, John Butler <200714 dit.ie> wrote:
>=20
> DIT Mathematical Sciences Seminar
> -------------------------------------------
> Title: A Numerical Study on In-plane Wave Propagation in Mooring Cables
> Speaker: Biswajit Basu (Trinity College Dublin)
>=20
> Date and time: 2:15pm, Friday 8th March 2018
>=20
> Venue: Blue Room, 4th floor, Main Building, DIT Kevin Street
>=20
> Abstract:
> This talk focuses on wave propagation in the mooring cables. For cables i=
n ocean applications, there are three sources of nonlinearities affecting t=
he cable response, the hydrodynamic effect, geometric stiffening effect, an=
d seabed effect. To this end, numerical solutions are pursued, where the pa=
rtial differential equations describing the dynamics of the submerged moori=
ng cable are formulated in Lagrangian coordinate and further solved using s=
pace-time finite difference method. Specifically, a two-dimensional cable i=
s considered and the wave propagation is studied when the cable is subjecte=
d harmonic excitation at the fairlead. The wave propagation with seabed eff=
ects is also compared to that in a fully suspended cable. The nonlinear mec=
hanisms governing the propagation of waves are discussed based on the numer=
ical results. Further, some results on hydrodynamic analysis using Lagrangi=
an based smooth particle hydrodynamics (SPH) are presented. Comparisons are=
 made with some recent results and the impact of nonlinear hydrodynamics on=
 offshore applications is emphasized.=20
>=20
>=20
> --=20
> Dr John S Butler
> Lecturer | School of Mathematical Sciences | Dublin Institute of Technolo=
gy | Kevin Street | Dublin 8 | Ireland
> L=C3=A9acht=C3=B3ir | Scoil na nEola=C3=ADochta=C3=AD Matamaitici=C3=BAla=
 | Institi=C3=BAid Teicneola=C3=ADochta Bhaile =C3=81tha Cliath | Sr=C3=A1i=
d Chaoimh=C3=ADn | Baile =C3=81tha Cliath 8 | =C3=89ire
> www.dit.ie | www.maths.dit.ie | www.maths.dit.ie/~johnbutler
> Google Scholar Profile | Research Gate Profile
>=20

--=20


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T=C3=A1 ITB=C3=81C ag aistri=C3=BA go Gr=C3=A1inseach Ghorm=C3=A1in =E2=80=
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Apologies I stated the =
wrong date, the talk will be on Friday the 9th of March at 2.15
<=
br>On 7 Mar 2018, at 11:08, John Butler <
=




DIT Mathematical Sciences Semi=
nar
-----------------------=
--------------------


Title: A Numerical Study on In-plane Wave Propagation in Mooring Cable=
s
Speaker: Biswajit Basu (Trinity College Dublin)




=

Date and time: 2:15=
pm, Friday 8th March 2018

Venue: Blue Room, 4th floor, Main Building, DIT Kevin Stre=
et

Abstract:
This talk focuses on wave propagation in the mooring cable=
s. For cables in ocean applications, there are three sources of nonlinearit=
ies affecting the cable response, the hydrodynamic effect, geometric stiffe=
ning effect, and seabed effect. To this end, numerical solutions are pursue=
d, where the partial differential equations describing the dynamics of the =
submerged mooring cable are formulated in Lagrangian coordinate and further=
 solved using space-time finite difference method. Specifically, a two-dime=
nsional cable is considered and the wave propagation is studied when the ca=
ble is subjected harmonic excitation at the fairlead. The wave propagation =
with seabed effects is also compared to that in a fully suspended cable. Th=
e nonlinear mechanisms governing the propagation of waves are discussed bas=
ed on the numerical results. Further, some results on hydrodynamic analysis=
 using Lagrangian based smooth particle hydrodynamics (SPH) are presented. =
Comparisons are made with some recent results and the impact of nonlinear h=
ydrodynamics on offshore applications is emphasized. 




-- 








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Date:         Thu, 8 Mar 2018 11:07:17 +0000
Reply-To:     Ivan Todorov 
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From:         Ivan Todorov 
Subject: maths: LMS Meeting in honour of Maryam Mirzakhani - 22 March; Warwick
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> Begin forwarded message:
>=20
> From: Elizabeth Fisher 
> Subject: LMS Meeting in honour of Maryam Mirzakhani - 22 March; =
Warwick
> Date: 8 March 2018 at 10:53:25 GMT
> To: 
> Reply-To: Elizabeth Fisher 
>=20
> Dear All
> =20
> The LMS is pleased to announce that a Society Meeting in Honour of =
Maryam Mirzakhani will be held on 22 March at the University of Warwick =
and we would be grateful if you pass on the notice below to friends and =
colleagues who may wish to attend.=20
> =20
> Society Meeting in Honour of Maryam Mirzakhani
> =20
> University of Warwick, Thursday, 22 March, 2018, 2.00pm start.
> =20
> The meeting commemorates the work of Professor Maryam Mirzakhani (1977 =
=E2=80=93 2017), Fields Medallist and LMS Honorary Member. The meeting =
forms part of the 2017-2018 Warwick EPSRC Symposium workshop on =
Teichm=C3=BCller Dynamics from 19-23 March.
> =20
> Programme
> =20
> 2.00pm Opening of the meeting
> =20
> 2.15pm Alex Wright (Stanford) Mirzakhani's computation of =
Weil-Petersson volumes and intersection numbers
> =20
> Abstract: We will reproduce Mirzakhani's remarkable computation of the =
Weil-Petersson volume in the simplest example of the moduli space of =
genus 1, once punctured Riemann surfaces, and discuss how Mirzakhani =
generalized the techniques to determine the volume of all moduli spaces =
of Riemann surfaces.Then we will discuss Mirzakhani's proof of Witten's =
Conjecture concerning intersection numbers of tautological classes on =
moduli spaces of Riemann surfaces. We will emphasize definitions, =
examples, and the connection that Mirzakhani established to =
Weil-Petersson volumes.
> 3.30pm Tea & coffee break
> =20
> 4.00pm Anton Zorich (Paris) Mirzakhani's count of simple closed =
geodesics
> =20
> Abstract: We will try to give an outline of Mirzakhani's count of =
simple closed geodesics of bounded length on a hyperbolic surface with =
cusps.
> We shall start with basic facts about simple closed geodesics and =
about moduli spaces of hyperbolic surfaces to make the exposition =
self-contained. We shall use McShane's identity to give an idea of how =
Mirzakhani computes integrals over moduli space, in particular, how she =
counts the average number of simple closed geodesics of bounded length.
> We shall proceed with more detailed consideration of simple closed =
curves on a four-punctured sphere which would lead us to the notion of =
the space of measured geodesic laminations and of Thurston measure in =
this particularly simple case. Using these notions we shall state (and =
even give an idea of the proof) of Mirzakhani's particularly beautiful =
result: the asymptotic frequencies of simple closed geodesics of =
different topological types do not depend on the hyperbolic metric and =
are explicitly computable.
> We will finish with an announcement of the result showing that =
"random" simple closed hyperbolic geodesics have the same asymptotic =
frequencies as the corresponding "random" simple closed flat geodesics =
(under appropriate interpretation of "randomness=E2=80=9D).
> 5.00pm Wine reception
> 6.30pm Dinner at the Mathematics Institute
> =20
> Registration: Please register for your place here =

> =20
> Best wishes
> Elizabeth
> ****************************************************
> Elizabeth Fisher=20
> Membership & Engagement Officer=20
> London Mathematical Society=20
> De Morgan House=20
> 57-58 Russell Square=20
> London WC1B 4HS=20
> United Kingdom
> T +44 (0)20 7291 9973 (direct)=20
> T +44 (0)20 7637 3686 (main)=20
> F +44 (0)20 7323 3655=20
> W: www.lms.ac.uk =20
> E: elizabeth.fisher lms.ac.uk ;
> Twitter:  LondMathSoc
> The London Mathematical Society is a Registered Charity, no. 252660.
> ******************************************************
> =20


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Begin forwarded message:

From: =
Elizabeth Fisher <Elizabeth.Fisher lms.ac.uk>
Subject: =
LMS Meeting in =
honour of Maryam Mirzakhani - 22 March; Warwick
Date: =
8 March 2018 at 10:53:25 GMT
To: =
<MATHSHEADS jiscmail.ac.uk>
Reply-To: =
Elizabeth Fisher <Elizabeth.Fisher lms.ac.uk>

Dear All
 
The LMS is pleased to announce that a Society Meeting in =
Honour of Maryam Mirzakhani will be held on 22 March at the University =
of Warwick and we would be grateful if you pass on the notice below to =
friends and colleagues who may wish to attend. 
 
Society Meeting in Honour of =
Maryam Mirzakhani
 
University of Warwick, Thursday, 22 March, 2018, 2.00pm =
start.
 
The meeting commemorates the work of Professor Maryam =
Mirzakhani (1977 =E2=80=93 2017), Fields Medallist and LMS Honorary =
Member. The meeting forms part of the 2017-2018 Warwick EPSRC Symposium =
workshop on Teichm=C3=BCller Dynamics from 19-23 March.
 
Programme
 
2.00pm Opening of the meeting
 
2.15pm Alex Wright (Stanford) Mirzakhani's computation of Weil-Petersson volumes and =
intersection numbers
 
Abstract: We will reproduce =
Mirzakhani's remarkable computation of the Weil-Petersson volume in the =
simplest example of the moduli space of genus 1, once punctured Riemann =
surfaces, and discuss how Mirzakhani generalized the techniques to =
determine the volume of all moduli spaces of Riemann surfaces.Then we =
will discuss Mirzakhani's proof of Witten's Conjecture concerning =
intersection numbers of tautological classes on moduli spaces of Riemann =
surfaces. We will emphasize definitions, examples, and the connection =
that Mirzakhani established to Weil-Petersson volumes.
3.30pm Tea & =
coffee break
 
4.00pm Anton Zorich (Paris) Mirzakhani's =
count of simple closed geodesics
 
Abstract: We =
will try to give an outline of Mirzakhani's count of simple closed =
geodesics of bounded length on a hyperbolic surface with cusps.
We shall =
start with basic facts about simple closed geodesics and about moduli =
spaces of hyperbolic surfaces to make the exposition self-contained. We =
shall use McShane's identity to give an idea of how Mirzakhani computes =
integrals over moduli space, in particular, how she counts the average =
number of simple closed geodesics of bounded length.
We shall =
proceed with more detailed consideration of simple closed curves on a =
four-punctured sphere which would lead us to the notion of the space of =
measured geodesic laminations and of Thurston measure in this =
particularly simple case. Using these notions we shall state (and even =
give an idea of the proof) of Mirzakhani's particularly beautiful =
result: the asymptotic frequencies of simple closed geodesics of =
different topological types do not depend on the hyperbolic metric and =
are explicitly computable.
We will finish with an announcement of =
the result showing that "random" simple closed hyperbolic geodesics have =
the same asymptotic frequencies as the corresponding "random" simple =
closed flat geodesics (under appropriate interpretation of =
"randomness=E2=80=9D).
5.00pm =
Wine reception
6.30pm Dinner at the Mathematics Institute
 
Registration: Please register for your place here
 
Best wishes
Elizabeth
****************************************************
Elizabeth =
Fisher 
Membership & =
Engagement Officer 
London Mathematical =
Society 
De Morgan =
House 
57-58 Russell =
Square 
London WC1B =
4HS 
United =
Kingdom
T +44 (0)20 7291 9973 =
(direct) 
T +44 (0)20 7637 3686 =
(main) 
F +44 (0)20 7323 =
3655 
W: www.lms.ac.uk 
E: elizabeth.fisher lms.ac.uk;
Twitter: =
 LondMathSoc
The =
London Mathematical Society is a Registered Charity, no. =
252660.
******************************************************
 
3D"cmyk"

=

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From owner-mathdep LISTSERV.HEANET.IE  Thu Mar  8 18:32:00 2018
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Date:         Thu, 8 Mar 2018 18:31:46 +0000
Reply-To:     Ivan Todorov 
Sender:       UCD Maths Department Distribution List 
From:         Ivan Todorov 
Subject: maths: Preservers: Modern Aspects and New Directions
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A message from Ying-Fen Lin (QUB):

=
**************************************************************************=
***********************
=20
"Preservers: Modern Aspects and New Directions=E2=80=9D --- First =
Announcement
=20
=20
A conference entitled "Preservers: Modern Aspects and New Directions" =
(MAP) will be held at Queen's University Belfast between 18-21 June =
2018. The aim of this meeting is to present some of the most recent =
applications and links of the field of Preservers with other scientific =
areas at a comprehensive level. Further information can be found on the =
conference website:=20
=20
https://sites.google.com/site/nipreservers/ =

=20
Support for UK based research students is available. For any queries, =
please contact the Organiser, Ying-Fen Lin, at y.lin qub.ac.uk =
=

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A message from Ying-Fen Lin (QUB):

***************************************************************=
**********************************
 
"Preservers: Modern Aspects and New Directions=E2=80=9D =
--- First Announcement
 
 
A conference entitled "Preservers: =
Modern Aspects and New Directions" (MAP) will be held at Queen's =
University Belfast between 18-21 June 2018. The aim of this meeting is =
to present some of the most recent applications and links of the field =
of Preservers with other scientific areas at a comprehensive level. =
Further information can be found on the =
conference website: 
 
https://sites.google.com/site/nipreservers/
 
Support for UK based research students is available. For any =
queries, please contact the Organiser, Ying-Fen Lin, at y.lin qub.ac.uk
=

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From owner-mathdep LISTSERV.HEANET.IE  Thu Mar  8 18:47:07 2018
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Reply-To:     Fabio Deelan Cunden 
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From:         Fabio Deelan Cunden 
Subject: maths: UCD Probability Seminar
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UCD Probability Seminar

Speaker:   Antoine Dahlqvist (UCD)

Title:   The two dimensional Yang-Mills measure and its large N limit

Date:    Wednesday, 14th March 2018

Time:    2pm

Location:    UCD, 125 Science North (JK Lab)

Abstract:  The Yang-Mills measure is a model of mathematical physics =
that stems from the physics of the standard model, describing the =
interactions between elementary particles. We shall explain how it gives =
raise to random matrix models in two dimensions that are very closely =
related to the Brownian motion on compact Lie groups. Given a surface, =
playing the role of space-time, and a compact Lie group, associated to =
the type of interaction, it is the data of a random mapping that sends =
any path to a matrix of the group in a multiplicative way. =46rom the =
pioneering work of G. t=E2=80=99Hooft, it was conjectured  in the =
physics literature that these models simplify when, the surface being =
kept fixed,  the dimension of  the group goes to infinity. We shall see =
that they display different behaviors in regards of the choice of =
surface and how they can be analysed thanks to  differential equations =
involving deformations of loops, known as Makeenko-Migdal equations.


All are welcome.

Best wishes,
Fabio

%%%%%%%%%%

Upcoming seminars:=20
https://www.ucd.ie/mathstat/research/seminars/probabilityseminars1718/ =
=20=

http://www.maths.ucd.ie/~noconnell/seminars1718.html =


%%%%%%%%%%


title:: UCD Probability Seminar
content:: Antoine Dahlqvist (UCD) will speak on
:: The two dimensional Yang-Mills measure and its large N limit
date-time::   Wednesday, 14th March 2018 at 2:00pm
location:: UCD, 125 Science North (JK Lab)
endevent::=

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	charset=utf-8


UCD Probability Seminar

Speaker:   Antoine Dahlqvist (UCD)

Title:   The two dimensional =
Yang-Mills measure and its large N limit

Date:    Wednesday, 14th March 2018

Time:    2pm

Location:    UCD, 125 Science North (JK =
Lab)

Abstract:  The Yang-Mills measure =
is a model of mathematical physics that stems from the physics of the =
standard model, describing the interactions between elementary =
particles. We shall explain how it gives raise to random matrix models =
in two dimensions that are very closely related to the Brownian motion =
on compact Lie groups. Given a surface, playing the role of space-time, =
and a compact Lie group, associated to the type of interaction, it is =
the data of a random mapping that sends any path to a matrix of the =
group in a multiplicative way. =46rom the pioneering work of G. =
t=E2=80=99Hooft, it was conjectured  in the physics literature that =
these models simplify when, the surface being kept fixed,  the =
dimension of  the group goes to infinity. We shall see that they =
display different behaviors in regards of the choice of surface and how =
they can be analysed thanks to  differential equations involving =
deformations of loops, known as Makeenko-Migdal equations.


All are welcome.

Best wishes,
Fabio

%%%%%%%%%%

Upcoming =
seminars: 
https://www.ucd.ie/mathstat/research/seminars/probabilitysemina=
rs1718/ 
http://www.maths.ucd.ie/~noconnell/seminars1718.html
<=
div class=3D"">
%%%%%%%%%%


title:: UCD Probability =
Seminar
content:: Antoine Dahlqvist (UCD) will =
speak on
:: The two dimensional Yang-Mills measure =
and its large N limit
date-time::   Wednesday, =
14th March 2018 at 2:00pm
location:: UCD, 125 Science =
North (JK Lab)
endevent::
=

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From owner-mathdep LISTSERV.HEANET.IE  Fri Mar  9 12:04:14 2018
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Date:         Fri, 9 Mar 2018 12:03:54 +0000
Reply-To:     "Richard M. Timoney" 
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From:         "Richard M. Timoney" 
Subject: maths: Analysis seminar 13/3  4
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                    ANALYSIS SEMINAR

** Note: Time now 4pm not 3pm as previously announced. **

Tuesday 13th March, 2018  at 4.00pm  (place: UCD  Science North 125 )

Speaker: S. Gardiner 
Title: Universal Fourier and Taylor series 

Abstract
It has long been known that there exist trigonometric series, the
partial sums of which possess universal approximation properties on
the unit circle. It turns out that, for most smooth functions
on the unit circle, the partial sums of the associated Fourier series,
when extended to the plane, have universal approximation properties
off the circle. There are also related results for pairs of Taylor
and Laurent series arising from functions that are holomorphic off a
Jordan curve. (This is joint work with Vassili Nestoridis and Christos Papadimitropoulos.) 


______________________________
C. Boyd , R. Timoney .

webpage:
http://www.maths.tcd.ie/~richardt/analysis/



Lines for mathdep web calendar entry:

title:: ANALYSIS SEMINAR
content:: S. Gardiner  will speak on
::  Universal Fourier and Taylor series 
date-time:: Tuesday 13th March, 2018  at 4.00pm 
location:: UCD  Science North 125 
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Fri Mar  9 19:23:45 2018
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Date:         Fri, 9 Mar 2018 19:23:29 +0000
Reply-To:     Fabio Deelan Cunden 
Sender:       UCD Maths Department Distribution List 
From:         Fabio Deelan Cunden 
Subject: maths: One-day workshop `Random Matrices and Integrable Systems' at UCD 23rd of May 2018
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Dear colleagues,

There will be a one-day workshop `Random Matrices and Integrable =
Systems=E2=80=99, at University College Dublin, Wednesday May 23, 2018.

Invited speakers include Gernot Akemann (Bielefeld), Tamara Grava =
(Sissa/Bristol), Francesco Mezzadri (Bristol), Pierpaolo Vivo (London), =
Oleg Zaboronski (Warwick).

The workshop will take place in the lecture room 128 Science North.

There is no registration fee.  Coffee/tea and lunch will be provided. =20=


To help with planning/catering, please register your attendance by April =
20, by email to fabio.cunden ucd.ie  .

Further details will be provided, in due course, on the workshop web =
page

https://maths.ucd.ie/~noconnell/rmit18/main.html =


With best wishes, on behalf of the organisers,

Fabio Deelan Cunden
Neil O=E2=80=99Connell



title:: One-day workshop Random Matrices and Integrable Systems
content:: G. Akemann (Bielefeld), T. Grava (Sissa/Bristol), F. Mezzadri =
(Bristol), P. Vivo (London), O. Zaboronski (Warwick)
:: Random Matrices and Integrable Systems
date-time::   Wednesday, 23rd May 2018
location:: UCD, lecture room 128 Science North
endevent::=

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Dear colleagues,

There =
will be a one-day workshop `Random Matrices and Integrable Systems=E2=80=99=
, at University College Dublin, Wednesday May 23, 2018.

Invited speakers include Gernot Akemann =
(Bielefeld), Tamara Grava (Sissa/Bristol), Francesco Mezzadri (Bristol), =
Pierpaolo Vivo (London), Oleg Zaboronski (Warwick).

The workshop will take =
place in the lecture room 128 Science North.

There is no registration fee.  Coffee/tea and lunch will =
be provided.  

To help with planning/catering, please register your =
attendance by April 20, by email to fabio.cunden ucd.ie .

Further details will be provided, in due course, on the =
workshop web page

https://maths.ucd.ie/~noconnell/rmit18/main.html

With best wishes, on behalf of =
the organisers,

Fabio Deelan Cunden
Neil O=E2=80=99Connell



title:: One-day workshop Random =
Matrices and Integrable Systems
content:: G. Akemann =
(Bielefeld), T. Grava (Sissa/Bristol), F. Mezzadri (Bristol), P. =
Vivo (London), O. Zaboronski (Warwick)
:: Random =
Matrices and Integrable Systems
date-time:: =
  Wednesday, 23rd May 2018
location:: =
UCD, lecture room 128 Science North
endevent::
=

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From owner-mathdep LISTSERV.HEANET.IE  Thu Mar  8 08:22:53 2018
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Date:         Thu, 8 Mar 2018 08:22:25 +0000
Reply-To:     Leron Borsten 
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From:         Leron Borsten 
Subject: DIAS Theoretical Physics Seminar, 15th March
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DIAS THEORETICAL PHYSICS SEMINAR

Time: Thursday, 15th March 2018, 2:30 pm

Speaker: Andrei Parnachev (TCD)

Title: Einstein gravity from conformal field theory

Abstract: We will analyse the Regge limit of certain four point =
functions in CFTs
and will argue that holographic CFTs must be described by the Einstein =
gravity.

Place: Lecture Room, 1st Floor, School of Theoretical Physics, DIAS, 10 =
Burlington Road, Dublin 4
All welcome!
&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
title:: DIAS Theoretical Physics Seminar
content:: Andrei Parnachev (TCD)
:: Einstein gravity from conformal field theory
date-time:: 15 March 2018 at 2:30 pm
location:: School of Theoretical Physics, DIAS. 10 Burlington Road, D.4.
endevent::



















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DIAS =
THEORETICAL PHYSICS SEMINAR


      
Time: =
Thursday, 15th March 2018, 2:30 pm


      Speaker: Andrei =
Parnachev (TCD)

        

        Title: Einstein gravity from conformal field =
theory

Abstract: We will analyse the Regge limit of =
certain four point functions in CFTs
and will argue that holographic CFTs =
must be described by the Einstein gravity.

          
Place: Lecture Room, 1st Floor, School of =
Theoretical Physics, DIAS, 10 Burlington Road, Dublin 4

          
All welcome!
&&&&&&&&&&&=
&&&&&&&&&&&&&&&=
;&&&&&&&&&&&&&&&am=
p;&&&&&&&&&&&&&=

title:: DIAS Theoretical Physics Seminar
content:: Andrei =
Parnachev (TCD)
:: Einstein gravity from conformal field =
theory
date-time:: 15 March 2018 at 2:30 pm
location:: School of Theoretical Physics, DIAS. 10 Burlington =
Road, D.4.
endevent::



















=

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From owner-mathdep LISTSERV.HEANET.IE  Thu Mar  8 10:55:32 2018
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Message-ID:  
Date:         Thu, 8 Mar 2018 10:46:15 +0000
Reply-To:     Martin Mathieu 
Sender:       UCD Maths Department Distribution List 
From:         Martin Mathieu 
Subject: 50th Anniversary meeting of the North British Functional Analysis Seminar
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The next meeting of the North British Functional Analysis Seminar (NBFAS) i=
s the 50th anniversary meeting in Edinburgh on 12-14 April 2014.
All information, including deadlines (!), can be found at

http://www.icms.org.uk/NBFAS2018.php

Please note in particular the financial support that is available for PhD s=
tudents; we encourage many of them to come!

There will also be a committee meeting on Thursday 12 April at 6pm so we ho=
pe that many of the committee members will be present as there are election=
s of officers.

Best wishes,

Martin Mathieu
NBFAS Secretary


---------------------------------------------------------------------------=
------
Dr Martin Mathieu, MRIA
Mathematical Sciences Research Centre
School of Mathematics and Physics
Queen's University Belfast
Belfast BT7 1NN
Northern Ireland

E-mail m.m qub.ac.uk
URL http://maths.martinmathieu.net
Tel +44 28 9097 1321
Fax +44 28 9097 1541
Mob +44 7976 758908


--_000_D5256895D8C44547AA7FD1339E946994E00CB650EX2K10MBX7adsqu_
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The next meeting of the North British Functional Analysis Seminar (NBF=
AS) is the 50th anniversary meeting in Edinburgh on 12-14 April =
2014.


All information, including deadlines (!), can be found at


 


http://www.icms.org.u=
k/NBFAS2018.php


 


Please note in particular the financial support that is available for =
PhD students; we encourage many of them to come!


 


There will also be a committee meeting on Thursday 12 April at 6pm so =
we hope that many of the committee members will be present as there are ele=
ctions of officers.


 


Best wishes,


 


Martin Mathieu


NBFAS Secretary


 


 


--------------------------=
-------------------------------------------------------

Dr Martin Mathieu, MRIA


Mathematical Sciences Rese=
arch Centre


School of Mathematics and =
Physics


Queen’s University B=
elfast


Belfast BT7 1NN=



Northern Ireland


 

E-mail
m.m qub.ac.uk


URL
http://maths.martinmathieu.net


Tel +44 28 9097 1321


Fax +44 28 9097 1541


Mob +44 7976 758908


 






--_000_D5256895D8C44547AA7FD1339E946994E00CB650EX2K10MBX7adsqu_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 12 22:46:30 2018
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Reply-To:     Brendan Murphy 
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From:         Brendan Murphy 
Subject: Positions in UCD School of Mathematics and Statistics
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Dear All,

We currently have two lecturing positions advertised in the UCD School of Mathematics & Statistics. 

- Lectureship in Mathematics (BDIC) (3 year position)
- Lectureship in Statistics and Applied Mathematics (3 year position)

Details of these positions can be found at http://www.ucd.ie/workatucd by following the Jobs link. 

Regards,

Brendan

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Subject: DIAS Theoretical Physics Seminar, 20th March
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DIAS THEORETICAL PHYSICS SEMINAR

Time: Tuesday, 20th March 2018, 2:30 pm

Speaker: Charles Nash (NUI Maynooth)

Title: =46rom Hilbert's 16th problem to physics

Abstract: We shall describe a link between Hilbert's sixteenth problem =
(part (i)) concerning real algebraic curves and condensed matter =
physics.=20
The central result is some work of Kenyon and Okounkov (2006).=20
The physics involves so called dimer problems for periodic bipartite and =
non-bipartite graphs.
A differential geometric approach will be introduced to help clarify =
matters.=20
It transpires that real K-theory underlies the systems studied.

Place: Lecture Room, 1st Floor, School of Theoretical Physics, DIAS, 10 =
Burlington Road, Dublin 4
All welcome!
&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
title:: DIAS Theoretical Physics Seminar
content:: Charles Nash (NUI Maynooth)
:: =46rom Hilbert's 16th problem to physics
date-time:: 20 March 2018 at 2:30 pm
location:: School of Theoretical Physics, DIAS. 10 Burlington Road, D.4.
endevent::




















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DIAS =
THEORETICAL PHYSICS SEMINAR


      
Time: =
Tuesday, 20th March 2018, 2:30 pm


      Speaker: Charles =
Nash (NUI Maynooth)

        

        Title: =46rom Hilbert's 16th problem to =
physics

Abstract: We shall describe a link between =
Hilbert's sixteenth problem (part (i)) concerning real =
algebraic curves and condensed matter =
physics. 
The central result is some work of =
Kenyon and Okounkov (2006). 
The physics =
involves so called dimer problems for periodic bipartite and =
non-bipartite graphs.
A differential =
geometric approach will be introduced to help clarify =
matters. 
It transpires that real K-theory =
underlies the systems studied.

          
Place: Lecture Room, 1st Floor, School of =
Theoretical Physics, DIAS, 10 Burlington Road, Dublin 4

          
All welcome!
&&&&&&&&&&&=
&&&&&&&&&&&&&&&=
;&&&&&&&&&&&&&&&am=
p;&&&&&&&&&&&&&=

title:: DIAS Theoretical Physics Seminar
content:: Charles Nash (NUI Maynooth)
:: =46rom Hilbert's 16th problem to =
physics
date-time:: 20 March 2018 at 2:30 pm
location:: School of Theoretical Physics, DIAS. 10 Burlington =
Road, D.4.
endevent::




















=

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From owner-mathdep LISTSERV.HEANET.IE  Tue Mar 13 09:46:49 2018
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Date:         Tue, 13 Mar 2018 09:49:07 +0000
Reply-To:     Fabio Deelan Cunden 
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From:         Fabio Deelan Cunden 
Subject: maths: Tomorrow UCD Probability Seminar
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A reminder. All are welcome.

Best wishes
Fabio

%%%%%%%%%%

UCD Probability Seminar

Speaker:   Antoine Dahlqvist (UCD)

Title:   The two dimensional Yang-Mills measure and its large N limit

Date:    Wednesday, 14th March 2018

Time:    2pm

Location:    UCD, 125 Science North (JK Lab)

Abstract:  The Yang-Mills measure is a model of mathematical physics =
that stems from the physics of the standard model, describing the =
interactions between elementary particles. We shall explain how it gives =
raise to random matrix models in two dimensions that are very closely =
related to the Brownian motion on compact Lie groups. Given a surface, =
playing the role of space-time, and a compact Lie group, associated to =
the type of interaction, it is the data of a random mapping that sends =
any path to a matrix of the group in a multiplicative way. =46rom the =
pioneering work of G. t=E2=80=99Hooft, it was conjectured  in the =
physics literature that these models simplify when, the surface being =
kept fixed,  the dimension of  the group goes to infinity. We shall see =
that they display different behaviors in regards of the choice of =
surface and how they can be analysed thanks to  differential equations =
involving deformations of loops, known as Makeenko-Migdal equations.


Upcoming seminars:=20
https://www.ucd.ie/mathstat/research/seminars/probabilityseminars1718/ =
=20=

http://www.maths.ucd.ie/~noconnell/seminars1718.html =


%%%%%%%%%%=

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A =
reminder. All are welcome.

Best wishes
Fabio

%%%%%%%%%%

UCD Probability Seminar

Speaker:   Antoine Dahlqvist =
(UCD)

Title:   The two =
dimensional Yang-Mills measure and its large N limit

Date:    Wednesday, 14th March 2018

Time:    2pm

Location:    UCD, 125 Science North (JK =
Lab)

Abstract:  The Yang-Mills measure =
is a model of mathematical physics that stems from the physics of the =
standard model, describing the interactions between elementary =
particles. We shall explain how it gives raise to random matrix models =
in two dimensions that are very closely related to the Brownian motion =
on compact Lie groups. Given a surface, playing the role of space-time, =
and a compact Lie group, associated to the type of interaction, it is =
the data of a random mapping that sends any path to a matrix of the =
group in a multiplicative way. =46rom the pioneering work of G. =
t=E2=80=99Hooft, it was conjectured  in the physics literature that =
these models simplify when, the surface being kept fixed,  the =
dimension of  the group goes to infinity. We shall see that they =
display different behaviors in regards of the choice of surface and how =
they can be analysed thanks to  differential equations involving =
deformations of loops, known as Makeenko-Migdal equations.


Upcoming =
seminars: 
https://www.ucd.ie/mathstat/research/seminars/probabilitysemina=
rs1718/ 
http://www.maths.ucd.ie/~noconnell/seminars1718.html
<=
div class=3D"">
%%%%%%%%%%
=

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From owner-mathdep LISTSERV.HEANET.IE  Tue Mar 13 10:02:52 2018
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Date:         Tue, 13 Mar 2018 10:02:46 +0000
Reply-To:     Peter Taylor 
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From:         Peter Taylor 
Subject: maths: DCU Maths Colloquium, Wed March 14th   3pm
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Details for this week's DCU Maths Colloquium are as follows:

Speaker: Dr. Fiona Faulkner, DIT

Title: *Trends in undergraduate students' basic mathematical skills on
entry to third level education over the past 2 decades*
Abstract: In 1997 diagnostic testing was first implemented in the
University of Limerick due to service mathematics lecturers=E2=80=99 anxiet=
y
regarding Science and Technology students=E2=80=99 mathematical competency =
levels.
The test is a tool to identify those who are struggling with the basic
mathematical concepts needed for third level education. An examination of
over 8,000 students involved in the diagnostic testing in UL between 1998
and 2008 highlighted a steady decline in students=E2=80=99 basic mathematic=
al
competency levels on entry to third level education. This data was also
used to explore the role of prior mathematics achievement in predicting
performance in third level mathematics (Faulkner et al 2010). Later
examinations of the diagnostic test data, between 2003 and 2013, found that
the proportion of students tested that are predicted to be at risk of
failing their service mathematics end-of-semester examinations had
continued to increased. Furthermore, when students=E2=80=99 performance in
secondary level mathematics was controlled, it was determined that the
performance of beginning undergraduates in 2013 was statistically
significantly below that of the performance of the beginning undergraduates
recorded 10 years previously (Treacy and Faulkner 2015).   This research
also examines the declining standard in basic mathematics skills in light
of curriculum changes in second level education (Treacy, Faulkner and
Prendergast 2016).

Date: Wednesday 14th March   3pm

*Location:* Nursing Building (H Building) Room HG23
https://www.dcu.ie/info/campus.shtml

All welcome. Tea/coffee/biscuits served in the seminar room at 2:45pm.

Cheers,
Peter.


--=20
Dr. Peter Taylor

Assistant Professor
Center for Astrophysics and Relativity
School of Mathematical Sciences
Dublin City University.
www.taylorexpansion.net

--=20




*S=C3=A9anadh R=C3=ADomhphoist/Email DisclaimerT=C3=A1 an r=C3=ADomhphost s=
eo agus aon chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=
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dh a l=C3=A9amh anseo.  =
This e-mail and any files transmitted with it are confidential and are inte=
nded solely for use by the addressee. Read more here. *


--=20

 =20
=20
=20


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De=
tails for this week's DCU Maths Colloquium are as follows:

Speaker: Dr. Fiona Faulkner, DIT
Title:=C2=A0<=
/font>Trends in undergraduate student=
s' basic mathematical skills on entry to third level education over the=
 past 2 decades
Abstract:=C2=A0In 1997 diagnostic testing was first implemented in the University of =
Limerick due to service mathematics lecturers=E2=80=99 anxiety regarding Sc=
ience and Technology students=E2=80=99 mathematical competency levels. The =
test is a tool to identify those who are struggling with the basic mathemat=
ical concepts needed for third level education. An examination of over 8,00=
0 students involved in the diagnostic testing in UL between 1998 and 2008 h=
ighlighted a steady decline in students=E2=80=99 basic mathematical compete=
ncy levels on entry to third level education. This data was also used to ex=
plore the role of prior mathematics achievement in predicting performance i=
n third level mathematics (Faulkner et al 2010). Later examinations of the =
diagnostic test data, between 2003 and 2013, found that the proportion of s=
tudents tested that are predicted to be at risk of failing their service ma=
thematics end-of-semester examinations had continued to increased. Furtherm=
ore, when students=E2=80=99 performance in secondary level mathematics was =
controlled, it was determined that the performance of beginning undergradua=
tes in 2013 was statistically significantly below that of the performance o=
f the beginning undergraduates recorded 10 years previously (Treacy and Fau=
lkner 2015). =C2=
=A0 This research also examines the declining standard=
 in basic mathematics skills in light of curriculum changes in second level=
 education (Treacy, Faulkner and Prendergast 2016).=C2=A0




=

Date: Wednesday 14th March=C2=A0  3pm

Loc=
ation: Nursing Buildi=
ng (H Building) Room HG23
https://ww=
w.dcu.ie/info/campus.shtml

All welcome. Tea/coffee/biscuits s=
erved in the seminar room at 2:45pm.

Cheers,
Pete=
r.


-- 
Dr. Peter Taylor
<=
br>
Assistant Professor<=
/div>
Center for Astrophysics and Re=
lativity
School of Math=
ematical Sciences
Dubli=
n City University.








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--94eb2c122e64464d470567485c10--

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar 13 12:50:57 2018
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Date:         Tue, 13 Mar 2018 12:50:44 +0000
Reply-To:     Peter Taylor 
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Subject: maths: Time Change, DCU Maths Colloquium
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This week's DCU Math's Colloquium *will now be at 3:30pm* on Wed March
14th, not at 3pm as previously advertised.

Speaker: Dr. Fiona Faulkner, DIT

Title: *Trends in undergraduate students' basic mathematical skills on
entry to third level education over the past 2 decades*
Abstract: In 1997 diagnostic testing was first implemented in the
University of Limerick due to service mathematics lecturers=E2=80=99 anxiet=
y
regarding Science and Technology students=E2=80=99 mathematical competency =
levels.
The test is a tool to identify those who are struggling with the basic
mathematical concepts needed for third level education. An examination of
over 8,000 students involved in the diagnostic testing in UL between 1998
and 2008 highlighted a steady decline in students=E2=80=99 basic mathematic=
al
competency levels on entry to third level education. This data was also
used to explore the role of prior mathematics achievement in predicting
performance in third level mathematics (Faulkner et al 2010). Later
examinations of the diagnostic test data, between 2003 and 2013, found that
the proportion of students tested that are predicted to be at risk of
failing their service mathematics end-of-semester examinations had
continued to increased. Furthermore, when students=E2=80=99 performance in
secondary level mathematics was controlled, it was determined that the
performance of beginning undergraduates in 2013 was statistically
significantly below that of the performance of the beginning undergraduates
recorded 10 years previously (Treacy and Faulkner 2015).   This research
also examines the declining standard in basic mathematics skills in light
of curriculum changes in second level education (Treacy, Faulkner and
Prendergast 2016).

Date: Wednesday 14th March   3:30pm

Location: Nursing Building (H Building) Room HG23
https://www.dcu.ie/info/campus.shtml

All welcome. Tea/coffee/biscuits served in the seminar room at 3:15pm.

Cheers,
Peter.


--=20
Dr. Peter Taylor

Assistant Professor
Center for Astrophysics and Relativity
School of Mathematical Sciences
Dublin City University.
www.taylorexpansion.net

--=20




*S=C3=A9anadh R=C3=ADomhphoist/Email DisclaimerT=C3=A1 an r=C3=ADomhphost s=
eo agus aon chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=
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dh a l=C3=A9amh anseo.  =
This e-mail and any files transmitted with it are confidential and are inte=
nded solely for use by the addressee. Read more here. *


--=20

 =20
=20
=20


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This week's D=
CU Math's Colloquium will now be at 3:30pm on Wed March 1=
4th, not at 3pm as previously advertised.

Speaker: Dr. Fiona Faulkner, D=
IT
Title:=C2=A0Trends in undergraduate students' basic mathematical skil=
ls on entry to third level education over the past 2 decades
Abstract:=C2=A0In 1997 diagnostic testin=
g was first implemented in the University of Limerick due to service mathem=
atics lecturers=E2=80=99 anxiety regarding Science and Technology students=
=E2=80=99 mathematical competency levels. The test is a tool to identify th=
ose who are struggling with the basic mathematical concepts needed for thir=
d level education. An examination of over 8,000 students involved in the di=
agnostic testing in UL between 1998 and 2008 highlighted a steady decline i=
n students=E2=80=99 basic mathematical competency levels on entry to third =
level education. This data was also used to explore the role of prior mathe=
matics achievement in predicting performance in third level mathematics (Fa=
ulkner et al 2010). Later examinations of the diagnostic test data, between=
 2003 and 2013, found that the proportion of students tested that are predi=
cted to be at risk of failing their service mathematics end-of-semester exa=
minations had continued to increased. Furthermore, when students=E2=80=99 p=
erformance in secondary level mathematics was controlled, it was determined=
 that the performance of beginning undergraduates in 2013 was statistically=
 significantly below that of the performance of the beginning undergraduate=
s recorded 10 years previously (Treacy and Faulkner 2015). =C2=A0 This research also examines the declining standard in bas=
ic mathematics skills in light of curriculum changes in second level educat=
ion (Treacy, Faulkner and Prendergast 2016).=C2=A0




=

Date: Wednesday 14=
th March=C2=A0  3:30pm
<=
br>Location: Nursing Building (H Building) Room HG23
https://www.dcu.ie/info/c=
ampus.shtml

<=
div style=3D"font-weight:400;color:rgb(34,34,34);background-color:rgb(255,2=
55,255);font-size:12.8px">All welcome. Tea/coffee/biscuits served in the se=
minar room at 3:15pm.

Cheers,
Peter.
<=
/div>

=






--=C2=A0
Dr. Peter Taylor

Assistant Professor
Center for Astrophysics and Relativity=

School of Mathematical Scienc=
es
Dublin City Universi=
ty.








S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=

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=C3=A9amh anseo.=C2=A0
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Message-ID:  
Date:         Tue, 13 Mar 2018 14:55:57 +0000
Reply-To:     "Hurley, Ted" 
Sender:       UCD Maths Department Distribution List 
From:         "Hurley, Ted" 
Subject: maths: Everybody needs maths ...
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I know some people on this list -- including myself! -- have written on this topic previously. This article below in particular has some nice things to say and use/quote.   It was written by reference to UK Maths/LMS but is very general: why `Everyone needs maths ..'. . 

http://www.sciencecampaign.org.uk/news-media/guest-blog/everybody-needs-mathematics.html


Ted

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 14 13:34:48 2018
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Subject: MATHS: MACSI Seminar:  Time-varying network approach in social dynamics: data-driven and analytical modelling, Tuesday 20th March UL
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Content::


Note: Seminar will take place on Tuesday 20th March, at 2p.m, in  Room A2-0=
02.



MACSI


The department of Mathematics and Statistics at the University of Limerick =
invites you to a seminar by  Dr Michele Starnini, Universitat de Barcelona

Title:   Time-varying network approach in social dynamics: data-driven and =
analytical modelling

Abstract: The temporal dimension of social systems is fundamental in shapin=
g the topological properties of the corresponding networked representation,=
 and it deeply impacts the behaviour of dynamical processes running on top =
of them, such as epidemic spreading or information diffusion. In this talk =
I will give an overview of some recent works addressing the role of the tem=
poral dimension in social network modelling. First, I will focus on a data-=
driven approach, by considering empirical face-to-face interaction networks=
, recorded in different social gatherings. I will present a simple model, b=
ased on the social attractiveness of individuals, able to quantitatively re=
produce most statistical features of these human contact networks. The impo=
rtance of the network's dynamics will be also illustrated by analysing the =
behaviour of simple diffusion processes on top of empirical time-varying ne=
tworks. The case of social networks formed by multiple layers, representing=
 different kinds of social interactions, is particularly interesting in ord=
er to show the effects of temporal correlations between layers on coupled s=
preading processes. Finally, I will briefly present an analytical approach =
in modelling the bursty nature of human dynamics. I will focus on two examp=
les: temporal network modelling that incorporates the burstiness of social =
interactions, and the Non-Markovian dynamics of epidemic spreading processe=
s. Our contributions in social dynamics modelling shed light on the tempora=
l features of human interactions, and it will be of interest to researchers=
 in the broad field of time-evolving complex systems.



This seminar will take place on Tuesday 20thMarch , at 2p.m, in  Room A2-00=
2.


If you have any questions regarding this seminar, please direct them to Iai=
n Moyles (061 233726, iain.moyles ul.ie).
A full list of upcoming seminars can be found at http://www.ulsites.ul.ie/m=
acsi/node/48011

---------------------------------------------------------------------------=
-
Supported by Science Foundation Ireland funding, MACSI - the Mathematics Ap=
plications Consortium for Science and Industry (www.macsi.ul.ie), centred at the University of Limerick, is dedicated to the m=
athematical modelling and solution of problems which arise in science, engi=
neering and industry in Ireland.



e-mail peg.hanrahan ul.ie




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Content::


 


 


Note: Seminar
will take place on Tuesday 20th
 March, at 2p.m, in  Room A2-002.


 


 


 


MACSI=



 


 


The department of Mat=
hematics and Statistics at the University of Limerick invites you to a semi=
nar by  Dr
 Michele Starnini, Universitat de Barcelona      


 


Title:<=
span style=3D"font-size:12.0pt;font-family:"Times New Roman",seri=
f;mso-fareast-language:EN-IE">  
Time-varying network approach in social dynamics: da=
ta-driven and analytical modelling 


 


Abstract:
The temporal dimension of social systems is fundamen=
tal in shaping the topological properties of the corresponding networked re=
presentation, and it deeply impacts the behaviour
 of dynamical processes running on top of them, such as epidemic spreading =
or information diffusion. In this talk I will give an overview of some rece=
nt works addressing the role of the temporal dimension in social network mo=
delling. First, I will focus on
 a data-driven approach, by considering empirical face-to-face interaction =
networks, recorded in different social gatherings. I will present a simple =
model, based on the social attractiveness of individuals, able to quantitat=
ively reproduce most statistical
 features of these human contact networks. The importance of the network's =
dynamics will be also illustrated by analysing the behaviour of simple diff=
usion processes on top of empirical time-varying networks. The case of soci=
al networks formed by multiple layers,
 representing different kinds of social interactions, is particularly inter=
esting in order to show the effects of temporal correlations between layers=
 on coupled spreading processes. Finally, I will briefly present an analyti=
cal approach in modelling the bursty
 nature of human dynamics. I will focus on two examples: temporal network m=
odelling that incorporates the burstiness of social interactions, and the N=
on-Markovian dynamics of epidemic spreading processes. Our contributions in=
 social dynamics modelling shed
 light on the temporal features of human interactions, and it will be of in=
terest to researchers in the broad field of time-evolving complex systems.<=
/span>


 


 


 


This seminar will take place
 on Tuesday 20thMarch , at 2p.m, in  Room A2-002.


 


 


If you have any questions regarding th=
is seminar, please direct them to Iain Moyles (061
 233726, iain.moyles ul.ie).



A full list of upcoming seminars can b=
e found at
http://www.ulsites.ul.ie/macsi/=
node/48011


 


--------------------------------------=
--------------------------------------


Supported by Science Foundation Irelan=
d funding, MACSI - the Mathematics Applications
 Consortium for Science and Industry (www.macsi.ul=
.ie),
 centred at the University of Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.


 


 




e-mail peg.hanrahan ul.ie



 


 


 






--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F93360521exMbx3ulcampus_--

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 14 16:53:20 2018
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From:         "Richard M. Timoney" 
Subject: maths: Analysis seminar 20/3
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                    ANALYSIS SEMINAR



Tuesday 20th March, 2018  at 4.00pm  (place: UCD  Science North 125 )

Speaker: P. Mellon 
Title: Holomorphic dynamics on bounded symmetric domains 

Abstract
The open unit ball, $B$, of a Banach space is homogeneous if given
any two points $z,w$ in $B$, there is a biholomorphic map sending
$z$ to $w$. Such balls classify the bounded symmetric domains,
include many classical spaces and ensure a Jordan structure on the
underlying space. Let $f:B\mapsto B$ be a holomorphic fixed-point
free map. The behaviour of the sequence of iterates, $f^n=f\circ
f^{n-1}$, of $f$ is the subject of much study since the Wolff Denjoy
results for the complex disc $\Delta $ in 1926. Generally, in
infinite dimensions,  $(f^n)$ does not converge, even in the Hilbert
space case. Our work therefore seeks to establish the 'location'
of accumulations points of $(f^n)$, with respect to the topology
of local uniform convergence on $B$.

This seminar will present results in this direction, using a recently
proved Wolff type theorem for infinite dimensional bounded symmetric
domains. 

========================


Tuesday 27th March  at 3:00pm  (place: UCD  Science North 125 )

Speaker: M. Ghergu 
Title: Isolated singularities for semilinear elliptic systems with power-law nonlinearity 

Abstract
We discuss the behaviour around isolated singularity for
nonnegative solutions of semilinear elliptic systems. Unlike the standard
methods available in the literature which rely on moving plane methods, we
apply several tools that pertain to free boundary problems in order to
pursue our investigation.

This talk is based on a joint work with Sunghan Kim (National University
Seoul, South Korea) and Henrik Shahgholian (KTH Stockholm). 

Tuesday 27th March  at 4:15pm  (place: UCD  Science North 125 )

Speaker: C. Boyd 
Title:  



______________________________
C. Boyd , R. Timoney .

webpage:
http://www.maths.tcd.ie/~richardt/analysis/



Lines for mathdep web calendar entry:

title:: ANALYSIS SEMINAR
content:: P. Mellon  will speak on
::  Holomorphic dynamics on bounded symmetric domains 
date-time:: Tuesday 20th March, 2018  at 4.00pm 
location:: UCD  Science North 125 
endevent::

title:: ANALYSIS SEMINAR
content:: M. Ghergu  will speak on
::  Isolated singularities for semilinear elliptic systems with power-law nonlinearity 
date-time:: Tuesday 27th March  at 3:00pm 
location:: UCD  Science North 125 
endevent::

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Date:         Thu, 15 Mar 2018 18:37:04 +0000
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From:         eoldham 
Subject: Re: maths: Everybody needs maths ...
Comments: To: "Hurley, Ted" 
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Interesting!

Definitely good stuff, but a bit over-focused on the economy, rather 
than intrinsic and cultural value?  Or is it just that the article is 
catering for a specific audience?

Elizabeth.

On 2018-03-13 14:55, Hurley, Ted wrote:
> I know some people on this list -- including myself! -- have written
> on this topic previously. This article below in particular has some
> nice things to say and use/quote.   It was written by reference to UK
> Maths/LMS but is very general: why `Everyone needs maths ..'. .
> 
> http://www.sciencecampaign.org.uk/news-media/guest-blog/everybody-needs-mathematics.html
> 
> 
> Ted
> 
> For more about the MATHDEP list access http://maths.ucd.ie/mathdep
> To change your mathdep preference, access 
> https://maths.ucd.ie/mathdepchange

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From:         John Regan 
Subject: maths: CfAR Seminar, Wednesday 21st March   15.00
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--------------83C4224B84623A18CE4EB214
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Centre for Astrophysics & Relativity

www.cfar.ie

Speaker: *Dr. Donna Rodgers-Lee, University of Hertfordshire*

Title:****The extreme physical conditions of protoplanetary disks:=20
magnetic fields and low energy cosmic rays**
** **

Abstract: //
/Protoplanetary disks, the birthplace of planets, have been the focus of=20
much research in recent years since the first light of the Atacama Large=20
Millimeter Array. One of the main focuses of protoplanetary disk studies=20
is to investigate the mechanism responsible for angular momentum=20
transport which allows accretion onto the young star to occur. While the=20
magnetorotational instability is thought to operate in certain regions=20
of protoplanetary disks, which can facilitate the transport of angular=20
momentum, a more global view including non-ideal magnetohydrodynamic=20
simulations is still missing. The simulations I will discuss initially=20
are some of the first to study the global nature of protoplanetary disks=20
including all three non-ideal effects in a region where the Hall effect=20
is dominant. I will show how our results using a multifluid approach are=20
comparable with those of the single fluid approximation but also point=20
out some important differences./*/

Date: Wednesday 21st /March//**//**/  1/**/5.00. Tea/Coffee will be=20
served in HG23 from 14.45. /*/

/Location: Lonsdale Building (X Building) Room HG23
https://www.dcu.ie/info/campus.shtml

Cheers,
John

--=20




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This e-mail and any files transmitted with it are confidential and are inte=
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--------------83C4224B84623A18CE4EB214
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Centre
          for Astrophysics & Relativity 

       

    

      
www.cfar.ie

      

      
Speaker: Dr. Donna Rodgers-Lee, University
            of Hertfordshire 

      
Title: The extreme physical conditions of
                  protoplanetary disks: magnetic fields and low energy
                  cosmic rays 

        
        

      Abstract: 

      Protoplanetary disks, the birthplace of planets, have been the
        focus of much research in recent years since the first light of
        the Atacama Large Millimeter Array. One of the main focuses of
        protoplanetary disk studies is to investigate the mechanism
        responsible for angular momentum transport which allows
        accretion onto the young star to occur. While the
        magnetorotational instability is thought to operate in certain
        regions of protoplanetary disks, which can facilitate the
        transport of angular momentum, a more global view including
        non-ideal magnetohydrodynamic simulations is still missing. The
        simulations I will discuss initially are some of the first to
        study the global nature of protoplanetary disks including all
        three non-ideal effects in a region where the Hall effect is
        dominant. I will show how our results using a multifluid
        approach are comparable with those of the single fluid
        approximation but also point out some important differences.=


            

            Date: Wednesday 21st March   15.00.
            Tea/Coffee will be served in HG23 from 14.45. 

            

          Location: Lonsdale Building
        (X Building) Room HG23

        https://www.dcu.ie/info/campus.shtml=


        

        Cheers,

        John 

  





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From owner-mathdep LISTSERV.HEANET.IE  Fri Mar 16 09:51:05 2018
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From:         Jan Manschot 
Subject: maths: DUBLIN THEORETICAL PHYSICS COLLOQUIUM
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Dublin Theoretical Physics Colloquium

Time: Wednesday, 21th of March at 16:00 p.m.

Location: Synge Lecture Theatre, Westland Row, Trinity College Dublin.

Speaker: Pietro Longhi (Uppsala)

Title: "BPS Graphs of Class S Theories"
=20
Abstract:=20
BPS quivers and Spectral Networks are two powerful tools for computing =
BPS spectra in 4d N=3D2 theories. On the Coulomb branches of these =
theories, the BPS spectrum is well-defined only away from walls of =
marginal stability, where wall-crossing phenomena take place. =
Surprisingly, while BPS spectra are ill-defined, there is a lot of =
information hidden in spectral networks at maximal intersections of MS =
walls. In this talk I will describe how they give rise to BPS graphs, =
and how the relation of the latter to BPS quivers emerges naturally. I =
will also present a novel construction of the wall-crossing invariant of =
Kontsevich and Soibelman, a.k.a the BPS monodromy, based entirely on =
topological data of BPS graphs, and derived by wall-crossing in presence =
of surface defects.



=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Future speakers:  =20
28th of March   Constantin Bachas
4th of April  Giuseppe Policastro
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D




title:: Dublin Theoretical Physics Colloquium
content:: Pietro Longhi will speak on =20
:: BPS Graphs of Class S Theories
date-time::  Wednesday the 21th of March at 16:00pm
location:: Synge Lecture Theatre, School of Mathematics, Trinity College =
Dublin
endevent::=

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Dublin Theoretical Physics Colloquium

Time: Wednesday, 21th =
of March at 16:00 p.m.

Location: Synge =
Lecture Theatre, Westland Row, Trinity College Dublin.

Speaker: Pietro Longhi (Uppsala)

Title: "BPS Graphs of Class S =
Theories"
<=
/div>
 
Abstract: 
BPS=
 quivers and Spectral Networks are two powerful tools for computing BPS =
spectra in 4d N=3D2 theories. On the Coulomb branches of these theories, =
the BPS spectrum is well-defined only away from walls of marginal =
stability, where wall-crossing phenomena take place. Surprisingly, while BPS spectra =
are ill-defined, there is a lot of information hidden in spectral =
networks at maximal intersections of MS walls. In this talk I will =
describe how they give rise to BPS graphs, and how the relation of the =
latter to BPS quivers emerges naturally. I will also present a novel =
construction of the wall-crossing invariant of Kontsevich and Soibelman, =
a.k.a the BPS monodromy, based entirely on topological data of BPS =
graphs, and derived by wall-crossing in presence of surface =
defects.



=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D
Future =
speakers:   
<=
/blockquote>
28th of March   Constantin =
Bachas
4th of April =
 Giuseppe =
Policastro
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D




title:: Dublin =
Theoretical Physics Colloquium
content:: Pietro =
Longhi will speak on =
 
:: BPS Graphs of Class =
S =
Theories
=

date-time::  Wednesday =
the 21th of March at =
16:00pm
=

location:: Synge =
Lecture Theatre, School of Mathematics, Trinity College Dublin
endevent::
=

=

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Dear Colleagues,


All are welcome at the following seminar:


UCC Applied Mathematics Seminar

Speaker: Ton van den Bremer (University of Oxford)

Time and location: 12pm, Thursday 22 March, WGB G02

Title: The wave-induced flow of internal gravity wavepackets with arbitrary=
 aspect ratio

Abstract: We examine the wave-induced flow of small-amplitude, quasi-monoch=
romatic, three-dimensional, Boussinesq internal gravity wavepackets in a un=
iformly stratified ambient. It has been known since Bretherton (1969) that =
one-, two- and three-dimensional wavepackets induce qualitatively different=
 flows. Whereas the wave-induced mean flow for compact three-dimensional wa=
vepackets consists of a purely horizontal localized circulation that transl=
ates with and around the wavepacket, known as the Bretherton flow, such a f=
low is prohibited for a two-dimensional wavepacket of infinite spanwise ext=
ent, which instead induces a non-local internal wave response that is long =
compared with the streamwise extent of the wavepacket. One-dimensional (hor=
izontally periodic) wavepackets induce a horizontal, non-divergent unidirec=
tional flow. Through perturbation theory for quasi-monochromatic wavepacket=
s of arbitrary aspect ratio, we predict for which aspect ratios which type =
of induced mean flow dominates.




****************************





Lines for mathdep calendar:

title:: UCC Applied Maths Seminar
date-time:: Thursday 22 March AT 12pm
location:: WGB G02
content:: Ton van den Bremer

:: (University of Oxford)
:: presents a talk entitled
:: "The wave-induced flow of internal gravity wavepackets with arbitrary as=
pect ratio"
endevent::



_____________________

Dr. David Henry
Lecturer in Applied Mathematics
School of Mathematical Sciences
University College Cork
Ireland

+353-21 420 5861

--_000_DB3PR02MB0281E7EA9E2BB0385D305A548FD70DB3PR02MB0281eurp_
Content-Type: text/html; charset="iso-8859-1"
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Dear Colleagues,





















All are welcome at the following seminar:







UCC Applied Mathematics Seminar 







Speaker: =
Ton
 van den Bremer (University of Oxford)<=
/span>




Time and location: 12pm, Thursday 22 March, WGB G02




Title: =
The=
 wave-induced flow of internal gravity wavepackets with arbitrary aspect ra=
tio



Abstract: We examine the wave-induced flow of small-amplitude,=
 quasi-monochromatic, three-dimensional, Boussinesq internal gravity wavepa=
ckets in a uniformly stratified ambient. It has been known since Bretherton=
 (1969) that one-, two- and three-dimensional
 wavepackets induce qualitatively different flows. Whereas the wave-induced=
 mean flow for compact three-dimensional wavepackets consists of a purely h=
orizontal localized circulation that translates with and around the wavepac=
ket, known as the Bretherton flow,
 such a flow is prohibited for a two-dimensional wavepacket of infinite spa=
nwise extent, which instead induces a non-local internal wave response that=
 is long compared with the streamwise extent of the wavepacket. One-dimensi=
onal (horizontally periodic) wavepackets
 induce a horizontal, non-divergent unidirectional flow. Through perturbati=
on theory for quasi-monochromatic wavepackets of arbitrary aspect ratio, we=
 predict for which aspect ratios which type of induced mean flow dominates.=














































































=


****************************

































































<=
span style=3D"font-size:16px">Lines
 for mathdep calendar:



title:: UCC 
Applied 
Maths 
Seminar

date-time:: Thursday 22 March AT 12pm

location:: WGB G02

content:: Ton van den Bremer

<=
/span>



:: <=
font size=3D"2" face=3D"Times New Roman">(University
 of Oxford)<=
/font>

<=
span style=3D"font-size:10pt"><=
/span>=
=
=
=
=
<=
/span><=
span style=3D"font-size:10pt"><=
/font><=
span style=3D"font-size:10pt">=
=
=
<=
span style=3D"font-size:10pt"><=
/font><=
span style=3D"font-size:10pt">=
=
=
<=
span style=3D"font-size:10pt"><=
/font><=
span style=3D"font-size:10pt">=
=
=
<=
span style=3D"font-size:10pt"><=
/span><=
span style=3D"font-size:16px"><=
font size=3D"2" face=3D"Times New Roman">::
 presents a talk entitled

:: "<=
/font><=
span>The
 wave-induced flow of internal gravity wavepackets with arbitrary aspect ra=
tio"



<=
span style=3D"font-size:10pt">ende=
vent::




<=
/font>








_____________________



Dr. David Henry

Lecturer in Applied Mathematics

School of Mathematical Sciences

University College Cork

Ireland



+353-21 420 5861
























































































































--_000_DB3PR02MB0281E7EA9E2BB0385D305A548FD70DB3PR02MB0281eurp_--

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Date:         Fri, 16 Mar 2018 18:29:55 +0000
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Dear Colleagues,

You are all welcome to the following seminar:

UCC Mathematics Seminar

Time and location: 4-5pm, Tuesday 20 March, WGB G08

Speaker: Hiroaki Aikawa (Hokkaido University)

Title: Global integrability of superharmonic functions and supertemperature=
s

Abstract:

Ever since Armitage showed, in 1972, that a nonnegative superharmonic funct=
ion on a bounded smooth domain in $R^n$ is $L^p$-integrable up to the bound=
ary, provided $0










Dear Colleagues,


 


You are all welcome to the f=
ollowing seminar:


 


UCC Mathematics Seminar


 


Time and location:
4-5pm, Tuesday 20 March, WGB=
 G08


 


Speaker: Hiroaki Aikawa (Hokkaido
 University)


 


Title:
Global
 integrability of superharmonic functions and supertemperatures




 


Abstract:


Ev=
er since Armitage showed, in 1972, that a nonnegative superharmonic functio=
n on a bounded smooth domain in $R^n$ is $L^p$-integrable
 up to the boundary, provided $0<p<n/(n-1)$, the global integrability=
 of nonnegative supersolutions has attracted many mathematicians.


In this talk we consider a parabolic count=
erpart.  We study the global integrability of nonnegative supertempera=
tures on the cylinder $D\times(0,T)$.  We show that the integrability =
depends on the lower estimate of the Green function
 for the Dirichlet Laplacian on $D$.



In particular, if $D$ is a bounded $C^1$-d=
omain, then every nonnegative supertemperature on $D\times(0,T)$ is $L^p$-i=
ntegrable over $D\times(0,T')$ for any $0<T'<T$, provided $0<p<=
(n+2)/(n+1)$. The bound $(n+2)/(n+1)$ is sharp.



Joint work with Hara and Hirata.






Best regards,



Sp=
yros Dendrinos















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From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 19 00:36:11 2018
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Date:         Mon, 19 Mar 2018 00:35:44 +0000
Reply-To:     Fabio Deelan Cunden 
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From:         Fabio Deelan Cunden 
Subject: maths: UCD Probability Seminar
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UCD Probability Seminar

Speaker:   Gregory Schehr (Orsay)

Title:   Large deviations for non-interacting trapped fermions

Date:    Wednesday, 21st March 2018

Time:    2pm

Location:    UCD, 125 Science North (JK Lab)

Abstract:  I will consider the (quantum) spatial fluctuations of N =
non-interacting fermions in an isotropic d-dimensional trapping =
potential at zero temperature, with a special focus on hard potentials. =
I will study the maximal radial distance, $r_{\max}$, of the fermions =
from the trap center and focus on the large deviations of $r_{\max}$ =
away from its typical position, both to the right (right tail) and to =
the left (left tail). In $d=3D1$, this question can be studied, in =
several cases, thanks to an exact mapping to random matrix models, where =
such large deviations regimes have been well studied in the recent past. =
I will show that in $d>1$ the large deviation regime to the left =
exhibits a quite unusual, and rather universal, intermediate regime. =
This intermediate regime can be studied in detail using the tools of =
determinantal point processes.


All are welcome.

Best wishes,
Fabio

%%%%%%%%%%

Upcoming seminars:=20
https://www.ucd.ie/mathstat/research/seminars/probabilityseminars1718/ =
=20=

http://www.maths.ucd.ie/~noconnell/seminars1718.html =


%%%%%%%%%%


title:: UCD Probability Seminar
content:: Gregory Schehr (Orsay) will speak on
:: Large deviations for non-interacting trapped fermions
date-time::   Wednesday, 21st March 2018 at 2:00pm
location:: UCD, 125 Science North (JK Lab)
endevent::=

--Apple-Mail=_796A2A09-ED33-4587-8D18-D2B0F89347A1
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	charset=us-ascii


UCD Probability Seminar

Speaker:   Gregory Schehr (Orsay)
Title:   Large deviations for non-interacting =
trapped fermions

Date: =
   Wednesday, 21st March 2018

Time:    2pm

Location:    UCD, 125 Science North (JK =
Lab)

Abstract:  I will consider the =
(quantum) spatial fluctuations of N non-interacting fermions in an =
isotropic d-dimensional trapping potential at zero temperature, with a =
special focus on hard potentials. I will study the maximal radial =
distance, $r_{\max}$, of the fermions from the trap center and focus on =
the large deviations of $r_{\max}$ away from its typical position, both =
to the right (right tail) and to the left (left tail). In $d=3D1$, this =
question can be studied, in several cases, thanks to an exact mapping to =
random matrix models, where such large deviations regimes have been well =
studied in the recent past. I will show that in $d>1$ the large =
deviation regime to the left exhibits a quite unusual, and rather =
universal, intermediate regime. This intermediate regime can be studied =
in detail using the tools of determinantal point processes.


All are welcome.

Best wishes,
Fabio

%%%%%%%%%%

Upcoming =
seminars: 
https://www.ucd.ie/mathstat/research/seminars/probabilitysemina=
rs1718/ 
http://www.maths.ucd.ie/~noconnell/seminars1718.html
<=
div class=3D"">
%%%%%%%%%%


title:: UCD Probability =
Seminar
content:: Gregory Schehr (Orsay) will =
speak on
:: Large deviations for non-interacting =
trapped fermions
date-time::   Wednesday, 21st =
March 2018 at 2:00pm
location:: UCD, 125 Science =
North (JK Lab)
endevent::
=

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From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 19 09:28:31 2018
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Subject: maths: Theoretical Physics Seminar - TCD - 22 March
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--------------066B646F3901D876C3C2A020
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TCD THEORETICAL PHYSICS SEMINAR

Thursday, 22 March 2018, 2:00 pm

Seminar Room, House 20
School of Mathematics
Trinity College Dublin

Speaker: Tim Adamo (Imperial)

Title: Double copy in plane wave backgrounds


Abstract: The double copy is a method for constructing scattering 
amplitudes in gravity from scattering amplitudes in gauge theory, 
perturbatively around Minkowski space. This method has been very useful 
in the study of perturbative supergravity at high loop orders, and even 
has a catchy slogan: Gravity = (Gauge theory)^2. However, it is not 
known if the double copy is an intrinsic feature of gauge theory and 
gravity as perturbative QFTs or just a (highly effective) trick that 
happens to work in Minkowski space. In this talk I will describe how the 
robustness of the double copy can be tested by considering the simplest 
scattering amplitudes in the simplest non-flat backgrounds; namely, 
3-point amplitudes on plane wave backgrounds. Despite various subtleties 
introduced by the non-trivial scattering background, it is clear that a 
notion of double copy does indeed exist.

All are welcome.

=====================

title:: TCD Theoretical Physics Seminar
content::Tim Adamo (Imperial)
::Double copy in plane wave backgrounds::
date-time:: 22 March 2018 at 2:00 pm
location::Seminar Room House 20, TCD
endevent::

--------------066B646F3901D876C3C2A020
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TCD THEORETICAL PHYSICS SEMINAR

      

      Thursday, 22 March 2018, 2:00 pm

      

      Seminar Room, House 20

      School of Mathematics 

      Trinity College Dublin

      

      Speaker: Tim Adamo (Imperial)

      

      Title: Double copy in plane wave backgrounds

    


        Abstract: The double copy is a method for constructing
        scattering amplitudes in gravity from scattering amplitudes in
        gauge theory, perturbatively around Minkowski space. This method
        has been very useful in the study of perturbative supergravity
        at high loop orders, and even has a catchy slogan: Gravity =
        (Gauge theory)^2. However, it is not known if the double copy is
        an intrinsic feature of gauge theory and gravity as perturbative
        QFTs or just a (highly effective) trick that happens to work in
        Minkowski space. In this talk I will describe how the robustness
        of the double copy can be tested by considering the simplest
        scattering amplitudes in the simplest non-flat backgrounds;
        namely, 3-point amplitudes on plane wave backgrounds. Despite
        various subtleties introduced by the non-trivial scattering
        background, it is clear that a notion of double copy does indeed
        exist.

      


      

      
All are welcome.

      

      =====================

      

      title:: TCD Theoretical Physics Seminar

      content::Tim Adamo (Imperial)

      ::Double copy in plane wave backgrounds::

    
date-time:: 22 March 2018 at 2:00 pm

      location::Seminar Room House 20, TCD

      endevent::

  


--------------066B646F3901D876C3C2A020--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 19 10:11:16 2018
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Reply-To:     Tristan Mc Loughlin 
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From:         Tristan Mc Loughlin 
Subject: maths: Higher-point correlation functions and integrable AdS/CFT , April 16th-20th 2018
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Dear Colleague,

I am writing to draw your attention to the HMI Workshop on higher-point 
correlation functions and integrable AdS/CFT that we are
hosting in Trinity College Dublin this April 16th to 20th.

Confirmed Speakers include:
Zoltan Bajnok, Wigner Research Center for Physics, Hungary
Benjanmin Basso, LPTENS, Paris, France
João Caetano, LPTENS, Paris, France
Nikolay Gromov, Kings College, London, UK
Paul Heslop, Univ. Durham, UK
Ivan Kostov, IPhT-Saclay, France
Charlotte Kristjansen, NBI, Denmark
Balázs Pozsgay, MTA-BME, Hungary
Xinan Zhou, Stonybrook, USA

Further information can be found at

www.maths.tcd.ie/~tristan/HMI2018/

There is no fee but we ask interested participants to register via the 
above link.

Best wishes,

Tristan McLoughlin

(On behalf of the organisers)


title:: HMI Workshop
content:: www.maths.tcd.ie/~tristan/HMI2018/
date-time:: 16th April 2018 at 10:30am
location:: Hamilton Building, Trinity College Dublin
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 19 21:35:29 2018
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Subject: Maths: UCD PhD Opportunities in Gravitational-Wave Source Modeling
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Dear Colleagues,

I have funding for two PhD positions in gravitational-wave source modeling and I would be grateful if you would forward this to any students who might be interested. The projects will focus on modeling gravitational-wave emission from extreme mass-ratio binaries using black hole perturbation theory. Modeling these binaries is a multi-faceting problem involving a combination of analytic and numerical work and there is wide scope for the student to choose the direction and emphasis of their research.

Interested candidates can contact me at this address (niels.warburton ucd.ie) or via the advert at https://t.co/ZbZK1Tes9K.

Regards,
Niels Warburton
Royal Society - Science Foundation Ireland University Research Fellow
University College Dublin

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Subject: maths: Tomorrow UCD Probability Seminar
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A reminder. All are welcome.

Best wishes
Fabio

%%%%%%%%%%

UCD Probability Seminar

Speaker:   Gregory Schehr (Orsay)

Title:   Large deviations for non-interacting trapped fermions

Date:    Wednesday, 21st March 2018

Time:    2pm

Location:    UCD, 125 Science North (JK Lab)

Abstract:  I will consider the (quantum) spatial fluctuations of N =
non-interacting fermions in an isotropic d-dimensional trapping =
potential at zero temperature, with a special focus on hard potentials. =
I will study the maximal radial distance, $r_{\max}$, of the fermions =
from the trap center and focus on the large deviations of $r_{\max}$ =
away from its typical position, both to the right (right tail) and to =
the left (left tail). In $d=3D1$, this question can be studied, in =
several cases, thanks to an exact mapping to random matrix models, where =
such large deviations regimes have been well studied in the recent past. =
I will show that in $d>1$ the large deviation regime to the left =
exhibits a quite unusual, and rather universal, intermediate regime. =
This intermediate regime can be studied in detail using the tools of =
determinantal point processes.


Upcoming seminars:=20
https://www.ucd.ie/mathstat/research/seminars/probabilityseminars1718/ =
=20=

http://www.maths.ucd.ie/~noconnell/seminars1718.html =


%%%%%%%%%%=

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A =
reminder. All are welcome.

Best wishes
Fabio

%%%%%%%%%%

UCD Probability =
Seminar

Speaker:   Gregory =
Schehr (Orsay)

Title: =
  Large deviations for non-interacting trapped fermions

Date:    Wednesday, 21st March =
2018

Time:    2pm

Location:    UCD, 125 Science =
North (JK Lab)

Abstract:  I will =
consider the (quantum) spatial fluctuations of N non-interacting =
fermions in an isotropic d-dimensional trapping potential at zero =
temperature, with a special focus on hard potentials. I will study the =
maximal radial distance, $r_{\max}$, of the fermions from the trap =
center and focus on the large deviations of $r_{\max}$ away from its =
typical position, both to the right (right tail) and to the left (left =
tail). In $d=3D1$, this question can be studied, in several cases, =
thanks to an exact mapping to random matrix models, where such large =
deviations regimes have been well studied in the recent past. I will =
show that in $d>1$ the large deviation regime to the left exhibits a =
quite unusual, and rather universal, intermediate regime. This =
intermediate regime can be studied in detail using the tools of =
determinantal point processes.


Upcoming seminars: 
https://www.ucd.ie/mathstat/research/seminars/probabilitysemina=
rs1718/ 
http://www.maths.ucd.ie/~noconnell/seminars1718.html
<=
div class=3D"">
%%%%%%%%%%
=

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From owner-mathdep LISTSERV.HEANET.IE  Tue Mar 20 11:16:37 2018
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Reply-To:     Robert Osburn 
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From:         Robert Osburn 
Subject: maths: UCD Algebra and Number Theory Seminar
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UCD Algebra and Number Theory Seminar

Speaker: Anna Haensch (Duquesne University and MPIM)

Title: Spinor regular ternary quadratic forms

Abstract: It is well known that there is no direct integral analogue to Hasse’s local-global principle.  An integral lattice which satisfies a local-global principle (that is, a lattice that represents everything globally which is represented locally at every prime) is called regular.  Extending this notion of regularity introduced by Dickson in 1939, a positive definite ternary integral quadratic form is said to be spinor regular if it represents all the positive integers represented by its spinor genus (that is, all positive integers represented by any form in its spinor genus). Jagy conducted an extensive computer search for primitive ternary quadratic forms that are spinor regular, but not regular, resulting in a list of 29 such forms. In this talk, I will discuss recent work with A. G. Earnest in which we verify the completeness of this list.

Date: Thursday, March 29, 2018
Time: 2:00pm
Location: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01

title:: UCD Algebra and Number Theory Seminar
content:: Anna Haensch (Duquesne University and MPIM) will speak on
:: Spinor regular ternary quadratic forms
date-time:: Thursday, March 29, 2018 at 2:00pm
location:: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 21 09:43:29 2018
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From:         Jan Manschot 
Subject: maths: TODAY DUBLIN THEORETICAL PHYSICS COLLOQUIUM
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> Dublin Theoretical Physics Colloquium
>=20
> Time: Wednesday, 21th of March at 16:00 p.m.
>=20
> Location: Synge Lecture Theatre, Westland Row, Trinity College Dublin.
>=20
> Speaker: Pietro Longhi (Uppsala)
>=20
> Title: "BPS Graphs of Class S Theories"
> =20
> Abstract:=20
> BPS quivers and Spectral Networks are two powerful tools for computing =
BPS spectra in 4d N=3D2 theories. On the Coulomb branches of these =
theories, the BPS spectrum is well-defined only away from walls of =
marginal stability, where wall-crossing phenomena take place. =
Surprisingly, while BPS spectra are ill-defined, there is a lot of =
information hidden in spectral networks at maximal intersections of MS =
walls. In this talk I will describe how they give rise to BPS graphs, =
and how the relation of the latter to BPS quivers emerges naturally. I =
will also present a novel construction of the wall-crossing invariant of =
Kontsevich and Soibelman, a.k.a the BPS monodromy, based entirely on =
topological data of BPS graphs, and derived by wall-crossing in presence =
of surface defects.
>=20
>=20
>=20
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> Future speakers:  =20
> 28th of March   Constantin Bachas
> 4th of April  Giuseppe Policastro
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>=20
>=20
>=20
>=20
> title:: Dublin Theoretical Physics Colloquium
> content:: Pietro Longhi will speak on =20
> :: BPS Graphs of Class S Theories
> date-time::  Wednesday the 21th of March at 16:00pm
> location:: Synge Lecture Theatre, School of Mathematics, Trinity =
College Dublin
> endevent::


--Apple-Mail=_8725FD65-AC90-4E26-9DB6-A16D9233BD70
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	charset=us-ascii


Dublin Theoretical Physics Colloquium

Time: Wednesday, 21th =
of March at 16:00 p.m.

Location: Synge =
Lecture Theatre, Westland Row, Trinity College Dublin.

Speaker: Pietro Longhi (Uppsala)

Title: "BPS Graphs of Class S =
Theories"
<=
/div>
 
Abstract: 
BPS=
 quivers and Spectral Networks are two powerful tools for computing BPS =
spectra in 4d N=3D2 theories. On the Coulomb branches of these theories, =
the BPS spectrum is well-defined only away from walls of marginal =
stability, where wall-crossing phenomena take place. Surprisingly, while BPS spectra =
are ill-defined, there is a lot of information hidden in spectral =
networks at maximal intersections of MS walls. In this talk I will =
describe how they give rise to BPS graphs, and how the relation of the =
latter to BPS quivers emerges naturally. I will also present a novel =
construction of the wall-crossing invariant of Kontsevich and Soibelman, =
a.k.a the BPS monodromy, based entirely on topological data of BPS =
graphs, and derived by wall-crossing in presence of surface =
defects.



=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D
Future =
speakers:   
<=
/blockquote>
28th of March   Constantin =
Bachas
4th of April =
 Giuseppe =
Policastro
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D




title:: Dublin =
Theoretical Physics Colloquium
content:: Pietro =
Longhi will speak on =
 
:: BPS Graphs of Class =
S =
Theories
=

date-time::  Wednesday =
the 21th of March at =
16:00pm
=

location:: Synge =
Lecture Theatre, School of Mathematics, Trinity College Dublin
endevent::
=


=

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From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 21 09:56:30 2018
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Date:         Wed, 21 Mar 2018 09:56:23 +0000
Reply-To:     "Neil O'Connell" 
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From:         "Neil O'Connell" 
Subject: maths: Workshop `Randomness and Symmetry=?utf-8?Q?=E2=80=99=2C_?=UCD, June 18-22, 2018.
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Dear colleagues,

This is a preliminary announcement for the workshop `Randomness and =
Symmetry=E2=80=99, to be held at University College Dublin, June 18-22, =
2018.

Confirmed speakers include - Elia Bisi (Warwick), Philippe Bougerol =
(Paris), Jeremie Bouttier (Saclay), Manon Defosseux (Paris), Persi =
Diaconis (Stanford), Nick Ercolani (Arizona), Jonathan Novak (San =
Diego), Satya Majumdar (Orsay), Dan Romik (Davis), Gregory Schehr =
(Orsay), Craig Tracy (Davis), Pierre Van Moerbeke (Leuven), Balint Virag =
(Toronto), Paul Zinn-Justin (Melbourne).

There is limited space available (and some funding for PhD students and =
young researchers) to participate in this workshop.  To apply / register =
your interest, please email randsym18 ucd.ie  =
before May 1, 2018.

Further details are available on the workshop web page

http://www.maths.ucd.ie/~noconnell/randsym18/main.html =


With best wishes, on behalf of the organisers,

Fabio Deelan Cunden
Antoine Dahlqvist
Neil O=E2=80=99Connell

title:: Workshop `Randomness and Symmetry'
content:: http://www.maths.ucd.ie/~noconnell/randsym18/main.html =

date-time::   June 18-22, 2018
location:: UCD, lecture room 129 Science North
endevent::=

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Dear =
colleagues,

This is =
a preliminary announcement for the workshop `Randomness and Symmetry=E2=80=
=99, to be held at University College Dublin, June 18-22, 2018.

Confirmed speakers include - Elia Bisi =
(Warwick), Philippe Bougerol (Paris), Jeremie Bouttier (Saclay), Manon =
Defosseux (Paris), Persi Diaconis (Stanford), Nick =
Ercolani (Arizona), Jonathan Novak (San Diego), Satya Majumdar =
(Orsay), Dan Romik (Davis), Gregory Schehr (Orsay), Craig Tracy (Davis), =
Pierre Van Moerbeke (Leuven), Balint Virag (Toronto), Paul =
Zinn-Justin (Melbourne).

There is limited =
space available (and some funding for PhD students and young =
researchers) to participate in this workshop.  To apply / register =
your interest, please email randsym18 ucd.ie before May 1, 2018.

Further details are available on the workshop =
web page

http://www.maths.ucd.ie/~noconnell/randsym18/main.html

With best wishes, on behalf of the =
organisers,

Fabio Deelan Cunden
Antoine Dahlqvist
Neil O=E2=80=99Connell

title:: Workshop =
`Randomness and Symmetry'
content:: http://www.maths.ucd.ie/~noconnell/randsym18/main.html
date-time::   June 18-22, 2018
location:: UCD, lecture room 129 Science North
endevent::
=

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From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 21 11:22:43 2018
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Date:         Wed, 21 Mar 2018 11:22:27 +0000
Reply-To:     "Richard M. Timoney" 
Sender:       UCD Maths Department Distribution List 
From:         "Richard M. Timoney" 
Subject: maths: Analysis seminars 27/3
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                    ANALYSIS SEMINAR



Tuesday 27th March  at 3:00pm  (place: UCD  Science North 125 )

Speaker: M. Ghergu 
Title: Isolated singularities for semilinear elliptic systems with power-law nonlinearity 

Abstract
We discuss the behaviour around isolated singularity for
nonnegative solutions of semilinear elliptic systems. Unlike the standard
methods available in the literature which rely on moving plane methods, we
apply several tools that pertain to free boundary problems in order to
pursue our investigation.

This talk is based on a joint work with Sunghan Kim (National University
Seoul, South Korea) and Henrik Shahgholian (KTH Stockholm). 

Tuesday 27th March  at 4:15pm  (place: UCD  Science North 125 )

Speaker: C. Boyd 
Title: Integral and Nuclear Polynomials on tree spaces 

Abstract
We examine the Radon-Nikodym Property and Asplundness, in particular
their connection to integral and nuclear mappings and polynomials.
We show that the structure given to us by tree spaces provides the
ideal setting to uncover the intricacies of the relationship between
integral and nuclear polynomials.
(This is joint work with C. Poulios and M. Venkova.) 


______________________________
C. Boyd , R. Timoney .

webpage:
http://www.maths.tcd.ie/~richardt/analysis/



Lines for mathdep web calendar entry:

title:: ANALYSIS SEMINAR
content:: C. Boyd  will speak on
::  Integral and Nuclear Polynomials on tree spaces 
date-time:: Tuesday 27th March  at 4:15pm 
location:: UCD  Science North 125 
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Thu Mar 22 08:32:39 2018
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From:         Tristan Mc Loughlin 
Subject: maths: Theoretical Physics Seminar - TCD - 22 March
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--------------A8CAB6EEE079E13B261B1634
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A reminder regarding todays

TCD THEORETICAL PHYSICS SEMINAR

Thursday, 22 March 2018, 2:00 pm

Seminar Room, House 20
School of Mathematics
Trinity College Dublin

Speaker: Tim Adamo (Imperial)

Title: Double copy in plane wave backgrounds


Abstract: The double copy is a method for constructing scattering 
amplitudes in gravity from scattering amplitudes in gauge theory, 
perturbatively around Minkowski space. This method has been very useful 
in the study of perturbative supergravity at high loop orders, and even 
has a catchy slogan: Gravity = (Gauge theory)^2. However, it is not 
known if the double copy is an intrinsic feature of gauge theory and 
gravity as perturbative QFTs or just a (highly effective) trick that 
happens to work in Minkowski space. In this talk I will describe how the 
robustness of the double copy can be tested by considering the simplest 
scattering amplitudes in the simplest non-flat backgrounds; namely, 
3-point amplitudes on plane wave backgrounds. Despite various subtleties 
introduced by the non-trivial scattering background, it is clear that a 
notion of double copy does indeed exist.



--------------A8CAB6EEE079E13B261B1634
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A reminder regarding todays 

    

    
TCD THEORETICAL PHYSICS SEMINAR

      

      Thursday, 22 March 2018, 2:00 pm

      

      Seminar Room, House 20

      School of Mathematics 

      Trinity College Dublin

      

      Speaker: Tim Adamo (Imperial)

      

      Title: Double copy in plane wave backgrounds

    

      Abstract: The double copy is a method for constructing
      scattering amplitudes in gravity from scattering amplitudes in
      gauge theory, perturbatively around Minkowski space. This method
      has been very useful in the study of perturbative supergravity at
      high loop orders, and even has a catchy slogan: Gravity = (Gauge
      theory)^2. However, it is not known if the double copy is an
      intrinsic feature of gauge theory and gravity as perturbative QFTs
      or just a (highly effective) trick that happens to work in
      Minkowski space. In this talk I will describe how the robustness
      of the double copy can be tested by considering the simplest
      scattering amplitudes in the simplest non-flat backgrounds;
      namely, 3-point amplitudes on plane wave backgrounds. Despite
      various subtleties introduced by the non-trivial scattering
      background, it is clear that a notion of double copy does indeed
      exist.

    

    

  


--------------A8CAB6EEE079E13B261B1634--

From owner-mathdep LISTSERV.HEANET.IE  Thu Mar 22 11:45:05 2018
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Reply-To:     "Peg.Hanrahan" 
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From:         "Peg.Hanrahan" 
Subject: Maths: MACSI Seminar: The Effectiveness of Recommender Systems, Friday 23rd March 2018, University of Limerick
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Content


MACSI


The department of Mathematics and Statistics at the University of Limerick =
invites you to a seminar by Dr Aonghus Lawlor (University College Dublin):

Title:   The Effectiveness of Recommender Systems.


Abstract: The Effectiveness of Recommender Systems Recommender Systems are =
ubiquitous in many areas of e-commerce and have become essential for many o=
nline activities such as movies, books, consumer devices, fashion, travel, =
etc. In this talk I will summarise some of our recent work in Recommender S=
ystems, with a particular focus on building explainable recommendations. Ex=
planations accompany the recommendation and provide additional information =
to the user about how the recommendation was arrived at. Building explainab=
le recommender systems is an increasingly important challenge, not only bec=
ause they are known to increase the likelihood of acceptance by the user, b=
ut also because there is upcoming legislation which will give users rights =
to accurate and fair explanations. My work has focused on building explaina=
ble recommender systems, but little is known about the effect of recommende=
r systems on the choices that users make about products, or content. This p=
roblem is increasingly important in the diffusion of information over socia=
l networks which is often driven or controlled in part by recommender syste=
ms. All sort of difficulties are encountered in studying how recommender sy=
stems affect the diffusion of information over the network- the context, ne=
twork effects, community structure, timing and dynamics, saturation points =
, are all important features. If we can exploit this information we can bui=
ld better recommender systems, and more importantly, new and better ways of=
 explaining to the user why the recommendation was made. These explanations=
 go beyond the usual attempts to explain the details of the model, and expl=
ain something more global about the adoption patterns of the recommendation=
s.

This seminar will take place on Friday 23rd March, at 4p.m, in  Room A2-002=
.


If you have any questions regarding this seminar, please direct them to Iai=
n Moyles (061 233726, iain.moyles ul.ie).
A full list of upcoming seminars can be found at http://www.ulsites.ul.ie/m=
acsi/node/48011

---------------------------------------------------------------------------=
-
Supported by Science Foundation Ireland funding, MACSI - the Mathematics Ap=
plications Consortium for Science and Industry (www.macsi.ul.ie), centred at the University of Limerick, is dedicated to the m=
athematical modelling and solution of problems which arise in science, engi=
neering and industry in Ireland.

Peg Hanrahan
MACSI Administrator
Department of Mathematics & Statistics
University of Limerick
Telephone: 353 61 213013
e-mail peg.hanrahan ul.ie



--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F933637E7exMbx3ulcampus_
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Content


 


 


MACSI=



 


 


The department of Mat=
hematics and Statistics at the University of Limerick invites you to a semi=
nar by Dr Aonghus Lawlor (University College Dublin):


 


Title:<=
span style=3D"font-size:12.0pt;font-family:"Times New Roman",seri=
f;mso-fareast-language:EN-IE">   The Effectiveness of Recommender
 Systems.


 


 


Abstract: The Effectiveness of Recommender
 Systems Recommender Systems are ubiquitous in many areas of e-commerce and=
 have become essential for many online activities such as movies, books, co=
nsumer devices, fashion, travel, etc. In this talk I will summarise some of=
 our recent work in Recommender
 Systems, with a particular focus on building explainable recommendations. =
Explanations accompany the recommendation and provide additional informatio=
n to the user about how the recommendation was arrived at. Building explain=
able recommender systems is an increasingly
 important challenge, not only because they are known to increase the likel=
ihood of acceptance by the user, but also because there is upcoming legisla=
tion which will give users rights to accurate and fair explanations. My wor=
k has focused on building explainable
 recommender systems, but little is known about the effect of recommender s=
ystems on the choices that users make about products, or content. This prob=
lem is increasingly important in the diffusion of information over social n=
etworks which is often driven or
 controlled in part by recommender systems. All sort of difficulties are en=
countered in studying how recommender systems affect the diffusion of infor=
mation over the network- the context, network effects, community structure,=
 timing and dynamics, saturation
 points , are all important features. If we can exploit this information we=
 can build better recommender systems, and more importantly, new and better=
 ways of explaining to the user why the recommendation was made. These expl=
anations go beyond the usual attempts
 to explain the details of the model, and explain something more global abo=
ut the adoption patterns of the recommendations.


 


This seminar will take place
 on Friday 23rd March, at 4p.m, in  Room A2-002.


 


 


If you have any questions regarding th=
is seminar, please direct them to Iain Moyles (061
 233726, iain.moyles ul.ie).



A full list of upcoming seminars can b=
e found at
http://www.ulsites.ul.ie/macsi/=
node/48011


 


--------------------------------------=
--------------------------------------


Supported by Science Foundation Irelan=
d funding, MACSI - the Mathematics Applications
 Consortium for Science and Industry (www.macsi.ul=
.ie),
 centred at the University of Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.


 


Peg Hanrahan

MACSI Administrator

Department of Mathematics & Statistics

University of Limerick

Telephone: 353 61 213013

e-mail peg.hanrahan ul.ie



&nbs=
p;


 






--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F933637E7exMbx3ulcampus_--

From owner-mathdep LISTSERV.HEANET.IE  Thu Mar 22 14:38:01 2018
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Date:         Thu, 22 Mar 2018 14:37:52 +0000
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From:         Sergey Mozgovoy 
Subject: maths: REMINDER - Dublin Mathematics Colloquium - TODAY
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--001a113fc832b1c35f05680140d4
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Dublin Mathematics Colloquium

Thursday, March 22 at 5:00pm
Synge Theatre, Hamilton Building, TCD

Speaker: Herve Gaussier (Grenoble)

Title: About curvature of domains in the complex Euclidean space

Abstract:
Different generalizations of the Gauss curvature were introduced on
manifolds, in different contexts. We will try to explain, on simple
examples, the links between them for domains in C^n.

--001a113fc832b1c35f05680140d4
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Dublin Mathematics Colloquium 

Thursday, March 22 at 5:00pm
Synge Theatre, H=
amilton Building, TCD

Speaker: Herve Gaussier (Gre=
noble)

Title: About curvature of domains in the co=
mplex Euclidean space

Abstract:
Differen=
t generalizations of the Gauss curvature were introduced on manifolds, in d=
ifferent contexts. We will try to explain, on simple examples, the links be=
tween them for domains in C^n.

=



--001a113fc832b1c35f05680140d4--

From owner-mathdep LISTSERV.HEANET.IE  Fri Mar 23 14:42:05 2018
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Date:         Fri, 23 Mar 2018 14:41:46 +0000
Reply-To:     Seminars Maths NUIG 
Sender:       UCD Maths Department Distribution List 
From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway
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Dear All,

We will have a Seminar Tuesday (March 27) at 4pm in ADB1020.


Coffee/tea/cakes/biscuits will be served in ADB-G022 from 3:30.



Mark Howard

from University of Sheffield

will speak on



=E2=80=9CThe Cost of Tolerating Faults in a Quantum Circuit=E2=80=9D

Abstract. The basic principle of error correction is that we can store and
retrieve information in a way that allows us to tolerate some faults; the
price of achieving this is that we introduce redundancy e.g., a message "0"
gets redundantly encoded as "000". To perform a quantum computation with
imperfect hardware we must use a quantum error correcting code to encode --
and therefore protect -- a state of many quantum bits. Computation is a
dynamic process, however, and we need to manipulate the encoded quantum
information by performing logic gates and measurements. Doing this in a way
that doesn't introduce errors is a much more difficult task than the basic
store-and-retrieve paradigm. This is the central topic of quantum
fault-tolerance. I will review some of the main ideas and then present
recent joint work with Earl Campbell along these lines.



Contact: Michael Mc Gettrick



Hoping to see you all there,



Haixuan and Michael



Future seminars are listed at
http://www.nuigalway.ie/science/school-of-maths/seminars/

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From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 26 08:52:50 2018
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Reply-To:     Manuela Kulaxizi 
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From:         Manuela Kulaxizi 
Subject: maths: DUBLIN THEORETICAL PHYSICS COLLOQUIUM
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> *Dublin Theoretical Physics Colloquium*
>
> *Time*: Wednesday, 28th of March at 16:00 p.m.
>
> *Location*: Synge Lecture Theatre, Westland Row, Trinity College Dublin.
>
> *Speaker*: Constantin Bachas (Ecole Normale Sup=C3=A9rieure, Paris)
>
> *Title: *"Massive AdS gravity from String Theory"
>


> *Abstract:* I will describe a large class of holographic dualities
> relating three-dimensional conformal field theories to four-dimensional
> anti-de Sitter vacua  of string theory. I will then exhibit a mechanism
> by  which  the AdS graviton obtains a mass. This is  the first (top-down)
> example of massive gravity  in an ultraviolet complete theory.
>



> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> Future speakers:
>
4th of April: Giuseppe Pollastro

> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>
>
>
>
> title:: Dublin Theoretical Physics Colloquium
> content:: Constantin Bachas (ENS, Paris) will speak on
>
:: Massive AdS gravity from String Theory
>
date-time::  Wednesday the28th of March at 16:00pm
>
location:: Synge Lecture Theatre, School of Mathematics, Trinity College
> Dublin
> endevent::
>
>

--001a114041aac001aa05684c0e44
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Dublin Theoretical Physics Colloquium
=


Time: Wednesday, 28th of March =
at 16:00 p.m.

Location: Synge Lecture T=
heatre, Westland Row, Trinity College Dublin.

=
Speaker: Constantin Bachas (Ecole Normale Sup=C3=A9rieure, Paris)

Title:=C2=A0"Massive AdS gravity from String T=
heory"
=

=C2=A0
=

Abstract:=C2=A0I will describe a large =
class of holographic dualities
r=
elating three-dimensional=C2=A0confor=
mal field theories to four-dimensional anti-de Sitter vacua=C2=A0 of=C2=A0<=
/span>string theory.=C2=A0I will then exhibit a mechanism by=C2=A0 which=C2=A0 th=
e AdS graviton obtains a=C2=A0mass. T=
his is=C2=A0 the first=C2=A0(top-down)=C2=A0 example of massive gravity=C2=A0 in an ultraviolet =
complete theory.
=


=C2=A0
=

<=
div class=3D"gmail_quote">
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D
Future speakers:=C2=A0=C2=A0 
=

   4th of April: Giuseppe =
Pollastro
=

<=
div class=3D"gmail_quote">
<=
div>
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D




=

title:: Dubli=
n Theoretical Physics Colloquium
content:: Constantin Bachas (ENS, Paris) will speak on =C2=A0
=

<=
div class=3D"gmail_quote">
:: Massive AdS gravity from String Theory
=

date-time::=C2=A0=C2=
=A0Wednesday the28th of March at 16:00pm
=

<=
div dir=3D"ltr">
location=
:: Synge Lecture Theatre, School of Mathematics, Trinity College Dublin
=
endevent::
<=
/div>








Dea=
r All,



We w=
ill have a Seminar Tuesday (March 27) at 4pm in ADB1020.





Coffee/tea/cakes/biscuits will be served in ADB-G022 from 3:30.
<=
font color=3D"#000000" face=3D"Times New Roman" size=3D"3">


=C2=
=A0



Mark=
 Howard=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 



from=
 University of Sheffield



will=
 speak on



=C2=
=A0



=E2=
=80=9CThe Cost of Tolerating
Faults in a Quantum Circuit=E2=80=9D



Abs=
tract. The basic principle
of error correction is that we can store and retrieve information in a way =
that
allows us to tolerate some faults; the price of achieving this is that we
introduce redundancy e.g., a message "0" gets redundantly encoded=
 as
"000". To perform a quantum computation with imperfect hardware w=
e
must use a quantum error correcting code to encode -- and therefore protect=
 --
a state of many quantum bits. Computation is a dynamic process, however, an=
d we
need to manipulate the encoded quantum information by performing logic gate=
s
and measurements. Doing this in a way that doesn't introduce errors is =
a much
more difficult task than the basic store-and-retrieve paradigm. This is the
central topic of quantum fault-tolerance. I will review some of the main id=
eas
and then present recent joint work with Earl Campbell along these lines.



=C2=
=A0



Cont=
act: Michael Mc Gettrick



=C2=
=A0



Hopi=
ng to see you all there,



=C2=
=A0



Haix=
uan and Michael



=C2=
=A0



Futu=
re seminars are listed at=C2=A0http://www.nuigalway.ie/science/school-of-maths/s=
eminars/







--001a114041aac001aa05684c0e44--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 26 11:32:40 2018
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Date:         Mon, 26 Mar 2018 11:32:27 +0100
Reply-To:     Hermann Render 
Sender:       UCD Maths Department Distribution List 
From:         Hermann Render 
Subject: maths: UCD Colloquium on Wednesday 4th April, 4 pm
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--001a113c9cae5d8c9005684e4a14
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

                *UCD School of Mathematics and Statistics Colloquium
Series  *





Dear All



We are happy to continue our COLLOQUIUM  SERIES  this academic year. Please
find below the details of the next  talk:





*SPEAKER:   *Professor John D. Gibbon,  (Imperial College London)



*TITLE:   *Turbulence and the 3D Navier Stokes equations



*TIME *: Wednesday 4th  April  at 16.00 p.m.



*LOCATION *:   Room  S1.67   Science  Centre South, UCD





*COFFEE MEETING *:    Common Room  at 15.15




ABSTRACT:  The regularity of solutions of the 3D incompressible
Navier-Stokes equations remains one of the great open problems in modern
applied mathematics. I will begin my talk by giving a very short summary of
Kolmogorov=E2=80=99s  1941 theory of turbulence before surveying what we kn=
ow about
the Navier-Stokes equations themselves, and where our knowledge breaks
down. In the last part of the talk I will present some new Navier-Stokes
weak solution results that address the issue of whether Richardson=E2=80=99=
s
cascade theory has a finite limit.



 All are welcome!



Kind regards



Hermann Render



--=20
Dr Hermann Render
University College Dublin
School of Mathematics and Statistics
Dublin, Ireland

--001a113c9cae5d8c9005684e4a14
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=C2=A0



=C2=A0
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0UCD School of
Mathematics and Statistics=C2=A0Colloquium Series=C2=A0 



=C2=A0=




=C2=A0



Dear
All=C2=A0



=C2=A0



We ar=
e happy to continue our COLLOQUIUM=C2=A0 SERIES=C2=A0 this academic
year.=C2=A0Please find below the details of the next =C2=A0tal=
k:=C2=A0



=C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0



=
=C2=A0



SPE=
AKER:=C2=A0 =C2=A0Professor John D. Gibbon,=C2=A0 (Imperial
College London) 



=C2=A0=
=C2=A0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0



TIT=
LE:=C2=A0 =C2=A0Turbulence and the 3D
Navier Stokes equations



=
=C2=A0



TIM=
E=C2=A0:=C2=A0Wednesday 4th=C2=A0
April =C2=A0at 16.00 p.m.=C2=A0=C2=A0



=
=C2=A0



LOC=
ATION=C2=A0:=C2=A0=C2=A0=C2=A0Room=C2=A0
S1.67=C2=A0 =C2=A0Science =C2=A0Centre South, UCD=C2=A0



=
=C2=A0



=
=C2=A0



COF=
FEE MEETING=C2=A0:=C2=A0=C2=A0=C2=A0=C2=A0Common Room =C2=A0at 15.15



=
=C2=A0



=
=C2=A0



ABSTRACT: =C2=A0The regularity of solutions of the 3D incompressi=
ble Navier-Stokes
equations remains one of the great open problems in modern applied mathemat=
ics.
I will begin my talk by giving a very short summary of Kolmogorov=E2=80=99s=
=C2=A0 1941
theory of turbulence before surveying what we know about the Navier-Stokes
equations themselves, and where our knowledge breaks down. In the last part=
 of
the talk I will present some new Navier-Stokes weak solution results that
address the issue of whether Richardson=E2=80=99s cascade theory has a fini=
te limit.



=
=C2=A0



=C2=A0=
All are welcome!=C2=A0



=
=C2=A0



Kind r=
egards=C2=A0



=
=C2=A0



Herman=
n Render=C2=A0=C2=A0





-- 
Dr Hermann RenderUniversity College Dublin=C2=A0
School of Mathematics and Statisti=
cs
Dublin, Ireland





--001a113c9cae5d8c9005684e4a14--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 26 11:37:20 2018
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Date:         Mon, 26 Mar 2018 11:37:17 +0100
Reply-To:     Hermann Render 
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From:         Hermann Render 
Subject: maths: UCD Colloquium Talk on Wednesday 4th April, 4pm
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--001a113c9caea63db605684e5bbb
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

 noemail::
title::
=E2=80=8BUCD COLLOQUIUM SERIES =E2=80=8B

content::
=E2=80=8BProfessor
=E2=80=8BJohn D. Gibbon (Imperial College London) will speak on
::  =E2=80=8BTurbulence and the 3D Navier-Stokes equations
 =E2=80=8B
date-time:: Wednes=E2=80=8Bday
=E2=80=8B
=E2=80=8B4th April
 201
=E2=80=8B8=E2=80=8B
  at
=E2=80=8B4=E2=80=8B
.00pm
location:: UCD  Science  South S1.67
endevent::


--=20
Dr Hermann Render
University College Dublin
School of Mathematics and Statistics
Dublin, Ireland

--001a113c9caea63db605684e5bbb
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable





=

noemail::=C2=A0<=
/span>
title::=C2=A0
=E2=80=8BUCD COLLOQUIUM SERIES =E2=80=8B
=

content::=C2=A0
=E2=80=8BProfessor=C2=A0
=E2=80=8B=
John=C2=A0D. Gibbon (Imperial College =
London) will speak on
::=C2=A0 =E2=80=8BTurbulence and the 3D Navier-Stokes equations
=C2=A0=E2=80=8B
date-time:: Wednes=E2=80=8Bday=C2=A0
=
=E2=80=8B
=E2=80=8B4th April=C2=A0
=C2=A0201
=
=E2=80=8B8=E2=80=8B
=C2=A0 at=C2=A0
=E2=80=8B4=E2=80=8B
=
.00pm
location:: UCD=C2=A0 Science=C2=A0=C2=A0South S1.6=
7=C2=A0
<=
span style=3D"color:rgb(34,34,34);font-family:arial,sans-serif;font-style:n=
ormal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:40=
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e;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);tex=
t-decoration-style:initial;text-decoration-color:initial;font-size:12.8px">=
endevent::




-- 
Dr Hermann Render
University College Dublin=C2=
=A0
School of Mathematics and Statistics
Dublin, Ireland<=
/div>





--001a113c9caea63db605684e5bbb--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 26 14:08:22 2018
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Date:         Mon, 26 Mar 2018 14:08:10 +0100
Reply-To:     Peter Taylor 
Sender:       UCD Maths Department Distribution List 
From:         Peter Taylor 
Subject: maths: DCU Maths Colloquium, Wed March 28th, 3:30pm
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--f403043ef2ac3e01dc0568507732
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Dear colleagues,

Details of this week's DCU Maths Colloquium are as follows:

Speaker: Dr. James O'Shea, *DCU*

Title: *Some elementary results in Quadratic Form Theory*
Abstract: I will introduce some of the central notions and topics in the
theory of quadratic forms, and highlight a number of classical and recent
results that admit elementary proofs.


Date: Wednesday 28th March   3:30pm

Location: Nursing Building (H Building) Room HG23
https://www.dcu.ie/info/campus.shtml

All welcome. Tea/coffee/biscuits served in the seminar room at 3:15pm.

Cheers,
Peter.


--=20
Dr. Peter Taylor

Assistant Professor
Center for Astrophysics and Relativity
School of Mathematical Sciences
Dublin City University.
www.taylorexpansion.net

--=20




*S=C3=A9anadh R=C3=ADomhphoist/Email DisclaimerT=C3=A1 an r=C3=ADomhphost s=
eo agus aon chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=
=A1id ag an seola=C3=AD agus sin amh=C3=A1in =C3=A9. Is f=C3=A9idir tuillea=
dh a l=C3=A9amh anseo.  =
This e-mail and any files transmitted with it are confidential and are inte=
nded solely for use by the addressee. Read more here. *


--=20

 =20
=20
=20


--f403043ef2ac3e01dc0568507732
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


<=
div dir=3D"ltr" style=3D"color:rgb(34,34,34);font-family:arial,sans-serif;f=
ont-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-varian=
t-caps:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-t=
ransform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,=
255,255);text-decoration-style:initial;text-decoration-color:initial">Dear colleagues,

Details of this week&=
#39;s DCU Maths Colloquium are as follows:

Speaker: Dr. James O'Shea, DCU
Title:=C2=A0Some elementary results in Quadrat=
ic Form Theory
Abstract:=C2=A0I will introduce some of the centr=
al notions and topics in the theory of quadratic forms, and highlight a num=
ber of classical and recent results that admit elementary proofs.



=C2=A0




=

Date: Wednesday 28=
th March=C2=A0  3:30pm
<=
br>Location: Nursing Building (H Building) Room HG23
http=
s://www.dcu.ie/info/campus.shtml

All welcome. Tea/coffee/bisc=
uits served in the seminar room at 3:15pm.
=

Cheers,

<=
/span>
=


=


=

-- 
Dr=
. Peter Taylor

Assista=
nt Professor
Center for=
 Astrophysics and Relativity
School of Mathematical Sciences
Dublin City University.








S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=

T=C3=A1 an r=C3=ADomhphost seo agus a=
on chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=A1id ag an=
 seola=C3=AD agus sin amh=C3=A1in =C3=A9. Is f=C3=A9idir tuilleadh a l=
=C3=A9amh anseo.=C2=A0
This e-mail and any files transmitted with it are confidential and a=
re intended solely for use by the addressee. Read more here.







--f403043ef2ac3e01dc0568507732--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 26 14:41:06 2018
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Date:         Mon, 26 Mar 2018 14:40:39 +0100
Reply-To:     Thomas Huettemann 
Sender:       UCD Maths Department Distribution List 
From:         Thomas Huettemann 
Subject: maths: British and Irish Geomety Meeting, registration now open
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The British and Irish Geometry Meeting (BI-GeM) will take place on 1st
and 2nd of June 2018 at Queen's University Belfast. The list of speakers
includes:

    Barbara Baumeister, Universität Bielefeld (Germany);
    Jürgen Berndt, University College London (UK);
    Tom Brady, Dublin City University (Ireland);
    John Burns, National University of Ireland in Galway (Ireland);
    Lynn Heller, Universität Hannover (Germany);
    Jarek Kedra, University of Aberdeen (UK);
    Mary Rees, University of Liverpool (UK).


REGISTRATION is now possible at:

http://knock.qub.ac.uk/ecommerce/bigm/



More information can be found on the conference website:

http://go.qub.ac.uk/BI-GEM18



The organisers,

    Thomas Huettemann and Brian McMaster





-- 
Dr. Thomas Huettemann
Mathematical Sciences Research Centre
School of Mathematics and Physics
Queen's University Belfast
Belfast BT7 1NN
Northern Ireland, UK

Phone: +44 (0) 28 9097 1940
Fax:   +44 (0) 28 9097 1541
web:   http://www.qub.ac.uk/puremaths/Staff/Thomas Huettemann/index.html

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 26 15:15:59 2018
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Date:         Mon, 26 Mar 2018 15:15:32 +0100
Reply-To:     Robert Osburn 
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From:         Robert Osburn 
Subject: maths: UCD Algebra and Number Theory Seminar
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UCD Algebra and Number Theory Seminar

Speaker: Neil O’Connell (UCD)

Title: Birational RSK correspondence and Whittaker functions

Abstract: The Robinson-Schensted-Knuth (RSK) correspondence is a combinatorial bijection which plays an important role in the theory of Young tableaux and symmetric functions, particularly in understanding combinatorial aspects of Schur polynomials (Cauchy-Littlewood identity, Littlewood-Richardson rule, etc.). I will give some background on this and then explain how a birational version of the RSK correspondence provides a similar `combinatorial’ framework for the study of GL(n,R)-Whittaker functions.  These functions arise in the context of automorphic forms associated with GL(n,R), and reduce to the classical Whittaker functions in the case n=2.

Date: Thursday, April 5, 2018
Time: 2:00pm
Location: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01

title:: UCD Algebra and Number Theory Seminar
content:: Neil O’Connell (UCD) will speak on
:: Birational RSK correspondence and Whittaker functions
date-time:: Thursday, April 5, 2018 at 2:00pm
location:: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 28 08:36:22 2018
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Date:         Wed, 28 Mar 2018 08:36:04 +0100
Reply-To:     Manuela Kulaxizi 
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From:         Manuela Kulaxizi 
Subject: maths: TODAY - DUBLIN THEORETICAL PHYSICS COLLOQUIUM
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--0000000000004209320568740fbd
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> *Dublin Theoretical Physics Colloquium*
>
> *Time*: Wednesday, 28th of March at 16:00 p.m.
>
> *Location*: Synge Lecture Theatre, Westland Row, Trinity College Dublin.
>
> *Speaker*: Constantin Bachas (Ecole Normale Sup=C3=A9rieure, Paris)
>
> *Title: *"Massive AdS gravity from String Theory"
>


> *Abstract:* I will describe a large class of holographic dualities
> relating three-dimensional conformal field theories to four-dimensional
> anti-de Sitter vacua  of string theory. I will then exhibit a mechanism
> by  which  the AdS graviton obtains a mass. This is  the first (top-down)
> example of massive gravity  in an ultraviolet complete theory.
>



> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> Future speakers:
>
4th of April: Giuseppe Pollastro

> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>
>
>
>
> title:: Dublin Theoretical Physics Colloquium
> content:: Constantin Bachas (ENS, Paris) will speak on
>
:: Massive AdS gravity from String Theory
>
date-time::  Wednesday the 28th of March at 16:00pm
>
location:: Synge Lecture Theatre, School of Mathematics, Trinity College
> Dublin
> endevent::
>
>

--0000000000004209320568740fbd
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable



Dubl=
in Theoretical Physics Colloquium

Time: Wednesday, 28th of March at 16:00 p.m=
.

Location: Synge Lecture Theatre, West=
land Row, Trinity College Dublin.

Speaker: Constantin Bachas (Ecole Normale Sup=C3=A9rieure, Paris)
=

Title:=C2=A0"Mas=
sive AdS gravity from String Theory"
<=
/div>
=C2=A0
<=
div dir=3D"ltr">
Abstract:=C2=A0I will describe a large class =
of holographic dualities
relatin=
g three-dimensional=C2=A0conformal fi=
eld theories to four-dimensional anti-de Sitter vacua=C2=A0 of=C2=A0=
string theory.=C2=A0I will then exhibit a mechanism by=C2=A0 which=C2=A0 the AdS =
graviton obtains a=C2=A0mass. This is=
=C2=A0 the first=C2=A0(top-down)=C2=A0 example of massive gravity=C2=A0 in an ultraviolet comple=
te theory.
<=
br>
=C2=A0
=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Future speakers:=C2=A0=C2=A0=
 
   4th of April: Giuseppe Pollastro
=

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D



title:: D=
ublin Theoretical Physics Colloquium
content:: Constan=
tin Bachas (ENS, Paris) will speak on =C2=A0
<=
/div>
<=
div class=3D"gmail_quote">
:: Massive AdS gravi=
ty from String Theory
<=
/blockquote>
date-time::=C2=A0=C2=A0Wednesday the 28th o=
f March at 16:00pm
<=
/div>
location:: Synge Lecture Theatre, School of Mathematics, Trin=
ity College Dublin
endevent::

<=
/div>












--0000000000004209320568740fbd--

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 28 14:30:06 2018
Return-Path: 
Date:         Wed, 28 Mar 2018 14:29:49 +0100
Reply-To:     Peter Taylor 
Sender:       UCD Maths Department Distribution List 
From:         Peter Taylor 
Subject: maths: Irish Quantum Foundations 2018, May 28th-29th, DCU
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--94eb2c07dc9063a6300568790002
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dear colleagues,

The *Irish Quantum Foundations 2018* meeting will take place *May 28th-29th
at DCU's All Hallows Campus*.

We are delighted to announce the following confirmed list of speakers at
this year's meeting:

   - Alejandra Castro               (University of Amsterdam)
   - Peter Coles                       (Maynooth University and Cardiff
   University)
   - Emmanuel Fort                 (ESPCI)
   - Duncan Haldane               (Princeton University)
   - Sabine Hossenfelder        (Frankfurt Institute of Advanced Studies)
   - Lionel Mason                    (University of Oxford)
   - Ricardo Monteiro              (Queen Mary, University of London)
   - Elizabeth Winstanley        (University of Sheffield)


*Registration for IQF 2018 is now open at:*
https://www.dcu.ie/maths/iqf2018_registration.shtml

Further information can be found on the conference website at:
https://www.dcu.ie/maths/iqf2018.shtml

On behalf of the organizing committee,
Peter Taylor.


*Scientific Organizing Committee*
Brien Nolan (DCU)
Ko Sanders (DCU)
Abraham Harte (DCU)
Peter Taylor (DCU)
Leron Borsten (DIAS)
Graham Kells (DIAS)
Joost Slingerland (Maynooth)
Tristan McLoughlin (TCD)
Barry Wardell (UCD)


--=20
Dr. Peter Taylor

Assistant Professor
Center for Astrophysics and Relativity
School of Mathematical Sciences
Dublin City University.
www.taylorexpansion.net

--=20




*S=C3=A9anadh R=C3=ADomhphoist/Email DisclaimerT=C3=A1 an r=C3=ADomhphost s=
eo agus aon chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=
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dh a l=C3=A9amh anseo.  =
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nded solely for use by the addressee. Read more here. *


--=20

 =20
=20
=20


--94eb2c07dc9063a6300568790002
Content-Type: text/html; charset="UTF-8"
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Dear coll=
eagues,

The Irish Quantum Foundations 2018<=
/b> meeting will take place May 28th-29th at DCU's All Hallows Campu=
s.

We are delighted to announce the following =
confirmed list of speakers at this year's meeting:
  • Alejandra Castro=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0(University of Amsterdam)
  • Peter Coles=C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0(Maynooth Univer=
sity and Cardiff University)
  • Emmanuel Fort=C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0(ESPCI)
  • Duncan Haldane=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0(Princeton University)
  • Sabine Hossenfelder=C2=A0 =
=C2=A0 =C2=A0 =C2=A0 (Frankfurt Institute of Advanced Studies)
  • =
Lionel Mason=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 (University of Oxford)
  • <=
span style=3D"color:rgb(34,34,34);font-family:arial,sans-serif;font-size:sm=
all;font-style:normal;font-variant-ligatures:normal;font-variant-caps:norma=
l;font-weight:400;letter-spacing:normal;text-align:left;text-indent:0px;tex=
t-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(2=
55,255,255);text-decoration-style:initial;text-decoration-color:initial;flo=
at:none;display:inline">Ricardo Monteiro=C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 (Queen Mary, University of London)
  • Elizabeth Winstanley=C2=A0 =C2=A0 =C2=A0 =C2=A0 (U=
niversity of Sheffield)

R=
egistration for IQF 2018 is now open at:

Further information can be found on the conference website at:

On b=
ehalf of the organizing committee,
Peter Taylor.


Scientific Organizing Committee
Br=
ien Nolan (DCU)
Ko Sanders (DCU)
Abraham Harte (DCU)
Peter Taylor (DCU)
Leron Borsten (DIAS)
Graham =
Kells (DIAS)
Joost Slingerland (Maynooth)
Tristan McLou=
ghlin (TCD)
Barry Wardell (UCD)


=

-- 
Dr. Peter Taylor

Assistant Professor
Center for Astrophysics and Relativity
School of Mathematical Sciences
Dublin City University.
<=
div>www.taylorexpansion.net







S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=

T=C3=A1 an r=C3=ADomhphost seo agus a=
on chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=A1id ag an=
 seola=C3=AD agus sin amh=C3=A1in =C3=A9. Is f=C3=A9idir tuilleadh a l=
=C3=A9amh anseo.=C2=A0
This e-mail and any files transmitted with it are confidential and a=
re intended solely for use by the addressee. Read more here.







--94eb2c07dc9063a6300568790002--

From owner-mathdep LISTSERV.HEANET.IE  Fri Mar 30 14:39:36 2018
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Date:         Fri, 30 Mar 2018 09:38:41 -0400
Reply-To:     Colm Mulcahy 
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From:         Colm Mulcahy 
Subject: maths: new blog on Irish Cambridge connections pre 1900
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--089e0823a91c1b88940568a15ed3
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new blog on Irish Cambridge maths connections pre 1900:

http://www.mathsireland.ie/blog/2018_03_cm

It was 62 people until a few hours ago.  Then a new Cavan man born in 1803
came to light.  He's currently numbered 3.5, pending discovery of
additional people who will also need to be added.

Comments and corrections are, as always, welcome .

Colm Mulcahy (Spelman College & UCD)

--089e0823a91c1b88940568a15ed3
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new blog on Irish Cambridge maths connections pre=
 1900:


It was 62 people until a few hours ago.=C2=A0 Then a new C=
avan man born in 1803 came to light.=C2=A0 He's currently numbered 3.5,=
 pending discovery of additional people who will also need to be added.


Comments and corrections are, as always, Colm Mulcahy (Spelman College=C2=A0& UCD)



=



--089e0823a91c1b88940568a15ed3--

From owner-mathdep LISTSERV.HEANET.IE  Fri Mar  1 11:06:07 2019
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Date:         Fri, 1 Mar 2019 11:05:53 +0000
Reply-To:     Mike Peardon 
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From:         Mike Peardon 
Subject: maths: High Performance Computing & Simulation Conference (HPCS 2019), July 15 - 19, 2019, Dublin.
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Dear Colleagues,

Please find below a notice regarding a meeting on HPC/numerical 
simulation, taking place in Dublin this summer. Please circulate this 
notice to colleagues you think might be interested in the conference.

Best regards,
Mike Peardon.

-----------------

Call for Papers and Participation

The 2019 High Performance Computing & Simulation Conference
(HPCS 2019)
The 17th Annual Meeting

July 15 - 19, 2019
Dublin, Ireland

http://hpcs2019.cisedu.info/ or http://conf.cisedu.info/rp/hpcs19


In Cooperation with the ACM, IEEE, IFIP

(Main Track Paper Submission Deadline: March 25, 2019 - Extended)
(Other Conference tracks may have different submission deadlines - 
Please check the specific track of interest at links below.)

You are cordially invited to participate in this international 
conference through paper submission, a track, a workshop or a special 
session organization, a tutorial, an invited speech, a demo, a poster, 
an exhibit, a panel discussion, a doctoral dissertation abstract, 
whichever sounds more appropriate and convenient to you.

The conference will include invited presentations by experts from 
academia, industry, and government as well as contributed paper 
presentations describing original work on the current state of research 
in high performance and large scale computing systems, architectures and 
systems, algorithms, languages, software and middleware in HPC systems, 
Cloud and Edge Computing, Data Sciences, applications-oriented high 
performance, HPC use in modeling and simulation, and related issues. 
There will also be tutorial sessions, symposia, workshops, special 
sessions, demos, posters, panel discussions, doctoral colloquium, and 
exhibits. Conference sponsorships are welcomed.

In addition to the main track, the conference will have many refereed 
archived symposia, workshops and special sessions (may have different 
deadlines): Please see the following lists and check the specific track 
of interest (coming soon). So far we have the following tracks:
Symposia: http://hpcs2019.cisedu.info/2-conference/symposia
Workshops: http://hpcs2019.cisedu.info/2-conference/workshops
Special Sessions: http://hpcs2019.cisedu.info/2-conference/special-sessions


SPECIAL ISSUE
Authors of selected papers will be invited to submit an extended version 
of their work for one or more special issues in ISI indexed Journals.

HPCS Proceedings are published in IEEE XPLORE and indexed by all major 
indexing services including SCOPUS, EI, SCI, dblp, etc.

=================================================================
Important Dates:

Main Track Paper and Poster Paper Submission Deadline - March 25, 2019 - 
Extended
Tutorial/Demo/Panel/Poster Proposal Deadline ---------- March 25, 2019
Main Track Notification of Acceptance starts  --------- April 22, 2019
Registration & Camera-Ready Manuscripts Due ----------- May 10, 2019
Conference Dates -------------------------------------- July 15 - 19, 2019

=================================================================

For further details and updates, please consult the conference web site 
at URL:  http://hpcs2019.cisedu.info/ or 
http://conf.cisedu.info/rp/hpcs19  or contact one of the conference 
organizers.

We look forward to your contributions and to seeing you in Dublin, 
Ireland in July.

Thank you very much. Best Regards.

HPCS 2019 Organizers

-- 
School of Mathematics,
Trinity College Dublin,
Ireland
+353 (0)1 896 1485

From owner-mathdep LISTSERV.HEANET.IE  Fri Mar  1 11:57:24 2019
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Reply-To:     Rafael De Andrade Moral 
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Subject: Maths: Maynooth Colloquium in Mathematics and Statistics
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From owner-mathdep LISTSERV.HEANET.IE  Fri Mar  1 12:37:04 2019
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Reply-To:     Barry Wardell 
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From:         Barry Wardell 
Subject: Two UCD Applied & Computational Mathematics Seminars: March 4th at 1pm
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Dear Colleagues,

Next week there will be *two* seminars as part of the UCD Applied and
Computational Maths Seminar Series . The
seminars will take place next Monday 4th March starting at 1pm.

Coffee, tea & biscuits will be available in the School of Mathematics &
Statistics common room, ground floor, UCD O'Brien Centre for Science
(North) shortly before the seminars.

All are welcome. Details of both seminars follow.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
UCD Applied & Computational Mathematics Seminar
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

*Speaker:* Vakhtang Putkaradze (University of Alberta)
*Time:* Monday, 4th March 2019 at 1pm
*Location: *1.25 SCN, UCD O'Brien Centre for Science (North)
*Title:* Integrability and Chaos in Figure Skating

*Abstract:*
We derive and analyze a three dimensional model of a figure skater. We
model the skater as a three-dimensional body moving in space subject to a
non-holonomic constraint enforcing movement along the skate's direction and
holonomic constraints of continuous contact with ice and pitch constancy of
the skate. For a static (non-articulated) skater, we show that the system
is integrable if and only if the projection of the center of mass on
skate's direction coincides with the contact point with ice and some mild
(and realistic) assumptions on the directions of inertia's axes. The
integrability is proved by showing the existence of two new constants of
motion linear in momenta, providing a new and highly nontrivial example of
an integrable non-holonomic mechanical system. We also consider the case
when the projection of the center of mass on skate's direction does not
coincide with the contact point and show that this non-integrable case
exhibits apparent chaotic behavior, by studying the divergence of nearby
trajectories. We also demonstrate the intricate behavior during the
transition from the integrable to chaotic case. Our model shows many
features of real-life skating, especially figure skating, and we conjecture
that real-life skaters may intuitively use the discovered mechanical
properties of the system for the control of the performance on ice.

*This seminar is part of the School of Mathematics and Statistics
Colloquium series.*

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

*Speaker:* Matthieu Ancellin (University College Dublin)
*Time:* Monday, 4th March 2019 at 2pm
*Location: *1.25 SCN, UCD O'Brien Centre for Science (North)
*Title:* Linear potential flow simulation of wave energy converters

*Abstract:*
Among the models available to describe the interaction of ocean waves with
floating bodies, the linear potential flow theory is one of the simplest
and most widespread. The fluid flow is described by a Laplace problem with
linear boundary conditions which can be solved using the Boundary Elements
Method. The code Nemoh is the only open source solver for this problem,
among several commercial codes. It has been developed at the =C3=89cole Cen=
trale
de Nantes since the 1970s and has been released as open source in 2014.
During this talk, the theory behind the code will be presented and its
modernization and its optimization will be discussed.

We are interested by the application to marine renewable energy and in
particular for the design of Wave Energy Converters (WEC). Its application
to two different designs of WEC will be presented: a rigid hinge-barge and
a flexible bulging cylinder. The former can be modeled using rigid-body
dynamics to estimate the power it could extract from incoming ocean waves.
For the latter, the dynamics is more complex and only a upper bound based
on its far-field radiation behavior will be discussed.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Best wishes,
Barry Wardell

title:: UCD ACM Seminar
date-time:: Monday, 4th March 2019 at 1pm
location:: 1.25 SCN, UCD O'Brien Centre for Science (North)
content:: Vakhtang Putkaradze (University of Alberta) and Matthieu Ancellin
(University College Dublin) will speak on
:: "Integrability and Chaos in Figure Skating" and "Linear potential flow
simulation of wave energy converters"
endevent::

--0000000000005d722e058307a919
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


Dear Colleagues,
<=
div dir=3D"ltr">

Next week ther=
e will be=C2=A0two=C2=A0seminars=C2=A0as part of the UCD=C2=A0Applied=C2=A0and =
Computational Maths=C2=A0Seminar=C2=A0Series <http://maths.ucd.ie/ACMSeminars/>. Th=
e seminars will take place next Monday 4th March starting at 1pm.

Coffee, tea & biscuits will be available in the School =
of Mathematics & Statistics common room, ground floor, UCD O'Brien =
Centre for Science (North) shortly before the seminars.

All are welcome. Details of both=C2=A0seminars=C2=A0follow.=


=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Applied=C2=A0&=C2=A0Comp=
utational=C2=A0Mathematics=C2=A0Seminar=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D

Speaker:=
=C2=A0Va=
khtang Putkaradze=C2=A0(University of Alberta)
Time:=C2=A0Monday, 4th March=
 2019 at 1pm
Location:=C2=A01.25 SCN, UCD O'Brien Centre for Science (N=
orth)
Title:=C2=A0Integrability and Chaos in =
Figure Skating

Abstract:
<=
div>
We derive and analyze a three dimensional model of a figure skater=
. We model the skater as a three-dimensional body moving in space subject t=
o a non-holonomic constraint enforcing movement along the skate's direc=
tion and holonomic constraints of continuous contact with ice and pitch con=
stancy of the skate. For a static (non-articulated) skater, we show that th=
e system is integrable if and only if the projection of the center of mass =
on skate's direction coincides with the contact point with ice and some=
 mild (and realistic) assumptions on the directions of inertia's axes. =
The integrability is proved by showing the existence of two new constants o=
f motion linear in momenta, providing a new and highly nontrivial example o=
f an integrable non-holonomic mechanical system. We also consider the case =
when the projection of the center of mass on skate's direction does not=
 coincide with the contact point and show that this non-integrable case exh=
ibits apparent chaotic behavior, by studying the divergence of nearby traje=
ctories. We also demonstrate the intricate behavior during the transition f=
rom the integrable to chaotic case. Our model shows many features of real-l=
ife skating, especially figure skating, and we conjecture that real-life sk=
aters may intuitively use the discovered mechanical properties of the syste=
m for the control of the performance on ice.

Th=
is seminar is part of the School of Mathematics and Statistics Colloquium s=
eries.

=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D

Speaker:=C2=A0Matthieu Ancellin=C2=A0(University College D=
ublin)
Time:=C2=A0Monday, 4th M=
arch 2019 at 2pm
Location:=C2=
=A01.25 SCN, UCD O'Brien Centre for Sc=
ience (North)
Title:=C2=A0Linear potential fl=
ow simulation of wave energy converters

Abstract:<=
/font>
Among the models available to describ=
e the interaction of ocean waves with floating bodies, the linear potential=
 flow theory is one of the simplest and most widespread. The fluid flow is =
described by a Laplace problem with linear boundary conditions which can be=
 solved using the Boundary Elements Method. The code Nemoh is the only open=
 source solver for this problem, among several commercial codes. It has bee=
n developed at the =C3=89cole Centrale de Nantes since the 1970s and has be=
en released as open source in 2014. During this talk, the theory behind the=
 code will be presented and its modernization and its optimization will be =
discussed.

We are interested by the application to=
 marine renewable energy and in particular for the design of Wave Energy Co=
nverters (WEC). Its application to two different designs of WEC will be pre=
sented: a rigid hinge-barge and a flexible bulging cylinder. The former can=
 be modeled using rigid-body dynamics to estimate the power it could extrac=
t from incoming ocean waves. For the latter, the dynamics is more complex a=
nd only a upper bound based on its far-field radiation behavior will be dis=
cussed.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D
Best wishes,
=
Barry Wardell
=

title:: UCD ACM=C2=A0Seminar
date-time::=C2=A0=
Monday, 4th March 2019 at 1pm
location:: 1.25 SCN, UCD O'Brien Centre for Science (North)
content::=C2=A0<=
/font>Vakhtang Putkaradze=C2=A0(University of=
 Alberta)=C2=A0and=C2=A0Matthie=
u Ancellin (University College Dublin)=C2=A0will speak on
:=
: "Integrability and Chaos=
 in Figure Skating" and "Linear potentia=
l flow simulation of wave energy converters"
endevent::
=

=

=



--0000000000005d722e058307a919--

From owner-mathdep LISTSERV.HEANET.IE  Sun Mar  3 10:11:53 2019
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Date:         Sun, 3 Mar 2019 10:11:32 +0000
Reply-To:     Kazim Buyukboduk 
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From:         Kazim Buyukboduk 
Subject: maths: UCD Algebra and Number Theory Seminar (March 7)
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--000000000000ecd80b05832dddb7
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UCD Algebra and Number Theory Seminar


*Speaker:* Fabian Januszewski 
(Karlsruhe)
*Title:* Arithmetic of special L-values

*Abstract:* The study of special values of L-functions has a long history
in number theory. While the Langlands Programme provides us with powerful
tools for the analytic study of L-functions, the arithmetic information we
are seeking to extract from L-functions appears to be encoded in their
special values. In this talk I will discuss classical examples alongside
with recent results on rather general class of L-functions.

*Date:* Thursday, March 7, 2019
*Time:* 2:00pm
*Location:* Room 1.25, O=E2=80=99Brien Centre for Science (North) (map

)

title:: UCD Algebra and Number Theory Seminar
content:: Fabian Januszewski (Karlsruhe) will speak on
:: Arithmetic of special L-values
date-time:: Thursday, March 7, 2019 at 2:00pm
location:: Room 1.25, O=E2=80=99Brien Centre for Science (North)
endevent::

--000000000000ecd80b05832dddb7
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


UCD Algebra and Number Theory Semi=
nar

Speaker:=C2=A0Fab=
ian Januszewski (Karlsruhe)
Title:=
=C2=A0Arithmetic of special L-values

Abstract:=
=C2=A0The study of special values of L-functions has a long history in =
number theory. While the Langlands Programme provides us with powerful tool=
s for the analytic study of L-functions, the arithmetic information we are =
seeking to extract from L-functions appears to be encoded in their special =
values. In this talk I will discuss classical examples alongside with recen=
t results on rather general class of L-functions.
Date:=C2=A0Thursday, March 7, 2019
Time:=C2=A02:00pm
Location:=C2=A0Room 1.25, O=E2=80=99Bri=
en Centre for Science (North) (map)

title:: UCD Algebra and Number Theory Seminar
content::=C2=A0Fabian Januszewski (Karlsruhe)=C2=A0w=
ill speak on
::=C2=A0Arithmetic of special L-values
date-time:: Thurs=
day, March 7, 2019 at 2:00pm
location::=C2=A0Room 1.25, O=E2=80=99Brien Centre=
 for Science (North)
endevent::






--000000000000ecd80b05832dddb7--

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Date:         Sun, 3 Mar 2019 20:00:08 +0000
Reply-To:     "Ellis, Grahamj" 
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Subject: maths: Lectureship at NUI Galway
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Lectureship in Mathematics (closing date 12 April 2019).


The School of Mathematics, Statistics and Applied Mathematics at NUI Galway is seeking to appoint a permanent lecturer in Mathematics. We are looking to broaden our mathematics research and teaching portfolio in a way that will build on, and complement, our existing strengths.

The appointee will contribute to teaching, graduate supervision, and research activities within the School, and will be expected to take a leading role in curriculum design and development. The School runs a range of undergraduate and taught postgraduate programmes across the mathematical sciences, including shared interdisciplinary degree programmes in Financial Mathematics & Economics and in Mathematics & Education. It also runs a vibrant PhD programme. The appointment is aligned to the de Brn Centre for Mathematics within the School, which fosters research and graduate training in the areas of analysis, algebra, geometry and topology.

The responsibilities of this post will include contributions to the delivery and management of our Mathematics programmes including the BSc in Financial Mathematics and Economics.

Further details can be found at  http://www.nuigalway.ie/about-us/jobs/#

For details on the de Brun Centre for Mathematics please see http://hamilton.nuigalway.ie/dbcm/



Graham

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar  4 09:45:39 2019
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Reply-To:     Seminars Maths NUIG 
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From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway (Thursday March 7): On the Riordan Group and the almost-Riordan Group
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Dear All,

We will have a Seminar Thursday (March 7) at 4pm in ADB1020.


Coffee/tea/cakes/biscuits will be served in ADB-G022 from 3:30.



Nikolaos Pantelidis
from Waterford Institute of Technology

 will speak on



=E2=80=9COn the Riordan Group and the almost-Riordan Group=E2=80=9D

Abstract: A Riordan array is a lower triangular infinite matrix,
constructed by two formal power series in such a way that each of the
columns is generated by them, and the elements of the matrix can be
determined by a recursive formula. Objects that can be expressed by a
sequence of integers are used to construct Riordan arrays, such as
Fibonacci or Catalan numbers. The area of Riordan arrays has been
researched since the early 1990s and applications of them have been found
in many areas of computing such as algorithm analysis, error correcting
codes and wireless communications. Additionally, Riordan arrays have been
used in different scientific areas beyond the borders of Mathematics as
parts of their theory and techniques have been successfully applied in
Molecular Biology for RNA secondary structure enumeration and Chemistry.



In this talk, we are going to discuss some of the current research in the
field of Riordan arrays. More precisely, we show new findings on the
algebraic structure of the main group of Riordan arrays, and relations
between already known Riordan subgroups. Additionally, we present the group
of almost-Riordan arrays and some of its properties.



Contact: Kevin Jennings



Hoping to see you all there,



Haixuan and Michael



Future seminars are listed at
http://www.nuigalway.ie/science/school-of-maths/seminars/

--000000000000fa66f60583419d6c
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable





Dea=
r All,



We w=
ill have a Seminar Thursday (March 7) at 4pm in ADB1020.





Coffee/tea/cakes/biscuits will be served in ADB-G022 from 3:30.
<=
font color=3D"#000000" face=3D"Times New Roman" size=3D"3">


=C2=
=A0



Niko=
laos Pantelidis =C2=A0

from Waterford Institute of Technology



=C2=A0will speak on 



=C2=
=A0



=E2=
=80=9COn the Riordan Group and the
almost-Riordan Group=E2=80=9D



Abst=
ract: A Riordan array is
a lower triangular infinite matrix, constructed by two formal power series =
in
such a way that each of the columns is generated by them, and the elements =
of
the matrix can be determined by a recursive formula. Objects that can be
expressed by a sequence of integers are used to construct Riordan arrays, s=
uch
as Fibonacci or Catalan numbers. The area of Riordan arrays has been resear=
ched
since the early 1990s and applications of them have been found in many area=
s of
computing such as algorithm analysis, error correcting codes and wireless
communications. Additionally, Riordan arrays have been used in different
scientific areas beyond the borders of Mathematics as parts of their theory=
 and
techniques have been successfully applied in Molecular Biology for RNA
secondary structure enumeration and Chemistry.



=C2=
=A0



In t=
his talk, we are going to
discuss some of the current research in the field of Riordan arrays. More
precisely, we show new findings on the algebraic structure of the main grou=
p of
Riordan arrays, and relations between already known Riordan subgroups.
Additionally, we present the group of almost-Riordan arrays and some of its
properties.



=C2=
=A0



Cont=
act: Kevin Jennings



=C2=A0



Hopi=
ng to see you all there,



=C2=
=A0



Haix=
uan and Michael



=C2=
=A0



Futu=
re seminars are listed at=C2=A0http://www.nuigalway.ie/science/school-of-maths/s=
eminars/




=C2=A0=






--000000000000fa66f60583419d6c--

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Date:         Mon, 4 Mar 2019 11:27:44 +0000
Reply-To:     Kwok Chuen Wong 
Sender:       UCD Maths Department Distribution List 
From:         Kwok Chuen Wong 
Subject: DCU Mathematical Finance Seminar - Nizar Touzi (Ecole Polytechnique)
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Dear colleagues,

We will have Mathematical Finance seminar on Friday (March 8).

Everybody welcome,

Ryan

title:: DCU Math Finance (Nizar Touzi, Ecole Polytechnique)
content:: Title of talk: Optimal make-take fees for market making regulatio=
n
:: We address the mechanism design problem of an exchange setting suitable
make-take fees to attract liquidity on its platform.
:: Using a principal-agent approach, we provide the optimal compensation
scheme of a market maker in quasi-explicit form.
:: This contract depends essentially on the market maker inventory
trajectory and on the volatility of the asset.
:: We also provide the optimal quotes that should be displayed by the
market maker.
:: The simplicity of our formulas allows us to analyze in details the
effects of optimal contracting with an exchange,
:: compared to a situation without contract.
:: We show in particular that it improves liquidity and reduces trading
costs for investors.
:: We extend our study to an oligopoly of symmetric exchanges and we
studied the impact of such common agency policy on the system.

date-time:: 8th March at 11:00am
location:: DCU Business School, Q119
endevent::


--=20
Kwok Chuen Wong, Ryan
Assistant Professor in Financial Mathematics
School of Mathematical Sciences, Dublin City University
X136, Lonsdale Building, Glasnevin, Dublin 9, Ireland
Tel: +353 1 7005291
Email: kwokchuen.wong dcu.ie

--=20
*

*S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer*

*T=C3=A1 an r=C3=ADomhphost seo agus aon=20
chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=A1id ag an se=
ola=C3=AD agus sin=20
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*

*This e-mail and any=20
files transmitted with it are confidential and are intended solely for use=
=20
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*



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  =20
=20
=20


--000000000000b7b7900583430ddb
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Dear colleagues,

We will have Math=
ematical Finance seminar on Friday (March 8).

Everybody welcome,
=

Ryan

title:: DCU Math Finance (Nizar Touzi, Ecole Polytechnique)=

content:: Title of talk: Optimal make-take fees for market making regul=
ation
:: We address the mechanism design problem of an exchange setting =
suitable make-take fees to attract liquidity on its platform. 
:: Using =
a principal-agent approach, we provide the optimal compensation scheme of a=
 market maker in quasi-explicit form. 
:: This contract depends essentia=
lly on the market maker inventory trajectory and on the volatility of the a=
sset. 
:: We also provide the optimal quotes that should be displayed by=
 the market maker. 
:: The simplicity of our formulas allows us to analy=
ze in details the effects of optimal contracting with an exchange, 
:: c=
ompared to a situation without contract.
:: We show in particular that i=
t improves liquidity and reduces trading costs for investors. 
:: We ext=
end our study to an oligopoly of symmetric exchanges and we studied the imp=
act of such common agency policy on the system.

date-time:: 8th Marc=
h at 11:00am
location:: DCU Business School, Q119
endevent::


-- 
=

Kwok Chuen Wong, Ryan
Assistant Professor in Financial M=
athematics
School of Mathematica=
l Sciences, Dublin City University
X136, Lonsdale Buil=
ding, Glasnevin, Dublin 9, Ireland
Tel: +353 1 7005291
Email: kwokchuen.wong dcu.ie





S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=

T=C3=A1 an r=C3=ADomhphost seo agus a=
on chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=A1id ag an=
 seola=C3=AD agus sin amh=C3=A1in =C3=A9. Is f=C3=A9idir tuilleadh a l=
=C3=A9amh anseo.=C2=A0
This e-mail and any files transmitted with it are confidential and a=
re intended solely for use by the addressee. Read more here.







--000000000000b7b7900583430ddb--

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Date:         Mon, 4 Mar 2019 12:02:28 +0000
Reply-To:     "Compelli, Alan" 
Sender:       UCD Maths Department Distribution List 
From:         "Compelli, Alan" 
Subject: Maths: UCC Applied Mathematics Seminar, Thursday 7 March
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--_000_DB6PR0202MB2918600B991DCC552EF19CBF9C710DB6PR0202MB2918_
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Dear Colleagues,

All are welcome at the following seminar:


UCC Applied Mathematics Seminar

Speaker: Kirk Soodhalter (Trinity College Dublin)

Time and location: 12pm, Thursday 7 March, WGB G02

Title: Describing and prescribing convergence behavior of block GMRES

Abstract: Solution of systems of linear equations (i.e., A(x_{0}+t)=3Db) re=
presents the most computationally intensive task of many problems in comput=
ational science. When the matrices are large (with millions or even billion=
s of unknowns) and sparse (most entries are zero), matrix-free methods are =
often the most viable choice for solving such systems. Some of the most suc=
cessful matrix-free methods are Krylov subspace methods, which are efficien=
t methods based upon constructing a subspace of polynomials of the matrix t=
imes a starting vector.

This space is built iteratively and an approximation to t is chosen uniquel=
y from the space according to an appropriate constraint. In the celebrated =
Generalized Minimum Residual Method (GMRES), one takes v=3Db-Ax_{0} and com=
putes the approximation which minimizes |b-A(x_{0}+t_{j})|. The GMRES metho=
d can be implemented quite efficiently. Despite its relative simplicity, th=
e behavior and effectiveness of this method for specific problems is the su=
bject of continuing study and analysis.

In this talk, we will review some of the more prominent and interesting res=
ults regarding the behavior of GMRES. We will then present a generalization=
 of GMRES, which was proposed for solving multiple linear systems which all=
 have the same coefficient matrix, called block GMRES. This method efficien=
tly builds Krylov subspaces for all systems simultaneously and selects mini=
mizers for each problem over the sum of these subspaces. Block GMRES initia=
lly seemed quite promising but the increased computational cost was judged =
to exceed the benefits such methods could offer. However, with the advent o=
f large-scale parallel computing environments, methods like block GMRES are=
 again receiving attention. Thus, there is a need to better understand the =
behavior and effectiveness of this method.

We present new convergence results based on a different mathematical interp=
retation of block GMRES, wherein we now interpret our matrix and multiple l=
inear systems as being a single linear system over a *-ring of complex matr=
ices. With this interpretation, one can carefully extend many existing GMRE=
S results to the block GMRES setting. We give an overview of these new resu=
lts.

 ---------------------

Dr Alan Compelli
Postdoctoral Researcher
School of Mathematical Sciences
University College Cork
Ireland

+353 21 420 5813

title:: UCC Applied Maths Seminar
date-time:: Thursday 7 March AT 12pm
location:: WGB G02
content:: Kirk Soodhalter
:: (Trinity College Dublin)
:: presents a talk entitled
:: "Describing and prescribing convergence behavior of block GMRES"
endevent::


--_000_DB6PR0202MB2918600B991DCC552EF19CBF9C710DB6PR0202MB2918_
Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable











Dear Co=
lleagues, 





All are welcome at the following seminar: 


 


UCC&=
nbsp;Applied Mathematics Seminar



 <=
/span>


Spea=
ker: Kirk Sood=
halter (Trinity College Dublin)




Time and location: 12pm, Thursday 7 March, WGB G02=





Title: Describing and prescribing convergence behavior of block G=
MRES




Abstract: Solution =
of systems of linear equations (i.e., A(x_{0}+t)=3Db) represents the mo=
st computationally intensive task of many problems in computational science=
. When the matrices are large (with millions
 or even billions of unknowns) and sparse (most entries are zero), matrix-f=
ree methods are often the most viable choice for solving such systems. Some=
 of the most successful matrix-free methods are Krylov subspace methods, wh=
ich are efficient methods based
 upon constructing a subspace of polynomials of the matrix times a starting=
 vector.


&n=
bsp;


This sp=
ace is built iteratively and an approximation to t is chosen uniquely from =
the space according to an appropriate constraint. In the celebrated General=
ized Minimum Residual Method (GMRES),
 one takes v=3Db-Ax_{0} and computes the approximation which minimizes |b-A=
(x_{0}+t_{j})|. The GMRES method can be implemented quite efficiently. =
Despite its relative simplicity, the behavior and effectiveness of this met=
hod for specific problems is the subject
 of continuing study and analysis. 


&n=
bsp;


In this=
 talk, we will review some of the more prominent and interesting results re=
garding the behavior of GMRES. We will then present a generalization of GMR=
ES, which was proposed for solving multiple
 linear systems which all have the same coefficient matrix, called block GM=
RES. This method efficiently builds Krylov subspaces for all systems simult=
aneously and selects minimizers for each problem over the sum of these subs=
paces. Block GMRES initially seemed
 quite promising but the increased computational cost was judged to exceed =
the benefits such methods could offer. However, with the advent of large-sc=
ale parallel computing environments, methods like block GMRES are again rec=
eiving attention. Thus, there is
 a need to better understand the behavior and effectiveness of this method.=



&n=
bsp;


We pres=
ent new convergence results based on a different mathematical interpretatio=
n of block GMRES, wherein we now interpret our matrix and multiple linear s=
ystems as being a single linear system
 over a *-ring of complex matrices. With this interpretation, one can caref=
ully extend many existing GMRES results to the block GMRES setting. We give=
 an overview of these new results.


 


 ---------------------


 


Dr Alan Compelli

Postdoctoral Researcher

School of Mathematical Sciences

University College Cork

Ireland



+353 21 420 5813


 


title:: U=
CC
Applied 
Maths Seminar

date-time:: Thursday 7 March AT 12pm

location:: WGB G02

content:: Kirk Soodhalter


:: (Trini=
ty College Dublin)


:: presen=
ts a talk entitled

:: "Describing and prescribing convergence behavior of block GMRES"


endevent::


 






--_000_DB6PR0202MB2918600B991DCC552EF19CBF9C710DB6PR0202MB2918_--

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Reply-To:     Abraham Harte 
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Subject: DCU maths sciences colloquium
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--000000000000f684630583467051
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*Speaker*: Kirk Soodhalter (TCD)

*Title*: Describing and prescribing convergence behavior of block GMRES

*Abstract*:  Solutions of systems of linear equations (i.e., A (x_{0} + t)
=3D b) represent the most computationally intensive task of many problems i=
n
computational science. When the matrices are large (with millions or even
billions of unknowns) and sparse (most entries are zero), matrix-free
methods are often the the most viable choice for solving such systems. Some
of the most successful matrix-free methods are Krylov subspace methods,
which are efficient methods based upon constructing a subspace of
polynomials of the matrix times a starting vector, i.e.,

\mathcal{K}_j (A,v) =3D span ( v, Av, A^2v, \ldots, A^{j-1}v ).

This space is built iteratively and an approximation to t is chosen
uniquely from the space according to an appropriate constraint. In the
celebrated
Generalized Minimum Residual Method (GMRES), one takes v =3D b - A x_{0} an=
d
computes the approximation t_{j} \in \mathcal{K}_{j} (A,v) which minimizes
\| b - A(x_{0} + t_{j}) \|.  The GMRES method can be implemented quite
efficiently.  Despite its relative simplicity, the behavior and
effectiveness of this method for specific problems is the subject of
continuing study and analysis.

In this talk, we will review some of the more prominent and interesting
results regarding the behavior of GMRES.  We will then present a
generalization of GMRES, which was proposed for solving multiple linear
systems which all have the same coefficient matrix, called block GMRES.
This method efficiently builds Krylov subspaces for all systems
simultaneously and selects minimizers for each problem over the sum of
these subspaces.  Block GMRES initially seemed quite promising but the
increased computational cost was judged to exceed the benefits such methods
could offer.  However, with the advent of large-scale parallel computing
environments, methods like block GMRES are again receiving attention.
Thus, there is a need to better understand the behavior and effectiveness
of this method.

We present new convergence results based on a different mathematical
interpretation of block GMRES, wherein we now interpret our matrix and
multiple linear systems as being a single linear system over a *-ring of
complex matrices. With this interpretation, one can carefully extend many
existing GMRES results to the block GMRES setting. We give an overview of
these new results.

*Location*: Wednesday, March 6, 2019 at 3pm in XG22, DCU

title:: DCU Maths Colloquium
content::  Kirk Soodhalter (TCD) will speak on
::     Describing and prescribing convergence behavior of block GMRES
date-time:: Wednesday 6th March, 2019 at 3pm
location:: XG22, DCU
endevent:

--=20
*

*S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer*

*T=C3=A1 an r=C3=ADomhphost seo agus aon=20
chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=A1id ag an se=
ola=C3=AD agus sin=20
amh=C3=A1in =C3=A9. Is f=C3=A9idir tuilleadh a l=C3=A9amh anseo.=C2=A0=20
*

*This e-mail and any=20
files transmitted with it are confidential and are intended solely for use=
=20
by the addressee. Read more here.=20
*



*

--=20

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--000000000000f684630583467051
Content-Type: text/html; charset="UTF-8"
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Speaker: Kirk Soodhalter (TCD)

Title:=
=C2=A0Describing and prescribing convergence behavior of block GMRES
Abstract:=C2=A0=C2=A0Solutions of systems of linear equations (i.e.=
, A (x_{0} + t) =3D b) represent the most computationally intensive task of=
 many problems in computational science. When the matrices are large (with =
millions or even billions of unknowns) and sparse (most entries are zero), =
matrix-free methods are often the the most viable choice for solving such s=
ystems. Some of the most successful matrix-free methods are Krylov subspace=
 methods, which are efficient methods based upon constructing a subspace of=
 polynomials of the matrix times a starting vector, i.e.,

	\mathcal{=
K}_j (A,v) =3D span ( v, Av, A^2v, \ldots, A^{j-1}v ).
=C2=A0=C2=A0
T=
his space is built iteratively and an approximation to t is chosen uniquely=
 from the space according to an appropriate constraint. In the celebrated <=
br>Generalized Minimum Residual Method (GMRES), one takes v =3D b - A x_{0}=
 and computes the approximation t_{j} \in \mathcal{K}_{j} (A,v) which minim=
izes
\| b - A(x_{0} + t_{j}) \|.=C2=A0 The GMRES method can be implement=
ed quite efficiently.=C2=A0 Despite its relative simplicity, the behavior a=
nd effectiveness of this method for specific problems is the subject of con=
tinuing study and analysis. 

In this talk, we will review some of th=
e more prominent and interesting results regarding the behavior of GMRES.=
=C2=A0 We will then present a generalization of GMRES, which was proposed f=
or solving multiple linear systems which all have the same coefficient matr=
ix, called block GMRES.=C2=A0 This method efficiently builds Krylov subspac=
es for all systems simultaneously and selects minimizers for each problem o=
ver the sum of these subspaces.=C2=A0 Block GMRES initially seemed quite pr=
omising but the increased computational cost was judged to exceed the benef=
its such methods could offer.=C2=A0 However, with the advent of large-scale=
 parallel computing environments, methods like block GMRES are again receiv=
ing attention.=C2=A0 Thus, there is a need to better understand the behavio=
r and effectiveness of this method.

We present new convergence resul=
ts based on a different mathematical interpretation of block GMRES, wherein=
 we now interpret our matrix and multiple linear systems as being a single =
linear system over a *-ring of complex matrices. With this interpretation, =
one can carefully extend many existing GMRES results to the block GMRES set=
ting. We give an overview of these new results.

<=
/div>
Location:=C2=A0Wednesday, March 6, 2019 at 3pm=
 in XG22, DCU=C2=A0=C2=A0

title:: DCU Maths Colloquium
content:=
: =C2=A0Kirk Soodhalter (TCD) will speak on
::=C2=A0 =C2=A0=C2=A0

Describing and prescribing convergence behavior of block GMRES=C2=A0=C2=A0 =
=C2=A0=C2=A0
date-time:: Wednesday 6th March, 2019 at 3pm
location:: =
XG22, DCU
endevent:=C2=A0





S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=

T=C3=A1 an r=C3=ADomhphost seo agus a=
on chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=A1id ag an=
 seola=C3=AD agus sin amh=C3=A1in =C3=A9. Is f=C3=A9idir tuilleadh a l=
=C3=A9amh anseo.=C2=A0
This e-mail and any files transmitted with it are confidential and a=
re intended solely for use by the addressee. Read more here.







--000000000000f684630583467051--

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar  5 14:17:28 2019
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Date:         Tue, 5 Mar 2019 14:17:16 +0000
Reply-To:     "McKay, Ben" 
Sender:       UCD Maths Department Distribution List 
From:         "McKay, Ben" 
Subject: maths: old ICM copies?
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Dear colleagues,

The International Congress of Mathematicians (ICM) is organised every 4 yea=
rs by the International Mathematical Union (IMU). The IMU tries to keep cop=
ies of ICM Proceedings (for free, online: https://www.mathunion.org/icm/pro=
ceedings but also in hard copy).
ICM Proceedings 1893-2014 - International Mathematical Union
Lectures on Mathematics, Delivered From Aug. 28 to Sept. 9, 1893 Before Mem=
bers of the Congress of Mathematics Held in Connection with the World's Fai=
r in Chicago
www.mathunion.org


Some proceedings are missing any hard copy at the IMU. The missing proceedi=
ngs are:
   1893 Chicago
   1893 The Evanston Colloquium
   1897 Zurich
   1900 Paris
   1904 Heidelberg
   1912 Cambridge (UK)
   1920 Strasbourg
   1924 Toronto
   1928 Bologna
   1932 Zurich
   1936 Oslo
   1962 Stockholm [vols. 2-4 missing]
   1966 Moscow [vols. 2-4 missing]

If you have a hard copy of any of these proceedings you are willing to dona=
te, the IMU will pay for shipping to their Berlin headquarters; feel free t=
o contact me directly.

Ben McKay, maths, UCC


--_000_DB6PR0202MB256720C873F61E8E85041F049C720DB6PR0202MB2567_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable









Dear colleagues,









The International Congress of Mathematicians (ICM) is organised every 4 yea=
rs by the International Mathematical Union (IMU). The IMU tries to keep cop=
ies of ICM Proceedings (for free, online:
ht=
tps://www.mathunion.org/icm/proceedings but also in hard copy).













ICM Proceedings 1893-2014 - International Mathematical Union


Lectures on Mathematics, Delivered From Aug. 28 to Sept. 9, 1893 Before Mem=
bers of the Congress of Mathematics Held in Connection with the World's Fai=
r in Chicago



www.mathunion.org














Some proceedings are missing any hard copy at the IMU. The missing proceedi=
ngs are:

   1893 Chicago

   1893 The Evanston Colloquium

   1897 Zurich

   1900 Paris

   1904 Heidelberg

   1912 Cambridge (UK)

   1920 Strasbourg

   1924 Toronto

   1928 Bologna

   1932 Zurich

   1936 Oslo

   1962 Stockholm [vols. 2-4 missing]

   1966 Moscow [vols. 2-4 missing]









If you have a hard copy of any of these proceedings you are willing to dona=
te, the IMU will pay for shipping to their Berlin headquarters; feel free t=
o contact me directly.









Ben McKay, maths, UCC










--_000_DB6PR0202MB256720C873F61E8E85041F049C720DB6PR0202MB2567_--

From owner-mathdep LISTSERV.HEANET.IE  Thu Mar  7 10:20:05 2019
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Date:         Thu, 7 Mar 2019 10:19:44 +0000
Reply-To:     Seminars Maths NUIG 
Sender:       UCD Maths Department Distribution List 
From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway today
Comments: To: NUIG-MATHS-SEMINARS listserv.heanet.ie
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Dear All,

We will have a Seminar TODAY at 4pm in ADB1020.


Coffee/tea/cakes/biscuits will be served in ADB-G022 from 3:30.



Nikolaos Pantelidis
from Waterford Institute of Technology

 will speak on



=E2=80=9COn the Riordan Group and the almost-Riordan Group=E2=80=9D

Abstract: A Riordan array is a lower triangular infinite matrix,
constructed by two formal power series in such a way that each of the
columns is generated by them, and the elements of the matrix can be
determined by a recursive formula. Objects that can be expressed by a
sequence of integers are used to construct Riordan arrays, such as
Fibonacci or Catalan numbers. The area of Riordan arrays has been
researched since the early 1990s and applications of them have been found
in many areas of computing such as algorithm analysis, error correcting
codes and wireless communications. Additionally, Riordan arrays have been
used in different scientific areas beyond the borders of Mathematics as
parts of their theory and techniques have been successfully applied in
Molecular Biology for RNA secondary structure enumeration and Chemistry.



In this talk, we are going to discuss some of the current research in the
field of Riordan arrays. More precisely, we show new findings on the
algebraic structure of the main group of Riordan arrays, and relations
between already known Riordan subgroups. Additionally, we present the group
of almost-Riordan arrays and some of its properties.



Contact: Kevin Jennings



Hoping to see you all there,



Haixuan and Michael



Future seminars are listed at
http://www.nuigalway.ie/science/school-of-maths/seminars/

--0000000000009de42a05837e72e4
Content-Type: text/html; charset="UTF-8"
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Dear All,
We will have a Seminar TODAY at 4pm in ADB1020.
=


 Coffee=
/tea/cakes/biscuits will be served in ADB-G022 from 3:30.
=C2=A0
Nikolaos Pantelidis =
=C2=A0
 from Waterford Institute of Technology
=C2=A0will spe=
ak on 
=
=C2=A0
=
=E2=80=9COn the Riordan Group and the almost-Riordan Group=E2=80=9D<=
/p>
Abstract: A Rior=
dan array is a lower triangular infinite matrix, constructed by two formal =
power series in such a way that each of the columns is generated by them, a=
nd the elements of the matrix can be determined by a recursive formula. Obj=
ects that can be expressed by a sequence of integers are used to construct =
Riordan arrays, such as Fibonacci or Catalan numbers. The area of Riordan a=
rrays has been researched since the early 1990s and applications of them ha=
ve been found in many areas of computing such as algorithm analysis, error =
correcting codes and wireless communications. Additionally, Riordan arrays =
have been used in different scientific areas beyond the borders of Mathemat=
ics as parts of their theory and techniques have been successfully applied =
in Molecular Biology for RNA secondary structure enumeration and Chemistry.=

=C2=A0
In this ta=
lk, we are going to discuss some of the current research in the field of Ri=
ordan arrays. More precisely, we show new findings on the algebraic structu=
re of the main group of Riordan arrays, and relations between already known=
 Riordan subgroups. Additionally, we present the group of almost-Riordan ar=
rays and some of its properties.
=C2=A0
Contact: Kevin Jennings
=C2=A0
Hoping to see you all there=
,
=C2=A0<=
/span>
Haixuan a=
nd Michael
=C2=A0
Future seminars are listed at=C2=A0http://www.nuigalway.ie/=
science/school-of-maths/seminars/ 
=C2=A0


--0000000000009de42a05837e72e4--

From owner-mathdep LISTSERV.HEANET.IE  Thu Mar  7 10:26:52 2019
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Date:         Thu, 7 Mar 2019 10:26:46 +0000
Reply-To:     Joost Slingerland 
Sender:       UCD Maths Department Distribution List 
From:         Joost Slingerland 
Subject: maths: Maynooth Theoretical Physics Seminar tomorrow -- Patricia Mayer, Augsburg/Maynooth --Variational wave functions for dynamics of Hubbard models
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Dear All,

Tomorrow, Friday, March 8th, there will be a Maynooth Theoretical 
Physics Seminar. Details follow below. All are most welcome to attend. 
-----------------------------------------------------------------------

Speaker: Patricia Mayer (Augsburg/Maynooth)

Time:  Friday March 8th, 2pm
Place: Hall D, Arts building, Maynooth University North Campus

Title: Variational wave functions for dynamics of Hubbard models

Abstract:
Variational wave functions can serve as useful approximations when a 
quantum system is too complicated to solve exactly. For example, many-body 
quantum systems are usually not exactly solvable.  So, variational 
approximations have often been used to investigate ground state properties 
of many-body systems.  A well-known example is the Gutzwiller wave 
function for the equilibrium properties of the Hubbard model. I will 
review the Hubbard model and the Gutzwiller wave function.  I will also 
present the time-dependent variational principle, used for describing 
quantum dynamics of complex systems.  I will then show some results for 
non-equilibrium physics of a particular Hubbard model using the 
time-dependent Gutzwiller wave function.
------------------------------------------------------------------------

Apologies for the late notice. Hope to see some of you there,

Best regards,

Joost Slingerland
Department of Theoretical Physics
Maynooth University

From owner-mathdep LISTSERV.HEANET.IE  Thu Mar  7 10:35:42 2019
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Date:         Thu, 7 Mar 2019 10:35:35 +0000
Reply-To:     "Neil O'Connell" 
Sender:       UCD Maths Department Distribution List 
From:         "Neil O'Connell" 
Subject: maths: UCD Probability Seminar
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UCD Probability Seminar

Speaker:  Christian Korff (Glasgow)

Title:  Cylindric symmetric functions and positivity

Date:    Wednesday, 27th March 2019

Time:    2pm

Location:    UCD, 125 Science North (JK Lab)

Abstract:  The ring of symmetric functions takes centre stage in many areas of algebraic combinatorics and probability. What happens if one evaluates symmetric functions at roots of unity? In this talk we will give an overview of the connection between the latter question and the construction of cylindric symmetric functions, which are given as weighted sums of reverse plane partitions which wrap around a cylinder of circumference n where n is the order of the root of unity. The expansion of cylindric symmetric functions in standard bases of the ring of symmetric functions does not always yield non-negative coefficients but we show that the cylindric symmetric functions form so-called "positive subcoalgebras" of the ring of the symmetric functions when viewed as a Hopf algebra. (These terms will be explained.) Here positivity means that the structure constants of the coalgebra are non-negative integers which we show to be equal to Gromov-Witten invariants and tensor multiplicities of the generalised symmetric group.

title:: UCD Probability Seminar
content::  Christian Korff (Glasgow) will speak on
:: Cylindric symmetric functions and positivity
date-time::    Wednesday, 27th March 2019 at 2:00pm
location:: UCD, 125 Science North (JK Lab)
endevent::

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Date:         Fri, 8 Mar 2019 11:30:45 +0000
Reply-To:     Ciaran Mac an Bhaird 
Sender:       UCD Maths Department Distribution List 
From:         Ciaran Mac an Bhaird 
Subject: Maths: Workshop on tutor and lecturer training and accreditation
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--_000_DB7PR02MB4695207A82BA85026EB7E0E38C4D0DB7PR02MB4695eurp_
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Dear all,


Maynooth University and TU Dublin have the pleasure of announcing the follo=
wing free workshop as part of the National Forum Seminar Series on Friday 1=
2th of April from 11am (Renehan Hall, Maynooth University).



Title: 'Accrediting systems of training for STEM postgraduate tutors and le=
cturers.'



Further details are available from https://www.maynoothuniversity.ie/mathem=
atics-and-statistics/tutorlecturercredits



This workshop should be of particular benefit to those with an interest in =
tutor and lecturer training and professional development opportunities. One=
 presentation will focus on the IMA's induction course for new lecturers in=
 the mathematical sciences. The workshop will also consider the unique set =
of skills that tutors should have, and how to structure an appropriate tuto=
r training program which facilitates the awarding of credit.



Le meas,

Ciar=E1n

title:: Accrediting systems of training for STEM postgraduate tutors and le=
cturers
content:: Michael Grove, Kirsten Pfeiffer, Ciar=E1n O'Sullivan
::  University of Birmingham, NUI Galway, TU Dublin
:: deliver a workshop on training models which are amenable to accreditatio=
n
date-time:: April 12 2019 at 11am.
location:: Maynooth University, Renehan Hall, South Campus
endevent::


Dr. Ciar=E1n Mac an Bhaird


Lecturer and MSC Director


Department of Mathematics and Statistics


Maynooth University


https://www.maynoothuniversity.ie/people/ciar-n-mac-bhaird


http://supportcentre.maths.nuim.ie/


--_000_DB7PR02MB4695207A82BA85026EB7E0E38C4D0DB7PR02MB4695eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable











Dear all,=












Maynooth University and TU Dublin have the pleasure=
 of announcing the following free workshop as part of the National For=
um Seminar Series on Friday 12th of April
 from 11am (Renehan Hall, Maynooth University). 









 






Title: ''







 









This workshop should be of particular benefit to those w=
ith an interest in tutor and lecturer training and professional development=
 opportunities. One presentation will
 focus on the IMA's induction course for new lecturers in the mathematical =
sciences. The workshop will also consider the unique set of skills that tut=
ors should have, and how to structure an appropriate tutor training program=
 which facilitates the awarding
 of credit.  











 







Le meas,



Ciar=E1n









title::

Accrediting systems of training for STEM postgraduate tutors and lecturers<=
/span>


::  University of Birmingham, NUI Galway, T=
U Dublin

::
 deliver a workshop on training models which are amenable to accreditation&=
nbsp;

date-time:: April 12 2019 at 11am.

location:: Maynooth University, Renehan Hall,&nb=
sp;South Campus

endevent::














Dr. Ciar=E1n Mac an Bhair=
d







Lecturer and MSC Director=








Department of Mathematics=
 and Statistics







Maynooth University







https:/=
/www.maynoothuniversity.ie/people/ciar-n-mac-bhaird









http://supportcentre.maths.nui=
m.ie/















--_000_DB7PR02MB4695207A82BA85026EB7E0E38C4D0DB7PR02MB4695eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Fri Mar  8 23:38:21 2019
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Reply-To:     Barry Wardell 
Sender:       UCD Maths Department Distribution List 
From:         Barry Wardell 
Subject: UCD Applied & Computational Mathematics Seminar, March 11th at 1pm
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Dear Colleagues,

The next seminar in the UCD Applied and Computational Maths Seminar Series =
<
http://maths.ucd.ie/ACMSeminars/> will take place next Monday, 11th March
at 1pm.

Coffee, tea & biscuits will be available in the School of Mathematics &
Statistics common room, ground floor, UCD O'Brien Centre for Science
(North) from 12.40pm.

All are welcome. Details of the seminar follows.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
UCD Applied & Computational Mathematics Seminar
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

*Speaker:* Vakhtang Putkaradze (University of Alberta)
*Time:* Monday, 11th March 2019 at 1pm
*Location: *1.25 SCN, UCD O'Brien Centre for Science (North)
*Title:* Geometric theory of flexible and expandable tubes conveying fluid

*Abstract:*
We present a theory for the three-dimensional evolution of tubes with
expandable walls conveying fluid. Our theory can accommodate arbitrary
deformations of the tube, arbitrary elasticity of the walls, and both
compressible and incompressible flows inside the tube. We also present the
theory of propagation of shock waves in such tubes and derive the
conservation laws and Rankine-Hugoniot conditions in arbitrary spatial
configuration of the tubes, and compute several examples of particular
solutions. The theory is derived from a variational treatment of Cosserat
rod theory extended to incorporate expandable walls and moving flow inside
the tube. Time permitting, we shall also show how the geometric approach to
the problem allows writing the Poisson bracket for the system. The results
presented here are useful for biological flows and industrial applications
involving high-speed motion of gas in flexible tubes.

Joint work with Francois Gay-Balmaz (ENS/CNRS). Research partially
supported by NSERC and the University of Alberta. This talk has also been
made possible by the awarding of a James M Flaherty Visiting Professorship
from the Ireland Canada University Foundation, with the assistance of the
Government of Canada/avec l=E2=80=99appui du gouvernement du Canada.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Best wishes,
Barry Wardell

title:: UCD ACM Seminar
date-time:: Monday, 11th March 2019 at 1pm
location:: 1.25 SCN, UCD O'Brien Centre for Science (North)
content:: Vakhtang Putkaradze (University of Alberta) will speak on
:: Geometric theory of flexible and expandable tubes conveying fluid
endevent::

--00000000000026e94605839db7c2
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Dear Colleagues,
<=
div dir=3D"ltr">

The next=C2=A0seminar=C2=A0in the UCD=C2=A0=
Applied=C2=A0and Computational Maths=C2=A0Seminar=C2=A0Series <http://maths.ucd.ie/ACMSeminars=
/> will take place next Monday, 11th March at 1pm.

Coffee, tea & biscuits will be available in the School of Mathe=
matics & Statistics common room, ground floor, UCD O'Brien Centre f=
or Science (North) from 12.40pm.

All are welcome. =
Details of the=C2=A0seminar=C2=A0follows.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
UCD=C2=A0Applied=C2=A0&=C2=A0Computational=C2=A0Mathematics=C2=A0S=
eminar
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D

Sp=
eaker:=
=C2=A0Vakhtang Putkaradze=C2=A0(University of Alberta)
<=
b style=3D"font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-s=
ize:12.800000190734863px">Time:=C2=A0Monday,=
 11th March 2019 at 1pm
Locatio=
n:=C2=A01.25 SCN, UCD O'Brien Centre for=
 Science (North)
Title:=C2=A0Geometric theory=
 of flexible and expandable tubes conveying fluid
<=
font face=3D"Roboto, RobotoDraft, Helvetica, Arial, sans-serif">
Abst=
ract:
We present a theory for the thre=
e-dimensional evolution of tubes with expandable walls conveying fluid. Our=
 theory can accommodate arbitrary deformations of the tube, arbitrary elast=
icity of the walls, and both compressible and incompressible flows inside t=
he tube. We also present the theory of propagation of shock waves in such t=
ubes and derive the conservation laws and Rankine-Hugoniot conditions in ar=
bitrary spatial configuration of the tubes, and compute several examples of=
 particular solutions. The theory is derived from a variational treatment o=
f Cosserat rod theory extended to incorporate expandable walls and moving f=
low inside the tube. Time permitting, we shall also show how the geometric =
approach to the problem allows writing the Poisson bracket for the system. =
The results presented here are useful for biological flows and industrial a=
pplications involving high-speed motion of gas in flexible tubes.

Joint work with Francois Gay-Balmaz (ENS/CNRS). Research pa=
rtially supported by NSERC and the University of Alberta. This talk has als=
o been made possible by the awarding of a James M Flaherty Visiting Profess=
orship from the Ireland Canada University Foundation, with the assistance o=
f the Government of Canada/avec l=E2=80=99appui du gouvernement du Canada.<=
/div>

=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
=

Best wishes,
Barry=
 Wardell

=
title:: UCD ACM=C2=A0=
Seminar
<=
span style=3D"font-size:12.800000190734863px">date-time::=C2=A0Monda=
y, 11th March 2019 at 1pm
lo=
cation:: 1.25 SCN, UCD O'Brien Centre for Science (North)=

content::=C2=A0Vakhtang Putkaradze=C2=A0(University of Alb=
erta)=C2=A0will speak on
::=C2=A0Geometric theory of flexi=
ble and expandable tubes conveying fluid
endevent::
<=
/div>
<=
/div>


--00000000000026e94605839db7c2--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 11 09:14:59 2019
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From:         "Peg.Hanrahan" 
Subject: Maths: MACSI Seminar: Preservation of asymptotic behaviour in differential equations under deterministic or stochastic forcing.  Friday 15th March at 3p.m. Room A2-002 University of Limerick
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Please note time of Seminar is 3p.m., Friday 15th March.


MACSI at the department of Mathematics and Statistics at the University of =
Limerick invites you to a seminar


Date: Friday,  15th  March 2019, Room A2-002   15.00

Speaker: Prof. John Appleby, Department of Mathematical Sciences, Dublin Ci=
ty University

Title: Preservation of asymptotic behaviour in differential equations under=
 deterministic or stochastic forcing

Abstract: In this talk, we consider autonomous differential equations which=
 have been subjected to forcing terms. The underlying asymptotic behaviour =
of the unforced system U is well-understood, but can be dramatic, as the eq=
uations considered are permitted to be highly nonlinear. Such asymptotic be=
haviour can include blow-up, finite-time convergence to an equilibrium, or =
very rapid growth or decay, of solutions. Different types of forcing terms =
are allowed, which can be deterministic, stochastic, state-dependent, or st=
ate-independent.

The question the talk seeks to address is simply: what is the critical size=
 of the forcing term below which the forced equation P retains an asymptoti=
c property A of the unperturbed equation U, but above which the original as=
ymptotic property A is destroyed? The property A is often a statement about=
 precise growth or decay rates of solutions, or asymptotic estimates when a=
pproaching a  singularity. Therefore, we seek theorems which give necessary=
 and sufficient conditions on the data of equation P for its solutions to i=
nherit property A from U.

Since proofs are generally technical and idiosyncratic to the class of forc=
ing term, we merely give some ideas of the methods used, together with a su=
rvey of recent results. Some remarks concerning the extension of these resu=
lts to functional differential equations, and to the recovery of the contin=
uous-time results in numerical simulations, may also be germane.

Further Information: If you have any questions regarding this seminar, plea=
se direct them to Romina Gaburro (061 2131930, email romina.gaburro ul.ie  or Clifford Nolan (061 202766), clifford.nolan=
 ul.ie).

---------------------------------------------------------------------------=
-
Supported by Science Foundation Ireland funding, MACSI - the Mathematics Ap=
plications Consortium for Science and Industry (www.macsi.ul.ie), centred at the University of Limerick, is dedicated to the m=
athematical modelling and solution of problems which arise in science, engi=
neering and industry in Ireland.








--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F014396EABCexMbx3ulcampu_
Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable











 


 


Please note=
 time of Seminar is 3p.m., Friday 15th March.



 


 


MACSI at the dep=
artment of Mathematics and Statistics at the University of Limerick invites=
 you to a seminar


 


 


Date: Friday,  15th  Marc=
h
 2019, Room A2-002   15.00


 


Speaker: Prof. John Appleby, Department
 of Mathematical Sciences, Dublin City University


 


Title:<=
span style=3D"font-size:12.0pt;font-family:"Times New Roman",seri=
f;mso-fareast-language:EN-IE"> Preservation of asymptotic
 behaviour in differential equations under deterministic or stochastic forc=
ing 


 


Abstract: In this talk, we consider
 autonomous differential equations which have been subjected to forcing ter=
ms. The underlying asymptotic behaviour of the unforced system U is well-un=
derstood, but can be dramatic, as the equations considered are permitted to=
 be highly nonlinear. Such asymptotic
 behaviour can include blow-up, finite-time convergence to an equilibrium, =
or very rapid growth or decay, of solutions. Different types of forcing ter=
ms are allowed, which can be deterministic, stochastic, state-dependent, or=
 state-independent. 


 


The question the=
 talk seeks to address is simply: what is the critical size of the forcing =
term below which the forced equation P retains an asymptotic
 property A of the unperturbed equation U, but above which the original asy=
mptotic property A is destroyed? The property A is often a statement about =
precise growth or decay rates of solutions, or asymptotic estimates when ap=
proaching a  singularity. Therefore,
 we seek theorems which give necessary and sufficient conditions on the dat=
a of equation P for its solutions to inherit property A from U. <=
/o:p>


 


Since proofs are gene=
rally technical and idiosyncratic to the class of forcing term, we merely g=
ive some ideas of the methods used, together with
 a survey of recent results. Some remarks concerning the extension of these=
 results to functional differential equations, and to the recovery of the c=
ontinuous-time results in numerical simulations, may also be germane. =



 


Further Informatio=
n: If you have any
 questions regarding this seminar, please direct them to Romina Gaburro (06=
1 2131930, email romina.gaburro ul.ie  or Clifford No=
lan (061 202766), clifford.nolan ul.ie).


 


--------------------------------------------------=
--------------------------


Supported by Science Foundation Ireland funding, M=
ACSI - the Mathematics Applications Consortium for
 Science and Industry (www.macsi.ul.ie), centred at the University of Limer=
ick, is dedicated to the mathematical modelling and solution of problems wh=
ich arise in science, engineering and
 industry in Ireland.


 =



 


 


 


 


 


 






--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F014396EABCexMbx3ulcampu_--

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Subject: Maths: Maynooth Colloquium in Mathematics and Statistics
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From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 11 10:20:31 2019
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Subject: maths: Theoretical Physics Seminar - TCD - 14 March
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TCD THEORETICAL PHYSICS SEMINAR
Thursday, 14 March 2019, 2:00 pm

Seminar Room, House 20
School of Mathematics=20
Trinity College Dublin

Speaker: Yang Zhang (Max Planck Institut f=C3=BCr Physik)
Title: Analytic results for two-loop five-point nonplanar amplitudes

Abstract:=20
Multi-loop amplitudes with multiple legs are hardcore problems in the
field of amplitudes. These amplitudes are crucial for the precision =
frontier
of QCD. In this talk, we present the latest progress in this direction: =
the
two-loop five-point nonplanar amplitudes. Without dual conformal =
symmetry,
these amplitudes appear untouchable. However, with new techniques from =
symbol
construction, uniformly transcendental basis, IBP from computational
algebraic geometry, we manage to get the analytical master integrals and
the N=3D4/N=3D8 supersymmetric amplitude. We also provide an outlook for
two-nonplanar loop five-point QCD amplitudes.

All are welcome.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

title:: TCD Theoretical Physics Seminar
content::Yang Zhang (Max Planck Institut f=C3=BCr Physik)
::Analytic results for two-loop five-point nonplanar amplitudes::
date-time:: 14 March 2019 at 2:00 pm
location::Seminar Room House 20, TCD
endevent::=

--Apple-Mail=_DB2A3C6B-DCF7-4DA6-9E2A-AE5AE6EA3280
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TCD THEORETICAL PHYSICS SEMINAR
Thursday, 14 March 2019, 2:00 pm

Seminar Room, House 20
School of =
Mathematics 
Trinity College Dublin

Speaker: Yang Zhang (Max Planck Institut f=C3=BCr Physik)
Title: Analytic results for two-loop five-point =
nonplanar amplitudes

Abstract: 
Multi-loop =
amplitudes with multiple legs are hardcore problems in the
field of amplitudes. These amplitudes are crucial for the =
precision frontier
of QCD. In this talk, we present the =
latest progress in this direction: the
two-loop five-point =
nonplanar amplitudes. Without dual conformal symmetry,
these=
 amplitudes appear untouchable. However, with new techniques from =
symbol
construction, uniformly transcendental basis, IBP =
from computational
algebraic geometry, we manage to get =
the analytical master integrals and
the N=3D4/N=3D8 =
supersymmetric amplitude. We also provide an outlook for
two-nonplanar loop five-point QCD amplitudes.

All are welcome.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=


title:: TCD Theoretical Physics Seminar
content::Yang Zhang (Max Planck Institut f=C3=BCr =
Physik)
::Analytic results for two-loop five-point =
nonplanar amplitudes::
date-time:: 14 March 2019 at =
2:00 pm
location::Seminar Room House 20, TCD
endevent::
=

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From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 11 10:23:17 2019
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Subject: maths: CETL-MSOR 2019: Second Call for Abstracts
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Dear colleagues,


Apologies for any cross-posting.


*C**ETL-MSOR 2019:  Bringing together mathematics communities*

*5th & 6th September 2019 at Dublin City University, Dublin, Ireland*


*http://www.sigma-network.ac.uk/cetl-msor-conference-2019/
 *


We are pleased to announce our keynote speakers:

   - Dr. Joe Kyle, University of Birmingham
   - Prof. Duncan Lawson, Coventry University
   - Prof. Alice Rogers OBE, King=E2=80=99s College London



*The call for abstracts is now open*.


*The Conference Committee warmly welcomes submissions relating to the
learning and teaching of mathematics and statistics within any discipline
in higher education. For CETL-MSOR 2019, we are particularly keen to
receive submissions that can demonstrate enhancements which are based on
reflective and evidence-informed practice in relation to the following
themes:*

   - Developing communities of learners in mathematics and statistics
   support within, and across, the disciplines.
   - Teaching specialist mathematicians.
   - Inclusive design for mathematics learning.
   - Supporting students on the transition into and out of higher education=
.

We invite you to submit abstracts for oral presentations (20 minute
session), workshops (60 minute session) and lightning talks (3 minute
presentation). We are also interested in receiving student-led submissions.



Please complete the abstract submission form
, save as a PDF
and upload to EasyChair
 by the deadline of=
 *12th
April 2019*.



We will invite speakers to submit a full paper based on your presentation,
which will be considered for publication in a special conference issue of
MSOR Connections, after the conference.



Best wishes,


Eabhnat N=C3=AD Fhloinn, Dublin City University

Shazia Ahmed, University of Glasgow

Michael Grove, University of Birmingham
Ciar=C3=A1n Mac an Bhaird, Maynooth University
Rob Wilson, University of Cardiff


title:: CETL-MSOR 2019
content:: Mathematics Education Conference:  Bringing together mathematics
communities

*::* http://www.sigma-network.ac.uk/cetl-msor-conference-2019/

*::* Dublin City University
*::* Call for abstracts
date-time:: 5th - 6th September 2019
location:: Dublin City University, Glasnevin, Dublin 9
endevent::


--=20
Dr. Eabhnat N=C3=AD Fhloinn
Director of Maths Learning Centre
Room X138A
School of Mathematical Sciences
Dublin City University
(01) 700-7710

--=20
*

*S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer*

*T=C3=A1 an r=C3=ADomhphost seo agus aon=20
chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=A1id ag an se=
ola=C3=AD agus sin=20
amh=C3=A1in =C3=A9. Is f=C3=A9idir tuilleadh a l=C3=A9amh anseo.=C2=A0=20
*

*This e-mail and any=20
files transmitted with it are confidential and are intended solely for use=
=20
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*

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--000000000000ab0b1e0583cef5aa
Content-Type: text/html; charset="UTF-8"
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<=
span style=3D"font-size:14.6667px">Dear colleagues,

Apologies for any cross-posting.

=

CETL-MSOR=C2=A02019:=C2=A0 Bringing together mathematics communit=
ies
5th & 6th September=C2=A02019=C2=A0at Dublin City University, Dublin, Ireland=

http://www.sigma-ne=
twork.ac.uk/cetl-msor-conference-2019/=C2=A0
<=
p style=3D"font-family:helvetica,sans-serif;margin:0px 0px 15px;padding:0px=
;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;fo=
nt-stretch:inherit;font-size:14px;line-height:inherit;vertical-align:baseli=
ne;color:rgb(85,85,85)">
We are pleased to announce our keynote speakers:
<=
/p>
  • Dr. Joe Kyle, University of Birmingham
  • Prof. Duncan Lawson, Coventry University
  • Prof. Alice Rogers OBE, King=E2=80=99s College =
London
=C2=A0
The call for abstracts is now open.=C2=A0

The =
Conference Committee warmly welcomes submissions relating to the learning a=
nd teaching of mathematics and statistics within any discipline in higher e=
ducation. For CETL-MSOR 2019, we=C2=A0are particularly keen to receive subm=
issions that can demonstrate enhancements which are based on reflective and=
 evidence-informed practice in relation to the following themes:=
=C2=A0=C2=A0
  • Developing communities of learners in mathematics and sta=
tistics support within, and across, the disciplines.=C2=A0=C2=A0
    =

  • =
Teaching specialist mathematicians.
  • Inclusive=
 design for mathematics learning.
    • <=
li class=3D"MsoNormal" style=3D"margin-left:15px;color:black">Supporting student=
s on the transition into and out of higher education.
We invite you to submit=C2=A0abstracts=C2=
=A0for=C2=A0oral=C2=A0pre=
sentations (20 minute session), workshops (60 minute session) and lightning=
 talks (3 minute presentation). We are also interested in receiving student=
-led submissions.
=C2=A0
Please complete the=C2=A0abstract submis=
sion form, save as a PDF and upload to=C2=A0<=
a href=3D"https://easychair.org/conferences/?conf=3Dcetlmsor2019" target=3D=
"_blank" style=3D"color:blue">EasyChair=C2=
=A0by the deadline of=C2=A012th April=C2=A02019.
=C2=A0
We will invite speakers to =
submit a full paper based on your presentation, which will be considered=C2=
=A0for publication in a special conference issue of=C2=A0MSOR=C2=A0Connections, after the conference.
=C2=A0
<=
span style=3D"font-size:11pt;color:black">Best wishes,=


Eabhnat N=C3=AD Fhloinn, Dublin City Universit=
y=C2=A0
Shazia Ahmed, University=C2=A0<=
span style=3D"font-size:11pt">of Glasgow=

Michael Grove, University of Birmingham
=
Ciar=C3=A1n Mac an Bhaird, Maynooth University
Rob Wilson, University of Cardiff

title::=C2=A0CETL-MSOR=C2=A02019=C2=A0
content::=C2=A0Mathematics Education Conference<=
font face=3D"arial, helvetica, sans-serif">:=C2=
=A0 Bringing together mathematics communities=C2=A0=C2=A0
=

::<=
span style=3D"font-family:"Times New Roman";font-size:medium">=C2=
=A0http://www.sigma-network.ac.uk/cetl-msor-conference-2019/=C2=A0
::=C2=A0Dubli=
n City University
::=C2=A0Call for abstracts
date-time::=C2=
=A05th - 6th September 2019=C2=A0
location::=C2=A0Dublin City Uni=
versity, Glasnevin, Dublin 9
endevent::=C2=A0=C2=A0=C2=A0


-- 
Dr. Eabhnat N=C3=AD Fhloinn
Director of Maths Learn=
ing Centre
Room X138A
School of Mathematical Sciences
Dublin City University
(01) 700-7710







S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=

T=C3=A1 an r=C3=ADomhphost seo agus a=
on chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=A1id ag an=
 seola=C3=AD agus sin amh=C3=A1in =C3=A9. Is f=C3=A9idir tuilleadh a l=
=C3=A9amh anseo.=C2=A0
This e-mail and any files transmitted with it are confidential and a=
re intended solely for use by the addressee. Read more here.







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From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 11 10:50:04 2019
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Dublin Theoretical Physics Colloquium

Time: Wednesday, 13th of March at 16:00

Location: Synge Theatre, Hamilton Building, TCD

Speaker: Blake D. Sherwin (University of Cambridge, DAMTP)

Title: "CMB Lensing: Fundamental Physics from Maps of the Invisible"

Abstract: 
Dark matter not only forms an invisible cosmic scaffolding within which galaxies form, its distribution in the universe also contains a wealth of information about neutrinos, dark energy, and physics at the earliest, inflationary times. Measurements of gravitational lensing in the cosmic microwave background (CMB) allow this matter distribution to be directly seen and mapped. In my talk, I will explain why ongoing and upcoming measurements of the lensing signal from CMB experiments such as AdvancedACT and Simons Observatory will be remarkably powerful probes of cosmology and fundamental physics. Lensing is not only a signal, however, but also a source of noise that limits how much we can learn about the very early universe. With illustrations from recent work, I will explain why de-lensing - removing the lensing effect to reveal the primordial sky - is crucial for the future of CMB cosmology.

All welcome!

title:: Dublin Theoretical Physics Colloquium
content:: Blake D. Sherwin (University of Cambridge, DAMTP) will speak on
:: CMB Lensing: Fundamental Physics from Maps of the Invisible
date-time::  Wednesday the 13th of March at 16:00
location:: Synge Theatre, Hamilton Building, Trinity College Dublin
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 11 10:58:36 2019
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Date:         Mon, 11 Mar 2019 10:58:31 +0000
Reply-To:     "Dendrinos, Spyridon" 
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Subject: maths: UCC Mathematics Seminar
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Dear Colleagues,



You are welcome to the following seminar:



UCC Mathematics Seminar



Time and location: 4-5pm, Tuesday 19 March 2019, WGB G04



Speaker:  Oliver Mason (Maynooth University)



Title: The Joint Spectral Radius and Extremal Norms in Nonnegative and Max =
Algebra



Abstract:

The joint spectral radius (JSR) helps to characterise the asymptotic behavi=
our of non-homogeneous matrix products, and plays an important role in the =
stability analysis of difference and differential inclusions.  In this talk=
, I will outline some classical results concerning the JSR before going on =
to discuss recent work on the existence of extremal and Barabanov norms for=
 semigroups of nonnegative matrices and matrices over the max algebra.  Tim=
e-permitting, I will also describe some applications to persistence theory =
for switched models in epidemiology.


Best regards,

Spyros Dendrinos


--_000_DB7PR02MB4092AB61EABFF14C5C17D6CFBA480DB7PR02MB4092eurp_
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Dear Coll=
eagues,



 



You are welcome to the following
seminar:



 



UCC
Mathematics Seminar



 



Time and location:
4-5pm, Tuesday 19 March 2019=
, WGB G04



 



Speaker:  Oliver Ma=
son (Maynooth
 University)



 



Title:
The
 Joint Spectral Radius and Extremal Norms in Nonnegative and Max Algebra



 



Abstract:







=
The
 joint spectral radius (JSR) helps to characterise the asymptotic beha=
viour of non-homogeneous matrix products, and plays an important role in&nb=
sp;the stability analysis of difference and differential inclusions. &=
nbsp;In this talk, I will outline some classical results
 concerning the JSR before going on to discuss recent work on the existence=
 of extremal and Barabanov norms for semigroups of nonnegative matrice=
s and matrices over the max algebra.  Time-permitting, I will also des=
cribe some applications to persistence theory
 for switched models in epidemiology.  










Best regards,


Spyros Dendrinos











--_000_DB7PR02MB4092AB61EABFF14C5C17D6CFBA480DB7PR02MB4092eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 11 11:41:53 2019
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Reply-To:     "Compelli, Alan" 
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Subject: Maths: UCC Applied Mathematics Seminar, Thursday 14 March
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Dear Colleagues,

All are welcome at the following seminar:


UCC Applied Mathematics Seminar

Speaker: Thomas Alazard (ENS Paris-Saclay)

Time and location: 12pm, Thursday 14 March, WGB G02

Title: Control of water waves

Abstract: The incompressible Euler equation with free surface is a nonlinea=
r wave equation dictating the dynamics of the interface separating the air =
from a perfect incompressible fluid. This talk is about the controllability=
 and the stabilization of this equation. The goal is to understand the gene=
ration and the absorption of water waves. These two problems are studied by=
 two different methods: microlocal analysis for the controllability, and st=
udy of global quantities for the stabilization (multiplier method and conse=
rvation laws).

 ---------------------

Dr Alan Compelli
Postdoctoral Researcher
School of Mathematical Sciences
University College Cork
Ireland

+353 21 420 5813

title:: UCC Applied Maths Seminar
date-time:: Thursday 14 March AT 12pm
location:: WGB G02
content:: Thomas Alazard
:: (ENS Paris-Saclay)
:: presents a talk entitled
:: "Control of water waves"
endevent::


--_000_DB6PR0202MB2918FBD48811DCFC3471F62C9C480DB6PR0202MB2918_
Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable











Dear Co=
lleagues, 





All are welcome at the following seminar: 


 


UCC&=
nbsp;Applied Mathematics Seminar



 <=
/span>


Spea=
ker: Thomas Al=
azard (ENS Paris-Saclay)




Time and location: 12pm, Thursday 14 March, WGB G02




Title: Control of water waves




Abstract: The incom=
pressible Euler equation with free surface is a nonlinear wave equation dic=
tating the dynamics of the interface separating the air from a perfect inco=
mpressible fluid. This talk is about
 the controllability and the stabilization of this equation. The goal is to=
 understand the generation and the absorption of water waves. These two pro=
blems are studied by two different methods: microlocal analysis for the con=
trollability, and study of global
 quantities for the stabilization (multiplier method and conservation laws)=
.


 


 ---------------------


 


Dr Alan Compelli

Postdoctoral Researcher

School of Mathematical Sciences

University College Cork

Ireland



+353 21 420 5813


 


title:: U=
CC
Applied 
Maths Seminar

date-time:: Thursday 14 March AT 12pm

location:: WGB G02

content:: Thomas Alazard


:: (ENS P=
aris-Saclay)


:: presen=
ts a talk entitled

:: "Control of water waves"


endevent::


 






--_000_DB6PR0202MB2918FBD48811DCFC3471F62C9C480DB6PR0202MB2918_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 11 15:26:06 2019
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Reply-To:     Seminars Maths NUIG 
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From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway
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--0000000000008739c50583d33059
Content-Type: text/plain; charset="UTF-8"

Dear All,

On Friday March 15 at 10.00, Hieu Ha Van will give a30-minute talk on
"Entry Pattern Matrices" in AdB-1020. Coffee in AdBG-022 will follow.
Everyone is welcome.





Contact: Rachel Quinlan



Hoping to see you all there,



Haixuan and Michael



Future seminars are listed at
http://www.nuigalway.ie/science/school-of-maths/seminars/

--0000000000008739c50583d33059
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable





Dea=
r All,



On F=
riday March 15 at 10.00, Hieu Ha Van will give a30-minute
talk on "Entry Pattern Matrices" in AdB-1020. Coffee in AdBG-022 =
will
follow. Everyone is welcome.



=C2=
=A0



=C2=
=A0



Cont=
act: Rachel Quinlan



=C2=
=A0



Hopi=
ng to see you all there,



=C2=
=A0



Haix=
uan and Michael



=C2=
=A0



Futu=
re seminars are listed at=C2=A0http://www.nuigalway.ie/science/school-of-maths/s=
eminars/






--0000000000008739c50583d33059--

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar 12 15:18:30 2019
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Reply-To:     Graham Kells 
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From:         Graham Kells 
Subject: Maths: DIAS, STP Seminar - Thursday, 14 March, 4.00 pm
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DIAS, STP Seminar - Thursday, 14 March, 4.00 pm =20

Speaker:  Professor Yongmin Cho, Sogang University, Korea

Title: The electroweak monopole: the theory behind it, properties and =
its relevance in cosmology

Time: 4pm, Thursday 14 March,=20

Place: Lecture Room, 1st Floor, School of Theoretical Physics, DIAS, 10 =
Burlington Road, Dublin 4

Abstract: The electroweak monopole in the standard model, the existence, =
characteristic features, cosmological production, and physical =
implications are discussed. The discovery of Higgs particle has been =
thought to be the 'final' test of the standard model. If the standard =
model is correct, however, it must have the electroweak monopole as the =
electroweak generalization of the Dirac monopole. This means that the =
detection of this monopole should become the final and topological test =
of the standard model. If detected, it becomes the first magnetically =
charged and stable topological elementary particle in the history of =
physics. Moreover, it has deep implications in physics. In cosmology it =
could generate the primordial magnetic black holes which could explain =
the dark matter, become the seed of the large scale structures of the =
universe, and be the source of the intergalactic magnetic field. As =
importantly, it could generate the hitherto unknown magnetic current =
that could have huge practical applications. Furthermore the existence =
of the monopole requires us to reformulate the perturbative expansion in =
quantum field theory. This makes the detection of the electroweak =
monopole a most urgent issue. Useful tips for the MoEDAL detector at LHC =
and similar experiments to detect the monopole are discussed.


All welcome!

&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&

title:: DIAS Theoretical Physics Seminar
content:: Professor Yongmin Cho
date-time:: 14 March 2019 at 4:00 pm
location:: School of Theoretical Physics, DIAS. 10 Burlington Road, D.4.
endevent::
=20


--Apple-Mail=_36C9F69A-A63D-4758-9060-BA8F3B92E5B3
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	charset=us-ascii


DIAS, STP Seminar - =
Thursday, 14 March, 4.00 pm  

Speaker:  Professor Yongmin Cho, Sogang University, =
Korea

Title: The electroweak monopole: the theory =
behind it, properties and its relevance in cosmology
Time: 4pm, Thursday 14 =
March, 

Place: Lecture =
Room, 1st Floor, School of Theoretical Physics, DIAS, 10 Burlington =
Road, Dublin 4

Abstract: The =
electroweak monopole in the standard model, the existence, =
characteristic features, cosmological production, and physical =
implications are discussed. The discovery of Higgs particle has been =
thought to be the 'final' test of the standard model. If the standard =
model is correct, however, it must have the electroweak monopole as the =
electroweak generalization of the Dirac monopole. This means that the =
detection of this monopole should become the final and topological test =
of the standard model. If detected, it becomes the first magnetically =
charged and stable topological elementary particle in the history of =
physics. Moreover, it has deep implications in physics. In cosmology it =
could generate the primordial magnetic black holes which could explain =
the dark matter, become the seed of the large scale structures of the =
universe, and be the source of the intergalactic magnetic field. As =
importantly, it could generate the hitherto unknown magnetic current =
that could have huge practical applications. Furthermore the existence =
of the monopole requires us to reformulate the perturbative expansion in =
quantum field theory. This makes the detection of the electroweak =
monopole a most urgent issue. Useful tips for the MoEDAL detector at LHC =
and similar experiments to detect the monopole are discussed.

All welcome!
&&&&&&&&&&&&&am=
p;&&&&&&&&&&&&&&&a=
mp;&&&&&&&&&&&&&&&=
amp;&&&&&&&&&&&
title:: DIAS Theoretical Physics Seminar
content:: Professor =
Yongmin Cho
date-time:: 14 March 2019 at 4:00 pm
location:: School of Theoretical =
Physics, DIAS. 10 Burlington Road, D.4.
endevent::
 

=

--Apple-Mail=_36C9F69A-A63D-4758-9060-BA8F3B92E5B3--

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar 12 16:29:05 2019
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Date:         Tue, 12 Mar 2019 16:28:49 +0000
Reply-To:     Kirk Soodhalter 
Sender:       UCD Maths Department Distribution List 
From:         Kirk Soodhalter 
Subject: maths: Trinity College Computational Applied Mathematics Seminar seminar, tomorrow Wednesday 13. March, 10am
Comments: cc: Maria Shtilmark 
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Dear Colleagues,

This email is to announce the next seminar of 2019 in the Trinity =
College Computational Applied Mathematics Seminar, which will take place =
this Wednesday, 13. March at 10am in the New Seminar Room, Hamilton =
Building, School of Mathematics. =20

All are welcome.  Details of the seminar follow.

################################################

Speaker: Ronny Ramlau (Johannes Kepler University, Linz, Austria)
Time: Wednesday, 13. March at 10am
Location: New Seminar Room, Hamilton Building, School of Mathematics

Title: Inverse Problems in Adaptive Optics

Abstract:=20
The image quality of ground based astronomical telescopes suffers from
turbulences in the atmosphere. Adaptive Optics (AO) systems use =
wavefront
sensor measurements of incoming light from guide stars to determine
an optimal shape of deformable mirrors (DM) such that the image of the
scientific object is corrected after reflection on the DM(s). The =
operation of
the AO systems of the new generation of large astronomical telescopes =
under
construction requires new mathematical methods that achieve =
reconstruction in real time. In the talk we will in particular focus on =
methods for wavefront
reconstruction from pyramid sensor data and an analysis of the =
atmospheric tomography operator.
################################################

Sincerely,

Kirk Soodhalter
################################################
Kirk M. Soodhalter
Ussher Assistant Professor in Numerical Analysis
Trinity College Dublin
The University of Dublin
School of Mathematics=20
ksoodha maths.tcd.ie 
http://math.soodhalter.com
Phone: +353-1-896 8515
School Fax: +353-1-896 2282
Skype: ksoodha
################################################

title:: Block Krylov methods for matrix function evaluations
content:: Ronny Ramlau (Johannes Kepler University, Linz, Austria) =
Inverse Problems in Adaptive Optics. =20
:: The image quality of ground based astronomical telescopes suffers =
from
:: turbulences in the atmosphere. Adaptive Optics (AO) systems use =
wavefront
:: sensor measurements of incoming light from guide stars to determine
:: an optimal shape of deformable mirrors (DM) such that the image of =
the
:: scientific object is corrected after reflection on the DM(s). The =
operation of
:: the AO systems of the new generation of large astronomical telescopes =
under
:: construction requires new mathematical methods that achieve =
reconstruction in real time. In the talk we will in particular focus on =
methods for wavefront
:: reconstruction from pyramid sensor data and an analysis of the =
atmospheric tomography operator.
date-time:: 13th March 2019 at 10:00
location:: New Seminar Room, Hamilton Building, School of Mathematics
endevent::


--Apple-Mail=_424D84B3-5788-4EBF-B0F2-16989C73071B
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	charset=us-ascii


Dear =
Colleagues,

This=
 email is to announce the next seminar of 2019 in the Trinity College =
Computational Applied Mathematics Seminar, which will take place this =
Wednesday, 13. March at 10am in the New Seminar Room, Hamilton =
Building, School of Mathematics.  

All are welcome.  Details of the seminar =
follow.

################################################

Speaker: Ronny Ramlau (Johannes Kepler =
University, Linz, Austria)
Time: Wednesday, 13. March at =
10am
Location: New Seminar Room, Hamilton =
Building, School of Mathematics

Title: Inverse Problems in Adaptive Optics

Abstract: 
The image quality of ground based =
astronomical telescopes suffers from
turbulences in the atmosphere. =
Adaptive Optics (AO) systems use wavefront
sensor measurements of incoming =
light from guide stars to determine
an optimal shape of deformable =
mirrors (DM) such that the image of the
scientific object is corrected =
after reflection on the DM(s). The operation of
the AO systems of the new =
generation of large astronomical telescopes under
construction requires new =
mathematical methods that achieve reconstruction in real time. In the =
talk we will in particular focus on methods for =
wavefront
reconstruction from =
pyramid sensor data and an analysis of the atmospheric tomography =
operator.
##############################################=
##

Sincerely,

Kirk Soodhalter


################################################
Kirk M. Soodhalter
Ussher Assistant Professor =
in Numerical Analysis
Trinity College Dublin
The University of Dublin
School of =
Mathematics 
ksoodha maths.tcd.ie
http://math.soodhalter.com
Phone: =
+353-1-896 8515
School Fax: +353-1-896 =
2282
Skype: ksoodha
################################################



title:: Block Krylov methods =
for matrix function evaluations
content:: Ronny =
Ramlau (Johannes Kepler University, Linz, Austria) Inverse =
Problems in Adaptive Optics.  
:: The image quality of =
ground based astronomical telescopes suffers from
:: =
turbulences in the atmosphere. Adaptive Optics (AO) systems use =
wavefront
:: sensor measurements of incoming =
light from guide stars to determine
:: an =
optimal shape of deformable mirrors (DM) such that the image of =
the
:: scientific object is corrected =
after reflection on the DM(s). The operation of
:: =
the AO systems of the new generation of large astronomical telescopes =
under
:: construction requires new =
mathematical methods that achieve reconstruction in real time. In the =
talk we will in particular focus on methods for =
wavefront
:: reconstruction from pyramid =
sensor data and an analysis of the atmospheric tomography =
operator.
date-time:: 13th March 2019 at =
10:00
location:: New Seminar Room, Hamilton =
Building, School of Mathematics
endevent::


=

--Apple-Mail=_424D84B3-5788-4EBF-B0F2-16989C73071B--

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 13 13:21:51 2019
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Date:         Wed, 13 Mar 2019 13:21:40 +0000
Reply-To:     George Rogers 
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From:         George Rogers 
Subject: Maths: DIAS, STP Seminar - Tuesday, 19 March, 4.30 pm
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DIAS THEORETICAL PHYSICS SEMINAR

Time: Tues. 19th March 2019, 4.30 pm

Speaker: Dr. Alessandro Romito

Title: Heat transfer from topologically protected dynamics of Majorana 
zero modes.

Abstract: Quantum systems can have degenerate ground states protected 
against local fluctuations with exponential accuracy in the system size 
due to topology (as opposed to symmetry) properties. In certain systems, 
like topological superconductors, the degenerate ground state is spanned 
by zero energy modes with non-abelian statistics, Majorana zero-modes. 
These excitations are of extreme interest for both their fundamental 
properties and as a platform to implement protected unitary operations 
for quantum information processing. A number of experiments have 
reported signatures of Majorana zero modes in engineered superconducting 
nanostructures. The actual focus of research is on controlling and 
detecting their topological dynamics.

In this talk, after reviewing the general properties of Majorana zero 
modes, I will discuss the energetics associated with the topological 
protected dynamics, specifically a Majorana zero-modes braiding in 
1-dimensional networks (e.g. quantum wires). This is a topologically 
protected non-trivial operation. I will show that the braiding operation 
is able to pump energy (heat) between two external reservoirs, as 
opposed to a vanishing pumped charge. The differential pumped heat per 
energy is quantised to a universal coefficient that reflects the system 
protected dynamics. I will finally discuss the robustness and generality 
of the findings and their implications for certain thermodynamic 
fluctuation theorems.

Place: Lecture Room, 1st Floor, School of Theoretical Physics, DIAS, 10 
Burlington Road, Dublin 4

All welcome!

&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&

title:: DIAS Theoretical Physics Seminar
content:: Dr. Alessandro Romito
date-time:: 19 March 2019, 4:30 pm
location:: School of Theoretical Physics, DIAS. 10 Burlington Road, D.4.
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 13 23:30:57 2019
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Date:         Wed, 13 Mar 2019 19:30:06 -0400
Reply-To:     Colm Mulcahy 
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From:         Colm Mulcahy 
Subject: maths: Donegal maths blog revisited
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--000000000000ddfed20584023101
Content-Type: text/plain; charset="UTF-8"

Greetings from the Rosses in Donegal.

The Donegal blog in June 2017 at http://www.mathsireland.ie/blog/2017_06_cm

was the first "regional/county" blog at

http://www.mathsireland.ie/blog

It was hoped that this (and similar blogs) would lead to people writing to
point out omissions; to our surprise, such communications have been
relatively scarce so far. (They would be very, very welcome!)

While we have thousands of Irish maths people documented at
http://cardcolm.org/AIMM.html there are a great number for whom we don't
know birth or home county (hence ALL county blogs are missing dozens of
people).

Typically this is because either the unidentified (by county) people lived
a long time ago, and info on them in general is sketchy, or they were born
after 1958, and hence Irish Birth Record Indices are not available for RoI
(of course NI public records stopped in 1922).

In the 21 months since the Donegal blog first went up, several people we
already knew about were identified as being from Donegal,

Being in Donegal, this week it seemed like an opportune time to add the new
people to the blog. Little did we realise how many had piled up: the number
of people featured has actually doubled!

All earlier entries have been checked, modified and polished.

HOWEVER, the interactive map has not yet been updated. We need technical
help with these maps in general; that's why they only showed up in the
first few county blogs.  If anyone can assist here, please speak up.
Thanks.

c

Colm Mulcahy, Professor of Mathematics, Spelman College, Sci 154, PO Box
953, Atlanta, GA 30314, USA,  colm spelman.edu, www.cardcolm.org,  cardcolm
 Annals of Irish Maths


--000000000000ddfed20584023101
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


Greetings from the =
Rosses in Donegal.

The Don=
egal blog in June 2017 at http://www.mathsireland.ie/blog/2017_06_cm

was=
 the first "regional/county" blog at=C2=A0

http://www.mathsireland.ie/b=
log

It was hoped that this (and similar bl=
ogs) would lead to people writing to point out omissions; to our surprise, =
such communications have been relatively scarce so far. (They would be very=
, very welcome!)

While we have thousands of Irish =
maths people documented at=C2=A0h=
ttp://cardcolm.org/AIMM.html there are a great number for whom we don&#=
39;t know birth or home county (hence ALL county blogs are missing dozens o=
f people).

Typically this is because either the un=
identified (by county) people lived a long time ago, and info on them in ge=
neral is sketchy, or they were born after 1958, and hence Irish Birth Recor=
d Indices are not available for RoI (of course NI public records stopped in=
 1922).

In the 21 months since the Donegal blog fi=
rst went up, several people we already knew about were identified as being =
from Donegal,=C2=A0

Being in Donegal, this week it=
 seemed like an opportune time to add the new people to the blog. Little di=
d we realise how many had piled up: the number of people featured has actua=
lly doubled!

All earlier entries have been checked=
, modified and polished.

HOWEVER, the interactive =
map has not yet been updated. We need technical help with these maps in gen=
eral; that's why they only showed up in the first few county blogs.=C2=
=A0 If anyone can assist here, please speak up.=C2=A0 Thanks.
c
Colm Mulcahy, Professor of Mathematics=
, Spelman College,=C2=A0Sci 154, PO Box 953, Atlanta, GA 30314, USA,=C2=A0=
=C2=A0colm spel=
man.edu,=C2=A0www.cardcolm.=
org,  cardcolm=C2=A0Annals of Irish Maths=C2=A0
<=
br>


--000000000000ddfed20584023101--

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Dear All,

Tomorrow Friday March 15 at 10.00, Hieu Ha Van will give a30-minute talk on
"Entry Pattern Matrices" in AdB-1020. Coffee in AdBG-022 will follow.
Everyone is welcome.





Contact: Rachel Quinlan



Hoping to see you all there,



Haixuan and Michael



Future seminars are listed at
http://www.nuigalway.ie/science/school-of-maths/seminars/

--000000000000bb71a405840b46a8
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable





Dea=
r All,



Tomo=
rrow Friday March 15 at 10.00, Hieu Ha Van will give a30-minute
talk on "Entry Pattern Matrices" in AdB-1020. Coffee in AdBG-022 =
will
follow. Everyone is welcome.



=C2=
=A0



=C2=
=A0



Cont=
act: Rachel Quinlan



=C2=
=A0



Hopi=
ng to see you all there,



=C2=
=A0



Haix=
uan and Michael



=C2=
=A0



Futu=
re seminars are listed at=C2=A0http://www.nuigalway.ie/science/school-of-maths/s=
eminars/






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From owner-mathdep LISTSERV.HEANET.IE  Thu Mar 14 10:34:28 2019
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Subject: maths: Maynooth Theoretical Physics Seminar tomorrow -- Hannah Price, Birmingham University -- Simulating higher spatial dimensions with atoms and photons
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Dear All,

Tomorrow, Friday, March 15th, there will be a Maynooth Theoretical Physics 
Seminar. Details follow below. All are most welcome to attend. 
-----------------------------------------------------------------------

Speaker: Hannah Price (Birmingham University)

Time:  Friday March 15th, 2pm
Place: Hall D, Arts building, Maynooth University North Campus

Title: Simulating higher spatial dimensions with atoms and photons

Abstract:
Spatial dimensionality deeply affects the physical phenomena which can 
emerge in a system. Our physical world has three spatial dimensions, and 
so condensed matter physicists have long asked what happens when quantum 
particles are effectively confined to move in 1D, 2D or 3D geometries. 
However, recent advances in ultracold atomic and photonics systems are now 
providing ways to go beyond these limitations, in order to simulate the 
physics associated with four or more effective spatial dimensions. As I 
will present, the development of techniques such as "synthetic 
dimensions" and "topological pumping" with photons or atoms can 
allow us to explore higher-dimensional phenomena, such as the 4D 
topological quantum Hall effect, for the first time.

------------------------------------------------------------------------

Apologies for the late notice. Hope to see some of you there,

Best regards,

Joost Slingerland
Department of Theoretical Physics
Maynooth University

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Subject: Maths: DIAS, STP Seminar - TODAY, 4.00 pm
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DIAS, STP Seminar - Thursday, 14 March, 4.00 pm
Speaker:  Professor Yongmin Cho, Sogang University, Korea

Title: The electroweak monopole: the theory behind it, properties and 
its relevance in cosmology

Time: 4pm, Thursday 14 March,
Place: Lecture Room, 1st Floor, School of Theoretical Physics, DIAS, 10 
Burlington Road, Dublin 4

Abstract: The electroweak monopole in the standard model, the existence, 
characteristic features, cosmological production, and physical 
implications are discussed. The discovery of Higgs particle has been 
thought to be the 'final' test of the standard model. If the standard 
model is correct, however, it must have the electroweak monopole as the 
electroweak generalization of the Dirac monopole. This means that the 
detection of this monopole should become the final and topological test 
of the standard model. If detected, it becomes the first magnetically 
charged and stable topological elementary particle in the history of 
physics. Moreover, it has deep implications in physics. In cosmology it 
could generate the primordial magnetic black holes which could explain 
the dark matter, become the seed of the large scale structures of the 
universe, and be the source of the intergalactic magnetic field. As 
importantly, it could generate the hitherto unknown magnetic current 
that could have huge practical applications. Furthermore the existence 
of the monopole requires us to reformulate the perturbative expansion in 
quantum field theory. This makes the detection of the electroweak 
monopole a most urgent issue. Useful tips for the MoEDAL detector at LHC 
and similar experiments to detect the monopole are discussed.


All welcome!

&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&

title:: DIAS Theoretical Physics Seminar
content:: Professor Yongmin Cho
date-time:: 14 March 2019 at 4:00 pm
location:: School of Theoretical Physics, DIAS. 10 Burlington Road, D.4.
endevent::

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Date:         Fri, 15 Mar 2019 10:51:04 +0000
Reply-To:     "Romina.Gaburro" 
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Subject: I: Maths: ICTP Gender Gap Meeting/ OWSD Early Career Fellowship for women scientists
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Dear Colleagues,

please see below the message from Marie-Francoise Roy about the meeting on =
the Gender Project at ICTP in Trieste this November 2019 and the call for a=
pplications for the OWSD Early Career Fellowship for women scientists.



Dear CWM ambassadors

Please feel free to distribute the information to your network.

a) Invitation to register to the Final  Meeting of the Gender Gap Project a=
t ICTP from 4 to 8 November.

You are kindly invited to register at the final  meeting of the Gender Gap =
in Science Project taking place at ICTP Trieste 4-8 november 2019.

The registration is now open at http://indico.ictp.it/event/8731/ . It will=
 be closed on August 2.

The first aim of the meeting at ICTP   is to report on the methodology, too=
ls produced and results of the project and formulate recommendations and op=
en questions based on its results. All talks will be informed by the result=
s of the survey, data analysis of publications, and compilation of good pra=
ctices.  A second aim  is to present the tools  of our project and make it =
possible for attendees to learn ow to use them and  answer their own questi=
ons.

The program of the meeting will include computer activities and discussions=
 in little groups.

There will be a selection process due to budget limitation and to our wish =
to ensure a geographical and thematical balance. If you have grants or fund=
ing you can use for your participation please say so when you register, it =
will make possible for more people to attend.

b) Call for Applications for OWSD Early Career Fellowship for women scienti=
sts NOW OPEN.

This Fellowship is a prestigious award of up to USD 50,000, generously prov=
ided by Canada=92s International Development Research Centre (IDRC), and is=
 offered to women scientists from eligible Science and Technology Lagging C=
ountries (STL=
Cs) who have completed their PhDs in science, technology, engineering and m=
athematics subjects within the last 10 years and are employed at an academi=
c or scientific research institute in one of the eligible countries. Early =
Career fellows are supported for two years to continue their research at an=
 international level while based at their home institutes, to build up rese=
arch groups that will attract international visitors, and to link with indu=
stry.

The fellowship provides funding for a wide range of expenses, including equ=
ipment, consumables, research visits, exchanges and programmes, teaching an=
d assistance, information resources, product development and linking with i=
ndustry, outreach, communications and networking, and other expenses. A ful=
l list of eligible expenses is available in the attached Call for Applicati=
ons. Fellows will also take part in two training workshops on leadership an=
d entrepreneurial skills.

All details regarding eligibility, specifications of the research projects,=
 selection and how to apply are available at: https://owsd.net/career-devel=
opment/early-career-women-scientists-ecws-fellowships

The deadline for completed online applications is 30 April 2019.

The official language for the application is English; however, all informat=
ion about the programme will also be available in French shortly at: https:=
//bit.ly/2IKPfRZ

A short video from a workshop with the first cohort of 2018 Early Career fe=
llows can be viewed at: https://www.youtube.com/watch?v=3DclEGGxjIz1g.

Please also find attached a poster which can be printed and posted at your =
institutions. We encourage you to share this opportunity with women scienti=
sts and others in your networks.

Questions about this fellowship can be sent to earlycareer owsd.net.

--
Marie-Francoise Roy
chair of the IMU Committee for Women in Mathematics mathunion.org/cwm/
coordinator of the Gender Gap in Science project gender-gap-in-science.org

Best wishes,

Romina

Dr. Romina Gaburro
Lecturer in Applied Mathematics
Department of Mathematics & Statistics
University of Limerick
Tel: +353 (0)61 213193
Fax: +353 (0)61 334927
Email: romina.gaburro ul.ie

--_000_268817BC53641D46A5221B6379D51491014380E6F3exMbx3ulcampu_
Content-Type: text/html; charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable








Dear Colleagues,













please see below the message from Marie-Francoise Roy about the meetin=
g on the
Gender Project at ICTP in Trieste this November =
2019 and the call for applications for the
OWSD Early Career Fellowship for women scientist=
s.















Dear CWM ambassadors


Please feel free to distribute the information to y=
our network.




a) Invitation to register to the Final  Mee=
ting of the Gender Gap Project at ICTP from 4 to 8 November.


You are kindly invited to register at the final&nbs=
p; meeting of the Gender Gap in Science Project taking place at ICTP Triest=
e 4-8 november 2019.



The registration is now open at 
http://indico.ictp.it/event/8731/ . It will be closed on August 2. 



The first aim of the meeting at ICTP   is to report on the method=
ology, tools produced and results of the project and formulate recommendati=
ons and open questions based on its results. All talks will be informed by =
the results of the survey, data analysis of
 publications, and compilation of good practices.  A second aim  =
is to present the tools  of our project and make it possible for atten=
dees to learn ow to use them and  answer their own questions.



The program of the meeting will include computer activities and discussions=
 in little groups.



There will be a selection process due to budget limitation and to our wish =
to ensure a geographical and thematical balance. If you have grants or fund=
ing you can use for your participation please say so when you register, it =
will make possible for more people
 to attend.


b) Call for Applications for OWSD Early Career F=
ellowship for women scientists NOW OPEN.

 

This Fellowship is a prestigious award of up to USD 50,000, generously prov=
ided by Canada=92s International Development Research Centre (IDRC), and is=
 offered to women scientists from eligible

Science and Technology Lagging Countries (STLCs) who have completed the=
ir PhDs in science, technology, engineering and mathematics subjects within=
 the last 10 years and are employed at an academic or scientific research i=
nstitute in one of the eligible
 countries. Early Career fellows are supported for two years to continue th=
eir research at an international level while based at their home institutes=
, to build up research groups that will attract international visitors, and=
 to link with industry.



The fellowship provides funding for a wide range of expenses, including equ=
ipment, consumables, research visits, exchanges and programmes, teaching an=
d assistance, information resources, product development and linking with i=
ndustry, outreach, communications
 and networking, and other expenses. A full list of eligible expenses is av=
ailable in the attached Call for Applications. Fellows will also take part =
in two training workshops on leadership and entrepreneurial skills.<=
span lang=3D"EN-IE">




All details regarding eligibility, specifications o=
f the research projects, selection and how to apply are available at:

https://owsd.net/career-development/early-career-women-scientists-ecws-fell=
owships



The deadline for completed online applications is <=
font size=3D"+1">
30 April 2019.



The official language for the application is English; however, all informat=
ion about the programme will also be available in French shortly at:
https://bit.ly/2IKPfRZ


A short video from a workshop with the first cohort=
 of 2018 Early Career fellows can be viewed at:

https://www.youtube.com/watch?v=3DclEGGxjIz1g.



Please also find attached a poster which can be printed and posted at your =
institutions. We encourage you to share this opportunity with women scienti=
sts and others in your networks.




Questions about this fellowship can be sent to 
earlycareer owsd.net. 


-- =0A=
Marie-Francoise Roy=0A=
chair of the IMU Committee for Women in Mathematics mathunion.org/cwm/=0A=
coordinator of the Gender Gap in Science project gender-gap-in-science.org<=
/pre>

Best wishes,

Romina


Dr. Romina Gaburro
Lecturer in Applied Mathematics
Department of Mathematics & Statistics
<=
div style=3D"font-family:'Segoe UI',Helvetica,Arial,sans-serif; white-space=
:normal; margin:0px">University of Limerick
<=
font face=3D"Goudy Old Style,serif" color=3D"#0070C0">Tel: +353 (0)61 2=
13193
Fax: +353 (0)61 334927=



















--_000_268817BC53641D46A5221B6379D51491014380E6F3exMbx3ulcampu_--

From owner-mathdep LISTSERV.HEANET.IE  Fri Mar 15 11:09:02 2019
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Date:         Fri, 15 Mar 2019 11:08:57 +0000
Reply-To:     "Romina.Gaburro" 
Sender:       UCD Maths Department Distribution List 
From:         "Romina.Gaburro" 
Subject: Maths: May 12 initiative in honour of Maryam Mirzakhani
To:           MATHDEP LISTSERV.HEANET.IE
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--_000_268817BC53641D46A5221B6379D51491014380F7E9exMbx3ulcampu_
Content-Type: text/plain; charset="iso-8859-1"
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Dear All,

please find below another message from Marie-Francoise regarding the Celebr=
ation for Women in Mathematics on May the 12th in honour of Maryam Mirzakha=
ni on the occasion of the day of her birthday.


Dear CWM ambassadors

This letter is to inform you about May 12, a Celebration for Women in
Mathematics,  https://may12.womeninmaths.org/#

  May 12 was chosen because it is the birthdate of Maryam Mirzakhani.
The initiative was  proposed by the Women's Committee of the Iranian
Mathematical Society and voted by a vast majority of attendees to (WM)=B2,
the World Meeting for Women on Mathematics on last July 31 in Rio.

Several suggestions for local activities around May 12 are listed on
https://may12.womeninmaths.org/#

The initiative is  supported by several organisations for women in
mathematics worldwide (European Women in Mathematics, Association for
Women in Mathematics, African Women in Mathematics Association, Indian
Women and Mathematics, Colectivo de Mujeres Matem=E1ticas de Chile and the
Women's Committee of the Iranian Mathematical Society).

The initiative is welcoming  the support of more organizations, the
conditions are as follows

- accepting to put the name of their organization on the website
- sending a contact name
- disseminating the initiative through their channels
- post the information of their activities around May 12 on the May 12
website.

Organizations are invited to contact the coordination group of May 12
through the website https://may12.womeninmaths.org/# or using the adress
may12 womeninmaths.org.

Please feel free to disseminate the information

All the best

Marie-Francoise

--
Marie-Francoise Roy
chair of the IMU Committee for Women in Mathematics mathunion.org/cwm/
coordinator of the Gender Gap in Science project gender-gap-in-science.org

Best wishes,

Romina

Dr. Romina Gaburro
Lecturer in Applied Mathematics
Department of Mathematics & Statistics
University of Limerick
Tel: +353 (0)61 213193
Fax: +353 (0)61 334927
Email: romina.gaburro ul.ie



--_000_268817BC53641D46A5221B6379D51491014380F7E9exMbx3ulcampu_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable










Dear All,







please find below another message from=
 Marie-Francoise regarding the Celebration for Women in Mathematics on
May the 12th in honour of Maryam Mirzakhani on t=
he occasion of the day of her birthday.












Dear CWM ambassadors



This letter is to =
inform you about May 12, a Celebration for Women in 

Mathematics, =
 https://may12.womeninma=
ths.org/#



  May 12=
 was chosen because it is the birthdate of Maryam Mirzakhani. <=
br style=3D"font-family: monospace; font-size: 16px;">
The initiative was=
  proposed by the Women's Committee of the Iranian 

Mathematical Socie=
ty and voted by a vast majority of attendees to (WM)=B2, 

the World Meeting =
for Women on Mathematics on last July 31 in Rio.



Several suggestion=
s for local activities around May 12 are listed on 

https://may12.womeninmaths.org/#=




The initiative is&=
nbsp; supported by several organisations for women in 

mathematics worldw=
ide (European Women in Mathematics, Association for 

Women in Mathemati=
cs, African Women in Mathematics Association, Indian 

Women and Mathemat=
ics, Colectivo de Mujeres Matem=E1ticas de Chile and the 

Women's Committee =
of the Iranian Mathematical Society).



The initiative is =
welcoming  the support of more organizations, the 

conditions are as =
follows



- accepting to put=
 the name of their organization on the website

- sending a contac=
t name

- disseminating th=
e initiative through their channels

- post the informa=
tion of their activities around May 12 on the May 12 

website.


Organizations are =
invited to contact the coordination group of May 12  

through the websit=
e https://may12.womeninm=
aths.org/#&nbs=
p;or
 using the adress 

may12 womeninmaths=
.org.



Please feel free t=
o disseminate the information



All the best



Marie-Francoise



-- 
Marie-Francoise Ro=
y

chair of the IMU C=
ommittee for Women in Mathematics mathunion.org/cwm/

coordinator of the=
 Gender Gap in Science project gender-gap-in-science.org






Best wishes,







Romina




=
Dr. Romina Gaburro
Lecturer in Applied Mathematics<=
/div>
=
Department of Mathematics & Statistics=

University of Limeri=
ck
Tel: +353 (0)=
61 213193
Fax: +=
353 (0)61 334927


















--_000_268817BC53641D46A5221B6379D51491014380F7E9exMbx3ulcampu_--

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Subject: Maths: MACSI Seminar: Seismic imaging with the elliptic Radon transform. Friday 22nd March, Room A2-002 4p.m. University of Limerick
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MACSI at the department of Mathematics and Statistics at the University of =
Limerick invites you to a seminar


Date: Friday,  22nd March 2019, Room A2-002   16.00


Speaker: Prof. Dr. Andreas Rieder (Department of Mathematics, Karlsruhe Ins=
titute of Technology, Germany).

 Title: Seismic imaging with the elliptic Radon transform.

 Abstract: The elliptic Radon transform (eRT) integrates functions over ell=
ipses (2D) and ellipsoids of revolution (3D). It thus serves as a model for=
 linearized seismic imaging under the common offset scanning geometry where=
 sources and receivers are offset by a constant vector. As an inversion for=
mula of eRT is unknown we propose certain imaging operators (generalized ba=
ckprojections) which allow to reconstruct some singularities of the searche=
d-for function from seismic measurements. We analyze these imaging operator=
s as pseudo-differential operators to understand how they map, emphasize or=
 de-emphasize singularities. Numerical examples illustrate the theoretical =
findings.

Further Information: If you have any questions regarding this seminar, plea=
se direct them to Romina Gaburro (061 2131930, email romina.gaburro ul.ie  or Clifford Nolan (061 202766), clifford.nolan=
 ul.ie).

---------------------------------------------------------------------------=
-
Supported by Science Foundation Ireland funding, MACSI - the Mathematics Ap=
plications Consortium for Science and Industry (www.macsi.ul.ie), centred at the University of Limerick, is dedicated to the m=
athematical modelling and solution of problems which arise in science, engi=
neering and industry in Ireland.








--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F0143971F29exMbx3ulcampu_
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MACSI at the dep=
artment of Mathematics and Statistics at the University of Limerick invites=
 you to a seminar


 


 


Date: Friday,  22nd March
 2019, Room A2-002   16.00


 


Speaker:=

Prof. Dr. Andreas Rieder (Department of Mathematics, Karlsruhe I=
nstitute of Technology, Germany).


 


 Title:
Seismic imaging with the elliptic Radon transform.


 


 Abstract:
The elliptic Radon transform (eRT) integrates functions over ell=
ipses (2D) and ellipsoids of revolution (3D). It thus serves as a model for=
 linearized seismic imaging under the common
 offset scanning geometry where sources and receivers are offset by a const=
ant vector. As an inversion formula of eRT is unknown we propose certain im=
aging operators (generalized backprojections) which allow to reconstruct so=
me singularities of the searched-for
 function from seismic measurements. We analyze these imaging operators as =
pseudo-differential operators to understand how they map, emphasize or de-e=
mphasize singularities. Numerical examples illustrate the theoretical findi=
ngs.


 


Further Informatio=
n: If you have any
 questions regarding this seminar, please direct them to Romina Gaburro (06=
1 2131930, email romina.gaburro ul.ie  or Clifford No=
lan (061 202766), clifford.nolan ul.ie).


 


--------------------------------------------------=
--------------------------


Supported by Science Foundation Ireland funding, M=
ACSI - the Mathematics Applications Consortium for
 Science and Industry (www.macsi.ul.ie), centred at the University of Limer=
ick, is dedicated to the mathematical modelling and solution of problems wh=
ich arise in science, engineering and
 industry in Ireland.


 


 


 


 


 


 


 






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From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 18 09:26:51 2019
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Reply-To:     Andrei Parnachev 
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From:         Andrei Parnachev 
Subject: maths: Dublin Theoretical Physics Colloquium March 20
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Dublin Theoretical Physics Colloquium

Time: Wednesday, 20th of March at 16:00 p.m.

Location: Synge Theatre, Hamilton Building, TCD


Speaker: Stefan Vandoren (Utrecht University)

Title: "Black holes from string and F-theory, and (0,4) CFTs"

Abstract:
we discuss macroscopic and microscopic aspects of four and five-dimensional
BPS black holes obtained from string theory and match the entropy from the
central charges of the dual (0,4) CFT.



All are welcome!



title:: Dublin Theoretical Physics Colloquium
content:: Stefan Vandoren (Utrecht University) will speak on
:: Black holes from string and F-theory, and (0,4) CFTs
date-time::  Wednesday the 20th of March at 16:00pm
location:: Synge Theatre, Hamilton Building, Trinity College Dublin
endevent::

--0000000000004ffa4d05845afc88
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<=
div dir=3D"ltr">
Dublin=C2=A0Theoretic=
al=C2=A0Physics=C2=A0Co=
lloquium

Time: Wednesday, 20th of March at 16:00 p.m.

=
Location:=C2=A0Synge=
=C2=A0Theatre, Hamilton B=
uilding, TCD

Speaker: Stefan Vandoren (Utrecht University)

Title: "Black ho=
les from string and F-theory, and (0,4) CFTs"

Abstract:=C2=A0
we discuss =
macroscopic and microscopic aspects of four and five-dimensional BPS black =
holes obtained from string theory and match the entropy from the central ch=
arges of the dual (0,4) CFT.



All are welcome!



title::=C2=
=A0Dublin=C2=A0Theoretical=C2=A0Physics=C2=A0Colloqui=
um
content::=C2=A0Stefan Vandoren (Utrecht University)=C2=A0will =
speak on
::=C2=A0Black =
holes from string and F-theory, and (0,4) CFTs
date-time::=C2=A0 =
Wednesday the 20th of March at 16:00pm
location::=C2=A0Synge=
=C2=A0Theatre, Hamilton Building, Trinity College=
=C2=A0Dublin
endevent::














--0000000000004ffa4d05845afc88--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 18 20:25:39 2019
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Reply-To:     Ruth Britto 
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From:         Ruth Britto 
Subject: maths: Theoretical Physics Seminar - TCD - 21 March
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TCD THEORETICAL PHYSICS SEMINAR
Thursday, 21 March 2019, 2:00 pm

Seminar Room, House 20
School of Mathematics=20
Trinity College Dublin

Speaker: Gim Seng Ng (TCD)
Title: Black Holes, Heavy States, Phase Shift and Anomalous Dimensions

Abstract:=20
We compute the phase shift of a highly energetic particle traveling in =
the background of an asymptotically AdS black hole. In the dual CFT, the =
phase shift is related to a four point function in the Regge limit. The =
black hole mass is translated to the ratio between the conformal =
dimension of a heavy operator and the central charge. This ratio serves =
as a useful expansion parameter; its power measures the number of stress =
tensors appearing in the intermediate channel. We compute the leading =
term in the phase shift in a holographic CFT of arbitrary dimensionality =
using Conformal Regge Theory and observe complete agreement with the =
gravity result. In a two-dimensional CFT with a large central charge the =
heavy-heavy-light-light Virasoro vacuum block reproduces the gravity =
phase shift to all orders in the expansion parameter. We show that the =
leading order phase shift is related to the anomalous dimensions of =
certain double trace operators and verify this agreement using known =
results for the latter. We also perform a separate gravity calculation =
of these anomalous dimensions to second order in the expansion parameter =
and compare with the phase shift expansion.

All are welcome.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

title:: TCD Theoretical Physics Seminar
content::Gim Seng Ng (TCD)
::Black Holes, Heavy States, Phase Shift and Anomalous Dimensions::
date-time:: 21 March 2019 at 2:00 pm
location::Seminar Room House 20, TCD
endevent::=

--Apple-Mail=_9FC7AA5F-7CCD-4F39-887C-8868D1EDB012
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	charset=us-ascii


TCD THEORETICAL PHYSICS SEMINAR
Thursday, 21 March 2019, 2:00 pm

Seminar Room, House 20
School of =
Mathematics 
Trinity College Dublin

Speaker: Gim Seng Ng (TCD)
Title: Black Holes, Heavy =
States, Phase Shift and Anomalous Dimensions

Abstract: 
We compute the phase =
shift of a highly energetic particle traveling in the background of an =
asymptotically AdS black hole. In the dual CFT, the phase shift is =
related to a four point function in the Regge limit. The black hole mass =
is translated to the ratio between the conformal dimension of a heavy =
operator and the central charge. This ratio serves as a useful expansion =
parameter; its power measures the number of stress tensors appearing in =
the intermediate channel. We compute the leading term in the phase shift =
in a holographic CFT of arbitrary dimensionality using Conformal Regge =
Theory and observe complete agreement with the gravity result. In a =
two-dimensional CFT with a large central charge the =
heavy-heavy-light-light Virasoro vacuum block reproduces the gravity =
phase shift to all orders in the expansion parameter. We show that the =
leading order phase shift is related to the anomalous dimensions of =
certain double trace operators and verify this agreement using known =
results for the latter. We also perform a separate gravity calculation =
of these anomalous dimensions to second order in the expansion parameter =
and compare with the phase shift expansion.

All =
are welcome.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D

title:: TCD =
Theoretical Physics Seminar
content::Gim Seng Ng =
(TCD)
::Black Holes, Heavy States, Phase Shift and Anomalous =
Dimensions::
date-time:: 21 March 2019 at =
2:00 pm
location::Seminar Room House 20, TCD
endevent::
=

--Apple-Mail=_9FC7AA5F-7CCD-4F39-887C-8868D1EDB012--

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar 19 10:22:59 2019
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Reply-To:     Seminars Maths NUIG 
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From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway (Thursday March 21): Good Practice with Machine Intelligence for Real-World Data
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Dear All,

We will have a Seminar Thursday (March 21) at 4pm in ADB1020.


Coffee/tea/cakes/biscuits will be served in ADB-G022 from 3:30.



Paulo Lisboa
from Liverpool John Moores University

 will speak on



=E2=80=9CGood Practice with Machine Intelligence for Real-World Data=E2=80=
=9D

Abstract: Abstract: Machine intelligence is often synonymous with
predictive models of exceptional accuracy. In classification they are
commonly evaluated solely on the basis of their predictive performance -
but is accuracy enough to validate a complex algorithm?  Non-linear models
will exploit any weaknesses in the data, for instance spurious correlations
and confounders, which can result in well performing models that are
entirely wrong.



The talk will illustrate some of the pitfalls in the design and validation
of black-box models based purely on data. It will then describe how rules
can be efficiently derived from neural networks so opening the black-box to
derive models that are simpler and transparent e.g. can represented exactly
with nomograms. Perhaps surprisingly, their accuracy is comparable to and
often better than that of the original model.



In the second part of the talk the theme of using simple and transparent
models to gain insights from complex data will be continued with an
application to tactical profiling of periods of possession in professional
football.



Link:
https://www.ljmu.ac.uk/about-us/staff-profiles/faculty-of-engineering-and-t=
echnology/department-of-applied-mathematics/paulo-lisboa



Contact: John Newell



Hoping to see you all there,



Haixuan and Michael



Future seminars are listed at
http://www.nuigalway.ie/science/school-of-maths/seminars/

--00000000000002a24f05846fe390
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable





Dea=
r All,



We w=
ill have a Seminar Thursday (March 21) at 4pm in ADB1020.





Coffee/tea/cakes/biscuits will be served in ADB-G022 from 3:30.
<=
font color=3D"#000000" face=3D"Times New Roman" size=3D"3">


=C2=
=A0



Paul=
o Lisboa 

from Liverpool John Moores University



=C2=A0will speak on 



=C2=
=A0



=E2=
=80=9CGood Practice with Machine
Intelligence for Real-World Data=E2=80=9D



Abst=
ract: Abstract: Machine intelligence is often synonymous
with predictive models of exceptional accuracy. In classification they are
commonly evaluated solely on the basis of their predictive performance - bu=
t is
accuracy enough to validate a complex algorithm?=C2=A0 Non-lin=
ear models will exploit any weaknesses
in the data, for instance spurious correlations and confounders, which can
result in well performing models that are entirely wrong.=C2=A0 



=C2=
=A0



The =
talk will illustrate some of the pitfalls in the design and
validation of black-box models based purely on data. It will then describe =
how
rules can be efficiently derived from neural networks so opening the black-=
box
to derive models that are simpler and transparent e.g. can represented exac=
tly
with nomograms. Perhaps surprisingly, their accuracy is comparable to and o=
ften
better than that of the original model.



=C2=
=A0



In t=
he second part of the talk the theme of using simple and
transparent models to gain insights from complex data will be continued wit=
h an
application to tactical profiling of periods of possession in professional
football.



=C2=
=A0



Link=
: https://www.ljmu.ac.uk/about-us/staff-profiles/faculty-=
of-engineering-and-technology/department-of-applied-mathematics/paulo-lisbo=
a



=C2=
=A0



Cont=
act: John Newell



=C2=
=A0



Hopi=
ng to see you all there,



=C2=
=A0



Haix=
uan and Michael



=C2=
=A0



Futu=
re seminars are listed at=C2=A0http://www.nuigalway.ie/science/school-of-maths/s=
eminars/






--00000000000002a24f05846fe390--

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar 19 12:41:21 2019
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Date:         Tue, 19 Mar 2019 12:43:14 +0000
Reply-To:     Vladimir Dotsenko 
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From:         Vladimir Dotsenko 
Subject: maths: Karen Uhlenbeck first woman to win the Abel Prize (fwd)
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Dear all, 

Perhaps this remarkable bit of news below would be of interest to you.

Yours,
Vladimir     

-------

    Oslo, 19.3.19
    
    KAREN UHLENBECK FIRST WOMAN TO WIN THE ABEL PRIZE
    
    The Norwegian Academy of Science and Letters has decided to award the
    Abel Prize for 2019 to Karen Keskulla Uhlenbeck of the University of
    Texas at Austin, USA “for her pioneering achievements in geometric
    partial differential equations, gauge theory and integrable systems, and
    for the fundamental impact of her work on analysis, geometry and
    mathematical physics.”
    His Majesty King Harald V will present the Abel Prize to the laureate at
    the award ceremony in Oslo on the 21st of May.
    
    The woman behind the numbers
    
    When Karen K. Uhlenbeck held a Plenary Lecture at the International
    Congress of Mathematicians (ICM) in Kyoto, Japan in 1990, she was only
    the second woman in history to have done so. The first was Emmy Noether
    in 1932. ICM is the world’s most important gathering of mathematicians.
    
    “The recognition of Uhlenbeck’s achievements should have been far
    greater, for her work has led to some of the most important advances in
    mathematics in the last 40 years.” – Jim Al-Khalili, Royal Society Fellow.
    
    Uhlenbeck is a mathematician, but she is also a role model and a strong
    advocate for gender equality in science and mathematics. As a child, she
    loved reading and dreamed of becoming a scientist. Today, Uhlenbeck is
    Visiting Senior Research Scholar at Princeton University as well as
    Visiting Associate at the Institute for Advanced Study (IAS). She is one
    of the founders of the Park City Mathematics Institute (PCMI) at IAS,
    which aims to train young researchers and promote mutual understanding
    of the interests and challenges in mathematics.
    
    She is also the co-founder of the Institute’s Women and Mathematics
    program (WAM), created in 1993 to recruit and empower women to lead in
    mathematics research at all stages of their academic careers.
    
    Filling the analyst’s toolbox
    
    “Karen Uhlenbeck receives the Abel Prize 2019 for her fundamental work
    in geometric analysis and gauge theory, which has dramatically changed
    the mathematical landscape. Her theories have revolutionized our
    understanding of minimal surfaces, such as those formed by soap bubbles,
    and more general minimization problems in higher dimensions.” – Hans
    Munthe-Kaas, Chair of the Abel Committee.
    
    Uhlenbeck developed tools and methods in global analysis, which are now
    in the toolbox of every geometer and analyst. Her work also lays the
    foundation for contemporary geometric models in mathematics and physics.
    
    Inspired by a fellow Abel Prize laureate, the late Sir Michael Atiyah,
    Uhlenbeck became interested in gauge theory. Gauge theory is the
    mathematical language of theoretical physics, and Uhlenbeck’s
    fundamental work in this area is essential for the modern mathematical
    understanding of models in particle physics, string theory and general
    relativity.
    
    
    About the Abel Prize
    
    The Abel Prize recognizes contributions to the field of mathematics that
    are of extraordinary depth and influence. It is presented annually in
    Oslo by His Majesty King Harald V, and is administered by the Norwegian
    Academy of Science and Letters on behalf of the Norwegian Ministry of
    Education and Research.
    
    The prize amount is NOK 6 million. The choice of laureate is based on
    the recommendations of the Abel Committee, which is composed of five
    internationally recognized mathematicians. The Abel Prize was
    established in 2002 on the 200th anniversary of Niels Henrik Abel’s
    birth, and it has been awarded to 19 laureates.
    
    Niels Henrik Abel (1802–1829) was a Norwegian mathematician. In spite of
    his short life, he made significant contributions to a variety of
    mathematical fields.
    
    Caption
    In 1987 Karen Keskulla Uhlenbeck moved to the University of Texas at
    Austin to take up the Sid W. Richardson Foundation Regents’ Chair in
    mathematics where she worked until 2014. Currently, Uhlenbeck is a
    Visiting Senior Research Scholar at Princeton University as well as
    Visitor in the School of Mathematics at the Institute for Advanced Study
    (IAS). Photo: Andrea Kane/Institute for Advanced Study
    
    Pictures can be downloaded from: Abelprize.no
    
    
    Press contacts:
    Marina Tofting, Director of Communications, Norwegian Academy of Science
    and Letters
    E-mail: marina.tofting dnva.no, | Mobile: +47 938 66 312
    
    Christine Sinatra | Director of Communications, University of Texas at
    Austin
    | College of Natural Sciences
    E-mail: christine.sinatra austin.utexas.edu, | Phone: 512-471-4641
    
    Elizabeth Boluch Wood, Chief Development Officer &
    Associate Director for Development and Communications IAS | Institute
    for Advanced Study
    E-mail: lizwood ias.edu | Phone: (609)734-8218
    
    For requests for interviews please contact:
    
     Lee Sandberg
     E-mail: lsandberg ias.edu
    Assistant Director, Public Relations
    (609) 455-4398
    
    Maurie Perl
    E-mail: mperl ias.edu)
    Senior Director, External Relations & Strategic Communications
    Phone: (609) 951-4542
    Mobile: (917) 678-8072
    
    Best regards
    
    Anne-Marie Astad
    Communications Adviser
    The Norwegian Academy of Science and Letters
    E-mail: anne.marie.astad dnva.no
    Mobile: +47 415 67 406
    
    
    

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar 19 12:54:57 2019
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Date:         Tue, 19 Mar 2019 12:56:53 +0000
Reply-To:     Vladimir Dotsenko 
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From:         Vladimir Dotsenko 
Subject: maths: mini-course by Francis Brown
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> This message is in MIME format. Since your mail reader does not understand
this format, some or all of this message may not be legible.

--B_3635845014_645787277
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	charset="UTF-8"
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Dear all,=20

=20

Francis Brown (HMI Simons Visiting Professor) will give a mini-course =E2=80=9CNe=
w perspectives on periods and integration, with applications to physics=E2=80=9D.=20

=20

The first meeting of that will take place at 2pm tomorrow (Wednesday March =
20) in TCD School of Mathematics Seminar Room (House 20, Westland Row, acces=
s from Hamilton Building); there will be another meeting at the same time an=
d location on Wednesday March 27, and =E2=80=93 tentatively =E2=80=93 a meeting on Tuesd=
ay April 2 (to be confirmed).=20

=20

Everyone is welcome to attend.

=20

All the best,

Vladimir

=20

Lines for mathdep web calendar entry:

=20

title:: Simons Foundation Distinguished Lecture Series

content:: Francis Brown (HMI Simons Visiting Professor)  will speak on
::  New perspectives on periods and integration, with applications to physi=
cs=20

date-time:: Wednesday, March 20 at 2:00pm
location:: School of Mathematics Seminar Room, TCD


--B_3635845014_645787277
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	charset="UTF-8"
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Dear all, 
 
<=
p class=3DMsoNormal>F=
rancis Brown (HMI Simons Visiting Professor) will give a mini-course<=
span lang=3DEN-GB style=3D'font-size:11.0pt;color:black'> =E2=80=9CNew perspectives on periods and integration, =
with applications to physics=E2=80=9D. 
 
The first meeting of =
that will take place at 2pm tomorrow (Wednesday March 20) in TCD School of M=
athematics Seminar Room (House 20, Westland Row, access from Hamilton Buildi=
ng); there will be another meeting at the same time and location on Wednesda=
y March 27, and =E2=80=93 tentatively =E2=80=93 a meeting on Tuesday April 2 (to be conf=
irmed). 
=
 
Everyone is welcome to attend.
 
All the best,
Vlad=
imir
=
 
Lines for mathdep web cale=
ndar entry:
 
title:: Simons Foundation Distinguished Lecture Series<=
/o:p>
content:: Francis Brown=
 (HMI Simons Visit=
ing Professor)  will speak on
::  New perspectives on periods and integration, with =
applications to physics 
date=
-time:: Wednesday, March 20 at 2:00pm
location:: School of Mathematics Seminar Room, TCD


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DIAS THEORETICAL PHYSICS SEMINAR

Time: Tues. 19th March 2019, 4.30 pm

Speaker: Dr. Alessandro Romito

Title: Heat transfer from topologically protected dynamics of Majorana zero modes.

Abstract: Quantum systems can have degenerate ground states protected against local fluctuations with exponential accuracy in the system size due to topology (as opposed to symmetry) properties. In certain systems, like topological superconductors, the degenerate ground state is spanned by zero energy modes with non-abelian statistics, Majorana zero-modes. These excitations are of extreme interest for both their fundamental properties and as a platform to implement protected unitary operations for quantum information processing. A number of experiments have reported signatures of Majorana zero modes in engineered superconducting nanostructures. The actual focus of research is on controlling and detecting their topological dynamics.

In this talk, after reviewing the general properties of Majorana zero modes, I will discuss the energetics associated with the topological protected dynamics, specifically a Majorana zero-modes braiding in 1-dimensional networks (e.g. quantum wires). This is a topologically protected non-trivial operation. I will show that the braiding operation is able to pump energy (heat) between two external reservoirs, as opposed to a vanishing pumped charge. The differential pumped heat per energy is quantised to a universal coefficient that reflects the system protected dynamics. I will finally discuss the robustness and generality of the findings and their implications for certain thermodynamic fluctuation theorems.

Place: Lecture Room, 1st Floor, School of Theoretical Physics, DIAS, 10 Burlington Road, Dublin 4

All welcome!

&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&

title:: DIAS Theoretical Physics Seminar
content:: Dr. Alessandro Romito
date-time:: 19 March 2019, 4:30 pm
location:: School of Theoretical Physics, DIAS. 10 Burlington Road, D.4.
endevent::

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*Speaker*: Diarmaid Hyland (DCU)

*Title*: Linking theory with practice: How mathematics education can inform
teaching at 3rd level

*Abstract*: An emerging concern in mathematics and science education in
recent years is a widening of the gap between theory and practice. Major
conferences in both fields have devoted plenaries to this discussion,
acknowledging that advances in education research are influencing practice
less and less in recent years. Though many factors combine to cause this,
what is certain is that student learning is not optimized without
meaningful communication and collaboration between researchers and
practitioners.

In this talk, ways of bridging the gap between theory and practice are
presented and discussed. Empirical research will form the basis for the
talk. In addition, examples from research conducted in DCU will punctuate
the discussion. The examples used are in the context of basic algebra and
calculus, and ordinary differential equations. The talk will be accessible
to anyone who is involved in teaching mathematics at third level.

*Location*: Wednesday, March 20, 2019 at 3pm in XG22, DCU

title:: DCU Maths Colloquium
content::  Diarmaid Hyland (DCU) will speak on
::      Linking theory with practice: How mathematics education can inform
teaching at 3rd level
date-time:: Wednesday 20th March, 2019 at 3pm
location:: XG22, DCU
endevent:

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Speaker:=C2=A0Diarmaid Hyland (DCU)

=

Title:=C2=A0Linking theory with practice: How mathematics=
 education can inform teaching at 3rd level=C2=A0=C2=A0

Abstract<=
/b>:=C2=A0An emerging concern in mathematics and science education in recen=
t years is a widening of the gap between theory and practice. Major confere=
nces in both fields have devoted plenaries to this discussion, acknowledgin=
g that advances in education research are influencing practice less and les=
s in recent years. Though many factors combine to cause this, what is certa=
in is that student learning is not optimized without meaningful communicati=
on and collaboration between researchers and practitioners.

In this =
talk, ways of bridging the gap between theory and practice are presented an=
d discussed. Empirical research will form the basis for the talk. In additi=
on, examples from research conducted in DCU will punctuate the discussion. =
The examples used are in the context of basic algebra and calculus, and ord=
inary differential equations. The talk will be accessible to anyone who is =
involved in teaching mathematics at third level.

=

Location:=C2=A0Wednesday, March 20, 2019 at 3=
pm in XG22, DCU=C2=A0=C2=A0

title:: DCU Maths Colloquium
conten=
t:: =C2=A0Diarmaid Hyland (DCU) will speak on
::=C2=A0 =C2=A0 =C2=A0

Linking theory with practice: How mathematics education can inform teaching=
 at 3rd level=C2=A0
date-time:: Wednesday 20th March, 2019 at 3pm
loc=
ation:: XG22, DCU
endevent:=C2=A0





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Date:         Tue, 19 Mar 2019 14:04:32 +0000
Reply-To:     Kwok Chuen Wong 
Sender:       UCD Maths Department Distribution List 
From:         Kwok Chuen Wong 
Subject: DCU Mathematical Finance Seminar - Antoine Jacquier (Imperial College)
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Dear colleagues,

We will have Mathematical Finance seminar on Friday (March 22).

Everybody welcome,

Ryan

title:: DCU Math Finance (Antoine Jacquier, Imperial College)
content:: Title of talk: Rough volatility for VIX options
:: We discuss here a new approach for price and calibrations options on the
VIX,
:: which are liquidly traded, and quoted on the CBOE.
:: Traditional models fail to capture both specificities of SPX and VIX
options, and
:: we endeavour to show here that some class of rough volatility models is
able to capture their behaviours.
:: This is based on a joint work with Blanka Horvath and Peter Tankov.

date-time:: 22nd March at 11:00am
location:: DCU Henry Grattan Building, CG12
endevent::

--=20
Kwok Chuen Wong, Ryan
Assistant Professor in Financial Mathematics
School of Mathematical Sciences, Dublin City University
X136, Lonsdale Building, Glasnevin, Dublin 9, Ireland
Tel: +353 1 7005291
Email: kwokchuen.wong dcu.ie

--=20
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files transmitted with it are confidential and are intended solely for use=
=20
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Dear colleagues,

We will have Math=
ematical Finance seminar on Friday (March 22).

Everybody welcome,
Ryan

title:: DCU Math Finance (Antoine Jacquier, Imperial Colle=
ge)
content:: Title of talk: Rough volatility for VIX options
:: We d=
iscuss here a new approach for price and calibrations options on the VIX, <=
br>:: which are liquidly traded, and quoted on the CBOE. 
:: Traditional=
 models fail to capture both specificities of SPX and VIX options, and 
=
:: we endeavour to show here that some class of rough volatility models is =
able to capture their behaviours. 
:: This is based on a joint work with=
 Blanka Horvath and Peter Tankov.

date-time:: 22nd March at 11:00am<=
br>location:: DCU Henry Grattan Building, CG12
endevent::

-- 
<=
div>
Kwok Chuen Wong, Ryan
Assistant Professor in Financial Mathematics=

School of Mathematical Sciences=
, Dublin City University
X136, Lonsdale Building, Glas=
nevin, Dublin 9, Ireland
T=
el: +353 1 7005291
Email:<=
/span> kwokchuen=
.wong dcu.ie
<=
/div>





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Dublin Mathematics Colloquium (March 21, 4pm)
TCD Geometry Seminar (March 22, 4pm)

Two talks by Marton Hablicsek (University of Copenhagen)

----------------------------------------------------
Dublin Mathematics Colloquium
Thursday, March 21 at 4:00pm
Synge Theatre, Hamilton Building, TCD

Title: Derived intersections and interactions with deformation theory

Abstract:
One purpose of derived algebraic geometry is to deal with bad situations in
geometry. In intersection theory, bad situations arise when the
intersection is not of the expected dimension or when the intersection is
highly singular. In my talk, I will use the theory of derived intersections
to compare intersections of Lagrangians in symplectic varieties (and higher
analogues) with their deformation quantizations. As applications, I will
show how one can obtain the Hodge theorem and how one can obtain extra
structures on deformation quantizations in positive characteristics.

----------------------------------------------------
TCD Geometry Seminar
Friday, March 22 at 4:00pm
New Seminar Room, Hamilton Building, TCD

Title: Extra structures on deformation quantizations of shifted symplectic
derived stacks in positive characteristics

Abstract:
Bezrukavnikov and Kaledin showed that convergent deformation quantizations
of symplectic varieties over a perfect field of positive characteristic
give rise to sheaves of Azumaya algebras. We investigate the structure of
the convergent quantization of shifted symplectic derived stacks,
especially the 1-shifted cotangent bundle S of a smooth scheme X over a
perfect field of positive characteristic. We show that the quantization is
an E2-algebra over the Frobenius twist S=E2=80=B2 of the 1-shifted cotangen=
t bundle
which restricted to the zero section X'-->S' is weakly E2-Morita equivalent
to the structure sheaf of the Frobenius twist X' of X.

----------------------------------------------------
title:: Dublin Mathematics Colloquium
content:: Marton Hablicsek (University of Copenhagen) will speak on
:: Derived intersections and interactions with deformation theory
:: https://www.maths.tcd.ie/~dmc/
date-time:: Thursday, March 21 at 4:00pm
location:: Synge Theatre, Hamilton Building, TCD
endevent::

title:: TCD Geometry Seminar
content:: Marton Hablicsek (University of Copenhagen) will speak on
:: Extra structures on deformation quantizations of shifted
:: symplectic derived stacks in positive characteristics
:: https://www.maths.tcd.ie/~dmc/
date-time:: Friday, March 22 at 4:00pm
location:: New Seminar Room, Hamilton Building, TCD
endevent::

--000000000000f3f0d9058476ac1f
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


Dublin Mathematics Colloquium (March 21, 4pm)
TCD Geome=
try Seminar (March 22, 4pm)

Two talks by Marton Hablicsek (Universit=
y of Copenhagen)

---------------------------------------------------=
-
Dublin Mathematics Colloquium
Thursday, March 21 at 4:00pm
Synge=
 Theatre, Hamilton Building, TCD

Title: Derived intersections and in=
teractions with deformation theory

Abstract:
One purpose of deriv=
ed algebraic geometry is to deal with bad situations in geometry. In inters=
ection theory, bad situations arise when the intersection is not of the exp=
ected dimension or when the intersection is highly singular. In my talk, I =
will use the theory of derived intersections to compare intersections of La=
grangians in symplectic varieties (and higher analogues) with their deforma=
tion quantizations. As applications, I will show how one can obtain the Hod=
ge theorem and how one can obtain extra structures on deformation quantizat=
ions in positive characteristics.

----------------------------------=
------------------
TCD Geometry Seminar
Friday, March 22 at 4:00pmNew Seminar Room, Hamilton Building, TCD

Title: Extra structures on=
 deformation quantizations of shifted symplectic derived stacks in positive=
 characteristics

Abstract:
Bezrukavnikov and Kaledin showed that =
convergent deformation quantizations of symplectic varieties over a perfect=
 field of positive characteristic give rise to sheaves of Azumaya algebras.=
 We investigate the structure of the convergent quantization of shifted sym=
plectic derived stacks, especially the 1-shifted cotangent bundle S of a sm=
ooth scheme X over a perfect field of positive characteristic. We show that=
 the quantization is an E2-algebra over the Frobenius twist S=E2=80=B2 of t=
he 1-shifted cotangent bundle which restricted to the zero section X'--=
>S' is weakly E2-Morita equivalent to the structure sheaf of the Fro=
benius twist X' of X.

------------------------------------------=
----------
title:: Dublin Mathematics Colloquium
content:: Marton Hab=
licsek (University of Copenhagen) will speak on
:: Derived intersections=
 and interactions with deformation theory
:: https://www.maths.tcd.ie/~dmc/
date-time:: Thursday,=
 March 21 at 4:00pm
location:: Synge Theatre, Hamilton Building, TCD
=
endevent::

title:: TCD Geometry Seminar
content:: Marton Hablicse=
k (University of Copenhagen) will speak on
:: Extra structures on deform=
ation quantizations of shifted 
:: symplectic derived stacks in positive=
 characteristics
:: https://w=
ww.maths.tcd.ie/~dmc/
date-time:: Friday, March 22 at 4:00pm
loca=
tion:: New Seminar Room, Hamilton Building, TCD
endevent::


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Dear Colleagues,



You are welcome to the following seminar:



UCC Mathematics Seminar



Time and location: 4-5pm, Tuesday 26 March 2019, WGB G04



Speaker:  Martin Traizet (University of Tours)



Title: Analogy between over-determined elliptic problems and constant mean =
curvature surfaces



Abstract: Please see attached file.

Best regards,

Spyros Dendrinos


--_000_DB7PR02MB4092920028E525E04A7CC486BA410DB7PR02MB4092eurp_
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Dear Coll=
eagues,









 



You are welcome to the following
seminar:



 



UCC
Mathematics Seminar



 



Time and location:
4-5pm, Tuesday 26 March 2019=
, WGB G04



 



Speaker:  Martin Tr=
aizet (University
 of Tours)



 



Title:
Analogy
 between over-determined elliptic problems and constant mean curvature surf=
aces<=
/span>



 



Abstract: Please se=
e attached file.




Best regards,


Spyros Dendrinos

















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Reply-To:     Christopher Boyd 
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From:         Christopher Boyd 
Subject: maths: Analysis Seminar in UCD on the 26th of March
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Tuesday 26th March, 2019  at 4.00pm  (place: UCD  Science North 125 )

Speaker Professor  Juergen Mueller (University of Trier, Germany).

Title:  Simultaneous Polynomial Approximation and Universality Properties
of Taylor Series
Abstract: Let $H(\D)$ denote the space of functions holomorphic in the unit
disc $\D$ endowed with the topology of locally uniform convergence. It is
known that for a residual set of functions in $H(\D)$ the partial sums of
the Taylor series behave extremely erratic outside $\D$. According to
classical results, for functions in Banach spaces of holomorphic functions
in $\D$ as for example the Hardy spaces or the Dirichlet space the
situation is quite different. We show that, however, to a certain extend
erratic behaviour still occurs. As a basic tool, results on simultaneous
approximation by polynomials play a role.




title:: ANALYSIS SEMINAR
content:: J. Mueller  will speak on
::  Simultaneous Polynomial Approximation and Universality Properties of
Taylor Series
date-time:: Tuesday 26th  March, 2019  at 4.00pm
location:: UCD  Science North 125
endevent::

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Tuesday 26th March, 2019=C2=A0 at 4.00pm=C2=A0 (place=
: UCD=C2=A0 Science North 125 )

Speaker Professor=
=C2=A0=C2=A0Juergen Mueller (University of Trier, Germany).

Title:=C2=A0 Sim=
ultaneous Polynomial Approximation and Universality Properties of Taylor Se=
ries 
Abstract: Let $H(\D)$ denote the space of=
 functions holomorphic in the unit disc=20
$\D$ endowed with the topology of locally uniform convergence. It is=20
known that for a residual set of functions in $H(\D)$  the partial sums=20
of the Taylor series behave extremely erratic outside $\D$. According to
 classical results, for functions in  Banach spaces of holomorphic=20
functions in $\D$ as for example the Hardy spaces or the Dirichlet space
 the situation is quite different. We show that, however,  to a certain=20
extend erratic behaviour still occurs. As a basic tool, results on=20
simultaneous approximation by polynomials play a role.    


=C2=A0


title:: ANALYSIS Simultaneous Pol=
ynomial Approximation and Universality Properties of Taylor Series <=
br>

date-time::  Tuesday 26th=C2=A0 March, 2019=C2=A0 at 4.00pm

location:: UCD=C2=A0 Science North 125 

endevent:: 


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Date:         Wed, 20 Mar 2019 12:16:04 +0000
Reply-To:     Jan Manschot 
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From:         Jan Manschot 
Subject: maths: HMI workshop "Gauge Theory and Virtual Invariants"
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Dear colleagues,

We would like to call your attention to the workshop =E2=80=9CGauge =
Theory and Virtual Invariants", which will take place from 13 - 17 May =
2019 at the Hamilton Mathematics Institute, TCD. For more details see =
the announcement below. We also invite you to visit our website ( =
https://www.maths.tcd.ie/~hmi/events/2019-May-Workshop-GTVI/ =
 ) and to =
forward the announcement to anyone you think might be interested.

Best wishes,

Martijn Kool, Jan Manschot and Sergey Mozgovoy


=
--------------------------------------------------------------------------=
--------------------------------------------------------------------------=
------------

HMI workshop "Gauge Theory and Virtual Invariants"
13 - 17 May 2019, Dublin=20

Gauge theories and moduli spaces form an active research field =
connecting physics and mathematics. The aim of this workshop is to =
discuss recent advances in both disciplines. In physics, consideration =
of a gauge theory on a four-manifold aids the understanding of its phase =
structure and path integral, while it gives also insights in =
four-manifold geometry and moduli spaces. On the mathematical side, =
progress is made recently on the formal definition of Vafa-Witten =
invariants and Donaldson-Thomas theory of pure dimension one sheaves on =
complex surfaces using virtual classes. We hope that the workshop will =
open the way for further progress, and that the lecture program will be =
of particular interest to young researchers in the field, including Phd =
students and postdocs.

Confirmed speakers:
Noah Arbesfeld (Imperial)
Lothar G=C3=B6ttsche (ICTP)
Sergei Gukov (Caltech/MPIM)
Dominic Joyce (Oxford)
Cristina Manolache (Imperial)
Pavel Putrov (ICTP)
Richard Thomas (Imperial)
Yukinobu Toda (IPMU)
Maxim Zabzine (Uppsala)

For more information and registration visit the website: =
https://www.maths.tcd.ie/~hmi/events/2019-May-Workshop-GTVI/ =


=
--------------------------------------------------------------------------=
--------------------------------------------------------------------------=
-----------=

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Dear colleagues,

We would like to call your attention to =
the workshop =E2=80=9CGauge Theory and Virtual Invariants", =
which will take place from 13 - 17 May 2019 at the Hamilton =
Mathematics Institute, TCD. For more details see the announcement below. =
We also invite you to visit our website ( https://www.maths.tcd.ie/~hmi/events/2019-May-Workshop-GTVI/ ) and to forward the announcement to anyone you think =
might be interested.

Best wishes,

Martijn Kool, Jan Manschot and Sergey Mozgovoy


---------------------------------------------------------------=
--------------------------------------------------------------------------=
-----------------------

HMI workshop "Gauge Theory and Virtual Invariants"
13 - 17 May 2019, =
Dublin 

Gauge =
theories and moduli spaces form an active research field connecting =
physics and mathematics. The aim of this workshop is to discuss recent =
advances in both disciplines. In physics, consideration of a gauge =
theory on a four-manifold aids the understanding of its phase structure =
and path integral, while it gives also insights in four-manifold =
geometry and moduli spaces. On the mathematical side, progress is made =
recently on the formal definition of Vafa-Witten invariants and =
Donaldson-Thomas theory of pure dimension one sheaves on complex =
surfaces using virtual classes. We hope that the workshop will open the =
way for further progress, and that the lecture program will be of =
particular interest to young researchers in the field, including Phd =
students and postdocs.
Confirmed =
speakers:
Noah Arbesfeld =
(Imperial)
Lothar G=C3=B6ttsche (ICTP)
Sergei Gukov (Caltech/MPIM)
Dominic =
Joyce (Oxford)
Cristina Manolache =
(Imperial)
Pavel Putrov (ICTP)
Richard Thomas (Imperial)
Yukinobu Toda =
(IPMU)
Maxim Zabzine (Uppsala)

For more information and =
registration visit the website: https://www.maths.tcd.ie/~hmi/events/2019-May-Workshop-GTVI/

---------------------------------------------------------------=
--------------------------------------------------------------------------=
----------------------
=

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Date:         Wed, 20 Mar 2019 17:04:11 +0000
Reply-To:     "Wills, Stephen" 
Sender:       UCD Maths Department Distribution List 
From:         "Wills, Stephen" 
Subject: maths: Simon Singh to speak at Irish Mathematical Student Association Conference this weekend
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Dear all,



Simon Singh, former BBC television presenter and bestselling author of book=
s such as Fermat's Last Theorem, The Code Book, and The Simpsons and their =
Mathematical Secrets, will be one of the speakers at the annual Irish Mathe=
matical Student Association conference this weekend, hosted this year by th=
e UCC Mathematical Society.



The full run down for the talks, all of which take place in the Aula Maxima=
, are as follows:



Saturday 23rd March

10:00-11:00         Tea/Coffee

11:00-12:00         "Exciting Results in Data Analytics" by Dr Helmut Simon=
is (UCC)

12:00-13:00         Student Lecture Competition

13:00-14:00         Lunch

14:00-15:00         "Constant Mean Curvature Surfaces" by Dr Martin Kilian =
(UCC)

15:00-16:00         "The Simpsons and their Mathematical Secrets" by Simon =
Singh MBE



Free admission. No booking required. All welcome.



More details here:



www.facebook.com/uccmathsoc



Regards,

Stephen




--_000_DB7PR02MB4933294761A75CB48A66F3849D410DB7PR02MB4933eurp_
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Dear all,


 


Simon Singh, former BBC television presenter and =
bestselling author of books such as Fermat's Last Theorem, The Code Book, a=
nd The Simpsons and their Mathematical Secrets, will be one of the speakers=
 at the annual Irish Mathematical
 Student Association conference this weekend, hosted this year by the UCC M=
athematical Society.


 


The full run down for the talks, all of which tak=
e place in the Aula Maxima, are as follows:


 


Saturday 23rd March


10:00-11:00       &=
nbsp; Tea/Coffee


11:00-12:00      &n=
bsp;  "Exciting Results in Data Analytics" by Dr Helmut Simo=
nis (UCC)


12:00-13:00       &=
nbsp; Student Lecture Competition


13:00-14:00       &=
nbsp; Lunch


14:00-15:00       &=
nbsp; "Constant Mean Curvature Surfaces" by Dr Martin Kilian (UCC=
)


15:00-16:00       &=
nbsp; "The Simpsons and their Mathematical Secrets" by Simon Sing=
h MBE


 


Free admission. No booking required. All welcome.=



 


More details here:


 


ww=
w.facebook.com/uccmathsoc


 


Regards,


Stephen


 




 






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From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 20 19:25:53 2019
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Date:         Wed, 20 Mar 2019 15:25:07 -0400
Reply-To:     Colm Mulcahy 
Sender:       UCD Maths Department Distribution List 
From:         Colm Mulcahy 
Subject: maths: Donegall Lecturers of Mathematics at TCD
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Please see
https://en.wikipedia.org/wiki/Donegall_Lecturership_at_Trinity_College_Dublin

It's a sketch of a Wikipedia page documenting the Donegall Lecturers of
Mathematics at TCD over the centuries.

TCD records use both the Donegall and Donegal spellings, depending on the
era.  The former seems to be more accurate in view of the
https://en.wikipedia.org/wiki/Arthur_Chichester,_1st_Baron_Chichester
inspiration for the position.

The DL WP is clearly incomplete, ending with:


- 1876: Benjamin Williamson

(1828-1916)
- 1884: Arthur Panton (1843-1906)
- 1904: Robert Russell (1858?-1938)
- 1921: Charles Henry Rowe
 (1893-1943)
- 1969: James Hamilton
 (1918-2000)
- 1973: Dennis Sciama 
(1926-1999)
- 1986: Roy Kerr  (born 1934)
- 2004: Ludvig Faddeev 
(1934-2017)
- 2005: Tony Bell 

Googling has not brought up other names.

It is believed that Rowe served in this role until 1926, and that the
position lay vacant until about 1967.

Since then, it is assigned to one person for one academic year, and that
person gives 3 lectures (sometime all at TCD, sometimes split between TCD,
DIAS and UCD).

More info, name, and dates are very welcome.  We see to be missing at least
40 people from living memory:-)

Thanks

c

Colm Mulcahy, Professor of Mathematics, Spelman College, Sci 154, PO Box
953, Atlanta, GA 30314, USA, (404) 270-5837, colm spelman.edu,  Annals of
Irish Maths 

--00000000000097f7ec05848b9647
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It's a=
 sketch of a Wikipedia page documenting the=C2=A0Donegall Lecturers of Math=
ematics at TCD over the centuries.

TCD records use=
 both the Donegall and Donegal spellings, depending on the era.=C2=A0 The f=
ormer seems to be more accurate in view of the https://en.wikipedia.=
org/wiki/Arthur_Chichester,_1st_Baron_Chichester inspiration for the po=
sition.

The DL WP is clearly incomplete, ending wi=
th:


  • 1876: Benjamin Williamson (1828-1916)
    • 

  • 1884: Arthur Panton (1843-1906)
    • 

  • 1904: Robert Russell (1858?-1938)
    • 

  • 1921: Charles Henry Rowe (1893-1943)
    • 

  • 1969: James Hamilton (1918-2000)

  • 1973: Dennis Sciama (1926-1999)

  • 1986: Roy Kerr (born 1934)
    • 

  • 2004: Ludvig Faddeev (1934-2017)
    • 

  • 2005: Tony Bell

    • =
Googling has not brought up other names.

    It is bel=
ieved that Rowe served in this role until 1926, and that the position lay v=
acant until about 1967.=C2=A0 =C2=A0

    Since then, i=
t is assigned to one person for one academic year, and that person gives 3 =
lectures (sometime all at TCD, sometimes split between TCD, DIAS and UCD).<=
/div>

    More info, name, and dates are very welcome.=C2=A0=
 We see to be missing at least 40 people from living memory:-)
    Thanks

    c

    Colm Mulcahy, Professor of Mathematics, Spelman College,=C2=A0Sci=
 154, PO Box 953, Atlanta, GA 30314, USA, (404) 270-5837, colm spelman.edu,=C2=
=A0=C2=A0Annals of Irish Maths=C2=A0

    

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Date:         Thu, 21 Mar 2019 10:26:14 +0300
Reply-To:     Kazim Buyukboduk 
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From:         Kazim Buyukboduk 
Subject: maths: UCD Algebra and Number Theory Seminar (Mar 28)
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UCD Algebra and Number Theory Seminar


*Speaker:* Christian Korff (Glasgow)
*Title:* Yang-Baxter algebras and Gromov-Witten invariants of Grassmannians

*Abstract:* Solutions of the Yang-Baxter equation (often also known as the
braid relation) play an important role in the representation theory of
quantum groups and vice versa. Using a simple combinatorial model we show
how such solutions to the Yang-Baxter equation arise when counting exact
matchings or dimer configurations on the honeycomb lattice. With each such
solution one can associate an associative algebra, called the Yang-Baxter
algebra, which contains a commutative subalgebra. For the dimer model the
latter turns out to be isomorphic to the quantum cohomology of
Grassmannians and we state an independent geometric construction of the
Yang-Baxter algebra.

*Date:* Thursday, March 28, 2019
*Time:* 2:00pm
*Location:* Room 1.25, O=E2=80=99Brien Centre for Science (North) (map

)

title:: UCD Algebra and Number Theory Seminar
content:: Christian Korff (Glasgow) will speak on
:: Yang-Baxter algebras and Gromov-Witten invariants of Grassmannians
date-time:: Thursday, March 28, 2019 at 2:00pm
location:: Room 1.25, O=E2=80=99Brien Centre for Science (North)
endevent::

--000000000000e9bf77058495a7d5
Content-Type: text/html; charset="UTF-8"
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    UCD Algebra and Number Theory Seminar

    Speaker:=C2=A0Christian Korff=C2=A0(Glasgow)
    Title:=C2=A0Yang-B=
axter algebras and Gromov-Witten invariants of Grassmannians

    Abstract:=C2=A0Solutions of the Yang-Baxter equation (o=
ften also known as the braid relation) play an important role in the repres=
entation theory of quantum groups and vice versa. Using a simple combinator=
ial model we show how such solutions to the Yang-Baxter equation arise when=
 counting exact matchings or dimer configurations on the honeycomb lattice.=
 With each such solution one can associate an associative algebra, called t=
he Yang-Baxter algebra, which contains a commutative subalgebra. For the di=
mer model the latter turns out to be isomorphic to the quantum cohomology o=
f Grassmannians and we state an independent geometric construction of the Y=
ang-Baxter algebra.

    <=
b>Date:=C2=A0Thursday, March 28, 2019
    Time:=C2=A02:00p=
m
    Location:=C2=A0Room 1.25, O=E2=80=99Brien Centre for Science (North) =
(map)

    title:: UCD Algebra and Number Theory Seminar
    content::=C2=A0Christia=
n Korff=C2=A0(Glasgow)=C2=A0will speak on
    ::=C2=A0Yang-=
Baxter algebras and Gromov-Witten invariants of Grassmannians
    date-time:=
: Thursday, March 28, 2019 at 2:00pm
    location::=C2=A0Room 1.25, O=E2=80=99Bri=
en Centre for Science (North)
    endevent::
    <=
/div>
    

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Date:         Thu, 21 Mar 2019 08:00:37 +0000
Reply-To:     Sergey Mozgovoy 
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From:         Sergey Mozgovoy 
Subject: maths: TODAY - Dublin Mathematics Colloquium
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Dublin Mathematics Colloquium

Thursday, March 21 at 4:00pm
Synge Theatre, Hamilton Building, TCD

Speaker: Marton Hablicsek (University of Copenhagen)

Title: Derived intersections and interactions with deformation theory

Abstract:
One purpose of derived algebraic geometry is to deal with bad situations in
geometry. In intersection theory, bad situations arise when the
intersection is not of the expected dimension or when the intersection is
highly singular. In my talk, I will use the theory of derived intersections
to compare intersections of Lagrangians in symplectic varieties (and higher
analogues) with their deformation quantizations. As applications, I will
show how one can obtain the Hodge theorem and how one can obtain extra
structures on deformation quantizations in positive characteristics.

--000000000000df5316058496222e
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    Dublin Mathema=
tics Colloquium

    Thursday, March 21 at 4:00pm<=
br>Synge Theatre, Hamilton Building, TCD

    Speaker: Marton Hablicsek (=
University of Copenhagen)

    =
Title: Derived intersections and interactions with deformation theory
    Abstract:
    One purpose of derived algebraic geometry is to deal with ba=
d situations in geometry. In intersection theory, bad situations arise when=
 the intersection is not of the expected dimension or when the intersection=
 is highly singular. In my talk, I will use the theory of derived intersect=
ions to compare intersections of Lagrangians in symplectic varieties (and h=
igher analogues) with their deformation quantizations. As applications, I w=
ill show how one can obtain the Hodge theorem and how one can obtain extra =
structures on deformation quantizations in positive characteristics.
    

    

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Date:         Thu, 21 Mar 2019 10:32:28 +0000
Reply-To:     Seminars Maths NUIG 
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From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway (Today): Good Practice with Machine Intelligence for Real-World Data
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Dear All,

We will have a Seminar today at 4pm in ADB1020.


Coffee/tea/cakes/biscuits will be served in ADB-G022 from 3:30.



Paulo Lisboa
>From Liverpool John Moores University

 will speak on



=E2=80=9CGood Practice with Machine Intelligence for Real-World Data=E2=80=
=9D

Abstract: Abstract: Machine intelligence is often synonymous with
predictive models of exceptional accuracy. In classification they are
commonly evaluated solely on the basis of their predictive performance -
but is accuracy enough to validate a complex algorithm?  Non-linear models
will exploit any weaknesses in the data, for instance spurious correlations
and confounders, which can result in well performing models that are
entirely wrong.



The talk will illustrate some of the pitfalls in the design and validation
of black-box models based purely on data. It will then describe how rules
can be efficiently derived from neural networks so opening the black-box to
derive models that are simpler and transparent e.g. can represented exactly
with nomograms. Perhaps surprisingly, their accuracy is comparable to and
often better than that of the original model.



In the second part of the talk the theme of using simple and transparent
models to gain insights from complex data will be continued with an
application to tactical profiling of periods of possession in professional
football.



Link:
https://www.ljmu.ac.uk/about-us/staff-profiles/faculty-of-engineering-and-t=
echnology/department-of-applied-mathematics/paulo-lisboa



Contact: John Newell



Hoping to see you all there,



Haixuan and Michael



Future seminars are listed at
http://www.nuigalway.ie/science/school-of-maths/seminars/

--000000000000f286db0584984100
Content-Type: text/html; charset="UTF-8"
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    Dea=
r All,
    


    We w=
ill have a Seminar today at 4pm in ADB1020.
    



    
Coffee/tea/cakes/biscuits will be served in ADB-G022 from 3:30.
    <=
font color=3D"#000000" face=3D"Times New Roman" size=3D"3">


    =C2=
=A0
    


    Paul=
o Lisboa 
    
>From Liverpool John Moores University
    


    =C2=A0will speak on 
    


    =C2=
=A0
    


    =E2=
=80=9CGood Practice with Machine
Intelligence for Real-World Data=E2=80=9D
    


    Abst=
ract: Abstract: Machine intelligence is often synonymous
with predictive models of exceptional accuracy. In classification they are
commonly evaluated solely on the basis of their predictive performance - bu=
t is
accuracy enough to validate a complex algorithm?=C2=A0 Non-lin=
ear models will exploit any weaknesses
in the data, for instance spurious correlations and confounders, which can
result in well performing models that are entirely wrong.=C2=A0 
    


    =C2=
=A0
    


    The =
talk will illustrate some of the pitfalls in the design and
validation of black-box models based purely on data. It will then describe =
how
rules can be efficiently derived from neural networks so opening the black-=
box
to derive models that are simpler and transparent e.g. can represented exac=
tly
with nomograms. Perhaps surprisingly, their accuracy is comparable to and o=
ften
better than that of the original model.
    


    =C2=
=A0
    


    In t=
he second part of the talk the theme of using simple and
transparent models to gain insights from complex data will be continued wit=
h an
application to tactical profiling of periods of possession in professional
football.
    


    =C2=
=A0
    


    Link=
: https://www.ljmu.ac.uk/about-us/staff=
-profiles/faculty-of-engineering-and-technology/department-of-applied-mathe=
matics/paulo-lisboa
    


    =C2=
=A0
    


    Cont=
act: John Newell
    


    =C2=
=A0
    


    Hopi=
ng to see you all there,
    


    =C2=
=A0
    


    Haix=
uan and Michael
    


    =C2=
=A0
    


    Futu=
re seminars are listed at=C2=A0http://www.nuigalway.ie/science/school-of-maths/s=
eminars/

    


    =C2=A0=

    


    

--000000000000f286db0584984100--

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Reply-To:     "Compelli, Alan" 
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From:         "Compelli, Alan" 
Subject: Maths: UCC Applied Mathematics Seminar, Thursday 28 March
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Dear Colleagues,

All are welcome at the following seminar:


UCC Applied Mathematics Seminar

Speaker: Eugene O'Riordan (DCU)

Time and location: 12pm, Thursday 28 March, WGB G02

Title: Numerical methods for singularly perturbed problems

Abstract: Modern software packages can generate numerical solutions to many=
 modelling problems, which can involve coupled systems of nonlinear partial=
 differential equations posed over domains with complicated geometries.
However, these computed solutions are only approximations to any possible s=
olution of the continuous problem. The crucial question of how accurate the=
se approximations might be, is often simply not asked or, at best, parked f=
or another day.
This issue  is discussed within the context of evaluating computed approxim=
ations to the solutions of singularly perturbed elliptic and parabolic prob=
lems.

 ---------------------

Dr Alan Compelli
Postdoctoral Researcher
School of Mathematical Sciences
University College Cork
Ireland

+353 21 420 5813

title:: UCC Applied Maths Seminar
date-time:: Thursday 28 March AT 12pm
location:: WGB G02
content:: Eugene O'Riordan
:: (DCU)
:: presents a talk entitled
:: "Numerical methods for singularly perturbed problems"
endevent::


--_000_DB6PR0202MB2918084607DAF33A9F7D9D7A9C430DB6PR0202MB2918_
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    Dear Co=
lleagues, 

    


    
All are welcome at the following seminar: 
    

     
    

    UCC&=
nbsp;Applied Mathematics Seminar

    

     <=
/span>
    

    Spea=
ker: Eugene O'=
Riordan (DCU)
    


    
Time and location: 12pm, Thursday 28 March, WGB G02
    


    
Title: Numerical methods for singularly perturbed problems
    


    
Abstract:     Modern so=
ftware packages can generate numerical solutions to many modelling problems=
, which can involve coupled systems of nonlinear partial differential equat=
ions posed over domains with complicated
 geometries.
    

    However=
, these computed solutions are only approximations to any possible solution=
 of the continuous problem. The crucial question of how accurate these appr=
oximations might be, is often simply
 not asked or, at best, parked for another day. 
    

    This is=
sue  is discussed within the context of evaluating computed approximat=
ions to the solutions of singularly perturbed elliptic and parabolic proble=
ms.
    

     
    

     ---------------------
    

     
    

    Dr Alan Compelli
    
Postdoctoral Researcher
    
School of Mathematical Sciences
    
University College Cork
    
Ireland
    

    
+353 21 420 5813
    

     
    

    title:: U=
CC
Applied 
Maths Seminar
    
date-time:: Thursday 28 March AT 12pm
    
location:: WGB G02
    
content:: Eugene O'Riordan
    

    :: (DCU)<=
o:p>
    

    :: presen=
ts a talk entitled
    
:: "Numerical methods for singularly perturbed problems    "
    

    endevent::
    

     
    

    



--_000_DB6PR0202MB2918084607DAF33A9F7D9D7A9C430DB6PR0202MB2918_--

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Reply-To:     Jan Manschot 
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From:         Jan Manschot 
Subject: maths: Dublin Theoretical Physics Colloquium March 27
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Dublin Theoretical Physics Colloquium

Time: Wednesday, 27th of March at 16:00 pm.

Location: Synge Theatre, House 20, Westland Row, Trinity College Dublin.

Speaker: Chris Blair (Brussels)

Title: Non-Riemannian geometry of M-theory from Exceptional Field Theory

Abstract:=20
I will discuss how the ``extended geometry'' of double field theory =
(DFT) and exceptional field theory (ExFT) provides a platform to study =
what one could generally call ``non-Riemannian geometry'' in string and =
M-theory. I will introduce DFT and ExFT as reformulations of =
supergravity that geometrise diffeomorphisms and gauge transformations =
into local O(d,d) or E_{d(d)} generalised diffeomorphisms, while =
unifying metric and form degrees of freedom into generalised tensors =
transforming under these generalised diffeomorphisms. The theory =
involves extra coordinates, however with all fields subject to a =
covariant constraint on the coordinate dependence: solutions of this =
constraint lead back to 10 or 11 dimensions, but solving it in different =
ways gives different (dual) supergravities. As well as describing =
conventional supergravity backgrounds, we can use the extended geometry =
of DFT/ExFT to describe T- and U-folds (where there is a global patching =
by a duality transformation), O-folds (where there is a global quotient =
by a duality transformation) and backgrounds where there is a degenerate =
spacetime geometry. The latter case includes non-relativistic =
geometries, as well as unusual backgrounds in which there is no =
conventional geometric structure in spacetime at all, leading to novel =
chiral or topological theories. Based on: =
https://arxiv.org/abs/1902.01867  and =
https://arxiv.org/abs/1805.04524 


=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Future speakers:  =20
3rd of April Debasish Banerjee
10th of April Francesca Day

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D



title:: Dublin Theoretical Physics Colloquium
content:: Chris Blair will speak on =20
:: Non-Riemannian geometry of M-theory from Exceptional Field Theory
date-time::  Wednesday the 27th of March at 16:00pm
location:: Synge Theatre, School of Mathematics, Trinity College Dublin
endevent::=

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	charset=us-ascii


    Dublin Theoretical Physics Colloquium

    Time: Wednesday, 27th =
of March at 16:00 pm.

    Location: Synge =
Theatre, House 20, Westland Row, Trinity College Dublin.

    Speaker: Chris Blair (Brussels)

    Title: Non-Riemannian geometry of M-theory from Exceptional Field =
Theory

    Abstract: 
    I will discuss how the ``extended geometry'' of =
double field theory (DFT) and exceptional field theory (ExFT) provides a =
platform to study what one could generally call ``non-Riemannian =
geometry'' in string and M-theory. I will introduce DFT and ExFT as =
reformulations of supergravity that geometrise diffeomorphisms and gauge =
transformations into local O(d,d) or E_{d(d)} generalised =
diffeomorphisms, while unifying metric and form degrees of freedom into =
generalised tensors transforming under these generalised =
diffeomorphisms. The theory involves extra coordinates, however with all =
fields subject to a covariant constraint on the coordinate dependence: =
solutions of this constraint lead back to 10 or 11 dimensions, but =
solving it in different ways gives different (dual) supergravities. As =
well as describing conventional supergravity backgrounds, we can use the =
extended geometry of DFT/ExFT to describe T- and U-folds (where there is =
a global patching by a duality transformation), O-folds (where there is =
a global quotient by a duality transformation) and backgrounds where =
there is a degenerate spacetime geometry. The latter case includes =
non-relativistic geometries, as well as unusual backgrounds in which =
there is no conventional geometric structure in spacetime at all, =
leading to novel chiral or topological theories. Based on: https://arxiv.org/abs/1902.01867 and https://arxiv.org/abs/1805.04524



    =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D
    Future =
speakers:   
    <=
/blockquote>
    3rd of April Debasish =
Banerjee
    10th =
of April Francesca Day

    =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D



    title:: Dublin =
Theoretical Physics Colloquium
    content:: Chris =
Blair will speak on =
 
    :: Non-Riemannian geometry of M-theory from =
Exceptional Field =
Theory
    <=
/div>
    date-time::  Wednesday =
the 27th of March at =
16:00pm
    =

    location:: Synge =
Theatre, School of Mathematics, Trinity College Dublin
    endevent::
    =

    =

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Subject: maths: Theoretical Physics Seminar - TCD - 28 March
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TCD THEORETICAL PHYSICS SEMINAR
Thursday, 28 March 2019, 2:00 pm

Seminar Room, House 20
School of Mathematics=20
Trinity College Dublin

Speaker: Brenda Penante (CERN)
Title: Elliptic polylogarithms and Feynman integrals

Abstract:=20
In this talk I discuss classes of function useful for representing =
Feynman integrals. The first, multiple polylogarithms (MPLs), constitute =
a well-understood class of functions which describe most of the Feynman =
integrals computed to date. Next I discuss a generalisation of MPLs to =
the elliptic curve suited for describing several integrals known not to =
be expressible in terms of MPLs. These functions generalise many of the =
interesting properties of MPLs, including the notion of uniform weight.

All are welcome.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

title:: TCD Theoretical Physics Seminar
content::Brenda Penante (CERN)
::Elliptic polylogarithms and Feynman integrals::
date-time:: 28 March 2019 at 2:00 pm
location::Seminar Room House 20, TCD
endevent::=

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    TCD THEORETICAL PHYSICS SEMINAR
    Thursday, 28 March 2019, 2:00 pm

    Seminar Room, House 20
    School of =
Mathematics 
    Trinity College Dublin

    Speaker: Brenda Penante (CERN)
    Title: Elliptic =
polylogarithms and Feynman integrals

    Abstract: 
    In this =
talk I discuss classes of function useful for representing Feynman =
integrals. The first, multiple polylogarithms (MPLs), constitute a =
well-understood class of functions which describe most of the Feynman =
integrals computed to date. Next I discuss a generalisation of MPLs to =
the elliptic curve suited for describing several integrals known not to =
be expressible in terms of MPLs. These functions generalise many of the =
interesting properties of MPLs, including the notion of uniform =
weight.

    All are welcome.

    =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=


    title:: TCD Theoretical Physics Seminar
    content::Brenda Penante (CERN)
    ::Elliptic =
polylogarithms and Feynman integrals::
    date-time:: =
28 March 2019 at 2:00 pm
    location::Seminar Room House 20, =
TCD
    endevent::
    =

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Date:         Fri, 22 Mar 2019 14:17:54 +0000
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From:         Sergey Mozgovoy 
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TCD Geometry Seminar
Friday, March 22 at 4:00pm
New Seminar Room, Hamilton Building, TCD

Speaker: Marton Hablicsek (University of Copenhagen)

Title: Extra structures on deformation quantizations of shifted symplectic
derived stacks in positive characteristics

Abstract:
Bezrukavnikov and Kaledin showed that convergent deformation quantizations
of symplectic varieties over a perfect field of positive characteristic
give rise to sheaves of Azumaya algebras. We investigate the structure of
the convergent quantization of shifted symplectic derived stacks,
especially the 1-shifted cotangent bundle S of a smooth scheme X over a
perfect field of positive characteristic. We show that the quantization is
an E2-algebra over the Frobenius twist S=E2=80=B2 of the 1-shifted cotangen=
t bundle
which restricted to the zero section X'-->S' is weakly E2-Morita equivalent
to the structure sheaf of the Frobenius twist X' of X.

--000000000000056c480584af85f8
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    TCD Geometry S=
eminar
    Friday, March 22 at 4:00pm
    New Seminar =
Room, Hamilton Building, TCD

    Speaker: Marton Hablicsek (University o=
f Copenhagen)

    Title: Extra structures on deformation quantizations o=
f shifted symplectic derived stacks in positive characteristics

    Abst=
ract:
    Bezrukavnikov and Kaledin showed that convergent deformation quant=
izations of symplectic varieties over a perfect field of positive character=
istic give rise to sheaves of Azumaya algebras. We investigate the structur=
e of the convergent quantization of shifted symplectic derived stacks, espe=
cially the 1-shifted cotangent bundle S of a smooth scheme X over a perfect=
 field of positive characteristic. We show that the quantization is an E2-a=
lgebra over the Frobenius twist S=E2=80=B2 of the 1-shifted cotangent bundl=
e which restricted to the zero section X'-->S' is weakly E2-Mori=
ta equivalent to the structure sheaf of the Frobenius twist X' of X.
    

    

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Reply-To:     Rafael De Andrade Moral 
Sender:       UCD Maths Department Distribution List 
From:         Rafael De Andrade Moral 
Subject: Maths: Maynooth Colloquium in Mathematics and Statistics
Comments: To: MathsStatsStaff
          ,
          MathsStatsTutors
          ,
          mathsstatspgresearch
          ,
          MathsSupportCentreTutors
          
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Dear colleagues,

Next week's Mathematics and Statistics Colloquium takes place as usual on W=
ednesday (27th Mar) at 4pm in MS2, Logic House, Maynooth. See below for det=
ails. All are welcome.

Best wishes,
Rafael

Speaker: Prof Simon Kristensen (Aarhus University)
Title: Arithmetic properties of series of reciprocals of algebraic integers
Abstract: Questions of irrationality of convergent series of reciprocals of=
 integers is a fascinating one. Among other problems, the topic includes th=
e question of irrationality of odd zeta-values. Of course, lower bounding t=
he degree of such a number is a stronger and potentially harder problem. I =
will introduce the problems studied within this field before proceeding wit=
h some recent research. In joint work with Simon Bruno Andersen, we provide=
 a general growth criterion on a sequence of algebraic integers, which ensu=
res that the degree of the series of reciprocals is transcendental or of de=
gree at least D. Our result does not shed new light on the odd zeta-values,=
 but it does extend results of Erd=F6s as well as Hancl and Nair.


---------------------------------------------------------------------------=
------

Dr Rafael de Andrade Moral

Lecturer in Statistics

Department of Mathematics and Statistics

Maynooth University


T: +353 1 708 6645

E: rafael.deandrademoral mu.ie

W: www.maynoothuniversity.ie/people/rafael-de-andrade-moral

---------------------------------------------------------------------------=
------


--_000_DB7PR02MB4395B5566288D2295EE49150F6430DB7PR02MB4395eurp_
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Dear colleagues,
    


    

    

    Next week's Mathematics and Statistics Colloquium takes place as usual=
 on Wednesday (27th Mar) at 4pm in MS2, Logic House, Maynooth. See below fo=
r details. All are welcome.
    

    


    

    

    Best wishes,
    

    
Rafael
    

    

    

    

    
Speaker: Prof Simon Kristensen (Aarhus University)
    
    

    Title: Arithmetic properties of series of reciprocals of algebr=
aic integers
    

    
Abstract: Questions of irrationality of convergent series of r=
eciprocals of integers is a fascinating one. Among other problems, the topi=
c includes the question of irrationality of odd zeta-values. Of course, low=
er bounding the degree of such a
 number is a stronger and potentially harder problem. I will introduce the =
problems studied within this field before proceeding with some recent resea=
rch. In joint work with Simon Bruno Andersen, we provide a general growth c=
riterion on a sequence of algebraic
 integers, which ensures that the degree of the series of reciprocals is tr=
anscendental or of degree at least D. Our result does not shed new light on=
 the odd zeta-values, but it does extend results of Erd=F6s as well as Hanc=
l and Nair.
    

    

    

    

    

    

    


    


    ----------------------------------------=
-----------------------------------------
    

    


    Dr Rafael de Andrade Moral
    


    Lecturer in Statistics
    


    Department of Mathematics and Statistics=

    

    Maynooth University
    



    

    


    T: +353 1 708 6645
    

    E: rafael.deandrademoral mu.ie


    W:
www.maynoothun=
iversity.ie/people/rafael-de-andrade-moral
    


    ----------------------------------------=
-----------------------------------------
    

    

    

    

    



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Subject: UCD Applied & Computational Mathematics Seminar, March 26th at 1pm
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Dear Colleagues,

The next two seminars in the UCD Applied and Computational Maths Seminar Se=
ries
 will take place next Monday, 25th March
at 1pm and Tuesday, 26th March at 2pm.

Coffee, tea & biscuits will be available in the School of Mathematics &
Statistics common room, ground floor, UCD O'Brien Centre for Science
(North) shortly before the start of both seminars.

All are welcome. Details of the seminars follow.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
UCD Applied & Computational Mathematics Seminar
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D


*Speaker:* Hannah Bloomfield and Daniel Drew (University of Reading)
*Time:* Monday, 25th March 2019 at 1pm
*Location: *1.25 SCN, UCD O'Brien Centre for Science (North)
*Title:* Characterisation and predictability of weather-dependent power
system variables

*Abstract:*
We investigate the implications of increasing weather sensitivity on
European power systems, in particular the UK. Multi-decadal hourly time
series of meteorological re-analysis are used to construct synthetic
demand, wind power and solar power data for 28 European countries. Multiple
power system scenarios are analysed, informed by National Grid=E2=80=99s Fu=
ture
Energy Scenarios. These models are used to explore a range of events which
may cause stress to the power system and the associated meteorological
conditions. For example: annual peak demand, wind power ramps, periods of
high renewables low demand (i.e., low inertia), and inter-annual
variability of demand. Furthermore, the predictability of the
meteorological events which are of most concern has been investigated for a
range of lead times using various Numerical Weather Prediction (NWP) models=
.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

*Speaker:* Jim Thomas (Woods Hole Oceanographic Institute)
*Time:* Tuesday, 26th March 2019 at 2pm
*Location: *1.25 SCN, UCD O'Brien Centre for Science (North)
*Title:* Wave-Vortex interactions in the ocean

*Abstract:*
Fluid flow in the ocean is strongly influenced by rotation of the planet
and density stratification. Consequently, the flow consists of an
intertwined mixture of fast propagating waves and slow evolving vortices or
eddies. State-of-the-art numerical models are still far from resolving the
wide range of spatio-temporal scales that constitute the flow. This calls
for the derivation and implementation of simple, reduced mathematical
models that can capture important dynamic features of the flow at various
scales, while being numerically inexpensive and efficient. In this talk I
will present a set of reduced models that capture important features of
oceanic waves, vortices, and the nonlinear dynamics resulting from their
interactions.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Best wishes,
Barry Wardell

title:: UCD ACM Seminar
date-time:: Monday, 25th March 2019 at 1pm
location:: 1.25 SCN, UCD O'Brien Centre for Science (North)
content:: Hannah Bloomfield and Daniel Drew (University of Reading) will
speak on
:: Characterisation and predictability of weather-dependent power system
variables
endevent::

title:: UCD ACM Seminar
date-time:: Tuesday, 26th March 2019 at 2pm
location:: 1.25 SCN, UCD O'Brien Centre for Science (North)
content:: Jim Thomas (Woods Hole Oceanographic Institute) will speak on
:: Wave-Vortex interactions in the ocean
endevent::

--000000000000edd5920584b4c77e
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


    Dear Colleagues,
    <=
div dir=3D"ltr">

    The next two=C2=A0seminars=C2=A0in the=C2=A0UCD=C2=A0Applied=C2=A0and Computational Maths=C2=A0Seminar=C2=A0Series <http://maths.ucd.ie/ACMSeminars=
/> will take place next Monday, 25th March at 1pm and Tuesday, 26th =
March at 2pm.

    Coffee, tea & biscuits will be a=
vailable in the School of Mathematics & Statistics common room, ground =
floor,=C2=A0UCD=C2=A0O'Brien Centre for=
 Science (North) shortly before the start of both seminars.

    <=
/div>
    All are welcome. Details of the=C2=A0seminars=C2=A0follow.

    =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
    UCD=C2=
=A0Applied<=
/span>=C2=A0&=C2=A0Computational=
=C2=A0Mathematics=C2=A0Sem=
inar
    =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D


    Speaker:=C2=A0Hannah B=
loomfield and Daniel Drew=C2=A0=
(University of Reading)
    Time:=C2=A0Monday, 25th March 2019 at 1pm
    Location:=C2=A01.25 SCN,=C2=A0UCD=C2=A0O'Brien C=
entre for Science (North)
    Title=
:=C2=A0Charact=
erisation and predictability of weather-dependent power system variables

    Abstract:
    We investigate=
 the implications of increasing weather sensitivity on European power syste=
ms, in particular the UK. Multi-decadal hourly time series of meteorologica=
l re-analysis are used to construct synthetic demand, wind power and solar =
power data for 28 European countries. Multiple power system scenarios are a=
nalysed, informed by National Grid=E2=80=99s Future Energy Scenarios. These=
 models are used to explore a range of events which may cause stress to the=
 power system and the associated meteorological conditions. For example: an=
nual peak demand, wind power ramps, periods of high renewables low demand (=
i.e., low inertia), and inter-annual variability of demand. Furthermore, th=
e predictability of the meteorological events which are of most concern has=
 been investigated for a range of lead times using various Numerical Weathe=
r Prediction (NWP) models.

    =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D

    Speaker:=C2=A0<=
/font>Jim Thomas=C2=A0(Woods Hole Oceanographic Institute)
    =
Time:=C2=A0Tuesda=
y, 26th March 2019 at 2pm
    Locat=
ion:=C2=A01.25 SCN,=C2=A0UCD=C2=A0O'Brien Centre for Science (North)<=
br>Title:=C2=A0Wave-Vortex interactions in the ocean

    Abstract:
    Fluid flow in the oce=
an is strongly influenced by rotation of the planet and density stratificat=
ion. Consequently, the flow consists of an intertwined mixture of fast prop=
agating waves and slow evolving vortices or eddies. State-of-the-art numeri=
cal models are still far from resolving the wide range of spatio-temporal s=
cales that constitute the flow. This calls for the derivation and implement=
ation of simple, reduced mathematical models that can capture important dyn=
amic features of the flow at various scales, while being numerically inexpe=
nsive and efficient. In this talk I will present a set of reduced models th=
at capture important features of oceanic waves, vortices, and the nonlinear=
 dynamics resulting from their interactions.

    <=
font style=3D"font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;fon=
t-size:12.800000190734863px">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
    <=
div>

    =
Best wishes,
    Barry Wa=
rdell

    title::=C2=A0UCD=C2=A0ACM=
=C2=A0Seminar
    date-time::=C2=A0Monday, 25th March 2019 at 1pm
    location:: 1.25 SCN,=C2=A0UCD=C2=A0O'Brien Centre for Science (North)<=
br>content::=C2=A0Hannah Bloomfield and Daniel Drew=C2=A0(University of Reading)=C2=A0w=
ill speak on
    ::=C2=A0=
Characterisation and predictability of weather-depen=
dent power system variables
    =
endevent::

    title::=C2=A0UCD=C2=A0ACM=C2=A0Seminar
    date-time::=C2=A0Tuesday, 26th M=
arch 2019 at 2pm
    location:: =
1.25 SCN,=C2=A0UCD=C2=A0O'Brien Centre =
for Science (North)
    c=
ontent::=C2=A0    Jim Thomas (Woods Hole O=
ceanographic Institute)=
=C2=A0will speak on
    :=
:=C2=A0Wave-Vortex interactions in the ocean<=
/font>
    endevent::
    =

    =

    =

    

--000000000000edd5920584b4c77e--

From owner-mathdep LISTSERV.HEANET.IE  Sat Mar 23 13:28:39 2019
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Date:         Sat, 23 Mar 2019 13:28:18 +0000
Reply-To:     Sergey Mozgovoy 
Sender:       UCD Maths Department Distribution List 
From:         Sergey Mozgovoy 
Subject: Dublin Mathematics Colloquium
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Dublin Mathematics Colloquium
Thursday, March 28 at 4:00pm
Synge Theatre, Hamilton Building, TCD

Speaker: Alex Fink (QMU London)

Title: Some tropical geometry

Abstract:
Tropical mathematics is the study of the tropical semifield,
$R\cup\{\infty\}$ with minimum as addition and plus as multiplication.  It
congealed as a field of study in the mid-1990 as several existing lines of
research came to be recognised as related, especially in optimisation and
in algebraic geometry. There are ways to "change base" to the tropical
semifield from the real numbers or from fields with nonarchimedean
valuation; the tropical varieties that result retain a surprising amount of
the properties of the originals.  I'll give a general introduction to the
area, perhaps making it to some of my own contributions regarding tropical
linear spaces.

----------------------------------------------------
title:: Dublin Mathematics Colloquium
content:: Alex Fink (QMU London) will speak on
:: Some tropical geometry
:: https://www.maths.tcd.ie/~dmc/
date-time:: Thursday, March 28 at 4:00pm
location:: Synge Theatre, Hamilton Building, TCD

--0000000000007b45b30584c2f238
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


    Dublin Mathematics Colloquium
    Thursday, March 28 at 4:0=
0pm
    Synge Theatre, Hamilton Building, TCD

    Speaker: Alex Fink (QMU=
 London)

    Title: Some tropical geometry

    Abstract:
    Tropical =
mathematics is the study of the tropical semifield, $R\cup\{\infty\}$ with =
minimum as addition and plus as multiplication.=C2=A0 It congealed as a fie=
ld of study in the mid-1990 as several existing lines of research came to b=
e recognised as related, especially in optimisation and in algebraic geomet=
ry. There are ways to "change base" to the tropical semifield fro=
m the real numbers or from fields with nonarchimedean valuation; the tropic=
al varieties that result retain a surprising amount of the properties of th=
e originals.=C2=A0 I'll give a general introduction to the area, perhap=
s making it to some of my own contributions regarding tropical linear space=
s.

    ----------------------------------------------------
    title:: D=
ublin Mathematics Colloquium
    content:: Alex Fink (QMU London) will speak=
 on
    :: Some tropical geometry
    :: https://www.maths.tcd.ie/~dmc/
    date-time:: Thursday, March 28=
 at 4:00pm
    location:: Synge Theatre, Hamilton Building, TCD
    

--0000000000007b45b30584c2f238--

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Date:         Mon, 25 Mar 2019 17:26:55 +0000
Reply-To:     Seminars Maths NUIG 
Sender:       UCD Maths Department Distribution List 
From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway (Thursday March 28): two seminars
To:           MATHDEP LISTSERV.HEANET.IE
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--00000000000081705a0584ee83d8
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Dear All,

We will have two seminars this Thursday (March 28) at 3pm in THB-G011
(Hardiman Research Building) and at 4pm in ADB1020 respectively.


Coffee/tea/cakes/biscuits will be served in ADB-G022 from 3:30.



At 3pm in THB-G011, Michael Beverland from Microsoft Seattle will speak on



=E2=80=9CMicrosoft Quantum=E2=80=9D

Abstract. An overview of some of the most promising application areas of
quantum computing, a review of quantum fundamentals, and a look into
Microsoft=E2=80=99s quantum program.



Michael Beverland=E2=80=99s Bio: I am a researcher in quantum computing,
specializing in quantum error correction and fault tolerance. I did my
postdoctoral work with Krysta Svore at Microsoft Research, my doctoral work
with John Preskill at Caltech, and undergraduate studies in Cambridge,
England. I am particularly interested in the following topics: topological
codes, universal quantum gates, scalable fault-tolerant quantum computing,
code switching, noise models, statistical mechanical approaches to quantum
error correction.



 Contact: Mark Howard





At 4pm in ADB1020, Vincent G=C3=A9linas from TCD will speak on

=E2=80=9CAn Evens-Golod-Venkov theorem for finite-dimensional monomial alge=
bras=E2=80=9D



Abstract:  This is joint work in progress with V. Dotsenko and P. Tamaroff.
The celebrated Evens-Golod-Venkov Theorem is concerned with finite
generation statements for the group cohomology (with coefficients) of a
finite group G, and allows for the successful import of geometric ideas
into modular representation theory, letting us attach to any representation
M an affine variety called its support variety. A similar theory sometimes
exists for representations of general finite-dimensional algebras due to
Snashall-Solberg, focusing instead on the structure of Hochschild
cohomology. However, verifying the needed finite generation conditions to
construct support varieties can be difficult in practice. We solve this
problem for monomial algebras, giving necessary-and-sufficient conditions
of both homological and combinatorial nature. In deducing this, the recent
A-infinity algebra structure computation of Tamaroff proves very helpful.



Contact: Emil Skoldberg





Hoping to see you all there,



Haixuan and Michael



Future seminars are listed at
http://www.nuigalway.ie/science/school-of-maths/seminars/

--00000000000081705a0584ee83d8
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


    


    Dea=
r All,
    


    We w=
ill have two seminars this Thursday (March 28) at 3pm in THB-G011
(Hardiman Research Building) and at 4pm in ADB1020 respectively.
    =




    
Coffee/tea/cakes/biscuits will be served in ADB-G022 from 3:30.
    <=
font color=3D"#000000" face=3D"Times New Roman" size=3D"3">


    =C2=
=A0
    


    At 3=
pm in THB-G011, Michael Beverland from Microsoft Seattle
will speak on 
    


    =C2=
=A0
    


    =E2=
=80=9CMicrosoft Quantum=E2=80=9D
    


    Abst=
ract. An overview of some of the most promising application
areas of quantum computing, a review of quantum fundamentals, and a look in=
to
Microsoft=E2=80=99s quantum program. 
    


    =C2=
=A0
    


    Mich=
ael Beverland=E2=80=99s Bio: I am a researcher in quantum computing,
specializing in quantum error correction and fault tolerance. I did my post=
doctoral
work with Krysta Svore at Microsoft Research, my doctoral work with John
Preskill at Caltech, and undergraduate studies in Cambridge, England. I am
particularly interested in the following topics: topological codes, univers=
al
quantum gates, scalable fault-tolerant quantum computing, code switching, n=
oise
models, statistical mechanical approaches to quantum error correction.
    


    =C2=
=A0
    


    =C2=A0Contact: Mark Howard
    


    =C2=
=A0
    


    =C2=
=A0
    


    At 4=
pm in ADB1020, Vincent G=C3=A9linas from TCD will speak on
    


    =E2=
=80=9CAn Evens-Golod-Venkov theorem for finite-dimensional monomial
algebras=E2=80=9D
    


    =C2=
=A0
    


    Abst=
ract: =C2=A0This is joint
work in progress with V. Dotsenko and P. Tamaroff. The celebrated
Evens-Golod-Venkov Theorem is concerned with finite generation statements f=
or
the group cohomology (with coefficients) of a finite group G, and allows fo=
r
the successful import of geometric ideas into modular representation theory=
,
letting us attach to any representation M an affine variety called its supp=
ort
variety. A similar theory sometimes exists for representations of general
finite-dimensional algebras due to Snashall-Solberg, focusing instead on th=
e
structure of Hochschild cohomology. However, verifying the needed finite
generation conditions to construct support varieties can be difficult in
practice. We solve this problem for monomial algebras, giving
necessary-and-sufficient conditions of both homological and combinatorial
nature. In deducing this, the recent A-infinity algebra structure computati=
on
of Tamaroff proves very helpful.
    


    =C2=
=A0
    


    Cont=
act: Emil Skoldberg=C2=A0 
    


    =C2=
=A0
    


    =C2=
=A0
    


    Hopi=
ng to see you all there,
    


    =C2=
=A0
    


    Haix=
uan and Michael
    


    =C2=
=A0
    


    Futu=
re seminars are listed at=C2=A0http://www.nuigalway.ie/science/school-of-maths/s=
eminars/

    


    

--00000000000081705a0584ee83d8--

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--00000000000043bd120584f1413c
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title:: Simons Foundation Distinguished Lecture Series
content:: Francis Brown (HMI Simons Visiting Professor)  will speak on
:: New perspectives on periods and integration, with applications to physics
date-time:: Wednesday, March 27 at 2:00pm
location:: School of Mathematics Seminar Room, TCD
noemail::

--00000000000043bd120584f1413c
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


    title:: Simons Foundation Distinguis=
hed Lecture Series
    content:: Francis Brown (HMI Simons Visiting P=
rofessor)=C2=A0 will speak on
    :: New perspectives on periods and =
integration, with applications to physics
    date-time:: Wednesday, =
March 27 at 2:00pm
    location:: School of Mathematics Seminar Room,=
 TCD
    noemail::

    

--00000000000043bd120584f1413c--

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Date:         Tue, 26 Mar 2019 15:32:45 +0000
Reply-To:     Kirk Soodhalter 
Sender:       UCD Maths Department Distribution List 
From:         Kirk Soodhalter 
Subject: maths: Trinity College Computational Applied Mathematics Seminar seminar, tomorrow Wednesday 27. March, 1pm
Comments: To: Maria Shtilmark ,
          John Miller 
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--Apple-Mail=_A9574314-5DD2-4448-A0C5-4AA40DCE74D4
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	charset=utf-8

Dear Colleagues,

This email is to announce the next seminar of 2019 in the Trinity =
College Computational Applied Mathematics Seminar, which will take place =
this Wednesday, 27. March at 1pm in Synge Lecture Theater, Hamilton =
Building, School of Mathematics  =20

All are welcome.  Details of the seminar follow.

################################################

Speaker: Marie Kub=C3=ADnov=C3=A1 , Czech Academy of Sciences, Ostrava, =
Czech Republic
Time: Wednesday, 27. March at 1pm
Location: Synge Lecture Theater, Hamilton Building, School of =
Mathematics

Title: Is any convergence behaviour possible for block GMRES?

Abstract: Block Krylov subspace methods are iterative methods for =
solving systems of linear equations with multiple right-hand sides. At =
each step, all solutions to the system are sought in the space =
containing the contribution of each individual right-hand side, which =
significantly reduces the computational cost compared to solving the =
systems sequentially (one by one). We focus on block methods for =
non-Hermitian systems, in particular on block GMRES. While it is known =
that any non-increasing convergence curve is possible for standard GMRES =
with one right-hand side and a matrix with a given spectrum, no analogue =
of this result is currently available for block methods, when multiple =
systems are solved at once. In the talk, after summarizing classical =
results regarding standard GMRES, we show what convergence behaviour is =
admissible for block GMRES and how the matrices and right-hand sides =
producing such behaviour can be constructed.

################################################

Sincerely,

Kirk Soodhalter
################################################
Kirk M. Soodhalter
Ussher Assistant Professor in Numerical Analysis
Trinity College Dublin
The University of Dublin
School of Mathematics=20
ksoodha maths.tcd.ie 
http://math.soodhalter.com 
Phone: +353-1-896 8515
School Fax: +353-1-896 2282
Skype: ksoodha
################################################

title:: Is any convergence behaviour possible for block GMRES?
content:: Marie Kub=C3=ADnov=C3=A1 , Czech Academy of Sciences, Ostrava, =
Czech Republic
::Block Krylov subspace methods are iterative methods for solving =
systems of linear equations with multiple right-hand sides.=20
::We focus on block methods for non-Hermitian systems, in particular on =
block GMRES.=20
::In the talk, after summarizing classical results regarding standard =
GMRES,
::we show what convergence behaviour is admissible for block GMRES and =
how
::the matrices and right-hand sides producing such behaviour can be =
constructed.
date-time:: 27th March 2019 at 13:00
location:: Synge Lecture Theater, Hamilton Building, School of =
Mathematics
endevent::


--Apple-Mail=_A9574314-5DD2-4448-A0C5-4AA40DCE74D4
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html;
	charset=utf-8


    Dear =
Colleagues,

    This=
 email is to announce the next seminar of 2019 in the Trinity College =
Computational Applied Mathematics Seminar, which will take place this =
Wednesday, 27. March at 1pm in Synge Lecture Theater, Hamilton =
Building, School of Mathematics   
    All are welcome.  Details of the seminar =
follow.

    ################################################

    Speaker: Marie Kub=C3=ADnov=C3=A1 , Czech =
Academy of Sciences, Ostrava, Czech Republic
    Time: =
Wednesday, 27. March at 1pm
    Location: Synge Lecture =
Theater, Hamilton Building, School of Mathematics

    Title: Is any convergence behaviour possible for block =
GMRES?

    Abstract: Block Krylov =
subspace methods are iterative methods for solving systems of linear =
equations with multiple right-hand sides. At each step, all solutions to =
the system are sought in the space containing the contribution of each =
individual right-hand side, which significantly reduces the =
computational cost compared to solving the systems sequentially (one by =
one). We focus on block methods for non-Hermitian systems, in particular =
on block GMRES. While it is known that any non-increasing convergence =
curve is possible for standard GMRES with one right-hand side and a =
matrix with a given spectrum, no analogue of this result is currently =
available for block methods, when multiple systems are solved at once. =
In the talk, after summarizing classical results regarding standard =
GMRES, we show what convergence behaviour is admissible for block GMRES =
and how the matrices and right-hand sides producing such behaviour can =
be constructed.

    ################################################
    Sincerely,

    Kirk =
Soodhalter
    

    ################################################
    Kirk M. Soodhalter
    Ussher Assistant Professor =
in Numerical Analysis
    Trinity College Dublin
    The University of Dublin
    School of =
Mathematics 
    ksoodha maths.tcd.ie
    http://math.soodhalter.com
    Phone: =
+353-1-896 8515
    School Fax: +353-1-896 =
2282
    Skype: ksoodha
    ################################################
    


    title:: Is any convergence behaviour =
possible for block GMRES?
    content:: Marie =
Kub=C3=ADnov=C3=A1 , Czech Academy of Sciences, Ostrava, Czech =
Republic
    ::Block Krylov subspace methods are iterative =
methods for solving systems of linear equations with multiple right-hand =
sides. 
    ::We focus on block methods for =
non-Hermitian systems, in particular on block GMRES. 
    ::In the talk, after summarizing classical results regarding =
standard GMRES,
    ::we show what convergence =
behaviour is admissible for block GMRES and how
    ::the=
 matrices and right-hand sides producing such behaviour can be =
constructed.
    date-time:: 27th March 2019 at =
13:00
    location:: Synge Lecture Theater, Hamilton =
Building, School of Mathematics
    endevent::
    

    =

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Date:         Wed, 27 Mar 2019 05:19:21 +0000
Reply-To:     Ciaran Mac an Bhaird 
Sender:       UCD Maths Department Distribution List 
From:         Ciaran Mac an Bhaird 
Subject: Maths: Fourth Annual Huxley Lecture on the History of Mathematics (Final reminder)
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Dear all,

A reminder of the the fourth annual Huxley Lecture on the History of Mathem=
atics by Professor Karine Chemla from SPHERE (CNRS & Universit=E9 Paris Did=
erot), on Thursday 28th of March at 6pm (Renehan Hall) in Maynooth Universi=
ty.

Title: 'What's new in the Mathematics of Ancient China'.

Further details are available at   https://www.m=
aynoothuniversity.ie/mathematics-and-statistics/huxleylecture2019


Le meas,

Ciar=E1n



Dr. Ciar=E1n Mac an Bhaird


Lecturer and MSC Director


Department of Mathematics and Statistics


Maynooth University


https://www.maynoothuniversity.ie/people/ciar-n-mac-bhaird


http://supportcentre.maths.nuim.ie/


________________________________
From: Ciaran Mac an Bhaird
Sent: Monday 25 February 2019 10:16
To: MATHDEP LISTSERV.HEANET.IE
Subject: Maths: Fourth Annual Huxley Lecture on the History of Mathematics


Dear all,


The Department of Mathematics and Statistics have the pleasure in announcin=
g the fourth annual Huxley Lecture on the History of Mathematics by Profess=
or Karine Chemla from SPHERE (CNRS & Universit=E9 Paris Diderot), on Thursd=
ay 28th of March at 6pm (Renehan Hall).

Title: 'What's new in the Mathematics of Ancient China'.

Further details are available at   https://www.m=
aynoothuniversity.ie/mathematics-and-statistics/huxleylecture2019


Le meas,

Ciar=E1n


title:: Huxley Lecture on the History of Mathematics
content:: Professor Karine Chemla
::  Maynooth University
:: presents a talk on recent discoveries which shed light of the mathematic=
s of ancient China
date-time:: March 28 2019 at 6 p.m.
location:: Maynooth, Renehan Hall, South Campus
endevent::




Dr. Ciar=E1n Mac an Bhaird


Lecturer and MSC Director


Department of Mathematics and Statistics


Maynooth University


https://www.maynoothuniversity.ie/people/ciar-n-mac-bhaird


http://supportcentre.maths.nuim.ie/


--_000_DB7PR02MB4695E60C6CF3013551FCF8718C580DB7PR02MB4695eurp_
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Dear all,
    

    

    

    

    
A reminder of the the fourth annual Huxley
 Lecture on the History of Mathematics
 by Professor Karine Chemla from
 SPHERE (CNRS & Universit=E9 Paris Diderot), on
 Thursday 28th of March at 6pm (Renehan Hall)
 in Maynooth University. 

    


    

    

    

    Title: 'What's new in the Mathematics of Ancient Ch=
ina'.
    

    
 
    

    


    


    =
 
    

    
Le=
 meas,
    

    
Ci=
ar=E1n
    

    

    

    

    

    

    

    

    

    

    

    

    

    Dr. Ciar=E1n Mac an Bhair=
d
    


    

    

    Lecturer and MSC Director=

    


    

    

    Department of Mathematics=
 and Statistics
    


    

    

    Maynooth University
    


    

    

    https:/=
/www.maynoothuniversity.ie/people/ciar-n-mac-bhaird
    

    


    

    

    http://supportcentre.maths.nui=
m.ie/
    

    


    

    

    

    

    

    

    

    

    

    From: Ciaran Mac an Bhaird<=
br>
Sent: Monday 25 February 2019 10:16
    
To: MATHDEP LISTSERV.HEANET.IE
    
Subject: Maths: Fourth Annual Huxley Lecture on the History of Mathe=
matics    

     
    

    

    

    

    

    

    

    

    
Dear all,
    

    

    

    
The Dep=
artment of Mathematics and Statistics have the pleasure in announcing =
the fourth annual
 Huxley Lecture on the History of Mathem=
atics by Professor Karine Chemla from
 SPHERE (CNRS & Universit=E9 Paris Diderot), on Thursday 28th of March at 6pm (Renehan Hall). 
    

    

    

    

    

    Title: 'What's new in the Mathemati=
cs of Ancient China'.
    

    
 
    

    


    

    <=
span style=3D"font-size:12pt"> 
    

    
Le meas<=
font color=3D"#212121" style=3D"font-family:Calibri,Arial,Helvetica,sans-se=
rif,serif,EmojiFont">,
    

    
Ciar=E1n=

    

    

    

    

    

    

    
title:: Huxley Lecture on the Hist=
ory of Mathematics
    
content:: Professor Karine Chemla
    
::  Maynooth University =

    
:: presents a talk on recen=
t discoveries
which shed light of the mathematics of ancient China
    
date-time:: March 28 2019 at 6 p.m=
.
    
location:: Maynooth, Renehan Hall,=
 South Campus
    
endevent::
    

    

    

    

    

    

    

    

    

    

    

    

    
Dr. Ciar=E1n Mac an Bhaird
    

    

    

    

    
Lecturer and MSC Director
    

    

    

    

    
Department of Mathematics and Statistics
    

    

    

    

    
Maynooth University
    

    

    

    

    
https://www.maynoothuniversity.ie/people/=
ciar-n-mac-bhaird
    

    

    

    

    

    
http://supportcentre.maths.nuim.ie/
    

    

    

    

    

    

    

    

    

    

    



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From:         Christopher Boyd 
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Tuesday 2nd April, 2019  at 4.00pm  (place: UCD  Science North 125 )

Speaker S. Gardiner

Title:   A characterization of annular domains by quadrature identities I
Abstract: We will show that annular domains may be characterized as
quadrature domains for harmonic functions with respect to a uniformly
distributed measure on a sphere. This verifies an old conjecture of
Armitage and Goldstein. (Joint work with Tomas Sj=C3=B6din.)





title:: ANALYSIS SEMINAR
content:: S. Gardiner  will speak on
::   A characterization of annular domains by quadrature identities I
date-time:: Tuesday 2nd  April, 2019  at 4.00pm
location:: UCD  Science North 125
endevent::

--000000000000aa3bae058510c13e
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    Tuesday 2nd April, 2019=C2=A0 at 4.00pm=C2=A0 (place:=
 UCD=C2=A0 Science North 125 )

    Speaker S. Gardiner=


    

    Title:=C2=A0=C2=A0 A characterization of annular domains by quad=
rature identities I 
    Abstract: We will show that annul=
ar domains may be characterized
      as quadrature domains for harmonic functions with respect to a
      uniformly distributed measure on a sphere. This verifies an old
      conjecture of Armitage and Goldstein. (Joint work with Tomas
      Sj=C3=B6din.)
    
   =20
    

    


    =C2=A0


    title:: ANALYSIS SEMINAR
    
content:: S. Gardiner=C2=A0 will speak on
    
::=C2=A0=C2=A0 A characterization of annular domains by quadrature id=
entities I 
    
date-time::  Tuesday 2nd=C2=A0 April, 2019=C2=A0 at 4.00pm
    
location:: UCD=C2=A0 Science North 125 
    
endevent:: 
    

--000000000000aa3bae058510c13e--

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Reply-To:     "Dendrinos, Spyridon" 
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Subject: maths: UCC Mathematics Seminar
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Dear Colleagues,



You are welcome to the following seminar:



UCC Mathematics Seminar



Time and location: 4-5pm, Tuesday 2 April 2019, WGB G04



Speaker:  Vladimir Dotsenko (Trinity College Dublin)



Title: Homotopy type of the moduli space of stable rational curves



Abstract:

The moduli space of stable rational curves, also known as the Deligne-Mumfo=
rd compactification \bar{M}_{0,n} of the moduli space of rational curves wi=
th marked points, has been studied in many different areas of mathematics f=
or decades, but some questions about it have remained open until now. An in=
stance of such questions is the rational homotopy type of this space. I sha=
ll show that the rational cohomology of this space is a Koszul algebra (ans=
wering a question of Yu. I. Manin, D. Petersen and V. Reiner), and explain =
how this allows one to compute the rational homotopy invariants of this spa=
ce in a very explicit way.

Best regards,

Spyros Dendrinos


--_000_DB7PR02MB409260FBA2238EE0BB43DEC8BA580DB7PR02MB4092eurp_
Content-Type: text/html; charset="iso-8859-1"
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    Dear Coll=
eagues,
    

    

    

    

    

    

    

    
 
    

    
You are welcome to the following
seminar:
    

    
 
    

    
UCC
Mathematics Seminar
    

    
 
    

    
Time and location:
4-5pm, Tuesday 2 April 2019, WGB =
G04
    

    
 
    

    
Speaker:  Vladimir =
Dotsenko (Trinity College Dublin) 
    

    
 
    

    
Title:
Homo=
topy
 type of the moduli space of stable rational curves
    


    
&n=
bsp;
    

    
Abstract:

    

    <=
font face=3D"Calibri">The
 moduli space of stable rational curves, also known as the Deligne-Mumford =
compactification \bar{M}_{0,n} of the moduli space of rational curves with =
marked points, has been studied in many different areas of mathematics for =
decades, but some questions about
 it have remained open until now. An instance of such questions is the rati=
onal homotopy type of this space. I shall show that the rational cohomology=
 of this space is a Koszul algebra (answering a question of Yu. I. Manin, D=
. Petersen and V. Reiner), and explain
 how this allows one to compute the rational homotopy invariants of this sp=
ace in a very explicit way.
    

    


    Best regards,
    

    


    Spyros Dendrinos
    


    

    

    

    

    

    

    

    

    



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Date:         Wed, 27 Mar 2019 10:57:17 +0000
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>=20
> Dublin Theoretical Physics Colloquium
>=20
> Time: Wednesday, 27th of March at 16:00 pm.
>=20
> Location: Synge Theatre, House 20, Westland Row, Trinity College =
Dublin.
>=20
> Speaker: Chris Blair (Brussels)
>=20
> Title: Non-Riemannian geometry of M-theory from Exceptional Field =
Theory
>=20
> Abstract:=20
> I will discuss how the ``extended geometry'' of double field theory =
(DFT) and exceptional field theory (ExFT) provides a platform to study =
what one could generally call ``non-Riemannian geometry'' in string and =
M-theory. I will introduce DFT and ExFT as reformulations of =
supergravity that geometrise diffeomorphisms and gauge transformations =
into local O(d,d) or E_{d(d)} generalised diffeomorphisms, while =
unifying metric and form degrees of freedom into generalised tensors =
transforming under these generalised diffeomorphisms. The theory =
involves extra coordinates, however with all fields subject to a =
covariant constraint on the coordinate dependence: solutions of this =
constraint lead back to 10 or 11 dimensions, but solving it in different =
ways gives different (dual) supergravities. As well as describing =
conventional supergravity backgrounds, we can use the extended geometry =
of DFT/ExFT to describe T- and U-folds (where there is a global patching =
by a duality transformation), O-folds (where there is a global quotient =
by a duality transformation) and backgrounds where there is a degenerate =
spacetime geometry. The latter case includes non-relativistic =
geometries, as well as unusual backgrounds in which there is no =
conventional geometric structure in spacetime at all, leading to novel =
chiral or topological theories. Based on: =
https://arxiv.org/abs/1902.01867  and =
https://arxiv.org/abs/1805.04524 
>=20
>=20
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> Future speakers:  =20
> 3rd of April Debasish Banerjee
> 10th of April Francesca Day
>=20
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>=20
>=20
>=20
> title:: Dublin Theoretical Physics Colloquium
> content:: Chris Blair will speak on =20
> :: Non-Riemannian geometry of M-theory from Exceptional Field Theory
> date-time::  Wednesday the 27th of March at 16:00pm
> location:: Synge Theatre, School of Mathematics, Trinity College =
Dublin
> endevent::


--Apple-Mail=_619AD88C-4649-4DEA-9925-242E5A8F71AD
Content-Transfer-Encoding: quoted-printable
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	charset=us-ascii



    Dublin Theoretical Physics Colloquium

    Time: Wednesday, 27th =
of March at 16:00 pm.

    Location: Synge =
Theatre, House 20, Westland Row, Trinity College Dublin.

    Speaker: Chris Blair (Brussels)

    Title: Non-Riemannian geometry of M-theory from Exceptional Field =
Theory

    Abstract: 
    I will discuss how the ``extended geometry'' of =
double field theory (DFT) and exceptional field theory (ExFT) provides a =
platform to study what one could generally call ``non-Riemannian =
geometry'' in string and M-theory. I will introduce DFT and ExFT as =
reformulations of supergravity that geometrise diffeomorphisms and gauge =
transformations into local O(d,d) or E_{d(d)} generalised =
diffeomorphisms, while unifying metric and form degrees of freedom into =
generalised tensors transforming under these generalised =
diffeomorphisms. The theory involves extra coordinates, however with all =
fields subject to a covariant constraint on the coordinate dependence: =
solutions of this constraint lead back to 10 or 11 dimensions, but =
solving it in different ways gives different (dual) supergravities. As =
well as describing conventional supergravity backgrounds, we can use the =
extended geometry of DFT/ExFT to describe T- and U-folds (where there is =
a global patching by a duality transformation), O-folds (where there is =
a global quotient by a duality transformation) and backgrounds where =
there is a degenerate spacetime geometry. The latter case includes =
non-relativistic geometries, as well as unusual backgrounds in which =
there is no conventional geometric structure in spacetime at all, =
leading to novel chiral or topological theories. Based on: https://arxiv.org/abs/1902.01867 and https://arxiv.org/abs/1805.04524



    =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D
    Future =
speakers:   
    <=
/blockquote>
    3rd of April Debasish =
Banerjee
    10th =
of April Francesca Day

    =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D



    title:: Dublin =
Theoretical Physics Colloquium
    content:: Chris =
Blair will speak on =
 
    :: Non-Riemannian geometry of M-theory from =
Exceptional Field =
Theory
    <=
/div>
    date-time::  Wednesday =
the 27th of March at =
16:00pm
    =

    location:: Synge =
Theatre, School of Mathematics, Trinity College Dublin
    endevent::
    =


    =

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--0000000000005ce6760585122574
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Simons Foundation Distinguished Lecture Series
Wednesday, March 27 at 2:00pm
School of Mathematics Seminar Room, TCD

Francis Brown (HMI Simons Visiting Professor) will give his second talk of
the mini-course "New perspectives on periods and integration, with
applications to physics".

Everyone is welcome to attend.

--0000000000005ce6760585122574
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    Simons Foundation Distinguished Lecture Series
    Wednesda=
y, March 27 at 2:00pm
    School of Mathematics Seminar Room, TCD

    Fra=
ncis Brown (HMI Simons Visiting Professor) will give his second talk of the=
 mini-course "New perspectives on periods and integration, with applic=
ations to physics".

    Everyone is welcome to attend.
    

--0000000000005ce6760585122574--

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Date:         Wed, 27 Mar 2019 13:43:02 +0000
Reply-To:     Isabella Gollini 
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From:         Isabella Gollini 
Subject: R Package Development Workshop for Women - Saturday 6th April 9:30am-4pm in UCD
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*Develop Packages in R - workshop for R users who identify as female*

Date

Saturday, April 6, 2019, 9:30am-4pm

Location

UCD O'Brien Centre for Science

School of Mathematics and Statistics

Stillorgan Rd, Roebuck, Dublin 4

What is this workshop about?

R Forwards designed this workshop to foster diversity and bridge skills gap
existing within the R community .

The goal is to empower you to develop your own R packages and contribute
back to the R Community.

We will be using materials developed by Hadley Wickham, Jenny Bryan, and Di
Cook for the Forwards teaching team.

Materials for this workshop are available here:
https://github.com/forwards/workshops/tree/master/Dublin2019

By the end of this workshop, you will know how to:

Create an R package

Develop package code

Document functions and the package itself

Deal with dependency on other packages

Schedule

09:30 - 10:00 Registration

10:00 - 11:20 Session 1: Make code into R package

11:20 - 11:45 Coffee Break

11:45 - 13:00 Session 2: Document Package and Functions

13:00 - 14:00 Lunch break

14:00 - 16:00 Session 3: Include Package Dependencies + Session 4: Project
work.

Who is this workshop for?

This workshop is for you if:

   -

   you are female (or identify as female)
   -

   you are 18+ years of age
   -

   on the day you have a laptop at your disposal
   -

   you can write an R function


Applications

There are 30 places available. All are welcome to apply, but we will
prioritise applications from members of under-represented groups within the
R community.

Tickets sale is managed via Eventbrite. Buy your ticket here:
https://www.eventbrite.ie/e/develop-packages-in-r-workshop-for-r-users-who-identify-as-female-tickets-59353553075

Cost

This workshop is free for participants, however we charge a fee of 5 EUR to
cover training materials.

Tea, coffee and lunch will be provided by The UCD School of Mathematics and
Statistics.

Our team

Lead Instructor

Dr Isabella Gollini , Isabella is
Assistant Professor in Statistics at University College Dublin and teaching
leader at Forwards  the R Foundation taskforce
on women and other under-represented groups

Tutors

Bruna Wundervald , PhD Student in Bayesian Machine
Learning at Maynooth University

Chiara Cotroneo , PhD Student in
Computational Infection Biology at University College Dublin

Jo Niec , Product Analyst at Intercom,
R-Ladies Dublin organiser

Code of Conduct

Workshop instructors and participants agree to adhere to the R Consortium
and R Community Code of Conduct

.

Huge thanks to The UCD School of Mathematics and Statistics for sponsoring
this workshop and to Forwards for providing materials.

-- 
Isabella Gollini

Assistant Professor in Statistics
School of Mathematics and Statistics,
University College Dublin, Ireland
https://people.ucd.ie/isabella.gollini
 IsabellaGollini 

title:: R Package Development Workshop for Women
content:: day long workshop on
:: Developing Packages in R for R users who identify as female
date-time::  6th April 2019 at 9:30am
location:: School of Mathematics and Statistics, UCD
endevent::

--000000000000fcfde90585139c35
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


    Develop Packages in R - workshop for R users who i=
dentify as female

    Date
    <=
p dir=3D"ltr" style=3D"line-height:1.38;margin-top:0pt;margin-bottom:0pt"><=
span style=3D"background-color:transparent;font-variant-numeric:normal;font=
-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Saturday, April=
 6, 2019, 9:30am-4pm

    Location
    UCD O'Brien Centre =
for Science
    School of Mathematics and Statistics
    Stillorgan Rd, Roebu=
ck, Dublin 4

    What is this workshop about?
    R Forwards d=
esigned this workshop to foster diversity and bridge skills gap existing within the R com=
munity.
    The goal is to empower you to develop your own R packa=
ges and contribute back to the R Community.

    We will be using materials dev=
eloped by Hadley Wickham, Jenny Bryan, and Di Cook for the Forwards teachin=
g team.
    Materials for this workshop are available here:=C2=A0https://github.com/forwards/workshops=
/tree/master/Dublin2019

    By the end of this workshop, you will know how to:
    Create an R package
    Develop package c=
ode
    Document functions and the package itself
    Deal with dependency on other packages

    Schedule
    09:30 - =
10:00 Registration 
    10:00 - 11:20 Session 1: Make code into R package
    11:20 - 11:45 Coffee Break
    11:45 - 13:00 Session 2: Document Package an=
d Functions
    13:00 - 14:00 Lunch break
    14:00 - 16:00 Session 3: Includ=
e Package Dependencies + Session 4: Project work.

    Who is t=
his workshop for?
    This workshop is for you if:
    • you are female (or iden=
tify as female)
    • you are 18+ years of ag=
e
    • on the day you have a laptop at your di=
sposal
    • you can write an R function=


    Applications
    There are 30 places available. All ar=
e welcome to apply, but we will prioritise applications from members of und=
er-represented groups within the R community.

    Tickets sale is manage=
d via Eventbrite. Buy your ticket here:=C2=A0https://www.eventbrite.ie/e/develop-packages-in-r-work=
shop-for-r-users-who-identify-as-female-tickets-59353553075
    <=
/p>
    Cost
    This workshop is free for participants, however we charge a fe=
e of 5 EUR to cover training materials.
    Tea, coffee and lunch will be pr=
ovided by The UCD School of Mathematics and Statistics.<=
/font>
    Our team
    Lead Instructor
    Dr Isabella Gollini, Isabella is Assis=
tant Professor in Statistics at University College Dublin and teaching lead=
er at Forwards the R Foundation taskforce on women and other under-represented group=
s

    Tutors
    Bruna Wundervald, PhD Student in Bayesian Machine Learning at Maynooth University
    =
Chiara Cotroneo, PhD Student in Computational Infection Biology at University College=
 Dublin
    Jo Niec=
, Product Analyst at Intercom, R-Ladies Dublin organiser

    =

    Code of Conduct
    Workshop instructors and participants agree to =
adhere to the R Consortium and R Commu=
nity Code of Conduct.

    Huge thanks to The UCD School of Mathemati=
cs and Statistics for sponsoring this workshop and to Forwards for providin=
g materials.

    -- 
    Isabella Gollini

    Assistant Professor in Statistics
    <=
div>
    School of Mathematics and Statistics,
    University Coll=
ege Dublin, Ireland

    title:: R Package Devel=
opment Workshop for Women=C2=A0
    content:: day long workshop on
    :: D=
eveloping Packages in R for R users who identify as female
    date-time::=
=C2=A0 6th April 2019 at 9:30am
    location:: School of Mathematics and St=
atistics, UCD
    endevent::
    

--000000000000fcfde90585139c35--

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Dear all,

This is the second announcement of the conference Groups in Galway 2019 which will take place at the National University of Ireland, Galway from 10-11 May 2019. 

Groups in Galway has been running on an annual basis since 1978 (see http://www-history.mcs.st-and.ac.uk/Honours/Galway_Group_Theory.html ). The scope of the conference covers all aspects of group theory, including applications, as well as related fields. All who are interested are invited to attend.

Confirmed speakers this year are:

    *   Yiftach Barnea (Royal Holloway, University of London)
    *   Angela Carnevale (National University of Ireland, Galway)
    *   Oihana Garaialde Ocaa (University of the Basque Country)
    *   Scott Harper (University of Bristol)
    *   Kevin Hutchinson (University College Dublin)
    *   H. Dugald Macpherson (University of Leeds)
    *   James D. Mitchell (University of St Andrews)
    *   Marta Morigi (University of Bologna)
    *   Christopher Voll (Bielefeld University)

A poster session will take place on Friday afternoon. All participants of the conference are invited to present posters.

We have limited funding for postgraduate students and early career researchers. If you want to be considered for support, please send us your CV by 12 April 2019.

For further information, please keep an eye on the conference web page: http://www.maths.nuigalway.ie/conferences/gig19/

Hoping to see you at NUI Galway in May,

Graham Ellis and Tobias Rossmann

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Reply-To:     Seminars Maths NUIG 
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From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway: two seminars today
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Dear All,

We will have two seminars today at 3pm in THB-G011 (Hardiman Research
Building) and at 4pm in ADB1020 respectively.


Note that it is extremely rare that there are two seminars in one day in
our school. Hope you can witness this rare event by attending both.


Coffee/tea/cakes/biscuits will be served in ADB-G022 from 3:30.



At 3pm in THB-G011, Michael Beverland from Microsoft Seattle will speak on



=E2=80=9CMicrosoft Quantum=E2=80=9D

Abstract. An overview of some of the most promising application areas of
quantum computing, a review of quantum fundamentals, and a look into
Microsoft=E2=80=99s quantum program.



Michael Beverland=E2=80=99s Bio: I am a researcher in quantum computing,
specializing in quantum error correction and fault tolerance. I did my
postdoctoral work with Krysta Svore at Microsoft Research, my doctoral work
with John Preskill at Caltech, and undergraduate studies in Cambridge,
England. I am particularly interested in the following topics: topological
codes, universal quantum gates, scalable fault-tolerant quantum computing,
code switching, noise models, statistical mechanical approaches to quantum
error correction.



 Contact: Mark Howard





At 4pm in ADB1020, Vincent G=C3=A9linas from TCD will speak on

=E2=80=9CAn Evens-Golod-Venkov theorem for finite-dimensional monomial alge=
bras=E2=80=9D



Abstract:  This is joint work in progress with V. Dotsenko and P. Tamaroff.
The celebrated Evens-Golod-Venkov Theorem is concerned with finite
generation statements for the group cohomology (with coefficients) of a
finite group G, and allows for the successful import of geometric ideas
into modular representation theory, letting us attach to any representation
M an affine variety called its support variety. A similar theory sometimes
exists for representations of general finite-dimensional algebras due to
Snashall-Solberg, focusing instead on the structure of Hochschild
cohomology. However, verifying the needed finite generation conditions to
construct support varieties can be difficult in practice. We solve this
problem for monomial algebras, giving necessary-and-sufficient conditions
of both homological and combinatorial nature. In deducing this, the recent
A-infinity algebra structure computation of Tamaroff proves very helpful.



Contact: Emil Skoldberg





Hoping to see you all there,



Haixuan

Future seminars are listed at
http://www.nuigalway.ie/science/school-of-maths/seminars/

--000000000000707151058524de3a
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


    Dear All,
    We will have two seminars today at 3pm in=
 THB-G011 (Hardiman Research Building) and at 4pm in ADB1020 respectively.<=
/span>
    <=
br>
    Note that it is=C2=A0extremely=C2=A0rare that there are two seminars in =
one day in our school. Hope you can witness this rare event by attending bo=
th.
    <=
/font>

     =
Coffee/tea/cakes/biscuits will be served in ADB-G022 from 3:30.
    <=
font color=3D"#000000" face=3D"Times New Roman" size=3D"3">
    =C2=A0
    At 3pm in THB-G011,=
 Michael Beverland from Microsoft Seattle will speak on 
    =C2=A0
    =E2=80=9CMicrosoft Quantum=
=E2=80=9D
    Abstract. An overview of some of the most promising application areas of=
 quantum computing, a review of quantum fundamentals, and a look into Micro=
soft=E2=80=99s quantum program. 
    =C2=A0
    Michael Beverland=E2=80=99s Bio: I am a researcher in=
 quantum computing, specializing in quantum error correction and fault tole=
rance. I did my postdoctoral work with Krysta Svore at Microsoft Research, =
my doctoral work with John Preskill at Caltech, and undergraduate studies i=
n Cambridge, England. I am particularly interested in the following topics:=
 topological codes, universal quantum gates, scalable fault-tolerant quantu=
m computing, code switching, noise models, statistical mechanical approache=
s to quantum error correction.
    =C2=A0
    =C2=A0Contact: Mark Howard
    =C2=A0
    =C2=A0
    At 4pm in ADB1020, Vincent =
G=C3=A9linas from TCD will speak on
    =E2=80=9CAn Evens-Golod-Venkov theorem for fini=
te-dimensional monomial algebras=E2=80=9D
    =C2=A0
    <=
span style=3D"color:rgb(31,73,125);font-family:"Calibri","sa=
ns-serif";font-size:11pt">Abstract: =C2=A0This is joint w=
ork in progress with V. Dotsenko and P. Tamaroff. The celebrated Evens-Golo=
d-Venkov Theorem is concerned with finite generation statements for the gro=
up cohomology (with coefficients) of a finite group G, and allows for the s=
uccessful import of geometric ideas into modular representation theory, let=
ting us attach to any representation M an affine variety called its support=
 variety. A similar theory sometimes exists for representations of general =
finite-dimensional algebras due to Snashall-Solberg, focusing instead on th=
e structure of Hochschild cohomology. However, verifying the needed finite =
generation conditions to construct support varieties can be difficult in pr=
actice. We solve this problem for monomial algebras, giving necessary-and-s=
ufficient conditions of both homological and combinatorial nature. In deduc=
ing this, the recent A-infinity algebra structure computation of Tamaroff p=
roves very helpful.
    =C2=A0
    Contact: Emil Skoldberg=C2=A0 
    =C2=A0
    =C2=A0
    Hoping to see you all there,
    =C2=A0
    <=
p style=3D"margin:0cm 0cm 0pt">Haixuan     =C2=A0
    Future seminars are listed at=C2=A0http://www.nuigal=
way.ie/science/school-of-maths/seminars/ 
    

--000000000000707151058524de3a--

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Subject: maths: Dublin Mathematics Colloquium TODAY
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Dublin Mathematics Colloquium
Thursday, March 28 at 4:00pm
Synge Theatre, Hamilton Building, TCD

Speaker: Alex Fink (QMU London)

Title: Some tropical geometry

Abstract:
Tropical mathematics is the study of the tropical semifield, $R\cup\{\infty\}$ with minimum as addition and plus as multiplication.  It congealed as a field of study in the mid-1990 as several existing lines of research came to be recognised as related, especially in optimisation and in algebraic geometry. There are ways to "change base" to the tropical semifield from the real numbers or from fields with nonarchimedean valuation; the tropical varieties that result retain a surprising amount of the properties of the originals.  I'll give a general introduction to the area, perhaps making it to some of my own contributions regarding tropical linear spaces.




--B_3636626316_2251577961
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	charset="UTF-8"
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    =

     
    Dublin=
 Mathematics Colloquium
    Thursday, March 28 at 4:00pm
    Synge Theatre, Ha=
milton Building, TCD

    Speaker: Alex Fink (QMU London)

    Title: So=
me tropical geometry

    Abstract:
    Tropical mathematics is the study o=
f the tropical semifield, $R\cup\{\infty\}$ with minimum as addition and plu=
s as multiplication.  It congealed as a field of study in the mid-1990 =
as several existing lines of research came to be recognised as related, espe=
cially in optimisation and in algebraic geometry. There are ways to "ch=
ange base" to the tropical semifield from the real numbers or from fiel=
ds with nonarchimedean valuation; the tropical varieties that result retain =
a surprising amount of the properties of the originals.  I'll give a ge=
neral introduction to the area, perhaps making it to some of my own contribu=
tions regarding tropical linear spaces.


    

--B_3636626316_2251577961--

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Reply-To:     Tristan McLoughlin 
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From:         Tristan McLoughlin 
Subject: Maths: Irish Quantum Foundations Meeting 2019 - May 23rd-24th
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Dear colleagues,

We would like to announce that the *Irish Quantum Foundations 2019 
*meeting will take place *May 23rd-24th in Trinity College Dublin.*

As in past years the event will cover areas broadly related to 
fundamental theory and quantum foundations.The following speakers are 
already confirmed for this year's meeting:

  * Nima Arkani-Hamed, IAS
  * Fabio Deelan Cunden, UCD
  * Amihay Hanany, Imperial College London
  * Jorma Louko, Univ. of Nottingham
  * Andy O'Bannon, Univ. of Southampton
  * Marika Taylor, Univ. Southampton
  * Bernd Schroers, Heriot-Watt University
  * Helvi Witek, King's College London

There is no registration fee and the event is open to all but to aid in 
organization we ask that participants register via the conference website

https://www.maths.tcd.ie/IQF2019

where more information about the event can also be found. In particular 
if you are interested in giving a talk please register as soon as 
possible to be considered.

This year IQF is preceded by a school on mathematical physics 
information for which can be found here:

https://www.maths.tcd.ie/hmischool

The conference is organized jointly by

  *      The School of Mathematical Sciences and CfAR at Dublin City
    University
  *      The School of Mathematical Sciences at the Dublin Institute of
    Technology.
  *      The School of Mathematics and Statistics at University College
    Dublin
  *      The Department of Mathematical Physics at Maynooth University
  *      The Hamilton Mathematics Institute at Trinity College Dublin
  *      The School of Theoretical Physics at the Dublin Institute for
    Advanced Studies

Sincerely,

The organizers

Leron Borsten (DIAS)
Cormac Breen (DIT)
Marius de Leeuw (TCD)
Manuela Kulaxizi (TCD)
Marianne Leitner (DIAS, TCD)
Tristan McLoughlin (TCD)
Joost Slingerland (Maynooth)
Peter Taylor (DCU)
Barry Wardell (UCD)

title:: Irish Quantum Foundations 2019
date-time:: 23rd-24th May 2019
location:: Hamilton Building, Trinity College Dublin
endevent::

--------------FC8E01E8999B1221B52A4495
Content-Type: text/html; charset=utf-8
Content-Transfer-Encoding: 8bit


  

    
  
  
    
    Dear colleagues,
    
    
    
    
    We would like to announce that the Irish Quantum Foundations
        2019 meeting will take place May 23rd-24th in Trinity
        College Dublin.
    
    
    As in past years the event will cover areas broadly related to
      fundamental theory and quantum foundations.The following speakers
      are already confirmed for this year's meeting:
    
      
      
        
    •  Nima Arkani-Hamed, IAS 
      • 
        
    •  Fabio Deelan Cunden, UCD 
      • 
        
    •  Amihay Hanany, Imperial College London 
      • 
        
    •  Jorma Louko, Univ. of Nottingham 
      • 
        
    •  Andy O'Bannon, Univ. of Southampton 
      • 
        
    •  Marika Taylor, Univ. Southampton 
      • 
        
    •  Bernd Schroers, Heriot-Watt University
      
        
      • 
        
    •  Helvi Witek, King's College London 
      • 
      
    
    
    
    
    
      There is no registration fee and the event is open to all but to
      aid in organization we ask that participants register via the
      conference website
    
    
    
    
    
    where more information about the event can also be found. In
      particular if you are interested in giving a talk please register
      as soon as possible to be considered. 
    
    
    
    
    This year IQF is preceded by a school on mathematical physics
      information for which can be found here:
    
    
    

    
    
    
    
    The conference is organized jointly by
    
      
      
        
    •     The School of Mathematical Sciences and CfAR at Dublin
          City University
      • 
        
    •     The School of Mathematical Sciences at the Dublin
          Institute of Technology.
      • 
        
    •     The School of Mathematics and Statistics at University
          College Dublin
      • 
        
    •     The Department of Mathematical Physics at Maynooth
          University
      • 
        
    •     The Hamilton Mathematics Institute at Trinity College
          Dublin
      • 
        
    •     The School of Theoretical Physics at the Dublin
          Institute for Advanced Studies
      • 
      
    
    
    
    
    Sincerely, 
    
    
    
    

    
    
    
    
    The organizers
    
    

    
    
    
    
    Leron Borsten (DIAS)
    
    
    
    
    Cormac Breen (DIT)
    
    
    Marius de Leeuw (TCD)
    
    
    Manuela Kulaxizi (TCD)
    
    
    
    
    Marianne Leitner (DIAS, TCD)
    
    
    Tristan McLoughlin (TCD)
    
    
    
    
    Joost Slingerland (Maynooth)
    
    
    
    
    Peter Taylor (DCU)
    
    
    
    
    Barry Wardell (UCD)
    
    

    
    
    
    
    
      
    
          
    title:: Irish Quantum Foundations 2019
    
          
    date-time:: 23rd-24th May 2019
    
          
    location:: Hamilton Building, Trinity College Dublin
    
          
    
          
    endevent::
    
        
    
    
    
  


--------------FC8E01E8999B1221B52A4495--

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Date:         Fri, 29 Mar 2019 09:56:22 +0000
Reply-To:     Jan Manschot 
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From:         Jan Manschot 
Subject: maths: Theoretical Physics Seminar - TCD - 4 April
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	charset=utf-8

TCD THEORETICAL PHYSICS SEMINAR
Thursday, 4 April 2019, 2:00 pm

Seminar Room, House 20
School of Mathematics=20
Trinity College Dublin

Speaker: Rajesh Gupta (King=E2=80=99s College)
Title:  Exact computations in supersymmetric quantum field theory on AdS

Abstract:=20
Supersymmetric localization has provided us a powerful tool to look into =
strongly coupled dynamics of a supersymmetric quantum field theory on a =
compact manifold. Supersymmetric quantum field theory can also be =
defined on a curved but non-compact space such as AdS space. Other than =
AdS/CFT, these spaces appear in a various physical context such as =
computation of entropy of extremal black holes, entanglement entropy, =
holographic description of Wilson loop etc. In this talk, I will discuss =
the localization computation in supersymmetric field theory on AdS =
space. The partition function computation on AdS requires imposing =
boundary conditions on all the fields while performing the path =
integral. This gives subtleties when we use localization technique in =
the path integral. I will focus myself to the example of supersymmetric =
Chern Simons matter theory on AdS_2xS^1 and discuss some of these =
subtleties in these computations.



All are welcome.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

title:: TCD Theoretical Physics Seminar
content:: Rajesh Gupta (King=E2=80=99s College)
::Exact computations in supersymmetric quantum field theory on AdS::
date-time:: 4 April 2019 at 2:00 pm
location::Seminar Room House 20, TCD
endevent::=

--Apple-Mail=_0BDF6E06-3030-49E2-A1E3-A06FEE986553
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html;
	charset=utf-8


    TCD =
THEORETICAL PHYSICS SEMINAR
    Thursday, 4 April 2019, 2:00 =
pm

    Seminar Room, House 20
    School of Mathematics 
    Trinity College =
Dublin

    Speaker: Rajesh Gupta (King=E2=80=99s =
College)
    Title:  Exact computations in supersymmetric =
quantum field theory on AdS

    Abstract: 
    Supersymmetric localization has provided us a powerful tool =
to look into strongly coupled dynamics of a supersymmetric quantum field =
theory on a compact manifold. Supersymmetric quantum field theory =
can also be defined on a curved but non-compact space such as AdS =
space. Other than AdS/CFT, these spaces appear in a various physical =
context such as computation of entropy of extremal black holes, =
entanglement entropy, holographic description of Wilson loop etc. In =
this talk, I will discuss the localization computation in supersymmetric =
field theory on AdS space. The partition function computation on AdS =
requires imposing boundary conditions on all the fields while performing =
the path integral. This gives subtleties when we use localization =
technique in the path integral. I will focus myself to the example of =
supersymmetric Chern Simons matter theory on AdS_2xS^1 and discuss some =
of these subtleties in these computations.



    All =
are welcome.

    =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D

    title:: TCD =
Theoretical Physics Seminar
    content:: Rajesh Gupta =
(King=E2=80=99s College)
    ::Exact computations in =
supersymmetric quantum field theory on AdS::
    date-time:: 4 April 2019 at 2:00 pm
    location::Seminar Room House 20, TCD
    endevent::
    =

--Apple-Mail=_0BDF6E06-3030-49E2-A1E3-A06FEE986553--

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Date:         Fri, 29 Mar 2019 10:08:13 +0000
Reply-To:     Barry Wardell 
Sender:       UCD Maths Department Distribution List 
From:         Barry Wardell 
Subject: UCD Applied & Computational Mathematics Seminar, April 1st at 1pm
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--000000000000f4780c058538d9e6
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Dear Colleagues,

The next seminar in the UCD Applied and Computational Maths Seminar Series <
http://maths.ucd.ie/ACMSeminars/> will take place next Monday, 1st April at
1pm.

Coffee, tea & biscuits will be available in the School of Mathematics &
Statistics common room, ground floor, UCD O'Brien Centre for Science
(North) from 12.40pm.

All are welcome. Details of the seminar follows.

========================================
UCD Applied & Computational Mathematics Seminar
========================================

*Speaker:* Biswajit Basu (Trinity College Dublin)
*Time:* Monday, 1st April 2019 at 1pm
*Location: *1.25 SCN, UCD O'Brien Centre for Science (North)
*Title:* Some investigations on equatorial ocean dynamics

*Abstract:*
This talk focusses on some investigations into a recently developed
non-linear, three dimensional equatorial model for ocean dynamics. The
development of the model had been motivated by observations and the model
is able to capture some essential properties of the flow in the equatorial
region, specifically in the Pacific. Analysis of velocity field and flow
paths indicate that several known and unknown features (which are
essentially non-linear and three dimensional such as upwelling/downwelling,
cellular flow structures, divergence of flow from the equator and
extra-equatorial flows, subsurface ocean 'bridge' in the equatorial
direction and sharp change in gradient of the flow path) exist and can be
simulated by the model.

========================================

Best wishes,
Barry Wardell

title:: UCD ACM Seminar
date-time:: Monday, 1st April 2019 at 1pm
location:: 1.25 SCN, UCD O'Brien Centre for Science (North)
content:: Biswajit Basu (Trinity College Dublin) will speak on
:: Some investigations on equatorial ocean dynamics
endevent::

--000000000000f4780c058538d9e6
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


    Dear Colleagues,
    <=
div dir=3D"ltr">

    The next=C2=
=A0seminar=C2=A0in the UCD=C2=A0Appl=
ied=C2=A0and Computational Maths=C2=A0Seminar=
=C2=A0Series <http://maths.ucd.ie/ACMSeminars/> will take place next Monday, =
1st April at 1pm.

    Coffee, tea & biscuits will =
be available in the School of Mathematics & Statistics common room, gro=
und floor, UCD O'Brien Centre for Science (North) from 12.40pm.

    All are welcome. Details of the=C2=A0seminar=C2=A0follows.

    =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
    UCD=C2=A0Applied=C2=A0&=
=C2=A0Comp=
utational=C2=A0Mathematics=C2=A0Seminar
    =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

    Speaker:=C2=A0Biswajit Basu=C2=A0(Trinity College Dublin)
    Time:=
=C2=A0Monday, 1st April 2019 at 1pm
    Location:=C2=A01.25 SCN, UCD O'Brien Centre for Science (North)Title:=C2=A0Some investigations on equatorial ocean dynamics=


    Abstract:
    This t=
alk focusses on some investigations into a recently developed non-linear, t=
hree dimensional equatorial model for ocean dynamics. The development of th=
e model had been motivated by observations and the model is able to capture=
 some essential properties of the flow in the equatorial region, specifical=
ly in the Pacific. Analysis of velocity field and flow paths indicate that =
several known and unknown features (which are essentially non-linear and th=
ree dimensional such as upwelling/downwelling, cellular flow structures, di=
vergence of flow from the equator and extra-equatorial flows, subsurface oc=
ean 'bridge' in the equatorial direction and sharp change in gradie=
nt of the flow path) exist and can be simulated by the model.

    =3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

    Best wishes,=

    Barry Wardell=


    title:: UCD ACM=C2=A0Seminar
    date-time::=C2=A0Mo=
nday, 1st April 2019 at 1pm
    =
location:: 1.25 SCN, UCD O'Brien Centre for Science (North)
    content::=C2=A0Biswajit Basu=C2=A0(Trinit=
y College Dublin)=C2=A0<=
/font>will speak on
    ::=C2=A0Some inv=
estigations on equatorial ocean dynamics
    endevent::
    =

    =

    

--000000000000f4780c058538d9e6--

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Reply-To:     Sergey Mozgovoy 
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From:         Sergey Mozgovoy 
Subject: TCD Geometry Seminar
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TCD Geometry Seminar
Wednesday, April 3 at 11:00am
New Seminar Room, Hamilton Building, TCD

Speaker: Matija Tapuskovic (Oxford University)

Title: Motivic Galois coaction on 1-loop motivic Feyman amplitudes

Abstract:
I will present some algebro-geometric tools and examples for computing the
coaction of a Hopf algebra corresponding to the action of the motivic
Galois group on 1-loop motivic Feynman amplitudes following Francis Brown.
We will remain in the relam of 1-loop Feyman graphs because their
associated motives can be proved, using the same techniques we will see
during the talk, to be of Mixed-Tate type which is understood quite well in
algebraic geometry. This will enable us to go into the subtleties of the
computations, and of relating the Galois conjugates of a Feynman amplitude
associated to a graph to periods of motives of its sub-quotient graphs.

----------------------------------------------------
title:: TCD Geometry Seminar
content:: Matija Tapuskovic (Oxford University) will speak on
:: Motivic Galois coaction on 1-loop motivic Feyman amplitudes
:: https://www.maths.tcd.ie/~dmc/
date-time:: Wednesday, April 3 at 11:00am
location:: New Seminar Room, Hamilton Building, TCD

--000000000000a9792c05853a6e8c
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


    TCD Geometry Seminar
    Wedne=
sday, April 3 at 11:00am
    New Seminar Room, Hamilton Building, TCD=


    Speaker: Matija Tapuskovic (Oxford University)

    Title: Motivic Galois coaction on 1-loop motivic Fey=
man amplitudes

    Abstract:
    I will present =
some algebro-geometric tools and examples for computing the coaction of a H=
opf algebra corresponding to the action of the motivic Galois group on 1-lo=
op motivic Feynman amplitudes following Francis Brown. We will remain in th=
e relam of 1-loop Feyman graphs because their associated motives can be pro=
ved, using the same techniques we will see during the talk, to be of Mixed-=
Tate type which is understood quite well in algebraic geometry. This will e=
nable us to go into the subtleties of the computations, and of relating the=
 Galois conjugates of a Feynman amplitude associated to a graph to periods =
of motives of its sub-quotient graphs.

    -----------=
-----------------------------------------
    title:: TCD Geometry Se=
minar
    content:: Matija Tapuskovic (Oxford University) will speak =
on
    :: Motivic Galois coaction on 1-loop motivic Feyman amplitudes=

    date-time:: Wednesday, April 3 at 11:00am
    <=
div>location:: New Seminar Room, Hamilton Building, TCD

    

--000000000000a9792c05853a6e8c--

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Subject: Dublin Mathematics Colloquium
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Dublin Mathematics Colloquium
Thursday, April 4 at 4:00pm
Synge Theatre, Hamilton Building, TCD

Speaker: Johan Leray (University Paris 13)

Title: Double Poisson algebras up to homotopy

Abstract:
The notion of double Poisson algebra, introduced by Van den Bergh in 2008,
is the noncommutative analogous of Poisson structure. After recalling what
is a Poisson structure and presenting and motiving this new algebraic
structure, I will define the notion of (pr)operads, which are algebraic
objects used to encode many algebraic structures. I will show how we can
use this notion to understand what is double Poisson algebras up to
homotopy.

----------------------------------------------------
title:: Dublin Mathematics Colloquium
content:: Johan Leray (University Paris 13) will speak on
:: Double Poisson algebras up to homotopy
:: https://www.maths.tcd.ie/~dmc/
date-time:: Thursday, April 4 at 4:00pm
location:: Synge Theatre, Hamilton Building, TCD

--000000000000509bc605853a7c9d
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    Dublin Mathematics Colloquium
    Thursday, April 4 at 4:00=
pm
    Synge Theatre, Hamilton Building, TCD

    Speaker: Johan Leray (Un=
iversity Paris 13)

    Title: Double Poisson algebras up to homotopy
    =

    Abstract:
    The notion of double Poisson algebra, introduced by Van de=
n Bergh in 2008, is the noncommutative analogous of Poisson structure. Afte=
r recalling what is a Poisson structure and presenting and motiving this ne=
w algebraic structure, I will define the notion of (pr)operads, which are a=
lgebraic objects used to encode many algebraic structures. I will show how =
we can use this notion to understand what is double Poisson algebras up to =
homotopy.

    ----------------------------------------------------
    ti=
tle:: Dublin Mathematics Colloquium
    content:: Johan Leray (University Pa=
ris 13) will speak on
    :: Double Poisson algebras up to homotopy
    :: https://www.maths.tcd.ie/~dmc/=

    date-time:: Thursday, April 4 at 4:00pm
    location:: Synge Theatre, Ha=
milton Building, TCD
    

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Date:         Fri, 29 Mar 2019 12:14:07 +0000
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title:: Simons Foundation Distinguished Lecture Series
content:: Francis Brown (HMI Simons Visiting Professor)  will speak on
:: New perspectives on periods and integration, with applications to physics
date-time:: Tuesday, April 2 at 3:00pm
location:: School of Mathematics Seminar Room, TCD
noemail::

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    title:: Simons Foundation Distinguished Lecture Series
    co=
ntent:: Francis Brown (HMI Simons Visiting Professor)=C2=A0 will speak on
    :: New perspectives on periods and integration, with applications =
to physics
    date-time:: Tuesday, April 2 at 3:00pm
    locat=
ion:: School of Mathematics Seminar Room, TCD
    noemail::

    

    

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From:         George Rogers 
Subject: Maths: DIAS, STP Seminar: Monday, 1st April 2019, 2:30pm
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DIAS THEORETICAL PHYSICS SEMINAR

Time: Monday 1 April 2019, 2.30 pm

Speaker: Dr. Adam Stokes (University of Manchester)

Title: Gauge ambiguities imply Jaynes-Cummings physics remains valid in 
ultrastrong coupling QED

Abstract:  In quantum electrodynamics (QED) each choice of gauge 
provides different physical definitions of light and matter as quantum 
subsystems. This gauge-relativity is most evident in the ultrastrong 
light-matter coupling regime where it can have important implications 
for effective models that are in common use. In particular, we show that 
when truncating the material system to two levels, each gauge gives a 
different description whose predictions vary significantly for 
ultrastrong-coupling. Quantum Rabi models (QRMs) are obtained through 
specific gauge choices, but so too is a Jaynes-Cummings model (JCM) 
without needing the rotating-wave approximation. Analysinga circuit QED 
setup, we find that this JCM provides more accurate predictions than the 
QRM for the ground state, and often for the first excited state as well. 
Thus, Jaynes-Cummings physics is not restricted to light-matter coupling 
below the ultrastrong limit. Next, we consider time-dependent couplings 
as required for numerous applications. We show that in the absence of an 
argument to choose a particular gauge when promoting the coupling 
parameter to a time-dependent function, the description that results is 
essentially ambiguous. For sufficiently strong and non-adiabatic 
interactions, the qualitative physical predictions of final subsystem 
properties, such as entanglement and photon number, depend on the gauge 
chosen. This occurs even when the coupling vanishes at the preparation 
and measurement stages of the protocol, at which times the subsystems 
are unique and experimentally addressable.

Place: Lecture Room, 1st Floor, School of Theoretical Physics, DIAS, 10 
Burlington Road, Dublin 4

Web: DIAS Visitors - https://www.dias.ie/category/stp/stp-visitors/

All welcome!

&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&

title:: DIAS Theoretical Physics Seminar
content:: Dr. Adam Stokes
date-time:: 1 April 2019, 2:30 pm
location:: School of Theoretical Physics, DIAS. 10 Burlington Road, D.4.
endevent::

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Reply-To:     Colm Mulcahy 
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From:         Colm Mulcahy 
Subject: Maths: (new blog) The Oxford Association before 1900 (Mar 2019)
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In Mar 2018 we surveyed Irish Cambridge connections "up to 1900"
. This month, we do likewise for
Oxford.  It's a much less expansive story, as only about a dozen people are
documented here (the Cambridge version had almost 70).

However, key people such as Henry Smith, Francis Edgeworth, John Campbell,
Arthur Conway and William Gosset are included.

http://www.mathsireland.ie/blog/2019_03_cm

April's blog will highlight Tipperary
http://www.mathsireland.ie/blog/upcoming/view

Colm Mulcahy, Professor of Mathematics, Spelman College, Sci 154, PO Box
953, Atlanta, GA 30314, USA, (404) 270-5837, Annals of Irish Maths


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    In Mar 2018 we surveyed Irish Cambridge =
connections "up to 1900".
 This month, we do likewise for Oxford.=C2=A0 It's a much less expansiv=
e=20
story, as only about a dozen people are documented here (the Cambridge vers=
ion
 had almost 70).=C2=A0=C2=A0

    However, key people s=
uch as Henry Smith, Francis=20
Edgeworth, John Campbell, Arthur Conway and William Gosset are=20
included.=C2=A0 =C2=A0=C2=A0


    April's blog will highlight Tipp=
erary=C2=A0http:/=
/www.mathsireland.ie/blog/upcoming/view

    <=
font face=3D"Default Sans Serif,Verdana,Arial,Helvetica,sans-serif" size=3D=
"2">
    Colm Mulcahy, Professor of Mathematics, Spelman College,=C2=A0Sci 15=
4, PO Box 953, Atlanta, GA 30314, USA, (404) 270-5837,=C2=A0Annals of Irish Maths=C2=A0
    =

    

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From owner-mathdep LISTSERV.HEANET.IE  Sun Mar 31 19:20:39 2019
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Date:         Sun, 31 Mar 2019 18:20:15 +0000
Reply-To:     Abraham Harte 
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From:         Abraham Harte 
Subject: DCU maths colloquium
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*Speaker*: Vakhtang Putkaradze (University of Alberta)

*Title*: Theoretical figure skating

*Abstract*: Figure skating is a beautiful sport combining elegance,
precision, and athleticism. To understand some of the mechanics and
complexity involved in this sport, we derive and analyze a three
dimensional model of a figure skater at a continuous contact with the ice
(i.e., no jumps). We model the skater as a three-dimensional body moving in
space subject to a non-holonomic constraint enforcing movement along the
skate's direction and holonomic constraints of continuous contact with ice
and pitch constancy of theskate. We derive a surprising result that for a
static (i.e., non-articulated) skater, the system is integrable if and only
if the projection of the center of mass on skate's direction coincides with
the contact point with ice and some mild (and realistic) assumptions on the
directions of inertia's axes. The integrability is proved by showing the
existence of two new constants of motion linear in momenta, providing a new
and highly nontrivial example of an integrable non-holonomic mechanical
system. We also consider the case when the projection of the center of mass
on skate's direction does not coincide with the contact point and show that
this non-integrable case exhibits apparent chaotic behavior, by studying
the divergence of nearby trajectories.  We also demonstrate the intricate
behavior during the transition from the integrable to the chaotic case.
Time permitting, we discuss the questions of control and applications to
skating robots. Our model shows many features of real-life skating, and we
conjecture that real-life skaters may intuitively use the discovered
mechanical properties of the system for the control of the performance on
the ice.
*Location*: Wednesday, April 3, 2019 at 3pm in XG22, DCU


title:: DCU Maths Colloquium
content::  Vakhtang Putkaradze (Alberta) will speak on
::       Theoretical figure skating
date-time:: Wednesday 3rd April, 2019 at 3pm
location:: XG22, DCU
endevent:

--=20
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*S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer*

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    Speaker: Vakhtang Putkaradze (University of Al=
berta)

    Titl=
e: Theoretical figure skating=C2=A0
    <=
br>
    Abstract<=
/b>: Figure=C2=A0skating=C2=A0is a beaut=
iful sport combining elegance, precision,=C2=A0and athleticism. To understa=
nd some of the mechanics and complexity involved in this sport, we derive a=
nd analyze a three dimensional model of a=C2=A0figure=C2=A0skater=C2=A0at a continuous contact with the ice (i.e.,=
 no jumps). We model the=C2=A0skater=C2=A0as a =
three-dimensional body moving in space subject to a non-holonomic constrain=
t enforcing movement along the=C2=A0skate's=
 direction and holonomic constraints of continuous contact with ice and pit=
ch constancy of theskate. We derive a surprisin=
g result that for a static (i.e.,=C2=A0non-articulated)=C2=A0skater, the system is integrable if and only if the projectio=
n of the center of mass on=C2=A0skate's dir=
ection coincides with the contact point with ice and some mild (and realist=
ic) assumptions on the directions of inertia's axes. The integrability =
is proved by showing the existence of two new constants of motion linear in=
 momenta, providing a new and highly nontrivial example of an integrable no=
n-holonomic mechanical system. We also consider the case when the projectio=
n of the center of mass on=C2=A0skate's dir=
ection does not coincide with the contact point and show that this non-inte=
grable case exhibits apparent chaotic behavior, by studying the divergence =
of nearby trajectories.=C2=A0 We also demonstrate the intricate behavior du=
ring the transition from the integrable to the chaotic case. Time permittin=
g, we discuss the questions of control and applications to=C2=A0skating=C2=A0robots. Our model shows many features of=C2=
=A0real-life=C2=A0skating<=
/span>, and we conjecture that real-life=C2=A0s=
katers=C2=A0may intuitively use the discovered mechanical properties=
 of the system for the control of the performance on the=C2=A0ice.
    Location:=C2=A0Wednesday, April 3, 2019 at=
 3pm in XG22, DCU=C2=A0=C2=A0

    t=
itle:: DCU Maths Colloquium
    content::=C2=A0     Vakhtang Putkaradze (=
Alberta) will speak on
    ::=C2=A0 =C2=A0 =C2=A0=C2=A0

Theoretical figure skating 
    date-time:: Wednesday 3rd April, 2019 at 3pm=

    location:: XG22, DCU
    endevent:=C2=A0=C2=A0=C2=A0
    


    

    S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=

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    This e-mail and any files transmitted with it are confidential and a=
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From owner-mathdep LISTSERV.HEANET.IE  Mon Apr  1 01:02:48 2019
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Reply-To:     Kazim Buyukboduk 
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From:         Kazim Buyukboduk 
Subject: maths: UCD Algebra and Number Theory Seminar (April 4)
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UCD Algebra and Number Theory Seminar


*Speaker:* Damjana Kokol Bukovsek (Ljubljana)
*Title:* Jordan triple product homomorphisms on Hermitian and triangular
matrices

*Abstract:* A map =CE=A6 : M_n(F) =E2=86=92M_m(F) is a Jordan triple produc=
t (J.T.P.)
homomorphism whenever =CE=A6(ABA) =3D =CE=A6(A)=CE=A6(B)=CE=A6(A)  for all =
A, B =E2=88=88 M_n(F). We
study J.T.P. homomorphisms on Hermitian matrices H_n(C) and upper
triangular matrices T_n(F). We characterize J.T.P. homomorphisms of real or
complex Hermitian matrices for the cases n=3D1, m=3D1, and n=3Dm=3D2.
We characterize J.T.P. homomorphisms of real or complex upper triangular
matrices for the cases n=3D1, and m=3D1. In some cases we consider only
continuous maps and the implications of omitting the assumption of
continuity.

*Date:* Thursday, April 4, 2019
*Time:* 2:00pm
*Location:* Room 1.25, O=E2=80=99Brien Centre for Science (North) (map

)

title:: UCD Algebra and Number Theory Seminar
content:: Damjana Kokol Bukovsek (Ljubljana) will speak on
:: Jordan triple product homomorphisms on Hermitian and triangular matrices
date-time:: Thursday, April 4, 2019 at 2:00pm
location:: Room 1.25, O=E2=80=99Brien Centre for Science (North)
endevent::

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    =

    UCD Algebra and Number Theory Seminar

    Speaker:=C2=A0Damjana Kokol Bukovsek (Ljubljana)=C2=A0
    Title:=C2=A0Jordan trip=
le product homomorphisms on Hermitian and triangular matrices
    <=
div dir=3D"ltr">
    Abstract:=C2=A0A map =CE=
=A6 : M_n(F) =E2=86=92M_m(F) is a Jordan triple product (J.T.P.) homomorphi=
sm whenever =CE=A6(ABA) =3D =CE=A6(A)=CE=A6(B)=CE=A6(A) =C2=A0for all A, B =
=E2=88=88 M_n(F). We study J.T.P. homomorphisms on Hermitian matrices H_n(C=
) and upper triangular matrices T_n(F). We characterize J.T.P. homomorphism=
s of real or complex Hermitian matrices for the cases n=3D1, m=3D1, and n=
=3Dm=3D2.=C2=A0
    We characterize J.T.P. =
homomorphisms of real or complex upper triangular matrices for the cases n=
=3D1, and m=3D1. In some cases we consider only continuous maps and the imp=
lications of omitting the assumption of continuity.
    =

    Date:=C2=A0Thursday, April 4, 2019
    Time:=C2=A02:00pm
    Location:=C2=A0Room 1.25, O=E2=80=99B=
rien Centre for Science (North) (map)

    title:: UCD Al=
gebra and Number Theory Seminar
    content::=C2=A0Damjana Kokol Bukovsek (L=
jubljana)=C2=A0will speak on<=
br>::=C2=A0Jordan triple product homomorphisms on H=
ermitian and triangular matrices
    date-time:: Thursday, April 4, 2=
019 at 2:00pm
    location::=C2=A0Room 1.25, O=E2=80=99Brien Centre for Science (N=
orth)
    endevent::
    <=
/div>
    

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Reply-To:     Abraham Harte 
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Subject: DCU Maths Sciences colloquium
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*Speaker*: Florian Pausinger (Belfast)

*Title*: Persistent Homology and its use in digital image analysis

*Abstract*: Persistent homology is an algebraic tool for quantifying
topological features of shapes and functions, which has recently found wide
applications in data and shape analysis. In the first part of this talk, I
aim to present the underlying algebraic ideas and basic concepts of this
very active field of research. In the second part I sketch an application
in digital image analysis.
*Location*: Wednesday, March 4, 2020 at 3pm in XG20, DCU


title:: DCU Maths Colloquium
content::    Florian Pausinger (Belfast) will speak on
::    Persistent Homology and its use in digital image analysis
date-time:: Wednesday 4th March, 2020 at 3pm
location:: XG20, DCU
endevent:

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    Speaker:=C2=A0Florian Pausinger=C2=A0=
(Belfast)

    Title: Persistent Homology and its use in digital image analysis<=
/div>

    Location:=C2=A0Wednesday, March 4, 2020 at =
3pm in XG20, DCU=C2=A0=C2=A0

    ti=
tle:: DCU Maths Colloquium
    content::=C2=A0=C2=A0    =C2=A0

Florian Pausinger=C2=A0(Belfast)=C2=A0will speak on
    ::=C2=A0 =C2=
=A0=20

Persistent Homology and its use in digital image analysis


    date-time:: Wednesday 4th March, 2020 at 3pm
    location:: XG20, DCUendevent:=C2=A0
    


    

    S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=

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re intended solely for use by the addressee. Read more here.<=
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From:         Ruth Britto 
Subject: maths: Theoretical Physics Seminar - TCD - 12 March
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TCD THEORETICAL PHYSICS SEMINAR
Thursday, 12 March 2020, 2:00 pm

Seminar Room, House 20
School of Mathematics=20
Trinity College Dublin

Speaker: Ren=C3=A9 Pascal Klausen (Humboldt University)
Title: GKZ hypergeometric structures of Feynman integrals

Abstract:=20
In the 1960s it was proposed by Regge to consider Feynman integrals as a =
kind of generalized hypergeometric functions. In this talk we will =
generalize the notion of hypergeometric function in the manner of =
Gelfand-Kapranov-Zelevinsky (GKZ) and collaborators and show that =
Feynman integrals can be indeed described as those generalized =
hypergeometric functions. By applying the results of =
Gelfand-Kapranov-Zelevinsky we will derive a formula for a class of =
hypergeometric series representations of Feynman integrals, which can be =
obtained by triangulations of the Newton polytope $\Delta_G$ =
corresponding to the Lee-Pomeransky polynomial $G$.

All are welcome.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

title:: TCD Theoretical Physics Seminar
content::Ren=C3=A9 Pascal Klausen (Humboldt University)
::GKZ hypergeometric structures of Feynman integrals::
date-time:: 12 March 2020 at 2:00 pm
location::Seminar Room House 20, TCD
endevent::=

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	charset=utf-8


    TCD THEORETICAL PHYSICS SEMINAR
    Thursday, 12 March 2020, 2:00 pm

    Seminar Room, House 20
    School of =
Mathematics 
    Trinity College Dublin

    Speaker: Ren=C3=A9 Pascal Klausen (Humboldt University)
    Title: GKZ hypergeometric structures of Feynman =
integrals

    Abstract: 
    In the =
1960s it was proposed by Regge to consider Feynman integrals as a kind =
of generalized hypergeometric functions. In this talk we will generalize =
the notion of hypergeometric function in the manner of =
Gelfand-Kapranov-Zelevinsky (GKZ) and collaborators and show that =
Feynman integrals can be indeed described as those generalized =
hypergeometric functions. By applying the results of =
Gelfand-Kapranov-Zelevinsky we will derive a formula for a class of =
hypergeometric series representations of Feynman integrals, which can be =
obtained by triangulations of the Newton polytope $\Delta_G$ =
corresponding to the Lee-Pomeransky polynomial $G$.

    All are welcome.

    =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=


    title:: TCD Theoretical Physics Seminar
    content::Ren=C3=A9 Pascal Klausen (Humboldt =
University)
    ::GKZ hypergeometric structures of =
Feynman integrals::
    date-time:: 12 March 2020 at =
2:00 pm
    location::Seminar Room House 20, TCD
    endevent::
    =

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From:         "Peg.Hanrahan" 
Subject: Maths: MACSI Seminar: Kinetic Analysis and Metabolic Mapping of Dynamic Imaging Studies with PET and MR. Friday 6th March 2020 Room A1-051 at 2p.m. University of Limerick
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MACSI at the department of Mathematics and Statistics at the University of =
Limerick invites you to a seminar

Date:  Friday, March 6, 2020, Room A1-051 at 14.00
      (Please note the unusual time and room number)

Speaker: Prof. Finbarr O' Sullivan (School of Mathematical Sciences, U.C.C.=
)

Title: Kinetic Analysis and Metabolic Mapping of Dynamic Imaging Studies wi=
th PET and MR.

Abstract: Dynamic volumetric imaging of tissue following the injection of a=
 positron emission tomography (PET) radio-tracer  or magnetic resonance (MR=
) paramagnetic agent, has the potential to provide valuable information abo=
ut tissue physiology and metabolism. Such techniques are used in a number o=
f basic research settings and over the past decades in the clinical managem=
ent of certain groups of cancer patients. The talk gives an overview of the=
 mathematical basis of these techniques and the role of parametric and non-=
parametric modelling in the analysis of the resulting image datasets.  A co=
mprehensive representation of the imaging data gives an opportunity to appl=
y model-based bootstrapping for assessment of uncertainties in derived biom=
arkers. This is illustrated by application to a PET blood flow- metabolism =
mismatch study in a breast cancer patient. The study involves injections of=
 O-15 H2O and F-18 FDG. The bootstrap requires analysis of many (several hu=
ndred) sets of the simulated 4-D datasets in order to obtain a series of si=
mulated 4- D parametric images. The simulated parametric images are used to=
 directly evaluate statistical uncertainties (standard errors) in derived i=
maging biomarkers. Some theoretical analysis of the estimation process is a=
lso developed. This work supports the use of estimation techniques that avo=
id the computation burden of likelihood.  In the context of PET, a series o=
f simple numerical simulations with dynamic FDG and dynamic H2O studies, sh=
ows that the hybrid estimation approach achieves high efficiency over a ran=
ge of realistic doses.
{Work is supported by the National Cancer Institute (US) and Science Founda=
tion Ireland.}



Further Information: If you have any questions regarding this seminar, plea=
se direct them to Romina Gaburro (061 2131930, email romina.gaburro ul.ie  or Clifford Nolan (061 202766), clifford.nolan=
 ul.ie).

---------------------------------------------------------------------------=
-
Supported by Science Foundation Ireland funding, MACSI - the Mathematics Ap=
plications Consortium for Science and Industry (www.macsi.ul.ie), centred at the University of Limerick, is dedicated to the =
mathematical modelling and solution of problems which arise in science, eng=
ineering and industry in Ireland.



--_000_DB7SPR01MB003532F2AF7D9530924522AE8EE40DB7SPR01MB0035eu_
Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable









    

     
    

     
    

     
    

     
    

     
    

    MACSI at the department of Math=
ematics and Statistics at the University of Limerick invites you to a semin=
ar
    

     
    

    Date:  Frid=
ay,
 March 6, 2020, Room A1-051 at 14.00=

    

          (<=
u>Please note the unusual time and room number)<=
o:p>
    

     
    

    Speaker: Prof. Finbarr O’ Sullivan (School of Mathematical
 Sciences, U.C.C.)
    

     
    

    Title: Kinetic
 Analysis and Metabolic Mapping of Dynamic Imaging Studies with PET and MR.=

    

     
    

    
Abstract: <=
span style=3D"font-size:13.5pt;font-family:"Times",serif;color:bl=
ack">Dynamic
 volumetric imaging of tissue following the injection of a positron emissio=
n tomography (PET) radio-tracer  or magnetic resonance (MR) paramagnet=
ic agent, has the potential to provide valuable information about tissue ph=
ysiology and metabolism. Such techniques
 are used in a number of basic research settings and over the past decades =
in the clinical management of certain groups of cancer patients. The talk g=
ives an overview of the mathematical basis of these techniques and the role=
 of parametric and non-parametric
 modelling in the analysis of the resulting image datasets.  A compreh=
ensive representation of the imaging data gives an opportunity to apply mod=
el-based bootstrapping for assessment of uncertainties in derived biomarker=
s. This is illustrated by application
 to a PET blood flow- metabolism mismatch study in a breast cancer patient.=
 The study involves injections of O-15 H2O and F-18 FDG. The bootstrap requ=
ires analysis of many (several hundred) sets of the simulated 4-D datasets =
in order to obtain a series of simulated
 4- D parametric images. The simulated parametric images are used to direct=
ly evaluate statistical uncertainties (standard errors) in derived imaging =
biomarkers. Some theoretical analysis of the estimation process is also dev=
eloped. This work supports the use
 of estimation techniques that avoid the computation burden of likelihood.&=
nbsp; In the context of PET, a series of simple numerical simulations with =
dynamic FDG and dynamic H2O studies, shows that the hybrid estimation appro=
ach achieves high efficiency over a range
 of realistic doses.
    

    {Work is supported by the National Cancer Inst=
itute (US) and Science Foundation Ireland.} 
    

     
    

     
    

     
    

    Further Information: If
 you have any questions regarding this seminar, please direct them to Romin=
a Gaburro (061 2131930, email =
romina.gaburro ul.ie  or =
Clifford Nolan (061 202766), clifford.nolan ul.ie).
    

     
    

    -----------------------------------------------------------------=
-----------
    

    Supported by Science Foundation Ireland funding, MACSI - the Math=
ematics Applications Consortium for Science and
 Industry (www.macsi.ul.ie), centred at the University of Limerick, is ded=
icated to the mathematical modelling and solution of problems which arise i=
n science, engineering and industry
 in Ireland.
    

     
    

     
    

    



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Date:         Tue, 3 Mar 2020 12:13:35 +0000
Reply-To:     Kwok Chuen Wong 
Sender:       UCD Maths Department Distribution List 
From:         Kwok Chuen Wong 
Subject: DCU Mathematical Finance Seminar - Martin Keller-Ressel (Technische Universit=?UTF-8?Q?=C3=A4t_?=Dresden)
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Dear colleagues,

We will have Mathematical Finance seminar on Friday (6th Marth).
Everybody welcome,
Ryan

title:: DCU Math Finance (Martin Keller-Ressel, Technische Universit=C3=A4t
Dresden)
content:: Title of talk: Total Positivity and the Shape of the Yield Curve
:: The term structure of interest rates =E2=80=93 summarized in the form of=
 the
yield or forward curve =E2=80=93 is one of the most fundamental economic in=
dicators.
:: Its shape encodes important information on the preferences for short-
vs. long-term investments, the desire for liquidity and
:: on expectations of central bank decisions and the general economic
outlook.
:: It is therefore a natural question =E2=80=93 to be asked of any mathemat=
ical
model of the term structure =E2=80=93
:: which shapes of yield and forward curves the model is able to
(re-)produce.
:: For one-dimensional affine models, such as the Vasicek and the
Cox-Ingersoll-Ross model, it has been known for some time that
:: only normal, inverse and humped curves can be produced.
:: In this talk, we provide for the first time a systematic classification
of term structure shapes beyond the one-dimensional case and
:: discuss the classification of yield and forward curve shapes in the
two-dimensional Vasicek model.
:: As expected, several additional shapes, such as a dipped curve become
attainable in the two-factor model.
:: Our main mathematical tool is the theory of total positivity (pioneered
by Sch=C3=B6nberg, Gantmacher, Krein and Karlin in the last century),
:: a theory linked to the variation-diminishing properties of certain
matrices, function systems and integral kernels.
:: We explain how total positivity can be applied to the shape analysis of
the term structure in case of the two-factor Vasicek model and
:: discuss possible applications to other multi-factor interest rate models
as well.
date-time:: 6th March at 11:00am
location:: DCU Business School, QG22

--=20
Kwok Chuen Wong, Ryan
Assistant Professor in Financial Mathematics
School of Mathematical Sciences, Dublin City University
X136, Lonsdale Building, Dublin City University, Glasnevin, Dublin 9,
Ireland
Tel: +353 1 7005291
Email: kwokchuen.wong dcu.ie

--=20
*

*S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer*

*T=C3=A1 an r=C3=ADomhphost seo agus aon=20
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*

*This e-mail and any=20
files transmitted with it are confidential and are intended solely for use=
=20
by the addressee. Read more here.=20
*



*

--=20

  =20
=20
=20


--000000000000e419bf059ff23d34
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    Dear colleagues,

    We will have Mathematical Finance =
seminar on Friday (6th Marth).
    Everybody welcome,
    Ryan

    title::=
 DCU Math Finance (Martin Keller-Ressel, Technische Universit=C3=A4t Dresde=
n)
    content:: Title of talk: Total Positivity and the Shape of the Yield =
Curve
    :: The term structure of interest rates =E2=80=93 summarized in th=
e form of the yield or forward curve =E2=80=93 is one of the most fundament=
al economic indicators.
    :: Its shape encodes important information on th=
e preferences for short- vs. long-term investments, the desire for liquidit=
y and
    :: on expectations of central bank decisions and the general econo=
mic outlook. 
    :: It is therefore a natural question =E2=80=93 to be aske=
d of any mathematical model of the term structure =E2=80=93 
    :: which sh=
apes of yield and forward curves the model is able to (re-)produce.
    :: F=
or one-dimensional affine models, such as the Vasicek and the Cox-Ingersoll=
-Ross model, it has been known for some time that
    :: only normal, invers=
e and humped curves can be produced. 
    :: In this talk, we provide for th=
e first time a systematic classification of term structure shapes beyond th=
e one-dimensional case and
    :: discuss the classification of yield and fo=
rward curve shapes in the two-dimensional Vasicek model. 
    :: As expected=
, several additional shapes, such as a dipped curve become attainable in th=
e two-factor model. 
    :: Our main mathematical tool is the theory of tota=
l positivity (pioneered by Sch=C3=B6nberg, Gantmacher, Krein and Karlin in =
the last century),
    :: a theory linked to the variation-diminishing prope=
rties of certain matrices, function systems and integral kernels.
    :: We =
explain how total positivity can be applied to the shape analysis of the te=
rm structure in case of the two-factor Vasicek model and
    :: discuss poss=
ible applications to other multi-factor interest rate models as well.
    da=
te-time:: 6th March at 11:00am
    location:: DCU Business School, QG22

    -- 
    =
Kwok Chuen Wong, Ryan
    Assistant Professor in Financial Mathematics<=
br>School of Mathematical Sciences, Dublin=
 City University
    X136, Lonsdale Building, Dublin City University, Glasnevin,=
 Dublin 9, Ireland
    Tel: +3=
53 1 7005291
    Email:=
 kwokchuen.wong =
dcu.ie
    <=
/div>
    


    

    S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=

    T=C3=A1 an r=C3=ADomhphost seo agus a=
on chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=A1id ag an=
 seola=C3=AD agus sin amh=C3=A1in =C3=A9. Is f=C3=A9idir tuilleadh a l=
=C3=A9amh anseo.=C2=A0
    This e-mail and any files transmitted with it are confidential and a=
re intended solely for use by the addressee. Read more here.<=
/span>


    =

    

    

    
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Subject: maths: Probability seminar, Wed 25th March 2020
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UCD School of Mathematics and Statistics - Seminar Notice=0D
=0D
 =0D
	Speaker: Mustazee Rahman (Durham)=0D
 =0D
	Title: On shocks in TASEP=0D
=0D
 =0D
	Date: Wed 25th March 2020=0D
 =0D
	Time: 2:00PM=0D
 =0D
	Location: Seminar Room SCN 1.25=0D
=0D
Abstract: The TASEP particle system runs into traffic jams when the density=
 of its initial particle configuration increases in the direction of flow. =
It serves as a microscopic model of shocks in Burgers equation. I will desc=
ribe work with Jeremy Quastel where, for a basic setup, we identity fluctua=
tions of the shock by using determinantal formulas for correlation function=
s. These are described in terms of random matrix laws.=0D
=0D
Further information: mailto:neil.oconnell ucd.ie =0D
=0D
-------------------------------------------------------------=0D
For other seminars in the Probability series, see http://maths.ucd.ie/semin=
arseries/probability=0D
=0D
-------------------------------------------------------------=0D
The following formats the above notice so as to be included in the mathdep =
google calendar=0D
=0D
title:: On shocks in TASEP=0D
content:: Mustazee Rahman (Durham) =0D
:: UCD Probability seminar (http://maths.ucd.ie/seminarseries/probability) =
=0D
location:: Seminar Room SCN 1.25=0D
date-time:: Wed 25th March 2020 at 2:00PM=20=


----+--1583242802--+--
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    UCD School of Mathematics and Statistics - Seminar Notice

    


    
 

    
	Speaker:  Mustazee Rahman (Durham)

    
 

    
	Title: On shocks in TASEP

    


    
 

    
	Date: Wed 25th March 2020

    
 

    
	Time: 2:00PM

    
 

    
	Location: Seminar Room SCN 1.25

    


    
Abstract: The TASEP particle system runs into traffic jams when the density of its initial particle configuration increases in the direction of flow. It serves as a microscopic model of shocks in Burgers equation. I will describe work with Jeremy Quastel where, for a basic setup, we identity fluctuations of the shock by using determinantal formulas for correlation functions. These are described in terms of random matrix laws.

    


    
Further Information
    


    
-------------------------------------------------------------

    
For other seminars in the Probability series, click http://maths.ucd.ie/seminarseries/probability

    


    
-------------------------------------------------------------

    
The following formats the above notice so as to be included in the mathdep google calendar

    


    
title:: On shocks in TASEP

    
content:: Mustazee Rahman (Durham) 

    
:: UCD Probability seminar (http://maths.ucd.ie/seminarseries/probability) 

    
location:: Seminar Room SCN 1.25

    
date-time:: Wed 25th March 2020 at 2:00PM 
    
----+--1583242802--+----

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar  4 10:32:46 2020
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Reply-To:     Joost Slingerland 
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From:         Joost Slingerland 
Subject: maths: Theoretical Physics Seminar this Friday -- Eran Ginossar(University of Surrey) -- Topological phases of a dimerized Fermi-Hubbard model for dopant nano-lattices in silicon
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Dear All,

This Friday, March 6, there will be a Maynooth Theoretical Physics 
Seminar. 
Details follow below. All are most welcome to attend.

Speaker:Eran Ginossar (University of Surrey)

Time:	Friday March 6, 3pm

Place: 	Hall D, Arts building, Maynooth University North Campus

Title:	Topological phases of a dimerized Fermi-Hubbard model for dopant
 	nano-lattices in silicon

Abstract:
Motivated by recent advances in fabricating artificial lattices especially 
dopant atoms in silicon and their promise for quantum simulation of 
topological materials, we theoretically study the one-dimensional 
dimerized Fermi-Hubbard model. We show how the topological phases at 
half-filling can be characterized by a reduced Zak phase defined based on 
the reduced density matrix of each spin subsystem. Signatures of 
bulk-boundary correspondence are observed in the triplon excitation of the 
bulk and the edge states of uncoupled spins at the boundaries. At 
quarter-filling we show that owing to the presence of the Hubbard 
interaction the system can undergo a transition to the topological state 
of the spinless Su-Schrieffer-Heeger model with the application of a 
moderate-strength external magnetic field. We propose an experimental 
realization with a chain of dopant atoms in silicon or gate-defined 
quantum dots in GaAs where the transition can be probed by measuring the 
tunneling current through the many-body state of the chain.

----------------------------------------------------------------
Apologies for the late notice.
Hope to see some of you there,

Best regards,

Joost Slingerland
Department of Theoretical Physics
Maynooth University

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Date:         Wed, 4 Mar 2020 13:50:00 +0000
Reply-To:     "Dendrinos, Spyridon" 
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From:         "Dendrinos, Spyridon" 
Subject: maths: UCC Mathematics Seminar
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Dear Colleagues,



You are welcome to the following seminar:



UCC Mathematics Seminar



Time and location: 4-5pm, Tuesday 10 March 2020, WGB 405



Speaker: Rupert Levene (University College Dublin)


Title:

State convertibility in the von Neumann algebra framework

Abstract:

We will discuss an approximate generalisation of Nielsen's fundamental LOCC=
 state convertibility theorem in quantum information to the context of bipa=
rtite quantum systems modelled by commuting semi-finite von Neumann algebra=
s. This is joint work with Jason Crann, David Kribs and Ivan Todorov.


Best regards,

Spyros Dendrinos


--_000_DB7PR02MB415626A704C3B537557F4390BAE50DB7PR02MB4156eurp_
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Dear Colleagues, 
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    
 
    

    

    
You are we=
lcome to the following
seminar:
    

    

    
 
    

    

    
U=
CC
Mathematics Seminar
    

    

    
 
    

    

    
Time an=
d location:
4-5pm, Tuesday 10 March 2020, WGB 405
    

    

    
 
    

    

    
Speaker:=
 
Rupert Levene (University C=
ollege Dublin)
    

    

    

    

    

    

    
Title: 
    

    =

    

    

    

    

    

    

    

    

    


    


    

    State convertibility
 in the von Neumann algebra framework
    
    <=
/span>    

    
    

    
<=
font face=3D"Calibri">Abstract:
    

    

    

    

    

    


    

    

    

    

    We
 will discuss an approximate generalisation of Nielsen's fundamental LOCC s=
tate convertibility theorem in quantum information to the context of bipart=
ite quantum systems modelled by commuting semi-finite von Neumann algebras.=
 This is joint work with Jason Crann,
 David Kribs and Ivan Todorov.
    
    <=
/span>    

    


    
    

    
    

    

    
    <=
/font>
    

    


    

    

    

    

    

    

    Best regards,
    

    

    

    

    Spyros Dendrinos
    
    

    

    


    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    



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Reply-To:     David Wraith 
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From:         David Wraith 
Subject: maths: Geometry talk in Maynooth next Tuesday
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Dear all,

There will be a geometry seminar in Maynooth next Tuesday, 10/3/20, at 5pm =
in MS2, Logic House. The details are as follows:

Dr Carlos Grossi, University of Sao Paulo, Brazil.

'On tances and lumes: an approach to classic geometries with applications'

Abstract:
We introduce a coordinate-free approach to classic geometries which is appl=
icable to elliptic (spherical, Fubini-Study), hyperbolic (real, complex, qu=
aternionic), and Lorentzian (de Sitter, anti de Sitter) geometries (among o=
thers). Our approach highlights some algebraic structures which are common =
to all the mentioned geometries, providing tools to deal with certain "alge=
braic versus transcendental" questions that naturally appear when dealing w=
ith geometric invariants of such non-Euclidean geometries. We will illustra=
te the approach with a few applications that include the construction of ma=
nifolds endowed with complex hyperbolic structure and the solution of a con=
jecture by J. J. Seidel on the volume of ideal (real) hyperbolic tetrahedra=
.

Everyone is welcome to attend.
Regards,
David.



---------------------------------------------------------

Professor David Wraith

Department of Mathematics and Statistics

National University of Ireland Maynooth

Co Kildare

Ireland

--_000_DB6PR0202MB26626B0EB85327E5B66C43B781E50DB6PR0202MB2662_
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Dear all,
    

    

    

    

    
There will be a geometry seminar in Maynooth next Tuesday, 10/3/20, at 5pm =
in MS2, Logic House. The details are as follows:
    

    

    

    

    
Dr Carlos Grossi, University of Sao Paulo, Brazil.
    
    


    

    

    'On tances and lumes: an approach to classic geometries with applicati=
ons'
    

    


    

    

    Abstract:
    
We introduce a coordinate-free approach to classic geometries which i=
s applicable to elliptic (spherical, Fubini-Study), hyperbolic (real, compl=
ex, quaternionic), and Lorentzian (de Sitter, anti de Sitter) geometries (a=
mong others). Our approach highlights
 some algebraic structures which are common to all the mentioned geometries=
, providing tools to deal with certain "algebraic versus transcendenta=
l" questions that naturally appear when dealing with geometric invaria=
nts of such non-Euclidean geometries. We will
 illustrate the approach with a few applications that include the construct=
ion of manifolds endowed with complex hyperbolic structure and the solution=
 of a conjecture by J. J. Seidel on the volume of ideal (real) hyperbolic t=
etrahedra.
    

    

    

    

    

    

    
Everyone is welcome to attend.
    

    
Regards,
    

    
David.
    

    

    

    

    

    

    

    

    

    -------------------------=
--------------------------------
    

    Professor David Wraith

    Department of Mathematics=
 and Statistics
    

    National University of Ir=
eland Maynooth
    

    Co Kildare
    

    Ireland
    

    

    

    

    



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Message-ID:  <00a21cef-31da-ac73-888c-9d711881fa44 stp.dias.ie>
Date:         Thu, 5 Mar 2020 10:25:57 +0000
Reply-To:     George Rogers 
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From:         George Rogers 
Subject: Maths: CANCELLED -STP, DIAS Statutory Public Lecture - Monday 30 March 2020
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Due to unforeseen issues, this event has been cancelled.

DIAS, STP Statutory Public Lecture 2020

Speaker: Prof Pan Jianwei (University of Science & Technology of China)

Title: 'Dream & Realization of Quantum Communication'

Abstract: Quantum information science and technology are emerging and 
fascinating technologies formed by combining coherent manipulating of 
individual quantum systems and information technology, which enables 
secure quantum cryptography (quantum communication), super-fast quantum 
computing (quantum computation), and improving measurement precision 
(quantum metrology) etc., to beat classical limits.

For fundamental aspect, one is led to the conception of quantum 
entanglement. The appeared ‘spooky action at a distance’ phenomena 
referred by Einstein, is often explained by seemingly reasonable 
assumptions of "local realism”. The inequalities proposed by John Bell 
and others provide immediate tests for correctness of quantum mechanics. 
Many efforts are addressing loophole-free tests of Bell inequalities, 
which tries to close various loopholes, in which some of loopholes are 
still needed to be addressed including freedom of choice loophole, the 
collapse locality loophole. Well, the final test is on-going, many 
developed ground-breaking technologies for coherent manipulation of 
quantum systems offers elegant and feasible solutions for satisfying 
increasing needs of computational power and information security.

Based on state-of-the-art fiber technology and rich fiber resources, we 
have managed to achieve prevailing quantum communication with realistic 
devices in real-life situation. This constitutes demonstrations by 
developing decoy state scheme over 100km firer, extending its employment 
in the metropolitan area network, as well as maintaining Measurement 
Device Independent QKD (MDI-QKD) over 400km. At the meantime, we are 
also developing practically useful quantum repeaters that combine 
entanglement swapping, entanglement purification, efficient and 
long-lived quantum memory for the ultra-long distance quantum 
communication. Another complementing route is to attain global quantum 
communication based on satellite. We have spent the past decade in 
performing systematic ground tests for satellite-based quantum 
communications. Our efforts finally ensure a successful launch of the 
Micius satellite. Three major scientific missions have been finished, 
which includes achieving QKD between satellite and ground station at 
thousand kilometer scale, achieving satellite-based entanglement 
distribution between two ground stations separated by a distance of 1200 
km, achieving quantum teleportation from ground to satellite over 1400 
km. Very recently, using Micius satellite as a trustful relay, the 
intercontinental QKD between Beijing and Vienna over a distance of 7600 
km has also been realized.

Future Prospects include building a global quantum communication 
infrastructure with satellite and fiber networks, enormous spatial 
resolution and global precise timing information sharing networks with 
applications for the global quantum communication network, ultra-precise 
optical clocks in outer space to detect gravitational wave signal with 
lower frequency, and Bell-test experiment with

Time: Monday, 30th March 2020, 6.30pm

Location: Thomas Prior Hall, Merrion Road, Ballsbridge, Dublin 4

Tickets: 
https://www.eventbrite.ie/e/dias-stp-statutory-public-lecture-2020-tickets-93898598235?aff=ebdssbdestsearch



&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&

title:: DIAS, STP Statutory Public Lecture 2020
content:: Prof Pan Jianwei (University of Science & Technology of China)
date-time:: 30 March 2020, 6:30pm
location:: Thomas Prior Hall, Merrion Road, Ballsbridge, Dublin 4
endevent::

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Reply-To:     Kazim Buyukboduk 
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Subject: maths: Algebra and Number Theory seminar, Thu 12th March 2020
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UCD School of Mathematics and Statistics - Seminar Notice


Speaker: *Padraig O'Cathain (Worcester Polytechnic Institute)*

Title: *Complex Hadamard matrices, minimal polynomials and morphisms*


Date: Thu 12th March 2020

Time: 2:00PM

Location: Seminar Room SCN 1.25

Abstract: Let M be a matrix with complex entries of unit norm. A well-known
theorem of Hadamard bounds the magnitude of the determinant of M as a
function of its dimension, and M is a (complex) Hadamard matrix if M meets
Hadamard's bound with equality.

The Hadamard conjecture concerns the existence of real Hadamard matrices
(that is, with entries in {=C2=B11}. While existence of real Hadamard matri=
ces
has been studied for over 100 years, (complex) Hadamard matrices with
entries in some extension field of =E2=84=9A have not received the same att=
ention.
In fact, apart from matrices with entries {=C2=B11,=C2=B1i}, existence and
non-existence of complex Hadamard matrices is poorly understood.

In this talk, I will discuss relations between the minimal polynomial of a
complex Hadamard matrix and tensor-product-like constructions for Hadamard
matrices with entries in a smaller field. These results generalise theorems
of Turyn and Compton-Craigen-de Launey which give real Hadamard matrices
from certain complex Hadamard matrices. Applying these techniques to
certain biquadratic extensions of =E2=84=9A recovers a construction of
Mukhopadhyay-Seberry for skew-Hadamard matrices, and time permitting, I
will report on techniques for controlling the minimal polynomial of a
Hadamard matrix. I will finish the talk with some open questions and
directions for future research.

Joint work with Ronan Egan, Phillip Heikoop, Guillermo Nunez Ponasso, Jack
Pugmire and Eric Swartz.

Further Information 

-------------------------------------------------------------
For other seminars in the Algebra and Number Theory series, click
http://maths.ucd.ie/seminarseries/Algebra

-------------------------------------------------------------
The following formats the above notice so as to be included in the mathdep
google calendar

title:: Complex Hadamard matrices, minimal polynomials and morphisms
content:: Padraig O'Cathain (Worcester Polytechnic Institute)
:: UCD Algebra and Number Theory seminar (
http://maths.ucd.ie/seminarseries/Algebra)
location:: Seminar Room SCN 1.25
date-time:: Thu 12th March 2020 at 2:00PM

--000000000000f0644c05a02b39cd
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


    UCD School of Mathematics and Statistics - Semina=
r Notice


    Speaker:=C2=A0Padraig O'Cathain (Worcester Poly=
technic Institute)

    Title:=C2=A0Complex Hadamard mat=
rices, minimal polynomials and morphisms


    Date: Thu 12th Mar=
ch 2020

    Time: 2:00PM

    Location: Seminar Room SCN 1.25

    <=
/p>
    Abstr=
act: Let M be a matrix with complex entries of unit norm. A well-known theo=
rem of Hadamard bounds the magnitude of the determinant of=C2=A0M=C2=A0as a function of its dimension, =
and=C2=A0<=
span class=3D"gmail-mi" id=3D"gmail-MathJax-Span-6" style=3D"display:inline=
;border:0px;padding:0px;margin:0px;vertical-align:0px;line-height:normal;fo=
nt-family:STIXGeneral-Italic">M=C2=A0is a (comple=
x) Hadamard matrix if=C2=A0=
M=
=
=C2=A0meets Hadamard's bound with equality.

    The Hadamard conject=
ure concerns the existence of real Hadamard matrices (that is, with entries=
 in=C2=A0{=
=C2=B11}. While existence of real Hadamard matrices=
 has been studied for over 100 years, (complex) Hadamard matrices with entr=
ies in some extension field of=C2=A0=E2=
=84=9A=C2=A0have not received the same att=
ention. In fact, apart from matrices with entries=C2=A0{=C2=B11,=C2=B1i}, existence and non-existence of complex Hadamard matrices is poorly under=
stood.

    In this talk, I will discuss relations between the minimal po=
lynomial of a complex Hadamard matrix and tensor-product-like constructions=
 for Hadamard matrices with entries in a smaller field. These results gener=
alise theorems of Turyn and Compton-Craigen-de Launey which give real Hadam=
ard matrices from certain complex Hadamard matrices. Applying these techniq=
ues to certain biquadratic extensions of=C2=A0=E2=84=9A=C2=A0recovers a construct=
ion of Mukhopadhyay-Seberry for skew-Hadamard matrices, and time permitting=
, I will report on techniques for controlling the minimal polynomial of a H=
adamard matrix. I will finish the talk with some open questions and directi=
ons for future research.

    Joint work with Ronan Egan, Phillip Heikoop=
, Guillermo Nunez Ponasso, Jack Pugmire and Eric Swartz.

    Further Information

    -----------------------=
--------------------------------------
    For other seminars in the Algebra=
 and Number Theory series, click=C2=A0http:/=
/maths.ucd.ie/seminarseries/Algebra

    --------------------------------=
-----------------------------
    The following formats the above notice so =
as to be included in the mathdep google calendar

    title:: Complex Hadamar=
d matrices, minimal polynomials and morphisms
    content:: Padraig O'Ca=
thain (Worcester Polytechnic Institute)
    :: UCD Algebra and Number Theory=
 seminar (http://math=
s.ucd.ie/seminarseries/Algebra)
    location:: Seminar Room SCN 1.25
    =
date-time:: Thu 12th March 2020 at 2:00PM
    

--000000000000f0644c05a02b39cd--

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Reply-To:     Hermann Render 
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From:         Hermann Render 
Subject: maths: UCD Colloquium Series
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noemail::
title:: UCD COLLOQUIUM SERIES
content:: Professor  MARCO MARTENS  (State University of New York at Stony
Brook, USA) will speak on
::   A field theory for smooth dynamics
date-time:: Tuesday 24th  March, 2020  at 15.00
location:: UCD  Science North 125
endevent::

-- 
Dr Hermann Render
University College Dublin
School of Mathematics and Statistics
Dublin, Ireland

--00000000000052782c05a02c25a5
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    noemail::
    title::=C2=A0UCD=C2=A0COLLO=
QUIUM=C2=A0SERIES
    content:: Professor=C2=
=A0=C2=A0MARCO MARTENS=C2=A0=C2=A0(State University of New York at S=
tony Brook, USA) will speak on
    ::=C2=A0=C2=A0

A field theory for s=
mooth dynamics=C2=A0=C2=A0
    date-time::=C2=A0Tuesday 24th=C2=A0 Ma=
rch, 2020=C2=A0 at 15.00=C2=A0
    location::=C2=A0UCD=C2=A0=C2=A0Science No=
rth 125
    endevent::

    -- 
    Dr Hermann Render
    University =
College Dublin=C2=A0
    School of Mathematics and Statistics
    Dublin, Ireland

    

--00000000000052782c05a02c25a5--

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Subject: maths: Tuesday, 24 March 2020 -- Colloquium Series of the UCD School of Mathematics and Statistics
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                *UCD School of Mathematics and Statistics Colloquium
Series  *



Dear All



The School of Mathematics and Statistics cordially invites you to the
following talk

in our  COLLOQUIUM  SERIES



*SPEAKER:   *Professor  Marco Martens

                      (State University of New York at Stony Brook, USA)





*TITLE:  *A field theory for smooth dynamics



*TIME *: Tuesday 24th  March  2020 ,  15.00=E2=80=9415.50

*LOCATION *:   Room  N1.25 North Science  (O'Brien Centre), UCD





*COFFEE MEETING *:    Common Room, from 16.00=E2=80=9416.30





ABSTRACT :    Renormalization in one and two dimensional smooth dynamics ha=
s
been very successful in describing the small scale geometrical
properties of zero entropy attractors. The observed geometrical
universality is sometimes described by a renormalization fixed point but
often the dynamics of the renormalization operator is by itself very
intricate.

Tresser and Coullet were inspired by renormalization in statistical
mechanics when they introduced Renormalization in dynamics. However,
there is no formal relation between these theories. Surprisingly, there
is a field theory for smooth dynamics which explains the universal
geometrical structure of zero entropy attractors. It brings
renormalization dynamics and renormalization in physics a bit closer to
each other.





--=20
Dr Hermann Render
University College Dublin
School of Mathematics and Statistics
Dublin, Ireland

--0000000000006c6a3e05a02c4ad4
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    =C2=A0
    


    =C2=A0
    


    =C2=A0
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0UCD School of
Mathematics and Statistics=C2=A0Colloquium Series=C2=A0 
    


    =C2=A0
    


    Dear
All=C2=A0
    


    =C2=A0
    


    The School of Mathemati=
cs and Statistics cordially
invites you to the following talk 
    


     in our=C2=A0 =
COLLOQUIUM=C2=A0=C2=A0SERIES=C2=A0 =C2=A0 =C2=A0
=C2=A0 =C2=A0
    


    =C2=A0
    


    SPEAKER:=C2=A0 =C2=A0<=
/span>Professor =C2=A0Marco Martens
    


    =C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0 (State University of New
York at Stony Brook, USA) =C2=A0
    


    =C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 
    


    =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0
    


    TITLE:=C2=
=A0 A
field theory for smooth dynamics 
    


    =C2=A0
    


    TIME=C2=A0:=C2=A0Tuesday 24th=C2=A0 March=C2=A0 20=
20 ,=C2=A0
15.00=E2=80=9415.50 =C2=A0
    


    LOCATION=C2=A0<=
/b>:=C2=A0=C2=A0=C2=A0Room=C2=A0 N1.25 North Science =C2=A0(O'Brien Cen=
tre), UCD=C2=A0
    


    =C2=A0
    


    =C2=A0
    


    COFFEE MEETING=C2=A0:=C2=A0=C2=A0=C2=A0=C2=A0Common
Room, from 16.00=E2=80=9416.30=C2=A0 
    


    =C2=A0
    


    =C2=A0
    


    ABSTRACT=C2=
=A0: =C2=A0 =C2=A0Renormaliz=
ation in one and two
dimensional smooth dynamics has
    
been very successful in describing the small scale geome=
trical
    
properties of zero entropy attractors. The observed
geometrical
    
universality is sometimes described by a renormalization
fixed point but
    
often the dynamics of the renormalization operator is by
itself very
    
intricate.
    

    
Tresser and Coullet were inspired by renormalization in
statistical
    
mechanics when they introduced Renormalization in dynami=
cs.
However,
    
there is no formal relation between these theories.
Surprisingly, there
    
is a field theory for smooth dynamics which explains the
universal
    
geometrical structure of zero entropy attractors. It bri=
ngs
    
renormalization dynamics and renormalization in physics =
a bit
closer to
    
each other.    =C2=A0 =C2=A0
    


    =
=C2=A0
    


    =C2=A0

    -- 
    Dr Herman=
n Render
    University College Dublin=C2=A0
    School of Mathematics =
and Statistics
    Dublin, Ireland

    

--0000000000006c6a3e05a02c4ad4--

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Reply-To:     George Rogers 
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From:         George Rogers 
Subject: Maths: DIAS, STP Seminar: Eoin O'Colgain - Thursday 12 March, 2:30pm
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DIAS THEORETICAL PHYSICS SEMINAR

Title: The Case for New Physics Beyond the Current Cosmology

Speaker: Eoin O'Colgain (Asia Pacific Centre of Theoretical Physics)

Abstract: Persistent discrepancies in cosmological parameters, as 
inferred from experiments, may be pointing to a break down in the 
cosmological model, Lambda-CDM. We will review experimental evidence for 
tensions in the Hubble constant and outline how arguments from string 
theory may be relevant. Time permitting, we will dissect a recent claim 
that there is a 4 sigma deviation in a high redshift Hubble diagram 
based on Type Ia supernovae, quasars and gamma-ray bursts. Expect pretty 
pictures, some math and data.

Time: Thursday 12 March 2020, 2:30pm

Location: Lecture Room, 1st Floor, School of Theoretical Physics, DIAS, 
10 Burlington Road, Dublin 4

Web: DIAS Visitors - https://www.dias.ie/category/stp/stp-visitors/

All welcome!

&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&

title:: DIAS Theoretical Physics Seminar
content:: Eoin O'Colgain (Asia Pacific Centre of Theoretical Physics)
date-time:: 12 March 2020, 2:30pm
location:: School of Theoretical Physics, DIAS. 10 Burlington Road, D.4.
endevent::

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Subject: Maths: Mathematics and Statistics Colloquia at Maynooth - Mon, March 9th at 4pm; Wed, March 11th at 3pm
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    Dear colleagues,
    


    

    

    Next week, there will be 2 Mathematics and Statistics Colloquia =
at Maynooth.  The first will take place at
4pm on Monday, March 9th while the second will be at 3pm on Wedne=
sday, March 11th;
both will be in MS2 on the top floor of Logic House on the South Campus=
 of Maynooth University. 
Details are given below and all are welcome. 
    

    


    

    

    Very best wishes,
    


    

    

    Ollie.
    

    

    

    

    

    
---------------------------------------------------------------------------=
---------------------------------------------------------------------------=
--------------------
    

    

    

    

    

    
MONDAY, MARCH 9TH AT 4PM
    

    

    


    

    

    SPEAKER:
Prof. Christian Berg, University of Copenhagen.
    


    

    

    

    TITLE:
Moment<=
/span> sequences
 and orthogonal polynomials
    

    


    

    

    ABSTRACT:

    

    

    After research in potential theory I hav=
e for the last 40 years been fascinated by moment problems and orthogonal p=
olynomials, an area with an interplay
 between complex analysis, functional analysis and operator theory. Althoug=
h it is a very classical subject, there has been a lot of recent work, see =
e.g. [1]. My own research has been focused on what is called indeterminate =
moment problems, i.e. the case where
 different positive measures have the same moments.
    
    


    

    

    I will define moment sequences of Stieltjes, Hamburger and Hausdorff a=
nd explain how they are characterized. I will also tell a little about the =
fascinating life and work of the Dutch mathematician Stieltjes, and why he =
ended up in Toulouse. I will discuss
 the theory of orthogonal polynomials associated with a positive measure on=
 the real line and give examples of determinate and indeterminate moment pr=
oblems.
    

    


    

    

    I will also discuss a joint result with Antonio Dur=A8=A2n from Sevill=
e about a =A1=B0product transformation=A1=B1 from Hausdorff moment sequence=
s to Stieltjes moment sequences, showing that (n!)^c is a Stieltjes moment =
sequence for any c > 0. This result was inspired
 by work about exponential functionals of Levy processes due to the French =
School of probabilists around Bertoin and Yor. It turns out that (n!)^c is =
determinate for 0 < c =A1=DC 2 but indeterminate when c > 2.  I =
shall end with some new results of Yafaev, Szwarc
 and myself about closability of certain operators related to moment proble=
ms.
    

    


    

    

    References
    

    
[1] M. E. H. Ismail, Classical and Quantum Orthogonal Polynomials in =
One Variable, Cambridge University Press, Cambridge 2005
    

    

    

    

    

    

    

    
WEDNESDAY, MARCH 11TH AT 3PM
    

    

    

    

    

    

    SPEAKER:
Ms. Elizabeth Oldham, Trinity College Dublin.<=
/span>
    


    

    

    

    TITLE:
Changes=
 in curriculum and assessment for school
 mathematics: Ireland in international context<=
b>
    

    


    

    

    ABSTRACT:

    
    

    

    

    
Students who came through the
 Irish education system recently have experienced =A1=B0Project Maths,=A1=
=B1 the major curriculum initiative for second-level mathematics that was i=
ntroduced gradually over a period of several years, started in 2008. Except=
 for the small number of students who attended
 the so-called Phase 1 schools, the first full cycle of implementation =A8C=
 a complete Junior Certificate followed by the revised Leaving Certificate =
=A8C was completed only in 2018 for those who did not do Transition Year an=
d 2019 for those who did. Evaluation of
 the initiative is therefore problematic, and is exacerbated by the fact th=
at a further development is already taking place in the Junior Cycle. The e=
xtended period of change has made it difficult for third-level lecturers to=
 adjust their expectations about
 incoming students=A1=AF knowledge, skills and dispositions towards mathema=
tics.
    

    
This talk does not attempt to
 provide an evaluation. Rather, it seeks to explain the rationale for key d=
evelopments, framing them by taking a historical perspective and examining =
the changing context for mathematics education internationally as well as n=
ationally. It focuses on significant
 changes in content and assessment since the foundation of the state and in=
 particular over the last sixty years. The main emphasis will be on the Hig=
her Leaving Certificate; with regard to assessment, the talk draws on the i=
nvaluable archive of state examination
 papers compiled by David Malone and Hazel Murray. Lively discussion will h=
e welcomed!
    

    

    

    

    

    



--_000_DB7PR02MB458687ECFE46B76451A298D69BE30DB7PR02MB4586eurp_--

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Date:         Sun, 8 Mar 2020 12:29:00 +0000
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From:         Oliver Mason 
Subject: Maths: Mathematics and Statistics Colloquium at Maynooth - Mon, March 9th at 4pm CANCELLED
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Dear colleagues,

Unfortunately, Prof. Christian Berg's colloquium scheduled for 4pm on Monda=
y, March 9th has had to be cancelled.

Very best wishes,

Ollie.




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Dear colleagues,
    

    

    

    


    

    

    Unfortunately, Prof. Christian Berg's colloquium scheduled for 4pm on Monday, March 9th
has had to be cancelled. 
    

    


    

    

    Very best wishes,
    


    

    

    Ollie.
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    



--_000_DB7PR02MB4586746922C0E927FEA168259BE10DB7PR02MB4586eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar  9 17:10:10 2020
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Subject: maths: Maynooth Theoretical Physics -- Mark Neyrinck -- Spinning a cosmic spiderweb
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Dear All,

This Friday, March 13, there will be a Maynooth Theoretical Physics 
Seminar. Details follow below. All are most welcome to attend.

Speaker:Mark Neyrinck (University of the Basque Country, Bilbao)

Time:	Friday March 13, 2pm

Place: 	Hall D, Arts building, Maynooth University North Campus

Title:	Spinning a cosmic spiderweb

Abstract:
I will talk about some new insights about the cosmic web that have come 
from artistic and interdisciplinary projects, through origami, structural 
engineering, and neuroscience. Perhaps most interestingly, it seems that 
filaments of the cosmic web generally rotate about their axis.

----------------------------------------------------------------
Hope to see some of you there,

Best regards,

Joost Slingerland
Department of Theoretical Physics
Maynooth University

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar 10 11:12:01 2020
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Subject: Maths: DIAS, STP Seminar: Eoin O'Colgain - Thursday 12 March, 2:30pm
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DIAS THEORETICAL PHYSICS SEMINAR

Title: The Case for New Physics Beyond the Current Cosmology

Speaker: Eoin O'Colgain (Asia Pacific Centre of Theoretical Physics)

Abstract: Persistent discrepancies in cosmological parameters, as 
inferred from experiments, may be pointing to a break down in the 
cosmological model, Lambda-CDM. We will review experimental evidence for 
tensions in the Hubble constant and outline how arguments from string 
theory may be relevant. Time permitting, we will dissect a recent claim 
that there is a 4 sigma deviation in a high redshift Hubble diagram 
based on Type Ia supernovae, quasars and gamma-ray bursts. Expect pretty 
pictures, some math and data.

Time: Thursday 12 March 2020, 2:30pm

Location: Lecture Room, 1st Floor, School of Theoretical Physics, DIAS, 
10 Burlington Road, Dublin 4

Web: DIAS Visitors - https://www.dias.ie/category/stp/stp-visitors/

All welcome!

&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&

title:: DIAS Theoretical Physics Seminar
content:: Eoin O'Colgain (Asia Pacific Centre of Theoretical Physics)
date-time:: 12 March 2020, 2:30pm
location:: School of Theoretical Physics, DIAS. 10 Burlington Road, D.4.
endevent::

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Dear Colleagues,

Unfortunately, the colloquium scheduled for 3pm today (Wed 11th March) has =
been postponed.

We are currently reviewing our colloquium plans for the remainder of this s=
emester, and will post updated information on plans for the second half of =
the semester as soon as possible.

Best wishes,

Ollie.


--_000_DB7PR02MB45862C170D880831ADDC669B9BFC0DB7PR02MB4586eurp_
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Dear Colleagues,
    

    

    

    

    
Unfortunately, the colloquium scheduled for 3pm today (Wed 11th March) has =
been postponed. 

    

    

    

    

    

    
We are currently reviewing our colloquium plans for the remainder of this s=
emester, and will post updated information on plans for the second half of =
the semester as soon as possible.
    

    

    

    

    
Best wishes,
    

    

    

    

    
Ollie.
    

    

    



--_000_DB7PR02MB45862C170D880831ADDC669B9BFC0DB7PR02MB4586eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Thu Mar 12 11:40:04 2020
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DIAS THEORETICAL PHYSICS SEMINAR

Title: The Case for New Physics Beyond the Current Cosmology

Speaker: Eoin O'Colgain (Asia Pacific Centre of Theoretical Physics)

Abstract: Persistent discrepancies in cosmological parameters, as 
inferred from experiments, may be pointing to a break down in the 
cosmological model, Lambda-CDM. We will review experimental evidence for 
tensions in the Hubble constant and outline how arguments from string 
theory may be relevant. Time permitting, we will dissect a recent claim 
that there is a 4 sigma deviation in a high redshift Hubble diagram 
based on Type Ia supernovae, quasars and gamma-ray bursts. Expect pretty 
pictures, some math and data.

Time: Thursday 12 March 2020, 2:30pm

Location: Lecture Room, 1st Floor, School of Theoretical Physics, DIAS, 
10 Burlington Road, Dublin 4

Web: DIAS Visitors - https://www.dias.ie/category/stp/stp-visitors/

All welcome!

&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&

title:: DIAS Theoretical Physics Seminar
content:: Eoin O'Colgain (Asia Pacific Centre of Theoretical Physics)
date-time:: 12 March 2020, 2:30pm
location:: School of Theoretical Physics, DIAS. 10 Burlington Road, D.4.
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Thu Mar 12 12:25:51 2020
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Date:         Thu, 12 Mar 2020 12:25:43 +0000
Reply-To:     =?iso-8859-1?Q?Ciar=E1n_Mac_an_Bhaird?= 
Sender:       UCD Maths Department Distribution List 
From:         =?iso-8859-1?Q?Ciar=E1n_Mac_an_Bhaird?= 
Subject: Maths: Huxley Lecture
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--_000_DB7PR02MB469550F3258F11D97A7C56158CFD0DB7PR02MB4695eurp_
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Dear all,

This year's Huxley Lecture, planned for 26th March at Maynooth University, =
is now postponed.

Le meas,

Ciar=E1n


Dr. Ciar=E1n Mac an Bhaird


Assistant Professor and MSC Director


Department of Mathematics and Statistics


Maynooth University


https://www.maynoothuniversity.ie/people/ciar-n-mac-bhaird


http://supportcentre.maths.nuim.ie/


--_000_DB7PR02MB469550F3258F11D97A7C56158CFD0DB7PR02MB4695eurp_
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Dear all,
    

    

    

    

    
This year's Huxley Lecture, planned for 26th March at Maynooth University, =
is now postponed.

    

    

    

    

    

    
Le meas,
    

    

    

    

    
Ciar=E1n
    

    

    

    

    

    

    

    

    

    

    Dr. Ciar=E1n Mac an Bhaird


    

    

    Assistant Professor and MSC =
Director
    


    

    

    Department of Mathematics an=
d Statistics
    


    

    

    Maynooth University
    


    

    

    https://ww=
w.maynoothuniversity.ie/people/ciar-n-mac-bhaird
    

    


    

    

    http://supportcentre.maths.nuim.i=
e/
    

    


    

    

    

    

    



--_000_DB7PR02MB469550F3258F11D97A7C56158CFD0DB7PR02MB4695eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Thu Mar 12 14:47:26 2020
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Reply-To:     Joost Slingerland 
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From:         Joost Slingerland 
Subject: maths: Cancellation of Tomorrow's Maynooth Theoretical Physics Seminar
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Dear All

Tomorrow's Maynooth Theoretical Physics seminar by Mark Neyrinck is now 
cancelled.

This is due to measures taken by the government earlier today to prevent 
further spreading of the Corona virus. (These include closure of the 
universities and avoidance of public gatherings).

We may have to cancel or postpone more seminars.
A seminar calendar can be found on the departmental webpages:
https://www.maynoothuniversity.ie/theoretical-physics/department-theoretical-physics-seminars


Best regards and keep safe,

Joost Slingerland

(for the original announcement of the canceled seminar please see my 
earlier message below).

---------- Forwarded message ----------
Date: Mon, 9 Mar 2020 17:09:44 +0000 (GMT)
From: Joost Slingerland 
To: mathdep listserv.heanet.ie
Subject: maths: Maynooth Theoretical Physics -- Mark Neyrinck -- Spinning a
     cosmic spiderweb

Dear All,

This Friday, March 13, there will be a Maynooth Theoretical Physics Seminar. 
Details follow below. All are most welcome to attend.

Speaker:Mark Neyrinck (University of the Basque Country, Bilbao)

Time:	Friday March 13, 2pm

Place: 	Hall D, Arts building, Maynooth University North Campus

Title:	Spinning a cosmic spiderweb

Abstract:
I will talk about some new insights about the cosmic web that have come from 
artistic and interdisciplinary projects, through origami, structural 
engineering, and neuroscience. Perhaps most interestingly, it seems that 
filaments of the cosmic web generally rotate about their axis.

----------------------------------------------------------------
Hope to see some of you there,

Best regards,

Joost Slingerland
Department of Theoretical Physics
Maynooth University

From owner-mathdep LISTSERV.HEANET.IE  Thu Mar 12 16:23:14 2020
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Date:         Thu, 12 Mar 2020 16:22:46 +0000
Reply-To:     Hermann Render 
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From:         Hermann Render 
Subject: maths: Cancellation: Tuesday, 24 March 2020 -- Colloquium Series of the UCD School of Mathematics and Statistics
Comments: To: school maths.ucd.ie, pg_research maths.ucd.ie
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--000000000000b4f29505a0aac330
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Dear All,

the colloquium talk (see below)  is cancelled  due to measures taken by the
government earlier today to prevent
further spreading of the Corona virus.

Best regards

Hermann Render





*UCD School of Mathematics and Statistics Colloquium Series *



*SPEAKER:   *Professor  Marco Martens

                      (State University of New York at Stony Brook, USA)



*TITLE:  *A field theory for smooth dynamics

*TIME *: Tuesday 24th  March  2020 ,  15.00=E2=80=9415.50

*LOCATION *:   Room  N1.25 North Science  (O'Brien Centre), UCD

--000000000000b4f29505a0aac330
Content-Type: text/html; charset="UTF-8"
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    Dear All,=
=C2=A0

    the colloquium =
talk (see below)=C2=A0 is cancelled=C2=A0=C2=A0due to measures taken by the government earlier =
today to prevent
    further spreading of the Corona virus.=C2=A0
    Best regards=C2=A0

    Hermann Render 



    


    =C2=A0
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0
    UCD School of
Mathematics and Statistics=C2=A0Colloquium Series=C2=A0
    


    =C2=
=A0=C2=A0 =C2=A0 =C2=A0=C2=A0
    


    SPEAKER:=C2=A0 =C2=A0<=
/span>Professor =C2=A0Marco Martens
    


    =C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0 (State University of New
York at Stony Brook, USA) =C2=A0
    


    =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0
    


    TITLE:=C2=
=A0 A
field theory for smooth dynamics
    


    TIME=C2=A0:=C2=A0Tuesday 24th=C2=A0 March=C2=A0 20=
20 ,=C2=A0
15.00=E2=80=9415.50 =C2=A0
    


    LOCATION=C2=A0<=
/b>:=C2=A0=C2=A0=C2=A0Room=C2=A0 N1.25 North Science =C2=A0(O'Brien Cen=
tre), UCD=C2=A0
    


    =C2=A0
    


    =C2=A0=C2=A0=C2=A0
    

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Message-ID:  
Date:         Fri, 13 Mar 2020 11:44:57 +0000
Reply-To:     "Romina.Gaburro" 
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From:         "Romina.Gaburro" 
Subject: Maths: The Inaugural International Day of Mathematics March 14
To:           MATHDEP LISTSERV.HEANET.IE
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Dear All,

please see below the message from Marie-Francoise Roy regarding the Inaugur=
al International Day of Mathematics and its live global launch taking place=
 tomorrow, the 14th of March.

Best wishes,
Romina


________________________________
From: marie-francoise.roy univ-rennes1.fr 
Sent: Friday 13 March 2020 10:47
Subject: The Inaugural International Day of Mathematics March 14


Dear CWM ambassadors,

As you know, the 40th General Conference of UNESCO approved the proclamatio=
n of March 14 as the
International Day of Mathematics (IDM), a project initiated and led by IMU.=
 The support of CWM and of several organizations
for women in mathematics over the world  played a significant role in this =
success.

Virtual launch of the IDM
The UNESCO international official launch planned for Friday, March 13, 2020=
 has been cancelled because of
the COVID-19 epidemic. For the same reason, the Next Einstein Forum 2020 (M=
arch 10-13, 2020) in Nairobi, Kenya,
that included the African official launch of the IDM, was postponed. As a c=
onsequence, a special
Live Global Launch webpage will a=
ccompany all events worldwide on March 14, starting 00:00 New Zealand time.
It will show the new collaborative video, Mathematics is Everywhere, create=
d by the international IDM community.
Throughout the day, it will also post special announcements, videos, photos=
 and reports from the celebrations
taking place in more than 100 different countries.

You are hereby invited to send these to info idm314.org (preferably no more than 1-3 photos in high resolution).
Press releases produced for the launch in different languages will be acces=
sible via the webpage

IMU is happy to report that more than 1000 celebrations around the world as=
 expected in 2020 and  wishes all mathematicians
very successful  celebrations in their country. The IDM is there to grow in=
 the coming years, and IMU hopes to reach out to more people
and schools already in 2021.

The participation of girls and women in the events is crucial, let us make =
visible the presence of women in mathematics !

Happy celebration

Marie-Francoise Roy, CWM chair
https://www.mathunion.org/cwm




--_000_DB8PR03MB6091141A0C0349804B9E6BF087FA0DB8PR03MB6091eurp_
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Dear All,
    

    

    

    

    
please see below the message from Mari=
e-Francoise Roy regarding the Inaugural International Day of Ma=
thematics and its live global launch taking
 place tomorrow, the 14th of March. 
    

    

    

    

    
Best wishes,
    

    
Romina
    

    

    

    

    

    

    

    

    

    From: marie-francoise.roy u=
niv-rennes1.fr <marie-francoise.roy univ-rennes1.fr>
    
Sent: Friday 13 March 2020 10:47
    
Subject: The Inaugural International Day of Mathematics March 14

     
    

    


    

    


    
Dear CWM ambassadors,<=
/td>

    
    

    

     
    
As you know, the 40th General Conference of UNESCO approved the procla=
mation of March 14 as the 
    
International Day of Mathematics (IDM), a project initiated and led by IMU.=
 The support of CWM and of several organizations

    

    

    for women in mathematics over the worl=
d  played a significant role in this success.
    

    


    

    

    Virtual launch of the ID=
M
    
The UNESCO international official launch planned for Friday, March 13,=
 2020 has been cancelled because of 
    
the COVID-19 epidemic. For the same reason, the Next Einstein Forum 2020 (M=
arch 10-13, 2020) in Nairobi, Kenya, 
    
that included the African official launch of the IDM, was postponed. As a c=
onsequence, a special 
    
Live Global=
 Launch webpage will accompany all events worldwide on March 14, s=
tarting 00:00 New Zealand time. 
    
It will show the new collaborative video, Mathematics is=
 Everywhere, created by the international IDM community. 
    
Throughout the day, it will also post special announcem=
ents, videos, photos and reports from the celebrations 
    
taking place in more than 100 different countries. 
    

    
You are hereby invited to send these to info idm314.org (preferably no more than 1-3 photo=
s in high resolution). 
    
Press releases produced for the launch in different languages will be acces=
sible via the webpage
    
 
    
IMU is happy to report that more than 1000 celebrations around the world as=
 expected in 2020 and  wishes all mathematicians

    

    

    very successful  celebrations in =
their country. The IDM is there to grow in the coming years, and IMU hopes =
to reach out to more people 
    
and schools already in 2021.   
    
 
    

    The participation of girls and women i=
n the events is crucial, let us make visible the presence of women in mathe=
matics !
    

    


    

    

    Happy celebration
    


    

    

    Marie-Francoise Roy, CWM chair
    

    https://www.mathunion.org/cwm
    

    


    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    



--_000_DB8PR03MB6091141A0C0349804B9E6BF087FA0DB8PR03MB6091eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Fri Mar 13 17:44:47 2020
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With apologies for cross posting...

---------- Forwarded message ---------
  From: IMU Secretary 
Date: Fri, 13 Mar 2020 at 13:42
Subject: [IMU AO CL 10/2020] An important announcement regarding ICME-14

To: The Adhering Organizations of the International Mathematical Union
(IMU)

Dear colleagues,

For your information:

The International Commission on Mathematical Instruction (ICMI), a
commission of the IMU, has just released the following
announcement regarding its big congress ICME-14 [1]:

Announcement

Due to the global pandemic caused by the new coronavirus disease
(COVID-19), ICMI and ICME-14 have decided,
after careful discussion and consultation, to postpone ICME-14 by one
year until the Northern Hemisphere summer
of 2021.

The specific dates of postponed ICME-14 and the details related to the
conference organization, including information
for those already registered, will be announced as soon as possible.  We
will publish a “frequently asked questions”
fact sheet in the next weeks on the ICME14 and ICMI websites.

Whereas the one-year postponement of ICME-14 poses many challenges, we
believe this is the solution to ensure
the full-fledged and successful realization of this important
conference. We sincerely apologize to everyone for the
consequences of this unfortunate and dramatic development.

ICMI plans to hold its General Assembly sometime in September-October
2020 in order to hold its quadrennial meeting and
to elect the upcoming ICMI Executive Committee which will take office on
1 January 2021, so as to ensure a smooth transition
of authorities as stipulated in the statutes. Details about how the
meeting will be conducted (when and where) will follow in the
upcoming months, as the global situation will make the planning
feasible.

Please distribute this information in your country.
Thanks

Regards
Helge Holden

Prof. Helge Holden
Secretary General of the International Mathematical Union
https://www.mathunion.org [2]
Phone:+47-92038625

_______________________________________________
AO mathunion.org


Links:
------
[1] https://www.icme14.org
[2] http://www.mathunion.org
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Subject: maths: Applied Mathematics Seminar (UCC): Alessio Cardillo (19.03.2020, 12:00, via Jitsi)
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title:: Applied Mathematics Seminar (University College Cork)
content:: Alessio Cardillo (University College Cork) will speak on
:: A coevolutionary model combining game theory and synchronization: the ev=
olutionary Kuramoto dilemma
:: For an abstract and further information see:
:: https://www.ucc.ie/en/matsci/seminars/appliedmathematicsseminarstalks201=
9-2020/
date-time:: 19th March 2020 at 12:00pm
location:: Jitsi (no registration required): https://meet.jit.si/UCC-AMSemi=
nar
endevent::


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title:: Applied
 Mathematics Seminar (University College Cork)
    

    
    

--000000000000d56d3205be1aea32--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 22 09:05:47 2021
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Subject: maths: Irish Geometry Seminar, Tuesday, 23 March, 2pm GMT
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--------------31E40568C29AC55ECBD8DD11
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Dear all,

This week's talk in the Irish Geometry Seminar will take place at *2pm 
on Tuesday, 23 March*.

-----------------------------
_Speaker:_ Fernando Galaz-García
_
__Title:_ Geometry and topology of collapsed three-dimensional 
Alexandrov spaces_

__Abstract:_ In Riemannian geometry, collapse imposes strong geometric 
and topological restrictions on the spaces on which it occurs. In the 
case of Alexandrov spaces, which are metric generalizations of complete 
Riemannian manifolds with a uniform lower sectional curvature bound, 
collapse is fairly well understood in dimension three. In this talk, I 
will discuss the geometry and topology of three-dimensional Alexandrov 
spaces and focus on those which are sufficiently collapsed.  When such 
spaces are irreducible, they are modeled on one of the eight 
three-dimensional dimensional Thurston geometries, excluding the 
hyperbolic one. This extends a result of Shioya and Yamaguchi, 
originally formulated for Riemannian manifolds, to the Alexandrov 
setting. (Joint work with Luis Guijarro and Jesús Núñez-Zimbrón).

_Zoom details:_
Direct link: 
https://nuigalway-ie.zoom.us/j/95219875196?pwd=SDQ2YUJreGNKRjFQblZHYTVTTC90QT09

Meeting ID: 952 1987 5196
Passcode: 865492
-----------------------------

The full schedule of talks is available at 
http://www.maths.nuigalway.ie/~kerin/irishgeomseminar.shtml.

We're looking forward to you joining us.

All the best,
Martin


--------------31E40568C29AC55ECBD8DD11
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    Dear all,
    
    
    
    This week's talk in the Irish Geometry Seminar will take place at 2pm
      on Tuesday, 23 March.
    
    
    
    -----------------------------
    
    Speaker: Fernando Galaz-García
    
    
    
        Title: Geometry and topology of collapsed
    three-dimensional Alexandrov spaces
    
      
    
        Abstract: In Riemannian geometry, collapse imposes strong
    geometric and topological restrictions on the spaces on which it
    occurs. In the case of Alexandrov spaces, which are metric
    generalizations of complete Riemannian manifolds with a uniform
    lower sectional curvature bound, collapse is fairly well understood
    in dimension three. In this talk, I will discuss the geometry and
    topology of three-dimensional Alexandrov spaces and focus on those
    which are sufficiently collapsed.  When such spaces are irreducible,
    they are modeled on one of the eight three-dimensional dimensional
    Thurston geometries, excluding the hyperbolic one. This extends a
    result of Shioya and Yamaguchi, originally formulated for Riemannian
    manifolds, to the Alexandrov setting. (Joint work with Luis Guijarro
    and Jesús Núñez-Zimbrón).
    
    
    
    Zoom details:
    
    Direct link:
https://nuigalway-ie.zoom.us/j/95219875196?pwd=SDQ2YUJreGNKRjFQblZHYTVTTC90QT09
    
    
    
    Meeting ID: 952 1987 5196
    
    Passcode: 865492
    
    -----------------------------
    
    
    
    The full schedule of talks is available at
    http://www.maths.nuigalway.ie/~kerin/irishgeomseminar.shtml.
    
    
    
    We're looking forward to you joining us.
    
    
    
    All the best,
    
    Martin 
    
    
    
  


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Date:         Mon, 22 Mar 2021 09:10:57 +0000
Reply-To:     "Romina.Gaburro" 
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From:         "Romina.Gaburro" 
Subject: Maths: MACSI Zoom seminar, Friday, March 26th at 15.00.
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Dear All,



the next MACSI Zoom seminar at the Department of Mathematics and Statistics=
, University of Limerick will be given by Stuart Thomson (Brown University)=
 this Friday the 26th of March. Please find below the details of the semina=
r.



The Meeting ID will be emailed on Friday morning.



Date:  Friday, March 26, 2021 at 15.00.


Speaker: Dr. Stuart Thomson (School of Engineering, Brown University, USA).

Title: Active interfacial hydrodynamics.

Abstract: Classifying the emergent properties of many-body systems, both pa=
ssive and active, is a central theme in contemporary soft matter physics. I=
n this talk, we will explore the potential and utility of driven interfacia=
l hydrodynamic systems as tunable, accessible platforms for studying wave-m=
ediated, non-equilibrium particle dynamics at the macroscale. In the first =
part, I will discuss a new type of wave-driven, active oscillator, composed=
 of self-propelled millimetric droplets bouncing on the surface of a vertic=
ally vibrating bath of viscous fluid. For sufficiently large forcing, exper=
iments show that this hydrodynamic lattice exhibits collective vibrations i=
n the form of out-of-phase oscillations or solitary-like waves, depending o=
n the proximity of neighbouring droplets. By modelling the lattice as a mem=
ory-endowed system with spatially nonlocal coupling, I will rationalise the=
 different bifurcations in the system through a set of amplitude equations,=
 derivable from the droplets=92 governing equations of motion. In the secon=
d part, I will discuss a few vignettes from ongoing work aiming to extend w=
ell-established principles of capillary self-assembly into the non-equilibr=
ium regime, using supercritical Faraday waves as a driving mechanism.

This talk will contain elements of active matter, experimental fluid mechan=
ics, nonlinear waves, dynamical systems, and asymptotic analysis. In conclu=
sion, I will discuss several avenues of future research in each of these di=
rections.



Further Information: If you have any questions regarding this seminar, plea=
se direct them to Romina Gaburro (061 2131930, romina.gaburro ul.ie

) or Clifford Nolan (061 202766, clifford.nolan ul.ie).



---------------------------------------------------------------------------=
-

Supported by Science Foundation Ireland funding, MACSI - the Mathematics Ap=
plications Consortium for Science and Industry (www.macsi.ul.ie), centred at the University of Limerick, is dedicated to the =
mathematical modelling and solution of problems which arise in science, eng=
ineering and industry in Ireland.



Best wishes,

Romina Gaburro and Cliff Nolan





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Dear All, 
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    
 
    

    
the next MACSI Zoom seminar at the Department of Mathe=
matics and Statistics, University of Limerick will be given by Stuart Thoms=
on (Brown
 University) this Friday the 26th of March.&n=
bsp;Please find below
 the details of the seminar. 
    

    
 
    

    
The Meeting ID will
 be emailed on Friday morning.  
    

    
 
    

    
Date:  Friday,
 March 26, 2021 at 15.00.
    

    

    

    

    

    

    
Speaker: Dr. Stuart
 Thomson (School of Engineering, Brown University, USA).

    

    

    

    
Title=
:
 Active interfacial hydrodynamics.

    

    

    

    
Abstract: Classifying the eme=
rgent properties of many-body systems,
 both passive and active, is a central theme in contemporary soft matter ph=
ysics. In this talk, we will explore the potential and utility of driven in=
terfacial hydrodynamic systems as tunable, accessible platforms for studyin=
g wave-mediated, non-equilibrium
 particle dynamics at the macroscale. In the first part, I will discuss a new type of wave-driven, active osci=
llator, composed of self-propelled millimetric
 droplets bouncing on the surface of a vertically vibrating bath of viscous=
 fluid. For sufficiently large forcing, experiments show that this hydrodyn=
amic lattice exhibits collective vibrations in the form of out-of-phase osc=
illations or solitary-like waves,
 depending on the proximity of neighbouring droplets. By modelling the lattice as a memory-endowed s=
ystem with spatially nonlocal coupling, I
 will rationalise the different bifurcations in the system through a set of=
 amplitude equations, derivable from the droplets=92 governing equations of=
 motion. In the second part, I will discuss a few vignettes from ongoing wo=
rk aiming to extend well-established
 principles of capillary self-assembly into the non-equilibrium regime=
, using supercritical Faraday waves as a driving mechanism.

    

    

    
This talk will contain =
elements of active matter, experimental
 fluid mechanics, nonlinear waves, dynamical systems, and asymptotic analys=
is. In conclusion, I will discuss several avenues of future research in eac=
h of these directions.
    

    

    

    

    

    

    

    

    

    

    
Further Information: If =
you have any questions regarding this seminar,
 please direct them to Romina Gaburro (061 2131930, <=
span style=3D"margin:0px; font-family:Calibri,Helvetica,sans-serif; font-si=
ze:12pt; color:purple">romina.gaburro ul.ie
    
) or Clifford Nolan (061 202766, <=
/span>clifford.nolan ul.ie).
    

    

    
 
    

    

    

    


    


    

    
----------------------------------------------------------------=
------------
    

    
    		

    
    

    

    

    

    

    

    

    
Supported by Science Foundation Ireland fund=
ing, MACSI - the Mathematics Applications Consortium for Scienc=
e
 and Industry (www.macsi.ul.i=
e),
 centred at the University of Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.
    

    
&nb=
sp;
    

    
Bes=
t wishes,
    

    
Rom=
ina Gaburro and Cliff Nolan
    

    

    
 
    

    

    
 
    

    

    

    

    

    

    

    

    

    

    

    

    



--_000_AM6PR03MB38934374215A0883EDB79A1787659AM6PR03MB3893eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 22 09:36:23 2021
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Date:         Mon, 22 Mar 2021 09:36:05 +0000
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Subject: maths: TCD Mathematical Physics Journal Club TODAY 2PM
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Hello everyone,

The next mathematical physics journal club of this semester will be 
today at 2 p.m. It will be the third in a series of three based on 
integrability methods for scattering amplitudes.

Today: Monday 22nd March - Tristan McLoughlin will talk about octagons 
based on 2001.05460 

The next series on open quantum systems, given by Chiara and Marius, 
will be on the 12th April and 19th April.

The link is the same as before:

Topic: TCD Mathematical Physics Journal Club
Time: 2PM on Mondays

Join Zoom Meeting
https://tcd-ie.zoom.us/j/97898127908?pwd=Q0ozUmkwNHcvOUF4Z1JUVkJaeEc4QT09 


Meeting ID: 978 9812 7908
Passcode: 940621

Best

Guy Jehu


-------- Forwarded Message --------
Subject: 	maths: TCD Mathematical Physics Journal Club TODAY 2PM
Date: 	Mon, 15 Mar 2021 09:24:35 +0000
From: 	Guy Jehu 
To: 	MATHDEP LISTSERV.HEANET.IE



Hello everyone,

The second mathematical physics journal club of this semester will be 
today at 2 p.m. It will be the second in a series of three based on 
integrability methods for scattering amplitudes.

Today - Anne Spiering will talk about pentagon methods based on 
1303.1396  and 2009.11297 


Next week: Monday 22nd March - Tristan McLoughlin will talk about 
octagons based on 2001.05460 

The link is the same as before:

Topic: TCD Mathematical Physics Journal Club
Time: 2PM on Mondays

Join Zoom Meeting
https://tcd-ie.zoom.us/j/97898127908?pwd=Q0ozUmkwNHcvOUF4Z1JUVkJaeEc4QT09 


Meeting ID: 978 9812 7908
Passcode: 940621

Best

Guy Jehu

--------------B1341CA2681FED86C78296DB
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    Hello everyone,
    
    
    The next mathematical physics journal club of this semester will
      be today at 2 p.m. It will be the third in a series of three based
      on integrability methods for scattering amplitudes.
    
    
    Today: Monday 22nd March - Tristan McLoughlin will talk about
      octagons based on 2001.05460
    
    
    The next series on open quantum systems, given by Chiara and
      Marius, will be on the 12th April and 19th April.
    
    
    The link is the same as before: 
    
    
    
    
    Topic: TCD Mathematical Physics Journal Club
    
      Time: 2PM on Mondays
    
      
    
      Join Zoom Meeting
    
      https://tcd-ie.zoom.us/j/97898127908?pwd=Q0ozUmkwNHcvOUF4Z1JUVkJaeEc4QT09
    
      
    
      Meeting ID: 978 9812 7908
    
      Passcode: 940621
    
    
    
    
    Best
    
    Guy Jehu
    

    
      
    
      -------- Forwarded Message --------
      
    
        
          
    
            Subject:
            
            maths: TCD Mathematical Physics Journal Club TODAY 2PM
          
    
          
    
            Date: 
            Mon, 15 Mar 2021 09:24:35 +0000
          
    
          
    
            From: 
            Guy Jehu <jehu maths.tcd.ie>
          
    
          
    
            To: 
            MATHDEP LISTSERV.HEANET.IE
          
    
            
      
    
      
    
      
    
      
      
    Hello everyone,
    
      
    The second mathematical physics journal club of this semester
        will be today at 2 p.m. It will be the second in a series of
        three based on integrability methods for scattering amplitudes.
    
      
    Today - Anne Spiering will talk about pentagon methods based on
        1303.1396
        and 2009.11297
    
      
    Next week: Monday 22nd March - Tristan McLoughlin will talk
        about octagons based on 2001.05460
        
    
      
    
      
    The link is the same as before: 
    
      
    
      
    Topic: TCD Mathematical Physics Journal Club
    
        Time: 2PM on Mondays
    
        
    
        Join Zoom Meeting
    
        https://tcd-ie.zoom.us/j/97898127908?pwd=Q0ozUmkwNHcvOUF4Z1JUVkJaeEc4QT09
    
        
    
        Meeting ID: 978 9812 7908
    
        Passcode: 940621
    
      
    
      
    Best
    
      Guy Jehu 
    
  


--------------B1341CA2681FED86C78296DB--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 22 12:44:08 2021
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Date:         Mon, 22 Mar 2021 12:43:37 +0000
Reply-To:     Andrew Keane 
Sender:       UCD Maths Department Distribution List 
From:         Andrew Keane 
Subject: Applied Mathematics Seminar (UCC): Jessica Enright (25.03.2021, 12:00, via MS Teams)
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--------------535C79ED9856AF4503EDBF5D
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title:: Applied Mathematics Seminar (University College Cork)
content:: Jessica Enright (University of of Glasgow)will speak on
:: Graph modification problems to limit worst case outbreak sizes
:: For further information see:
::https://www.ucc.ie/en/matsci/events/appliedmathematicsseminarstalks2020-2021/
date-time:: 25th March 2021 at 12:00
location:: MS Teams: contact Andrew Keane (andrew.keane ucc.ie) for details
endevent::

--------------535C79ED9856AF4503EDBF5D
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    title:: Applied
        Mathematics Seminar (University College Cork)
    
    
      
    
        
    
          
    
            
    
              
    
                
    
                  
    
                    
    content:: Jessica Enright
                      (University of of Glasgow)
                        will speak on
    
                    
    :: Graph
                            modification problems to limit worst case
                            outbreak sizes
                        
    
                    
    :: For further information
                      see:
    
                    
                    
    date-time:: 25th March 2021
                      at 12:00
    
                    
    
                    
    location:: MS Teams: contact
                      Andrew Keane (andrew.keane ucc.ie)
                      for details
    
                    
    
                    endevent::
    
                
    
              
    
            
    
          
    
        
    
      
    
    
    
  


--------------535C79ED9856AF4503EDBF5D--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 22 20:06:23 2021
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Date:         Mon, 22 Mar 2021 22:05:57 +0200
Reply-To:     Natalia Kopteva 
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From:         Natalia Kopteva 
Subject: maths: INAF seminar, Thu 25-Mar, Gunar Matthies (TU Dresden)
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Thu 25 March 2021, 14:00 (Dublin)

Gunar Matthies (Technical University Dresden)

Local projection stabilisation

Originally proposed to stabilise equal-order discretisations of the Stokes problem, local projection stabilisation (LPS) has been applied successfully stabilise dominating convection in both convection-diffusion equations and incompressible flow problems.
The first part will consider convection-diffusion equations and discuss the role of a special interpolation operator that is used in the numerical analysis. We will give conditions that ensure its existence and present some example settings. Numerical results will illustrate the behaviour of local projection stabilsation.
The second part of the talk will present some results for Oseen problems where we consider both equal-order and inf-sup stable discretisations. We will give also some numerical results.

The seminar will be held online via ZOOM; more info, including a list of speakers and instructions for registering your name and email address, are given at the INAF website at https://staff.ul.ie/natalia/inaf

==============================
The following formats the above notice so as to be included in the mathdep google calendar

title:: Irish Numerical Analysis Forum seminar
content:: Gunar Matthies (TU Dresden)
:: Local projection stabilisation
date-time:: Thursday 25 March at 14:00
location:: ZOOM; register at https://staff.ul.ie/natalia/inaf
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 24 21:07:41 2021
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Subject: maths: Lectureship at MIC Thurles
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Dear All,

Mary Immaculate College wishes to appoint an Assistant Lecturer/Lecturer in=
 Mathematics on a permanent, full-time basis, commencing in Autumn 2021. Th=
e appointee will have specific duties in lecturing on post-primary teacher =
education programmes, including core mathematic modules on the B.A. in Educ=
ation programmes, within the School of Post-Primary Education, St Patrick=
=92s Campus, Thurles. The deadline for applications is 2pm on Tuesday 13th =
April. Full details can be found here: https://www.mic.ul.ie/about-mic/vaca=
ncies

Best,
Derek

Derek Kitson, PhD, FHEA, FIMA | Lecturer in Mathematics | Mary Immaculate C=
ollege, St. Patrick=92s Campus, Cathedral Street, Thurles, Co. Tipperary, I=
reland, E41 C424 | + 353 504 20392 | www.mic.ul.ie |



S=E9anadh R=EDomhphoist / Email Disclaimer https://www.mic.ul.ie/about-mic/=
college-services/ict-services?index=3D5

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Dear A=
ll,
    

    

    

    

    
Mary I=
mmaculate College wishes to appoint an Assistant Lecturer/Lecturer
 in Mathematics on a permanent, full-time basis, commencing =
in Autumn 2021.
The appointee will have specific duties in lecturing on post-prim=
ary teacher education programmes, including core mathematic modules on the =
B.A. in Education programmes, within
 the School of Post-Primary Education, St Patrick=92s Campus, Thurles. The deadline for applications is 2pm on Tuesday
 13th April. Full details can be found here:=
 https://www.m=
ic.ul.ie/about-mic/vacancies
    

    

    

    

    
Best,
    

    
Derek
    

    

    

    

    

    

    

    

    

    

    

    
D=
erek
 Kitson, PhD, FHEA, FIMA
| Lecturer in Mathematics | Mary Immaculate College, St. Patrick=92s=
 Campus, Cathedral Street, Thurles, Co. Tipperary, Ireland, E41 C424 | + 35=
3 504 20392 | www.mic.ul.ie |
    

    
 
    

    

    

    

    
S=E9anadh R=EDomhphoist / Email Disclaimer https://www.mic.ul.ie/about-mic/=
college-services/ict-services?index=3D5



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From owner-mathdep LISTSERV.HEANET.IE  Thu Mar 25 09:25:21 2021
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Date:         Thu, 25 Mar 2021 09:24:34 +0000
Reply-To:     Christopher Boyd 
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From:         Christopher Boyd 
Subject: maths: Analysis Seminar UCD (via Zoom) at 4.00pm on the 30th of March
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Speaker: S. Gardiner

Title:Further extension properties of harmonic functions which vanish
on a conical surface


	Date: Tue 30th March 2021

	Time: 4:00PM

	Location: Online
Join Zoom Meeting
https://ucd-ie.zoom.us/j/65961593339?pwd=VFpwbmwvazQrTlJyQzhmSVJVZmExZz09

 Abstract: In a previous seminar I presented an extension result
      for functions that are harmonic on an infinite cone and vanish on
      the boundary. This talk is complementary and self-contained. It
      deals with the extension of functions that are harmonic on the
      region between two coaxial conical surfaces with common vertex,
      and that vanish on one of these surfaces. A new phenomenon arises
      in this situation. (This is joint work with Hermann Render.)

title:: Further extension properties of harmonic functions which
vanish on a conical surface
content:: Stephen Gardiner
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis)
location:: Online
date-time:: Tue 30th March 2021 at 4:00PM

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    Speaker: S. Gardiner
    Title:Further extension prop=
erties of harmonic functions which vanish on a conical surface

=20
	Date: Tue 30th March 2021
=20
	Time: 4:00PM
=20
	Location: Online

    Join Zoom Meeting
    https://ucd-ie.zoom.us/j/65961593339?=
pwd=3DVFpwbmwvazQrTlJyQzhmSVJVZmExZz09

    =C2=A0Abstract: In a prev=
ious seminar I presented an extension result
      for functions that are harmonic on an infinite cone and vanish on
      the boundary. This talk is complementary and self-contained. It
      deals with the extension of functions that are harmonic on the
      region between two coaxial conical surfaces with common vertex,
      and that vanish on one of these surfaces. A new phenomenon arises
      in this situation. (This is joint work with Hermann Render.)

    t=
itle:: Further extension properties of harmonic functions which vanish on a=
 conical surface
content:: Stephen Gardiner=20
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis)=20
location:: Online
date-time:: Tue 30th March 2021 at 4:00PM  
    

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Subject: maths: Algebra and Number Theory seminar, Thu 1st Apr 2021
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UCD School of Mathematics and Statistics - Seminar Notice


	*Speaker:* Stefano Vigni (Genoa)

	*Title:* On Shafarevich=E2=80=93Tate groups and analytic ranks in Hida fam=
ilies


	*Date:* Thu 1st Apr 2021

	*Time:* 2:00PM

	*Location:* Online
*Abstract:* Shafarevich=E2=80=93Tate groups and analytic ranks (that is,
vanishing orders of L-functions) play a major role in the study of the
arithmetic of elliptic curves, abelian varieties, and more generally
higher (even) weight modular forms. In this talk, I will describe
results on the behaviour of these arithmetic invariants when the
modular forms they are attached to vary in a so-called Hida family. In
particular, our results provide some evidence for a conjecture of
Greenberg predicting that the analytic ranks of even weight modular
forms in a Hida family should be as small as allowed by the functional
equation, with at most finitely many exceptions.


*Zoom Link:* https://ucd-ie.zoom.us/j/5963025149

*Passcode:* The numerator of Riemann zeta at -11.

*Further information:* https://maths.ucd.ie/~kazim_b/UCD_ANT_Seminar.html

-------------------------------------------------------------
For other seminars in the Algebra and Number Theory series, see
http://maths.ucd.ie/seminarseries/Algebra

-------------------------------------------------------------
The following formats the above notice so as to be included in the
mathdep google calendar

title:: On Shafarevich=E2=80=93Tate groups and analytic ranks in Hida famil=
ies
content:: Stefano Vigni (Genoa)
:: UCD Algebra and Number Theory seminar
(http://maths.ucd.ie/seminarseries/Algebra)
location:: Online
date-time:: Thu 1st April 2021 at 2:00PM

--0000000000007351bc05be6c75d2
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


    UC=
D School of Mathematics and Statistics - Seminar Notice

=20
	Speaker: Stefano Vigni (Genoa)
=20
	Title: On Shafarevich=E2=80=93Tate groups and analytic ranks in Hid=
a families

=20
	Date: Thu 1st Apr 2021
=20
	Time: 2:00PM=20
=20
	Location: Online

Abstract: Shafarevich=E2=80=93Tate groups and analytic ranks (that i=
s, vanishing orders of L-functions) play a major role in the study of the a=
rithmetic of elliptic curves, abelian varieties, and more generally higher =
(even) weight modular forms. In this talk, I will describe results on the b=
ehaviour of these arithmetic invariants when the modular forms they are att=
ached to vary in a so-called Hida family. In particular, our results provid=
e some evidence for a conjecture of Greenberg predicting that the analytic =
ranks of even weight modular forms in a Hida family should be as small as a=
llowed by the functional equation, with at most finitely many exceptions.
    Zoom Link: https://ucd-ie.zoom.us/j/5963025149 
    Passcode: The numerator of Riemann zeta at -11.

    Furt=
her information: https://maths.ucd.ie/~kazim_b/UCD_ANT_Seminar.ht=
ml=20

-------------------------------------------------------------
For other seminars in the Algebra and Number Theory series, see http://maths.u=
cd.ie/seminarseries/Algebra

-------------------------------------------------------------
The following formats the above notice so as to be included in the mathdep =
google calendar

title:: On Shafarevich=E2=80=93Tate groups and analytic ranks in Hida famil=
ies
content:: Stefano Vigni (Genoa)
:: UCD Algebra and Number Theory seminar (http://maths.ucd.ie/seminarseries/Al=
gebra)=20
location:: Online
date-time:: Thu 1st April 2021 at 2:00PM  
    

--0000000000007351bc05be6c75d2--

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Message-ID:  
Date:         Fri, 26 Mar 2021 08:40:55 +0000
Reply-To:     "Romina.Gaburro" 
Sender:       UCD Maths Department Distribution List 
From:         "Romina.Gaburro" 
Subject: Maths: MACSI Zoom seminar, TODAY, March 26th at 15.00.
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Dear All,



the next MACSI Zoom seminar at the Department of Mathematics and Statistics=
, University of Limerick will be given by Stuart Thomson (Brown University)=
 TODAY, Friday the 26th of March. Please find below the details of the semi=
nar.



Join Zoom Meeting
https://zoom.us/j/93485412770?pwd=3DMENLUWZ1aGZHelNTS0dNYXFEQVR1QT09

Meeting ID: 934 8541 2770
Passcode: 923568



Date:  Friday, March 26, 2021 at 15.00.


Speaker: Dr. Stuart Thomson (School of Engineering, Brown University, USA).

Title: Active interfacial hydrodynamics.

Abstract: Classifying the emergent properties of many-body systems, both pa=
ssive and active, is a central theme in contemporary soft matter physics. I=
n this talk, we will explore the potential and utility of driven interfacia=
l hydrodynamic systems as tunable, accessible platforms for studying wave-m=
ediated, non-equilibrium particle dynamics at the macroscale. In the first =
part, I will discuss a new type of wave-driven, active oscillator, composed=
 of self-propelled millimetric droplets bouncing on the surface of a vertic=
ally vibrating bath of viscous fluid. For sufficiently large forcing, exper=
iments show that this hydrodynamic lattice exhibits collective vibrations i=
n the form of out-of-phase oscillations or solitary-like waves, depending o=
n the proximity of neighbouring droplets. By modelling the lattice as a mem=
ory-endowed system with spatially nonlocal coupling, I will rationalise the=
 different bifurcations in the system through a set of amplitude equations,=
 derivable from the droplets=92 governing equations of motion. In the secon=
d part, I will discuss a few vignettes from ongoing work aiming to extend w=
ell-established principles of capillary self-assembly into the non-equilibr=
ium regime, using supercritical Faraday waves as a driving mechanism.

This talk will contain elements of active matter, experimental fluid mechan=
ics, nonlinear waves, dynamical systems, and asymptotic analysis. In conclu=
sion, I will discuss several avenues of future research in each of these di=
rections.



Further Information: If you have any questions regarding this seminar, plea=
se direct them to Romina Gaburro (061 2131930, romina.gaburro ul.ie

) or Clifford Nolan (061 202766, clifford.nolan ul.ie).



---------------------------------------------------------------------------=
-

Supported by Science Foundation Ireland funding, MACSI - the Mathematics Ap=
plications Consortium for Science and Industry (www.macsi.ul.ie), centred at the University of Limerick, is dedicated to the =
mathematical modelling and solution of problems which arise in science, eng=
ineering and industry in Ireland.



Best wishes,

Romina Gaburro and Cliff Nolan





--_000_AM6PR03MB38934A38B346384F27239C3087619AM6PR03MB3893eurp_
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Dear All, 
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    
 
    

    
the next MACSI Zoom seminar at the Department of Mathe=
matics and Statistics, University of Limerick will be given by Stuart Thoms=
on (Brown
 University) TODAY, Friday the 26th of March. =
;Please find below
 the details of the seminar. 
    

    
 
    

    
https://zoom.us/j/93485412770?pwd=3DMENLUWZ1aGZHelNTS0dNYXFEQ=
VR1QT09
    

    
Meeting ID: 934 8541 2770
    
Passcode: 923568
    

    
 
    

    
Date:  Friday,
 March 26, 2021 at 15.00.
    

    

    

    

    

    
Speaker: Dr. Stuart
 Thomson (School of Engineering, Brown University, USA).

    

    

    

    
Title=
:
 Active interfacial hydrodynamics.

    

    

    

    
Abstract: Classifying the eme=
rgent properties of many-body systems,
 both passive and active, is a central theme in contemporary soft matter ph=
ysics. In this talk, we will explore the potential and utility of driven in=
terfacial hydrodynamic systems as tunable, accessible platforms for studyin=
g wave-mediated, non-equilibrium
 particle dynamics at the macroscale. In the first part, I will discuss a new type of wave-driven, active osci=
llator, composed of self-propelled millimetric
 droplets bouncing on the surface of a vertically vibrating bath of viscous=
 fluid. For sufficiently large forcing, experiments show that this hydrodyn=
amic lattice exhibits collective vibrations in the form of out-of-phase osc=
illations or solitary-like waves,
 depending on the proximity of neighbouring droplets. By modelling the lattice as a memory-endowed s=
ystem with spatially nonlocal coupling, I
 will rationalise the different bifurcations in the system through a set of=
 amplitude equations, derivable from the droplets=92 governing equations of=
 motion. In the second part, I will discuss a few vignettes from ongoing wo=
rk aiming to extend well-established
 principles of capillary self-assembly into the non-equilibrium regime=
, using supercritical Faraday waves as a driving mechanism.

    

    

    
This talk will contain =
elements of active matter, experimental
 fluid mechanics, nonlinear waves, dynamical systems, and asymptotic analys=
is. In conclusion, I will discuss several avenues of future research in eac=
h of these directions.
    

    

    

    

    

    

    

    

    

    

    
Further Information: If =
you have any questions regarding this seminar,
 please direct them to Romina Gaburro (061 2131930, <=
span style=3D"margin:0px; font-family:Calibri,Helvetica,sans-serif; font-si=
ze:12pt; color:purple">romina.gaburro ul.ie
    
) or Clifford Nolan (061 202766, <=
/span>clifford.nolan ul.ie).
    

    

    
 
    

    

    

    


    


    

    
----------------------------------------------------------------=
------------
    

    
    		

    
    

    

    

    

    

    

    

    
Supported by Science Foundation Ireland fund=
ing, MACSI - the Mathematics Applications Consortium for Scienc=
e
 and Industry (www.macsi.ul.i=
e),
 centred at the University of Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.
    

    
&nb=
sp;
    

    
Bes=
t wishes,
    

    
Rom=
ina Gaburro and Cliff Nolan
    

    

    
 
    

    

    
 
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    



--_000_AM6PR03MB38934A38B346384F27239C3087619AM6PR03MB3893eurp_--

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Date:         Fri, 26 Mar 2021 10:00:42 +0000
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Sender:       UCD Maths Department Distribution List 
From:         Martin Kerin 
Subject: maths: Irish Geometry Seminar, **Monday, 29 March, 3pm**
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Dear all,

The next talk in the Irish Geometry Seminar will take place at *3pm on 
Monday, 29 March*.  Please note the exceptional day and time for this 
talk, and that _/Daylight Savings Time/_ begins in Ireland, the rest of 
the EU and the UK this weekend.

-----------------------------
_Speaker:_ Joel Fine (Université Libre de Bruxelles)
_
__Title:_ Knots, minimal surfaces and J-holomorphic curves

_Abstract:_ The asymptotic Plateau problem is as follows: given a 
submanifold K in the n-sphere, is there a minimal submanifold in 
(n+1)-dimensional hyperbolic space whose ideal boundary is K? I will 
explain how solving this problem when K is a knot or link in the 
3-sphere leads to a knot invariant: the number of genus g minimal 
surfaces filling K depends on K only up to isotopy. This count of 
minimal surfaces is actually an example of a Gromov-Witten type 
invariant: minimal surfaces in H^4 lift to J-holomorphic curves in the 
twistor space. It is possible to combine these counts of minimal 
surfaces into a single polynomial invariant of the link. To finish, I 
will explain a conjecture, that this “minimal surface polynomial” is in 
fact the HOMFLYPT polynomial of the bounding link K. The HOMFLYPT 
polynomial is easy to calculate from a diagram of the link; the 
conjecture would then mean this simple combinatorial calculation gives 
existence results for minimal surfaces in H^4 filling K. This is joint 
work with Marcelo Alves.

_Zoom details:_
Direct link: 
https://nuigalway-ie.zoom.us/j/95219875196?pwd=V0RPZVAzREN6K2tzaS9pTkdoQVVYZz09

Meeting ID: 952 1987 5196
Passcode: 845497
-----------------------------

The full schedule of talks is available at 
http://www.maths.nuigalway.ie/~kerin/irishgeomseminar.shtml.

We're looking forward to you joining us.

All the best,
Martin
__

--------------3C079A1F0AF23BA2E9045A85
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    Dear all,
    
    
    
    The next talk in the Irish Geometry Seminar will take place at 3pm on Monday, 29 March.  Please
    note the exceptional day and time for this talk, and that Daylight
        Savings Time begins in Ireland, the rest of the EU and
    the UK this weekend.
    
    
    
    -----------------------------
    
    Speaker: Joel Fine (Université Libre de Bruxelles)
    
    
    
        Title: Knots, minimal surfaces and J-holomorphic curves
    
    
    
    Abstract: The asymptotic Plateau problem is as follows: given
    a submanifold K in the n-sphere, is there a minimal submanifold in
    (n+1)-dimensional hyperbolic space whose ideal boundary is K? I will
    explain how solving this problem when K is a knot or link in the
    3-sphere leads to a knot invariant: the number of genus g minimal
    surfaces filling K depends on K only up to isotopy. This count of
    minimal surfaces is actually an example of a Gromov-Witten type
    invariant: minimal surfaces in H^4 lift to J-holomorphic curves in
    the twistor space. It is possible to combine these counts of minimal
    surfaces into a single polynomial invariant of the link. To finish,
    I will explain a conjecture, that this “minimal surface polynomial”
    is in fact the HOMFLYPT polynomial of the bounding link K. The
    HOMFLYPT polynomial is easy to calculate from a diagram of the link;
    the conjecture would then mean this simple combinatorial calculation
    gives existence results for minimal surfaces in H^4 filling K. This
    is joint work with Marcelo Alves.
    
    
    
    Zoom details:
    
    Direct link:
https://nuigalway-ie.zoom.us/j/95219875196?pwd=V0RPZVAzREN6K2tzaS9pTkdoQVVYZz09
    
    
    
    Meeting ID: 952 1987 5196
    
    Passcode: 845497
    
    -----------------------------
    
    
    
    The full schedule of talks is available at http://www.maths.nuigalway.ie/~kerin/irishgeomseminar.shtml.
    
    
    
    We're looking forward to you joining us.
    
    
    
    All the best,
    
    Martin 
    
    
  


--------------3C079A1F0AF23BA2E9045A85--

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UCD School of Mathematics and Statistics - Seminar Notice=0D
=0D
 =0D
	Speaker: Alexander Gnedin (QMUL)=0D
 =0D
	Title: Self-similarity in the sequential selection problems=0D
=0D
 =0D
	Date: Wed 21st April 2021=0D
 =0D
	Time: 3:00PM=0D
 =0D
	Location: Online=0D
=0D
Abstract: Some poissonised combinatorial optimisation problems have a self-=
similarity feature, not available in their fixed-n counterparts. In this ta=
lk we shall review recent results on the sequential best-choice and increas=
ing subsequence problems, where using the self-similarity to reduce the sta=
te-space leads to very precise solutions.=0D
=0D
Zoom Link: =0D
https://ucd-ie.zoom.us/j/83491228915?pwd=3DWWV3ZkNGNzVXdGxLRlR0dkdMYUtMZz09=
 =0D
=0D
Meeting ID: 834 9122 8915 =0D
Passcode: 698437=0D
=0D
-------------------------------------------------------------=0D
For other seminars in the Probability series, see http://maths.ucd.ie/semin=
arseries/probability=0D
=0D
-------------------------------------------------------------=0D
The following formats the above notice so as to be included in the mathdep =
google calendar=0D
=0D
title:: Self-similarity in the sequential selection problems=0D
content:: Alexander Gnedin (QMUL) =0D
:: UCD Probability seminar (http://maths.ucd.ie/seminarseries/probability) =
=0D
location:: Online=0D
date-time:: Wed 21st April 2021 at 3:00PM=20=


----+--1616766638--+--
Content-Type: text/html; charset="utf-8"
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    UCD School of Mathematics and Statistics - Seminar Notice

    


    
 

    
	Speaker:  Alexander Gnedin (QMUL)

    
 

    
	Title: Self-similarity in the sequential selection problems

    


    
 

    
	Date: Wed 21st April 2021

    
 

    
	Time: 3:00PM

    
 

    
	Location: Online

    


    
Abstract: Some poissonised combinatorial optimisation problems have a self-similarity feature, not available in their fixed-n counterparts. In this talk we shall review recent results on the sequential best-choice and increasing subsequence problems, where using the self-similarity to reduce the state-space leads to very precise solutions.

    


    
Zoom Link: 

    
https://ucd-ie.zoom.us/j/83491228915?pwd=WWV3ZkNGNzVXdGxLRlR0dkdMYUtMZz09 

    


    
Meeting ID: 834 9122 8915 

    
Passcode: 698437

    


    
-------------------------------------------------------------

    
For other seminars in the Probability series, click http://maths.ucd.ie/seminarseries/probability

    


    
-------------------------------------------------------------

    
The following formats the above notice so as to be included in the mathdep google calendar

    


    
title:: Self-similarity in the sequential selection problems

    
content:: Alexander Gnedin (QMUL) 

    
:: UCD Probability seminar (http://maths.ucd.ie/seminarseries/probability) 

    
location:: Online

    
date-time:: Wed 21st April 2021 at 3:00PM 
    
----+--1616766638--+----

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Subject: Maths: MU Maths&Stats Colloquium
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Dear colleagues,

The next Mathematics and Statistics Colloquium for this academic year takes=
 place Wednesday 31st March at 4pm. The talks will be held virtually this s=
emester via Microsoft Teams. Details of the talk and a link to join the mee=
ting are given below. All are welcome.

Very best wishes,
Niamh

___________________________________________________________________________=
_____

Speaker: Guillem Cobos, IT Tralee

Title: The ultrahyperbolic equation after Fritz John

Click to join: Click here to join the meeting

Abstract: Fritz John showed in 1938 that the ultrahyperbolic equation arise=
s as the compatibility for functions on line space to come from line integr=
als of functions in Euclidean 3-space. The introduction of the canonical ne=
utral Kaehler metric on the space of oriented lines clarifies the relations=
hip and broadens the paradigm to allow new insights. In particular, conform=
al maps of the neutral metric are used to generate new solutions to the equ=
ation. The link with tomography is explained, and the possibility of image =
reconstruction from attenuation values along lines intersecting a fixed lin=
e in space is discussed.

___________________________________________________________________________=
___
Niamh Cahill, PhD
Lecturer/Assistant Professor
Maynooth University Department of Mathematics and Statistics









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    Dear colleagues,
    

     
    

    The next Mathematics and Statistics Colloquium for this=
 academic year takes place
Wednesday 31st
March at 4pm. The talks w=
ill be held virtually this semester via Microsoft Teams. Details of the tal=
k and a link to join the meeting are
 given below. All are welcome. 
    

     
    

    Very best wishes,

    

    Niamh

    

     
    

    __________________________________________________________________=
______________
    

     
    

    Speaker: Guillem Cobos, IT Tralee
    

     
    

    Title: The ultrahyperbolic equation after Fr=
itz John
    

     
    

    Click to join: Click
 here to join the meeting
    

     
    

    Abstract: Fritz John showed in 1938 that the=
 ultrahyperbolic equation arises as the compatibility for functions on line=
 space to come from line integrals of functions
 in Euclidean 3-space. The introduction of the canonical neutral Kaehler me=
tric on the space of oriented lines clarifies the relationship and broadens=
 the paradigm to allow new insights. In particular, conformal maps of the n=
eutral metric are used to generate
 new solutions to the equation. The link with tomography is explained, and =
the possibility of image reconstruction from attenuation values along lines=
 intersecting a fixed line in space is discussed.
    


    
_____________________________________________=
_________________________________
    

    

    Niamh Cahill, PhD
    

    Lecturer/Assistant Pr=
ofessor
    

    Maynooth University Department of Mathematics and =
Statistics
    


    

    

    

    

    

    

    

    

    

     
    

    



--_000_DB7PR02MB3977A7CE7412F67BC644B6318E619DB7PR02MB3977eurp_--

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Subject: maths: Dublin Theoretical Physics Colloquium, March 31
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DUBLIN THEORETICAL PHYSICS COLLOQUIUM

Wednesday, 31 March  2021, 16:00



Speaker: Robert Brandenberger (McGill)

Title: String Theory and Early Universe Cosmology




Abstract: Cosmology provides a unique window to

probe fundamental physics. If string theory is

the fundamental theory which unifies all forces

of nature at a quantum level, then local effective

field theory techniques will break down in the

very early universe. I will discuss a number of

arguments supporting this claim, including the

Swampland Conditions and the Trans-Planckian

Censorship Conjecture. In light of these

considerations, early universe scenarios alternative to inflation may be
more promising.





 All are welcome to join us online, see zoom details below.



Topic: Dublin Theoretical Physics Colloquium
Time: Mar 31, 2021 04:00 PM Dublin

Join Zoom Meeting
https://tcd-ie.zoom.us/j/95308429913?pwd=SE81eitsa0pxc2pOOFBHaWFSSGg0dz09

Meeting ID: 953 0842 9913
Passcode: 665319


=====================



title:: Dublin Theoretical Physics Colloquium

content:: Robert Brandenberger (McGill)

:: String Theory and Early Universe Cosmology

date-time:: 31 March 2021 at 16:00

location:: Online

endevent::

--000000000000dd3b3905bea7d68a
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable





    =


    <=
div dir=3D"ltr">
    =
DUBLIN THEORETICAL PHYSICS COLLOQUIUM
    Wednesday, 31 March =C2=A02021, 16:00
    =C2=A0
    Speaker: Robert Brandenberger (McGill)
    Ti=
tle:=C2=A0String Theory and Early Universe Cosmology


    <=
p class=3D"MsoNormal">=C2=A0
    Abstra=
ct:=C2=A0Cosmology provides a unique window to
    probe fundamental physics. If string theory is<=
/span>
    the fu=
ndamental theory which unifies all forces
    of nature at a quantum level, then loca=
l effective
    field theory techniques will break down in the
    very early universe. I will =
discuss a number of
    arguments supporting this claim, including the
    Swampland Conditions=
 and the Trans-Planckian
    Censorship Conjecture. In light of these
    considerations, early=
 universe scenarios alternative to inflation may be more promising.<=
/p>

    =C2=A0
    =C2=A0All are welcome t=
o join us online, see zoom details below.


    Topic: Dublin Th=
eoretical Physics Colloquium
    Time: Mar 31, 2021 04:00=
 PM Dublin

    Join Zoom Meeti=
ng

    Meeting ID: 953 0842 9913
    Passcode: 665319

    =

    =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D
    =C2=A0=

    title:: Dublin Theoretical Physics Colloq=
uium
    content::=C2=A0Robert Bran=
denberger (McGill)
    ::=C2=A0String Theory and Ea=
rly Universe Cosmology
    date-time:: 31 Marc=
h 2021 at 16:00
    location:: Online
    endevent::
    =C2=A0
    =C2=A0=

    

    

    

    

    

    

    

    

    

    

    

    

    

    content:: Alessio Cardillo (University College Cork) will speak on

    :: A coevolution=
ary model combining game theory and synchronization: the evolutionary Kuram=
oto dilemma
    

    :: For an abst=
ract and further information see:
    


    date-time:: 19th March 2020 at 12:00pm
    

    

    location:: Jitsi (no registration required): https://meet.jit.si/UCC-AMSemi=
nar
    

    
endevent::
    

    

    

    

    

    

    


    

    

    

    

    

    



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Date:         Wed, 18 Mar 2020 10:51:10 +0000
Reply-To:     Oliver Mason 
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From:         Oliver Mason 
Subject: MATHS: Maynooth Mathematics and Statistics Colloquia cancelled for remainder of semester
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Dear Colleagues,

In view of the emergency caused by the COVID-19 outbreak, all of our colloq=
uia for the remainder of this semester have been cancelled.

Take care and very best wishes,

Ollie.

--_000_DB7PR02MB4586FD14E934F08462C681DA9BF70DB7PR02MB4586eurp_
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Dear Colleagues,
    

    

    

    

    
In view of the emergency caused by the COVID-19 outbreak, all of our col=
loquia for the remainder of this semester have been cancelled. &nb=
sp;
    

    

    

    

    
Take care and very best wishes,
    

    

    

    

    
Ollie.
    



--_000_DB7PR02MB4586FD14E934F08462C681DA9BF70DB7PR02MB4586eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 25 11:47:49 2020
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Date:         Wed, 25 Mar 2020 11:46:54 +0000
Reply-To:     Seminars Maths NUIG 
Sender:       UCD Maths Department Distribution List 
From:         Seminars Maths NUIG 
Subject: Maths: (Online) seminar at NUIG (Thurs. March 26): Symmetric configurations of line segments
Comments: To: Michael Mc Gettrick 
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Dear All,

We will have a seminar Thursday (March 26) at 4pm online.


Coffee/tea/cakes/biscuits will be served online from 3:30.



(THE ONLINE LINKS WILL BE POSTED

SHORTLY IN ADVANCE OF THE SEMINAR)


James Cruickshank from NUI Galway



will speak on


"Symmetric configurations of line segments"



Abstract:

The intersection graph of a set of subsets of the plane is an object of
much interest in combinatorial geometry. For example, the circle packing
theorem theorem says that any finite plane simple graph can be realised as
the intersection graph of some collection of interior disjoint discs in the
plane. In this talk we consider collections of line segments that are
pairwise interior disjoint. In the early 1990s Thomassen has shown that
plane Laman graphs (definitions will be given) are precisely those that can
be realised as the intersection graph of such collections of line segments.
There have been several extensions and variations of this result since. I
will present an introduction to some of this theory and then discuss some
recent joint work with Bernd Schulze (Lancaster University) on symmetric
versions of Thomassen's result. This involves some interesting connections
with topological graph theory and with some matroids that arise naturally
in other areas of combinatorial geometry.



Hoping to see you all there,



Haixuan and Michael



Future seminars are listed at
http://www.nuigalway.ie/science/school-of-maths/seminars/

--00000000000066147405a1ac6dcb
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


    Dear All,<=
/p>
    We will have a seminar Thursday (March 2=
6) at 4pm online.

    Coffee/tea/=
cakes/biscuits will be served online from 3:30.
    =C2=A0
    (TH=
E ONLINE LINKS WILL BE POSTED=C2=A0
    SHORTLY=C2=A0IN ADVANCE OF THE SEMINAR)

    James Cruickshank=C2=A0from NUI Galway
    =C2=A0
    =
will speak on
    "Symmetric configurations of line segments"
    =

    =C2=A0
    Abstract:=C2=A0=C2=A0
    The intersection graph of a set of subsets of the plane is an object o=
f much interest in combinatorial geometry. For example, the circle packing =
theorem theorem says that any finite plane simple graph can be realised as =
the intersection graph of some collection of interior disjoint discs in the=
 plane.=C2=A0In this talk we consider collections of line segments=
 that are pairwise interior disjoint. In the early 1990s Thomassen has show=
n that plane Laman graphs (definitions will be given) are precisely those t=
hat can be realised as the intersection graph of such collections of line s=
egments. There have been several extensions and variations of this result s=
ince.=C2=A0I will present an introduction to some of this theory a=
nd then discuss some recent joint work with Bernd Schulze (Lancaster Univer=
sity) on symmetric versions of Thomassen's result. This involves some i=
nteresting connections with topological graph theory and with some matroids=
 that arise naturally in other areas of combinatorial geometry.=C2=A0
    =C2=A0
    Hoping to see you all there,
    <=
span style=3D"color:rgb(31,73,125);font-family:Calibri,sans-serif;font-size=
:11pt">=C2=A0
    Haixuan and Michael=

    =C2=A0
    Future seminars are listed at=C2=A0http://www=
.nuigalway.ie/science/school-of-maths/seminars/
    

--00000000000066147405a1ac6dcb--

From owner-mathdep LISTSERV.HEANET.IE  Thu Mar 26 10:02:53 2020
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Date:         Thu, 26 Mar 2020 10:01:59 +0000
Reply-To:     Seminars Maths NUIG 
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From:         Seminars Maths NUIG 
Subject: Maths: (Online) Seminar at NUI Galway: Symmetric configurations of line segments
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--00000000000007dbed05a1bf1489
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Dear All,

We will have an online seminar today (Thursday March 26) at 4pm.

https://eu.bbcollab.com/guest/2cd7473be5dd4c1ba9a65074daf3c7bc

Coffee/tea/cakes/biscuits will be served online from 3:30.

 https://eu.bbcollab.com/guest/2cd7473be5dd4c1ba9a65074daf3c7bc


James Cruickshank from NUI Galway



will speak on


"Symmetric configurations of line segments"



Abstract:

The intersection graph of a set of subsets of the plane is an object of
much interest in combinatorial geometry. For example, the circle packing
theorem theorem says that any finite plane simple graph can be realised as
the intersection graph of some collection of interior disjoint discs in the
plane. In this talk we consider collections of line segments that are
pairwise interior disjoint. In the early 1990s Thomassen has shown that
plane Laman graphs (definitions will be given) are precisely those that can
be realised as the intersection graph of such collections of line segments.
There have been several extensions and variations of this result since. I
will present an introduction to some of this theory and then discuss some
recent joint work with Bernd Schulze (Lancaster University) on symmetric
versions of Thomassen's result. This involves some interesting connections
with topological graph theory and with some matroids that arise naturally
in other areas of combinatorial geometry.



Hoping to see you all there,



Haixuan and Michael



Future seminars are listed at
http://www.nuigalway.ie/science/school-of-maths/seminars/

--00000000000007dbed05a1bf1489
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


    Dear All,<=
/p>
    We will have an online seminar today (Th=
ursday March 26) at 4pm.
    https://eu.bbcollab.com/guest/2cd7473be5dd4c1ba9a65074daf3c7bc<=
/a>
    Coffee/tea/cakes/biscuits will be served onl=
ine from 3:30.
    =C2=A0https://eu.bbcollab.com/guest/2cd7473be5dd4c1ba9a65074daf3c7bc=


    James Cruickshank=C2=A0from NUI Galway<=
/span>
    =C2=A0
    will speak on

    "Symmetric configurations of line segments&=
quot;
    =C2=A0
    Abstract:=C2=A0=C2=A0
    The intersection graph of a set of subsets of the plane is an =
object of much interest in combinatorial geometry. For example, the circle =
packing theorem theorem says that any finite plane simple graph can be real=
ised as the intersection graph of some collection of interior disjoint disc=
s in the plane.=C2=A0In this talk we consider collections of line =
segments that are pairwise interior disjoint. In the early 1990s Thomassen =
has shown that plane Laman graphs (definitions will be given) are precisely=
 those that can be realised as the intersection graph of such collections o=
f line segments. There have been several extensions and variations of this =
result since.=C2=A0I will present an introduction to some of this =
theory and then discuss some recent joint work with Bernd Schulze (Lancaste=
r University) on symmetric versions of Thomassen's result. This involve=
s some interesting connections with topological graph theory and with some =
matroids that arise naturally in other areas of combinatorial geometry.=C2=
=A0
    <=
/font>
    =C2=A0
    Hoping to see you all there,
    =C2=A0
    Haixuan a=
nd Michael
    =C2=A0
    Future seminars are listed at=C2=A0http://www.nuigalway.ie/science/school-of-maths/seminars/
    

--00000000000007dbed05a1bf1489--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 30 10:09:04 2020
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Date:         Mon, 30 Mar 2020 09:08:36 +0000
Reply-To:     "Rossmann, Tobias" 
Sender:       UCD Maths Department Distribution List 
From:         "Rossmann, Tobias" 
Subject: Maths: Postponed: Groups in Galway meets the Irish Geometry Conference
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Dear all,

Due to the ongoing crisis, the joint meeting of Groups in Galway and the Ir=
ish Geometry Conference which was scheduled to take place at NUI Galway thi=
s coming May has been postponed. We hope to be able to announce a new date =
over the summer.

For further information, please keep an eye on the conference web page: htt=
p://www.maths.nuigalway.ie/ggg20/.

Regards,
John Burns, Angela Carnevale, Martin Kerin, Tobias Rossmann


--_000_DB7PR01MB5014511539F5B88CBB1A18A092CB0DB7PR01MB5014eurp_
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Dear all,
    

    

    

    

    

    

    

    
Due to the ongoing crisis, the joint meeting of=
 Groups in Galway and the Irish Geometry Conference
 which was scheduled to take place at NUI Galway this coming May has been p=
ostponed. We hope to be able to ann=
ounce a new date over the summer.
    

    

    

    

    
For further information, please keep an eye on the conference web page:&nbs=
p;http://www.maths.nuigalway.ie/ggg2=
0/.
    

    

    

    

    

    
Regards,
    

    

    
John Burns, Angela Carnevale, Martin Kerin, Tobias Rossmann
    

    

    



--_000_DB7PR01MB5014511539F5B88CBB1A18A092CB0DB7PR01MB5014eurp_--

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Subject: maths: Applied Mathematics Seminar (UCC): Doireann O'Kiely (02.04.2020, 12:00, via Jitsi)
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title:: Applied Mathematics Seminar (University College Cork)
content:: Doireann O'Kiely (University of Limerick) will speak on
:: Moving out of plane: models for wrinkling and buckling
:: For an abstract and further information see:
:: https://www.ucc.ie/en/matsci/seminars/appliedmathematicsseminarstalks201=
9-2020/
date-time:: 2nd April 2020 at 12:00pm
location:: Jitsi (no registration required): https://meet.jit.si/UCC-AMSemi=
nar
endevent::


--_000_AM0PR02MB4164F8A622E59BBE28D0F5D9EACB0AM0PR02MB4164eurp_
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title:: Applied
 Mathematics Seminar (University College Cork)
    

    

    

    

    

    

    

    

    

    content:: Doireann O'Kiely (University of Limerick) will speak on
    

    :: Moving out of plane: models for wrinkling
 and buckling
    

    :: For an abst=
ract and further information see:
    


    date-time:: 2nd April 2020 at 12:00pm
    

    

    location:: Jitsi (no registration required): https://meet.jit.si/UCC-AMSemi=
nar
    

    
endevent::
    

    

    

    

    

    

    


    

    

    

    

    

    

    



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Subject: maths: Dublin Theoretical Physics Colloquium, March 3
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DUBLIN THEORETICAL PHYSICS COLLOQUIUM

Wednesday, 3 March  2021, 16:00



Speaker: Guilherme Pimentel (Amsterdam)

Title: Decoding and bootstrapping cosmological fluctuations




Abstract: I will review our current understanding of the initial conditions
of the universe, and describe what information is available from current
and future measurements of cosmological correlation functions. Then I will
describe a new method to compute and constrain the possible shapes of those
correlation functions, assuming they were generated during inflation. This
``cosmological bootstrap=E2=80=9D draws inspiration from the modern scatter=
ing
amplitudes program in flat space, as well as the conformal bootstrap of
phase transitions. After discussing primordial scalar fluctuations, I will
also explain how the consistent propagation of gravitational waves imposes
further constraints on the structure of spinning primordial correlators.






 All are welcome to join us online, see zoom details below.


Topic: Dublin Theoretical Physics Colloquium
Time: Mar 3, 2021 04:00 PM Dublin

Join Zoom Meeting
https://tcd-ie.zoom.us/j/94604765414?pwd=3DZHBOZnM1QWxGa0pHK3pnRy9xczl2UT09

Meeting ID: 946 0476 5414
Passcode: 773498



=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D



title:: Dublin Theoretical Physics Colloquium

content:: Guilherme Pimentel (Amsterdam)

:: Decoding and bootstrapping cosmological fluctuations

date-time:: 3 March 2021 at 16:00

location:: Online

endevent::

--00000000000091248805bc753da9
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    DUBLIN THEORETICAL PHYSICS C=
OLLOQUIUM
    Wednesday, 3 March =C2=A0=
2021, 16:00
    =C2=A0
    Speaker:=C2=A0Guilherme Pimentel (Amsterdam)
    Title=
:=C2=A0Decoding and bootstrapping cosmological fluctuations


    =C2=A0=

    Abstract:=C2=A0I will review our=
 current understanding of the initial conditions of the universe, and descr=
ibe what information is available from current and future measurements of c=
osmological correlation functions. Then I will describe a new method to com=
pute and constrain the possible shapes of those correlation functions, assu=
ming they were generated during inflation. This ``cosmological bootstrap=E2=
=80=9D draws inspiration from the modern scattering amplitudes program in f=
lat space, as well as the conformal bootstrap of phase transitions. After d=
iscussing primordial scalar fluctuations, I will also explain how the consi=
stent propagation of gravitational waves imposes further constraints on the=
 structure of spinning primordial correlators.



    =C2=A0
    =C2=A0All are welcome to join us online, see zoom details below.

    Topic: Dublin Th=
eoretical Physics Colloquium
    Time: Mar 3, 2021 04:00 PM Dublin

    Join Zoom Meeting

    Meeting ID: 946 0476 5414
    Pa=
sscode: 773498



    =3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
    =C2=A0
    title:: Dublin Theoretical=
 Physics Colloquium
    content::=C2=A0=
Guilherme Pimentel (Amsterdam)
    ::=C2=A0Decoding and bootstrapping cosmological =
fluctuations
    date-time:: 3 March 2021 at 1=
6:00
    location:: Online
    endevent::
    =C2=A0
    =C2=A0
    =

    

    

    

    

    

    

--00000000000091248805bc753da9--

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Message-ID:  
Date:         Mon, 1 Mar 2021 08:55:17 +0000
Reply-To:     "Romina.Gaburro" 
Sender:       UCD Maths Department Distribution List 
From:         "Romina.Gaburro" 
Subject: Maths: MACSI Zoom seminar, Friday, March 5th at 15.00.
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Dear All,



the next MACSI Zoom seminar at the Department of Mathematics and Statistics=
, University of Limerick will be given by Pengtao Yue  (Virginia Tech) this=
 Friday the 5th of March. Please find below the details of the seminar.



The Meeting ID will be emailed on Friday morning.



Date:  Friday, March 5, 2021 at 15.00.


Speaker: Prof. Pengtao Yue (Department of Mathematics, Virginia Tech, U.S.)



Title: Thermodynamically consistent phase-field modeling of contact-angle h=
ysteresis.


Abstract: In the phase-field description of moving contact line problems, t=
he two-phase system can be described by free energies, and the constitutive=
 relations can be derived based on the assumption of energy dissipation. In=
 practice, due to defects on the solid surface, the advancing and receding =
contact angles may differ, which is known as the contact angle hysteresis. =
We propose a novel boundary condition for contact-angle hysteresis by manip=
ulating the wall energy. Our method identifies pinning, advancing, and rece=
ding conditions automatically, without the explicit knowledge of contact-li=
ne velocity or contact angle. More importantly, the formulation satisfies a=
 dissipative energy law. The same idea can be easily extended to other nume=
rical methods, as long as a generalized Navier condition is used for contac=
t line motion. Numerical results on moving contact lines with contact angle=
 hysteresis, including drop sliding on an inclined wall and drop impact on =
a solid surface, will be presented.



Further Information: If you have any questions regarding this seminar, plea=
se direct them to Romina Gaburro (061 2131930, romina.gaburro ul.ie

) or Clifford Nolan (061 202766, clifford.nolan ul.ie).



---------------------------------------------------------------------------=
-

Supported by Science Foundation Ireland funding, MACSI - the Mathematics Ap=
plications Consortium for Science and Industry (www.macsi.ul.ie), centred at the University of Limerick, is dedicated to the =
mathematical modelling and solution of problems which arise in science, eng=
ineering and industry in Ireland.



Best wishes,

Romina Gaburro and Cliff Nolan





--_000_AM6PR03MB3893A405B153D4C2FC9254C4879A9AM6PR03MB3893eurp_
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Dear All, 
    

    

    

    

    

    

    

    

    

    

    

    

    

    
 
    

    
the next MACSI Zoom seminar at the Department of Mathe=
matics and Statistics, University of Limerick will be given by
Pengtao Yue  (Virginia
 Tech) this Friday the 5th of March.&n=
bsp;Please find below
 the details of the seminar. 
    

    
 
    

    
The Meeting ID will
 be emailed on Friday morning.  
    

    
 
    

    
Date:  Friday,
 March 5, 2021 at 15.00.
    

    

    

    

    
Speaker: Prof. =
Pengtao
 Yue (Department of Mathematics, <=
/span>Virginia
 Tech, U.S.)             
    

    

    

    

    

    

    

    

    

    

    


    
Title: Thermodynamical=
ly consistent phase-field modeling of
 contact-angle hysteresis.
    

    


    

    
Abstract: In the phase=
-field description of moving contact
 line problems, the two-phase system can be described by free energies, and=
 the constitutive relations can be derived based on the assumption of energ=
y dissipation. In practice, due to defects on the solid surface, the advanc=
ing and receding contact angles
 may differ, which is known as the contact angle hysteresis. We propose a n=
ovel boundary condition for contact-angle hysteresis by manipulating the wa=
ll energy. Our method identifies pinning, advancing, and receding condition=
s automatically, without the explicit
 knowledge of contact-line velocity or contact angle. More importantly, the=
 formulation satisfies a dissipative energy law. The same idea can be easil=
y extended to other numerical methods, as long as a generalized Navier cond=
ition is used for contact line motion.
 Numerical results on moving contact lines with contact angle hysteresis, i=
ncluding drop sliding on an inclined wall and drop impact on a solid surfac=
e, will be presented.
    

    

    

    

    

    

    

    

    

    

    

    
Further Information: If =
you have any questions regarding this seminar,
 please direct them to Romina Gaburro (061 2131930, <=
span style=3D"margin:0px; font-family:Calibri,Helvetica,sans-serif; font-si=
ze:12pt; color:purple">romina.gaburro ul.ie
    
) or Clifford Nolan (061 202766, <=
/span>clifford.nolan ul.ie).
    

    

    
 
    

    

    

    


    


    

    
----------------------------------------------------------------=
------------
    

    
    		

    
    

    

    

    

    

    

    

    
Supported by Science Foundation Ireland fund=
ing, MACSI - the Mathematics Applications Consortium for Scienc=
e
 and Industry (www.macsi.ul.i=
e),
 centred at the University of Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.
    

    
&nb=
sp;
    

    
Bes=
t wishes,
    

    
Rom=
ina Gaburro and Cliff Nolan
    

    

    
 
    

    

    
 
    

    

    

    

    

    

    

    

    

    



--_000_AM6PR03MB3893A405B153D4C2FC9254C4879A9AM6PR03MB3893eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar  1 09:35:02 2021
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Date:         Mon, 1 Mar 2021 09:34:33 +0000
Reply-To:     Martin Kerin 
Sender:       UCD Maths Department Distribution List 
From:         Martin Kerin 
Subject: maths: Irish Geometry Seminar, Tuesday, 2 March, 2pm GMT
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--------------551D907EB3235DB9AAFBAE45
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Dear all,

This week's talk in the Irish Geometry Seminar will take place at *2pm 
on Tuesday, 2 March*.

-------------------------------
_Speaker:_ Ben McKay (University College Cork)
___
__Title:_ Locally homogeneous complex analytic geometric structures
___
__Abstract:_ I will present a conjecture on the classification of 
holomorphic locally homogeneous geometric structures (modelled on 
complex flag varieties) on smooth projective varieties. I will give an 
outline of what we know so far.
___
__Zoom details:_ 
https://nuigalway-ie.zoom.us/j/95219875196?pwd=Y3lCeC9RNDVvOWttRmlTVmtqK1dzUT09

Meeting ID: 952 1987 5196
Passcode: 468952
-------------------------------

The full schedule of talks is available at 
http://www.maths.nuigalway.ie/~kerin/irishgeomseminar.shtml.

We're looking forward to you joining us.

All the best,
Martin

--------------551D907EB3235DB9AAFBAE45
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    Dear all,
    
    
    
    This week's talk in the Irish Geometry Seminar will take place at 2pm
      on Tuesday, 2 March.
    
    
    
    -------------------------------
    
    Speaker: Ben McKay (University College Cork)
    
    
    
        Title: Locally homogeneous complex analytic geometric
    structures
    
    
    
        Abstract: I will present a conjecture on the
    classification of holomorphic locally homogeneous geometric
    structures (modelled on complex flag varieties) on smooth projective
    varieties. I will give an outline of what we know so far.
    
    
    
        Zoom details:
https://nuigalway-ie.zoom.us/j/95219875196?pwd=Y3lCeC9RNDVvOWttRmlTVmtqK1dzUT09
    
    
    
    Meeting ID: 952 1987 5196
    
    Passcode: 468952
    
    -------------------------------
    
    
    
    The full schedule of talks is available at
    http://www.maths.nuigalway.ie/~kerin/irishgeomseminar.shtml.
    
    
    
    We're looking forward to you joining us.
    
    
    
    All the best,
    
    Martin 
    
  


--------------551D907EB3235DB9AAFBAE45--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar  1 10:58:20 2021
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Date:         Mon, 1 Mar 2021 10:57:25 +0000
Reply-To:     Seminars Maths NUIG 
Sender:       UCD Maths Department Distribution List 
From:         Seminars Maths NUIG 
Subject: Maths: Seminar this Thursday at NUIG: On Symmetry, Rigidity and Spectrum of Graph Realizationsand Polytopes
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Dear All,

We will have an online seminar this Thursday (March 4) at 4pm.

Join Zoom Meeting

https://nuigalway-ie.zoom.us/j/96256178155?pwd=3DQXIvRHNOVW9VU3R0dnRXR2E4cE=
tyQT09

Meeting ID: 962 5617 8155

Passcode: 125659



Coffee/tea/cakes/biscuits will be served online from 3:30.

https://nuigalway-ie.zoom.us/j/93500762481



Martin Winter

from TU Chemnitz

will speak on

=E2=80=9COn Symmetry, Rigidity and Spectrum of Graph Realizations and Polyt=
opes=E2=80=9D

Abstract:  A graph realization is an embedding of a graph into Euclidean
space, such as the skeleton of a polytope. We consider graph realizations
and polytopes with prescribed symmetries, and we aske whether they can be
continuously deformed without losing these symmetries, that is, whether
they are rigid or flexible under the given symmetry constraints. We
identify classes of symmetries for graphs and polytopes, so that any
realization of this symmetry is necessarily rigid. We thereby demonstrate
that spectral graph theory is a useful tool in studying the interplay
between symmetry and rigidity.



Contact: James Cruickshank



Hoping to see you all there,



Haixuan and Michael



Future seminars are listed at
http://www.nuigalway.ie/science-engineering/school-of-maths/seminars/school=
seminar/

--00000000000070d4e805bc777c3b
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Content-Transfer-Encoding: quoted-printable


    Dear All,
    


    We will have an online seminar this Thursday (March =
4) at
4pm.
    


    Join Zoom Meeting
    


    https://nuigalway-ie.zoom.us/j/96=
256178155?pwd=3DQXIvRHNOVW9VU3R0dnRXR2E4cEtyQT09
    


    Meeting ID: 962 5617 8155
    


    Passcode: 125659
    


    =C2=A0
    


    Coffee/tea/cakes/biscuits will be served online from=
 3:30.
    


    https://nuigalway-ie.zoom.us/j/93500762481
    


    =C2=A0
    


    Martin Winter
    


    from TU Chemnitz
    


    will speak on
    


    =E2=80=9COn Symmetry, Rigidity and Spectrum of Graph=
 Realizations
and Polytopes=E2=80=9D
    


    Abstract: =C2=A0A graph
realization is an embedding of a graph into Euclidean space, such as the
skeleton of a polytope. We consider graph realizations and polytopes with
prescribed symmetries, and we aske whether they can be continuously deforme=
d
without losing these symmetries, that is, whether they are rigid or flexibl=
e
under the given symmetry constraints. We identify classes of symmetries for
graphs and polytopes, so that any realization of this symmetry is necessari=
ly
rigid. We thereby demonstrate that spectral graph theory is a useful tool i=
n
studying the interplay between symmetry and rigidity.
    


    =C2=A0
    


    Contact: James Cruickshank
    


    =C2=A0
    


    Hoping to see you all there,
    


    =C2=A0
    


    Haixuan and Michael
    


    =C2=A0
    


    Future seminars are listed at h=
ttp://www.nuigalway.ie/science-engineering/school-of-maths/seminars/schools=
eminar/
    

--00000000000070d4e805bc777c3b--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar  1 14:01:40 2021
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Date:         Mon, 1 Mar 2021 14:01:19 +0000
Reply-To:     "Denjoe O'Connor" 
Sender:       UCD Maths Department Distribution List 
From:         "Denjoe O'Connor" 
Subject: maths: DIAS Zoominar Wed March 3rd at 14:30 speaker S. G. Rajeev
To:           MATHDEP LISTSERV.HEANET.IE
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Dear Colleagues,
                 please join us for our upcoming Theoretical Physics Seminar on 
Wednesday March 3rd by  S. G. Rajeev

Date: Wednesday 3rd March
Time: 14:30
https://zoom.us/j/417720461?pwd=dTdNdXBpU2EweU9mM3VNWEUyU01odz09
Meeting ID: 417 720 461
Password: 107981

                        S. G. Rajeev

                    University of Rochester

Title: Helicity leads to a Quantum Group in Classical Hydrodynamics

Abstract: Helicity is the integral of the dot product of velocity and 
vorticity. It is famous as a conserved quantity of three dimensional 
hydrodynamics, shown by Moffat to be the average linking number of fluid 
paths. It is also an invariant inner product (not positive) in  the Lie 
algebra of incompressible vector fields. I will show that there are two 
sub-Lie-algebras dual to each other under this inner product, which form 
a Manin triple. This shows that the the set of incompressible vector 
fields is a Lie bi-algebra or infinitesimal quantum group in the language 
of Drinfeld. When the fluid satisfies periodic boundary conditions, this 
Lie algebra also admits a central extension, making it an appealing 
generalization of the Virasoro algebra to three dimensions. 
http://arxiv.org/abs/2005.12125v1


Upcoming:
Venus Keus          Mar 10th
  ?                  Mar 17th
Andrea Cappelli     Mar 24th
Mithat Unsal        Mar 31st
Miguel Montero      Apr  7th
Katrin Wendland     Apr 14th
  ?                   Apr 21st
David Huse          Apr 28th

With best wishes,
Denjoe.

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar  2 11:15:29 2021
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Date:         Tue, 2 Mar 2021 11:15:02 +0000
Reply-To:     Thomas Huettemann 
Sender:       UCD Maths Department Distribution List 
From:         Thomas Huettemann 
Subject: maths: Seminar talk on Positive-definite functions, exponential sums and the greedy algorithm, 2021-03-05 at 2pm
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Dear All,

This week's talk in the Mathematical Sciences Research Centre seminar at
Queen's University Belfast will be on

Positive-definite functions, exponential sums and the greedy algorithm: a curious phenomenon

to take place Friday 2021-03-05 at 2pm online (Teams). Please contact
the seminar organiser Florian Pausinger  if you'd
like to join.

     Thomas

==================================

For a list of upcoming talks in this series, plese visit:

http://web.am.qub.ac.uk/wp/msrc/msrc-home-page/research/upcoming-colloquia/

==================================

Title: Positive-definite functions, exponential sums and the greedy algorithm: a curious phenomenon

Speaker: Louis Brown (Yale University)

Abstract: We describe a curious dynamical system that results in
sequences of real numbers in [0,1] with seemingly remarkable
properties. We define the n-th element of the sequence as a minimum of
an energy function defined on the first n-1 elements. We explore the
properties of such a greedy algorithm and state several open problems
and conjectures.

==================================

title:: Positive-definite functions, exponential sums and the greedy algorithm: a curious phenomenon
content:: A seminar talk at the Mathematical Sciences Research Centre
:: of Queen's University Belfast.
:: Speaker: Louis Brown (Yale University)

date-time:: 5th March 2021 at 14:00
location:: online (Teams)
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Fri Mar  5 08:28:54 2021
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Reply-To:     Miguel Bustamante 
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From:         Miguel Bustamante 
Subject: maths: Job Announcement: Assistant Professor in Applied and Computational Maths, University College Dublin (Temporary Position, 3 years)
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--000000000000472a8805bcc5dec8
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Dear Colleagues,

---------------------------------------------------------------------------=
---------------------
Lecturer/Assistant Professor in Applied and Computational Mathematics
UCD School of Mathematics and Statistics
Temporary three-year post =E2=80=93 Commencing 1 September 2021
---------------------------------------------------------------------------=
---------------------
University College Dublin is seeking to appoint a Lecturer in Applied and
Computational Mathematics in the School of Mathematics and Statistics.

UCD School of Mathematics and Statistics is committed to research and
teaching across the mathematical sciences, including mathematics, applied
mathematics, computational mathematics, statistics and actuarial science.

The successful candidate will be expected to engage in research in Applied
and Computational Mathematics, including supervision of research students
and projects. The successful candidate will also be expected to contribute
to the School=E2=80=99s undergraduate degree in Applied and Computational
Mathematics and to an MSc in Data and Computational Science, delivering
courses in areas such as fluid mechanics and modern applications of
mathematics.

The closing date for applications is on 29 March 2021, at 17:00hrs (local
Irish time).

For further details see:  https://www.ucd.ie/workatucd/jobs/
(Reference Number: 013063)


--------------------------------------------------------
Miguel D Bustamante
Associate Professor
Head of Subject
Applied and Computational Mathematics
School of Mathematics and Statistics
University College Dublin
Belfield, Dublin 4
IRELAND
- - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Tel. :  +353  1 716 2236
miguel.bustamante ucd.ie
http://maths.ucd.ie/~miguel/
--------------------------------------------------------

--000000000000472a8805bcc5dec8
Content-Type: text/html; charset="UTF-8"
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    Dear Colleagues,

    -------------------------------------------=
-----------------------------------------------------
    Lecturer/Assistant Professor in Applied and Computational =
Mathematics
    UCD School of Mathematics and Statistics
    Temporary three-=
year post =E2=80=93 Commencing 1 September 2021
    --------------------=
---------------------------------------------------------------------------=
-
    University College Dublin is seeking to appoi=
nt a Lecturer in Applied and Computational Mathematics in the School of Mat=
hematics and Statistics. 

    UCD School of Mathematics and S=
tatistics is committed to research and teaching across the mathematical sci=
ences, including mathematics, applied mathematics, computational mathematic=
s, statistics and actuarial science.

    The successful candi=
date will be expected to engage in research in Applied and Computational Ma=
thematics, including supervision of research students and projects. The suc=
cessful candidate will also be expected to contribute to the School=E2=80=
=99s undergraduate degree in Applied and Computational Mathematics and to a=
n MSc in Data and Computational Science, delivering courses in areas such a=
s fluid mechanics and modern applications of mathematics.

    The closin=
g date for applications is on 29 March 2021, at 17:00hrs (local Irish time)=
.

    For further details see: =C2=A0https://www.ucd.ie/workatucd/jobs/
    (Re=
ference Number: 013063)
    =



    -=
-------------------------------------------------------
    Miguel D Bustama=
nte
    Associate Professor=C2=A0
    Head of Subject
    Applied and Computational Mathematics
    School of Mathematics and Statistics
    University College Dublin
    Belfi=
eld, Dublin 4
    IRELAND
    - - - - - - - - - - - - - - - - - - - - - - - -=
 - - - - -
    Tel. : =C2=A0+353 =C2=A01 716 2236
    miguel.bustamante ucd.ie
    http://maths.ucd.ie/=
~miguel/
    ----------------------------------------------------=
----
    <=
/div>

--000000000000472a8805bcc5dec8--

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Date:         Fri, 5 Mar 2021 08:45:36 +0000
Reply-To:     "Romina.Gaburro" 
Sender:       UCD Maths Department Distribution List 
From:         "Romina.Gaburro" 
Subject: Maths: MACSI Zoom seminar, TODAY, March 5th at 15.00.
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Dear All,



the next MACSI Zoom seminar at the Department of Mathematics and Statistics=
, University of Limerick will be given by Pengtao Yue (Virginia Tech) TODAY=
, Friday the 5th of March. Please find below the details of the seminar.



Join Zoom Meeting
https://zoom.us/j/92464358958?pwd=3DUW95WW91MDZXRDU0KzRwWklvbFc2QT09

Meeting ID: 924 6435 8958
Passcode: 862090



Date:  Friday, March 5, 2021 at 15.00.


Speaker: Prof. Pengtao Yue (Department of Mathematics, Virginia Tech, U.S.)


Title: Thermodynamically consistent phase-field modeling of contact-angle h=
ysteresis.


Abstract: In the phase-field description of moving contact line problems, t=
he two-phase system can be described by free energies, and the constitutive=
 relations can be derived based on the assumption of energy dissipation. In=
 practice, due to defects on the solid surface, the advancing and receding =
contact angles may differ, which is known as the contact angle hysteresis. =
We propose a novel boundary condition for contact-angle hysteresis by manip=
ulating the wall energy. Our method identifies pinning, advancing, and rece=
ding conditions automatically, without the explicit knowledge of contact-li=
ne velocity or contact angle. More importantly, the formulation satisfies a=
 dissipative energy law. The same idea can be easily extended to other nume=
rical methods, as long as a generalized Navier condition is used for contac=
t line motion. Numerical results on moving contact lines with contact angle=
 hysteresis, including drop sliding on an inclined wall and drop impact on =
a solid surface, will be presented.



Further Information: If you have any questions regarding this seminar, plea=
se direct them to Romina Gaburro (061 2131930, romina.gaburro ul.ie

) or Clifford Nolan (061 202766, clifford.nolan ul.ie).



---------------------------------------------------------------------------=
-

Supported by Science Foundation Ireland funding, MACSI - the Mathematics Ap=
plications Consortium for Science and Industry (www.macsi.ul.ie), centred at the University of Limerick, is dedicated to the =
mathematical modelling and solution of problems which arise in science, eng=
ineering and industry in Ireland.



Best wishes,

Romina Gaburro and Cliff Nolan





--_000_AM6PR03MB3893F8C9F716346A5C2DA57187969AM6PR03MB3893eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable








    
Dear All, 
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    
 
    

    
the next MACSI Zoom seminar at the Department of Mathe=
matics and Statistics, University of Limerick will be given by
Pengtao Yue <=
/span>(Virginia
 Tech) TODAY, Friday the 5th of March. =
;Please find below
 the details of the seminar. 
    

    
 
    

    
Join Zoom Meeting
    
https://zoom.us/j/92464358958?pwd=3DUW95WW91MDZ=
XRDU0KzRwWklvbFc2QT09
    

    
Meeting ID: 924 6435 8958
    
Passcode: 862090     
    

    
 
    

    
Date:  Friday,
 March 5, 2021 at 15.00.
    

    

    

    

    
Speaker: Prof. =
Pengtao
 Yue (Department of Mathematics, <=
/span>Virginia
 Tech, U.S.)             
    

    

    

    

    
Title: Thermodynamical=
ly consistent phase-field modeling of
 contact-angle hysteresis.
    

    

    


    

    
Abstract: In the phase=
-field description of moving contact
 line problems, the two-phase system can be described by free energies, and=
 the constitutive relations can be derived based on the assumption of energ=
y dissipation. In practice, due to defects on the solid surface, the advanc=
ing and receding contact angles
 may differ, which is known as the contact angle hysteresis. We propose a n=
ovel boundary condition for contact-angle hysteresis by manipulating the wa=
ll energy. Our method identifies pinning, advancing, and receding condition=
s automatically, without the explicit
 knowledge of contact-line velocity or contact angle. More importantly, the=
 formulation satisfies a dissipative energy law. The same idea can be easil=
y extended to other numerical methods, as long as a generalized Navier cond=
ition is used for contact line motion.
 Numerical results on moving contact lines with contact angle hysteresis, i=
ncluding drop sliding on an inclined wall and drop impact on a solid surfac=
e, will be presented.
    

    

    

    

    

    

    

    

    

    

    

    
Further Information: If =
you have any questions regarding this seminar,
 please direct them to Romina Gaburro (061 2131930, <=
span style=3D"margin:0px; font-family:Calibri,Helvetica,sans-serif; font-si=
ze:12pt; color:purple">romina.gaburro ul.ie
    
) or Clifford Nolan (061 202766, <=
/span>clifford.nolan ul.ie).
    

    

    
 
    

    

    

    


    


    

    
----------------------------------------------------------------=
------------
    

    
    		

    
    

    

    

    

    

    

    

    
Supported by Science Foundation Ireland fund=
ing, MACSI - the Mathematics Applications Consortium for Scienc=
e
 and Industry (www.macsi.ul.i=
e),
 centred at the University of Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.
    

    
&nb=
sp;
    

    
Bes=
t wishes,
    

    
Rom=
ina Gaburro and Cliff Nolan
    

    

    
 
    

    

    
 
    

    

    

    

    

    

    

    

    

    

    

    



--_000_AM6PR03MB3893F8C9F716346A5C2DA57187969AM6PR03MB3893eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Fri Mar  5 11:01:01 2021
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Date:         Fri, 5 Mar 2021 11:00:07 +0000
Reply-To:     Guy 
Sender:       UCD Maths Department Distribution List 
From:         Guy 
Subject: maths: TCD Mathematical Physics Journal Club Monday   2 p.m.
To:           MATHDEP LISTSERV.HEANET.IE
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--------------8EEAA6AF844BFF3928D2EA89
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Hello everyone,

The first mathematical physics journal club of this semester will be on 
Monday at 2 p.m. It will be the first in a series of three based on 
integrability methods for scattering amplitudes.

Monday 8th March - Guy Jehu will talk about Wilson Loop/Amplitude 
duality (partially based on 0807.1889) 

Monday 15th March - Anne Spiering will talk about pentagon methods based 
on 1303.1396  and 2009.11297 


Monday 22nd March - Tristan McLoughlin will talk about octagons based on 
2001.05460 

The link is the same as before:

Topic: TCD Mathematical Physics Journal Club
Time: 2PM on Mondays

Join Zoom Meeting
https://tcd-ie.zoom.us/j/97898127908?pwd=Q0ozUmkwNHcvOUF4Z1JUVkJaeEc4QT09 


Meeting ID: 978 9812 7908
Passcode: 940621

Best

Guy Jehu


--------------8EEAA6AF844BFF3928D2EA89
Content-Type: text/html; charset=utf-8
Content-Transfer-Encoding: 7bit


  

    
  
  
    
    Hello everyone,
    
    
    The first mathematical physics journal club of this semester will
      be on Monday at 2 p.m. It will be the first in a series of three
      based on integrability methods for scattering amplitudes.
    
    
    Monday 8th March - Guy Jehu will talk about Wilson Loop/Amplitude
      duality (partially based on 0807.1889)
    
    
    Monday 15th March - Anne Spiering will talk about pentagon
      methods based on 1303.1396 and 2009.11297
    
    
    Monday 22nd March - Tristan McLoughlin will talk about octagons
      based on 2001.05460 
    
    
    
    
    The link is the same as before: 
    
    
    
    
    Topic: TCD Mathematical Physics Journal Club
    
      Time: 2PM on Mondays
    
      
    
      Join Zoom Meeting
    
      https://tcd-ie.zoom.us/j/97898127908?pwd=Q0ozUmkwNHcvOUF4Z1JUVkJaeEc4QT09
    
      
    
      Meeting ID: 978 9812 7908
    
      Passcode: 940621
    
    
    
    
    Best
    
    
    Guy Jehu
    
    
    
  


--------------8EEAA6AF844BFF3928D2EA89--

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Message-ID:  
Date:         Fri, 5 Mar 2021 12:03:27 +0000
Reply-To:     Niamh Cahill 
Sender:       UCD Maths Department Distribution List 
From:         Niamh Cahill 
Subject: Maths: MU Maths&Stats Colloquium
Comments: To: MathsStatsStaff
          ,
          Theoretical Physics ,
          mathsstatspgresearch
          
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Dear colleagues,

The next Mathematics and Statistics Colloquium for this academic year takes=
 place Wednesday 10th March at 4pm. The talks will be held virtually this s=
emester via Microsoft Teams. Details of the talk and a link to join the mee=
ting are given below. All are welcome.

Very best wishes,
Niamh

___________________________________________________________________________=
_____

Speaker: Dr John S. Butler, Technological University Dublin

Title: How I learned to Stop Worrying and Love the Null Result: Similaritie=
s in Sensory Responses in People with Autism and Neurotypicals

Click to Join: Click here to join the meeting

Abstract:

I will discuss the application of statistical and analysis methods to inves=
tigate an on-going debate whether children with Autism spectrum disorder (A=
SD) have unreliable sensory processing. The general notion is that signal a=
veraging procedures typically used in neurophysiological and neuroimaging s=
tudies obscure the fact that there are ongoing and presumably relatively dr=
amatic fluctuations in responsiveness to individual events. If this is corr=
ect a number of straightforward predictions can be made about the evoked br=
ain signals; 1) the averaged evoked response should be broader and have a d=
elayed peak for all components; 2) people with ASD should have a greater va=
riability of phase dispersion across single trials.

Here, we examined this thesis in a matched cohort of typically developing c=
hildren and children with ASD, using high-density EEG recordings of visual =
and somatosensory evoked responses. We first used classical statistical met=
hods and Bayes Factors to investigate differences or similarities of the gr=
oups=92 evoked responses [1]. We then processed the single trials to look a=
t amplitude or phase differences at different frequencies.

Finally, we simulated an unreliable evoked response by introducing temporal=
 and amplitude variability at a single trial level. This simulated data was=
 then compared with the observed TD and ASD data and illustrated the predic=
tions of the unreliable evoked response and the sensitivity of the measures=
 and data to small perturbations.

Our data show highly similar reliability in the neural responses to visual =
and somatosensory stimuli in our matched groups, while the simulated data s=
how differences predicted by the unreliability thesis. These results allowe=
d us to embrace the null and argue against a straightforward unreliability =
hypothesis and instead favors an argument taking into account subtleties an=
d specializations that are present in a complex disorder such as autism.

If there is time, I will talk about my more recent work in embracing the nu=
ll [2] and some of my ongoing work simulating neuronal responses [3].

References

[1] John S. Butler, Sophie Molholm, Gizely N. Andrade, John J. Foxe, An Exa=
mination of the Neural Unreliability Thesis of Autism, Cerebral Cortex, Vol=
ume 27, Issue 1, January 2017, Pages 185=96200, https://doi.org/10.1093/cer=
cor/bhw375

[2] Fearon, C., Butler, J.S., Waechter, S.M. et al. Neurophysiological corr=
elates of dual tasking in people with Parkinson=92s disease and freezing of=
 gait. Exp Brain Res 239, 175=96187 (2021). https://doi.org/10.1007/s00221-=
020-05968-8

[3] Website: https://johnsbutler.netlify.app

___________________________________________________________________________=
___
Niamh Cahill, PhD
Lecturer/Assistant Professor
Maynooth University Department of Mathematics and Statistics







--_000_DB7PR02MB39776C152C1F9F9FCC98571A8E969DB7PR02MB3977eurp_
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    Dear colleagues,
    

     
    

    The next Mathematics and Statistics Colloquium for this=
 academic year takes place
Wednesday 10th
March at 4pm. The talks w=
ill be held virtually this semester via Microsoft Teams. Details of the tal=
k and a link to join the meeting are
 given below. All are welcome. 
    

     
    

    Very best wishes,

    

    Niamh

    

     
    

    __________________________________________________________________=
______________
    

     
    

    Speaker: Dr John S. Butler, Technological Un=
iversity Dublin
    

     
    

    Title: How I learned to Stop Worrying and Lo=
ve the Null Result: Similarities in Sensory Responses in People with A=
utism and Neurotypicals
    

     
    

    Click to Join: 
Click
 here to join the meeting
    

     
    

    Abstract:
    

    I will discuss the application of statistical and analysis methods to in=
vestigate an on-going debate whether children with Autism spectrum disorder=
 (ASD) have unreliable sensory processing. The general notion is that signa=
l averaging procedures typically
 used in neurophysiological and neuroimaging studies obscure the fact that =
there are ongoing and presumably relatively dramatic fluctuations in respon=
siveness to individual events. If this is correct a number of straightforwa=
rd predictions can be made about
 the evoked brain signals; 1) the averaged evoked response should be broade=
r and have a delayed peak for all components; 2) people with ASD should hav=
e a greater variability of phase dispersion across single trials.
    

    Here, we examined this thesis in a matched cohort of typically developin=
g children and children with ASD, using high-density EEG recordings of visu=
al and somatosensory evoked responses. We first used classical statistical =
methods and Bayes Factors to investigate
 differences or similarities of the groups=92 evoked responses [1]. We then=
 processed the single trials to look at amplitude or phase differences at d=
ifferent frequencies.
    

    Finally, we simulated an unreliable evoked response by introducing tempo=
ral and amplitude variability at a single trial level. This simulated data =
was then compared with the observed TD and ASD data and illustrated the pre=
dictions of the unreliable evoked
 response and the sensitivity of the measures and data to small perturbatio=
ns.
    

    Our data show highly similar reliability in the neural responses to visu=
al and somatosensory stimuli in our matched groups, while the simulated dat=
a show differences predicted by the unreliability thesis. These results all=
owed us to embrace the null and
 argue against a straightforward unreliability hypothesis and instead favor=
s an argument taking into account subtleties and specializations that are p=
resent in a complex disorder such as autism.
    

    If there is time, I will talk about my more recent work in embracing the=
 null [2] and some of my ongoing work simulating neuronal responses [3].
    

    References
    

    [1] John S. Butler, Sophie Molholm, Gizely N. Andrade, John J. Foxe, An =
Examination of the Neural Unreliability Thesis of Autism, Cerebral Cor=
tex, Volume 27, Issue 1, January 2017, Pages 185=96200, https://doi.org/10.1093/cercor/bhw375
    

    [2] Fearon, C., Butler, J.S., Waechter, S.M. et al. Neurophysi=
ological correlates of dual tasking in people with Parkinson=92s disease an=
d freezing of gait. Exp Brain Res 239, 175=96187 (2021).

https://doi.org/10.1007/s00221-020-05968-8
    

    [3] Website: 
https://johnsbutler.netlify.app
    


    
_____________________________________________=
_________________________________
    

    

    Niamh Cahill, PhD
    

    Lecturer/Assistant Pr=
ofessor
    

    Maynooth University Department of Mathematics and =
Statistics
    


    

    

    

    

    

    

    

     
    

    



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From owner-mathdep LISTSERV.HEANET.IE  Sun Mar  7 20:12:29 2021
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Date:         Sun, 7 Mar 2021 20:11:47 +0000
Reply-To:     Mark Dukes 
Sender:       UCD Maths Department Distribution List 
From:         Mark Dukes 
Subject: maths: Workshop in Enumerative Combinatorics this coming Wednesday, 10th March 2021 (reminder)
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Dear All,

Just a small reminder that we will be hosting an online afternoon Workshop
in Enumerative Combinatorics on the 10th March 2021 and invite you to
attend.

A webpage for this workshop can be found here along with the Zoom link:

http://maths.ucd.ie/~dukes/wec2021

We look forward to seeing you on Wednesday.

Best regards,
Mark Dukes, Neil O'Connell, and Robert Osburn
---
Dr Mark Dukes
School of Mathematics & Statistics
University College Dublin
Dublin 4, Ireland
http://maths.ucd.ie/~dukes

--000000000000edc5ac05bcf7edb6
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    Dear All,

    Just a small reminder that we will be hos=
ting an online afternoon Workshop in Enumerative Combinatorics on the 10th =
March 2021 and invite you to attend.

    A webpage for this workshop can=
 be found here along with the Zoom link:


    We look forward to seeing you on Wednesday.
    <=
br>
    Best regards,
    Mark Dukes, Neil=
 O'Connell, and Robert Osburn
    ---
    Dr Mark Dukes
    School of Mathematics & Statistics
    University College Dublin
    Dublin 4, Ire=
land
    

--000000000000edc5ac05bcf7edb6--

From owner-mathdep LISTSERV.HEANET.IE  Sun Mar  7 23:00:55 2021
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Date:         Sun, 7 Mar 2021 23:00:20 +0000
Reply-To:     "Denjoe O'Connor" 
Sender:       UCD Maths Department Distribution List 
From:         "Denjoe O'Connor" 
Subject: maths: DIAS Zoominar Wed March 10th at 14:30 speaker Venus Keus
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  This message is in MIME format.  The first part should be readable text,
  while the remaining parts are likely unreadable without MIME-aware tools.

--111151493-646461985-1615158020=:5202
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Dear Colleagues,
                 please join us for our upcoming Theoretical Physics Seminar on 
Wednesday March 10th by Venus Keus

Date: Wednesday 10th March
Time: 14:30
https://zoom.us/j/417720461?pwd=dTdNdXBpU2EweU9mM3VNWEUyU01odz09
Meeting ID: 417 720 461
Password: 107981

                       Venus Keus

                  University of Helsinki

Title: CP-violating inflation

Abstract: I will introduce the novel phenomenon of CP-violating inflation 
which arises in models with several scalar doublets. The inert (without 
vacuum expectation value) doublets have a non-minimal coupling to gravity 
and play the role of the inflaton. I allow for this coupling to be 
complex, thereby introducing CP-violation – a necessary source of the 
baryon asymmetry – in the Higgs–inflaton couplings. I discuss the 
inflationary dynamics of such a model and show how the CP-violation is 
imprinted on the particle asymmetries after inflation in the hot big bang 
universe.

Upcoming:
Madhusudhan Raman   Mar 17th
Andrea Cappelli     Mar 24th
Mithat Unsal        Mar 31st
Miguel Montero      Apr  7th
Katrin Wendland     Apr 14th
                     Apr 21st
David Huse          Apr 28th

Anastasia Volovich    May
Sakura Schafer-Nameki May

With best wishes,
Denjoe.
--111151493-646461985-1615158020=:5202--

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Date:         Mon, 8 Mar 2021 09:18:22 +0000
Reply-To:     "Romina.Gaburro" 
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From:         "Romina.Gaburro" 
Subject: Maths: MACSI Zoom seminar, Friday, March 12th at 15.00.
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Dear All,



the next MACSI Zoom seminar at the Department of Mathematics and Statistics=
, University of Limerick will be given by Florian Faucher  (University of V=
ienna) this Friday the 12th of March. Please find below the details of the =
seminar.



The Meeting ID will be emailed on Friday morning.



Date:  Friday, March 12, 2021 at 15.00.


Speaker: Dr. Florian Faucher (Computational Science Center, Faculty of Math=
ematics, University of Vienna, Austria).



Title: Quantitative seismic imaging using recent sensing technology with Fu=
ll Reciprocity-gap Waveform Inversion.

Abstract: We study the seismic inverse problem for the recovery of sub-surf=
ace Earth parameters from partial boundary data, where the emergence of new=
 sensing technologies (such as Distributed Acoustic Sensing) allows for upg=
raded inverse methodology. In this work, we perform quantitative imaging of=
 acoustic and elastic media introducing a misfit functional adapted to thes=
e enriched data-sets, and further rely on the hybridizable discontinuous Ga=
lerkin method for efficient numerical simulations.

The misfit criterion introduced is based upon the reciprocity-gap and allow=
s, as its main feature, the separation between the observational and comput=
ational sources. Therefore, the inversion does not need the knowledge of th=
e positions and function of the exciting sources that generate the measurem=
ents. We illustrate its flexibility with two configurations. Firstly, we sh=
ow that it allows to compensate sparse data-sets by dense numerical acquisi=
tion. Secondly, we combine seismic data from active and passive sources (of=
 unknown location), where the passive-source events contain the low-frequen=
cy data needed for multi-resolution.



Further Information: If you have any questions regarding this seminar, plea=
se direct them to Romina Gaburro (061 2131930, romina.gaburro ul.ie

) or Clifford Nolan (061 202766, clifford.nolan ul.ie).



---------------------------------------------------------------------------=
-

Supported by Science Foundation Ireland funding, MACSI - the Mathematics Ap=
plications Consortium for Science and Industry (www.macsi.ul.ie), centred at the University of Limerick, is dedicated to the =
mathematical modelling and solution of problems which arise in science, eng=
ineering and industry in Ireland.



Best wishes,

Romina Gaburro and Cliff Nolan





--_000_AM6PR03MB389335803E275A2B3B29A79687939AM6PR03MB3893eurp_
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Dear All, 
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    
 
    

    
the next MACSI Zoom seminar at the Department of Mathe=
matics and Statistics, University of Limerick will be given by Florian Fauc=
her &=
nbsp;(University
 of Vienna) this Friday the 12th of March.&nb=
sp;Please find below
 the details of the seminar. 
    

    
 
    

    
The Meeting ID will
 be emailed on Friday morning.  
    

    
 
    

    
Date:  Friday,
 March 12, 2021 at 15.00.
    

    

    

    

    
Speaker: Dr.
 Florian Faucher (Comp=
utational Science Center, Faculty of Mathematics, University
 of Vienna, Austria).          
   
    

    

    

    

    

    

    

    

    

    

    


    

    
Title: =
Quantitative
 seismic imaging using recent sensing technology with Full Reciprocity-gap =
Waveform Inversion. 
    

    
Abstract: We
 study the seismic inverse problem for the recovery of sub-surface Earth pa=
rameters from partial boundary data, where the emergence of new sensing tec=
hnologies (such as Distributed Acoustic Sensing) allows for upgraded invers=
e methodology. In this work, we
 perform quantitative imaging of acoustic and elastic media introducing a m=
isfit functional adapted to these enriched data-sets, and further rely on t=
he hybridizable discontinuous Galerkin method for efficient numerical simul=
ations.
    

    
The misfit criterion introduced is based upon the =
reciprocity-gap and allows, as its
 main feature, the separation between the observational and computational s=
ources. Therefore, the inversion does not need the knowledge of the positio=
ns and function of the exciting sources that generate the measurements. We =
illustrate its flexibility with
 two configurations. Firstly, we show that it allows to compensate sparse d=
ata-sets by dense numerical acquisition. Secondly, we combine seismic data =
from active and passive sources (of unknown location), where the passive-so=
urce events contain the low-frequency
 data needed for multi-resolution.

    

    

    

    

    

    

    

    

    

    

    

    

    
Further Information: If =
you have any questions regarding this seminar,
 please direct them to Romina Gaburro (061 2131930, <=
span style=3D"margin:0px; font-family:Calibri,Helvetica,sans-serif; font-si=
ze:12pt; color:purple">romina.gaburro ul.ie
    
) or Clifford Nolan (061 202766, <=
/span>clifford.nolan ul.ie).
    

    

    
 
    

    

    

    


    


    

    
----------------------------------------------------------------=
------------
    

    
    		

    
    

    

    

    

    

    

    

    
Supported by Science Foundation Ireland fund=
ing, MACSI - the Mathematics Applications Consortium for Scienc=
e
 and Industry (www.macsi.ul.i=
e),
 centred at the University of Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.
    

    
&nb=
sp;
    

    
Bes=
t wishes,
    

    
Rom=
ina Gaburro and Cliff Nolan
    

    

    
 
    

    

    
 
    

    

    

    

    

    

    

    

    

    

    



--_000_AM6PR03MB389335803E275A2B3B29A79687939AM6PR03MB3893eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar  8 09:19:51 2021
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Reply-To:     Andrei Parnachev 
Sender:       UCD Maths Department Distribution List 
From:         Andrei Parnachev 
Subject: maths: Dublin Theoretical Physics Colloquium, March 10
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Content-Type: text/plain; charset="UTF-8"

DUBLIN THEORETICAL PHYSICS COLLOQUIUM

Wednesday, 10 March  2021, 16:00



Speaker: Leonardo Rastelli (Stony Brook)

Title: Sharp boundaries for the swampland





Abstract: We reconsider the problem of bounding higher derivative couplings
in consistent weakly coupled gravitational theories, starting from general
assumptions about analyticity and Regge growth of the S-matrix. Higher
derivative couplings are expected to be of order one in the units of the UV
cutoff. Our approach justifies this expectation and allows to prove precise
bounds on the order one coefficients. Our main tool are dispersive sum
rules for the S-matrix. We overcome the difficulties presented by the
graviton pole by measuring couplings at small impact parameter, rather than
in the forward limit. We illustrate the method in theories containing a
massless scalar coupled to gravity, and in theories with maximal
supersymmetry.







 All are welcome to join us online, see zoom details below.



Topic: Dublin Theoretical Physics Colloquium
Time: Mar 10, 2021 04:00 PM Dublin

Join Zoom Meeting
https://tcd-ie.zoom.us/j/93211813927?pwd=SVJpYlVOYjA5NHhJZURZRzlGcXpGUT09

Meeting ID: 932 1181 3927
Passcode: 251319


=====================



title:: Dublin Theoretical Physics Colloquium

content:: Leonardo Rastelli (Stony Brook)

:: Sharp boundaries for the swampland

date-time:: 10 March 2021 at 16:00

location:: Online

endevent::

--0000000000003702a005bd02efca
Content-Type: text/html; charset="UTF-8"
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    =


    DUBLIN THEORETICAL PHYSICS COLLOQUIUM
    Wednesday, 10 March =C2=A02021, 16:00
    =C2=A0
    Speaker=
:=C2=A0Leonardo Rastelli (Stony =
Brook)
    Title:=C2=A0Sharp bou=
ndaries for the swampland



    =C2=A0
    Abstract:=C2=A0We reconsider the problem of bounding higher derivative coup=
lings in consistent weakly coupled gravitational theories, starting from ge=
neral assumptions about analyticity and Regge growth of the S-matrix. Highe=
r derivative couplings are expected to be of order one in the units of the =
UV cutoff. Our approach justifies this expectation and allows to prove prec=
ise bounds on the order one coefficients. Our main tool are dispersive sum =
rules for the S-matrix. We overcome the difficulties presented by the gravi=
ton pole by measuring couplings at small impact parameter, rather than in t=
he forward limit. We illustrate the method in theories containing a massles=
s scalar coupled to gravity, and in theories with maximal supersymmetry.





    =C2=A0
    =C2=A0All=
 are welcome to join us online, see zoom details below.


    Topic: Dublin Theor=
etical Physics Colloquium
    Time: Mar 10, 2021 04:00 PM Dublin

    Join Zoom Meeting

    Meeting ID: 932 1181 3927
    Pass=
code: 251319


    =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=

    =C2=A0
    title:: Dublin Theoretical Physics Colloquium<=
/p>
    content::=C2=A0Leonardo Rastelli (Stony Brook=
)
    ::=C2=A0Sharp boundaries for the swa=
mpland
    date-time:: 10 March 2021 at 16:00<=
u>
    location:: Online
    =

    endevent::
    <=
u>=C2=A0
    =C2=A0
    

    

    

    

    

    

    

--0000000000003702a005bd02efca--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar  8 09:23:12 2021
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Reply-To:     Martin Kerin 
Sender:       UCD Maths Department Distribution List 
From:         Martin Kerin 
Subject: maths: Irish Geometry Seminar, Tuesday, 9 March, 2pm GMT
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--------------84E07A01F9E2BE1D3D4CD903
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Dear all,

This week's talk in the Irish Geometry Seminar will take place at *2pm 
on Tuesday, 9 March*.

-----------------------------
_Speaker:_ Jonathan Wermelinger (University of Fribourg)
___
__Title:_ On the moduli space of positive Ricci metrics on 
15-dimensional manifolds
___
__Abstract:_  In this talk, I am going to show that the moduli spaces of 
positive Ricci curvature metrics on the total spaces of S^7-bundles over 
S^8 which are rational homology spheres have infinitely many path 
components. Furthermore, when this total space is a homotopy 15-sphere 
(called a Shimada sphere), we consider the involution induced by 
fiberwise antipodal maps. The quotients are homotopy equivalent to 
RP^{15} and we will study their diffeomorphism classification in order 
to prove some results on their moduli space of positive Ricci curvature 
metrics as well.
___
__Zoom details:_
Direct link: 
https://nuigalway-ie.zoom.us/j/95219875196?pwd=TnpkK3h0UkVQSGFiZFAyVFZVSnhHZz09

Meeting ID: 952 1987 5196
Passcode: 668752
-----------------------------

The full schedule of talks is available at 
http://www.maths.nuigalway.ie/~kerin/irishgeomseminar.shtml.

We're looking forward to you joining us.

All the best,
Martin

--------------84E07A01F9E2BE1D3D4CD903
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    Dear all,
    
    
    
    This week's talk in the Irish Geometry Seminar will take place at 2pm
      on Tuesday, 9 March.
    
    
    
    -----------------------------
    
    Speaker: Jonathan Wermelinger (University of Fribourg)
    
    
    
        Title: On the moduli space of positive Ricci metrics on
    15-dimensional manifolds
    
    
    
        Abstract:  In this talk, I am going to show that the
    moduli spaces of positive Ricci curvature metrics on the total
    spaces of S^7-bundles over S^8 which are rational homology spheres
    have infinitely many path components. Furthermore, when this total
    space is a homotopy 15-sphere (called a Shimada sphere), we consider
    the involution induced by fiberwise antipodal maps. The quotients
    are homotopy equivalent to RP^{15} and we will study their
    diffeomorphism classification in order to prove some results on
    their moduli space of positive Ricci curvature metrics as well.
    
    
    
        Zoom details: 
    
    Direct link:
https://nuigalway-ie.zoom.us/j/95219875196?pwd=TnpkK3h0UkVQSGFiZFAyVFZVSnhHZz09
    
    
    
    Meeting ID: 952 1987 5196
    
    Passcode: 668752
    
    -----------------------------
    
    
    
    The full schedule of talks is available at http://www.maths.nuigalway.ie/~kerin/irishgeomseminar.shtml.
    
    
    
    We're looking forward to you joining us.
    
    
    
    All the best,
    
    Martin
  


--------------84E07A01F9E2BE1D3D4CD903--

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Reply-To:     Andrew Keane 
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From:         Andrew Keane 
Subject: Applied Mathematics Seminar (UCC): Andrea Ceni (11.03.2021, 12:00, via MS Teams)
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--------------DFDA7CEF3BF3A23A3C0AFC94
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title:: Applied Mathematics Seminar (University College Cork)
content:: Andrea Ceni**(University of Exeter) will speak on
:: Multistability in recurrent neural networks
:: For further information see:
::https://www.ucc.ie/en/matsci/events/appliedmathematicsseminarstalks2020-2021/
date-time:: 11th March 2021 at 12:00
location:: MS Teams: contact Andrew Keane (andrew.keane ucc.ie) for details
endevent::

--------------DFDA7CEF3BF3A23A3C0AFC94
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    title:: Applied
        Mathematics Seminar (University College Cork)
    
    
      
    
        
    
          
    
            
    
              
    
                
    
                  
    
                    
    content:: Andrea Ceni
                        (University
                            of Exeter) will speak on
    
                    
    :: Multistability
                            in recurrent neural networks
                        
    
                    
    :: For further information
                      see:
    
                    
                    
    date-time:: 11th March 2021
                      at 12:00
    
                    
    
                    
    location:: MS Teams: contact
                      Andrew Keane (andrew.keane ucc.ie)
                      for details
    
                    
    
                    endevent::
    
                
    
              
    
            
    
          
    
        
    
      
    
    
    
  


--------------DFDA7CEF3BF3A23A3C0AFC94--

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Subject: maths: Probability seminar, Wed 24th March 2021
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----+--1615217544--+--
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UCD School of Mathematics and Statistics - Seminar Notice=0D
=0D
 =0D
	Speaker: Kilian Raschel (Tours)=0D
 =0D
	Title: Reflected Brownian motion in a wedge and q-difference equations=0D
=0D
 =0D
	Date: Wed 24th March 2021=0D
 =0D
	Time: 3:00PM=0D
 =0D
	Location: Online=0D
=0D
Abstract: We consider a semimartingale reflected Brownian motion in a  =0D
two-dimensional wedge. Under standard assumptions on the parameters of  =0D
the model (opening of the wedge, angles of the reflections on the  =0D
axes, drift), we study the algebraic and differential nature of the  =0D
Laplace transform of its stationary distribution. We derive necessary  =0D
and sufficient conditions for this Laplace transform to be rational,  =0D
algebraic, differentially finite or more generally differentially  =0D
algebraic. These conditions are explicit linear dependencies among the  =0D
angles involved in the definition of the model.=0D
=0D
To prove these results, we start from a functional equation that the  =0D
Laplace transform satisfies, to which we apply tools from diverse  =0D
horizons. To establish differential algebraicity, a key ingredient is  =0D
Tutte's invariant approach, which originates in enumerative  =0D
combinatorics. To establish differential transcendence, we turn the  =0D
functional equation into a difference equation and apply Galoisian  =0D
results on the nature of the solutions to such equations.=0D
=0D
This is a joint work with M. Bousquet-M=E9lou, A. Elvey Price, S.  =0D
Franceschi and C. Hardouin (https://arxiv.org/abs/2101.01562).=0D
=0D
Zoom Link: =0D
https://ucd-ie.zoom.us/j/83491228915?pwd=3DWWV3ZkNGNzVXdGxLRlR0dkdMYUtMZz09=
 =0D
=0D
Meeting ID: 834 9122 8915 =0D
Passcode: 698437=0D
=0D
-------------------------------------------------------------=0D
For other seminars in the Probability series, see http://maths.ucd.ie/semin=
arseries/probability=0D
=0D
-------------------------------------------------------------=0D
The following formats the above notice so as to be included in the mathdep =
google calendar=0D
=0D
title:: Reflected Brownian motion in a wedge and q-difference equations=0D
content:: Kilian Raschel (Tours) =0D
:: UCD Probability seminar (http://maths.ucd.ie/seminarseries/probability) =
=0D
location:: Online=0D
date-time:: Wed 24th March 2021 at 3:00PM=20=


----+--1615217544--+--
Content-Type: text/html; charset="utf-8"
Content-Transfer-Encoding: quoted-printable


    UCD School of Mathematics and Statistics - Seminar Notice

    


    
 

    
	Speaker:  Kilian Raschel (Tours)

    
 

    
	Title: Reflected Brownian motion in a wedge and q-difference equations

    


    
 

    
	Date: Wed 24th March 2021

    
 

    
	Time: 3:00PM

    
 

    
	Location: Online

    


    
Abstract: We consider a semimartingale reflected Brownian motion in a  

    
two-dimensional wedge. Under standard assumptions on the parameters of  

    
the model (opening of the wedge, angles of the reflections on the  

    
axes, drift), we study the algebraic and differential nature of the  

    
Laplace transform of its stationary distribution. We derive necessary  

    
and sufficient conditions for this Laplace transform to be rational,  

    
algebraic, differentially finite or more generally differentially  

    
algebraic. These conditions are explicit linear dependencies among the  

    
angles involved in the definition of the model.

    


    
To prove these results, we start from a functional equation that the  

    
Laplace transform satisfies, to which we apply tools from diverse  

    
horizons. To establish differential algebraicity, a key ingredient is  

    
Tutte's invariant approach, which originates in enumerative  

    
combinatorics. To establish differential transcendence, we turn the  

    
functional equation into a difference equation and apply Galoisian  

    
results on the nature of the solutions to such equations.

    


    
This is a joint work with M. Bousquet-Mélou, A. Elvey Price, S.  

    
Franceschi and C. Hardouin (https://arxiv.org/abs/2101.01562).

    


    
Zoom Link: 

    
https://ucd-ie.zoom.us/j/83491228915?pwd=WWV3ZkNGNzVXdGxLRlR0dkdMYUtMZz09 

    


    
Meeting ID: 834 9122 8915 

    
Passcode: 698437

    


    
-------------------------------------------------------------

    
For other seminars in the Probability series, click http://maths.ucd.ie/seminarseries/probability

    


    
-------------------------------------------------------------

    
The following formats the above notice so as to be included in the mathdep google calendar

    


    
title:: Reflected Brownian motion in a wedge and q-difference equations

    
content:: Kilian Raschel (Tours) 

    
:: UCD Probability seminar (http://maths.ucd.ie/seminarseries/probability) 

    
location:: Online

    
date-time:: Wed 24th March 2021 at 3:00PM 
    
----+--1615217544--+----

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar  8 18:48:43 2021
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Date:         Mon, 8 Mar 2021 20:48:22 +0200
Reply-To:     Natalia Kopteva 
Sender:       UCD Maths Department Distribution List 
From:         Natalia Kopteva 
Subject: maths: INAF seminar, Thu 11-Mar, Ivan Graham (Bath)
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Thu 11 March 2021, 14:00 (Dublin)

Ivan Graham (University of Bath)

Solving the Helmholtz equation at high frequency

The Helmholtz equation arises when the linear wave equation is reduced to a steady state PDE via Fourier transform in time. It is arguably one of the simplest equations describing linear waves in general geometries and media, and it provides a scalar model for more complicated problems like the elastic wave equation or Maxwell's equations. It arises in many applications, including inverse problems e.g., seismic imaging. Despite it's linearity and apparent simplicity, this equation is difficult to solve because (a) its stability properties are complicated and depend on domain geometry and material properties of the medium; (b) at high frequency, solutions are highly oscillatory, very fine meshes are needed to even guarantee the existence/uniqueness of numerical solutions, and finer meshes are needed for accuracy; (c) the system matrices which arise after discretization are highly indefinite and non-normal, and (in contrast to positive definite PDE problems), the formulation and analysis of fast parallel iterative methods is difficult. On the last point, there is currently intense research interest amongst a number of groups worldwide on developing efficient linear solvers.
In the talk I'll give some background to the Helmholtz problem, describe what is known about its stability and finite element error analysis and then I'll describe work I have been doing with colleagues on the formulation and analysis of domain decomposition methods for solving the linear systems arising from discretized Helmholtz problems. My main collaborators for the talk are Shihua Gong and Euan Spence (both of Bath) and Jun Zou (Chinese University of Hong Kong), although other collaborators will also be mentioned during the talk.

The seminar will be held online via ZOOM; more info, including a list of speakers and instructions for registering your name and email address, are given at the INAF website at https://staff.ul.ie/natalia/inaf

==============================
The following formats the above notice so as to be included in the mathdep google calendar

title:: Irish Numerical Analysis Forum seminar
content:: Ivan Graham (Bath)
:: The discrete maximum principle in finite element methods
date-time:: Thursday 11 March at 14:00
location:: ZOOM; register at https://staff.ul.ie/natalia/inaf
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar  8 19:34:49 2021
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    =

    You have been invited to the following=
 event.
    =

    maths: INAF s=
eminar, Thu 11-Mar, Ivan Graham (Bath)
    When
    Thu Mar 11, 2021 2pm =E2=80=93 3pm Ireland Time
    Calen=
dar
    mathdep listserv.heanet.ie
    Who<=
/i>
    Kirk Soodhalter - orga=
nizer
    =

    •
    =
•
    Natalia Kopteva
    •
    mathdep listserv.heanet.ie
    Ivan Graham (University of Bath)
    Solving the Hel=
mholtz equation at high frequency
    The Helmholtz equation arises when =
the linear wave equation is reduced to a steady state PDE via Fourier trans=
form in time. It is arguably one of the simplest equations describing linea=
r waves in general geometries and media, and it provides a scalar model for=
 more complicated problems like the elastic wave equation or Maxwell's =
equations. It arises in many applications, including inverse problems e.g.,=
 seismic imaging. Despite it's linearity and apparent simplicity, this =
equation is difficult to solve because (a) its stability properties are com=
plicated and depend on domain geometry and material properties of the mediu=
m; (b) at high frequency, solutions are highly oscillatory, very fine meshe=
s are needed to even guarantee the existence/uniqueness of numerical soluti=
ons, and finer meshes are needed for accuracy; (c) the system matrices whic=
h arise after discretization are highly indefinite and non-normal, and (in =
contrast to positive definite PDE problems), the formulation and analys
    =
 is of fast parallel iterative methods is difficult. On the last point, the=
re is currently intense research interest amongst a number of groups worldw=
ide on developing efficient linear solvers.
    In the talk I'll give so=
me background to the Helmholtz problem, describe what is known about its st=
ability and finite element error analysis and then I'll describe work I=
 have been doing with colleagues on the formulation and analysis of domain =
decomposition methods for solving the linear systems arising from discretiz=
ed Helmholtz problems. My main collaborators for the talk are Shihua Gong a=
nd Euan Spence (both of Bath) and Jun Zou (Chinese University of Hong Kong)=
, although other collaborators will also be mentioned during the talk.
    <=
p>The seminar will be held online via ZOOM; more info, including a list of =
speakers and instructions for registering your name and email address, are =
given at the INAF website at https://staff.u=
l.ie/natalia/inaf
    Going (mathdep listserv.heanet.ie)?   Yes - Maybe=
 - No    more options »
    Invitation from =
Google Calendar
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ent.
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thers regardless of their own invitation status, or to modify your RSVP. Learn=
 More.
    
--0000000000007727a005bd0b8566--

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar  9 17:46:36 2021
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Date:         Tue, 9 Mar 2021 17:46:09 +0000
Reply-To:     Thomas Huettemann 
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From:         Thomas Huettemann 
Subject: maths: Seminar talk on numerical semigroups and music, 2021-03-12 at 2pm
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Dear All,

This week's talk in the Mathematical Sciences Research Centre seminar at
Queen's University Belfast will be on

Numierical semigroups and music,

to take place Friday 2021-03-12 at 2pm online (Teams). Please contact
the seminar organiser Florian Pausinger  if you'd
like to join.

     Thomas

==================================

For a list of upcoming talks in this series, plese visit:

http://web.am.qub.ac.uk/wp/msrc/msrc-home-page/research/upcoming-colloquia/

==================================

Title: Numerical semigroups and music

Speaker: Maria Bras-Amorós (Universitat Rovirai Virgili)

Abstract: We will elaborate on the algebraic structure of the sequence of
harmonics when combined with equal temperaments. Fractals and the golden
ratio appear surprisingly on the way.

You can find the full abstract (PDF file) on the MSRC website:

http://web.am.qub.ac.uk/wp/msrc/events/20210312/

==================================

title:: Numercial semigroups and music
content:: A seminar talk at the Mathematical Sciences Research Centre
:: of Queen's University Belfast.
:: Speaker: Maria Bras-Amorós (Universitat Rovirai Virgili)

date-time:: 12th March 2021 at 14:00
location:: online (Teams)
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 10 08:51:57 2021
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Date:         Wed, 10 Mar 2021 08:51:39 +0000
Reply-To:     John Butler 
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From:         John Butler 
Subject: Maths: Lawrence Crane
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Dear all

Sadly Professor Lawrence Crane passed away on Saturday. He was a Professor =
in the School of Mathematics in Trinity College Dublin for over 40 years.  =
I had the privilege of being lectured by him and having engaging discussion=
s with him during my PhD. He was an excellent lecturer, researcher and a lo=
vely person.

His family have our deepest sympathies.

The death notice appears on  https://rip.ie/death-notice/lawrence-olly-cran=
e-clontarf-dublin/452262


Regards

John



[turn on images]
John S Butler
Lecturer
City Campus
________________________________________
Website -- Twitter  jslbutler  -- Google Scholar -- ResearchGate

OT Baile =C1tha Cliath - Scoil na nEola=EDochta=ED Matamaitici=FAla, Campas=
 Sr=E1id Chaoimh=EDn, Baile =C1tha Cliath 8, =C9ire
TU Dublin - School of Mathematical Sciences, Kevin Street Campus, Dublin 8,=
 Ireland






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    Dear all
    

     
    

    Sadly Professor Lawrence Crane passed away on Saturd=
ay. He was a Professor in the School of Mathematics in Trinity College Dubl=
in for over 40 years.  I had the privilege of being lectured by him an=
d having engaging discussions with him
 during my PhD. He was an excellent lecturer, researcher and a lovely perso=
n. 

    

     
    

    His family have our deepest sympathies. <=
/p>

     
    

    The death notice appears on 

https://rip.ie/death-notice/lawrence-olly-crane-clontarf-dublin/452262<=
span style=3D"font-family:"Times New Roman",serif;mso-fareast-lan=
guage:EN-GB">
    

     
    

     
    

    Regards
    

     
    

    John
    

     
    

     
    

    

    &nbs=
p;
    

    


    


    3D"turn
    
    		




    


    


    John S Butler
    

    Le=
cturer
    

    Ci=
ty Campus
    
    		

    
    

    

    ________________________________________
    

    


    


    We=
bsite
--
Twitter  jslbutler  -- Google
 Scholar -- ResearchGate 

    
    		

    
    

    

     
    

    


    


    OT=
 Baile =C1tha Cliath - Scoil na nEola=EDochta=ED Matamaitici=FAla, Campas S=
r=E1id Chaoimh=EDn, Baile =C1tha Cliath 8, =C9ire
    

    TU=
 Dublin - School of Mathematical Sciences, Kevin Street Campus, Dublin 8, I=
reland
    
    		

    
    

    

    
    		

    

    


     
    
    		


    &nbs=
p;
    
    		


     
    
    		

    
    

    

    &nbs=
p;
    

    

     
    

    

    
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ar aon nochtadh, aon ch=F3ipe=E1il, aon d=E1ileadh n=F3 ar aon ghn=EDomh
 a dh=E9anfar bunaithe ar an =E1bhar at=E1 sa r=EDomhphost n=F3 sna hiat=E1=
in seo. 
    




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Date:         Fri, 12 Mar 2021 09:07:22 +0000
Reply-To:     "Romina.Gaburro" 
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From:         "Romina.Gaburro" 
Subject: Maths: MACSI Zoom seminar, TODAY, March 12th at 15.00.
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Dear All,



the next MACSI Zoom seminar at the Department of Mathematics and Statistics=
, University of Limerick will be given by Florian Faucher  (University of V=
ienna) TODAY, Friday the 12th of March. Please find below the details of th=
e seminar.



Join Zoom Meeting

https://zoom.us/j/93254865350?pwd=3DcDFhcVRWYW1nZXFVSkdTZDBqSWdFdz09

Meeting ID: 932 5486 5350
Passcode: 544381



Date:  Friday, March 12, 2021 at 15.00.


Speaker: Dr. Florian Faucher (Computational Science Center, Faculty of Math=
ematics, University of Vienna, Austria).


Title: Quantitative seismic imaging using recent sensing technology with Fu=
ll Reciprocity-gap Waveform Inversion.

Abstract: We study the seismic inverse problem for the recovery of sub-surf=
ace Earth parameters from partial boundary data, where the emergence of new=
 sensing technologies (such as Distributed Acoustic Sensing) allows for upg=
raded inverse methodology. In this work, we perform quantitative imaging of=
 acoustic and elastic media introducing a misfit functional adapted to thes=
e enriched data-sets, and further rely on the hybridizable discontinuous Ga=
lerkin method for efficient numerical simulations.

The misfit criterion introduced is based upon the reciprocity-gap and allow=
s, as its main feature, the separation between the observational and comput=
ational sources. Therefore, the inversion does not need the knowledge of th=
e positions and function of the exciting sources that generate the measurem=
ents. We illustrate its flexibility with two configurations. Firstly, we sh=
ow that it allows to compensate sparse data-sets by dense numerical acquisi=
tion. Secondly, we combine seismic data from active and passive sources (of=
 unknown location), where the passive-source events contain the low-frequen=
cy data needed for multi-resolution.



Further Information: If you have any questions regarding this seminar, plea=
se direct them to Romina Gaburro (061 2131930, romina.gaburro ul.ie

) or Clifford Nolan (061 202766, clifford.nolan ul.ie).



---------------------------------------------------------------------------=
-

Supported by Science Foundation Ireland funding, MACSI - the Mathematics Ap=
plications Consortium for Science and Industry (www.macsi.ul.ie), centred at the University of Limerick, is dedicated to the =
mathematical modelling and solution of problems which arise in science, eng=
ineering and industry in Ireland.



Best wishes,

Romina Gaburro and Cliff Nolan





--_000_AM6PR03MB3893968290F2DF79D7664C9A876F9AM6PR03MB3893eurp_
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Dear All, 
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    
 
    

    
the next MACSI Zoom seminar at the Department of Mathe=
matics and Statistics, University of Limerick will be given by Florian Fauc=
her =
 (University
 of Vienna) TODAY, Friday the 12th of March. =
Please find below
 the details of the seminar. 
    

    
 
    

    
Join Zoom Meeting<=
/span>
    


    

    


    

    

    

    

    

    

    Meeting ID: 932 5486 5350<=
/div>

    

    

    

    

    Passcode: 544381
    

    

    

    

    

    

    

    
 
    

    
Date:  Friday,
 March 12, 2021 at 15.00.
    

    

    

    

    
Speaker: Dr.
 Florian Faucher (Comp=
utational Science Center, Faculty of Mathematics, University
 of Vienna, Austria).          
   
    

    

    

    

    
Title: Quantitative
 seismic imaging using recent sensing technology with Full Reciprocity-gap =
Waveform Inversion. 
    

    

    
Abstract: We
 study the seismic inverse problem for the recovery of sub-surface Earth pa=
rameters from partial boundary data, where the emergence of new sensing tec=
hnologies (such as Distributed Acoustic Sensing) allows for upgraded invers=
e methodology. In this work, we
 perform quantitative imaging of acoustic and elastic media introducing a m=
isfit functional adapted to these enriched data-sets, and further rely on t=
he hybridizable discontinuous Galerkin method for efficient numerical simul=
ations.
    

    
The misfit criterion introduced is based upon the =
reciprocity-gap and allows, as its
 main feature, the separation between the observational and computational s=
ources. Therefore, the inversion does not need the knowledge of the positio=
ns and function of the exciting sources that generate the measurements. We =
illustrate its flexibility with
 two configurations. Firstly, we show that it allows to compensate sparse d=
ata-sets by dense numerical acquisition. Secondly, we combine seismic data =
from active and passive sources (of unknown location), where the passive-so=
urce events contain the low-frequency
 data needed for multi-resolution.

    

    

    

    

    

    

    

    

    

    

    

    

    
Further Information: If =
you have any questions regarding this seminar,
 please direct them to Romina Gaburro (061 2131930, <=
span style=3D"margin:0px; font-family:Calibri,Helvetica,sans-serif; font-si=
ze:12pt; color:purple">romina.gaburro ul.ie
    
) or Clifford Nolan (061 202766, <=
/span>clifford.nolan ul.ie).
    

    

    
 
    

    

    

    


    


    

    
----------------------------------------------------------------=
------------
    

    
    		

    
    

    

    

    

    

    

    

    
Supported by Science Foundation Ireland fund=
ing, MACSI - the Mathematics Applications Consortium for Scienc=
e
 and Industry (www.macsi.ul.i=
e),
 centred at the University of Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.
    

    
&nb=
sp;
    

    
Bes=
t wishes,
    

    
Rom=
ina Gaburro and Cliff Nolan
    

    

    
 
    

    

    
 
    

    

    

    

    

    

    

    

    

    

    

    



--_000_AM6PR03MB3893968290F2DF79D7664C9A876F9AM6PR03MB3893eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Fri Mar 12 17:08:53 2021
Return-Path: 
Date:         Fri, 12 Mar 2021 17:08:29 +0000
Reply-To:     =?iso-8859-1?Q?Ciar=E1n_Mac_an_Bhaird?= 
Sender:       UCD Maths Department Distribution List 
From:         =?iso-8859-1?Q?Ciar=E1n_Mac_an_Bhaird?= 
Subject: Maths: British Society for the History of Mathematics Neumann Prize
To:           MATHDEP LISTSERV.HEANET.IE
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Dear colleagues,



In case this is relevant to you, I would like to bring your attention to th=
e Neumann Prize details for 2021, please see below.


I will not post again to this list about the prize, but queries can be sent=
 to me.


Kind regards,


Ciar=E1n


--------------


The British Society for the History of Mathematics is pleased to announce t=
he biennial Neumann Prize for 2021.  The prize is awarded for a book in Eng=
lish (including books in translation) dealing with the history of mathemati=
cs and aimed at a non-specialist readership and published in 2019 or later.=
  There is no further restriction on the subject matter, nor on the nationa=
lity of the author or the country of publication, however the following wil=
l not be considered:



  *   Edited volumes

  *   Second and subsequent editions, unless they are very substantially di=
fferent from the earlier editions

  *   Books by members of BSHM Council in the year of the award, or by the =
editor of the BJHM (see https://www.bshm.ac.uk/people).



The prize is named in honour of Peter M. Neumann O.B.E., a former President=
 and longstanding contributor to the Society.  The value of the prize is =
=A31000.  A list of past prize-winners can be found on the BSHM website: ht=
tps://www.bshm.ac.uk/neumann-prize.



Nominations for the prize are invited from individuals and publishers. Nomi=
nations should be sent to the chair of the judging panel, Ciar=E1n Mac an B=
haird. Publishers should send an electronic copy of their nominated book(s)=
 to ciaran.macanbhaird mu.ie and three har=
d copies to Dr Ciar=E1n Mac an Bhaird, Chair, BSHM Neumann Prize panel, Dep=
artment of Mathematics and Statistics, Maynooth University, Co. Kildare, Ir=
eland, W23 HW31.



The closing date for nominations is 1st September, 2021.



If you have published any books that could qualify and would like them cons=
idered by the Neumann Prize panel please send an electronic copy and three =
physical copies to Ciar=E1n Mac an Bhaird as above.



Dr. Ciar=E1n Mac an Bhaird


Assistant Professor and MSC Director


Department of Mathematics and Statistics


Maynooth University


https://www.maynoothuniversity.ie/people/ciar-n-mac-bhaird


http://supportcentre.maths.nuim.ie/


--_000_DB7PR02MB36420D213F9BD5EB7F54282E8C6F9DB7PR02MB3642eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable








    

    

    

    
=
Dear
 colleagues,
    

    
 
    

    

    
=
In
 case this is relevant to you, I would like to bring your attention to the&=
nbsp;Neumann
 Prize details for 2021,
 please see below.
    

    
=

    

    

    
=
I
 will not post again to this list about the prize, but queries can be sent =
to me.
    

    
=

    

    

    
=
Kind
 regards,
    

    
=

    

    

    
=
Ciar=
=E1n
    

    

    

    

    
--------------
    

    
=

    

    

    
=
The
 British Society for the History of Mathematics is pleased to announce the =
biennial Neumann Prize for 2021. 
 The prize is awarded for a book in English (including books in translation=
) dealing with the history of mathematics and aimed at a non-specialist readership
 and published
 in 201=
=
9 or
 later.  There is no further restriction on the subject matter, nor on=
 the nationality of the author or the country of publication<=
span lang=3D"EN-GB" class=3D"TextRun SCXW16449364 BCX0" style=3D"margin:0px=
; font-variant-ligatures:none!important; font-size:12pt; line-height:20.504=
2px; font-family:Calibri,Calibri_EmbeddedFont,Calibri_MSFontService,sans-se=
rif">,
 however the
 following will
 not be considered: =
;
    

    

    

    
=
 
    

    

      

    • 

      
Edited
 volumes 
      

    • 

      
Second
 and subsequent editions, unless they are very substantially different from=
 the earlier editions 
      

    • 

      
Books
 by members of BSHM Council in the year of the award, or by the editor of t=
he BJHM (see https://www.bshm.ac.uk/peopl=
e). 
      

    

    

    

    

    
=
 
    

    

    

    
=
The
 prize is named in honour of Peter M. Neumann O.B.E., a former President an=
d longstanding contributor to the Society.  The value of the prize is =
=A31000. 
 A list of past prize-winners can be found on the BSHM website: https://www.bshm.ac.uk/neumann-p=
rize. 

    

    

    

    
=
 
    

    

    

    
=
Nominations
 for the prize are invited from
 individuals and publishers. =
Nominations
 should be sent to the chair of the judging panel, Ciar=E1n
 Mac an Bhaird. Publishers should
 send an
 electronic copy of
 their nominated book(s) to <=
/span>ciaran.macan=
bhaird mu.ie and
 three hard copies to
 Dr Ciar=E1n Mac an Bhaird, Chair, BSHM Neumann Prize panel, Department
 of Mathematics and Statistics, Maynooth University, Co. Kildare, Ireland, =
W23 HW31. 
    

    

    

    
=
 
    

    

    

    
The
 closing date for nominations is <=
span lang=3D"EN-GB" class=3D"TextRun SCXW16449364 BCX0" style=3D"margin:0px=
; font-variant-ligatures:none!important; font-size:12pt; line-height:20.504=
2px; font-family:Calibri,Calibri_EmbeddedFont,Calibri_MSFontService,sans-se=
rif">1st&nb=
sp;September,&nb=
sp;20=
21. 
    

    

    

    
 
    

    

    

    
If
 you have published any books that could
 qualify and would like them considered by the Neumann Prize=
 panel please
 send an
 electronic copy and three p=
hysical copies
 to Ciar=E1n
 Mac an Bhaird as
 above. 
    

    

    

    

    

    

    

    

    

    

    

    

    
Dr. Ciar=E1n Mac an Bhaird
    

    

    

    

    
Assistant Professor and MSC Director
    

    

    

    

    
Department of Mathematics and Statistics
    

    

    

    

    
Maynooth University
    

    

    

    

    
https://www.maynoothuniversity.ie/people/ciar-n-mac-bhair=
d
    

    

    

    

    

    
http:=
//supportcentre.maths.nuim.ie/
    

    

    

    

    

    

    

    

    



--_000_DB7PR02MB36420D213F9BD5EB7F54282E8C6F9DB7PR02MB3642eurp_--

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Message-ID:  
Date:         Sat, 13 Mar 2021 13:35:28 +0000
Reply-To:     "Hurley, Ted" 
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Subject: maths: Scientific publishing
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This is a very interesting article about Scientific Publishing, link below. I don't necessarily agree with everything but some great points are notable.  I hadn't realised the profits and profit margins are so huge. 

I've listed the following for my own reference  as well! (See the *** one in particular.) 

``Many scientists also believe that the publishing industry exerts too much influence over what scientists choose to study, which is ultimately bad for science itself. Journals prize new and spectacular results  after all, they are in the business of selling subscriptions  and scientists, knowing exactly what kind of work gets published, align their submissions accordingly. This produces a steady stream of papers, the importance of which is immediately apparent. But it also means that scientists do not have an accurate map of their field of inquiry. Researchers may end up inadvertently exploring dead ends that their fellow scientists have already run up against, solely because the information about previous failures has never been given space in the pages of the relevant scientific publications. ..''

``According to critics, the journal system actually holds back scientific progress. In a 2008 essay, Dr Neal Young of the National Institutes of Health (NIH), which funds and conducts medical research for the US government, argued that, given the importance of scientific innovation to society, there is a moral imperative to reconsider how scientific data are judged and disseminated. ''

``The way to make money from a scientific article looks very similar, except that scientific publishers manage to duck most of the actual costs. Scientists create work under their own direction  funded largely by governments  and give it to publishers for free; the publisher pays scientific editors who judge whether the work is worth publishing and check its grammar, but the bulk of the editorial burden  checking the scientific validity and evaluating the experiments, a process known as peer review  is done by working scientists on a volunteer basis. The publishers then sell the product back to government-funded institutional and university libraries, to be read by scientists  who, in a collective sense, created the product in the first place.''

``What other industry receives its raw materials from its customers, gets those same customers to carry out the quality control of those materials, and then sells the same materials back to the customers at a vastly inflated price?''

there is a moral imperative to reconsider how scientific data are judged and disseminated.

***This is awful: ``Today, every scientist knows that their career depends on being published, and professional success is especially determined by getting work into the most prestigious journals. The long, slow, nearly directionless work pursued by some of the most influential scientists of the 20th century is no longer a viable career option. Under todays system, the father of genetic sequencing, Fred Sanger, who published very little in the two decades between his 1958 and 1980 Nobel prizes, may well have found himself out of a job.'' *** 

https://www.theguardian.com/science/2017/jun/27/profitable-business-scientific-publishing-bad-for-science?utm_term=2c12a8a836aa9bf09ff874f7a9eca33b&utm_campaign=TheLongRead&utm_source=esp&utm_medium=Email&CMP=longread_email

From owner-mathdep LISTSERV.HEANET.IE  Sun Mar 14 22:37:42 2021
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Subject: maths: DIAS Zoominar Wed March 17th at 14:30 speaker Madhusudhan Raman
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Dear Colleagues,
                 please join us for our upcoming Theoretical Physics Seminar on 
Wednesday March 17th by Madhusudhan Raman

Date: Wednesday 17th March
Time: 14:30
https://zoom.us/j/417720461?pwd=dTdNdXBpU2EweU9mM3VNWEUyU01odz09
Meeting ID: 417 720 461
Password: 107981

                     Madhusudhan Raman

       Tata Institute for Fundamental Research, Mumbai

Title: Chebyshev Wells, Automorphic Structures, and Resurgence

Abstract: We study the geometry and mechanics (both classical and quantum) 
of potential wells described by squares of Chebyshev polynomials. 
Classically, we show that these potentials can be put in a one-to-one 
correspondence with discrete subgroups of SL(2,R), and that its 
observables can be resummed into automorphic forms. Quantum mechanically, 
we show that in a small neighborhood of the locus cut out by them in the 
space of hyperelliptic curves, these systems exhibit low-orders/low-orders 
resurgence, where perturbative fluctuations about the vacuum determine 
perturbative fluctuations about nonperturbative saddles.

Upcoming:
Andrea Cappelli     Mar 24th
Mithat Unsal        Mar 31st
Miguel Montero      Apr  7th
Katrin Wendland     Apr 14th
Dario Bercioux      Apr 21st
David Huse          Apr 28th

Anastasia Volovich    May
Sakura Schafer-Nameki May

With best wishes,
Denjoe.

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 15 09:11:16 2021
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Subject: maths: Irish Geometry Seminar, Tuesday, 16 March, 2pm GMT
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--------------3C73CF1C9487779093596D2A
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Dear all,

This week's talk in the Irish Geometry Seminar will take place at *2pm 
on Tuesday, 16 March*.

-----------------------------
_Speaker:_ Masoumeh Zarei (Universität Augsburg)
_
__Title:_ Alexandrov spaces, symmetry and positive curvature
_
__Abstract:_ Alexandrov spaces are a generalization of Riemannian 
manifolds with a lower curvature bound.  It is then natural to ask to 
what extent one can generalize the basic results of the Riemannian 
manifolds with a lower curvature bound to Alexandrov spaces. In this 
talk, I will explore this question in the context of cohomogeneity one 
actions on positively curved Alexandrov spaces. I will explain some 
obstructions to the existence of an invariant metric of positive 
curvature on a cohomogeneity one Alexandrov space, and then I will give 
a classification of closed simply-connected cohomogeneity one Alexandrov 
spaces with positive curvature in dimensions at most 6. This is an 
ongoing project with Fernando Galaz-García.

_Zoom details:_
Direct link: 
https://nuigalway-ie.zoom.us/j/95219875196?pwd=aWUvekprdE9sMXkzYjMvdmw3RngyQT09

Meeting ID: 952 1987 5196
Passcode: 868792
-----------------------------

The full schedule of talks is available at 
http://www.maths.nuigalway.ie/~kerin/irishgeomseminar.shtml.

We're looking forward to you joining us.

All the best,
Martin


--------------3C73CF1C9487779093596D2A
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    Dear all,
    
    
    
    This week's talk in the Irish Geometry Seminar will take place at 2pm
      on Tuesday, 16 March.
    
    
    
    -----------------------------
    
    Speaker: Masoumeh Zarei (Universität Augsburg)
    
    
    
        Title: Alexandrov spaces, symmetry and positive curvature
    
    
    
        Abstract: Alexandrov spaces are a generalization of
    Riemannian manifolds with a lower curvature bound.  It is then
    natural to ask to what extent one can generalize the basic results
    of the Riemannian manifolds with a lower curvature bound to
    Alexandrov spaces. In this talk, I will explore this question in the
    context of cohomogeneity one actions on positively curved Alexandrov
    spaces. I will explain some obstructions to the existence of an
    invariant metric of positive curvature on a cohomogeneity one
    Alexandrov space, and then I will give a classification of closed
    simply-connected cohomogeneity one Alexandrov spaces with positive
    curvature in dimensions at most 6. This is an ongoing project with
    Fernando Galaz-García.
    
    
    
    Zoom details:
    
    Direct link:
https://nuigalway-ie.zoom.us/j/95219875196?pwd=aWUvekprdE9sMXkzYjMvdmw3RngyQT09
    
    
    
    Meeting ID: 952 1987 5196
    
    Passcode: 868792
    
    -----------------------------
    
    
    
    The full schedule of talks is available at
    http://www.maths.nuigalway.ie/~kerin/irishgeomseminar.shtml.
    
    
    
    We're looking forward to you joining us.
    
    
    
    All the best,
    
    Martin 
    
    
    
  


--------------3C73CF1C9487779093596D2A--

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From:         "Romina.Gaburro" 
Subject: Maths: MACSI Zoom seminar, Friday, March 19th at 15.00.
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--_000_AM6PR03MB3893787DF5DA17BCCAD0C8D9876C9AM6PR03MB3893eurp_
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Dear All,



the next MACSI Zoom seminar at the Department of Mathematics and Statistics=
, University of Limerick will be given by Cameron Hall  (University of Bris=
tol) this Friday the 19th of March. Please find below the details of the se=
minar.



The Meeting ID will be emailed on Friday morning.



Date:  Friday, March 19, 2021 at 15.00.


Speaker: Dr. Cameron Hall (Department of Engineering Mathematics, Universit=
y of Bristol, UK).


Title: Node-based approximation of contagion dynamics on networks.

Abstract: Contagion models on networks can be used to describe the spread o=
f information, rumours, opinions, and diseases through a population. In the=
 simplest contagion models, each node represents an individual that can be =
in one of a number of states (e.g. Susceptible, Infected, or Recovered), an=
d the states of the nodes evolve according to specified rules. Even with si=
mple Markovian models of transmission and recovery, it can be challenging t=
o compute the dynamics of contagion on large networks: running simulations =
can be slow, and the system of master equations is typically too large to b=
e tractable.



One approach to approximating contagion dynamics is to assume that each nod=
e state is independent of the neighbouring node states; this leads to a sys=
tem of ODEs for the node state probabilities (the =93first-order approximat=
ion=94) that always overestimates the speed of infection spread. This appro=
ach can be made more sophisticated by introducing pair approximations or hi=
gher-order moment closures, but this dramatically increases the size of the=
 system and slows computation. In this talk, I will present some alternativ=
e node-based approximations for contagion dynamics that Bram Siebert and I =
have been working on. The first of these is exact on trees with a single so=
urce of infection but will always underestimate the speed of infection spre=
ad on a network with loops. I will show how this can be combined with the c=
lassic first-order node-based approximation to obtain a node-based approxim=
ation that has similar accuracy to the pair approximation in some circumsta=
nces, but which is considerably faster to solve.



Further Information: If you have any questions regarding this seminar, plea=
se direct them to Romina Gaburro (061 2131930, romina.gaburro ul.ie

) or Clifford Nolan (061 202766, clifford.nolan ul.ie).



---------------------------------------------------------------------------=
-

Supported by Science Foundation Ireland funding, MACSI - the Mathematics Ap=
plications Consortium for Science and Industry (www.macsi.ul.ie), centred at the University of Limerick, is dedicated to the =
mathematical modelling and solution of problems which arise in science, eng=
ineering and industry in Ireland.



Best wishes,

Romina Gaburro and Cliff Nolan





--_000_AM6PR03MB3893787DF5DA17BCCAD0C8D9876C9AM6PR03MB3893eurp_
Content-Type: text/html; charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable








    
Dear All, 
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    
 
    

    
the next MACSI Zoom seminar at the Department of Mathe=
matics and Statistics, University of Limerick will be given by Cameron Hall=
 =
 (University
 of Bristol) this Friday the 19th of March.&n=
bsp;Please find below
 the details of the seminar. 
    

    
 
    

    
The Meeting ID will
 be emailed on Friday morning.  
    

    
 
    

    
Date:  Friday,
 March 19, 2021 at 15.00.
    

    

    

    

    
Speaker: Dr.
 Cameron Hall (Departm=
ent of Engineering Mathematics, University
 of Bristol, UK).  =
        
   
    

    

    

    

    
Title: Node-based
 approximation of contagion dynamics on networks.
    

    

    
Abstract: Contag=
ion
 models on networks can be used to describe the spread of information, rumo=
urs, opinions, and diseases through a population. In the simplest contagion=
 models, each node represents an individual that can be in one of a number =
of states (e.g. Susceptible, Infected,
 or Recovered), and the states of the nodes evolve according to specified r=
ules. Even with simple Markovian models of transmission and recovery, it ca=
n be challenging to compute the dynamics of contagion on large networks: ru=
nning simulations can be slow, and
 the system of master equations is typically too large to be tractable. 
    

    

    
 
    

    
One approach to approximating contagion dynamics is =
to assume that each node state is independent of the neighbouring node stat=
es; this leads to a system of ODEs
 for the node state probabilities (the =93first-order approximation=94) tha=
t always overestimates the speed of infection spread. This approach can be =
made more sophisticated by introducing pair approximations or higher-order =
moment closures, but this dramatically
 increases the size of the system and slows computation. In this talk, I wi=
ll present some alternative node-based approximations for contagion dynamic=
s that Bram Siebert and I have been working on. The first of these is exact=
 on trees with a single source of
 infection but will always underestimate the
 speed of infection spread on a network with loops. I will show how this ca=
n be combined with the classic first-order node-based approximation to obta=
in a node-based approximation that has similar accuracy to the pair approxi=
mation in some circumstances, but
 which is considerably faster to solve.
    


    

    

    

    

    

    

    

    

    

    

    

    

    
Further Information: If =
you have any questions regarding this seminar,
 please direct them to Romina Gaburro (061 2131930, <=
span style=3D"margin:0px; font-family:Calibri,Helvetica,sans-serif; font-si=
ze:12pt; color:purple">romina.gaburro ul.ie
    
) or Clifford Nolan (061 202766, <=
/span>clifford.nolan ul.ie).
    

    

    
 
    

    

    

    


    


    

    
----------------------------------------------------------------=
------------
    

    
    		

    
    

    

    

    

    

    

    

    
Supported by Science Foundation Ireland fund=
ing, MACSI - the Mathematics Applications Consortium for Scienc=
e
 and Industry (www.macsi.ul.i=
e),
 centred at the University of Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.
    

    
&nb=
sp;
    

    
Bes=
t wishes,
    

    
Rom=
ina Gaburro and Cliff Nolan
    

    

    
 
    

    

    
 
    

    

    

    

    

    

    

    

    

    

    

    

    



--_000_AM6PR03MB3893787DF5DA17BCCAD0C8D9876C9AM6PR03MB3893eurp_--

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Hello everyone,

The second mathematical physics journal club of this semester will be 
today at 2 p.m. It will be the second in a series of three based on 
integrability methods for scattering amplitudes.

Today - Anne Spiering will talk about pentagon methods based on 
1303.1396  and 2009.11297 


Next week: Monday 22nd March - Tristan McLoughlin will talk about 
octagons based on 2001.05460 

The link is the same as before:

Topic: TCD Mathematical Physics Journal Club
Time: 2PM on Mondays

Join Zoom Meeting
https://tcd-ie.zoom.us/j/97898127908?pwd=Q0ozUmkwNHcvOUF4Z1JUVkJaeEc4QT09 


Meeting ID: 978 9812 7908
Passcode: 940621

Best

Guy Jehu

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    Hello everyone,
    
    
    The second mathematical physics journal club of this semester
      will be today at 2 p.m. It will be the second in a series of three
      based on integrability methods for scattering amplitudes.
    
    
    Today - Anne Spiering will talk about pentagon methods based on 1303.1396 and 2009.11297
    
    
    Next week: Monday 22nd March - Tristan McLoughlin will talk about
      octagons based on 2001.05460
      
    
    
    
    
    The link is the same as before: 
    
    
    
    
    Topic: TCD Mathematical Physics Journal Club
    
      Time: 2PM on Mondays
    
      
    
      Join Zoom Meeting
    
      https://tcd-ie.zoom.us/j/97898127908?pwd=Q0ozUmkwNHcvOUF4Z1JUVkJaeEc4QT09
    
      
    
      Meeting ID: 978 9812 7908
    
      Passcode: 940621
    
    
    
    
    Best
    
    Guy Jehu
  


--------------4F1BA1300FDAB03E8AF316EE--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 15 11:33:14 2021
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From:         Seminars Maths NUIG 
Subject: Maths: Seminar this Thursday at NUIG: Five years after my PhD: life, work, and research
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Dear All,

We will have an online seminar this Thursday at 4pm.


Th=C3=A1i Anh Nhan

from Holy Names University, CA

will speak on

=E2=80=9CFive years after my PhD: life, work, and research=E2=80=9D

Abstract:  I graduated with my Ph.D. in 2015 under the supervision of Dr.
Niall Madden. In this talk, I will report a five-year pleasant adventure of
my life including the changes in life, work, and research. In particular,
for the research, I will discuss our recent result that answered a
decades-old question in the field of singularly perturbed differential
equations regarding the finite-difference analysis on the Bakhvalov mesh
for two-dimensional convection-diffusion problems.

Contact: Niall Madden



Join Zoom Meeting

https://nuigalway-ie.zoom.us/j/96256178155?pwd=3DQXIvRHNOVW9VU3R0dnRXR2E4cE=
tyQT09

Meeting ID: 962 5617 8155

Passcode: 125659



Coffee/tea/cakes/biscuits will be served online from 3:30.

https://nuigalway-ie.zoom.us/j/93500762481



Hoping to see you all there,



Haixuan and Michael



Future seminars are listed at
http://www.nuigalway.ie/science-engineering/school-of-maths/seminars/school=
seminar/

--000000000000b5f24005bd919c22
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    Dear All,
    


    We will have an online seminar this Thursday at 4pm.=


    


    Th=C3=A1i Anh Nhan 
    


    from Holy Names University, CA
    


    will speak on
    


    =E2=80=9CFive years after my PhD: life, work, and re=
search=E2=80=9D
    


    Abstract: =C2=A0I graduated
with my Ph.D. in 2015 under the supervision of Dr. Niall Madden. In this ta=
lk,
I will report a five-year pleasant adventure of my life including the chang=
es
in life, work, and research. In particular, for the research, I will discus=
s
our recent result that answered a decades-old question in the field of
singularly perturbed differential equations regarding the finite-difference
analysis on the Bakhvalov mesh for two-dimensional convection-diffusion
problems.
    


    Contact: Niall Madden
    


    =C2=A0
    


    Join Zoom Meeting
    


    https://nuigalway-ie.zoom.us/j/96=
256178155?pwd=3DQXIvRHNOVW9VU3R0dnRXR2E4cEtyQT09
    


    Meeting ID: 962 5617 8155
    


    Passcode: 125659
    


    =C2=A0
    


    Coffee/tea/cakes/biscuits will be served online from=
 3:30.
    


    https://nuigalway-ie.zoom.us/j/93500762481
    


    =C2=A0
    


    Hoping to see you all there,
    


    =C2=A0
    


    Haixuan and Michael
    


    =C2=A0
    


    Future seminars are listed at h=
ttp://www.nuigalway.ie/science-engineering/school-of-maths/seminars/schools=
eminar/
    

--000000000000b5f24005bd919c22--

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Subject: maths: Probability seminar, Wed 7th April 2021
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UCD School of Mathematics and Statistics - Seminar Notice=0D
=0D
 =0D
	Speaker: Andrey Dorogovtsev (Kiev)=0D
 =0D
	Title: Intermittency of local times and geometry of mass distribution in s=
tochastic flow=0D
=0D
 =0D
	Date: Wed 7th April 2021=0D
 =0D
	Time: 3:00PM=0D
 =0D
	Location: Online=0D
=0D
Abstract: In this talk we consider motion of the random curve in the space.=
 For description of such motion we use the stochastic differential equation=
 with interaction. Such equation allows to take into account the action of =
external forces on the parts of the curve and interaction between them. The=
 main question is the changing of the complexity of the curve with time. Fo=
r nonsmooth random curves like a trajectory of Brownian motion we consider =
possibility to contain an ordered polygonal line with the long edges and bi=
g number of vertices. In these cases the visitation measure for certain ima=
ges of the curve approximates discrete measures. This can serve as an expla=
nation of the intermittency of its density.  =0D
=0D
Zoom Link: =0D
https://ucd-ie.zoom.us/j/83491228915?pwd=3DWWV3ZkNGNzVXdGxLRlR0dkdMYUtMZz09=
 =0D
=0D
Meeting ID: 834 9122 8915 =0D
Passcode: 698437=0D
=0D
-------------------------------------------------------------=0D
For other seminars in the Probability series, see http://maths.ucd.ie/semin=
arseries/probability=0D
=0D
-------------------------------------------------------------=0D
The following formats the above notice so as to be included in the mathdep =
google calendar=0D
=0D
title:: Intermittency of local times and geometry of mass distribution in s=
tochastic flow=0D
content:: Andrey Dorogovtsev (Kiev) =0D
:: UCD Probability seminar (http://maths.ucd.ie/seminarseries/probability) =
=0D
location:: Online=0D
date-time:: Wed 7th April 2021 at 3:00PM=20=


----+--1615918139--+--
Content-Type: text/html; charset="utf-8"
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    UCD School of Mathematics and Statistics - Seminar Notice

    


    
 

    
	Speaker:  Andrey Dorogovtsev (Kiev)

    
 

    
	Title: Intermittency of local times and geometry of mass distribution in stochastic flow

    


    
 

    
	Date: Wed 7th April 2021

    
 

    
	Time: 3:00PM

    
 

    
	Location: Online

    


    
Abstract: In this talk we consider motion of the random curve in the space. For description of such motion we use the stochastic differential equation with interaction. Such equation allows to take into account the action of external forces on the parts of the curve and interaction between them. The main question is the changing of the complexity of the curve with time. For nonsmooth random curves like a trajectory of Brownian motion we consider possibility to contain an ordered polygonal line with the long edges and big number of vertices. In these cases the visitation measure for certain images of the curve approximates discrete measures. This can serve as an explanation of the intermittency of its density.  

    


    
Zoom Link: 

    
https://ucd-ie.zoom.us/j/83491228915?pwd=WWV3ZkNGNzVXdGxLRlR0dkdMYUtMZz09 

    


    
Meeting ID: 834 9122 8915 

    
Passcode: 698437

    


    
-------------------------------------------------------------

    
For other seminars in the Probability series, click http://maths.ucd.ie/seminarseries/probability

    


    
-------------------------------------------------------------

    
The following formats the above notice so as to be included in the mathdep google calendar

    


    
title:: Intermittency of local times and geometry of mass distribution in stochastic flow

    
content:: Andrey Dorogovtsev (Kiev) 

    
:: UCD Probability seminar (http://maths.ucd.ie/seminarseries/probability) 

    
location:: Online

    
date-time:: Wed 7th April 2021 at 3:00PM 
    
----+--1615918139--+----

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Subject: maths: Probability seminar, Wed 31st March 2021
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UCD School of Mathematics and Statistics - Seminar Notice=0D
=0D
 =0D
	Speaker: Alexander Drewitz (Cologne)=0D
 =0D
	Title: Critical exponents for a percolation model on transient graphs=0D
=0D
 =0D
	Date: Wed 31st March 2021=0D
 =0D
	Time: 3:00PM=0D
 =0D
	Location: Online=0D
=0D
Abstract: We consider the bond percolation problem on a transient weighted =
graph induced by the excursion sets of the Gaussian free field on the corre=
sponding cable system. Owing to the continuity of this setup and the strong=
 Markov property of the field on the one hand, and the links with potential=
 theory for the associated diffusion on the other, we rigorously determine =
the behavior of various key quantities related to the (near-)critical regim=
e for this model. In particular, our results apply in case the base graph i=
s the three-dimensional cubic lattice. They unveil the values of the associ=
ated critical exponents, which are explicit but not mean-field and consiste=
nt with predictions from scaling theory below the upper-critical dimension.=
=0D
=0D
This talk is based on joint works with A. Pr=E9vost (U Cambridge) and P.-F.=
 Rodriguez (Imperial College).=0D
=0D
Zoom Link: =0D
https://ucd-ie.zoom.us/j/83491228915?pwd=3DWWV3ZkNGNzVXdGxLRlR0dkdMYUtMZz09=
 =0D
=0D
Meeting ID: 834 9122 8915 =0D
Passcode: 698437=0D
=0D
-------------------------------------------------------------=0D
For other seminars in the Probability series, see http://maths.ucd.ie/semin=
arseries/probability=0D
=0D
-------------------------------------------------------------=0D
The following formats the above notice so as to be included in the mathdep =
google calendar=0D
=0D
title:: Critical exponents for a percolation model on transient graphs=0D
content:: Alexander Drewitz (Cologne) =0D
:: UCD Probability seminar (http://maths.ucd.ie/seminarseries/probability) =
=0D
location:: Online=0D
date-time:: Wed 31st March 2021 at 3:00PM=20=


----+--1616091783--+--
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    UCD School of Mathematics and Statistics - Seminar Notice

    


    
 

    
	Speaker:  Alexander Drewitz (Cologne)

    
 

    
	Title: Critical exponents for a percolation model on transient graphs

    


    
 

    
	Date: Wed 31st March 2021

    
 

    
	Time: 3:00PM

    
 

    
	Location: Online

    


    
Abstract: We consider the bond percolation problem on a transient weighted graph induced by the excursion sets of the Gaussian free field on the corresponding cable system. Owing to the continuity of this setup and the strong Markov property of the field on the one hand, and the links with potential theory for the associated diffusion on the other, we rigorously determine the behavior of various key quantities related to the (near-)critical regime for this model. In particular, our results apply in case the base graph is the three-dimensional cubic lattice. They unveil the values of the associated critical exponents, which are explicit but not mean-field and consistent with predictions from scaling theory below the upper-critical dimension.

    


    
This talk is based on joint works with A. Prévost (U Cambridge) and P.-F. Rodriguez (Imperial College).

    


    
Zoom Link: 

    
https://ucd-ie.zoom.us/j/83491228915?pwd=WWV3ZkNGNzVXdGxLRlR0dkdMYUtMZz09 

    


    
Meeting ID: 834 9122 8915 

    
Passcode: 698437

    


    
-------------------------------------------------------------

    
For other seminars in the Probability series, click http://maths.ucd.ie/seminarseries/probability

    


    
-------------------------------------------------------------

    
The following formats the above notice so as to be included in the mathdep google calendar

    


    
title:: Critical exponents for a percolation model on transient graphs

    
content:: Alexander Drewitz (Cologne) 

    
:: UCD Probability seminar (http://maths.ucd.ie/seminarseries/probability) 

    
location:: Online

    
date-time:: Wed 31st March 2021 at 3:00PM 
    
----+--1616091783--+----

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From:         Kazim Buyukboduk 
Subject: maths: Algebra and Number Theory seminar, Thu 25th Mar 2021
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UCD School of Mathematics and Statistics - Seminar Notice


	*Speaker:* Simeon Ball (UPC)

	*Title:* Additive codes over finite fields


	*Date:* Thu 25th Mar 2021

	*Time:* 3:30PM (Note the unusual time)

	*Location:* Online
*Abstract:* If [image: A] is an abelian group then we define an
additive code to be a code [image: C] with the property that for all
[image: u,v \in C], we have [image: u+v \in C]. If [image: A] is a
finite field then [image: C] is linear over some subfield of [image:
A], so we take [image: A=3D{\mathbb F}_{q^h}] and assume that [image: C]
is linear over [image: {\mathbb F}_q].

I will spend the first part of the talk talking about the geometry of
linear, additive and quantum stabiliser codes.

The second part of the talk (joint work with Michel Lavrauw and
Guillermo Gamboa) will concern additive MDS codes. An {\em MDS code}
[image: C] is a subset of [image: A^n] of size [image: |A|^k] in which
any two elements of [image: C] differ in at least [image: n-k+1]
coordinates. In other words, the minimum (Hamming) distance [image: d]
between any two elements of [image: C] is [image: n-k+1].

The trivial upper bound on the length [image: n] of a [image:
k]-dimensional additive MDS code over [image: {\mathbb F}_{q^h}] is

[image: n \leqslant q^h+k-1.]

The classical example of an MDS code is the Reed-Solomon code, which
is the evaluation code of all polynomials of degree at most [image:
k-1] over [image: {\mathbb F}_{q^h}]. The Reed-Solomon code is linear
over [image: {\mathbb F}_{q^h}] and has length [image: q^h+1].

The MDS conjecture states (excepting two specific cases) that an MDS
code has length at most [image: q^h+1]. In other words, there are no
better MDS codes than the Reed-Solomon codes.

We use geometrical and computational techniques to classify all
additive MDS codes over [image: {\mathbb F}_{q^h}] for [image: q^h \in
\{4,8,9\}]. We also classify the longest additive MDS codes over
[image: {\mathbb F}_{16}] which are linear over [image: {\mathbb
F}_4]. These classifications not only verify the MDS conjecture for
additive codes in these cases, but also confirm there are no additive
non-linear MDS codes which perform as well as their linear
counterparts.

In this talk, I will cover the main geometrical theorem that allows us
to obtain this classification and compare these classifications with
the classifications of all MDS codes of alphabets of size at most
[image: 8], obtained previously by Alderson (2006), Kokkala, Krotov
and =C3=96sterg=C3=A5rd (2015) and Kokkala and =C3=96sterg=C3=A5rd (2016).

*Zoom Link:* https://ucd-ie.zoom.us/j/5963025149

*Passcode:* The numerator of Riemann zeta at -11.

*Further information:* https://maths.ucd.ie/~kazim_b/UCD_ANT_Seminar.html

-------------------------------------------------------------
For other seminars in the Algebra and Number Theory series, see
http://maths.ucd.ie/seminarseries/Algebra

-------------------------------------------------------------
The following formats the above notice so as to be included in the
mathdep google calendar

title:: Additive codes over finite fields
content:: Simeon Ball (UPC)
:: UCD Algebra and Number Theory seminar
(http://maths.ucd.ie/seminarseries/Algebra)
location:: Online
date-time:: Thu 25th March 2021 at 3:30PM

--0000000000004509d905bddf06b4
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


    UC=
D School of Mathematics and Statistics - Seminar Notice

=20
	Speaker: Simeon Ball (UPC)
=20
	Title: Additive codes over finite fields

=20
	Date: Thu 25th Mar 2021
=20
	Time: 3:30PM (Note the unusual time)
=20
	Location: Online

Abstract: If 3D"A" is an abelian group then we =
define an additive code to be a code 3D"C" with the propert=
y that for all 3D"u,v, we=
 have 3D"u+v. If =3D"A" is a finite field then 3D"C" is lin=
ear over some subfield of 3D"A", so we take =3D"A=3D{\mathbb and assume that 3D"C" is linear over =3D"{\mathbb.
    I will spend the first part o=
f the talk talking about the geometry of linear, additive and quantum stabi=
liser codes.=C2=A0
    The second part of the talk (=
joint work with Michel Lavrauw and Guillermo Gamboa) will concern additive =
MDS codes. An {\em MDS code} 3D"C" is a subset of =3D"A^n"=
 of size 3D"|A|^k" in which any two elements o=
f 3D"C" differ in at least 3D"n-k+1" coordinates. In other words, the minimum (Hamming) distance  be=
tween any two elements of 3D"C" is 3D"n-k+1".=C2=A0
    The trivial upper bound on the length 3D"n" of a 3D"k"-dimensional addit=
ive MDS code over 3D"{\mathbb is
    3D"n
    The classical example of an MDS code is the Reed-Solomon c=
ode, which is the evaluation code of all polynomials of degree at most  over 3D"{\mathbb. The Reed-Solomon code is line=
ar over 3D"{\mathbb and has length 3D"q^h+1"=
.
    The MDS conj=
ecture states (excepting two specific cases) that an MDS code has length at=
 most 3D"q^h+1". In other words, there are=
 no better MDS codes than the Reed-Solomon codes.
    We use geometrical and computational te=
chniques to classify all additive MDS codes over 3D"{\mathbb for 3D"==
. We also classify the longest additive MDS codes over 3D"{\mathbb= which are linea=
r over 3D"{\mathbb=
. These classifications not only verify the MDS conjecture for additive cod=
es in these cases, but also confirm there are no additive non-linear MDS co=
des which perform as well as their linear counterparts.=C2=A0
    In this talk, I will cover =
the main geometrical theorem that allows us to obtain this classification a=
nd compare these classifications with the classifications of all MDS codes =
of alphabets of size at most 3D"8", obtained previousl=
y by Alderson (2006), Kokkala, Krotov and =C3=96sterg=C3=A5rd (2015) and Ko=
kkala and =C3=96sterg=C3=A5rd (2016).=C2=A0
    Zoom Link: https://ucd-ie.zoom.us/j/5963025149<=
/a> 
    Passcode: The numerator of Riemann zeta a=
t -11.

    Furt=
her information: https://maths.ucd.ie/~kazim_b/UCD_ANT_Seminar.ht=
ml=20

-------------------------------------------------------------
For other seminars in the Algebra and Number Theory series, see http://maths.u=
cd.ie/seminarseries/Algebra

-------------------------------------------------------------
The following formats the above notice so as to be included in the mathdep =
google calendar

title:: Additive codes over finite fields
content:: Simeon Ball (UPC)
:: UCD Algebra and Number Theory seminar (http://maths.ucd.ie/seminarseries/Al=
gebra)=20
location:: Online
date-time:: Thu 25th March 2021 at 3:30PM  
    

--0000000000004509d905bddf06b4--

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From:         "Romina.Gaburro" 
Subject: Maths: MACSI Zoom seminar, TODAY, March 19th at 15.00.
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Dear All,



the next MACSI Zoom seminar at the Department of Mathematics and Statistics=
, University of Limerick will be given by Cameron Hall  (University of Bris=
tol) TODAY, Friday the 19th of March. Please find below the details of the =
seminar.



Join Zoom Meeting
https://zoom.us/j/93971810936?pwd=3DWlRnUTdRYUtPYzZmVk1STlF4OTJWdz09

Meeting ID: 939 7181 0936
Passcode: 494976



Date:  Friday, March 19, 2021 at 15.00.



Speaker: Dr. Cameron Hall (Department of Engineering Mathematics, Universit=
y of Bristol, UK).

Title: Node-based approximation of contagion dynamics on networks.

Abstract: Contagion models on networks can be used to describe the spread o=
f information, rumours, opinions, and diseases through a population. In the=
 simplest contagion models, each node represents an individual that can be =
in one of a number of states (e.g. Susceptible, Infected, or Recovered), an=
d the states of the nodes evolve according to specified rules. Even with si=
mple Markovian models of transmission and recovery, it can be challenging t=
o compute the dynamics of contagion on large networks: running simulations =
can be slow, and the system of master equations is typically too large to b=
e tractable.



One approach to approximating contagion dynamics is to assume that each nod=
e state is independent of the neighbouring node states; this leads to a sys=
tem of ODEs for the node state probabilities (the =93first-order approximat=
ion=94) that always overestimates the speed of infection spread. This appro=
ach can be made more sophisticated by introducing pair approximations or hi=
gher-order moment closures, but this dramatically increases the size of the=
 system and slows computation. In this talk, I will present some alternativ=
e node-based approximations for contagion dynamics that Bram Siebert and I =
have been working on. The first of these is exact on trees with a single so=
urce of infection but will always underestimate the speed of infection spre=
ad on a network with loops. I will show how this can be combined with the c=
lassic first-order node-based approximation to obtain a node-based approxim=
ation that has similar accuracy to the pair approximation in some circumsta=
nces, but which is considerably faster to solve.





Further Information: If you have any questions regarding this seminar, plea=
se direct them to Romina Gaburro (061 2131930, romina.gaburro ul.ie

) or Clifford Nolan (061 202766, clifford.nolan ul.ie).



---------------------------------------------------------------------------=
-

Supported by Science Foundation Ireland funding, MACSI - the Mathematics Ap=
plications Consortium for Science and Industry (www.macsi.ul.ie), centred at the University of Limerick, is dedicated to the =
mathematical modelling and solution of problems which arise in science, eng=
ineering and industry in Ireland.



Best wishes,

Romina Gaburro and Cliff Nolan





--_000_AM6PR03MB38934A89DD7AFB447D1200FF87689AM6PR03MB3893eurp_
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Dear All, 
    

    

    

    

    

    

    

    

    
&=
nbsp;
    

    
the=
 next MACSI Zoom seminar at the Department of Mathematics and Sta=
tistics, University of Limerick will be given by Cameron Hall =
 (Univer=
sity
 of Bristol) TODAY, Friday the 19th of March. Please find=
 below the details of the seminar. 
    

    
&=
nbsp;
    

    

    
Join Zoom Meeting
    
https://zoom.us/j/93971810936?pwd=3DWlRnUTdRYUtP=
YzZmVk1STlF4OTJWdz09
    

    
Meeting ID: 939 7181 0936
    
Passcode: 494976
    

    

    
&nb=
sp;
    

    
=
Date:  Friday, March 19, 2021 at 15.00.
    

    
 
    

    
Speaker: Dr. Camero=
n Hall (Department
 of Engineering Mathematics, University of Bristol, UK).    =
         
    

    

    
Title: =
;Node-based
 approximation of contagion dynamics on networks.
    

    

    
    Abstract: Contagion models on net=
works
 can be used to describe the spread of information, rumours, opinions, and =
diseases through a population. In the simplest contagion models, each node =
represents an individual that can be in one of a number of states (e.g. Sus=
ceptible, Infected, or Recovered),
 and the states of the nodes evolve according to specified rules. Even with=
 simple Markovian models of transmission and recovery, it can be challengin=
g to compute the dynamics of contagion on large networks: running simulatio=
ns can be slow, and the system of
 master equations is typically too large to be tractable. 
    

    

    

    
&nb=
sp;
    

    
One=
 approach to approximating contagion dynamics is to assume that each node s=
tate is independent of the neighbouring node states; this leads to a system=
 of ODEs for the node state probabilities (the
 =93first-order approximation=94) that always overestimates the speed of in=
fection spread. This approach can be made more sophisticated by introducing=
 pair approximations or higher-order moment closures, but this dramatically=
 increases the size of the system and
 slows computation. In this talk, I will present some alternative node-base=
d approximations for contagion dynamics that Bram Siebert and I have been w=
orking on. The first of these is exact on trees with a single source of inf=
ection but will always underestimate =
the
 speed of infection spread on a network with loops. I will show how this ca=
n be combined with the classic first-order node-based approximation to obta=
in a node-based approximation that has similar accuracy to the pair approxi=
mation in some circumstances, but
 which is considerably faster to solve.
    

    

    
 
    

    

    
 
    

    

    

    
=
Further Information: If you have any questions regarding this&=
nbsp;seminar, please direct them to Romina Gaburro (061 2131930, romina.ga=
burro ul.ie
    

    
) o=
r Clifford Nolan (061 202766, clifford.nolan ul.ie).
    

    

    

    
&nb=
sp;
    

    

    

    


    


    

    
---=
-------------------------------------------------------------------------
    
    		

    
    

    

    

    

    

    
Sup=
ported by Science Foundation Ireland funding, MACSI - the Mathema=
tics Applications Consortium for Science and Industry (www.macsi.ul.ie),
 centred at the University of Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.
    

    
&nb=
sp;
    

    
Bes=
t wishes,
    

    
Rom=
ina Gaburro and Cliff Nolan
    

    

    
 
    

    

    
 
    

    

    

    

    

    

    



--_000_AM6PR03MB38934A89DD7AFB447D1200FF87689AM6PR03MB3893eurp_--

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Date:         Fri, 19 Mar 2021 10:35:03 +0000
Reply-To:     Niamh Cahill 
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From:         Niamh Cahill 
Subject: Maths: MU Maths&Stats Colloquium
Comments: To: MathsStatsStaff
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Dear colleagues,

The next Mathematics and Statistics Colloquium for this academic year takes=
 place Wednesday 24th March at 4pm. The talks will be held virtually this s=
emester via Microsoft Teams. Details of the talk and a link to join the mee=
ting are given below. All are welcome.

Very best wishes,
Niamh

___________________________________________________________________________=
_____

Speaker: Claire Mullen, University College Dublin.

Title: Mathematics Support in the time of COVID-19

Click to join: Click here to join the meeting

Abstract: The dramatic and swift changes brought on by COVID-19, in particu=
lar the move to fully online modes of teaching and learning for mathematics=
 and statistics support (MSS), have presented students and tutors with a ho=
st of new opportunities for thinking and working. We, at the Mathematics Su=
pport Centre at University College Dublin (UCD), Ireland, and the Mathemati=
cs Education Support Hub at Western Sydney University (WSU), Australia, con=
ducted a study aiming to gain insight from both MSS student users and tutor=
s about their experience of wholly online learning and teaching in the COVI=
D-19 era with particular emphasis on support. The study represents a =91per=
spectives=92 study, the idea being that before we examine specific aspects =
of this experience, it would be best to know what the issues are.  Employin=
g a qualitative analysis framework of 23 one-on-one interviews with tutors =
and students from both institutions in Australia and Ireland, we identified=
 five key themes as central to the shared experiences and perspectives of t=
he participants. In this talk I will give some background to previous onlin=
e mathematics support provision prior to the pandemic in both UCD and WSU. =
I will then discuss the identified themes in relation to the new normal wit=
h the intention of supporting MSS practitioners, researchers and students i=
n the future. The themes are; Usage of online MSS, Mathematics is different=
, Pedagogical Changes, Social Interactions, and the Future of online MSS.

___________________________________________________________________________=
___
Niamh Cahill, PhD
Lecturer/Assistant Professor
Maynooth University Department of Mathematics and Statistics








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    Dear colleagues,
    

     
    

    The next Mathematics and Statistics Colloquium for this=
 academic year takes place
Wednesday 24th
March at 4pm. The talks w=
ill be held virtually this semester via Microsoft Teams. Details of the tal=
k and a link to join the meeting are
 given below. All are welcome. 
    

     
    

    Very best wishes,

    

    Niamh

    

     
    

    __________________________________________________________________=
______________
    

     
    

    Speaker:
Claire Mullen, University College Dublin. 
    

     
    

    Title: Mathematics Support in the time of CO=
VID-19
    

     
    

    Click to join: Click
 here to join the meeting
    

     
    

    Abstract: The dramatic and swift changes bro=
ught on by COVID-19, in particular the move to fully online modes of teachi=
ng and learning for mathematics and statistics
 support (MSS), have presented students and tutors with a host of new oppor=
tunities for thinking and working. We, at the Mathematics Support Centre at=
 University College Dublin (UCD), Ireland, and the Mathematics Education Su=
pport Hub at Western Sydney University
 (WSU), Australia, conducted a study aiming to gain insight from both MSS s=
tudent users and tutors about their experience of wholly online learning an=
d teaching in the COVID-19 era with particular emphasis on support. The stu=
dy represents a =91perspectives=92 study,
 the idea being that before we examine specific aspects of this experience,=
 it would be best to know what the issues are.  Employing a qualitativ=
e analysis framework of 23 one-on-one interviews with tutors and students f=
rom both institutions in Australia and
 Ireland, we identified five key themes as central to the shared experience=
s and perspectives of the participants. In this talk I will give some backg=
round to previous online mathematics support provision prior to the pandemi=
c in both UCD and WSU. I will then
 discuss the identified themes in relation to the new normal with the inten=
tion of supporting MSS practitioners, researchers and students in the futur=
e. The themes are; Usage of online MSS, Mathematics is different, Pedagogic=
al Changes, Social Interactions,
 and the Future of online MSS.

    


    
_____________________________________________=
_________________________________
    

    

    Niamh Cahill, PhD
    

    Lecturer/Assistant Pr=
ofessor
    

    Maynooth University Department of Mathematics and =
Statistics
    


    

    

    

    

    

    

    

    

     
    

    



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From owner-mathdep LISTSERV.HEANET.IE  Fri Mar 19 11:12:17 2021
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Date:         Fri, 19 Mar 2021 11:11:46 +0000
Reply-To:     Christopher Boyd 
Sender:       UCD Maths Department Distribution List 
From:         Christopher Boyd 
Subject: maths: Analysis Seminar UCD (via Zoom) at 4.00pm on the 23rd of March
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Speaker: S. Gardiner

Title: Harmonic extension through conical surfaces


	Date: Tue 23rd March 2021

	Time: 4:00PM

	Location: Online

Abstract: This talk will describe an extension result for harmonic
functions which vanish on a conical surface.
The proof is based on expansions for the Green function of an
in=C3=A2=E2=82=AC=C2=A6finite cone. (Joint work with Hermann Render.)

https://ucd-ie.zoom.us/j/63881080170?pwd=3DaVA5cTNoV2RXYmlVZUNsWG5ZVG5RUT09

 title:: Harmonic extension through conical surfaces
content:: Stephen Gardiner
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis)
location:: Online
date-time:: Tue 23rd March 2021 at 4:00PM

--000000000000bdcbca05bde1c84e
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    Speaker: S. Gardiner
    Title: Harmonic=
 extension through conical surfaces

=20
	Date: Tue 23rd March 2021
=20
	Time: 4:00PM
=20
	Location: Online

Abstract: This talk will describe an extension result for harmonic function=
s which vanish on a conical surface. 
    The proof is based on expansions f=
or the Green function of an in=C3=A2=E2=82=AC=C2=A6finite cone. (Joint work=
 with Hermann Render.)


    https://ucd-ie.zoom.us/j/63881080170?pwd=3DaVA5cTNoV2R=
XYmlVZUNsWG5ZVG5RUT09

    =C2=A0title:: Harmonic extension through c=
onical surfaces
content:: Stephen Gardiner=20
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis)=20
location:: Online
date-time:: Tue 23rd March 2021 at 4:00PM  
    

--000000000000bdcbca05bde1c84e--

From owner-mathdep LISTSERV.HEANET.IE  Sun Mar 21 22:54:21 2021
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Date:         Sun, 21 Mar 2021 22:53:46 +0000
Reply-To:     "Denjoe O'Connor" 
Sender:       UCD Maths Department Distribution List 
From:         "Denjoe O'Connor" 
Subject: maths: DIAS Zoominar Wed March 24th at 14:30 speaker Andrea Cappelli
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Dear Colleagues,
                 please join us for our upcoming Theoretical Physics Seminar on
Wednesday March 24th by  Andrea Cappelli

Date: Wednesday 24th March
Time: 14:30
https://zoom.us/j/417720461?pwd=dTdNdXBpU2EweU9mM3VNWEUyU01odz09
Meeting ID: 417 720 461
Password: 107981

                        Andrea Cappelli

                        INFN Florence

Title: Self-dual Conformal Theory on the Surface of Topological Insulators

Abstract: The non-local Abelian gauge theory in (2+1) dimensions provides 
a bosonic description of massless fermions and anyons on the surface of 
(3+1)-dimensional topological insulators. The theory is non-trivial owing 
to its solitonic excitations with electric and magnetic charges. Upon 
rewriting it into a local theory in one extra dimension, we compute the 
partition function and the solitonic spectrum, thus showing conformal 
invariance and electric-magnetic self-duality.

Upcoming:
Mithat Unsal        Mar 31st
Miguel Montero      Apr  7th
Katrin Wendland     Apr 14th
Dario Bercioux      Apr 21st
David Huse          Apr 28th

Anastasia Volovich    May
Sakura Schafer-Nameki May

With best wishes,
Denjoe.

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 22 07:22:09 2021
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Date:         Mon, 22 Mar 2021 07:22:52 +0000
Reply-To:     Andrei Parnachev 
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From:         Andrei Parnachev 
Subject: maths: Dublin Theoretical Physics Colloquium, March 24
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--000000000000d56d3205be1aea32
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DUBLIN THEORETICAL PHYSICS COLLOQUIUM

Wednesday, 24 March  2021, 16:00



Speaker: Moshe Rozali (University of British Columbia)

Title: Eigenstate Thermalization and Disorder Averaging in Gravity





Abstract: We reconsider the problem of bounding higher derivative couplings
in consistent weakly coupled gravitational theories, starting from general
assumptions about analyticity and Regge growth of the S-matrix. Higher
derivative couplings are expected to be of order one in the units of the UV
cutoff. Our approach justifies this expectation and allows to prove precise
bounds on the order one coefficients. Our main tool are dispersive sum
rules for the S-matrix. We overcome the difficulties presented by the
graviton pole by measuring couplings at small impact parameter, rather than
in the forward limit. We illustrate the method in theories containing a
massless scalar coupled to gravity, and in theories with maximal
supersymmetry.





 All are welcome to join us online, see zoom details below.



Topic: Dublin Theoretical Physics Colloquium
Time: Mar 24, 2021 04:00 PM Dublin

Join Zoom Meeting
https://tcd-ie.zoom.us/j/91691118327?pwd=QmF2QTVUb2p0dFNlY2xsQkM1SVdLdz09

Meeting ID: 916 9111 8327
Passcode: 910424


=====================



title:: Dublin Theoretical Physics Colloquium

content:: Moshe Rozali (University of British Columbia)

:: Eigenstate Thermalization and Disorder Averaging in Gravity

date-time:: 24 March 2021 at 16:00

location:: Online

endevent::

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Content-Transfer-Encoding: quoted-printable



    =


    =

    <=
div dir=3D"ltr">

    <=
div dir=3D"ltr">
    DUBLIN THEORETICAL =
PHYSICS COLLOQUIUM
    Wednesday, 24 Ma=
rch =C2=A02021, 16:00
    =C2=A0=

    Speaker:=C2=A0Moshe Rozali (University of British Columbia)
    Title:=C2=A0Eigenstate Thermali=
zation and Disorder Averaging in Gravity



    =
=C2=A0
    Abstract:=C2=A0We reconsider the problem of bounding highe=
r derivative couplings in consistent weakly coupled gravitational theories,=
 starting from general assumptions about analyticity and Regge growth of th=
e S-matrix. Higher derivative couplings are expected to be of order one in =
the units of the UV cutoff. Our approach justifies this expectation and all=
ows to prove precise bounds on the order one coefficients. Our main tool ar=
e dispersive sum rules for the S-matrix. We overcome the difficulties prese=
nted by the graviton pole by measuring couplings at small impact parameter,=
 rather than in the forward limit. We illustrate the method in theories con=
taining a massless scalar coupled to gravity, and in theories with maximal =
supersymmetry.



    =C2=A0
    =C2=A0Al=
l are welcome to join us online, see zoom details below.
    <=
p class=3D"MsoNormal">

    T=
opic: Dublin Theoretical Physics Colloquium
    Time: Mar=
 24, 2021 04:00 PM Dublin

    =
Join Zoom Meeting

    Meeting ID: 916 9111 8327=

    Passcode: 910424


    =3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
    =C2=A0
    title:: Dublin Theoretical=
 Physics Colloquium
    content::=C2=A0=
Moshe Rozali (University of British Columbia)
    ::=C2=A0Eigenstate Thermalization and Disor=
der Averaging in Gravity
    date-time:: 24 Ma=
rch 2021 at 16:00
    location:: Online=

    endevent::
    =C2=A0
    =C2=
=A0
    

    

    

    

    

    

    

    

--000000000000dd3b3905bea7d68a--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 29 09:00:45 2021
Return-Path: 
Date:         Fri, 26 Mar 2021 10:20:15 +0000
Reply-To:     "Kerin, Martin" 
Sender:       UCD Maths Department Distribution List 
From:         "Kerin, Martin" 
Subject: maths: Reminder: Irish Geometry Seminar **29 March, 3pm** (today!)
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--_000_VI1PR01MB467091BEE5A1AD4744394407F7619VI1PR01MB4670eurp_
Content-Type: text/plain; charset="Windows-1252"
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Dear all,

This is just a reminder that this week's talk in the Irish Geometry Seminar=
 takes place at 3pm today, Monday 29 March.

-----------------------------
Speaker: Joel Fine (Universit=E9 Libre de Bruxelles)

Title: Knots, minimal surfaces and J-holomorphic curves

Abstract: The asymptotic Plateau problem is as follows: given a submanifold=
 K in the n-sphere, is there a minimal submanifold in (n+1)-dimensional hyp=
erbolic space whose ideal boundary is K? I will explain how solving this pr=
oblem when K is a knot or link in the 3-sphere leads to a knot invariant: t=
he number of genus g minimal surfaces filling K depends on K only up to iso=
topy. This count of minimal surfaces is actually an example of a Gromov-Wit=
ten type invariant: minimal surfaces in H^4 lift to J-holomorphic curves in=
 the twistor space. It is possible to combine these counts of minimal surfa=
ces into a single polynomial invariant of the link. To finish, I will expla=
in a conjecture, that this =93minimal surface polynomial=94 is in fact the =
HOMFLYPT polynomial of the bounding link K. The HOMFLYPT polynomial is easy=
 to calculate from a diagram of the link; the conjecture would then mean th=
is simple combinatorial calculation gives existence results for minimal sur=
faces in H^4 filling K. This is joint work with Marcelo Alves.

Zoom details:
Direct link: https://nuigalway-ie.zoom.us/j/95219875196?pwd=3DV0RPZVAzREN6K=
2tzaS9pTkdoQVVYZz09

Meeting ID: 952 1987 5196
Passcode: 845497
-----------------------------

The full schedule of talks is available at http://www.maths.nuigalway.ie/~k=
erin/irishgeomseminar.shtml.

We're looking forward to you joining us.

All the best,
Martin

--_000_VI1PR01MB467091BEE5A1AD4744394407F7619VI1PR01MB4670eurp_
Content-Type: text/html; charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable








    
Dear all,
    

    

    

    

    
This is just a reminder that this week's talk in the Irish Geometry Se=
minar takes place at
3pm today, Monday 29 March.=

    

    

    

    

    
-----------------------------

    Speaker: Joel Fine (Universit=E9 Libre de Bruxelles)
    


    

    

    Title: Knots, minimal surfaces and J-holomorphic curves
    


    

    

    Abstract: The asymptotic Plateau problem is as follows: given a subman=
ifold K in the n-sphere, is there a minimal submanifold in (n+1)-dimensiona=
l hyperbolic space whose ideal boundary is K? I will explain how solving th=
is problem when K is a knot or link
 in the 3-sphere leads to a knot invariant: the number of genus g minimal s=
urfaces filling K depends on K only up to isotopy. This count of minimal su=
rfaces is actually an example of a Gromov-Witten type invariant: minimal su=
rfaces in H^4 lift to J-holomorphic
 curves in the twistor space. It is possible to combine these counts of min=
imal surfaces into a single polynomial invariant of the link. To finish, I =
will explain a conjecture, that this =93minimal surface polynomial=94 is in=
 fact the HOMFLYPT polynomial of the
 bounding link K. The HOMFLYPT polynomial is easy to calculate from a diagr=
am of the link; the conjecture would then mean this simple combinatorial ca=
lculation gives existence results for minimal surfaces in H^4 filling K. Th=
is is joint work with Marcelo Alves.
    


    

    

    Zoom details:
    

    Direct link: https://nuigalway-ie.zoom.us/j/95219875196?pwd=3DV0RPZVAz=
REN6K2tzaS9pTkdoQVVYZz09
    


    

    

    Meeting ID: 952 1987 5196
    

    Passcode: 845497
    

    -----------------------------
    


    

    

    The full schedule of talks is available at http://www.maths.nuigalway.=
ie/~kerin/irishgeomseminar.shtml.
    


    

    

    We're looking forward to you joining us.
    


    

    

    All the best,
    
Martin 
    

    



--_000_VI1PR01MB467091BEE5A1AD4744394407F7619VI1PR01MB4670eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 29 11:09:14 2021
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Date:         Mon, 29 Mar 2021 11:08:38 +0100
Reply-To:     Andrew Keane 
Sender:       UCD Maths Department Distribution List 
From:         Andrew Keane 
Subject: Applied Mathematics Seminar (UCC): Johannes Jakob Lohmann (01.04.2021, 12:00, via MS Teams)
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--------------5E8D1F064F69F357BA1C72BF
Content-Type: text/plain; charset=windows-1252; format=flowed
Content-Transfer-Encoding: 7bit

title:: Applied Mathematics Seminar (University College Cork)
content:: Johannes Jakob Lohmann (University of Copenhagen) will speak on
:: Predictability of the climate in the presence of tipping points
:: For further information see:
::https://www.ucc.ie/en/matsci/events/appliedmathematicsseminarstalks2020-2021/
date-time:: 1st April 2021 at 12:00
location:: MS Teams: contact Andrew Keane (andrew.keane ucc.ie) for details
endevent::

--------------5E8D1F064F69F357BA1C72BF
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    title:: Applied
        Mathematics Seminar (University College Cork)
    
    
      
    
        
    
          
    
            
    
              
    
                
    
                  
    
                    
    content:: Johannes
                        Jakob Lohmann (University of Copenhagen) will
                        speak on
    
                    
    :: Predictability of the
                        climate in the presence of tipping points
                        
    
                    
    :: For further information
                      see:
    
                    
                    
    date-time:: 1st April 2021
                      at 12:00
    
                    
    
                    
    location:: MS Teams: contact
                      Andrew Keane (andrew.keane ucc.ie)
                      for details
    
                    
    
                    endevent::
    
                
    
              
    
            
    
          
    
        
    
      
    
    
    
  


--------------5E8D1F064F69F357BA1C72BF--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 29 12:35:11 2021
Return-Path: 
Date:         Mon, 29 Mar 2021 12:34:37 +0100
Reply-To:     "Denjoe O'Connor" 
Sender:       UCD Maths Department Distribution List 
From:         "Denjoe O'Connor" 
Subject: maths: DIAS Zoominar Wed March 31st at 14:30 speaker Mithat Unsal
To:           MATHDEP LISTSERV.HEANET.IE
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Dear Colleagues,
                 please join us for our upcoming Theoretical Physics Seminar on
Wednesday March 31st by Mithat Unsal

Date: Wednesday 31st March
Time: 14:30
https://zoom.us/j/417720461?pwd=dTdNdXBpU2EweU9mM3VNWEUyU01odz09
Meeting ID: 417 720 461
Password: 107981

                        Mithat Unsal

                North Carolina State University

Title: Semi-Abelian gauge theories, non-invertible symmetries, and
string tensions beyond N-ality

Abstract:  We introduce a class of gauge theories whose gauge group is 
semi-direct product of a continuous abelian and discrete non-abelian gauge 
groups.  We call this class as semi-abelian theories.  These theories may 
also be viewed as coupling of topological QFT to a gauge theory.  This 
class differ from other knowns calculable theories (such as Polyakov, 
Seiberg-Witten, QCD(adj)) as the non-abelian part is unhiggsed, and as 
such, its properties are closer to pure Yang-Mills theory. In a 3d example 
I will describe, mass gap and string tensions are calculable.  String 
tensions do not obey N-ality rule. We describe this phenomenon by a new 
exotic non-invertible symmetry, which do not form a group structure but 
genuine 1-form symmetry of the theory.  We expect that non-invertible 
symmetry plays a prominent role both in Yang-Mills theory and QCD with 
fundamental fermions, and may provide a precise criterion for confinement 
in theories without exact center symmetry.


Upcoming:
Miguel Montero      Apr  7th
Katrin Wendland     Apr 14th
Dario Bercioux      Apr 21st
David Huse          Apr 28th

Anastasia Volovich    May
Sakura Schafer-Nameki May

With best wishes,
Denjoe.

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar 30 08:11:59 2021
Return-Path: 
Date:         Tue, 30 Mar 2021 08:11:31 +0100
Reply-To:     =?utf-8?Q?=C3=81ine_Byrne?= 
Sender:       UCD Maths Department Distribution List 
From:         =?utf-8?Q?=C3=81ine_Byrne?= 
Subject: math: UCD Applied & Computational Mathematics Seminar, April 1, at 11am
To:           MATHDEP LISTSERV.HEANET.IE
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--Apple-Mail=_0F9F081A-6F27-4607-BA60-9E79DF93B177
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	charset=utf-8

Dear all,
(Apologies for cross-posting)

The UCD Applied and Computational Maths Seminar Series =
(https://maths.ucd.ie/ACMSeminars/2021/ =
) continues on Zoom next =
Thursday April 1, at 11am. James Herterich (UCD) will present his recent =
work on modelling road cycling.

Please see below for the seminar details and Zoom link/password. We look =
forward to welcoming you on Thursday.

Best wishes,
=C3=81ine Byrne

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
UCD Applied & Computational Mathematics Seminar   =20
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Speaker: James Herterich (University College Dublin)=20
Time: Thursday, April 1 at 11am
Location:: Zoom (meeting ID: 933 1387 1404, password: 040190) =
https://ucd-ie.zoom.us/j/93313871404?pwd=3Dc3BDZUdVZHExQlNJcmxPOTFDY2FoUT0=
9 =

Title: Motion on a curve: modelling road cycling=20

Abstract:=20
We present a model for road cycling based on motion on a curve. The =
Frenet-Serret frame provides a convenient setting. Many of the forces =
involved point in these natural directions and we obtain important =
descriptive parameters for the route such as curvature. We develop a =
framework allowing for control of motion on a prescribed route.

We'll discuss (i) a brief topical introduction to the science around =
cycling, (ii) a description of the model, and (iii) interpretations from =
the model regarding pedalling and braking on meandering routes.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Information to be added to the mathdep calendar
title:: UCD Applied & Computational Mathematics Seminar   =20
location:: Zoom (meeting ID: 933 1387 1404, contact =C3=81ine Byrne =
(aine.byrne ucd.ie ) for password)
date-time:: 1st April 2021 at 11:00
content:: James Herterich (UCD) will present his recent work on =
modelling road cycling. See the seminar webpage for more details =
https://maths.ucd.ie/ACMSeminars/2021/ =



--Apple-Mail=_0F9F081A-6F27-4607-BA60-9E79DF93B177
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html;
	charset=utf-8


    Dear all,
    (Apologies for =
cross-posting)

    The UCD Applied and Computational Maths Seminar Series (https://maths.ucd.ie/ACMSeminars/2021/) continues on =
Zoom next Thursday April 1, at 11am. James Herterich (UCD) will present =
his recent work on modelling road cycling.

    Please see below for the seminar =
details and Zoom link/password. We look forward to welcoming you on =
Thursday.

    Best =
wishes,
    =C3=81ine Byrne

    =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
    UCD Applied & Computational Mathematics Seminar   =
 
    =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

    Speaker: James =
Herterich (University College Dublin) 
    Time: Thursday, April 1 at 11am
    Location:: Zoom (meeting ID: 933 1387 =
1404, password: 040190) https://ucd-ie.zoom.us/j/93313871404?pwd=3Dc3BDZUdVZHExQlNJcmxPOTFD=
Y2FoUT09
    Title: Motion =
on a curve: modelling road cycling 

    Abstract: 
    We present a model =
for road cycling based on motion on a curve. The Frenet-Serret frame =
provides a convenient setting. Many of the forces involved point in =
these natural directions and we obtain important descriptive parameters =
for the route such as curvature. We develop a framework allowing =
for control of motion on a prescribed route.

    We'll discuss (i) a brief topical introduction to the science =
around cycling, (ii) a description of the model, and (iii) =
interpretations from the model regarding pedalling and braking on =
meandering routes.

    =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

    Information to be added to the mathdep =
calendar
    title:: UCD Applied & Computational Mathematics Seminar   =
 
    location:: =
Zoom (meeting ID: 933 1387 1404, contact =C3=81ine Byrne =
(aine.byrne ucd.ie) for password)
    date-time:: 1st April =
2021 at 11:00
    content:: James Herterich (UCD) will present his recent work =
on modelling road cycling. See the seminar webpage =
for more details https://maths.ucd.ie/ACMSeminars/2021/
    <=
/pre>

    =

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As part of the DIAS Summer Studentships programme the School of 
Theoretical Physics of the Dublin Institute for Advanced Studies is 
delighted  to be in a position to offer at least 4 Summer Studentships.

The stipend is for a total scholarship of €3,000 and covers a two month 
internship from the beginning of June until the end of July.

A successful candidate should be in line for a 1st class honours degree, 
have an interest in a research career in Theoretical Physics or 
Mathematics and be completing their 3rd year at an Irish higher 
education institution.

Please apply here > https://www.dias.ie/positions/index.php?p=1616689149

DIAS is committed to gender balance, inclusion and diversity.

STP offers the opportunity to pursue junior research projects in quantum 
gravity, quantum field theory, string and M-theory, condensed matter 
physics and topics related to quantum computing.
The closing date for applications is 5pm on Friday April 23rd . 
Successful candidates will be notified by email later in May.

The application should consist of

i) a CV (max 2 pages),
ii) a statement of why the applicant wants to pursue a career in the 
relevant research area (max 1 page),
iii) a letter from the head of department or other senior person in  the 
department supporting the application and stating that the candidate is 
in line for a 1st class honours degree,
iv) the application and letter should be uploaded as a pdf file (please 
do not use other formats) before 5pm on April 23rd.

-- 
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Dear All,

Tomorrow Wednesday, 2nd of March at 4pm we will have our next Dublin 
Theoretical Physics Colloquium

Title: Bootstrap of the KLT Double-Copy
Speaker: Henriette Elvang (Univ. of Michigan)

Abstract: In field theory, the "double copy" can be thought of as a
multiplicative map between tree amplitudes of two field theories into
tree amplitudes of another theory. The origin of the map is string
theory, but from a bottom-up Effective Field Theory approach, a
natural question is if there exists other versions of the double-copy
map? In the talk I will review the double copy and a novel recent
approach to generalize it. I will discuss some new algebraic
structures that this "bootstrap" of the double-copy entails.

https://tcd-ie.zoom.us/j/91438990604?pwd=a0JsY21hRWZpUTJpenN2TW4zM2tEZz09

Meeting ID: 914 3899 0604
Passcode: 716320

See you all there,
Best,
Ana, Marius, Fabrizio

PS.: You can check the next Colloquiums and Seminars in the website:
https://sites.google.com/view/tcd-colloquiums-and-seminars/home

PS.: If you missed any of the previous Colloquiums, you can watch them
in our Youtube channel
https://www.youtube.com/channel/UCh1QXrSmsPuxgdB_cJfAKbw

title:: Dublin Theoretical Physics Colloquium
content:: Henriette Elvang (Univ. of Michigan)
:: Bootstrap of the KLT Double-Copy::
date-time:: 2nd of March 2022 at 4pm

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Date:         Tue, 1 Mar 2022 10:20:54 +0000
Reply-To:     Galatia Cleanthous 
Sender:       UCD Maths Department Distribution List 
From:         Galatia Cleanthous 
Subject: Maths: MU Maths&Stats Colloquium
Comments: To: MathsStatsStaff
          ,
          Theoretical Physics ,
          mathsstatspgresearch
          
Comments: cc: ANTHONY THOMAS GIBBONS 
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Dear colleagues,

This is a reminder that:

The next Mathematics and Statistics Colloquium for this academic year takes=
 place Wednesday 2nd March at 3pm.

The talk will be held on campus in MS2 Logic House. Details of the talk are=
 given below.

All are welcome!

BR,
G

__________________________________________________________________________

Speaker: Dr Sarah Heaps, Department of Mathematical Sciences, Durham Univer=
sity

Title: Enforcing stationarity through the prior in vector autoregressions

Abstract:
Stationarity is a very common assumption in time series analysis. A vector =
autoregressive process is stationary if and only if the roots of its charac=
teristic equation lie outside the unit circle, constraining the autoregress=
ive coefficient matrices to lie in the stationary region. However, the stat=
ionary region has a highly complex geometry which impedes specification of =
a prior distribution. In this work, an unconstrained reparameterization of =
a stationary vector autoregression is presented. The new parameters are par=
tial autocorrelation matrices, which are interpretable, and can be transfor=
med bijectively to the space of unconstrained square matrices through a sim=
ple mapping of their singular values. This transformation preserves various=
 structural forms of the partial autocorrelation matrices and readily facil=
itates specification of a prior. Properties of this prior are described alo=
ng with an important special case which is exchangeable with respect to the=
 order of the elements in the observation vector. Posterior inference and c=
omputation are described and implemented using Hamiltonian Monte Carlo via =
Stan. The prior and inferential procedures are illustrated with an applicat=
ion to a macroeconomic time series which highlights the benefits of enforci=
ng stationarity and encouraging shrinkage towards a sensible parametric str=
ucture.


Galatia Cleanthous
Assistant Professor
National University of Ireland,
Maynooth
Home (google.com)

[cid:9990c826-4053-423d-980a-fdb3db7c99d8]


--_000_DB9PR02MB65377082DFADF8AC9845570389029DB9PR02MB6537eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable








    
Dear
 colleagues,=


    

    

    

    

    

    

    

    

    

    

    

    

    


    

    

    This is a reminder that:


    

    

    The nex=
t Mathematics and Statistics Colloquium for this academic year takes place<=
/span> Wednesday 2nd Ma=
rch
 at 3pm. <=
/div>


    

    

    The tal=
k will be held on campus in MS2 =
Logic House. Details of the talk are given below.
    


    

    

    All are=
 welcome!
    


    

    

    BR,  
    
G
    


    

    

    ________________________________=
__________________________________________


    

    
Speaker: Dr Sarah Heaps, Department =
of Mathematical Sciences, Durham University
    


    

    
T=
itle: Enforcing stationarity through the prior in vector autoregre=
ssions
    


    

    

    Abstract:

    Stationarity is a very common assumption in time =
series analysis. A vector autoregressive process is stationary if and only =
if the roots of its characteristic equation lie outside the unit circle, co=
nstraining the autoregressive coefficient
 matrices to lie in the stationary region. However, the stationary region h=
as a highly complex geometry which impedes specification of a prior distrib=
ution. In this work, an unconstrained reparameterization of a stationary ve=
ctor autoregression is presented.
 The new parameters are partial autocorrelation matrices, which are interpr=
etable, and can be transformed bijectively to the space of unconstrained sq=
uare matrices through a simple mapping of their singular values. This trans=
formation preserves various structural
 forms of the partial autocorrelation matrices and readily facilitates spec=
ification of a prior. Properties of this prior are described along with an =
important special case which is exchangeable with respect to the order of t=
he elements in the observation vector.
 Posterior inference and computation are described and implemented using Ha=
miltonian Monte Carlo via Stan. The prior and inferential procedures are il=
lustrated with an application to a macroeconomic time series which highligh=
ts the benefits of enforcing stationarity
 and encouraging shrinkage towards a sensible parametric structure.
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    Galatia Cleanthous
    

    

    Assistant Professor
    

    

    National University of Ireland,
    
Maynooth
    
Home (google.c=
om)
    

    


    

    

    

    

    



--_000_DB9PR02MB65377082DFADF8AC9845570389029DB9PR02MB6537eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar  1 16:51:23 2022
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Reply-To:     "Denjoe O'Connor" 
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From:         "Denjoe O'Connor" 
Subject: maths:DIAS Zoominar Wed March 2nd (NOTE DATE) 14:30 speaker Zlatko Papic
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Dear Colleagues,
                 please join us for our upcoming Theoretical Physics Seminar on 
Wednesday March 2nd by Zlatko Papic

Please NOTE DATE is Wed March 2nd.

Date: Wednesday March 2nd
Seminar Time: 14:30
https://us02web.zoom.us/j/6199730148?pwd=SjVGcTJWQmZZNndHenMyRStsL0lKdz09
Meeting ID: 619 973 0148
Passcode: 122512

                       Zlatko Papic
                    University of Leeds

Title: Non-equilibrium dynamics of fractional quantum Hall states

Abstract: For nearly four decades, fractional quantum Hall (FQH) states 
have continued to fuel a broad interest in topological phases of matter 
and their unique properties such as fractionalisation, protected edge 
excitations, and exotic quasiparticles. However, out-of-equilibrium 
dynamics of FQH phases remains an uncharted territory, as its 
understanding is inextricably linked with the geometrical properties of 
such systems that are beyond the remit of purely-topological quantum field 
theories. In this talk I will present our recent works on studying 
non-equilibrium response of FQH systems to a geometric quench — the sudden 
deformation of the manifold that the FQH state lives in. I will show that 
these special types of quenches have several unique applications: (i) they 
directly probe the Girvin-MacDonald-Platzman collective mode, recently 
identified as an analog of the FQH “graviton” excitation in the 
long-wavelength limit; (ii) when the FQH system is squeezed along one 
direction, its dynamics bears some parallels with quantum-scarred systems 
and it can be efficiently implemented on noisy intermediate scale (NISQ) 
quantum hardware; (iii) geometric quench provides a window into the 
elusive parton nature of the FQH effect that only becomes visible at high 
energies, reminiscent of the emergence of quarks in high-energy particle 
accelerators.

With best wishes,
Denjoe.
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From owner-mathdep LISTSERV.HEANET.IE  Thu Mar  3 16:56:07 2022
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Date:         Thu, 3 Mar 2022 16:55:22 +0000
Reply-To:     Brien Nolan 
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From:         Brien Nolan 
Subject: maths: CASTeL 9th STEM Education Research Conference (SMEC '22)
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Colleagues working in maths education research may be interested in this
conference.
Brien

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
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=3D=3D=3D
CASTeL 9th STEM Education Research Conference (SMEC)

24th - 25th June 2022

=E2=80=9CRegenerating STEM Education =E2=80=93 Growing back better=E2=80=9D

The Centre for the Advancement of STEM Teaching and Learning
(CASTeL) invites researchers, teachers, students, policymakers and other
members of the STEM learning ecosystem
 to Dublin City University on 24-25 June 2022
to its flagship conference. Here we aim to
help debate, discuss and share visions for how we can =E2=80=9CRegenerate
STEM education=E2=80=9D such that we can =E2=80=9Cgrow back better=E2=80=9D=
 in the service of
improving environments and outcomes for learners and teachers.

Join us to see how you can grow, develop and interrogate your
research practice in the community of your peers.

*What:* The 9th SMEC conference
*When: *June 24th-25th
*Where: *Dublin City University
*How:* Get involved by submitting an abstract by March 14th

Visit smec.castel.ie/  to find out more

--=20
*******************************
Leas-D=C3=A9an | D=C3=A1mh na hEola=C3=ADochta agus Sl=C3=A1inte
Ollamh Comhlach | Scoil na nEola=C3=ADochta=C3=AD Matamaitice
Ollscoil Chathair Bhaile =C3=81tha Cliath

Deputy Dean | Faculty of Science and Health
Associate Professor | School of Mathematical Sciences
Dublin City University

Chair, MSc in Astrophysics and Relativity

| CfAR  | CASTeL 
brien.nolan dcu.ie | +353-1-700-5778

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--0000000000003396b505d9534487
Content-Type: text/html; charset="UTF-8"
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    Colleagues working in maths education research may be intere=
sted in this conference.=C2=A0
    Brien=C2=A0

    =3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D
    CASTeL 9th STEM Education Research Conference (SMEC)

    24th - 25th June 2022

    =E2=80=9CRegenerating STEM E=
ducation =E2=80=93 Growing back better=E2=80=9D

    The Centre for the A=
dvancement of STEM Teaching and Learning
    (CASTeL) invites researchers, t=
eachers, students, policymakers and other members of the STEM learning ecos=
ystem=C2=A0
    =C2=A0to Dublin City University on 24-25 June 2022
    to its flagship conference. Here we aim to
    help debate, discuss and =
share visions for how we can =E2=80=9CRegenerate
    STEM education=E2=80=9D=
 such that we can =E2=80=9Cgrow back better=E2=80=9D in the service of
    i=
mproving environments and outcomes for learners and teachers.

    J=
oin us to see how you can grow, develop and interrogate your
    research pr=
actice in the community of your peers.

    What:=C2=A0The 9t=
h SMEC conference
    When:=C2=A0June 24th-25th
    Where:=C2=A0Dublin City University
    How:=C2=A0Get involved by submitting an a=
bstract by March 14th

    Visit=C2=A0smec.castel.ie/=C2=A0to find out more

    -- 
    *******************************
    <=
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hEola=C3=ADochta=C2=A0agus=C2=A0Sl=C3=A1inte=C2=A0
    Ollamh Comhlach | Scoil na nEola=C3=ADochta=C3=AD Matamai=
tice
    Ollscoil=C2=A0Chathair=C2=A0Bhaile=C2=A0=C3=
=81tha=C2=A0Cliath
    <=
font face=3D"verdana, sans-serif">
    Deputy Dean | =
Faculty of Science and Health 
    Associate Professor | School of Mathematical Sciences=C2=A0<=
/span>
    Dublin City University

    brien.nolan dcu.ie=C2=A0|=C2=A0+353-1-700-5778

    *********=
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Reply-To:     "Romina.Gaburro" 
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From:         "Romina.Gaburro" 
Subject: Maths: MACSI Zoom seminar, TODAY, March 4th at 15.00.
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--_000_DB9PR03MB762884388B7CB484ADE142CB87059DB9PR03MB7628eurp_
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Dear All,



the next MACSI Zoom seminar at the Department of Mathematics and Statistics=
, University of Limerick will be given by Peter Mann (University of St Andr=
ews) TODAY, Friday the 4th of March. Please find below the details of the s=
eminar.



Zoom connection details:


Join Zoom Meeting


Meeting ID: 875 0827 2742
Passcode: 846371


Date:  Friday, March 4, 2022 at 15.00.


Speaker: Dr Peter Mann (School of Computer Science, University of St Andrew=
s, U.K.).


Title: Random graph ensembles using the configuration model.

Abstract: Networked phenomena occur in an extremely broad variety of fields=
 and disciplines from social science, epidemiology, material science, marke=
ts, economies, internet traffic; the list is almost endless. Complex networ=
ks are models that allow the combined study of dynamics and topology by mea=
ns of vertices and edges. The configuration model is an algorithm that can =
be used to create random graphs that belong to an ensemble of such graphs t=
hat have similar statistical properties. In this seminar, we will discuss t=
he configuration model and how it can be generalised to control other netwo=
rk properties, such as the clustering and degree correlation structure. We =
will then briefly discuss generating functions and show some recent results=
 of our work in this area.


Further Information: If you have any questions regarding this seminar, plea=
se direct them to Romina Gaburro (061 2131930, romina.gaburro ul.ie

) or Clifford Nolan (061 202766, clifford.nolan ul.ie).



---------------------------------------------------------------------------=
-

MACSI - the Mathematics Applications Consortium for Science and Industry (w=
ww.macsi.ul.ie), centred at the University of Lime=
rick, is dedicated to the mathematical modelling and solution of problems w=
hich arise in science, engineering and industry in Ireland.



Best wishes,

Romina Gaburro and Cliff Nolan





--_000_DB9PR03MB762884388B7CB484ADE142CB87059DB9PR03MB7628eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable








    

    

    

    

    

    

    


    
Dear All,&n=
bsp;

    
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    
&=
nbsp;
    

    
the next MACSI&=
nbsp;Zoom seminar at the Department of Mathematics and Statistics, Uni=
versity of Limerick will be given by Peter Mann (University
 of St Andrews) TODAY, Friday the=
 4th of March. Please find below the details of the semina=
r. 
    

    
&=
nbsp;
    

    
<=
/span>
    

    
Zoom connection details:
    

    

    

    

    

    
Join
 Zoom Meeting
    
<https://us06web.zoom.us/j/87508272742?pwd=3DMTN=
VeXhVSnVMYjFxMmV1b1B4VHluZz09>
    

    
Meeting ID: 875 0827 =
2742
    Passcode: 846371
    

    

    


    

    

    

    
Date:  Friday,
 March 4, 2022 at 15.00.<=
/p>

    

    

    

    

    

    
Speake=
r: Dr
 Peter Mann (School
 of Computer Science, University of St Andrews, U.K.). 
    

    

    

    

    

    
Title: Random graph ensembles using the=
 configuration model. 

    

    

    

    
Abstract: Networked phenomena occur in an extr=
emely broad variety of fields and disciplines from social science, epidemio=
logy, material science, markets, economies,
 internet traffic; the list is almost endless. Complex networks are models =
that allow the combined study of dynamics and topology by means of vertices=
 and edges. The
 configuration model is an algorithm that can be used to create random grap=
hs that belong to an ensemble of such graphs that have similar statistical =
properties. In this seminar, we will discuss the configuration model and ho=
w it can be generalised to control
 other network properties, such as the clustering and degree correlation st=
ructure. We will then briefly discuss generating functions and show some re=
cent results of our work in this area. 
    

    

    

    


    

    

    
=
Further Information: If you have any questions regarding this&=
nbsp;seminar, please direct them to Romina Gaburro (061 2131930, romina.ga=
burro ul.ie
    
) or Clifford Nolan (061 202766, ).
    

    

    
    

    

    
&nb=
sp;
    

    

    

    


    


    
---=
-------------------------------------------------------------------------
    
    		

    
    

    

    
    

    
 
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    



--_000_DB9PR03MB762884388B7CB484ADE142CB87059DB9PR03MB7628eurp_--

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Subject: Maths: MU Maths&Stats Colloquium
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          Theoretical Physics ,
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Dear colleagues,

The next Mathematics and Statistics Colloquium for this academic year takes=
 place Wednesday 9th March at 3pm. The talk will be held virtually via Micr=
osoft Teams. Details of the talk and a link to join the meeting are given b=
elow.

All are welcome!

BR,
G

__________________________________________________________________________

Speaker: Dr Pier Giovanni Bissiri, Universit=E0 di Bologna, Italy

Title: Positive definite functions on spheres: some statistical and mathema=
tical issues

Click to join:
Microsoft Teams meeting
Join on your computer or mobile app
Click here to join the meeting
Learn more | Meeting options

Abstract:
Positive definite functions are a key mathematical tool in geostatistics. I=
f the study region is
geographically extensive, the space which needs to be considered is the sph=
erical surface equipped with the geodesic distance. After reviewing some ge=
neral results about positive definite functions on spheres, this talk will =
focus on Bayesian nonparametric models for spatial covariance functions for=
 global data.
Then, it will review main known results about strict positive definiteness =
on spheres in the isotropic case and will show a sufficient condition for s=
trict positive definiteness in the axially symmetric case.


Galatia Cleanthous
Assistant Professor
National University of Ireland,
Maynooth
Home (google.com)

[cid:f0e50b33-809d-44a9-90dc-8267ee9e89cf]


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Dear
 colleagues,=

    

    

    

    

    

    

    

    

    

    

    

    

    

    


    

    

    T=
he next Mathematics and Statistics Colloquium for this academic year takes =
place Wednesday
 9th March <=
/span>at 3pm. The talk will be held virtually v=
ia Microsoft Teams. Details of the talk and a link
 to join the meeting are given below. 
    

    <=
br>

    

    A=
ll are welcome!
    


    

    

    BR,  
    
G<=
/span>
    


    

    

    __________________________=
________________________________________________


    

    
Speaker: Dr Pier Giovanni Bissiri, U=
niversit=E0 di Bologna, Italy
    


    

    

    Title: Positive definite functions on spheres: some statistica=
l and mathematical issues


    

    
Click to join:
    

    Microsoft Teams meeting=

    

    

    

    

    Join on your computer or mobile app
    
Click
 here to join the meeting
    
Learn
 more | 
Meeting options
    

    

    

    

    Ab=
stract:
    

    

    

    Positive definite functions are a key mathematical tool in =
geostatistics. If the study region is

    

    geographically extensive, the space which needs to be consi=
dered is the spherical surface equipped with the geodesic distance. After r=
eviewing some general results about positive definite functions on spheres,=
 this talk will focus on Bayesian
 nonparametric models for spatial covariance functions for global data.

    Then, it will review main known results about strict positi=
ve definiteness on spheres in the isotropic case
 and will show a sufficient condition for strict positive definiteness in t=
he axially symmetric case.
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    Galatia Cleanthous
    

    

    Assistant Professor
    

    

    National University of Ireland,
    
Maynooth
    
Home (google.c=
om)
    

    


    

    

    

    

    



--_000_DB9PR02MB6537AD1E298A30176E3B42FE89059DB9PR02MB6537eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar  7 09:04:44 2022
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Subject: maths: Irish Geometry Seminar, Tuesday, 8 March, 2pm
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Dear colleagues,

It is my pleasure to announce this week's talk in the Irish Geometry 
Seminar.  The seminar will take place at *2pm (Irish time) on Tuesday, 8 
March*.

-----------------------------------------------
_Speaker:_ Stefan Bechtluft-Sachs (Maynooth University)

_Title:_ Linking integrals in negatively curved symmetric spaces

_Abstract:_ Gauss' integral formula for the linking number of loops in 
Euclidean space readily generalizes to submanifolds of an oriented 
Riemannian manifold with sufficiently vanishing homology. To this end 
one needs an inverse to the Cartan differential. In particular, any 
right inverse of the differential form Laplacian or Dirac operator 
yields such a linking kernel.  We will show how all this can be made 
almost explicit on negatively curved symmetric spaces (non compact rank 
one symmetric space) in terms of a solution of an ordinary differential 
equation.


_Zoom details:_
Direct link: 
https://nuigalway-ie.zoom.us/j/95219875196?pwd=ZE9yNTJ2ZmtwR01PVnZMeDB6SGUyUT09

Meeting ID: 952 1987 5196
Passcode: 662475
-----------------------------------------------

The full schedule of talks is available at 
https://sites.google.com/view/irishgeomseminar/home.

We're looking forward to you joining us.

All the best,
Martin
--------------eYRhGggtXJBNKn0kFOdRc4nE
Content-Type: text/html; charset=UTF-8
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    Dear colleagues,
    
    It is my pleasure to announce this week's talk in the Irish Geometry
    Seminar.  The seminar will take place at 2pm (Irish time) on
      Tuesday, 8 March.
    
    
    
    -----------------------------------------------
    
    Speaker: Stefan Bechtluft-Sachs (Maynooth University)
    
    
    
    Title: Linking integrals in negatively curved symmetric
    spaces
    
    
    
    Abstract: Gauss' integral formula for the linking number of
    loops in Euclidean space readily generalizes to submanifolds of an
    oriented Riemannian manifold with sufficiently vanishing homology.
    To this end one needs an inverse to the Cartan differential. In
    particular, any right inverse of the differential form Laplacian or
    Dirac operator yields such a linking kernel.  We will show how all
    this can be made almost explicit on negatively curved symmetric
    spaces (non compact rank one symmetric space) in terms of a solution
    of an ordinary differential equation.
    
    
    
    
    
    Zoom details:
    
    Direct link: 
https://nuigalway-ie.zoom.us/j/95219875196?pwd=ZE9yNTJ2ZmtwR01PVnZMeDB6SGUyUT09
    
    
    
    Meeting ID: 952 1987 5196
    
    Passcode: 662475
    
    -----------------------------------------------
    
    
    
    The full schedule of talks is available at https://sites.google.com/view/irishgeomseminar/home.
    
    
    
    We're looking forward to you joining us.
    
    
    
    All the best,
    
    Martin
  


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From owner-mathdep LISTSERV.HEANET.IE  Mon Mar  7 16:46:15 2022
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Reply-To:     Natalia Kopteva 
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Subject: maths: INAF seminar, Thu 10 March, Chris Budd (Bath)
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The next INAF (Irish Numerical Analysis Forum) seminar will be given on 10 March 2022, 14:00 (Dublin) by

Chris Budd (University of Bath)

r-adaptivity, deep learning and the deep Ritz method

Physics informed neural networks (PINNS) have recently become popular as an alternative way of solving differential equations in a 'mesh free manner'. In this talk I will describe the operation of both PINNS and variational forms of PINNS. I will demonstrate, by looking at some challenging problems, that despite their claim to be mesh free methods, a careful use of a computational mesh can dramatically improve their importance. This gives some insight into the way that numerical analysis and machine learning can work well together.
Joint work with Simone Appella (PhD, Bath) and Tristan Pryer (Bath)



The organisers are grateful to the Irish Mathematical Society, for their generous financial support.

The seminar will be held online via ZOOM; more info, including a list of speakers and instructions for registering your name and email address, are given at the INAF website at https://staff.ul.ie/natalia/inaf

==============================
The following formats the above notice so as to be included in the mathdep google calendar

title:: Irish Numerical Analysis Forum seminar
content:: Chris Budd (Bath)
:: r-adaptivity, deep learning and the deep Ritz method
date-time:: Thursday 10 March 14:00
location:: ZOOM; register at https://staff.ul.ie/natalia/inaf
endevent::
 

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From:         "Romina.Gaburro" 
Subject: Maths: Free Nature conference on Breaking Barriers for Gender Equity Through Research - March 9-10
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Dear All,

please see the email below which might be of interest to you.

Best wishes,
Romina Gaburro
________________________________
From: cwm.ambassadors-bounces mathunion.org  on behalf of marie-francoise.roy univ-rennes1.fr 
Sent: Sunday 6 March 2022 06:47
To: cwm.ambassadors mathunion.org 
Subject: [CWM Ambassadors] Fwd: [OWSD-Update- noreply] Free Nature conferen=
ce on Breaking Barriers for Gender Equity Through Research - March 9-10

EXTERNAL EMAIL: This email originated from outside of the University of Lim=
erick. Do not click on links or open attachments unless you recognize the s=
ender's email address and know the content is safe.


FYI

Note in particular, on march 9 ,

12:10 - 12:40pm GMT Mathematics, a Common Language of Science in History an=
d in the Digital Era
Keynote: Motoko Kotani (Tohoku University, Japan)


-------- Message transf=E9r=E9 --------
Sujet :         [OWSD-Update- noreply] Free Nature conference on Breaking B=
arriers for Gender Equity Through Research - March 9-10
Date :  Fri, 25 Feb 2022 10:50:32 +0100
De :    OWSD 
Pour :  owsdw-update owsd.net



Dear OWSD network,

To mark International Women=92s Day, internationally renowned research jour=
nal Nature is to host its first dedicated gender equity conference, which w=
ill spotlight women leaders and role models in academia, research and polic=
y. Breaking Barriers for Gender Equity Through Research, a free virtual eve=
nt  which will take place on 9 and 10 March, will highli=
ght the role of research towards achieving gender equality, and create new =
opportunities for networking and mentoring.

Attendees can register as either a mentor or mentee depending on their prof=
essional development goals, with the event allowing time for group discussi=
ons on aspects of mentoring, as well as occasions for one-on-one chats betw=
een mentors and mentees, hoping to encourage the exchange of shared experie=
nces and relatability between individuals.

As well as editors from across the Nature Portfolio delivering remarks, the=
re will also be speakers from a variety of global institutions, including T=
ohoku University in Japan, the Ethiopian Space Science and Technology Insti=
tute, the Shiv Nadar University in India and the British Antarctic Survey.

Register here to attend.

Kind regards,

OWSD Secretariat

--
OWSD Secretariat

Organization for Women in Science for the Developing World (OWSD)
Strada Costiera, 11
34151 Trieste, Italy
Phone: + 39-040-2240-210

www.owsd.net
 OwsdSecretariat

--_000_DB9PR03MB762825B98ABAD36FA73666EF87089DB9PR03MB7628eurp_
Content-Type: text/html; charset="Windows-1252"
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Dear All,
    

    

    

    

    
please see the email below which might be of interest to you.
    

    

    

    

    
Best wishes,
    

    
Romina Gaburro
    

    

    

    From: cwm.ambassadors-bounc=
es mathunion.org <cwm.ambassadors-bounces mathunion.org> on behalf of=
 marie-francoise.roy univ-rennes1.fr <marie-francoise.roy univ-rennes1.f=
r>
    
Sent: Sunday 6 March 2022 06:47
    
To: cwm.ambassadors mathunion.org <cwm.ambassadors mathunion.org&=
gt;
    
Subject: [CWM Ambassadors] Fwd: [OWSD-Update- noreply] Free Nature c=
onference on Breaking Barriers for Gender Equity Through Research - March 9=
-10    

     
    

    

    

    


    
EXTERNAL EMAIL: 
This email originated from outside of the University of Limerick. Do not cl=
ick on links or open attachments unless you recognize the sender's email ad=
dress and know the content is safe.


    
    

    

    


    
 

    
    

    

    FYI
    

    Note in particular, on march 9 ,
    

    

    12:10 - 12:40pm GMT Mathematics, a Common Language of Science in History=
 and in the Digital Era
    
Keynote: Motoko Kotani (Tohoku University, Japan)
    

    


    

    
-------- Message transf=E9r=E9 --------

    


    
Sujet : 
[OWSD-Update- noreply] Free Nature conference on Breaking Barriers for =
Gender Equity Through Research - March 9-10

    

    
Date : 
Fri, 25 Feb 2022 10:50:32 +0100

    

    
De : 
OWSD <owsdw-update owsd.net>

    

    
Pour : 
owsdw-update owsd.net

    
    

    

    

    

    Dear OWSD network,
    

    To mark International Women=92s Day, internationally renowned research j=
ournal 
Nature is to host its first dedicated gender equity conference, which w=
ill spotlight women leaders and role models in academia, research and polic=
y.
Breaking Barriers for Gender Equity Through Research, a 
free virtual event which will take place on 9 and 10 March, will highli=
ght the role of research towards achieving gender equality, and create new =
opportunities for networking and mentoring.

    

    

    Attendees can register as either a mentor or mentee depending on their p=
rofessional development goals, with the event allowing time for group discu=
ssions on aspects of mentoring, as well as occasions for one-on-one chats b=
etween mentors and mentees, hoping
 to encourage the exchange of shared experiences and relatability between i=
ndividuals.

    

    

    As well as editors from across the Nature Portfolio delivering remarks, =
there will also be speakers from a variety of global institutions, includin=
g Tohoku University in Japan, the Ethiopian Space Science and Technology In=
stitute, the Shiv Nadar University
 in India and the British Antarctic Survey. 
    

    

    Register 
here to attend. 
    

    

    Kind regards,
    

    OWSD Secretariat
    

    

    --=20
OWSD Secretariat

Organization for Women in Science for the Developing World (OWSD)
Strada Costiera, 11
34151 Trieste, Italy
Phone: + 39-040-2240-210

www.ow=
sd.net
 OwsdSecretariat 
    

    

    



--_000_DB9PR03MB762825B98ABAD36FA73666EF87089DB9PR03MB7628eurp_--

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From owner-mathdep LISTSERV.HEANET.IE  Mon Mar  7 19:25:32 2022
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Subject: maths: workshop 26.-30. April - Continuous and discrete iterative methods for image and signal reconstruction
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Dear all,

We are pleased to be able to announce the 2nd Lanczos Workshop on 
"Continuous and discrete iterative methods for image and signal 
reconstruction", organized with the support of the Hamilton Mathematics 
Institute to be held in-person at Trinity College Dublin 26.-30. April.  
All are welcome, but there will be a number of introductory lectures and 
tutorials targetted at PhD students and early-career researchers, as 
well as lectures from leaders in the field on current research topics.  
Please see the attached flyer for more information or go to the 
conference website: https://www.maths.tcd.ie/~ksoodha/lanczosworkshop2022/.

Sincerely,
Kirk Soodhalter

################################################
Kirk M. Soodhalter
Ussher Assistant Professor in Numerical Analysis
Trinity College Dublin
The University of Dublin
School of Mathematics
ksoodha maths.tcd.ie
http://math.soodhalter.com
Office: Lloyd Institute 244
Phone: +353-1-896 4598
Skype: ksoodha
Twitter:  KirkMSoodhalter
################################################

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Message-ID:  
Date:         Tue, 8 Mar 2022 08:57:37 +0000
Reply-To:     Galatia Cleanthous 
Sender:       UCD Maths Department Distribution List 
From:         Galatia Cleanthous 
Subject: Maths: MU Maths&Stats Colloquium
Comments: To: MathsStatsStaff
          ,
          Theoretical Physics ,
          mathsstatspgresearch
          
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Dear colleagues,

This is a reminder that:

The next Mathematics and Statistics Colloquium for this academic year takes=
 place Wednesday 9th March at 3pm. The talk will be held virtually via Micr=
osoft Teams. Details of the talk and a link to join the meeting are given b=
elow.

All are welcome!

BR,
G

__________________________________________________________________________

Speaker: Dr Pier Giovanni Bissiri, Universit=E0 di Bologna, Italy

Title: Positive definite functions on spheres: some statistical and mathema=
tical issues

Click to join:
Microsoft Teams meeting
Join on your computer or mobile app
Click here to join the meeting
Learn more | Meeting options

Abstract:
Positive definite functions are a key mathematical tool in geostatistics. I=
f the study region is geographically extensive, the space which needs to be=
 considered is the spherical surface equipped with the geodesic distance. A=
fter reviewing some general results about positive definite functions on sp=
heres, this talk will focus on Bayesian nonparametric models for spatial co=
variance functions for global data.
Then, it will review main known results about strict positive definiteness =
on spheres in the isotropic case and will show a sufficient condition for s=
trict positive definiteness in the axially symmetric case.


Galatia Cleanthous
Assistant Professor
National University of Ireland,
Maynooth
Home (google.com)

[cid:5deb65ba-5d1b-43ce-9db9-0fe22827460a]


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Dear
 colleagues,=

    

    

    

    

    
This is a reminder that:
    

    

    

    

    

    

    

    

    

    

    

    

    

    


    

    

    The nex=
t Mathematics and Statistics Colloquium for this academic year takes place<=
/span> Wednesday 9th March at
 3pm. The talk will be=
 held virtually via Microsoft Teams. Details of the talk and a link to join=
 the meeting are given below. 
    


    

    

    All are=
 welcome!
    


    

    

    BR,  
    
G
    


    

    

    ________________________________=
__________________________________________


    

    
Speaker: Dr Pier Giovanni Bissiri, U=
niversit=E0 di Bologna, Italy
    


    

    

    Ti=
tle: Positive definite functions on spheres: some statistical and =
mathematical issues


    

    
Click to join:
    

    Microsoft Teams meetin=
g
    

    

    

    

    Join on your computer or mobile app<=
/div>
Click
 here to join the meeting
    
Learn
 more | Meeting
 options
    

    

    

    

    Abstract=
:
    

    

    

    Positive definite functions are a key mathematica=
l tool in geostatistics. If the study region is geographically extensive, t=
he space which needs to be considered is the spherical surface equipped wit=
h the geodesic distance. After reviewing
 some general results about positive definite functions on spheres, this ta=
lk will focus on Bayesian nonparametric models for spatial covariance funct=
ions for global data.
    
Then, it will review main known results about st=
rict positive definiteness on spheres in the isotropic case and will show a sufficient condition for strict positive d=
efiniteness in the axially symmetric case.
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    Galatia Cleanthous
    

    

    Assistant Professor
    

    

    National University of Ireland,
    
Maynooth
    
Home (google.c=
om)
    

    


    

    

    

    

    



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Message-ID:  
Date:         Mon, 7 Mar 2022 20:47:58 +0000
Reply-To:     =?iso-8859-1?Q?Ciar=E1n_Mac_an_Bhaird?= 
Sender:       UCD Maths Department Distribution List 
From:         =?iso-8859-1?Q?Ciar=E1n_Mac_an_Bhaird?= 
Subject: Maths: Fifth Annual Huxley Lecture on the History of Mathematics
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Dear all,


The Department of Mathematics and Statistics have the pleasure in announcin=
g the fifth annual Huxley Lecture on the History of Mathematics by Professo=
r Mathieu Ossendrijver from the Free University of Berlin, on Thursday 7th =
of April at 6pm (JHL4, John Hume Building, North Campus)


Title: 'How Ancient Babylonians predicted the paths of planets'.



Further details are available at https://www.maynoothuniversity.ie/mathemat=
ics-and-statistics/huxleylecture2022


 Le meas,

Ciar=E1n


title:: Huxley Lecture on the History of Mathematics
content:: Professor Mathieu Ossendrijver
::  Maynooth University
:: How Ancient Babylonians predicted the paths of planets
date-time:: April 7 2022 at 6 p.m.
location:: Maynooth, JHL4, John Hume Building, North Campus
endevent::



Dr. Ciar=E1n Mac an Bhaird


Assistant Professor and MSC Director


Department of Mathematics and Statistics


Maynooth University


https://www.maynoothuniversity.ie/people/ciar-n-mac-bhaird


http://supportcentre.maths.nuim.ie/


--_000_DB7PR02MB36427FD54CD3A347021176008C089DB7PR02MB3642eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable








    

    Dear all,
    

    

    
The Dep=
artment of Mathematics and Statistics have the pleasure in announcing =
the fifth annual Huxley Lecture =
;on
 the History of Mathematics by Professor Mathieu Ossendrijver from t=
he Free University of Berlin, on Thursday 7th of April at 6pm (JHL4, J=
ohn Hume Building, North Campus)
    

    

    


    <=
span style=3D"margin:0px;font-size:12pt">

    


    

    

    


    

    

    

    


    

    Title: 'How Ancient Babylonians predicted the p=
aths of planets'.
    

    

    

     
    

    


    

    

    

    
<=
/a>
    

    

    


    <=
span style=3D"margin:0px;font-size:12pt"> Le
 meas,
    

    

    
Ciar=
=E1n
    

    

    

    

    
title:: =
;Huxley Lecture
 on the History of Mathematics
    
content:: Professor
 Mathieu Ossendrijver
    
::  Maynooth =
University 
    
:: How Ancient
 Babylonians predicted the paths of planets
    
date-time:: April =
7 2022 at 6 p.m.
    
location:: Maynoot=
h, JHL4, John Hume Building, North Campus
    
endevent::<=
/p>

    

    




--_000_DB7PR02MB36427FD54CD3A347021176008C089DB7PR02MB3642eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar  9 09:46:54 2022
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Date:         Wed, 9 Mar 2022 09:46:37 +0000
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Subject: maths: International Day of Mathematics (pi day) at NUI Galway
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Hello all,

The SIAM Student Chapter and the School of Mathematical and Statistical Sci=
ences at NUI Galway will be having two talks for the International Day of M=
athematics (or pi day) on Monday 14th March 2022. It will run on a hybrid f=
ormat. Here is the schedule:


  *   2pm: Niamh Cahill (Maynooth University) will be speaking about "Monit=
oring Country-Level Changes in Family-Planning Indicators Over Time"
  *   3-3:30pm: Break: free tea/coffee and cookies for the people attending=
 in person, and a Gather space for the people joining online.
  *   3.30pm: Faiza Alssaedi (NUI Galway) will be speaking about "Parameter=
 robust methods for fourth-order real-valued singularly perturbed problems"=
.

The talks will last around 30-40 minutes (+ question time) and they are aim=
ed at a general audience, so everyone is welcome to attend.

Register in this link: https://nuigalway-ie.zoom.us/meeting/register/tJYvd-=
mgrjkuGNZdpCiamc-Dr6pJ4T8sz5_0.  (After registering, you will receive a con=
firmation email containing information about joining the meeting online and=
 later on, an email with the venue for the people attending in person.)

We hope to see you there!

Regards,
SIAM Student Chapter at NUIG

--_000_VI1PR0102MB25912F5F4B94316C7835BBD4CD0A9VI1PR0102MB2591_
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Content-Transfer-Encoding: quoted-printable









    

    

    Hello all,

     
    

    The SIAM Student Chapter and th=
e School of Mathematical and Statistical Sciences at NUI Galway will be hav=
ing two talks for the
International Day of Mathematics<=
span style=3D"color:black">
(or pi day) on Monday 14th March 2022. It will run on a hybri=
d format. Here is the schedule:
    

     
    

      

    • 2pm: Niamh Cahill (Maynooth University) will be speaking about "Monitoring Country-=
Level Changes in Family-Planning Indicators Over
 Time”
    • 3-3:30pm: Break: free tea/coffee and cookies for the =
people attending in person, and a Gather space for the people joining onlin=
e.

    • 3.30pm:
Faiza Alssaedi (NUI Galway) will be speaking about “Parameter robust methods for fourth-order real-valued sin=
gularly perturbed problems”.
    

     
    

    The talks will last around 30-4=
0 minutes (+ question time) and they are aimed at a general audience, so ev=
eryone is welcome to attend.
    

     
    

    Register in this link: <=
a href=3D"https://nuigalway-ie.zoom.us/meeting/register/tJYvd-mgrjkuGNZdpCi=
amc-Dr6pJ4T8sz5_0">https://nuigalway-ie.zoom.us/meetin=
g/register/tJYvd-mgrjkuGNZdpCiamc-Dr6pJ4T8sz5_0.
 (After registering, you will re=
ceive a confirmation email containing information about joining the meeting=
 online and later on, an email with the venue for the people attending in p=
erson.)

    

     
    

    We hope to see you there!<=
/o:p>
    

     
    

    Regards,
    
SIAM Student Chapter at NUIG
    

    

    



--_000_VI1PR0102MB25912F5F4B94316C7835BBD4CD0A9VI1PR0102MB2591_--

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar  9 11:14:08 2022
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Date:         Wed, 9 Mar 2022 11:12:57 +0000
Reply-To:     "Denjoe O'Connor" 
Sender:       UCD Maths Department Distribution List 
From:         "Denjoe O'Connor" 
Subject: maths: DIAS Zoominar Thursday March 10th 14:30 speaker Kimmo Tuominen
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Dear Colleagues,
                 please join us for our upcoming Theoretical Physics Seminar on 
Thursday March 10th by Kimmo Tuominen

Date: Thursday March 10th
Seminar Time: 14:30
https://us02web.zoom.us/j/6199730148?pwd=SjVGcTJWQmZZNndHenMyRStsL0lKdz09
Meeting ID: 619 973 0148
Passcode: 122512

                          Kimmo Tuominen
                      University of Helsinki

Title: Vacuum phases of gauge theories

Abstract: Understanding the dynamics of strongly coupled non-Abelian gauge 
theories constitutes one of the ongoing grand challenges in theoretical 
physics. This has been motivated by the need to understand long-distance 
behavior of quantum chromodynamics, and by the possible phenomenological 
applications in dynamical electroweak symmetry breaking or strongly 
coupled and composite dark sectors. I will briefly outline these 
motivations, and then discuss how first principle lattice methods have 
been adapted to provide results on vacuum phase diagrams of strongly 
coupled gauge theories with different gauge groups and various fermion 
representations.

With best wishes,
Denjoe.

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar  9 16:07:27 2022
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Date:         Wed, 9 Mar 2022 16:07:12 +0000
Reply-To:     Joost Slingerland 
Sender:       UCD Maths Department Distribution List 
From:         Joost Slingerland 
Subject: maths: Maynooth Theoretical Physics Seminar -- Philip Cussen-Burke (MU) -- Assigning temperatures to Eigenstates
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Dear All,

This Friday, March 11th, there will be a Maynooth Theoretical Physics
Seminar. The seminar will take place on campus with an in-person audience, but
will also be live streamed on Zoom.

Details follow below. All are most welcome to attend.

-----------------------------------------------------------------------
Speaker:  Philip Cussen-Burke (Maynooth University)

Time: Friday March 11th, 2pm
Place: Science Lecture Theatre (SLT), Callan Building, North Campus, Maynooth
University

Live Streaming via this Zoom Meeting:
https://us02web.zoom.us/j/89827315412?pwd=TC9aU1JIV0lteU1MNnNHYlJ4ek81Zz09

Title: Assigning temperatures to eigenstates

Abstract:
In formulating the statistical mechanics of isolated quantum systems, an 
inescapable issue is the definition of temperature, which is not a priori 
defined within closed-system quantum mechanics. We examine and compare 
different possible ways of assigning temperatures to energies, or 
equivalently, to eigenstates. The commonly used assignment of temperature 
is based on the canonical energy-temperature relationship, which depends 
only on energy eigenvalues and not on the structure of eigenstates. For 
eigenstates, we consider defining temperature by minimizing the distance 
between (full or reduced) eigenstate density matrices and canonical 
density matrices. We show that for full eigenstates, the minimizing 
temperature depends on the distance measure chosen, and matches the 
canonical temperature for the trace distance; however the two matrices are 
not close. With reduced density matrices, the minimizing temperature has 
fluctuations that scale with subsystem and system size but is apparently 
independent of distance measure, and in particular limits the two matrices 
become equivalent.

------------------------------------------------------------------------

Hope to see some of you there,

Best regards,

Joost Slingerland
Department of Theoretical Physics
Maynooth University

------------------------------------------------------------
The full Zoom meeting details follow
------------------------------------------------------------
Meeting ID: 898 2731 5412
Passcode: 413599
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From owner-mathdep LISTSERV.HEANET.IE  Fri Mar 11 12:52:23 2022
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Date:         Fri, 11 Mar 2022 12:51:50 +0000
Reply-To:     "Romina.Gaburro" 
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From:         "Romina.Gaburro" 
Subject: Maths: IMU News 111b: Special issue on the International Day of Mathematics 2022
To:           MATHDEP LISTSERV.HEANET.IE
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Dear All,

FYI.

Best wishes,
Romina
________________________________
From: cwm.ambassadors-bounces mathunion.org  on behalf of marie-francoise.roy univ-rennes1.fr 
Sent: Friday 11 March 2022 09:10
To: cwm.ambassadors mathunion.org 
Subject: [CWM Ambassadors] Fwd: IMU News 111b: Special issue on the Interna=
tional Day of Mathematics 2022

EXTERNAL EMAIL: This email originated from outside of the University of Lim=
erick. Do not click on links or open attachments unless you recognize the s=
ender's email address and know the content is safe.



Dear CWM ambassadors

For information and dissemination.

The topic of the year "Mathematics unites !"

CWM is supporting actively the International Day of Mathematics and most of=
 IDM activities are gender balance and illustrate the involvement of women =
and girls in the event. It is also reflected in the program of most activit=
ies below.

Happy International Day of Mathematics

Marie-Francoise

Please remember that you can subscribe to IMU-News directy.

-------- Message transf=E9r=E9 --------
Sujet :         IMU News 111b: Special issue on the International Day of Ma=
thematics 2022
Date :  Wed, 09 Mar 2022 10:01:40 +0000
De :    IMU News 
R=E9pondre =E0 :    imu-news-editor mathunion.org
Pour :  marie-francoise.roy univ-rennes1.fr


IMU News 111b: Special issue on the International Day of Mathematics 2022
=AD
=AD       =AD
=AD
International
Mathematical
Union
[https://62s8s.img.a.d.sendibm1.com/im/3503224/c8e7db1421ef2a26773a3b2d4aa5=
107b18e604a357975172a38299aba9dffec6.png?e=3Dv3FcAPpNPINy8IROOcBRNzolvA3Ctn=
DwRlBnPUNPWAl6v1I1gyq42sDanDzV4zhr7vPfLe7aFlbeeVheR_y1PmOTvl-qqpvqymWUH926o=
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jvDFq2d4SUp61L_nyRIoaboyxaQ7tuBC6Fy28izYrbi2Pmpczw]
=AD       =AD
=AD

IMU News 111b: Special issue on the International Day of Mathematics 2022

=AD       =AD
=AD       =AD
=AD

Newsletter from the International Mathematical Union
Editor: Yoshiharu Kohayakawa, Universidade de S=E3o Paulo, Brazil

=AD
=AD
=AD
=AD       =AD
=AD

CONTENTS


  1.  2022 Global Online Celebration live stream
  2.  Launch of the UNESCO tool kit =93Mathematics for Action: Supporting S=
cience-Based Decision Making=94
  3.  Launch of the Science in Exile Declaration of the International Scien=
ce Council
  4.  IDM 2022 is part of IYBSSD 2022

=AD       =AD
=AD
=AD
=AD
=AD
=AD

2022 Global Online Celebration live stream

On March 14, 2022, there will be virtual global one-hour celebrations in Arabic, English, French, Po=
rtuguese and Spanish. Each celebration will feature four ten minute talks:


  *   Arabic: 12:00=9613:00 CET  (Chair: Djamel Eddine Cheriet; Speakers: Tarig Abdelgadir, Samia=
 Achour, Jehad Abu Alkbash, Taous Meriem Laleg-Kirati)
  *   Portuguese: 13:00=9614:00 CET  (Chair: Maria de Natividade; Speakers: In=EAs Guimar=E3es, M=
arcos Cherinda, Alexandrina da Silva, Humberto Bortolossi)
  *   English: 15:00=9616:00 CET  (Chair: Sujatha Ramdorai; Speakers: Katie Steckles, Wilfred Ndi=
fon, Steven Strogatz, Laura Wynter)
  *   French: 16:30=9617:30 CET  (Chair: Ra=EFssa Malu; Speakers: Wendelin Werner, Marie-Fran=E7o=
ise Ouedraogo, Moreno Andreatta, Christian Genest)
  *   Spanish:  18:00=9619:00 CET  (Chair: Jeanette Shakalli; Speakers: Alicia Dickenstein, Berna=
rdo Recam=E1n, Natalia Jonard, Eduardo S=E1enz de Cabez=F3n)


There will also be a 48-hour online coverage on March 14, 2022, starting at=
 00:00 NZDT and ending 24:=
00 PDT: follow =
it on the IDM website or on social media.  The gallery of best ph=
otos from the 2022 Photo Challenge will be online.


=AD       [https://62s8s.img.a.d.sendibm1.com/im/3503224/f3f9b945d7b2c29d0a=
93db8c14d49201ed48d10fd435ae0894e76341cdf7d922.png?e=3Di1byWWZGSg2uDCluZOl3=
ViLoTD2q805P_uJyAb95lUpzUsLDmlcRGe3IbBKr_-6XfmzQcD0Oq_kDAdTHwgLdMLFWUnqO0gp=
KuP5SNWAwEhaQy4VjKBIxAJmS8mXV8XYLRjxDqF-pX9nxlb1hvdo3-6a2Rd5phEy2BbgRmY4mNl=
alPDHTLB3ury7FtYE5skLQNIp6E3g5jzy_8FPDafdIKSpcGRX77FJ5vy89Sp3dXRjg_eIOXtQ1U=
w] 
=AD       =AD
=AD
=AD
=AD
=AD
=AD

Launch of the UNESCO tool kit =93Mathematics for Action: Supporting Science=
-Based Decision Making=94

=AD       =AD
=AD
[https://62s8s.img.a.d.sendibm1.com/im/3503224/7504d59f8c94e4437b16a66f7cef=
f98f3ff6b28882e1a0c6e17d4ba0e4d43e0f.png?e=3DOekAqfK1nyqnONBJBcIfb7LaWoxAFN=
9353ZaSbtMB_IYmS4VMDKLC8e9WHrkIHiDxveYMMt3ia18B43CRvjb0LNiPtAd7pefs3NsNTFjr=
99xmB4oFEuKnFAwZT-8s7p4b9r-dJYyQZwHabNcwwgDSIJCLfuEYCUlxJOCEpF7nVd_eHt-6fwR=
gJjHKDTco4Ds7Dpwg_d9Rk5xJqBck0PJ6AJaTrHQmPTNv2rgKrMHR71KU7yzSMosPw]
=AD

The Open Access tool kit =93Mathematics for Action: Supporting Science-Base=
d Decision Making=92=92 consists in a collection of lively two-page briefs =
promoting mathematically-grounded solutions to global challenges and highli=
ghting the role of mathematics in addressing the SDGs of the UN 2030 Agenda=
.  It was produced by the following consortium of expert organizations:  Af=
rican Institute for Mathematical Sciences (AIMS),  African Ma=
thematical Union (AMU),  Centre de Recherches Math=
=E9matiques (CRM),  UNESCO Cat II C=
entre CIMPA (Centre International de Math=E9matiques Pures et  =
Appliqu=E9es),  European Mathematical Society (EMS),  Institut=
 des Sciences Math=E9matiques et de leurs Interactions (INS=
MI) at CNRS,  Institut de Valorisation des Donn=E9es (IVADO), Can=
ada,  International Commission on Mathematical Instruction (ICMI),  International Mathematical Union (IMU),  Inte=
rnational Science Council (ISC).

The tool kit will be launched virtually on March 14, 2022, 11:00=9612:00 CE=
T.  To register to th=
e webinar, please click here.  Details of the programme will be posted h=
ere.

=AD
=AD
=AD
=AD
=AD
=AD

Launch of the Science in Exile Declaration of the International Science Cou=
ncil

=AD       =AD
=AD
=AD

The Science in Exile Declaration of the International Science Council will be launched during IDM 2022 on March 14, at 13:00 CET.  For details and registration, ple=
ase visit this page.

=AD
=AD
=AD
=AD
=AD
=AD

IDM 2022 is part of IYBSSD 2022

=AD       =AD
=AD
=AD       [https://62s8s.img.a.d.sendibm1.com/im/3503224/504e59ce94845cf7b5=
1804cea1f3565cef242f01c63abe27a3f6df6af9ea12aa.png?e=3D8ZNeYzhLL_bnYsXwx_E1=
fgK5icj5x_VWsp6ofXWirCtOEku9Gckwb1X4g2dz6bOr9WXiC3EIh9GuqmQ6HjK2pnxQWRSPoQE=
EUiUhlxcZubrvcqcPCDXbziTe3TsbW261AtoyB2tzs7Nu-A52l9di00i9uTilccagNs0qzLMMpv=
HRdv34Z5i_k9l-shP9Xv1jQULtMoS45nrz1Aob1CVx-BHdZ8fuQFAeXbD1497vUWpP2-w0WNWWM=
g]
=AD

The United Nations proclaimed the International Year of Basic Science for S=
ustainable Development 2022 (IYBSSD 2022),=
 of which IMU is a founding union.  The 2022 theme =93Mathematics Unites=94 for IDM 2022 expresses in particular that  =93=
Mathematics unites all sciences, giving them a common language=94.  IDM 202=
2 is naturally part of IYBSSD 2022.

=AD
=AD
=AD
=AD
=AD
=AD
=AD
=AD
IMU Secretariat

Hausvogteiplatz 11A, 10117, Berlin, Germany

=AD
This email was sent to marie-francoise.roy univ-rennes1.fr
You've received it because you've subscribed to our newsletter.
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cribe

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Dear All,
    

    

    

    

    
FYI.
    

    

    

    

    
Best wishes,
    

    
Romina
    

    

    

    From: cwm.ambassadors-bounc=
es mathunion.org <cwm.ambassadors-bounces mathunion.org> on behalf of=
 marie-francoise.roy univ-rennes1.fr <marie-francoise.roy univ-rennes1.f=
r>
    
Sent: Friday 11 March 2022 09:10
    
To: cwm.ambassadors mathunion.org <cwm.ambassadors mathunion.org&=
gt;
    
Subject: [CWM Ambassadors] Fwd: IMU News 111b: Special issue on the =
International Day of Mathematics 2022    

     
    

    

    

    


    
EXTERNAL EMAIL: 
This email originated from outside of the University of Limerick. Do not cl=
ick on links or open attachments unless you recognize the sender's email ad=
dress and know the content is safe.


    
    

    

    


    
 

    
    

    


    

    

    Dear CWM ambassadors
    


    

    

    For information and dissemination.


    

    

    The topic of the year "Mathemat=
ics unites !"
    


    

    

    CWM is supporting actively the Inter=
national Day of Mathematics and most of IDM activities are gender balance a=
nd illustrate the involvement of women and girls in the event. It is also r=
eflected in the program of most activities
 below.
    


    

    

    Happy International Day of Mathemati=
cs
    


    

    

    Marie-Francoise
    

    


    

    

    Please remember that you can subscri=
be to IMU-News directy.
    

    


    

    

    -------- Message transf=E9r=E9 -----=
---

    


    
Sujet : 
IMU News 111b: Special issue on the International Day of Mathematics 20=
22

    

    
Date : 
Wed, 09 Mar 2022 10:01:40 +0000

    

    
De : 
IMU News 
<imu-news mathunion.org>

    

    
R=E9pondre =E0&nb=
sp;: 
imu-news-editor mathunion.org

    

    
Pour : 
marie-francoise.roy univ-rennes1.fr

    
    

    

    

    





    


    
IMU News 111b: Special issue on the International Day of Mathematics 20=
22

    
    

    

    


    


    


    


    


    


    


    
=AD

    

    


    


    


    


    


    


    


    


    
=AD =

=AD

    

    

=AD 


    

    
Interna=
tional
    
Mathema=
tical
    
Union
    

    
    		

    
    

    
    		

    
    

    
    		

    
    

    
    		


    


    


    


    


    




    
    		

    
    

    
    		

    
    

    
    		

    
    

    
    		

    
    

    
    		

    

    


    


    

=AD 

=AD

    

    

=AD 


    


    


    


    


    


    


    


    


    

    IMU News 111b: Special issue on the International Day of M=
athematics 2022
    

    
    		

    
    

    
    		

    
    

    
    		

    
    

    
    		

    
    

    
    		

    

    

=AD 

=AD

    
    

    
    		

    

    


    


    


    


    


    


    


    


    


    


    
=
=AD 
=AD

    

    

=AD 


    

    Newsle=
tter from the International Mathematical Union
    
Editor: Yoshiharu Kohayakawa, Universidade d=
e S=E3o Paulo, Brazil
    

    
    		

    
    

    
    		

    

    


    


    
=AD

    

    


    


    


    


    
=AD

    
    

    
    		

    
    

    
    		

    
    

    
    		

    
    

    
    		

    
    

    
    		

    
    

    
    		

    

    

=AD

    
    

    
    		

    

    


    


    


    


    


    


    


    


    


    


    
=
=AD 
=AD

    

    

=AD 


    

    CONTENTS
    
 
    

      

    1. 2022 Global Online Celebration live stream
    2. Launch of the UNESCO=
 tool kit =93Mathematics for Action: Supporting Science-Based Decision Maki=
ng=94
    3. Launch of the Science in Exile Declaration of the Internation=
al Science Council
    4. IDM 2022 is part of IYBSSD 2022
    

    
    		

    

    
=
=AD 
=AD

    
    

    
    		

    

    


    


    
=AD

    

    


    


    


    


    
=AD

    
    

    
    		

    
    

    
    		

    
    

    
    		

    
    

    
    		

    
    

    
    		

    
    

    
    		

    

    

=AD

    
    

    
    		

    

    


    


    

=AD

    

    


    


    


    


    


    


    


    


    

=AD 


    

    2022 Global Onl=
ine Celebration live stream
    

    
On March 14, 2022, there will be 
virtual global one-hour celebrations in Arabic, English, French, Portug=
uese and Spanish. Each celebration will feature four ten minute talks:
    
 
    

      

    • Arabic: 12:00=9613:00 
CET  (Chair: Djamel Eddine Cheriet; Speakers: Tarig Abdelgadir, Sa=
mia Achour, Jehad Abu Alkbash, Taous Meriem Laleg-Kirati)
    • Portugues=
e: 13:00=9614:00 
CET  (Chair: Maria de Natividade; Speakers: In=EAs Guimar=E3es, Ma=
rcos Cherinda, Alexandrina da Silva, Humberto Bortolossi)
    • English: =
15:00=9616:00 
CET  (Chair: Sujatha Ramdorai; Speakers: Katie Steckles, Wilfred N=
difon, Steven Strogatz, Laura Wynter)
    • French: 16:30=9617:30 
CET  (Chair: Ra=EFssa Malu; Speakers: Wendelin Werner, Marie-Fran=
=E7oise Ouedraogo, Moreno Andreatta, Christian Genest)
    • Spanish: &nb=
sp;18:00=9619:00 
CET  (Chair: Jeanette Shakalli; Speakers: Alicia Dickenstein, Bern=
ardo Recam=E1n, Natalia Jonard, Eduardo S=E1enz de Cabez=F3n)
      
 
    

    There will also be a 48-hour online coverage on March=
 14, 2022, starting at 00:00

NZDT and ending 24:00 
PDT: follow it on the 
IDM website or on social media.  The gallery of best photos from t=
he 2022 
Photo Challenge will be online.
    
 
    

    
    		

    
    

    
    		

    

    


=AD 
    

    


    

    
=
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=AD 


    

    Launch of the UNESCO tool kit =93Mathematics =
for Action: Supporting Science-Based Decision Making=94
    

    
    		

    

    
=
=AD 
=AD

    
    

    
    		

    
    

    
    		

    
    

    
    		

    
    

    
    		

    
    

    
    		

    

    


    


    

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=AD 


    

    The Open Access tool kit =93Mathematics for Action: S=
upporting Science-Based Decision Making=92=92 consists in a collection of l=
ively two-page briefs promoting mathematically-grounded solutions to global=
 challenges and highlighting the role of
 mathematics in addressing the SDGs of the UN 2030 Agenda.  It was pro=
duced by the following consortium of expert organizations:  African
 Institute for Mathematical Sciences (AIMS),  African
 Mathematical Union (AMU),  Centre
 de Recherches Math=E9matiques (CRM),  UNESCO
 Cat II Centre CIMPA (Centre International de Math=E9matiques Pures et =
 Appliqu=E9es),  European
 Mathematical Society (EMS),  Institut
 des Sciences Math=E9matiques et de leurs Interactions (INSMI) at CNRS,=
  Institut
 de Valorisation des Donn=E9es (IVADO), Canada,  International
 Commission on Mathematical Instruction (ICMI),  International
 Mathematical Union (IMU),  =
International
 Science Council (ISC).
    

    The tool kit will be launched virtually on March 14, =
2022, 11:00=9612:00

CET.  To register to the webinar, please 
click here.  Details of the programme will be posted 
here.
    

    
    		

    
    

    
    		

    
    

    
    		

    
    

    
    		

    
    

    
    		

    

    

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=AD 


    

    Launch of the Science in Exile Declaration of=
 the International Science Council
    

    
    		

    

    
=
=AD 
=AD

    
    

    
    		

    
    

    
    		

    
    

    
    		

    
    

    
    		

    
    

    
    		

    

    


    


    

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=AD 


    

    The 
Science in Exile Declaration of the 
International Science Council will be launched during IDM 2022 on March=
 14, at 13:00

CET.  For details and registration, please visit 
this page.
    

    
    		

    
    

    
    		

    
    

    
    		

    
    

    
    		

    
    

    
    		

    

    

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=AD 


    

    IDM 2022 is part of IYBSSD 2022
    

    
    		

    

    
=
=AD 
=AD

    
    

    
    		

    
    

    
    		

    
    

    
    		

    
    

    
    		

    
    

    
    		

    

    


    


    

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=AD 


    

    The United Nations proclaimed the 
International Year of Basic Science for Sustainable Development 2022 (I=
YBSSD 2022), of which IMU is a founding union.  The 2022 theme =93Mathematics
 Unites=94 for IDM 2022 expresses in particular that  =93Mathem=
atics unites all sciences, giving them a common language=94.  IDM =
2022 is naturally part of IYBSSD 2022.
    

    
    		

    
    

    
    		

    
    

    
    		

    
    

    
    		

    
    

    
    		

    

    

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    I=
MU Secretariat
    
    		

    
    

    
    		

    

    


    


    


    

    Hausvogteiplatz 11A, 10117, Berlin, Germany
    

    
    		

    
    

    
    		

    

    


    


    
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Date:         Mon, 14 Mar 2022 08:53:22 +0000
Reply-To:     Martin Kerin 
Sender:       UCD Maths Department Distribution List 
From:         Martin Kerin 
Subject: maths: Irish Geometry Seminar, Tuesday, 15 March, 2pm
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Dear colleagues,

It is my pleasure to announce this week's talk in the Irish Geometry 
Seminar.  The seminar will take place at *2pm (Irish time) on Tuesday, 
15 March*. /

[For attendees from the US, please note that this week's talk will begin 
at 10am Eastern/7am Pacific, because Daylight Saving Time has not yet 
begun in the EU.]/

-----------------------------------------------
_Speaker:_ Emily Dryden (Bucknell University)

_Title:_ Applications of symmetry to certain eigenvalue bounds on surfaces

_Abstract:_ We study a class of eigenvalue problems for surfaces.  The 
question of finding meaningful upper bounds for these eigenvalues has a 
long history going back to Weinstock, who studied an isoperimetric 
inequality for a certain lowest eigenvalue of a simply-connected planar 
domain. We will explore some recent contributions to the story, with an 
emphasis on results that can be seen in pictures.

Joint work with: Teresa Arias-Marco (Universidad de Extremadura, Spain), 
Carolyn S. Gordon (Dartmouth College, USA), Asma Hassannezhad 
(University of Bristol, UK), Allie Ray (Birmingham-Southern College, 
USA), Elizabeth Stanhope (Lewis & Clark College, USA).


_Zoom details:_
Direct link: 
https://nuigalway-ie.zoom.us/j/95219875196?pwd=ZE9yNTJ2ZmtwR01PVnZMeDB6SGUyUT09

Meeting ID: 952 1987 5196
Passcode: 662475
-----------------------------------------------

The full schedule of talks is available at 
https://sites.google.com/view/irishgeomseminar/home.

We're looking forward to you joining us.

All the best,
Martin
--------------xmWeY0iyVshMrkC0J0M7lFah
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: 8bit



  
  
    
    Dear colleagues,
    
    It is my pleasure to announce this week's talk in the Irish Geometry
    Seminar.  The seminar will take place at 2pm (Irish time) on
      Tuesday, 15 March.  
    
      
    
      [For attendees from the US, please note that this week's talk will
      begin at 10am Eastern/7am Pacific, because Daylight Saving Time
      has not yet begun in the EU.]
    
    
    
    -----------------------------------------------
    
    Speaker: Emily Dryden (Bucknell University)
    
    
    
    Title: Applications of symmetry to certain eigenvalue bounds
    on surfaces
    
    
    
    Abstract: We study a class of eigenvalue problems for
    surfaces.  The question of finding meaningful upper bounds for these
    eigenvalues has a long history going back to Weinstock, who studied
    an isoperimetric inequality for a certain lowest eigenvalue of a
    simply-connected planar domain. We will explore some recent
    contributions to the story, with an emphasis on results that can be
    seen in pictures.
    
    
    
    Joint work with: Teresa Arias-Marco (Universidad de Extremadura,
    Spain), Carolyn S. Gordon (Dartmouth College, USA), Asma
    Hassannezhad (University of Bristol, UK), Allie Ray
    (Birmingham-Southern College, USA), Elizabeth Stanhope (Lewis &
    Clark College, USA).
    
    
    
    
    
    Zoom details:
    
    Direct link: 
https://nuigalway-ie.zoom.us/j/95219875196?pwd=ZE9yNTJ2ZmtwR01PVnZMeDB6SGUyUT09
    
    
    
    Meeting ID: 952 1987 5196
    
    Passcode: 662475
    
    -----------------------------------------------
    
    
    
    The full schedule of talks is available at https://sites.google.com/view/irishgeomseminar/home.
    
    
    
    We're looking forward to you joining us.
    
    
    
    All the best,
    
    Martin
  


--------------xmWeY0iyVshMrkC0J0M7lFah--

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Date:         Mon, 14 Mar 2022 09:13:53 +0000
Reply-To:     =?iso-8859-1?Q?S=E1nchez_Mu=F1oz=2C_Victoria?=
              
Sender:       UCD Maths Department Distribution List 
From:         =?iso-8859-1?Q?S=E1nchez_Mu=F1oz=2C_Victoria?=
              
Subject: maths: (reminder) International Day of Mathematics (pi day) at NUI Galway TODAY!
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Hello all,

This is reminder to the event hosted by the SIAM Student Chapter at NUI Gal=
way for the International Day of Mathematics today 14th March 2022 at 2pm.
Here's the schedule:

  *   2pm: Niamh Cahill (Maynooth University) will be speaking about "Monit=
oring Country-Level Changes in Family-Planning Indicators Over Time"
  *   3-3:30pm: Break: free tea/coffee and cookies for the people attending=
 in person, and a Gather space for the people joining online.
  *   3.30pm: Faiza Alssaedi (NUI Galway) will be speaking about "Parameter=
 robust methods for fourth-order real-valued singularly perturbed problems"

Information about the venue and Zoom link:

  *   For the people attending online:

1.      Zoom link: https://nuigalway-ie.zoom.us/j/92200802422?pwd=3DUUF6blZ=
sWnhxT1BmUytSb1piZmg1dz09  (Meeting ID: 922 0080 2422. Passcode: 732551)

2.      Gather link (for the break):  https://app.gather.town/invite?token=
=3DR7IISKD8UjbbO5LPBpDQXGLrn-kDRmVH (Password: PiDay2022)


  *   For the people attending in person:

Room THB-G010 (directly below the Hardiman Building). It is located in the =
foyer area of the Library, where the black sitting couches are.

Please, help us to reduce unnecessary waste by bringing your own mug.

We hope to see you all there!

Regards,
Victoria, on behalf of the SIAM Student Chapter at NUIG


--_000_VI1PR0102MB259194F1FF06E80170792BC7CD0F9VI1PR0102MB2591_
Content-Type: text/html; charset="iso-8859-1"
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    Hello all, 

     
    

    This is reminder to the event h=
osted by the SIAM Student Chapter at NUI Galway for the
International Day of Mathematics today<=
/span>
14th March 2022 at 2pm. 
    

    Here’s the schedule:=

    

      

    • 2pm: Niamh Cahill (Maynooth U=
niversity) will be speaking about "Monitoring
 Country-Level Changes in Family-Planning Indicators Over Time”
    • =
3-3:30pm:
Break: free tea/coffee and cookies for the peop=
le attending in person, and a Gather space for the people joining online.

    • 3.30pm:
Faiza Alssaedi (NUI Galway) will be speaking about “Parameter robust methods f=
or fourth-order real-valued singularly perturbed problems”
    

     
    

    Information about the venue and=
 Zoom link:
    

      

    • For the
people attending online:
    

    
1.     
Zoom link: https://nuigalway-ie.zoom.us/j/922008=
02422?pwd=3DUUF6blZsWnhxT1BmUytSb1piZmg1dz09
 (Meeting ID: 922 0080 2422. Pas=
scode:
732551)
    

    
2.     
Gather link (for the br=
eak): 
 https://app.g=
ather.town/invite?token=3DR7IISKD8UjbbO5LPBpDQXGLrn-kDRmVH
 (Password: PiDay2022)
    

     
    

      

    • For the
people attending in person:
    

    Room THB-G010 (directly =
below the Hardiman Building). It is located in the
foyer area of the Library, where the black sitting couches ar=
e. 

    

    Please, help us to reduc=
e unnecessary waste by bringing your own mug.
    

     
    

    We hope to see you all there!
    

     
    

    Regards,
    

    Victoria, on behalf of the SIAM=
 Student Chapter at NUIG
    

     
    

    



--_000_VI1PR0102MB259194F1FF06E80170792BC7CD0F9VI1PR0102MB2591_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 14 15:52:40 2022
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            <161ede328acd100c976548bd3fcdde89 maths.tcd.ie>
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Date:         Mon, 14 Mar 2022 15:52:02 +0000
Reply-To:     mdeleeuw 
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From:         mdeleeuw 
Subject: Dublin Theoretical Physics Colloquium
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Dear All,

Next Wednesday, 16th of March at 4pm we will have our next Dublin 
Theoretical Physics Colloquium

Title: Engineering Gravitational Theories
Speaker: Alejandra Castro (Univ. of Amsterdam)

Abstract: Holography posits a radical way to quantify gravitational
physics. It claims that all information of a gravitational theory in a
region of space can be encoded by a quantum theory at the boundary of
this region. During this colloquium, I will discuss holography
   from an engineering perspective. We will see how one can 
engineer—i.e.,
design and build—gravity through this relationship, using possible
quantum theories on the boundary as materials for the undertaking. I
will discuss how overcoming the challenging obstacles
   to this engineering task is paramount for deciphering mysterious
properties of black holes, and understanding the emergence of spacetime
in quantum gravity.

https://tcd-ie.zoom.us/j/91438990604?pwd=a0JsY21hRWZpUTJpenN2TW4zM2tEZz09

Meeting ID: 914 3899 0604
Passcode: 716320

See you all there,
Best,
Ana, Marius, Fabrizio

PS.: You can check the next Colloquiums and Seminars in the website:
https://sites.google.com/view/tcd-colloquiums-and-seminars/home

PS.: If you missed any of the previous Colloquiums, you can watch them
in our Youtube channel
https://www.youtube.com/channel/UCh1QXrSmsPuxgdB_cJfAKbw

title:: Dublin Theoretical Physics Colloquium
content:: Alejandra Castro (Univ. of Amsterdam)
:: Engineering Gravitational Theories::
date-time:: 16th of March 2022 at 4pm

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar 15 16:19:10 2022
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Date:         Tue, 15 Mar 2022 16:18:38 +0000
Reply-To:     Helena Smigoc 
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From:         Helena Smigoc 
Subject: maths: The 24th conference of the International Linear Algebra Society
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--000000000000e48ee405da44265b
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 The 24th conference of the International Linear Algebra Society will be
held 20-24 June, 2022, at the NUI Galway, Galway, Ireland.

After a long break we are excited at the prospect of holding this ILAS
conference in person, and provide a venue not only for excellent talks, but
also to reunite with old friends, make new ones, and once again see
collaborations develop naturally by chance conversations over coffee.

Foundations of an attractive Scientific Programme are already lined up,
with 22 invited mini-symposia and 10 plenary talks, including the Hans
Schneider Prize lecture by Pauline van den Driessche.

To complete the programme we are welcoming contributed talks and posters.

Abstract submission is now open for minisymposium and contributed talks,
and for posters. As usual in ILAS conferences, each participant can give
only one talk (with exceptions for speakers in the Education and History
minisymposia). To submit your abstract, please visit ilas2020.ie/abstracts,
download the template there and upload your completed .tex file according
to the advice on the website. The same template can be used for talks and
posters.

Registration for the conference will open on March 31 at
ilas2020.ie/registration

For up-to-date information (including on accommodation and other
practicalities), please refer to the conference website: http://ilas2020.ie=
/
.

With best wishes,
Helena =C5=A0migoc (on behalf of the local organizing committee)


...

--000000000000e48ee405da44265b
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Content-Transfer-Encoding: quoted-printable


    





The 24th conference of the International Linear Algebra Society will be hel=
d 20-24 June, 2022, at the NUI Galway, Galway, Ireland.

    After a long=
 break we are excited at the prospect of holding this ILAS conference in pe=
rson, and provide a venue not only for excellent talks, but also to reunite=
 with old friends, make new ones, and once again see collaborations develop=
 naturally by chance conversations over coffee.

    Foundations of an at=
tractive Scientific Programme are already lined up, with 22 invited mini-sy=
mposia and 10 plenary talks, including the Hans Schneider Prize lecture by =
Pauline van den Driessche.

    To complete the programme we are welcomin=
g contributed talks and posters.

    Abstract submission is now open for=
 minisymposium and contributed talks, and for posters. As usual in ILAS con=
ferences, each participant can give only one talk (with exceptions for spea=
kers in the Education and History minisymposia). To submit your abstract, p=
lease visit ilas2020.ie/abstracts<=
/a>, download the template there and upload your completed .tex file accord=
ing to the advice on the website. The same template can be used for talks a=
nd posters.

    Registration for the conference will open on March 31 at=
     ilas2020.ie/registration
    For up-to-date information (including on accommodation and other prac=
ticalities), please refer to the conference website: http://ilas2020.ie/.

    With best wishes,
    Helena =C5=
=A0migoc (on behalf of the local organizing committee)

    ...
    =

    

--000000000000e48ee405da44265b--

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Date:         Tue, 15 Mar 2022 19:43:32 -0400
Reply-To:     Colm Mulcahy 
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Since this "Atlas of Irish Mathematics: Belfast 1900-1939" blog was first
launched, we have added 100 new micro biographies.
http://mathsireland.ie/blog/2021_12_cm  One of the more interesting
discoveries was how many women are here, 50 out of 175, quite a few with
master's theses.  Amazing considering when it was


Colm Mulcahy, Professor Emeritus, Spelman College, Atlanta, USA;
Adjunct Professor at Waterford Institute of Technology, Ireland;
Editor, AK Peters/CRC Recreational Mathematics Series
www.cardcolm.org,  cardcolm  / Annals of
Irish Maths 

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    Since this "Atlas of Irish Mathematics: Belfast 19=
00-1939" blog was first launched, we have added 100 new micro biograph=
ies.=C2=A0 http://mathsi=
reland.ie/blog/2021_12_cm=C2=A0 One of the more interesting discoveries=
 was how many women are here, 50 out of 175, quite a few with master's =
theses.=C2=A0 Amazing considering when it was

    =

    Colm Mulcahy, Professor E=
meritus,=C2=A0Spelm=
an College, Atlanta, USA;=C2=A0
    Adjunct Professor at Waterford Institute=
 of Technology, Ireland;
    Editor, AK Peters/CRC Recreational Mathemat=
ics Series
    www.cardcolm.org,=C2=A0 cardcolm=C2=A0/=C2=A0Annals of Irish Maths=C2=A0
    

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UCD School of Mathematics and Statistics - Seminar Notice=0D
=0D
 =0D
	Speaker: M. Mackey=0D
 =0D
	Title: Determining sets for Bounded Symmetric Domains=0D
=0D
 =0D
	Date: Tue 22nd March 2022=0D
 =0D
	Time: 3:00PM=0D
 =0D
	Location: Seminar Room SCN 1.25=0D
=0D
Abstract: A bounded symmetric domain can be realised as the unit ball $B$ o=
f a complex Banach which has a transitive group of biholomorphic maps on $B=
$.  These Banach spaces, known as JB*-triples, include C*-algebras and Hilb=
ert spaces.  In this talk, we will look at determining sets of the ball of =
a JB*-triple; firstly in the sense of convex hull, as per the=0D
Russo-Dye theorem for C*-algebras, and secondly in the sense of norm determ=
ining for holomorphic functions, as per the Bergmann-Shilov boundary of a f=
inite dimensional domain.=0D
=0D
=0D
https://ucd-ie.zoom.us/j/66631858529=0D
=0D
=0D
This talk is based on joint work with Pauline Mellon.=0D
=0D
Further information: mailto: https://ucd-ie.zoom.us/j/66631858529 =0D
=0D
-------------------------------------------------------------=0D
For other seminars in the Analysis series, see http://maths.ucd.ie/seminars=
eries/Analysis=0D
=0D
-------------------------------------------------------------=0D
The following formats the above notice so as to be included in the mathdep =
google calendar=0D
=0D
title:: Determining sets for Bounded Symmetric Domains=0D
content:: M. Mackey =0D
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis) =0D
location:: Seminar Room SCN 1.25=0D
date-time:: Tue 22nd March 2022 at 3:00PM=20=


----+--1647437762--+--
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    UCD School of Mathematics and Statistics - Seminar Notice

    


    
 

    
	Speaker:  M. Mackey

    
 

    
	Title: Determining sets for Bounded Symmetric Domains

    


    
 

    
	Date: Tue 22nd March 2022

    
 

    
	Time: 3:00PM

    
 

    
	Location: Seminar Room SCN 1.25

    


    
Abstract: A bounded symmetric domain can be realised as the unit ball $B$ of a complex Banach which has a transitive group of biholomorphic maps on $B$.  These Banach spaces, known as JB*-triples, include C*-algebras and Hilbert spaces.  In this talk, we will look at determining sets of the ball of a JB*-triple; firstly in the sense of convex hull, as per the

    
Russo-Dye theorem for C*-algebras, and secondly in the sense of norm determining for holomorphic functions, as per the Bergmann-Shilov boundary of a finite dimensional domain.

    


    


    
https://ucd-ie.zoom.us/j/66631858529

    


    


    
This talk is based on joint work with Pauline Mellon.

    


    
Further Information
    


    
-------------------------------------------------------------

    
For other seminars in the Analysis series, click http://maths.ucd.ie/seminarseries/Analysis

    


    
-------------------------------------------------------------

    
The following formats the above notice so as to be included in the mathdep google calendar

    


    
title:: Determining sets for Bounded Symmetric Domains

    
content:: M. Mackey 

    
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis) 

    
location:: Seminar Room SCN 1.25

    
date-time:: Tue 22nd March 2022 at 3:00PM 
    
----+--1647437762--+----

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Date:         Sat, 19 Mar 2022 12:42:57 +0000
Reply-To:     Galatia Cleanthous 
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From:         Galatia Cleanthous 
Subject: Maths: MU Maths&Stats Colloquium
Comments: To: MathsStatsStaff
          ,
          Theoretical Physics ,
          mathsstatspgresearch
          
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Dear colleagues,

The next Mathematics and Statistics Colloquium for this academic year takes=
 place Wednesday 23rd March at 3pm.

The talk will be held on campus in MS2 Logic House. Details of the talk are=
 given below.

All are welcome!

BR,
G

__________________________________________________________________________

Speaker: Dr Faustin Adiceam, Department of Mathematics, The University of M=
anchester

Title: Badly approximable vectors and Littlewood-type problems

Abstract:
Badly approximable vectors are fractal sets enjoying rich Diophantine prope=
rties. In this respect,
they play a crucial role in many problems well beyond Number Theory and Fra=
ctal Geometry (e.g., in signal processing, in mathematical physics and in c=
onvex geometry).

After outlining some of the latest developments in this very active area of=
 research, we will take an
interest in the Littlewood conjecture (c. 1930) and in its variants which a=
ll admit a natural formulation in terms of properties satisfied by badly ap=
proximable vectors. We will then show how
ideas emerging from the mathematical theory of quasicrystals and from the t=
heory of aperiodic tilings have recently enabled us to refute the so-called=
 t-adic Littlewood conjecture.

All necessary concepts will be defined in the talk. Some of the results are=
 joint with Fred Lunnon
(Maynooth) and Erez Nesharim (Hebrew University of Jerusalem).


Galatia Cleanthous
Assistant Professor
National University of Ireland,
Maynooth
Home (google.com)

[cid:461537a7-85b5-42f7-9843-fef038f4cb93]


--_000_DB9PR02MB65372A67B37675C43368110F89149DB9PR02MB6537eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable








    
Dear
 colleagues,=

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    


    

    

    The nex=
t Mathematics and Statistics Colloquium for this academic year takes place<=
/span> Wednesday 23rd M=
arch
 at 3pm. <=
/div>


    

    

    The tal=
k will be held on campus in MS2 =
Logic House. Details of the talk are given below.
    


    

    

    All are=
 welcome!
    


    

    

    BR,  
    
G
    


    

    

    ________________________________=
__________________________________________


    

    
Speaker: Dr Faustin Adiceam, Departm=
ent of Mathematics, The University of Manchester
    


    

    
T=
itle: Badly approximable vectors and Littlewood-type problems
    


    

    
Abstract:
    

    Badly approximable vectors=
 are fractal sets enjoying rich Diophantine properties. In this respect,

    they play a crucial role in many problems well beyond Number Theory an=
d Fractal Geometry (e.g., in signal processing, in mathematical physics and=
 in convex geometry).
    


    

    

    After outlining some of the latest developments in this very active ar=
ea of research, we will take an

    

    interest in the Littlewood conjecture (c. 1930) and in its variants wh=
ich all admit a natural formulation in terms of properties satisfied by bad=
ly approximable vectors. We will then show how
    

    ideas emerging from the mathematical theory of quasicrystals and from =
the theory of aperiodic tilings have recently enabled us to refute the so-c=
alled t-adic Littlewood conjecture.
    


    

    

    All necessary concepts will be defined in the talk. Some of the result=
s are joint with Fred Lunnon

    
(Maynooth) and Erez Nesharim (Hebrew University of Jerusalem).
    

    


    

    


    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    Galatia Cleanthous
    

    

    Assistant Professor
    

    

    National University of Ireland,
    
Maynooth
    
Home (google.c=
om)
    

    


    

    

    

    

    



--_000_DB9PR02MB65372A67B37675C43368110F89149DB9PR02MB6537eurp_--

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Subject: maths: Irish Geometry Seminar, Tuesday, 22 March, 2pm
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Dear colleagues,

It is my pleasure to announce this week's talk in the Irish Geometry 
Seminar.  The seminar will take place at *2pm (Irish time) on Tuesday, 
22 March*. /

[For attendees from the US, please note that this week's talk will begin 
at 10am Eastern/7am Pacific, because Daylight Saving Time has not yet 
begun in the EU.]/

-----------------------------------------------
_Speaker:_ Andrea Mondino (University of Oxford)

_Title:_ Optimal Transport, weak Laplacian bounds and minimal boundaries 
in non-smooth spaces with Lower Ricci Curvature bounds

_Abstract:_ The goal of the seminar is to report on recent joint work 
with Daniele Semola, motivated by a question of Gromov to establish a 
“synthetic regularity theory" for minimal surfaces in non-smooth ambient 
spaces. In the setting of non-smooth spaces with lower Ricci Curvature 
bounds:

- We establish a new principle relating lower Ricci Curvature bounds to 
the preservation of Laplacian bounds under the evolution via the 
Hopf-Lax semigroup;

- We develop an intrinsic viscosity theory of Laplacian bounds and prove 
equivalence with other weak notions of Laplacian bounds;

- We prove sharp Laplacian bounds on the distance function from a set 
(locally) minimizing the perimeter: this corresponds to vanishing mean 
curvature in the smooth setting;

- We study the regularity of boundaries of sets (locally) minimizing the 
perimeter, obtaining sharp bounds on the Hausdorff co-dimension of the 
singular set plus content estimates and topological regularity of the 
regular set.
Optimal transport plays the role of underlying technical tool for 
addressing various points.


_Zoom details:_
Direct link: 
https://nuigalway-ie.zoom.us/j/95219875196?pwd=ZE9yNTJ2ZmtwR01PVnZMeDB6SGUyUT09

Meeting ID: 952 1987 5196
Passcode: 662475
-----------------------------------------------

The full schedule of talks is available at 
https://sites.google.com/view/irishgeomseminar/home.

We're looking forward to you joining us.

All the best,
Martin
--------------ATZ0BRvNqj8Y0uH9FIFiRPRy
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    Dear colleagues,
    
      It is my pleasure to announce this week's talk in the Irish
      Geometry Seminar.  The seminar will take place at 2pm (Irish
        time) on Tuesday, 22 March.  
    
        
    
        [For attendees from the US, please note that this week's talk
        will begin at 10am Eastern/7am Pacific, because Daylight Saving
        Time has not yet begun in the EU.]
    
      
    
      -----------------------------------------------
    
      Speaker: Andrea Mondino (University of Oxford)
    
      
    
      Title: Optimal Transport, weak Laplacian bounds and minimal
      boundaries in non-smooth spaces with Lower Ricci Curvature bounds
    
      
    
      Abstract: The goal of the seminar is to report on recent
      joint work with Daniele Semola, motivated by a question of Gromov
      to establish a “synthetic regularity theory" for minimal surfaces
      in non-smooth ambient spaces. In the setting of non-smooth spaces
      with lower Ricci Curvature bounds:
    
      
    
      - We establish a new principle relating lower Ricci Curvature
      bounds to the preservation of Laplacian bounds under the evolution
      via the Hopf-Lax semigroup;
    
      
    
      - We develop an intrinsic viscosity theory of Laplacian bounds and
      prove equivalence with other weak notions of Laplacian bounds;
    
      
    
      - We prove sharp Laplacian bounds on the distance function from a
      set (locally) minimizing the perimeter: this corresponds to
      vanishing mean curvature in the smooth setting;
    
      
    
      - We study the regularity of boundaries of sets (locally)
      minimizing the perimeter, obtaining sharp bounds on the Hausdorff
      co-dimension of the singular set plus content estimates and
      topological regularity of the regular set.
    
      Optimal transport plays the role of underlying technical tool for
      addressing various points.
    
      
    
      
    
      Zoom details:
    
      Direct link: 
https://nuigalway-ie.zoom.us/j/95219875196?pwd=ZE9yNTJ2ZmtwR01PVnZMeDB6SGUyUT09
    
      
    
      Meeting ID: 952 1987 5196
    
      Passcode: 662475
    
      -----------------------------------------------
    
      
    
      The full schedule of talks is available at https://sites.google.com/view/irishgeomseminar/home.
    
      
    
      We're looking forward to you joining us.
    
      
    
      All the best,
    
      Martin 
    
  


--------------ATZ0BRvNqj8Y0uH9FIFiRPRy--

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Date:         Mon, 21 Mar 2022 09:14:29 +0000
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From:         "Romina.Gaburro" 
Subject: Maths: MACSI Zoom seminar, Friday, March 25th at 15.00.
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--_000_DB9PR03MB76282E555EDEEB1A25EE6EE187169DB9PR03MB7628eurp_
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Dear All,



the next MACSI Zoom seminar at the Department of Mathematics and Statistics=
, University of Limerick will be given by Shari Moskow (Drexel University) =
on Friday the 25th of March. Please find below the details of the seminar.



Zoom connection details:


Join Zoom Meeting


Meeting ID: 885 6907 9269
Passcode: 775975


Date:  Friday, March 25, 2022 at 15.00.


Speaker: Prof Shari Moskow (Department of Mathematics, Drexel University, U=
.S.).


Title: Lippmann-Schwinger-Lanczos algorithm for inverse scattering problems=
.

Abstract: We combine data-driven reduced order models (ROM) with the Lippma=
nn- Schwinger integral equation to produce a direct nonlinear inversion met=
hod. The ROM is viewed as a Galerkin projection and is sparse due to Lanczo=
s orthogonalization. Embedding into the continuous problem, a data-driven i=
nternal solution is produced. This internal solution is then used in the Li=
ppmann-Schwinger equation, in a direct or iterative framework. The new appr=
oach also allows us to process non-square matrix-valued data-transfer funct=
ions, i.e., to remove the main limitation of the earlier versions of the RO=
M based inversion algorithms. We show numerical experiments for spectral do=
main data for which our inversion is far superior to the Born inversion.



Further Information: If you have any questions regarding this seminar, plea=
se direct them to Romina Gaburro (061 2131930, romina.gaburro ul.ie

) or Clifford Nolan (061 202766, clifford.nolan ul.ie).



---------------------------------------------------------------------------=
-

MACSI - the Mathematics Applications Consortium for Science and Industry (w=
ww.macsi.ul.ie), centred at the University of Lime=
rick, is dedicated to the mathematical modelling and solution of problems w=
hich arise in science, engineering and industry in Ireland.



Best wishes,

Romina Gaburro and Cliff Nolan





--_000_DB9PR03MB76282E555EDEEB1A25EE6EE187169DB9PR03MB7628eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable








    

    

    

    

    


    

    

    

    

    

    

    

    


    
Dear All,&n=
bsp;

    
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    
&=
nbsp;
    

    
the next MACSI&=
nbsp;Zoom seminar at the Department of Mathematics and Statistics, Uni=
versity of Limerick will be given by Shari Moskow (Drexel
 University) on Friday the 25th o=
f March. Please find below the details of the seminar.&nbs=
p;
    

    
&=
nbsp;
    

    
<=
/span>
    

    
Zoom connection details:
    

    

    

    

    

    
Join
 Zoom Meeting
    
<https://us06web.zoom.us/j/88569079269?pwd=3DcUd=
YdWZYUEdRakNFdFp2Y3c3bVBHdz09>
    

    
Meeting ID: 885 6907 =
9269
    Passcode: 775975
    

    

    


    

    

    

    
Date:  Friday,
 March 25, 2022 at 15.00.=

    

    

    

    

    

    

    
Speake=
r: Prof
 Shari Moskow (Department of Mathematics, Drexel U=
niversity, U.S.). 
    

    

    

    

    

    
Title: Lippmann-Schwinger-Lanczo=
s
 algorithm for inverse scattering problems.

    


    Abstract:
We combine data-driven reduced order models (ROM=
) with the Lippmann- Schwinger integral equation to produce a direct nonlin=
ear inversion method. The ROM is viewed
 as a Galerkin projection and is sparse due to Lanczos orthogonalization. E=
mbedding into the continuous problem, a data-driven internal solution is pr=
oduced. This internal solution is then used in the Lippmann-Schwinger equat=
ion, in a direct or iterative framework.
 The new approach also allows us to process non-square matrix-valued data-t=
ransfer functions, i.e., to remove the main limitation of the earlier versi=
ons of the ROM based inversion algorithms. We show numerical experiments fo=
r spectral domain data for which
 our inversion is far superior to the Born inversion.
    

    

    

    

    

    
=

    

    

    

    

    
=
Further Information: If you have any questions regarding this&=
nbsp;seminar, please direct them to Romina Gaburro (061 2131930, romina.ga=
burro ul.ie
    
) or Clifford Nolan (061 202766, ).
    

    

    

    

    

    
&nb=
sp;
    

    

    

    


    


    
---=
-------------------------------------------------------------------------
    
    		

    
    

    

    
    

    
 
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    



--_000_DB9PR03MB76282E555EDEEB1A25EE6EE187169DB9PR03MB7628eurp_--

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Date:         Tue, 22 Mar 2022 09:46:43 +0000
Reply-To:     Galatia Cleanthous 
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From:         Galatia Cleanthous 
Subject: Maths: MU Maths&Stats Colloquium
Comments: To: MathsStatsStaff
          ,
          Theoretical Physics ,
          mathsstatspgresearch
          
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Dear colleagues,

This is a reminder that:

The next Mathematics and Statistics Colloquium for this academic year takes=
 place Wednesday 23rd March at 3pm.

The talk will be held on campus in MS2 Logic House. Details of the talk are=
 given below.

All are welcome!

BR,
G

__________________________________________________________________________

Speaker: Dr Faustin Adiceam, Department of Mathematics, The University of M=
anchester

Title: Badly approximable vectors and Littlewood-type problems

Abstract:
Badly approximable vectors are fractal sets enjoying rich Diophantine prope=
rties. In this respect, they play a crucial role in many problems well beyo=
nd Number Theory and Fractal Geometry (e.g., in signal processing, in mathe=
matical physics and in convex geometry).

After outlining some of the latest developments in this very active area of=
 research, we will take an interest in the Littlewood conjecture (c. 1930) =
and in its variants which all admit a natural formulation in terms of prope=
rties satisfied by badly approximable vectors. We will then show how ideas =
emerging from the mathematical theory of quasicrystals and from the theory =
of aperiodic tilings have recently enabled us to refute the so-called t-adi=
c Littlewood conjecture.

All necessary concepts will be defined in the talk. Some of the results are=
 joint with Fred Lunnon (Maynooth) and Erez Nesharim (Hebrew University of =
Jerusalem).


Galatia Cleanthous
Assistant Professor
National University of Ireland,
Maynooth
Home (google.com)

[cid:7da16866-5744-44e1-ad9c-5da557c67e81]


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Dear
 colleagues,=

    

    

    

    

    
This
 is a reminder that:<=
/span>
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    


    

    

    The nex=
t Mathematics and Statistics Colloquium for this academic year takes place<=
/span> Wednesday 23rd M=
arch
 at 3pm. <=
/div>


    

    

    The tal=
k will be held on campus in MS2 Logic House. Details of the talk =
are given below.
    


    

    

    All are=
 welcome!
    


    

    

    BR,  
    
G
    


    

    

    ________________________________=
__________________________________________


    

    
Speaker: Dr Faustin Adiceam, Departm=
ent of Mathematics, The University of Manchester
    


    

    
T=
itle: Badly approximable vectors and Littlewood-type problems
    


    

    
Abstract:
    

    Badly a=
pproximable vectors are fractal sets enjoying rich Diophantine properties. =
In this respect, they play a crucial role in many problems well beyond Numb=
er Theory and Fractal Geometry (e.g.,
 in signal processing, in mathematical physics and in convex geometry).


    

    

    After outlining some of the latest developments i=
n this very active area of research, we will take an interest in the Little=
wood conjecture (c. 1930) and in its variants which all admit a natural for=
mulation in terms of properties satisfied
 by badly approximable vectors. We will then show how ideas emerging from t=
he mathematical theory of quasicrystals and from the theory of aperiodic ti=
lings have recently enabled us to refute the so-called t-adic Littlewood co=
njecture.
    


    

    

    All necessary concepts will be defined in the tal=
k. Some of the results are joint with Fred Lunnon (Maynooth) and Erez Nesharim (Hebrew University of Jerusal=
em).
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    Galatia Cleanthous
    

    

    Assistant Professor
    

    

    National University of Ireland,
    
Maynooth
    
Home (google.c=
om)
    

    


    

    

    

    

    



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From owner-mathdep LISTSERV.HEANET.IE  Tue Mar 22 10:36:25 2022
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Dear All,

Tomorrow, 23rd of March at 4pm we will have our next Dublin
Theoretical Physics Colloquium

Title: Machine learning for lattice field theory and back
Speaker: Gert Aerts (Swansea University)

Abstract: Recently, machine learning has become a popular tool to use in
fundamental science,
   including lattice field theory. Here I will report on recent progress,
starting with (by now)
   basic applications (phase transitions and critical exponents), moving
on to new ideas for the
   Inverse Renormalisation Group and ending with more speculative
suggestions on quantum-field
   theoretical machine learning.

https://tcd-ie.zoom.us/j/91438990604?pwd=a0JsY21hRWZpUTJpenN2TW4zM2tEZz09

Meeting ID: 914 3899 0604
Passcode: 716320

See you all there,
Best,
Ana, Marius, Fabrizio

PS.: You can check the next Colloquiums and Seminars in the website:
https://sites.google.com/view/tcd-colloquiums-and-seminars/home

PS.: If you missed any of the previous Colloquiums, you can watch them
in our Youtube channel
https://www.youtube.com/channel/UCh1QXrSmsPuxgdB_cJfAKbw

title:: Dublin Theoretical Physics Colloquium
content:: Gert Aerts (Swansea University)
:: Machine learning for lattice field theory and back::
date-time:: 23rd of March 2022 at 4pm

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Date:         Wed, 23 Mar 2022 09:31:53 +0000
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Subject: Maths: Groups in Galway meets the Irish Geometry Conference: second announcement
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Dear all,

This is the second announcement of the conference "Groups in Galway meets the Irish Geometry Conference" which will take place at the National University of Ireland, Galway from 18-20 May 2022.

We are planning for this to be an in-person event (although a few lectures will be given remotely). All who are interested are invited to attend!

Invited speakers:
* Sahana Balasubramanya (University of Mnster)
* Peter Brooksbank (Bucknell University)
* Marston Conder (University of Auckland)
* James Cruickshank (NUI Galway)
* Viveka Erlandsson (University of Bristol)
* Brendan Guilfoyle (Munster Technological University)
* Lee Kennard (Syracuse University)
* Ilaria Mondello (Paris-East Crteil University)
* Lucia Morotti (Leibniz University Hannover)
* Marco Radeschi (University of Notre Dame)
* Krishnan Shankar (University of Oklahoma / NSF)
* Mima Stanojkovski (RWTH Aachen University / MPI for Mathematics in the Sciences Leipzig)
* James B. Wilson (Colorado State University)
* David Wraith (Maynooth University)

For further information, please keep an eye on the conference web page: https://torossmann.github.io/ggg22

We expect to offer support to a number of participants (primarily PhD students and ECRs). To request support, please complete the relevant form on the conference web page by Thursday, 31 March.

Hoping to see you at NUI Galway in May,
John Burns, Angela Carnevale, Martin Kerin, Tobias Rossmann

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Reply-To:     "Denjoe O'Connor" 
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Subject: maths: DIAS Zoominar Thursday March 24th 14:30 speaker Swapnamay Mondal
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Dear Colleagues,
                 please join us for our upcoming Theoretical Physics Seminar on
Thursday March 24th by Swapnamay Mondal

Date: Thursday March 24th
Seminar Time: 14:30
https://us02web.zoom.us/j/6199730148?pwd=SjVGcTJWQmZZNndHenMyRStsL0lKdz09
Meeting ID: 619 973 0148
Passcode: 122512

                          Swapnamay Mondal
                       Trinity College Dublin

Title: Scaling Black Holes and Modularity

Abstract: Scaling black holes are solutions of supergravity with multiple
black hole singularities, which can be adiabatically connected to a single
center black hole solution. We develop techniques to determine partition
functions for such scaling black holes, if each constituent carries a
non-vanishing D4/M5-brane charge. For three constituents, we demonstrate
that the partition function is a mock modular form of depth two, and we
determine the appropriate non-holomorphic completion using generalized
error functions.

With best wishes,
Denjoe.

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 23 17:38:46 2022
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Date:         Wed, 23 Mar 2022 17:38:31 +0000
Reply-To:     Joost Slingerland 
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From:         Joost Slingerland 
Subject: maths: Maynooth Theoretical Physics Seminar -- Gert Vercleyen (MU) -- Geometric Algebras
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Dear All,

This Friday, March 25th, there will be a Maynooth Theoretical Physics
Seminar. The seminar will take place on campus with an in-person audience, but
will also be live streamed on Zoom.

Details follow below. All are most welcome to attend.

-----------------------------------------------------------------------
Speaker:  Gert Vercleyen (Maynooth University)

Time: Friday March 25th, 2pm
Place: Science Lecture Theatre (SLT), Callan Building, North Campus, Maynooth
University

Live Streaming via this Zoom Meeting:
https://us02web.zoom.us/j/89827315412?pwd=TC9aU1JIV0lteU1MNnNHYlJ4ek81Zz09

Title: Geometric Algebras

Abstract:
Anyone doing a degree in physics, engineering, or mathematics will, at a 
very early stage, need to learn how to deal with vectors. Typically the 
theory of vectors comes with several products, like the dot product which 
is useful for determining lengths and angles, the cross product which 
allows one to find orthogonal vectors, and in 2D the complex product which 
allows one to easily describe rotations and dilations. Each of these 
products has its benefits and problems. The dot product is not invertible, 
the complex product only works in 2D, and the cross product has too many 
issues to put in this abstract. The goal of the talk is to present an 
alternative product of vectors, the geometric product, that works in any 
dimension, allows one to get geometric data, and can be used to apply 
geometric transformations. I will describe how the usual products can be 
obtained from the geometric product and work out various examples. 
------------------------------------------------------------------------

Hope to see some of you there,

Best regards,

Joost Slingerland
Department of Theoretical Physics
Maynooth University

------------------------------------------------------------
The full Zoom meeting details follow
------------------------------------------------------------
Meeting ID: 898 2731 5412
Passcode: 413599
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From owner-mathdep LISTSERV.HEANET.IE  Thu Mar 24 12:21:26 2022
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Date:         Thu, 24 Mar 2022 12:20:46 +0000
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UCD School of Mathematics and Statistics - Seminar Notice=0D
=0D
 =0D
	Speaker: R. Levene=0D
 =0D
	Title: Graph operator systems generated by a projection=0D
=0D
 =0D
	Date: Tue 29th March 2022=0D
 =0D
	Time: 3:00PM=0D
 =0D
	Location: Seminar Room SCN 1.25=0D
=0D
Abstract: We consider the following question: for which connected graphs G =
is the operator system of G (the linear span of the matrix units correspond=
ing to its vertices and edges) generated, as a bimodule over the diagonal m=
asa, by a single orthogonal projection? This is based on joint work with He=
lena Smigoc and Polona Oblak.=0D
=0D
 https://ucd-ie.zoom.us/j/66792911636=0D
=0D
=0D
Further information:  https://ucd-ie.zoom.us/j/66792911636 =0D
=0D
-------------------------------------------------------------=0D
For other seminars in the Analysis series, see http://maths.ucd.ie/seminars=
eries/Analysis=0D
=0D
-------------------------------------------------------------=0D
The following formats the above notice so as to be included in the mathdep =
google calendar=0D
=0D
title:: Graph operator systems generated by a projection=0D
content:: R. Levene =0D
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis) =0D
location:: Seminar Room SCN 1.25=0D
date-time:: Tue 29th March 2022 at 3:00PM=20=


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    UCD School of Mathematics and Statistics - Seminar Notice

    


    
 

    
	Speaker:  R. Levene

    
 

    
	Title: Graph operator systems generated by a projection

    


    
 

    
	Date: Tue 29th March 2022

    
 

    
	Time: 3:00PM

    
 

    
	Location: Seminar Room SCN 1.25

    


    
Abstract: We consider the following question: for which connected graphs G is the operator system of G (the linear span of the matrix units corresponding to its vertices and edges) generated, as a bimodule over the diagonal masa, by a single orthogonal projection? This is based on joint work with Helena Smigoc and Polona Oblak.

    


    
 https://ucd-ie.zoom.us/j/66792911636

    


    


    
Further Information
    


    
-------------------------------------------------------------

    
For other seminars in the Analysis series, click http://maths.ucd.ie/seminarseries/Analysis

    


    
-------------------------------------------------------------

    
The following formats the above notice so as to be included in the mathdep google calendar

    


    
title:: Graph operator systems generated by a projection

    
content:: R. Levene 

    
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis) 

    
location:: Seminar Room SCN 1.25

    
date-time:: Tue 29th March 2022 at 3:00PM 
    
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Reply-To:     Kazim Buyukboduk 
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Subject: Algebra and Number Theory seminar, Thu 31st March 2022
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UCD School of Mathematics and Statistics - Seminar Notice


	*Speaker:* Firtina Kucuk (UCD)

	*Title:* Factorization of algebraic p-adic L-functions attached to
adjoint representations of Coleman families


	*Date:* Thu 31st March 2022

	*Time:* 2:00PM

	*Location:* Seminar Room SCN 1.25
*Abstract:* Artin formalism dictates a factorization of L-functions
when the associated motive decomposes. The p-adic variant of the Artin
formalism turns out to be a highly non-trivial problem in the absence
of critical values. This arises, for example, when the motive in
question is the one that comes attached to a self-Rankin-Selberg
product of a modular form. In this scenario, Dasgupta and
Loeffler=E2=80=93Arlandini proved the Artin formalism for the relevant p-ad=
ic
L-functions. To even make sense of these results, one needs to work
with families of modular forms passing through the modular form in
question. In this talk, I will give an overview of these concepts, and
then discuss the algebraic counterpart of this problem in the
p-non-ordinary setting and how one can resolve these.

*Further information:* https://maths.ucd.ie/~kazim_b/UCD_ANT_Seminar.html

-------------------------------------------------------------
For other seminars in the Algebra and Number Theory series, see
http://maths.ucd.ie/seminarseries/Algebra

-------------------------------------------------------------
The following formats the above notice so as to be included in the
mathdep google calendar

title:: Factorization of algebraic p-adic L-functions attached to
adjoint representations of Coleman families
content:: Firtina Kucuk (UCD)
:: UCD Algebra and Number Theory seminar
(http://maths.ucd.ie/seminarseries/Algebra)
location:: Seminar Room SCN 1.25
date-time:: Thu 31st Mar 2022 at 2:00PM

--0000000000001f480b05db0559ad
Content-Type: text/html; charset="UTF-8"
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    UCD School of Mathematics a=
nd Statistics - Seminar Notice

=20
	Speaker: Firtina Kucuk (UCD)
=20
	Title: Factorization of algebraic p-adic L-functions attached to ad=
joint representations of Coleman families

=20
	Date: Thu 31st March 2022
=20
	Time: 2:00PM=20
=20
	Location: Seminar Room SCN 1.25

Abstract: Artin formalism dictates a factorization of L-functions wh=
en the associated motive decomposes. The p-adic variant of the Artin formal=
ism turns out to be a highly non-trivial problem in the absence of critical=
 values. This arises, for example, when the motive in question is the one t=
hat comes attached to a self-Rankin-Selberg product of a modular form. In t=
his scenario, Dasgupta and=C2=A0 Loeffler=E2=80=93Arlandini proved the Arti=
n formalism for the relevant p-adic L-functions. To even make sense of thes=
e results, one needs to work with families of modular forms passing through=
 the modular form in question. In this talk, I will give an overview of the=
se concepts, and then discuss the algebraic counterpart of this=C2=A0proble=
m=C2=A0in the p-non-ordinary setting and how one can resolve these.
    Further informatio=
n: https://maths.ucd.ie/~kazim_b/UCD_ANT_Seminar.html=20

-------------------------------------------------------------
For other seminars in the Algebra and Number Theory series, see http://maths.u=
cd.ie/seminarseries/Algebra

-------------------------------------------------------------
The following formats the above notice so as to be included in the mathdep =
google calendar

title:: Factorization of algebraic p-adic L-functions attached to adjoint r=
epresentations of Coleman families
content:: Firtina Kucuk (UCD)
:: UCD Algebra and Number Theory seminar (http://maths.ucd.ie/seminarseries/Al=
gebra)=20
location:: Seminar Room SCN 1.25
date-time:: Thu 31st Mar 2022 at 2:00PM  
    

--0000000000001f480b05db0559ad--

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Date:         Fri, 25 Mar 2022 09:06:55 +0000
Reply-To:     "Romina.Gaburro" 
Sender:       UCD Maths Department Distribution List 
From:         "Romina.Gaburro" 
Subject: Maths: MACSI Zoom seminar, TODAY, March 25th at 15.00.
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Dear All,



the next MACSI Zoom seminar at the Department of Mathematics and Statistics=
, University of Limerick will be given by Shari Moskow (Drexel University) =
TODAY, Friday the 25th of March. Please find below the details of the semin=
ar.



Zoom connection details:


Join Zoom Meeting


Meeting ID: 885 6907 9269
Passcode: 775975


Date:  Friday, March 25, 2022 at 15.00.


Speaker: Prof Shari Moskow (Department of Mathematics, Drexel University, U=
.S.).


Title: Lippmann-Schwinger-Lanczos algorithm for inverse scattering problems=
.

Abstract: We combine data-driven reduced order models (ROM) with the Lippma=
nn- Schwinger integral equation to produce a direct nonlinear inversion met=
hod. The ROM is viewed as a Galerkin projection and is sparse due to Lanczo=
s orthogonalization. Embedding into the continuous problem, a data-driven i=
nternal solution is produced. This internal solution is then used in the Li=
ppmann-Schwinger equation, in a direct or iterative framework. The new appr=
oach also allows us to process non-square matrix-valued data-transfer funct=
ions, i.e., to remove the main limitation of the earlier versions of the RO=
M based inversion algorithms. We show numerical experiments for spectral do=
main data for which our inversion is far superior to the Born inversion.



Further Information: If you have any questions regarding this seminar, plea=
se direct them to Romina Gaburro (061 2131930, romina.gaburro ul.ie

) or Clifford Nolan (061 202766, clifford.nolan ul.ie).



---------------------------------------------------------------------------=
-

MACSI - the Mathematics Applications Consortium for Science and Industry (w=
ww.macsi.ul.ie), centred at the University of Lime=
rick, is dedicated to the mathematical modelling and solution of problems w=
hich arise in science, engineering and industry in Ireland.



Best wishes,

Romina Gaburro and Cliff Nolan





--_000_DB9PR03MB76283EDBCE82D8CFD65CCA00871A9DB9PR03MB7628eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable








    

    

    

    

    

    

    

    

    

    

    

    

    


    
Dear All,&n=
bsp;

    
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    
&=
nbsp;
    

    
the next MACSI&=
nbsp;Zoom seminar at the Department of Mathematics and Statistics, Uni=
versity of Limerick will be given by Shari Moskow (Drexel
 University) TODAY, Friday the 25=
th of March. Please find below the details of the seminar.=
 
    

    
&=
nbsp;
    

    
<=
/span>
    

    
Zoom connection details:
    

    

    

    

    

    
Join
 Zoom Meeting
    
<https://us06web.zoom.us/j/88569079269?pwd=3DcUdYdWZYUEdRakNFdFp2Y=
3c3bVBHdz09>
    

    
Meeting ID: 885 6907 =
9269
    Passcode: 775975
    

    

    


    

    

    

    
Date:  Friday,
 March 25, 2022 at 15.00.=

    

    

    

    

    

    

    
Speake=
r: Prof
 Shari Moskow (Department of Mathematics, Drexel U=
niversity, U.S.). 
    

    

    

    

    

    
Title: Lippmann-Schwinger-Lanczo=
s
 algorithm for inverse scattering problems.

    


    Abstract:
We combine data-driven reduced order models (ROM=
) with the Lippmann- Schwinger integral equation to produce a direct nonlin=
ear inversion method. The ROM is viewed
 as a Galerkin projection and is sparse due to Lanczos orthogonalization. E=
mbedding into the continuous problem, a data-driven internal solution is pr=
oduced. This internal solution is then used in the Lippmann-Schwinger equat=
ion, in a direct or iterative framework.
 The new approach also allows us to process non-square matrix-valued data-t=
ransfer functions, i.e., to remove the main limitation of the earlier versi=
ons of the ROM based inversion algorithms. We show numerical experiments fo=
r spectral domain data for which
 our inversion is far superior to the Born inversion.
    

    

    

    

    

    
=

    

    

    

    

    
=
Further Information: If you have any questions regarding this&=
nbsp;seminar, please direct them to Romina Gaburro (061 2131930, romina.gaburro ul.ie
    
) or Clifford Nolan (061 202766, clifford.nolan ul.ie).
    

    

    

    

    

    
&nb=
sp;
    

    

    

    


    


    
---=
-------------------------------------------------------------------------
    
    		

    
    

    

    

    

    

    
MAC=
SI - the Mathematics Applications Consortium for Science and Industr=
y (www.macsi.ul.ie<=
/span>),
 centred at the University of Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.
    

    
&nb=
sp;
    

    
Bes=
t wishes,
    

    
Rom=
ina Gaburro and Cliff Nolan
    

    

    
 
    

    

    
 
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    



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Dear colleagues,

The next Mathematics and Statistics Colloquium for this academic year takes=
 place Wednesday 30th March at 3pm. The talk will be held virtually via Mic=
rosoft Teams. Details of the talk and a link to join the meeting are given =
below.

All are welcome!

BR,
G

__________________________________________________________________________

Speaker: Dr Xavier Emery, Advanced Mining Technology Center, University of =
Chile/Department of Mining Engineering, University of Chile

Title: Flexible validity conditions for the multivariate Mat=E9rn covarianc=
e in any space dimension and for any number of components

Click to join:
Microsoft Teams meeting
Join on your computer or mobile app
Click here to join the meeting
Learn more | Meeting options

Abstract:
Flexible multivariate covariance models for spatial data are in demand. Thi=
s work addresses the problem of parametric constraints ensuring positive se=
midefiniteness of the multivariate Mat=E9rn model. Much attention has been =
given to the bivariate case, while highly multivariate cases have been expl=
ored to a limited extent only. The existing conditions often imply severe r=
estrictions on the upper bounds for the collocated correlation coefficients=
, which makes the multivariate Mat=E9rn model appealing for the case of wea=
k spatial cross-dependence only. We provide a collection of validity condit=
ions for the multivariate Mat=E9rn covariance model that allows for more fl=
exible parameterizations than those currently available and prove that, und=
er these new conditions, much higher upper bounds can be obtained for the c=
ollocated correlation coefficients.



Galatia Cleanthous
Assistant Professor
National University of Ireland,
Maynooth
Home (google.com)

[cid:d8140c1e-95fd-421a-b660-4117f49c0725]


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Dear
 colleagues,=

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    


    

    

    The nex=
t Mathematics and Statistics Colloquium for this academic year takes place<=
/span> Wednesday 30th March at
 3pm. The talk will be=
 held virtually via Microsoft Teams. Details of the talk and a link to join=
 the meeting are given below. 
    


    

    

    All are=
 welcome!
    


    

    

    BR,  
    
G
    


    

    

    ________________________________=
__________________________________________


    

    
Speaker: Dr Xavier Emery, Advanced M=
ining Technology Center, University of Chile/Department of Mining Engineeri=
ng, University of Chile
    

    

    

    Ti=
tle: Flexible validity conditions for the multivariate Mat=E9rn co=
variance in any space dimension and for any number
 of components
    

    
Click to join:
    

    Microsoft Teams meeting

    

    Join on your computer or mobile app
    
Click
 here to join the meeting
    
Learn
 more | 
Meeting options
    

    

    

    

    Ab=
stract:
    
Flexible multivariate covariance models for spatial data are in demand. Thi=
s work addresses the problem of parametric constraints ensuring positive se=
midefiniteness of the multivariate Mat=E9rn model. Much attention has been =
given to the bivariate case, while
 highly multivariate cases have been explored to a limited extent only. The=
 existing conditions often imply severe restrictions on the upper bounds fo=
r the collocated correlation coefficients, which makes the multivariate Mat=
=E9rn model appealing for the case
 of weak spatial cross-dependence only. We provide a collection of validity=
 conditions for the multivariate Mat=E9rn covariance model that allows for =
more flexible parameterizations than those currently available and prove th=
at, under these new conditions, much
 higher upper bounds can be obtained for the collocated correlation coeffic=
ients.
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    Galatia Cleanthous
    

    

    Assistant Professor
    

    

    National University of Ireland,
    
Maynooth
    
Home (google.c=
om)
    

    


    

    

    

    

    



--_000_DB9PR02MB6537A3CCB1990AA7BF12B1AB891A9DB9PR02MB6537eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 28 10:47:06 2022
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Subject: maths: Irish Geometry Seminar, Tuesday, 29 March, 2pm
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--------------jpVr8riEe90bzEVazv8pot1I
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Dear colleagues,

It is my pleasure to announce this week's talk in the Irish Geometry 
Seminar.  The seminar will take place at *2pm (Irish time) on Tuesday, 
29 March*. /

[For attendees from the US, please note that ///Daylight Saving Time has 
begun in the EU/, so this week's talk will begin at //_//9am Eastern/6am 
Pacific//_.]/

-----------------------------------------------
_Speaker:_ Asma Hassannezhad (University of Bristol)

_Title:_ Nodal counts for the Dirichlet-to Neumann operators with potential

_Abstract:_ The zero set of an eigenfunction is called the nodal set and 
the connected components of its complement are called the Nodal domains. 
The well-known Courant nodal domain theorem gives an upper bound for the 
nodal count of Laplace eigenfunctions on a compact manifold.  We 
consider the harmonic extension of eigenfunctions of the 
Dirichlet-to-Neumann operators with potential. When the potential is 
zero, these harmonic extensions are called the Steklov eigenfunctions. 
It has been known that the Courant nodal domain theorem holds for 
Steklov eigenfunctions. We discuss how we can get a Courant-type bound 
for the nodal count of the Dirichlet-to-Neumann operator in the presence 
of a potential.

This is joint work with David Sher.


_Zoom details:_
Direct link: 
https://nuigalway-ie.zoom.us/j/95219875196?pwd=ZE9yNTJ2ZmtwR01PVnZMeDB6SGUyUT09

Meeting ID: 952 1987 5196
Passcode: 662475
-----------------------------------------------

The full schedule of talks is available at 
https://sites.google.com/view/irishgeomseminar/home.

We're looking forward to you joining us.

All the best,
Martin
--------------jpVr8riEe90bzEVazv8pot1I
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    Dear colleagues,
    
    It is my pleasure to announce this week's talk in the Irish Geometry
    Seminar.  The seminar will take place at 2pm (Irish time) on
      Tuesday, 29 March.  
    
      
    
      [For attendees from the US, please note that     Daylight
        Saving Time has begun in the EU, so this week's talk will
      begin at 9am Eastern/6am
              Pacific.]
    
    
    
    -----------------------------------------------
    
    Speaker: Asma Hassannezhad (University of Bristol)
    
    
    
    Title: Nodal counts for the Dirichlet-to Neumann operators
    with potential
    
    
    
    Abstract: The zero set of an eigenfunction is called the
    nodal set and the connected components of its complement are called
    the Nodal domains. The well-known Courant nodal domain theorem gives
    an upper bound for the nodal count of Laplace eigenfunctions on a
    compact manifold.  We consider the harmonic extension of
    eigenfunctions of the Dirichlet-to-Neumann operators with potential.
    When the potential is zero, these harmonic extensions are called the
    Steklov eigenfunctions. It has been known that the Courant nodal
    domain theorem holds for Steklov eigenfunctions. We discuss how we
    can get a Courant-type bound for the nodal count of the
    Dirichlet-to-Neumann operator in the presence of a potential.
    
    
    
    This is joint work with David Sher.
    
    
    
    
    
    Zoom details:
    
    Direct link: 
https://nuigalway-ie.zoom.us/j/95219875196?pwd=ZE9yNTJ2ZmtwR01PVnZMeDB6SGUyUT09
    
    
    
    Meeting ID: 952 1987 5196
    
    Passcode: 662475
    
    -----------------------------------------------
    
    
    
    The full schedule of talks is available at https://sites.google.com/view/irishgeomseminar/home.
    
    
    
    We're looking forward to you joining us.
    
    
    
    All the best,
    
    Martin
  


--------------jpVr8riEe90bzEVazv8pot1I--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 28 12:56:23 2022
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Subject: Dublin Theoretical Physics Colloquium
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Dear All,

Next Wednesday, 30th of March at 4pm we will have the next Dublin
Theoretical Physics Colloquium

Title: The dance of the muon
Speaker: Aida El-Khadra (University of Illinois at Urbana-Champaign)

Abstract:
More than eighty years after the muon was first discovered, it is still 
a source of mystery. Indeed, several experiments are underway or planned 
that use muons as a window to search for new physics — a central goal of 
the high energy physics community. In an exciting development, last 
year's announcement by the Fermilab experiment of it's first measurement 
result sharpens the long-standing tension between experiment and theory 
for the muon’s magnetic moment to 4.2 standard deviations. The Fermilab 
experiment's measurement uncertainty will continue to improve, with the 
ultimate goal of reducing it by a factor of four. In addition, a planned 
experiment in Japan will provide a completely independent measurement of 
this quantity. After a brief tour of its history, I will discuss the 
ongoing interplay between theory and experiment that is essential for 
unlocking the discovery potential of this effort.

https://tcd-ie.zoom.us/j/91438990604?pwd=a0JsY21hRWZpUTJpenN2TW4zM2tEZz09

Meeting ID: 914 3899 0604
Passcode: 716320

See you all there,
Best,
Ana, Marius, Fabrizio

PS.: You can check the next Colloquiums and Seminars in the website:
https://sites.google.com/view/tcd-colloquiums-and-seminars/home

PS.: If you missed any of the previous Colloquiums, you can watch them
in our Youtube channel
https://www.youtube.com/channel/UCh1QXrSmsPuxgdB_cJfAKbw

title:: Dublin Theoretical Physics Colloquium
content:: Aida El-Khadra (University of Illinois at Urbana-Champaign)
:: The dance of the muon::
date-time:: 30th of March 2022 at 4pm

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 28 15:32:12 2022
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Subject: Maths: STP, DIAS - Summer Studentships 2022
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DIAS Summer Studentships – School of Theoretical Physics – 2022

As part of the DIAS Summer Studentships programme the School of 
Theoretical Physics of the Dublin Institute for Advanced Studies is 
delighted to be in a position to offer at least four Summer 
Studentships.

The stipend is for a total scholarship of €3,000 and covers a two month 
internship starting in early June 2022.

A successful candidate should be in line for a 1st class honours degree, 
have an interest in a research career in Theoretical Physics or 
Mathematics, while currently completing their 3rd year at an Irish 
higher education institution.

STP offers the opportunity to pursue junior research projects in quantum 
gravity, quantum field theory, string and M-theory, condensed matter 
physics and topics related to quantum computing.

DIAS is committed to gender balance, equality and diversity.

The closing date for applications is 23:59 on Sunday April 10th. 
Successful candidates will be notified by email.

The application should consist of:

i) a CV (max 2 pages),

ii) a statement of why the applicant wants to pursue a career in the 
relevant research area (max 1 page),

iii) a letter from the head of department or other senior person in the 
department supporting the application and stating that the candidate is 
in line for a 1st class honours degree,

iv) the application and letter should be uploaded as pdf files (please 
do not use other formats) before the closing date.

Apply: https://www.dias.ie/positions/index.php?p=1648219548

-- 
Mr. George Rogers | Librarian & School Administrator
School of Theoretical Physics
Dublin Institute for Advanced Studies
10 Burlington Road, Dublin 4 - D04 C932
Tel: +353-1-6140104
www.dias.ie
#DIASdiscovers

https://twitter.com/StpDias
https://facebook.com/stp.dias

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Message-ID:  
Date:         Tue, 29 Mar 2022 08:05:41 +0000
Reply-To:     Galatia Cleanthous 
Sender:       UCD Maths Department Distribution List 
From:         Galatia Cleanthous 
Subject: Maths: MU Maths&Stats Colloquium
Comments: To: MathsStatsStaff
          ,
          Theoretical Physics ,
          mathsstatspgresearch
          
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Dear colleagues,

This is a reminder that:

The next Mathematics and Statistics Colloquium for this academic year takes=
 place Wednesday 30th March at 3pm. The talk will be held virtually via Mic=
rosoft Teams. Details of the talk and a link to join the meeting are given =
below.

All are welcome!

BR,
G

__________________________________________________________________________

Speaker: Dr Xavier Emery, Advanced Mining Technology Center, University of =
Chile/Department of Mining Engineering, University of Chile

Title: Flexible validity conditions for the multivariate Mat=E9rn covarianc=
e in any space dimension and for any number of components

Click to join:
Microsoft Teams meeting
Join on your computer or mobile app
Click here to join the meeting
Learn more | Meeting options

Abstract:
Flexible multivariate covariance models for spatial data are in demand. Thi=
s work addresses the problem of parametric constraints ensuring positive se=
midefiniteness of the multivariate Mat=E9rn model. Much attention has been =
given to the bivariate case, while highly multivariate cases have been expl=
ored to a limited extent only. The existing conditions often imply severe r=
estrictions on the upper bounds for the collocated correlation coefficients=
, which makes the multivariate Mat=E9rn model appealing for the case of wea=
k spatial cross-dependence only. We provide a collection of validity condit=
ions for the multivariate Mat=E9rn covariance model that allows for more fl=
exible parameterizations than those currently available and prove that, und=
er these new conditions, much higher upper bounds can be obtained for the c=
ollocated correlation coefficients.



Galatia Cleanthous
Assistant Professor
National University of Ireland,
Maynooth
Home (google.com)

[cid:c3975561-fed8-4dc2-b90d-43384a1fa2a1]


--_000_DB9PR02MB653706A9CC44A964AECD9C32891E9DB9PR02MB6537eurp_
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Dear
 colleagues,=

    

    

    

    

    
This is a reminder that:
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    


    

    

    The nex=
t Mathematics and Statistics Colloquium for this academic year takes place<=
/span> Wednesday 30th March at
 3pm. The talk will be=
 held virtually via Microsoft Teams. Details of the talk and a link to join=
 the meeting are given below. 
    


    

    

    All are=
 welcome!
    


    

    

    BR,  
    
G
    


    

    

    ________________________________=
__________________________________________


    

    
Speaker: Dr Xavier Emery, Advanced M=
ining Technology Center, University of Chile/Department of Mining Engineeri=
ng, University of Chile
    

    

    

    Ti=
tle: Flexible validity conditions for the multivariate Mat=E9rn co=
variance in any space dimension and for any number
 of components
    

    
Click to join:
    

    Microsoft Teams meeting

    

    Join on your computer or mobile app
    
Click
 here to join the meeting
    
Learn
 more | Meeting
 options
    

    

    

    

    Ab=
stract:
    
Flexible multivariate covariance models for spatial data are in demand. Thi=
s work addresses the problem of parametric constraints ensuring positive se=
midefiniteness of the multivariate Mat=E9rn model. Much attention has been =
given to the bivariate case, while
 highly multivariate cases have been explored to a limited extent only. The=
 existing conditions often imply severe restrictions on the upper bounds fo=
r the collocated correlation coefficients, which makes the multivariate Mat=
=E9rn model appealing for the case
 of weak spatial cross-dependence only. We provide a collection of validity=
 conditions for the multivariate Mat=E9rn covariance model that allows for =
more flexible parameterizations than those currently available and prove th=
at, under these new conditions, much
 higher upper bounds can be obtained for the collocated correlation coeffic=
ients.
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    Galatia Cleanthous
    

    

    Assistant Professor
    

    

    National University of Ireland,
    
Maynooth
    
Home (google.c=
om)
    

    


    

    

    

    

    



--_000_DB9PR02MB653706A9CC44A964AECD9C32891E9DB9PR02MB6537eurp_--

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Date:         Tue, 29 Mar 2022 22:08:34 +0100
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From:         Peter Lynch 
Subject: Maths: That's Maths III available at low cost
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The third volume in the "That's Maths" series has been published
by Logic Press.  The book is ideal for everyone interested in
mathematics.  It is highly relevant for those fond of the history
of maths, or of the many areas of recreational maths.  Maths teachers
will find much here to add zest to their classes.

Volume 2 of the series was reviewed favourably in the Notices of
the American Mathematical Society last November (Vol 68, No 10),
which said: "That=E2=80=99s Maths II is ideal for a precocious calculus
student or an undergraduate mathematics major seeking a book full
of interesting mathematical curiosities."

The book is available at low cost for the next three weeks, through
logicpress.ie/authors/lynch/



















--Apple-Mail=_D62384D9-057D-4D15-AF3C-87F66E58B752
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    The=
 third volume in the "That's Maths" series has been =
published
    by Logic Press.  The book is ideal =
for everyone interested in
    mathematics.  It =
is highly relevant for those fond of the history
    of =
maths, or of the many areas of recreational maths.  Maths =
teachers
    will find much here to add zest to their =
classes.

    Volume 2 of the series =
was reviewed favourably in the Notices of
    the=
 American Mathematical Society last November (Vol 68, No =
10),
    which said: "That=E2=80=99s Maths II is =
ideal for a precocious calculus
    student or an =
undergraduate mathematics major seeking a book full
    of =
interesting mathematical curiosities."

    The=
 book is available at low cost for the next three weeks, =
through
    logicpress.ie/authors/lynch/

















    

    

    =

--Apple-Mail=_D62384D9-057D-4D15-AF3C-87F66E58B752--

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 30 11:01:08 2022
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Date:         Wed, 30 Mar 2022 11:00:33 +0100
Reply-To:     Hermann Render 
Sender:       UCD Maths Department Distribution List 
From:         Hermann Render 
Subject: maths: Wednesday, 13 April 2022 -- Colloquium Series of the UCD School of Mathematics and Statistics
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                *UCD School of Mathematics and Statistics Colloquium
Series  *



Dear All



The School of Mathematics and Statistics cordially invites you to the
following talk

in our  COLLOQUIUM  SERIES



*SPEAKER:   *Professor  Tim Dokchitser (University of Bristol)



*TITLE:   *Names of finite groups

*TIME *: Wednesday 13th  April  2022 ,  16.00=E2=80=9416.50



*LOCATION *:   Room  N1.25 North Science  (O'Brien Centre), UCD



*COFFEE MEETING *:    Common Room, from 15.20=E2=80=9416.00


Abstract: Classification and understanding of symmetries have fascinated
mathematicians for a very long time. This is roughly the subject of modern
group theory, and it goes back to at least the 18th century. I will explain
what groups are and why some of them got much more attention than others.
Giving names to finite groups turns out to be quite a non-trivial problem,
and there is no currently accepted naming convention for them, despite
their ubiquitous use in many areas of mathematics, physics, chemistry and
crystallography. I will explain why this is difficult, what could be
possible ways to solve this problem, and what we really mean by having a
good classification of groups. This is closely related to the
groupnames.org project,
and I will describe it and mention some of the outstanding problems in
computational group theory that it led to.

*ADDITIONAL COMMENT*:   On Thursday, 14th April, 2 pm, Prof. Dokchitser
will give a second  talk at the Algebra and Number Theory seminar (same
room) with the

*Title*:   Constructing Galois groups over Q



--=20
Dr Hermann Render
University College Dublin
School of Mathematics and Statistics
Dublin, Ireland

--0000000000003523f305db6c9e4d
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


    


    =C2=A0<=
/p>


    =C2=A0 =C2=A0 =C2=A0 =C2=A0
=C2=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0UCD School of Mathematics and
Statistics=C2=A0Colloquium Series=C2=A0 
    


    =C2=A0
    


    Dear All=C2=A0
    


    =C2=A0
    


    The
School of Mathematics and Statistics cordially invites you to the following
talk 
    


     in our=C2=A0 COLLOQUIUM=C2=
=A0=C2=A0SERIES=C2=A0 =C2=A0 =C2=A0
=C2=A0 =C2=A0
    


    =C2=A0
    


    SPEAKER:=C2=A0
=C2=A0Professor =C2=A0Tim Dokchitser (University of Br=
istol)
    


    =C2=A0 =C2=A0
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0
    


    TITLE:=C2=A0 =C2=A0Names of finite groups =C2=A0
    


    TIME=C2=A0:=C2=A0Wednesd=
ay 13th=C2=A0 April=C2=A0
2022 ,=C2=A0 16.00=E2=80=9416.50 =C2=A0
    


    =C2=A0
    


    LOCATION=C2=A0:=C2=A0=C2=
=A0=C2=A0Room=C2=A0 N1.25 North Science =C2=A0(O'Brien Centre), UCD=C2=
=A0
    


    =C2=A0
    


    COFFEE MEETING=C2=A0:=C2=
=A0=C2=A0=C2=A0=C2=A0Common
Room, from 15.20=E2=80=9416.00=C2=A0 
    



    
Abstract: Classification and understanding of symmetries have fascinated
mathematicians for a very long time. This is roughly the subject of modern
group theory, and it goes back to at least the 18th century. I will explain
what groups are and why some of them got much more attention than others.
Giving names to finite groups turns out to be quite a non-trivial problem, =
and
there is no currently accepted naming convention for them, despite their
ubiquitous use in many areas of mathematics, physics, chemistry and
crystallography. I will explain why this is difficult, what could be possib=
le
ways to solve this problem, and what we really mean by having a good
classification of groups. This is closely related to the=C2=A0groupnames.org=C2=A0project, and I will
describe it and mention some of the outstanding problems in computational g=
roup
theory that it led to.
    


    ADDITIONAL COMMENT:=C2=A0=C2=A0=C2=A0On Thursday, 14th April, 2 pm, Prof. Dokchitser will give a
second =C2=A0talk at the Algebra and Number
Theory seminar (same room) with the 
    


    Title:=C2=A0=C2=A0=C2=A0Constructing Galois groups over =
Q
    


    =C2=A0

    -- 
    Dr Hermann RenderUniversity College Dublin=C2=A0
    School of Mathematics and Statis=
tics
    Dublin, Ireland

    =

    

--0000000000003523f305db6c9e4d--

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noemail::
title:: UCD COLLOQUIUM SERIES
content:: Professor  TIM DOKCHITSER  (University of Bristol) will speak on
::   Names of finite groups
date-time:: Wednesday 13th April, 2022  at 16.00
location:: UCD  Science North 125
endevent::

-- 
Dr Hermann Render
University College Dublin
School of Mathematics and Statistics
Dublin, Ireland

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    noemail::
    title::=C2=A0UCD=C2=A0COLLOQUIUM=C2=A0SERIES
    c=
ontent:: Professor=C2=A0=C2=A0TIM DOKC=
HITSER=C2=A0 (University of Bristol) will speak on
    ::=C2=A0 =C2=
=A0Names of finite groups=C2=A0=
=C2=A0
    date-time:: Wednesday 13th April, 2022=C2=A0 at 16.00=C2=A0
    lo=
cation::=C2=A0UCD=C2=A0=C2=A0Science North 125=C2=A0
    endevent::

    -- 
    Dr Hermann Render
    University College Dublin=C2=A0
    =

    School of Mathematics and Statistics
    Dublin, Ireland

    

--0000000000005bd0b405db6cb2d6--

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 30 12:03:08 2022
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Dear All,

Today, 30th of March at 4pm we will have the next Dublin
Theoretical Physics Colloquium

Title: The dance of the muon
Speaker: Aida El-Khadra (University of Illinois at Urbana-Champaign)

Abstract:
More than eighty years after the muon was first discovered, it is still
a source of mystery. Indeed, several experiments are underway or planned
that use muons as a window to search for new physics — a central goal of
the high energy physics community. In an exciting development, last
year's announcement by the Fermilab experiment of it's first measurement
result sharpens the long-standing tension between experiment and theory
for the muon’s magnetic moment to 4.2 standard deviations. The Fermilab
experiment's measurement uncertainty will continue to improve, with the
ultimate goal of reducing it by a factor of four. In addition, a planned
experiment in Japan will provide a completely independent measurement of
this quantity. After a brief tour of its history, I will discuss the
ongoing interplay between theory and experiment that is essential for
unlocking the discovery potential of this effort.

https://tcd-ie.zoom.us/j/91438990604?pwd=a0JsY21hRWZpUTJpenN2TW4zM2tEZz09

Meeting ID: 914 3899 0604
Passcode: 716320

See you all there,
Best,
Ana, Marius, Fabrizio

PS.: You can check the next Colloquiums and Seminars in the website:
https://sites.google.com/view/tcd-colloquiums-and-seminars/home

PS.: If you missed any of the previous Colloquiums, you can watch them
in our Youtube channel
https://www.youtube.com/channel/UCh1QXrSmsPuxgdB_cJfAKbw

title:: Dublin Theoretical Physics Colloquium
content:: Aida El-Khadra (University of Illinois at Urbana-Champaign)
:: The dance of the muon::
date-time:: 30th of March 2022 at 4pm

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 30 18:00:37 2022
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Date:         Wed, 30 Mar 2022 17:59:39 +0100
Reply-To:     "Denjoe O'Connor" 
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From:         "Denjoe O'Connor" 
Subject: maths: DIAS Zoominar Thursday March 31st 14:30 speaker Evangelos Sfakianakis
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  while the remaining parts are likely unreadable without MIME-aware tools.

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Dear Colleagues,
                 please join us for our upcoming Theoretical Physics Seminar on
Thursday March 31st by Evangelos Sfakianakis

Date: Thursday March 31st
Seminar Time: 14:30
https://us02web.zoom.us/j/6199730148?pwd=SjVGcTJWQmZZNndHenMyRStsL0lKdz09
Meeting ID: 619 973 0148
Passcode: 122512

                       Evangelos Sfakianakis
          Institute for High Energy Physics of Barcelona.
            (Institut de Física d’Altes Energies (IFAE))


Title: Field-space surprises in multi-field preheating.

Abstract: Not yet available.

With best wishes,
Denjoe.
--111151493-277701447-1648659579=:2094770--

From owner-mathdep LISTSERV.HEANET.IE  Thu Mar 31 11:15:48 2022
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Subject: maths: DIAS Zoominar Today March 31st 14:30 speaker Evangelos Sfakianakis
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Dear Colleagues,
                 please join us for our upcoming Theoretical Physics 
Seminar on Thursday March 31st by Evangelos Sfakianakis

Date: Thursday March 31st
Seminar Time: 14:30
https://us02web.zoom.us/j/6199730148?pwd=SjVGcTJWQmZZNndHenMyRStsL0lKdz09
Meeting ID: 619 973 0148
Passcode: 122512

                       Evangelos Sfakianakis
          Institute for High Energy Physics of Barcelona.
            (Institut de Física d’Altes Energies (IFAE))


Title: Field-space surprises in multi-field preheating.

Abstract:  I will discuss preheating in multi-field models of inflation 
with a curved fieldspace manifold, focusing on two well-studied families 
of models. The first includes Higgs inflation and models where the fields 
couple nonminimally to gravity. I will describe both analytical progress 
as well as recent lattice simulations that have been used to capture 
significant nonlinear effects like backreaction and rescattering. I will 
show how we can we extract the effective equation of state and typical 
time-scales for the onset of thermalization, quantities that could affect 
the usual mapping between predictions for primordial perturbation spectra 
and measurements of anisotropies in the cosmic microwave background 
radiation. For large values of the nonminimal coupling constants, 
efficient particle production gives rise to nearly instantaneous 
preheating. In the case of two-field generalizations of αα-attractor 
models with a highly curved hyperbolic field-space manifold, analytical 
progress can be made for preheating using the WKB approximation and 
Floquet analysis. I will show the emergence of a simple scaling behavior 
of the Floquet exponents for large values of the field-space curvature, 
that enables a quick estimation of the reheating efficiency for any large 
value of the fieldspace curvature. In this regime one can observe and 
explain universal preheating features that arise for different values of 
the potential steepness. For highly curved field-space manifolds 
preheating is essentially instantaneous.


With best wishes,
Denjoe.
--111151493-277701447-1648659579=:2094770--

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Subject: maths: Analysis seminar, Tue 5th April 2022
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UCD School of Mathematics and Statistics - Seminar Notice=0D
=0D
 =0D
	Speaker: K. Maronikolakis=0D
 =0D
	Title: Universal radial approximation in spaces of analytic functions=0D
=0D
 =0D
	Date: Tue 5th April 2022=0D
 =0D
	Time: 3:00PM=0D
 =0D
	Location: Seminar Room SCN 1.25=0D
=0D
Abstract: Charpentier showed that there exist holomorphic functions $f$ in =
the unit disk such that, for any proper compact subset $K$ of the unit circ=
le and any continuous function h on K, there exists an increasing sequence =
$(r_n) \in [0,1)$ converging to 1 such that $|f(r_n \zeta)-h(\zeta)|$ conve=
rges to $0$ as $n$ goes to infinity uniformly for $\zeta \in K$. In this ta=
lk, I will present analogues of this result for classical Banach spaces of =
analytic functions. In particular, for the case of the Hardy space $H^p$, w=
e have the following: if we fix a compact subset $K$ of the unit circle wit=
h zero arc length measure, then there exist functions in $H^p$ whose radial=
 limits can approximate every continuous function on $K$. I will also make =
connections with other classes of universal functions.=0D
=0D
 https://ucd-ie.zoom.us/j/66416459246=0D
=0D
Further information: https://ucd-ie.zoom.us/j/66416459246 =0D
=0D
-------------------------------------------------------------=0D
For other seminars in the Analysis series, see http://maths.ucd.ie/seminars=
eries/Analysis=0D
=0D
-------------------------------------------------------------=0D
The following formats the above notice so as to be included in the mathdep =
google calendar=0D
=0D
title:: Universal radial approximation in spaces of analytic functions=0D
content:: K. Maronikolakis =0D
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis) =0D
location:: Seminar Room SCN 1.25=0D
date-time:: Tue 5th April 2022 at 3:00PM=20=


----+--1648732728--+--
Content-Type: text/html; charset="utf-8"
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    UCD School of Mathematics and Statistics - Seminar Notice

    


    
 

    
	Speaker:  K. Maronikolakis

    
 

    
	Title: Universal radial approximation in spaces of analytic functions

    


    
 

    
	Date: Tue 5th April 2022

    
 

    
	Time: 3:00PM

    
 

    
	Location: Seminar Room SCN 1.25

    


    
Abstract: Charpentier showed that there exist holomorphic functions $f$ in the unit disk such that, for any proper compact subset $K$ of the unit circle and any continuous function h on K, there exists an increasing sequence $(r_n) \in [0,1)$ converging to 1 such that $|f(r_n \zeta)-h(\zeta)|$ converges to $0$ as $n$ goes to infinity uniformly for $\zeta \in K$. In this talk, I will present analogues of this result for classical Banach spaces of analytic functions. In particular, for the case of the Hardy space $H^p$, we have the following: if we fix a compact subset $K$ of the unit circle with zero arc length measure, then there exist functions in $H^p$ whose radial limits can approximate every continuous function on $K$. I will also make connections with other classes of universal functions.

    


    
 https://ucd-ie.zoom.us/j/66416459246

    


    
Further Information
    


    
-------------------------------------------------------------

    
For other seminars in the Analysis series, click http://maths.ucd.ie/seminarseries/Analysis

    


    
-------------------------------------------------------------

    
The following formats the above notice so as to be included in the mathdep google calendar

    


    
title:: Universal radial approximation in spaces of analytic functions

    
content:: K. Maronikolakis 

    
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis) 

    
location:: Seminar Room SCN 1.25

    
date-time:: Tue 5th April 2022 at 3:00PM 
    
----+--1648732728--+----

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Subject: Maths: Fifth Annual Huxley Lecture on the History of Mathematics (in-person and online)
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Dear all,

A reminder for the fifth annual Huxley Lecture on the History of Mathematic=
s by Professor Mathieu Ossendrijver from the Free University of Berlin, on =
Thursday 7th of April at 6pm.

It will run both in-person (JHL4, John Hume Building, North Campus, Maynoot=
h University) and online via zoom (https://us02web.zoom.us/j/87233261988).


Title: 'How Ancient Babylonians predicted the paths of planets'.



Further details are available at https://www.maynoothuniversity.ie/mathemat=
ics-and-statistics/huxleylecture2022


 Le meas,

Ciar=E1n


title:: Huxley Lecture on the History of Mathematics
content:: Professor Mathieu Ossendrijver
::  Maynooth University
:: How Ancient Babylonians predicted the paths of planets
date-time:: April 7 2022 at 6 p.m.
location:: Maynooth, JHL4, John Hume Building, North Campus and online (htt=
ps://us02web.zoom.us/j/87233261988)
endevent::



Dr. Ciar=E1n Mac an Bhaird


Assistant Professor and MSC Director


Department of Mathematics and Statistics


Maynooth University


https://www.maynoothuniversity.ie/people/ciar-n-mac-bhaird


http://supportcentre.maths.nuim.ie/


--_000_DB7PR02MB36427AF99404790FD97D9BAA8CE19DB7PR02MB3642eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable








    
Dear all,
    

    

    

    

    
A reminder for the fi=
fth
 annual Huxley Lecture&nbs=
p;on
 the History of Mathematics by Professor Mathieu Ossendrijver from the Free U=
niversity of Berlin, on Thursday 7th of April at 6pm.
    

    

    

    

    
It will run bo=
th in-person (JHL4, John Hume Building, North Campus, Maynooth University) =
and online via zoom (https://us02web.zoo=
m.us/j/87233261988).
    

    

    

    

    

    


    <=
span style=3D"margin:0px; font-size:12pt">

    


    

    

    


    

    

    

    


    

    
Title: 'How Ancient Babylonians predicted th=
e paths of planets'.
    

    

    

    
 
    

    


    

    

    

    

    

    

    


    <=
span style=3D"margin:0px; font-size:12pt"> Le
 meas,
    

    

    
Ciar=E1n
    

    

    

    

    

    

    
title:: Huxley Lecture on the History of Mathematics
    
content:: Professor
 Mathieu Ossendrijver
    
::  Maynooth Univ=
ersity 
    
:: How Ancient
 Babylonians predicted the paths of planets
    
date-time:: April 7 20=
22 at 6 p.m.
    
location:: Maynooth, J=
HL4, John Hume Building, North Campus and online (https://us02web.zoom.us/j/87233261988)
    
endevent::
    

    

    

    

    

    

    

    

    

    

    

    
Dr. Ciar=E1n Mac an Bhaird
    

    

    

    

    
Assistant Professor and MSC Director
    

    

    

    

    
Department of Mathematics and Statistics
    

    

    

    

    
Maynooth University
    

    

    

    

    
https://www.maynoothuniversity.ie/people/ciar-n-mac-bhaird
    

    

    

    

    

    
http://supportcentre.maths.nuim=
.ie/
    

    

    

    

    

    

    

    

    

    



--_000_DB7PR02MB36427AF99404790FD97D9BAA8CE19DB7PR02MB3642eurp_--

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Date:         Thu, 31 Mar 2022 19:27:43 +0000
Reply-To:     "Pfeiffer, Gotz" 
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From:         "Pfeiffer, Gotz" 
Subject: maths: Second Announcement: Workshop on Enumerative Combinatorics at NUIG on 7 April 2022
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Dear all,

This is the second announcement of an online afternoon Workshop in Enumerative Combinatorics taking place on the 7th April 2022. Everyone is invited to attend!

Confirmed speakers are:

  *   Neetu Jangid (DIAS, Dublin)
  *   Cian O'Brien (Cardiff University)
  *   Paolo Sentinelli (Politecnico di Milano)
  *   Christian Stump (Bochum University)
  *   Bridget Eileen Tenner (DePaul University, Chicago)

A webpage with a schedule and abstracts for this workshop can be found at the following link:

   https://angelacarnevale.github.io/wec22/

A Zoom link will appear on this page closer to the date.

Best regards,
Angela Carnevale, Mark Dukes and Gtz Pfeiffer

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Subject: Maths: MACSI seminar, Friday, March 3rd at 12.00
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Dear All,



the next MACSI seminar of the Autumn semester at the Department of Mathemat=
ics and Statistics, University of Limerick will be given by Shane Whelan (U=
niversity College Dublin) on Friday the 3rd of March. Details of the semina=
r are given below.


The seminar will be held in person in the Mathematics and Statistics semina=
r room A2002, main building and via Zoom at:


Join Zoom Meeting
https://us06web.zoom.us/j/85728858337?pwd=3DcDhrdXFLODlNVVNJMWNINDYySWFBQT0=
9

Meeting ID: 857 2885 8337
Passcode: 976167


Date:  Friday, March 3, 2023 at 12.00.


Speaker: Dr Shane Whelan (School of Mathematics & Statistics, University Co=
llege Dublin).


Title: Mortality and Longevity in Ireland.



Abstract: Shane will take us through some of the highlights of the research=
 in his recent book, Mortality and Longevity in Ireland, recently published=
 by Dublin University Press with the support of the Society of Actuaries in=
 Ireland. The talk will be an informal overview, focussing on some importan=
t issues with those interested in the detail directed to the different chap=
ters.

Shane will attempt to answer two questions:

  *   How long can those now alive in Ireland expect to live?

  *   How long can their children expect to live?

He will overview official mortality forecasts (on which he advises the CS0)=
. A simple two-parameter model that well described late-life mortality will=
 be outlined. He will mention stochastic approaches and show how to build s=
cenarios under a deterministic model, with associated probability levels. H=
e will discuss the wisdom, or not, of relying on longevity forecasts to cha=
nge the State retirement age. Putting a value on human life, he will review=
 how actuaries estimate lump sum compensation for future loss.  Finishing o=
n a much-needed action, he highlights that compensation for negligence in t=
he delivery of maternity services in Ireland is now higher than its day-to-=
day running costs and persistent recommendations for reform of the services=
 remain unimplemented.



Bio: Dr Shane Whelan is an actuary and Associate Professor in UCD School of=
 Mathematics & Statistics, and former Head of the Department of Statistics =
& Actuarial Science. He was the managing editor of the British Actuarial Jo=
urnal for several years and served on councils of the actuarial profession =
both in Ireland and the UK. He has been a member of the Central Statistics =
Office (CSO) Expert Group on Population Projections since 2007, was a membe=
r of the Pension Council of Ireland, and has assisted the High Court in det=
ermining damages in precedent-setting catastrophic personal injury cases. M=
uch of his research is available at www.shanewhelan.org.





Further Information: If you have any questions regarding this seminar, plea=
se direct them to Romina Gaburro (061 213193, romina.gaburro ul.ie) or Clifford Nolan (061 202766, clifford.nolan ul.ie).

---------------------------------------------------------------------------=
---------------

MACSI - the Mathematics Applications Consortium for Science and Industry (w=
ww.macsi.ul.ie), centred at the University =
of Limerick, is dedicated to the mathematical modelling and solution of pro=
blems which arise in science, engineering and industry in Ireland.


Best wishes,

Romina Gaburro and Cliff Nolan



--_000_DB9PR03MB7628893EBB1D8843BE2ACC9C87AD9DB9PR03MB7628eurp_
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Dear All,
    

    

    

    

    

    

    
 
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    
the next M=
ACSI seminar of
 the Autumn semester at the Department of Mathematics and Stati=
stics, University of Limerick will be given by Shane Whelan (University
 College Dublin) on Friday the 3rd of Ma=
rch. Details of the seminar are given below. 
    

    

    

    

    The=
 seminar&nb=
sp;will
 be held in person in the Mathematics and Statistics seminar room
 A2002, main building and via Zoom at: 
    

    

    

    
Join Zoom Meeting
    
https://us06web.zoom.us/j/85728858337?pwd=3DcDhrdXFLODlN=
VVNJMWNINDYySWFBQT09
    

    Meeting ID: 857 2885 8337
    
Passcode: 976167
    

    

    

    Date:  Friday, March 3, 2023 at
12.00.
    


    

    

    Speaker:
Dr Shane Whelan (School of Mathemati=
cs & Statistics, University College Dublin).
    


    

    

    

    

    

    

    

    

    
Title:
Mortality and Longevity in Ireland.
    

    
 
    

    
Abstract:
Shane will take us through some of the h=
ighlights of the research in his recent book,
Mortality and Longevity in Ireland, recently published by Dublin Uni=
versity Press with the support of the Society of Actuaries in Ireland. The =
talk will be an informal overview, focussing on some important issues with =
those interested in the detail directed
 to the different chapters. 
    

    
Shane will attempt to answer two questions:
    

      

    • 
How long can those now alive in Ireland expect to live?
    

      

    • 
How long can their children expect to live?
    

    
He will overview official mortality forecasts (on which he advises the CS0)=
. A simple two-parameter model that well described late-life mortality will=
 be outlined. He will mention stochastic approaches and show how to build s=
cenarios under a deterministic model,
 with associated probability levels. He will discuss the wisdom, or not, of=
 relying on longevity forecasts to change the State retirement age. Putting=
 a value on human life, he will review how actuaries estimate lump sum comp=
ensation for future loss.  Finishing
 on a much-needed action, he highlights that compensation for negligence in=
 the delivery of maternity services in Ireland is now higher than its day-t=
o-day running costs and persistent recommendations for reform of the servic=
es remain unimplemented.

    

    
 
    

    
Bio: Dr Shane Whelan is an actuary and Associate Professor in UCD Sc=
hool of Mathematics & Statistics, and former Head of the Department of =
Statistics & Actuarial Science. He was the managing editor of the
British Actuarial Journal for several years and served on councils o=
f the actuarial profession both in Ireland and the UK. He has been a member=
 of the Central Statistics Office (CSO) Expert Group on Population Projecti=
ons since 2007, was a member of
 the Pension Council of Ireland, and has assisted the High Court in determi=
ning damages in precedent-setting catastrophic personal injury cases. Much =
of his research is available at

www.shanewhelan.org.
    

    
 
    

    
 
    

    
Further Information=
: If you have any qu=
estions regarding this seminar, please direct them to Romina Gaburro (061
 213193, romi=
na.gaburro ul.ie) =
or Clifford Nolan (061 202766, clifford.nolan ul.ie). 
    

    

    

    

    

    

    

    

    
---------------------------=
---------------------------------------------------------------
    

    

    

    

    =
MACSI&n=
bsp;- the Mathematics Applications Consortium for
 Science and Industry (www.macsi.ul.ie),
 centred at the University of Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.
    

    =

    

    

    Best wishes,
    

    Romina Gaburro and Cliff Nolan
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    
 
    

    

    

    

    

    

    



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From owner-mathdep LISTSERV.HEANET.IE  Wed Mar  1 14:15:27 2023
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Date:         Wed, 1 Mar 2023 14:14:02 +0000
Reply-To:     Marvin Anas Hahn 
Sender:       UCD Maths Department Distribution List 
From:         Marvin Anas Hahn 
Subject: TCD Dublin Mathematics Colloquium =?utf-8?Q?=E2=80=93_?=2 February
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Dear all,

It is our pleasure to invite you to this week=E2=80=99s Dublin =
Mathematics Colloquium (https://www.maths.tcd.ie/~dmc/ =
) which takes places on Thursday 2nd =
March, 4pm in the New Seminar Room. Our speaker is Julie Rasmusen =
(University of Warwick), who will speak about:

title: THR of Poincar=C3=A9 infinity-categories
abstract: In recent years work by =
Calm=C3=A9s-Dotto-Harpaz-Hebestreit-Land-Moi-Nardin-Nikolaus-Steimle =
have moved the theory of Hermitian K-theory into the framework of stable =
infinity-categories. I will introduce the basic ideas and notions of =
this new theory, but as it is often the case when working with K-theory =
in any form, this is can be very hard to understand. I will therefore =
introduce a tool which might make our life a bit easier: Real =
Topological Hochschild Homology. I will explain the ingredients that =
goes into constructing in particular the geometric fixed points of this =
as a functor, generalising the formula for ring spectra with =
anti-involution of Dotto-Moi-Patchkoria-Reeh.


Best regards,
Florian Naef and Marvin Anas Hahn



title:: Dublin Mathematics Colloquium
content:: Julie Rasmusen will speak on
:: THR of Poincar=C3=A9 infinity-categories
:: https://www.maths.tcd.ie/~dmc/ 
date-time:: Thursday, March 2nd at 4:00pm
location:: New Seminar Room, Hamilton Building, TCD=

--Apple-Mail=_827C8BD3-A500-4B0C-9D06-E4340D0144C4
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	charset=utf-8


    Dear all,

    It is our pleasure to invite you to this week=E2=80=99s =
Dublin Mathematics Colloquium (https://www.maths.tcd.ie/~dmc/) which takes places on Thursday 2nd =
March, 4pm in the New Seminar =
Room. Our speaker is Julie Rasmusen =
(University of Warwick), who will speak =
about:

    title: THR of Poincar=C3=A9 =
infinity-categories
    abstract: In recent years work by =
Calm=C3=A9s-Dotto-Harpaz-Hebestreit-Land-Moi-Nardin-Nikolaus-Steimle =
have moved the theory of Hermitian K-theory into the framework of stable =
infinity-categories. I will introduce the basic ideas and notions of =
this new theory, but as it is often the case when working with K-theory =
in any form, this is can be very hard to understand. I will therefore =
introduce a tool which might make our life a bit easier: Real =
Topological Hochschild Homology. I will explain the ingredients that =
goes into constructing in particular the geometric fixed points of this =
as a functor, generalising the formula for ring spectra with =
anti-involution of Dotto-Moi-Patchkoria-Reeh.


    Best regards,
    Florian Naef and Marvin Anas =
Hahn



    title:: Dublin =
Mathematics Colloquium
    content:: =
Julie Rasmusen will speak =
on
    :: THR of Poincar=C3=A9 infinity-categories
    :: https://www.maths.tcd.ie/~dmc/
    date-time:: Thursday, March 2nd at 4:00pm
    location:: New Seminar Room, Hamilton =
Building, TCD
    =

--Apple-Mail=_827C8BD3-A500-4B0C-9D06-E4340D0144C4--

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar  1 15:37:42 2023
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Date:         Wed, 1 Mar 2023 15:35:46 +0000
Reply-To:     Christopher Boyd 
Sender:       UCD Maths Department Distribution List 
From:         Christopher Boyd 
Subject: maths: Analysis Seminar Tuesday 7th of March in UCD
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*Speaker: *R. Smith
*Title: *Lipschitz-free spaces and integral representation II

*Time: *3:00PM
*Date: *Tue 7th March 2023
*Location: *Seminar Room SCN 1.25

Abstract:
Given a complete metric space $(M,d)$ with base point $0$, let
$\mathcal{F}(M)$ denote the Lipschitz-free space over $M$, which is a
natural isometric predual of the space $\mathrm{Lip}_0(M)$ of
real-valued Lipschitz functions on $M$ that vanish at $0$. Let
$\widetilde{M}$ denote the set of ordered pairs of $M$ having different
coordinates, and let $\Phi:\mathrm{Lip}_0(M)\to C(\beta\widetilde M)$
denote the de Leeuw representation map, given by $\Phi f(x,y) =3D
(f(x)-f(y))/d(x,y)$, $(x,y) \in \widetilde{M}$, and extended
continuously to the Stone-=C4=8Cech compactification $\beta\widetilde M$.
Then the dual map $\Phi^*:C(\beta\widetilde M)^* \to
\mathrm{Lip}_0(M)^*$ is a non-expansive surjection.

In this second talk, we introduce the 'Lipschitz realcompactification'
$M^{\mathcal{R}}$ of $M$ and a natural lower semicontinuous extension
$\bar{d}$ of the metric $d$ to $M^{\mathcal{R}}$. Using
$(M^{\mathcal{R}},\bar{d})$, we analyse those elements $\psi \in
\mathrm{Lip}_0(M)^* \equiv \mathcal{F}(M)^{**}$ that 'avoid infinity'
(these include all elements of $\mathcal{F}(M)$). Our main result is
that if $\psi \in \mathrm{Lip}_0(M)^*$ avoids infinity and the measure
$\lambda \in C(\beta\widetilde M)^*$ is an optimal representation of
$\psi$, in the sense that $\lambda \geq 0$, $\Phi^*\lambda =3D \psi$ and
$\|\lambda\|=3D\|\psi\|$, then $\lambda$ is concentrated on a set $H
\subseteq \beta\widetilde M$ whose natural image in $M^{\mathcal{R}}
\times M^{\mathcal{R}}$ is $\bar{d}$-cyclically monotonic. Cyclical
monotonicity is a key property in optimal transport theory enjoyed by
optimal transport plans. In addition, we present the best possible
partial converse.

This is joint work with R. J. Aliaga (Valencia Polytechnic University)
and E. Perneck\'a (Czech Technical University, Prague)

https://ucd-ie.zoom.us/j/63310585520


title:: Lipschitz-free spaces and integral representation II
content:: R. Smith
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis)
location:: Seminar Room SCN 1.25
date-time:: Tue 7th March 2023 at 3:00PM

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Date:         Fri, 3 Mar 2023 07:37:00 +0000
Reply-To:     Anthony Cronin 
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From:         Anthony Cronin 
Subject: Maths: Sustaining Accessibility in Mathematics
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Dear colleagues,

We would like to invite you to attend an event Sustaining Accessibility in
Mathematics

on
Friday March 24 from 9am-4pm in the UCD Village

.

You will hear from international and national experts involved in
mathematics accessibility issues in higher education including:
Writing accessible digital mathematics with LaTeX or Markdown,
Dyslexia, Dyscalculia & Dyspraxia,
Mathematics Anxiety,
Mathematical Resilience,
Students' mathematical sense of belonging at university,
Supporting visually impaired students with mathematics, and
Efficacy of text-to-speech technology in reducing barriers to inclusive
reading in higher education.

More information including speakers and abstracts is available from the website
here

.
If attending please register

before
March 17th.

Anthony Cronin and Anthony Brown
University College Dublin

--000000000000f8dc2905f5fa073a
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    Dear colleagues,

    We would like=
 to invite you to attend an event=C2=A0Sustaining Accessibility in Mathematics=C2=A0on Friday March 24 =
from 9am-4pm in the=C2=A0UCD Village.

    You will hear from international and na=
tional experts involved in mathematics accessibility issues in higher education <=
/span>including:
    Writing accessible digital mathematics with LaTeX or Ma=
rkdown,
    Dyslexia, Dyscalculia & Dyspraxia,
    Mathematics Anxiety,Mathematical Resilience,
    Students' mathematical sense of belonging at universit=
y,=C2=A0
    S=
upporting visually impaired=C2=A0students with mathematics, and
    Efficacy=
 of text-to-speech technology in reducing barriers to inclusive reading in =
higher education.

    More information including speakers and abstracts =
is available from the=C2=A0website here.=C2=A0
    If attending please=C2=A0register=C2=A0before Ma=
rch=C2=A017th.

    Anth=
ony Cronin and Anthony Brown
    University College Dublin
    

    

--000000000000f8dc2905f5fa073a--

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Date:         Fri, 3 Mar 2023 14:22:02 +0000
Reply-To:     Isaac Burke 
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From:         Isaac Burke 
Subject: maths: MU Maths-Stats Colloquium, Wednesday 8th March
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Dear colleagues,

Next week's MU Mathematics and Statistics Colloquium takes place as usual o=
n Wednesday 8th March at 3pm in MS2, Logic House, Maynooth University. See =
below for details. All are welcome.

Best wishes,
Isaac

___________________________________________________________________________

Speaker: Dr Ioannis Tsokanos, University of Manchester

Title: Visibility Problems in Discrete Geometry

Abstract: In discrete geometry, the statement of a visibility problem usual=
ly reads as follows: "Fix a positive number =E5, a point set Y in the d-dim=
ensional Euclidean space and a family of lines L. Do all the lines of L com=
e =E5-close to the point set Y?" For these problems to be of interest, cond=
itions such as Y being a discrete set have to be imposed.

In view of this setup, a dense forest is a point-set F in the Euclidean spa=
ce such that, for every fixed =E5>0, F comes =E5-close to sufficiently long=
 line segments.  The weaker notion of an orchard is defined in the same way=
 but concerns only line segments which contain the origin.  The quality in =
the distribution of the points of a dense forest (resp. of an orchard) is b=
eing quantified in terms of a visibility function.

In this talk we will discuss new approaches for the construction of orchard=
s with optimal visibility bounds and a method which yields the construction=
 of a dense forest with the best visibility bound known in the literature. =
Our approach involves the study of structured point-sets from discrete geom=
etry such as spirals and Peres-type forests. This is joint work with Fausti=
n Adiceam.

___________________________________________________________________________

title:: MU Maths-Stats Colloquium
content:: Dr Ioannis Tsokanos
:: University of Manchester
:: presents a talk entitled "Visibility Problems in Discrete Geometry"
date-time:: 8th March 2023 at 3pm
location:: Room MS2, Logic House, Maynooth University
endevent::


--_000_AM6PR02MB41343F5D84D9CD538AD9DFFEFCB39AM6PR02MB4134eurp_
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Dear colleagues,


    

    

    Next week's MU Mathematics and Statistics =
Colloquium takes place as usual on
Wednesday 8th March at 3pm in MS2, Logic House, Maynooth University.=
 See below for details. All are welcome.
    


    

    

    Best wishes,
    

    Isaac
    


    

    

    _____________________________________________=
______________________________
    


    

    

    Speaker: Dr Ioannis Tsokanos, Universi=
ty of Manchester
    


    

    

    Title: Visibility Problems in Discrete=
 Geometry
    


    

    

    Abstract: In discrete geometry, the st=
atement of a visibility problem usually reads as follows: "Fix a posit=
ive number =E5, a point set Y in the d-dimensional Euclidean space and a fa=
mily of lines L. Do all the lines of L come
 =E5-close to the point set Y?" For these problems to be of interest, =
conditions such as Y being a discrete set have to be imposed.
    


    

    

    In view of this setup, a dense forest is a po=
int-set F in the Euclidean space such that, for every fixed =E5>0, F com=
es =E5-close to sufficiently long line segments.  The weaker notion of=
 an orchard is defined in the same way but concerns
 only line segments which contain the origin.  The quality in the dist=
ribution of the points of a dense forest (resp. of an orchard) is being qua=
ntified in terms of a visibility function.
    


    

    

    In this talk we will discuss new approaches f=
or the construction of orchards with optimal visibility bounds and a method=
 which yields the construction of a dense forest with the best visibility b=
ound known in the literature. Our
 approach involves the study of structured point-sets from discrete geometr=
y such as spirals and Peres-type forests. This is joint work with Faustin A=
diceam.
    


    

    

    _____________________________________________=
______________________________
    


    

    

    title:: MU Maths-Stats Colloquium
    

    content:: Dr Ioannis Tsokanos
    

    :: University of Manchester
    

    :: presents a talk entitled "Visibility =
Problems in Discrete Geometry"
    

    date-time:: 8th March 2023 at 3pm
    

    location:: Room MS2, Logic House, Maynooth Un=
iversity
    

    endevent::
    

    

    



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*Michael Tuite

(University of Galway)*



*Thu Mar 9, 15:00-16:00 *
Talk held in ADB1020

*Abstract: *Bers quasiforms were introduced in the 1960s in order to
construct potential functions for holomorphic differential forms on a
Riemann surface of genus g>1. I will discuss two novel applications
concerning general meromorphic forms: (I) the expansion of any such general
form in terms of Bers quasiforms and (II) a canonical differential operator
which acts on the space of such forms. These applications are natural
extensions of elementary properties of rational functions on the genus 0
Riemann sphere. The talk is aimed at a general audience with familiarity of
standard complex analysis, Cauchy's residue theorem and Stokes' theorem.

--00000000000019d51405f6396589
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    Michael
Tuite (University of Galway)
    


    =C2=A0
    


    Thu
Mar 9, 15:00-16:00=C2=A0
    
Talk held in ADB1020
    


    Abstract: Bers quasiforms were introduced in the 1960s in order t=
o
construct potential functions for holomorphic differential forms on a Riema=
nn
surface of genus g>1. I will
discuss two novel applications concerning general meromorphic forms: (I) th=
e
expansion of any such general form in terms of Bers quasiforms and (II) a
canonical differential operator which acts on the space of such forms. Thes=
e
applications are natural extensions of elementary properties of rational
functions on the genus 0
Riemann sphere. The talk is aimed at a general audience with familiarity of
standard complex analysis, Cauchy's residue theorem and Stokes' the=
orem.
    

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Subject: Maths: MSc in Mathematical Modelling - University of Limerick
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Dear All,

The University of Limerick is pleased to invite applications for the master=
's course in Mathematical Modelling for the academic year 2023/24. The MSc =
is run by the Department of Mathematics and Statistics in association with =
MACSI, the Mathematics Applications Consortium for Science and Industry cen=
tred in UL. Research in the Department, and in MACSI, focuses on applied ma=
thematical modelling, with a strong interest in complex networks, fluid mec=
hanics, inverse problems and imaging, numerical analysis, geoscience, comme=
rce and life sciences.


To apply for the course or for more information please visit https://www.ul=
.ie/gps/course/mathematical-modelling-msc or contact me directly at romina.=
gaburro ul.ie.

The deadline for applications is the 16th of June.


Best wishes,



Romina Gaburro, Course Director MSc in Mathematical Modelling

---------------------------------------------------------------------------=
------------

Dr. Romina Gaburro

Lecturer in Applied Mathematics

Department of Mathematics & Statistics

University of Limerick

Tel: +353 (0)61 213193

Fax: +353 (0)61 334927

Email: romina.gaburro ul.ie



--_000_DB9PR03MB7628D35479245872EC54DE2087B69DB9PR03MB7628eurp_
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    Dear All,
    

    

    

    &n=
bsp;
    

    

    

    The
University of Limer=
ick is pleased to invite applications for the master’s course in Mathematical=
 Modelling
for the academic year 2=
023/24. The MSc is run by the Department of Mat=
hematics and Statistics in association with
MACSI, the Mathematics Applications Consortium for Science and Industry=
 centred in UL.
Research in the Department, and in MACSI=
, focuses on applied mathematical modelling, with a strong interest in comp=
lex networks, fluid mechanics, inverse problems and imaging, numerical anal=
ysis, geoscience, commerce and life
 sciences.
    

    

    

    

     =
; 
    

    

    

    To appl=
y for the course or for more information please visit
https:/=
/www.ul.ie/gps/course/mathematical-modelling-msc or contact me dir=
ectly at
romina.gaburro ul.ie.
    

    

    

    &n=
bsp;
    

    

    

    The dea=
dline for applications is the 16th of
June.
    

    

    

     
    

    Best wishes,
    

     
    

    Romin=
a Gaburro, Course Director MSc in Mathematical Modelling<=
/p>

    ----------------------=
----------------------------------------------------------------- 
    

    Dr. Romina Gaburro
    

    Lecturer in Applied Mathematics=

    

    Department of Mathematics & Statistics=

    

    University of Limerick
    

    Tel: +353 (0)61 213193
    

    Fax: +353 (0)61 334927
    

    Email:
romina.gaburro ul.ie
    

     
    

    

    

    

    



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Date:         Tue, 7 Mar 2023 12:05:41 +0000
Reply-To:     Isaac Burke 
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From:         Isaac Burke 
Subject: maths: MU Maths-Stats Colloquium, Wednesday 8th March [tomorrow]
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Dear colleagues,

This is a reminder that:

This week's MU Mathematics and Statistics Colloquium takes place as usual o=
n Wednesday 8th March at 3pm in MS2, Logic House, Maynooth University. See =
below for details. All are welcome.

Best wishes,
Isaac

___________________________________________________________________________

Speaker: Dr Ioannis Tsokanos, University of Manchester

Title: Visibility Problems in Discrete Geometry

Abstract: In discrete geometry, the statement of a visibility problem usual=
ly reads as follows: "Fix a positive number =E5, a point set Y in the d-dim=
ensional Euclidean space and a family of lines L. Do all the lines of L com=
e =E5-close to the point set Y?" For these problems to be of interest, cond=
itions such as Y being a discrete set have to be imposed.

In view of this setup, a dense forest is a point-set F in the Euclidean spa=
ce such that, for every fixed =E5>0, F comes =E5-close to sufficiently long=
 line segments.  The weaker notion of an orchard is defined in the same way=
 but concerns only line segments which contain the origin.  The quality in =
the distribution of the points of a dense forest (resp. of an orchard) is b=
eing quantified in terms of a visibility function.

In this talk we will discuss new approaches for the construction of orchard=
s with optimal visibility bounds and a method which yields the construction=
 of a dense forest with the best visibility bound known in the literature. =
Our approach involves the study of structured point-sets from discrete geom=
etry such as spirals and Peres-type forests. This is joint work with Fausti=
n Adiceam.

___________________________________________________________________________


--_000_DB7PR02MB4137C63938C271EE41806A6AFCB79DB7PR02MB4137eurp_
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Dear colleagues,
    

    

    

    

    
This is a reminder that:
    


    

    

    This week's MU Mathematics =
and Statistics Colloquium takes place as usual on
Wednesday 8th March at 3pm in MS2, Logic House, Maynooth University.=
 See below for details. All are welcome.
    


    

    

    Best wishes,
    

    Isaac
    


    

    

    _____________________________________________=
______________________________
    


    

    

    Speaker: Dr Ioannis Tsokanos, Universi=
ty of Manchester
    


    

    

    Title: Visibility Problems in Discrete=
 Geometry
    


    

    

    Abstract: In discrete geometry, the st=
atement of a visibility problem usually reads as follows: "Fix a posit=
ive number =E5, a point set Y in the d-dimensional Euclidean space and a fa=
mily of lines L. Do all the lines of L come
 =E5-close to the point set Y?" For these problems to be of interest, =
conditions such as Y being a discrete set have to be imposed.
    


    

    

    In view of this setup, a dense forest is a po=
int-set F in the Euclidean space such that, for every fixed =E5>0, F com=
es =E5-close to sufficiently long line segments.  The weaker notion of=
 an orchard is defined in the same way but concerns
 only line segments which contain the origin.  The quality in the dist=
ribution of the points of a dense forest (resp. of an orchard) is being qua=
ntified in terms of a visibility function.
    


    

    

    In this talk we will discuss new approaches f=
or the construction of orchards with optimal visibility bounds and a method=
 which yields the construction of a dense forest with the best visibility b=
ound known in the literature. Our
 approach involves the study of structured point-sets from discrete geometr=
y such as spirals and Peres-type forests. This is joint work with Faustin A=
diceam.
    


    

    

    _____________________________________________=
______________________________
    

    

    



--_000_DB7PR02MB4137C63938C271EE41806A6AFCB79DB7PR02MB4137eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar  7 20:41:11 2023
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Date:         Tue, 7 Mar 2023 20:39:25 +0000
Reply-To:     John Brennan 
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From:         John Brennan 
Subject: Maths: Maynooth Dept of Theoretical Physics Seminar: Friday 10 March  15:00
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Hi all,

Please find below details of the next seminar hosted by the Maynooth Dept
of Theoretical Physics.

Regards,
John

Speaker: Prof. Marcel Merk, Maastricht University, Netherlands
Time: Friday, March 10, 2023 - 15:00 to 16:30
Place: PCT, Science Building, North Campus, Maynooth University
Title: Flavour Puzzles and the LHCb experiment

Abstract:

Why is there no antimatter in the universe and why does nature provide us
with three generations of similar fundamental fermions?  These so-called
flavour puzzles are among the most intriguing  mysteries in particle
physics.  In the seminar we will discuss the origin of CP violation in the
Standard Model and review highlights of CP violating measurements performed
by the LHCb experiment.

Finally, I will present recent results on the so-called flavour anomalies.


Link to join via Microsoft Teams:
https://teams.microsoft.com/l/meetup-join/19%3a3xVzZgKOxz-_0D0vx_nZXhO7Hg5f=
CThijCyD1ApHlvA1%40thread.tacv2/1676303185301?context=3D%7b%22Tid%22%3a%221=
454f5cc-bb35-4685-bbd9-8621fd8055c9%22%2c%22Oid%22%3a%22f323c4f6-7fb7-43ee-=
93a3-a199f6cf3430%22%7d


--000000000000eff8f605f655680f
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    Hi all,

    Please find below details of the next seminar hosted by the May=
nooth Dept
 of Theoretical Physics.

    Regards,
    John

    Speaker: Prof. Marcel Merk, Maastricht University, =
Netherlands
    Time: Friday, March 10, 2023 =
-=C2=A015:00=C2=A0to=C2=A016:30
    Place: PCT, Science Building, North Campus, Maynooth Unive=
rsity
    Title: Flavour Puzzles and the LHCb experiment<=
/div>

    Abstract:
    Why
 is there no antimatter in the universe and why does nature=C2=A0provide us=
=20
with three generations of similar fundamental fermions?=C2=A0 These so-call=
ed
 flavour puzzles are among the most intriguing=C2=A0 mysteries in particle=
=20
physics.=C2=A0 In the seminar we will discuss the=C2=A0origin of CP violati=
on in=20
the Standard Model and review highlights=C2=A0of CP violating measurements=
=20
performed by the LHCb experiment.=C2=A0
    Finally, I will present recent results on the so-called flavour =
anomalies.

    Link to join via Microsoft Teams: https://=
teams.microsoft.com/l/meetup-join/19%3a3xVzZgKOxz-_0D0vx_nZXhO7Hg5fCThijCyD=
1ApHlvA1%40thread.tacv2/1676303185301?context=3D%7b%22Tid%22%3a%221454f5cc-=
bb35-4685-bbd9-8621fd8055c9%22%2c%22Oid%22%3a%22f323c4f6-7fb7-43ee-93a3-a19=
9f6cf3430%22%7d
    

--000000000000eff8f605f655680f--

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Date:         Wed, 8 Mar 2023 12:02:18 +0000
Reply-To:     Patrick Browne 
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From:         Patrick Browne <00000d48d51680ad-dmarc-request LISTSERV.HEANET.IE>
Subject: Maths: Linear algebra workshop
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Message-ID:  
Date:         Wed, 8 Mar 2023 14:54:28 +0000
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From:         =?Windows-1252?Q?Ciar=E1n_Mac_an_Bhaird?=
              
Subject: Maths: Pi Day - March 14th - BSHM Online Quiz
To:           MATHDEP LISTSERV.HEANET.IE
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--_000_DB7PR02MB3642BE1BBB21CBDA8DCF4F728CB49DB7PR02MB3642eurp_
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Dear all,

I'd appreciate it if you would circulate the announcement below amongst you=
r colleagues and students, or indeed anyone else you think might be interes=
ted.

Kind regards,

Ciar=E1n


Dear all,


A week today on March 14th (3/14 to some) it is International Pi Day; a day=
 to celebrate the beauty of mathematics and think about the role it takes i=
n society.


That evening, the British Society for the History of Mathematics, will be r=
unning a fun, informal, online quiz all about maths and its history. Come a=
long to test your knowledge of everything from Hypatia's commentary of the =
Arithmetica, to how Alan Turing helped crack the Enigma Cipher during World=
 War 2. Even better, you will be competing for the chance to win a year=92s=
 free BSHM membership! (For those who are already members, you can win free=
 registration to a one-day meeting of your choice).


More details and to book: BSHM PI Day Online Quiz Tickets, Tue 14 Mar 2023 =
at 19:30 | Eventbrite . Tickets cost =A33.14.


Please feel free to circulate this event around your networks.


Best wishes,


Brigitte


Dr Brigitte Stenhouse (she / her)
Lecturer in History of Mathematics
The Open University




Dr. Ciar=E1n Mac an Bhaird


Associate Professor and Mathematics Support Centre Director


Department of Mathematics and Statistics


Maynooth University


https://www.maynoothuniversity.ie/people/ciar-n-mac-bhaird


http://supportcentre.maths.nuim.ie/


--_000_DB7PR02MB3642BE1BBB21CBDA8DCF4F728CB49DB7PR02MB3642eurp_
Content-Type: text/html; charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable








    
Dear all,
    

    

    

    

    
I'd appreciate it if you would circulate the announcement below amongst you=
r colleagues and students, or indeed anyone else you think might be interes=
ted.
    

    

    

    

    
Kind regards,
    

    

    

    

    
Ciar=E1n
    

    

    

    

    

    

    

    
Dear
 all,
    

    

    

    

    

    

    A week today on March 14th (=
3/14 to some) it is International Pi Day; a day to celebrate the beauty of =
mathematics and think about the role it takes
 in society.
    


    

    

    That evening, the British Societ=
y for the History of Mathematics, will be running a fun, informal, online q=
uiz all about maths and its history. Come along to test your knowledge of e=
verything from Hypatia's commentary
 of the Arithmetica, to how Alan Turing helped crack the Enigma Cipher duri=
ng World War 2. Even better, you will be competing for the chance to win a =
year=92s free BSHM membership! (For those who are already members, you can =
win free registration to a one-day
 meeting of your choice).
    


    

    

    More details and to book: <=
a href=3D"https://eur02.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F=
%2Fwww.eventbrite.com%2Fe%2Fbshm-pi-day-online-quiz-tickets-537570797727&am=
p;data=3D05%7C01%7CCiaran.MacanBhaird%40mu.ie%7C400a8c38ba2048516caa08db1fc=
b439f%7C1454f5ccbb354685bbd98621fd8055c9%7C0%7C0%7C638138730965138413%7CUnk=
nown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJX=
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cG7RxwKZY%3D&reserved=3D0" target=3D"_blank" rel=3D"noopener noreferrer=
" data-auth=3D"Verified" shash=3D"zXE3YdpSy8195TNgMDTISq+nkc79EwgGPfwKR7A/T=
Nybfzz3vXZyG3lQp5FtYJ3iJMt6tEvcnr8Z1FGCP2UskNyevdKMlqBn1Go1Qly5S+XzqtLCu6f4=
G8ytPsCf55RYG5E/JzRjlbOAn2ZBSHoHo/z2jWeBUALsUsQ9qjG5VDM=3D" title=3D"Origin=
al URL: https://www.eventbrite.com/e/bshm-pi-day-online-quiz-tickets-537570=
797727. Click or tap if you trust this link." data-linkindex=3D"8" style=3D=
"margin:0px" class=3D"ContentPasted0" data-loopstyle=3D"link">BSHM
 PI Day Online Quiz Tickets, Tue 14 Mar 2023 at 19:30 | Eventbrite . Tickets cost =A33.14. 
    


    

    

    Please feel free to circulate th=
is event around your networks. 
    


    

    

    Best wishes,
    


    

    

    Brigitte
    


    

    

    

    

    

    

    Dr Brigitte Stenhouse (she =
/ her) 

    Lecturer in History of Mathematics
    

    The Open University
    


    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    Dr. Ciar=E1n Mac an Bhaird


    

    

    Associate Professor and Math=
ematics Support Centre Director
    


    

    

    Department of Mathematics an=
d Statistics
    


    

    

    Maynooth University
    


    

    

    https://ww=
w.maynoothuniversity.ie/people/ciar-n-mac-bhaird
    

    


    

    

    http://supportcentre.maths.nuim.i=
e/
    

    


    

    

    

    

    

    



--_000_DB7PR02MB3642BE1BBB21CBDA8DCF4F728CB49DB7PR02MB3642eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Thu Mar  9 11:01:35 2023
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Date:         Thu, 9 Mar 2023 10:59:02 +0000
Reply-To:     John Brennan 
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From:         John Brennan 
Subject: Maths: (Cancelled) Maynooth Dept of Theoretical Physics Seminar: Friday 10 March  15:00
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--0000000000000159b205f675896b
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Hi all,

Unfortunately the seminar scheduled for tomorrow (Friday March 10th) at
15:00 with Prof. Marcel Merk has been cancelled. We plan to reschedule for
a later date and will advertise the talk when a date is confirmed.

Regards,
John

--0000000000000159b205f675896b
Content-Type: text/html; charset="UTF-8"
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    Hi all,

    Unfortunately the se=
minar scheduled for tomorrow (Friday March 10th) at 15:00 with Prof. Marcel=
 Merk has been cancelled. We plan to reschedule for a later date and will a=
dvertise the talk when a date is confirmed.

    Regard=
s,
    John
    

--0000000000000159b205f675896b--

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Date:         Thu, 9 Mar 2023 11:41:47 +0000
Reply-To:     "Romina.Gaburro" 
Sender:       UCD Maths Department Distribution List 
From:         "Romina.Gaburro" 
Subject: Maths: MACSI seminar, Friday, March 10th at 15.00
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Dear All,



the next MACSI seminar of the Autumn semester at the Department of Mathemat=
ics and Statistics, University of Limerick will be given by Anna Zhigun (Qu=
een=92s University Belfast) on Friday the 10th of March. Details of the sem=
inar are given below. The seminar will be held in person in the Mathematics=
 and Statistics seminar room A2002, main building and via Zoom at:


Join Zoom Meeting

https://eur03.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fus06web=
.zoom.us%2Fj%2F81884118550%3Fpwd%3DV2wrSWhMcENMVCs5TXpzQlllQTJPZz09&data=3D=
05%7C01%7CRomina.Gaburro%40ul.ie%7C677895cce84a4646d6ab08db1ffdf6a0%7C0084b=
9243ab4411692519939f695e54c%7C0%7C0%7C638138947847124025%7CUnknown%7CTWFpbG=
Zsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C=
3000%7C%7C%7C&sdata=3DFCeJ8JkR3RZe1TAgb9xP6P9uk%2FLpyrK%2FDZSpurCdK0U%3D&re=
served=3D0


Meeting ID: 818 8411 8550

Passcode: 610174


Date:  Friday, March 10, 2023 at 15.00.


Speaker: Dr Anna Zhigun (School of Mathematics and Physics, Queen=92s Unive=
rsity Belfast).


Title: (Non)local models for taxis in cancer cell migration: a rigorous lim=
it procedure.


Abstract: In recent years non-local alternatives to the traditional reactio=
n-diffusion-taxis systems for cancer invasion have been proposed in which a=
 local transport flux is replaced by an integral of a signal-dependent quan=
tity over a suitable set, typically a ball of a so-called sensing radius r =
> 0. Terms of this sort allow to describe long-range effects such as cell-c=
ell and cell-tissue adhesions. Some heuristic analysis via local Taylor exp=
ansions was performed and led to expect that as r->0 the solutions of these=
 nonlocal models converge to solutions of the corresponding local models. H=
owever, to the best of our knowledge, no rigorous analytical study of such =
convergence was performed. In this talk I will demonstrate a way to close t=
his gap. It relies on a novel reformulation of the involved nonlocality in =
terms of an integral operator applied directly to the gradient of a signal-=
dependent quantity. I will show on concrete examples the advantages of the =
new reformulation. Finally, some numerical simulations in 1D will provide a=
n illustration of the theoretical findings. The talk is based on a joint wo=
rk with Maria Eckardt, Kevin Painter, and Christina Surulescu.



Further Information: If you have any questions regarding this seminar, plea=
se direct them to Romina Gaburro (061 213193, romina.gaburro ul.ie) or Clifford Nolan (061 202766, clifford.nolan ul.ie).

---------------------------------------------------------------------------=
---------------

MACSI - the Mathematics Applications Consortium for Science and Industry (w=
ww.macsi.ul.ie), centred at the University of=
 Limerick, is dedicated to the mathematical modelling and solution of probl=
ems which arise in science, engineering and industry in Ireland.


Best wishes,

Romina Gaburro and Cliff Nolan



--_000_DB9PR03MB7628FC457BF2CDBB54CF0DD087B59DB9PR03MB7628eurp_
Content-Type: text/html; charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable








    
Dear All,=

    

    

    

    

    

    
 
    

    

    

    

    
the next MACSI seminar of
 the Autumn semester at the Department =
of Mathematics and Statistics, University of Limerick will be given by&=
nbsp;Anna
 Zhigun (Queen=
=92s
 University Belfast) on Friday t=
he 10th of
 March. Details of the seminar are given below.  seminar will
 be held in person in the Mathematics and Statistics seminar room
 A2002, main building and via Zoom at: 
    


    

    

    Join Zoom Meeting
    

    https://eur03.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F=
%2Fus06web.zoom.us%2Fj%2F81884118550%3Fpwd%3DV2wrSWhMcENMVCs5TXpzQlllQTJPZz=
09&data=3D05%7C01%7CRomina.Gaburro%40ul.ie%7C677895cce84a4646d6ab08db1f=
fdf6a0%7C0084b9243ab4411692519939f695e54c%7C0%7C0%7C638138947847124025%7CUn=
known%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJ=
XVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=3DFCeJ8JkR3RZe1TAgb9xP6P9uk%2FLpyrK%2=
FDZSpurCdK0U%3D&reserved=3D0
    


    

    

    Meeting ID: 818 8411 8550
    

    Pas=
scode: 610174
    


    

    

    =
Date:  Fri=
day,
 March 10, 2023 at 15.00.
    


    

    

    Speaker:
Dr Anna Zhigun (School of Mathematics and Physics, Queen=92s Uni=
versity Belfast).
    


    

    

    Title:=
=
 (Non)local models for taxis in cancer cell
 migration: a rigorous limit procedure.
    


    

    

    

    

    

    

    

    

    
Abstract: In =
recent years non-local alternatives
 to the traditional reaction-diffusion-taxis systems for cancer invasion ha=
ve been proposed in which a local transport flux is replaced by an integral=
 of a signal-dependent quantity over a suitable set, typically a ball of a =
so-called sensing radius r > 0.
 Terms of this sort allow to describe long-range effects such as cell-cell =
and cell-tissue adhesions. Some heuristic analysis via local Taylor expansi=
ons was performed and led to expect that as r->0 the solutions of these =
nonlocal models converge to solutions
 of the corresponding local models. However, to the best of our knowledge, =
no rigorous analytical study of such convergence was performed. In this tal=
k I will demonstrate a way to close this gap. It relies on a novel reformul=
ation of the involved nonlocality
 in terms of an integral operator applied directly to the gradient of a sig=
nal-dependent quantity. I will show on concrete examples the advantages of =
the new reformulation. Finally, some numerical simulations in 1D will provi=
de an illustration of the theoretical
 findings. The talk is based on a joint work with Maria Eckardt, Kevin Pain=
ter, and Christina Surulescu.

    

    
 
    

    
Further Information=
: If you have any qu=
estions regarding this seminar, please direct them to Romina Gaburro (061
 213193, romi=
na.gaburro ul.ie) =
or Clifford Nolan (061 202766, clifford.nolan ul.ie). 
    

    

    

    

    

    

    

    

    
---------------------------=
---------------------------------------------------------------
    

    

    

    

    =
MACSI&=
nbsp;- the Mathematics Applications Consortium
 for Science and Industry (www.macsi.ul.ie),
 centred at the University of Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.
    

    =

    

    

    Best wishes,
    

    Romina Gaburro and Cliff Nolan
    

    

    

    

    
 
    

    

    

    



--_000_DB9PR03MB7628FC457BF2CDBB54CF0DD087B59DB9PR03MB7628eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Thu Mar  9 17:40:58 2023
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Date:         Thu, 9 Mar 2023 17:39:51 +0000
Reply-To:     George Rogers 
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From:         George Rogers 
Subject: Maths: IAS-DIAS Conference - The Amplituhedron at 10 : Hidden Mathematical Structures of the Amplituhedron [24-28 April 2023]
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IAS-DIAS Conference - The Amplituhedron at 10 : Hidden Mathematical 
Structures of the Amplituhedron

2023 marks ten years since the introduction of the Amplituhedron as a 
new mathematical object underpinning the physics of scattering 
amplitudes. While the past decade has seen many developments both in 
further understanding the mathematics and physics of the amplituhedron 
and generalizing it to wider classes of theories, it has become 
increasingly clear that we are only scratching the surface of this still 
largely mysterious set of ideas.
In order to stimulate new lines of attack on these questions, DIAS and 
IAS in partnership will host a series of two meetings on "Hidden 
Mathematical Structures of the Amplituhedron." The first meeting will 
take place at DIAS during April 24-28, 2023.
There is no registration fee, and we encourage everyone interested to 
actively participate in discussion / brainstorming sessions, propose 
questions and new directions.

For more information / to register -
https://sites.google.com/view/amplituhedron10/

Dates: 24-28 April 2023

Place: STP, DIAS Burlington Road & Dunsink Observatory



-- 
Mr. George Rogers | Librarian & School Administrator
School of Theoretical Physics
Dublin Institute for Advanced Studies
10 Burlington Road, Dublin 4 - D04 C932
Tel: +353-1-6140104
www.dias.ie
#DIASdiscovers

https://twitter.com/StpDias
https://facebook.com/stp.dias

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From owner-mathdep LISTSERV.HEANET.IE  Fri Mar 10 09:52:06 2023
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Date:         Fri, 10 Mar 2023 09:49:16 +0000
Reply-To:     John Sheekey 
Sender:       UCD Maths Department Distribution List 
From:         John Sheekey 
Subject: maths: Funded PhD opportunities in the UCD School of Mathematics and Statistics
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Dear colleagues

Applications are invited for the UCD School of Mathematics and
Statistics Research Demonstratorship scholarship scheme. These scholarships
fund up to 4 years full-time PhD research, beginning on 1st September 2023.
The closing date for applications is *March 27th 2023*. Details on the
scholarships and the application process are available at
https://www.ucd.ie/mathstat/study/researchdegrees/rd2023/.

Please pass this along to any students who might be interested.

Best regards
John

===

John Sheekey
Assistant Professor, UCD School of Mathematics and Statistics

--00000000000034e7db05f688aef0
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    Dear colleagues

    Applications are in=
vited for the UCD School of Mathematics and Statistics=C2=A0Research=C2=A0D=
emonstratorship=C2=A0scholarship scheme. These scholarships fund up to 4 ye=
ars full-time PhD=C2=A0research, beginning on 1st September 2023. The closi=
ng date for applications is=C2=A0March 27th 2023. Details on the sch=
olarships and the application process are available at=C2=A0ht=
tps://www.ucd.ie/mathstat/study/researchdegrees/rd2023/.
    =

    Please pass this along to any students who might be interest=
ed.

    Best regards
    John

    =3D=3D=3D

    John Sheekey
    Assistant =
Professor, UCD School of Mathematics and Statistics
    

--00000000000034e7db05f688aef0--

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`` Who really broke Enigma? ukasiewicz lecture Trinity College Dublin by Sir Dermot Turing. Dermot is a nephew of Alan Turing. 

Wednesday, March 29, 2023 from 6:30 PM to 8:00 PM 

Register at ;

https://outlook.office.com/owa/redir.aspx?REF=U-RoEe1_ZgGvSYboyBwsweh6lBcGpcy3DPxLN_eAyR2Lx0aOiCHbCAFodHRwczovL3d3dy5ldmVudGJyaXRlLmNvbS9lL3doby1yZWFsbHktYnJva2UtZW5pZ21hLXVrYXNpZXdpY3otbGVjdHVyZS10cmluaXR5LWNvbGxlZ2UtZHVibGluLXRpY2tldHMtNTc5NDg3NDYxNTk3

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Sorry the link I sent with the last message doesn't work I'm told.
Try: https://www.eventbrite.com/e/who-really-broke-enigma-ukasiewicz-lecture-trinity-college-dublin-tickets-579487461597




`` Who really broke Enigma? ukasiewicz lecture Trinity College Dublin by Sir Dermot Turing. Dermot is a nephew of Alan Turing.

Wednesday, March 29, 2023 from 6:30 PM to 8:00 PM

Register at ;

https://outlook.office.com/owa/redir.aspx?REF=U-RoEe1_ZgGvSYboyBwsweh6lBcGpcy3DPxLN_eAyR2Lx0aOiCHbCAFodHRwczovL3d3dy5ldmVudGJyaXRlLmNvbS9lL3doby1yZWFsbHktYnJva2UtZW5pZ21hLXVrYXNpZXdpY3otbGVjdHVyZS10cmluaXR5LWNvbGxlZ2UtZHVibGluLXRpY2tldHMtNTc5NDg3NDYxNTk3

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From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 13 17:40:55 2023
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Date:         Mon, 13 Mar 2023 17:38:26 +0000
Reply-To:     Martin Friesen 
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--000000000000b39e5805f6cb944f
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Dear colleagues,

I would like to bring your attention to our next talk in our Mathematical
Finance Research Seminar taking place at the DCU.

Date: 15th March 2023
Time: 14:00 - 15:00
Venue: Dublin City University, Glasnevin Campus, X131

Name: Dan Ren (University of Dayton)
Title: Portfolio Optimization with Regime-Switching Stochastic Interest
Rate and Stochastic Volatility

Abstract: This talk focuses on a continuous-time portfolio optimization
problem with both
stochastic interest rate and stochastic volatility in regime-switching
models, where a regime-
switching Vasicek model is assumed for the interest rate and a
regime-switching Heston model
is assumed for the stock price. Dynamic programming approach is used to
solve this stochastic
optimal control problem. Under suitable assumptions, we prove a
verification theorem. A
closed-form solution for a power utility function and a special choice of
some model parameters
can be derived. We prove the optimality of the closed-form solution by
verifying the required
conditions as stated in the verification theorem. We present a numerical
example to show the
optimal portfolio policies and value functions in different regimes.
joint with Ruihua Liu


title:: Mathematical Finance Research Seminar
content:: Dan Ren
:: University of Dayton
:: Title: This talk focuses on a continuous-time portfolio optimization
problem with both
:: stochastic interest rate and stochastic volatility in regime-switching
models, where a regime-
:: switching Vasicek model is assumed for the interest rate and a
regime-switching Heston model
:: is assumed for the stock price. Dynamic programming approach is used to
solve this stochastic
:: optimal control problem. Under suitable assumptions, we prove a
verification theorem. A
:: closed-form solution for a power utility function and a special choice
of some model parameters
:: can be derived. We prove the optimality of the closed-form solution by
verifying the required
:: conditions as stated in the verification theorem. We present a numerical
example to show the
:: optimal portfolio policies and value functions in different regimes.
:: joint with Ruihua Liu
date-time:: Wednesday, 15th March at 14 am
location:: Dublin City University, Glasnevin Campus, X131
endevent::



*Dr. Martin Friesen*
Ollamh C=C3=BAnta | X138B | Scoil na nEola=C3=ADochta=C3=AD Matamaitice | O=
llscoil
Chathair Bhaile =C3=81tha Cliath
Assistant Professor | X138B | School of Mathematical Sciences | Dublin City
University

martin.friesen dcu.ie 
https://www.dcu.ie/researchsupport/research-profile?person_id=3D15556
https://sites.google.com/view/martinfriesen/home

Scoil na nEola=C3=ADochta=C3=AD Matamaitice | | Foirgneamh Lonsdale | Campa=
s Ghlas
Na=C3=ADon, DCU | B=C3=81C 9
School of Mathematical Sciences |  | Lonsdale Building | DCU Glasnevin
Campus | Dublin 9

--=20
*

*S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer*

*T=C3=A1 an r=C3=ADomhphost seo agus aon=20
chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=A1id ag an se=
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*

*This e-mail and any=20
files transmitted with it are confidential and are intended solely for use=
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=C2=A0

--000000000000b39e5805f6cb944f
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


    Dear colleagues,

    I=
 would like to bring=20
your attention to our next talk in our Mathematical Finance Research=20
Seminar taking place at the DCU. 

    Date: 15th M=
arch 2023
    Time: 14:00 - 15:00
    Venue: Dublin Cit=
y University, Glasnevin Campus, X131

    Name: Dan=
 Ren (University of Dayton)
    Title: Portfolio Optimization with Re=
gime-Switching Stochastic Interest Rate and Stochastic Volatility

    Abstract: This talk focuses on a continuous-time portfolio =
optimization problem with both
    stochastic interest rate and stochastic v=
olatility in regime-switching models, where a regime-
    switching Vasicek =
model is assumed for the interest rate and a regime-switching Heston model<=
br>is assumed for the stock price. Dynamic programming approach is used to =
solve this stochastic
    optimal control problem. Under suitable assumption=
s, we prove a verification theorem. A
    closed-form solution for a power u=
tility function and a special choice of some model parameters
    can be der=
ived. We prove the optimality of the closed-form solution by verifying the =
required
    conditions as stated in the verification theorem. We present a =
numerical example to show the
    optimal portfolio policies and value funct=
ions in different regimes.
    joint with Ruihua Liu


    title:: Mathematical Finance Research=
 Seminar
    
content:: Dan Ren
    
:: University of Dayton
    
:: Title: This talk focuses on a continuous-time portfolio optimization pro=
blem with both
    :: stochastic interest rate and stochastic volatility in =
regime-switching models, where a regime-
    :: switching Vasicek model is a=
ssumed for the interest rate and a regime-switching Heston model
    :: is a=
ssumed for the stock price. Dynamic programming approach is used to solve t=
his stochastic
    :: optimal control problem. Under suitable assumptions, w=
e prove a verification theorem. A
    :: closed-form solution for a power ut=
ility function and a special choice of some model parameters
    :: can be d=
erived. We prove the optimality of the closed-form solution by verifying th=
e required
    :: conditions as stated in the verification theorem. We prese=
nt a numerical example to show the
    :: optimal portfolio policies and val=
ue functions in different regimes.
    :: joint with Ruihua Liu
    da=
te-time:: Wednesday, 15th March at 14 am
    
location:: Dublin City University, Glasnevin Campus, X131
    
endevent::


    Dr. Martin Friesen
    Ollamh C=
=C3=BAnta | X138B | Scoil na nEola=C3=AD=
ochta=C3=AD Matamaitice | Ollscoil Chathair Bhaile =C3=81tha Cliath<=
/font>
    Assistant Professor | X138B | Scho=
ol of Mathematical Sciences | Dublin City University=C2=A0

    <=
a href=3D"https://sites.google.com/view/martinfriesen/home" target=3D"_blan=
k">https://sites.google.com/view/martinfriesen/home
    =


    Scoil n=
a nEola=C3=ADochta=C3=AD Matamaitice |  | Foirgneamh Lonsda=
le | Campas Ghlas Na=C3=ADon, DCU | B=C3=81C 9
    School of Mathematical Sciences |=C2=A0 | Lo=
nsdale Building | DCU Glasnevin Campus | Dublin 9

    


    

    S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=

    T=C3=A1 an r=C3=ADomhphost seo agus a=
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=C3=A9amh anseo.=C2=A0
    This e-mail and any files transmitted with it are confidential and a=
re intended solely for use by the addressee. Read more here.<=
/span>


    =

    

    

    <=
a href=3D"https://www.youtube.com/user/DublinCityUniversity" target=3D"_bla=
nk">=C2=A0
    
--000000000000b39e5805f6cb944f--

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Date:         Mon, 13 Mar 2023 21:08:26 +0200
Reply-To:     Natalia Kopteva 
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From:         Natalia Kopteva 
Subject: maths: INAF seminar, Thu 16 March, David Cohen (Chalmers University of Technology)
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David Cohen (Chalmers University of Technology, Sweden)

Numerical analysis of stochastic Poisson systems

Thu 16 March 2023, 14:00 

The subject of the presentation is the study of splitting integrators for Poisson systems perturbed by additive noise and multiplicative Stratonovich noise.
The presentation is based on a joint work with G. Vilmart and on a joint work with C-E. Bréhier and T. Jahnke.


The organisers are grateful to the Irish Mathematical Society, for their generous financial support.

The seminar will be held online via ZOOM; more info, including a list of speakers and instructions for registering your name and email address, are given at the INAF website at https://staff.ul.ie/natalia/inaf

==============================
The following formats the above notice so as to be included in the mathdep google calendar

title:: Irish Numerical Analysis Forum seminar
content:: David Cohen (Chalmers)
:: Numerical analysis of stochastic Poisson systems
date-time:: Thursday  16 March 2023 14:00
location:: ZOOM; register at https://staff.ul.ie/natalia/inaf
endevent::
 

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Reply-To:     Marvin Anas Hahn 
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Subject: *NEW LOCATION* TCD Dublin Mathematics Colloquium =?utf-8?Q?=E2=80=93_?=16 March
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Dear all,

It is our pleasure to invite you to this week=E2=80=99s Dublin =
Mathematics Colloquium (https://www.maths.tcd.ie/~dmc/ =
) which takes places on Thursday 16 =
March, 4pm in a new location, namely the HMI Seminar room. Our speaker =
is Navid Nabijou (Queen Mary University of London), who will speak =
about:

title: Roots and logs in the enumerative forest
abstract: Enumerative geometry has its roots in 19th-century problems =
concerning counts of curves on complex manifolds. I will give an =
introduction to the subject, focusing on a few of these classical =
problems and explaining their resolution via the modern edifice of =
Gromov-Witten theory. I will then discuss recent work, in which we =
uncover a deep but complicated connection between two complimentary =
systems of Gromov-Witten invariants. This is joint work with Luca =
Battistella and Dhruv Ranganathan.


Best regards,
Florian Naef and Marvin Anas Hahn



title:: Dublin Mathematics Colloquium
content:: Navid Nabijou will speak on
:: Roots and logs in the enumerative forest
:: https://www.maths.tcd.ie/~dmc/ 
date-time:: Thursday, March 16th at 4:00pm
location:: HMI Seminar Room, Hamilton Building, TCD=

--Apple-Mail=_94B8137B-5B49-4EC6-B47B-83BC219EAB54
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	charset=utf-8


    Dear all,

    It is our pleasure to invite you to this week=E2=80=99s =
Dublin Mathematics Colloquium (https://www.maths.tcd.ie/~dmc/) which takes places on Thursday 16 =
March, 4pm in a new location, namely =
the HMI Seminar room. Our speaker =
is Navid Nabijou (Queen Mary University of =
London), who will speak about:

    title: Roots and logs in the =
enumerative forest
    abstract: Enumerative geometry has =
its roots in 19th-century problems concerning counts of curves on =
complex manifolds. I will give an introduction to the subject, focusing =
on a few of these classical problems and explaining their resolution via =
the modern edifice of Gromov-Witten theory. I will then discuss recent =
work, in which we uncover a deep but complicated connection between two =
complimentary systems of Gromov-Witten invariants. This is joint work =
with Luca Battistella and Dhruv Ranganathan.


    Best regards,
    Florian Naef and Marvin Anas =
Hahn



    title:: Dublin =
Mathematics Colloquium
    content:: =
Navid Nabijou will speak =
on
    :: Roots and logs in the enumerative forest
    :: https://www.maths.tcd.ie/~dmc/
    date-time:: Thursday, March 16th at 4:00pm
    location:: HMI Seminar Room, Hamilton =
Building, =
TCD
    =

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Date:         Tue, 14 Mar 2023 15:49:02 +0000
Reply-To:     =?iso-8859-1?Q?Ciar=E1n_Mac_an_Bhaird?= 
Sender:       UCD Maths Department Distribution List 
From:         =?iso-8859-1?Q?Ciar=E1n_Mac_an_Bhaird?= 
Subject: Maths: British Society for the History of Mathematics Neumann Prize
To:           MATHDEP LISTSERV.HEANET.IE
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Dear colleagues,


I would like to bring your attention to the Neumann Prize details for 2023,=
 please see below.


Kind regards,


Ciar=E1n


--------------


The British Society for the History of Mathematics is pleased to announce t=
he biennial Neumann Prize for 2023.  The prize is awarded for a book in Eng=
lish (including books in translation) dealing with the history of mathemati=
cs and aimed at a non-specialist readership and published in 2021 or later.=
 There is no further restriction on the subject matter, nor on the national=
ity of the author or the country of publication, however the following will=
 not be considered:



  *   Books submitted previously for consideration for the Neumann Prize

  *   Edited volumes

  *   Second and subsequent editions, unless they are very substantially di=
fferent from the earlier editions

  *   Books by members of BSHM Council in the year of the award, or by the =
editor of the BJHM (see https://www.bshm.ac.uk/people).



The prize is named in honour of Peter M. Neumann O.B.E., a former President=
 and longstanding contributor to the Society.  The value of the prize is =
=A31000.  A list of past prize-winners can be found on the BSHM website: ht=
tps://www.bshm.ac.uk/neumann-prize.



Nominations for the prize are invited from individuals and publishers. Inte=
nded nominations should be first communicated to the chair of the judging p=
anel, Ciar=E1n Mac an Bhaird (ciaran.macanbhaird mu.ie). Publishers will be=
 asked to provide an electronic copy and three hard copies of each nominate=
d book. Please contact Ciar=E1n Mac an Bhaird for the postal addresses to w=
hich the hard copies should be posted.



The closing date for nominations is 1st September, 2023.



If you have published any books that could qualify and would like them cons=
idered by the Neumann Prize panel, please contact your publisher with the d=
etails above.


Dr. Ciar=E1n Mac an Bhaird


Associate Professor and Mathematics Support Centre Director


Department of Mathematics and Statistics


Maynooth University


https://www.maynoothuniversity.ie/people/ciar-n-mac-bhaird


http://supportcentre.maths.nuim.ie/


--_000_DB7PR02MB36424466DF6E27E449C26EF58CBE9DB7PR02MB3642eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable








    

    
Dear
 colleagues,
    

    

    

    

    
I
 would like to bring your attention to the Neumann
 Prize details for 2023,
 please see below.
    

    

    

    

    
Kind
 regards,
    

    

    

    

    
Ciar=E1n
    

    

    

    

    
--------------
    

    

    

    

    
The
 British Society for the History of Mathematics is pleased to announce the =
biennial Neumann Prize for 2023. 
 The prize is awarded for a book in English (including books in translation=
) dealing with the history of mathematics and aimed at a non-specialist readership
 and published in 20=
21 or
 later. There is no further restriction on the subject matter, nor on the n=
ationality of the author or the country of publication, however the
 following will not be considered: 
    

    

    

    
 

    

      

    • 

      
Books
 submitted previously for consideration for the Neumann Prize=
 
      

    • 

      
Edited
 volumes 
      

    • 

      
Second
 and subsequent editions, unless they are very substantially different from=
 the earlier editions 
      

    • 

      
Books
 by members of BSHM Council in the year of the award, or by the editor of t=
he BJHM (see http=
s://www.bshm.ac.uk/people). 
      

    

    

    

    

    
 

    

    

    
The
 prize is named in honour of Peter M. Neumann O.B.E., a former President an=
d longstanding contributor to the Society.  The value of the prize is =
=A31000. 
 A list of past prize-winners can be found on the BSHM website: https://www.bshm.ac.uk/neumann-prize. 
    

    

    

    

    
 

    

    

    
Nominations
 for the prize are invited from individuals and publishers. Intended nomina=
tions should be first communicated to the chair of the judging panel, Ciar=E1n
 Mac an Bhaird (ciaran.macanbhaird =
mu.ie)=
.
 Publi=
shers
 will be asked to =
pro=
vide
 an electronic copy and
 three hard copies of
 each nominated book. Please contact Ciar=E1n Mac an Bhaird for the postal =
addresses to which the hard copies should be posted.  

    
 
    

    

    

    
The
 closing date for nominations is 1st September, 20<=
/span>23. =
;
    

    

    

    
 
    

    

    

    
If
 you have published any books that could
 qualify and would like them considered by the Neumann Prize panel, please contact
 your publisher with the details above. 
    

    

    

    

    

    

    

    

    

    

    Dr. Ciar=E1n Mac an Bhaird


    

    

    Associate Professor and Math=
ematics Support Centre Director
    


    

    

    Department of Mathematics an=
d Statistics
    


    

    

    Maynooth University
    


    

    

    https://ww=
w.maynoothuniversity.ie/people/ciar-n-mac-bhaird
    

    


    

    

    http://supportcentre.maths.nuim.i=
e/
    

    


    

    

    

    

    

    



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Date:         Wed, 15 Mar 2023 15:15:04 +0000
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Subject: Maths: BSHM Undergraduate Essay Prize
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Dear Colleagues,

The British Society for the History of Mathematics (BSHM) is happy to annou=
nce its call for submissions for the BSHM Undergraduate Essay Prize. Please=
 share widely with your students.

The essay may be on any topic within the history of mathematics and the com=
petition is open to any person who is enrolled as an undergraduate in a uni=
versity in Ireland or the UK during the current academic year 2022-2023, as=
 long as they are not a previous winner or runner-up in this competition.

The value of the prize will be =A3150, plus free membership of the BSHM for=
 one year, with the winning essay being considered for publication in the B=
SHM journal.

Further details, including how to enter the competition, can be found on th=
e BSHM website (https://www.bshm.ac.uk/undergraduate-essay-prize).

The deadline for receipt of submissions is the 14th July 2023, at midnight.

Kind regards,

Ciar=E1n (Education Officer, BSHM)


Dr. Ciar=E1n Mac an Bhaird


Associate Professor and Mathematics Support Centre Director


Department of Mathematics and Statistics


Maynooth University


https://www.maynoothuniversity.ie/people/ciar-n-mac-bhaird


http://supportcentre.maths.nuim.ie/


--_000_DB7PR02MB364277311C0761C0C9554BC98CBF9DB7PR02MB3642eurp_
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Dear
 Colleagues,
    

    

    

    

    The British Society for =
the History of Mathematics (BSHM) is happy to announce its call for submiss=
ions for the BSHM Undergraduate<=
span class=3D"ContentPasted0" style=3D"margin:0px"> Essay Prize.
 Please share widely with your students. 
    


    

    

    The essay may
 be on any topic within the history of mathematics and the competition is o=
pen to any person who is enrolled as an undergraduate i=
n
 a university in Ireland or the UK during the current academic year 2022-20=
23, as long as they are not a previous winner or runner-up in this competit=
ion.
    


    

    
The value of the prize will=
 be =A3150, plus free membership
 of the BSHM for one year, with the winning essay being
 considered for publication in the BSHM journal.


    

    

    Further details, includi=
ng how to enter the competition, can be found on the BSHM website (https://www.bshm.ac.uk/undergraduate-ess=
ay-prize).
    


    

    

    

    
The deadline for receipt of submissions is the 14th July 2023, at midnight.
    

    


    

    

    

    
Kind regards,
    

    

    

    
Ciar=E1n
 (Education Officer, BSHM)
    

    

    

    

    

    

    

    

    

    Dr. Ciar=E1n Mac an Bhaird


    

    

    Associate Professor and Math=
ematics Support Centre Director
    


    

    

    Department of Mathematics an=
d Statistics
    


    

    

    Maynooth University
    


    

    

    https://ww=
w.maynoothuniversity.ie/people/ciar-n-mac-bhaird
    

    


    

    

    http://supportcentre.maths.nuim.i=
e/
    

    


    

    

    

    

    

    



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From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 15 18:36:02 2023
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Date:         Wed, 15 Mar 2023 18:34:19 +0000
Reply-To:     "Denjoe O'Connor" 
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From:         "Denjoe O'Connor" 
Subject: maths: DIAS Zoominar Thursday March 16th 14:30 speaker Atri Dey
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--111151493-1619833559-1678905227=:3237139
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Dear Colleagues,
                 please join us for our upcoming Theoretical Physics Seminar at
14:30 Thursday March 16th by Atri Dey. The seminar will be in the lecture 
theatre of 10 Burlington Road and on zoom via the link:

Date: Thursday March 16th
Time: 14:30
https://us02web.zoom.us/j/6199730148?pwd=SjVGcTJWQmZZNndHenMyRStsL0lKdz09
Meeting ID: 619 973 0148
Passcode: 122512

                       Atri Dey
                      STP, DIAS

Title: Muon g−2 and a type-X two-Higgs-doublet scenario: Some studies in
high-scale validity

Abstract: We study the high-scale validity of a type-X two Higgs doublet 
scenario, which provides an explanation of the observed value of muon 
(g−2). This region allows a pseudoscalar physical state, which is well 
below the observed 125-GeV scalar in mass. A second neutral scalar 
particle can be both above and below 125 GeV in such a scenario. 
Admissible regions in the parameter space are obtained by using the most 
recent data on muon (g−2), theoretical constraints such as low-scale 
perturbativity and vacuum stability, and also all experimental 
constraints, including the available LHC results. Among other things, both 
the aforesaid orders of CP-even neutral scalar masses are included in our 
benchmark studies. Two-loop renormalization group equations are used to 
predict the values of various couplings at high scales, and the regions in 
the space spanned by low-scale parameters, which retain perturbative 
unitarity as well as vacuum stability up to various scales are identified. 
We thus conclude that such a scenario, while successfully explaining the 
observed muon (g−2), can be valid up to energy scales ranging from 
104  GeV to the Planck scale, thus opening up directions of thought on its 
ultraviolet completion.

link: https://doi.org/10.1103/PhysRevD.106.055023

With best wishes,
Denjoe.
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Message-ID:  
Date:         Thu, 16 Mar 2023 12:02:49 +0000
Reply-To:     "Duffy, Ken" 
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From:         "Duffy, Ken" <00000d6228e86c58-dmarc-request LISTSERV.HEANET.IE>
Subject: maths: the passing of Chris King.
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Dear Colleagues,

I am sorry to share with you the sad news of the untimely passing yesterday=
 of the Irish mathematician Professor Christopher King of Northeastern Univ=
ersity in Boston, who would be known to many of you.

Chris did undergraduate degrees in both mathematics and physics in TCD in t=
he late 70s before getting a PhD in Harvard in the 1980s under the supervis=
ion of Arthur Jaffe. After a stint at Cornell, he joined the mathematics de=
partment at Northeastern University in 1991, where he got tenure, was promo=
ted to full professor, and served as chair of the department.

Chris was highly regarded for his work in a range of topics, including semi=
nal work in quantum information theory, and his significant contributions t=
o education. He will be sorely missed by his family, friends and colleagues=
.

Sincerely,

Ken

-------------
Ken Duffy
Professor, Department of Electrical and Computer Engineering
Professor, Department of Mathematics
Northeastern University
Boston, USA

--_000_MN2PR06MB62245525FDA1F7F48518D06998BC9MN2PR06MB6224namp_
Content-Type: text/html; charset="iso-8859-1"
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=
Dear Colleagues,
    

    

    

    

    
I am sorry to s=
hare with you the sad news of the untimely passing yesterday of the Irish m=
athematician Professor
 Christopher King of Northeastern University in Boston, who would be known =
to many of you. 
    

    

    

    

    
Chris did undergraduate degrees
 in both mathematics and physics in TCD in the late 70s before getting a Ph=
D in Harvard in the 1980s under the supervision of Arthur Jaffe. After a st=
int at Cornell, he joined the mathematics department at Northeastern Univer=
sity in 1991, where he got tenure,
 was promoted to full professor, and served as chair of the department.&nbs=
p;
    

    

    

    

    
Chris was highly regarded for
 his work in a range of topics, including seminal work in quantum informati=
on theory, and his significant contributions to education. He will be sorel=
y missed by his family, friends and colleagues.
    

    

    

    

    
Sincerely,
    

    

    

    

    
Ken
    

    

    

    

    

    

    
-------------
    

    
Ken Duffy
    

    
Professor, Department of Electrical and Computer Engineering
    

    
Professor, Department of Mathematics
    

    
Northeastern University
    

    

    
Boston, USA
    

    

    

    



--_000_MN2PR06MB62245525FDA1F7F48518D06998BC9MN2PR06MB6224namp_--

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Date:         Thu, 16 Mar 2023 16:47:09 +0000
Reply-To:     John Brennan 
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From:         John Brennan 
Subject: Maths: Maynooth Dept of Theoretical Physics Seminar: Wednesday 22 March  16:00
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--000000000000d500af05f70736c6
Content-Type: text/plain; charset="UTF-8"

Hi all,

Please find below details of the next seminar hosted by the Maynooth Dept
of Theoretical Physics.

Regards,
John


Speaker: Matthieu Schaller, Leiden University
Time: Wednesday, March 22, 2023 - 16:00 to 17:00
Place: TSI118, TSI Buidling, North Campus, Maynooth University
Title: The FLAMINGO hydrodynamical simulation suite: A precision cosmology
survey virtual twin

Abstract:
The accuracy of the interpretation of the current generation of late-time
cosmology probes is greatly limited by the theorists' ability to predict
the response of baryons. This will only get more difficult in the coming
years with the upcoming surveys (DESI-BGS, Euclid, LSST, 4-most) mapping
our sky with unprecedented precision.

In this talk, I will discuss some of the efforts towards this challenge on
the simulation side. I will, in particular, focus on the required
developments in the SWIFT code and the new generation of simulations, the
FLAMINGO suite, designed to be virtual twins of the Stage IV cosmology
surveys. This suite includes the largest simulation ever run to z=0 and
exploits a state-of-the-art baryon physics model calibrated to the relevant
data. Variations in the physics, trained via machine learning techniques,
allow us to encompass the uncertainty in the modeling. Outputs in observer
space, such as X-ray, stellar light and SZ lightcones are produced and are
used to validate the simulations. This talk is a invitation to make use of
this data for your research.

Link to join via Microsoft Teams:
https://teams.microsoft.com/l/meetup-join/19%3a3xVzZgKOxz-_0D0vx_nZXhO7Hg5fCThijCyD1ApHlvA1%40thread.tacv2/1676303185301?context=%7b%22Tid%22%3a%221454f5cc-bb35-4685-bbd9-8621fd8055c9%22%2c%22Oid%22%3a%22f323c4f6-7fb7-43ee-93a3-a199f6cf3430%22%7d

--000000000000d500af05f70736c6
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


    Hi all,

    Please find below details of the next semin=
ar hosted by the Maynooth Dept of Theoretical Physics.

    Regards,
    <=
div>John


    Speaker: Matthieu Schaller, Leiden Univers=
ity
    Time: Wednesday, March 22, 2023 - 16:00 to 17:00
    Place: TSI118, T=
SI Buidling, North Campus, Maynooth University
    Title: The FLAMINGO hydro=
dynamical simulation suite: A precision cosmology survey virtual twin
    Abstract:
    The accuracy of the interpretation of the current generation=
 of late-time cosmology probes is greatly limited by the theorists' abi=
lity to predict the response of baryons. This will only get more difficult =
in the coming years with the upcoming surveys (DESI-BGS, Euclid, LSST, 4-mo=
st) mapping our sky with unprecedented precision.

    In this talk,=
 I will discuss some of the efforts towards this challenge on the simulatio=
n side. I will, in particular, focus on the required developments in the SW=
IFT code and the new generation of simulations, the FLAMINGO suite, designe=
d to be virtual twins of the Stage IV cosmology surveys. This suite include=
s the largest simulation ever run to z=3D0 and exploits a state-of-the-art =
baryon physics model calibrated to the relevant data. Variations in the phy=
sics, trained via machine learning techniques, allow us to encompass the un=
certainty in the modeling. Outputs in observer space, such as X-ray, stella=
r light and SZ lightcones are produced and are used to validate the simulat=
ions. This talk is a invitation to make use of this data for your research.=


    

--000000000000d500af05f70736c6--

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Date:         Thu, 16 Mar 2023 20:22:38 +0000
Reply-To:     Isaac Burke 
Sender:       UCD Maths Department Distribution List 
From:         Isaac Burke 
Subject: maths: MU Maths-Stats Colloquium, Wednesday 22nd March
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Dear colleagues,

Next week's MU Mathematics and Statistics Colloquium takes place as usual o=
n Wednesday 22nd March at 3pm in MS2, Logic House, Maynooth University. See=
 below for details. All are welcome.

Best wishes,
Isaac

___________________________________________________________________________

Speaker: Dr Kevin Credit, Maynooth University

Title: Understanding urban street network structure with graph representati=
on learning

Abstract: Urban planning scholars have long been interested in the ways tha=
t street networks structure activity patterns in cities (Jacobs, 1961). Whi=
le much of this research has focused on the apparent heterogeneity in stree=
t network form (Boeing, 2019) =96 from 19th century grid patterns to suburb=
an =91loops and lollipops=92 =96 some recent work has suggested that the fu=
ndamental hierarchical structure of urban street networks is invariant acro=
ss cities and time periods (Kirkley et al. 2018). The purpose of this paper=
 is to use a newer neural network-based graph representation method =96 nod=
e2vec =96 to better understand the competing role of heterogeneity vs. inva=
riance in urban street networks. In particular, we=92re interested in under=
standing the role of spatial scale in street network invariance, analysing =
differences in walking and driving networks, and better explaining (in a qu=
alitative sense) the distribution of embeddings produced by the graph repre=
sentation models by looking at the spatial patterns of embeddings. From a p=
reliminary analysis of street networks in two cities, Chicago and London, i=
t appears that the results of the graph representation learning method supp=
orts the two-part invariant structure observed by Kirkley et al. (2018), bu=
t more work is needed to understand the nature of these results and how the=
y interact with actual travel (e.g., edge weights) across these networks. T=
his is joint work with Qian Xiao, Trinity College Dublin.

___________________________________________________________________________

title:: MU Maths-Stats Colloquium
content:: Dr Kevin Credit
:: Maynooth University
:: presents a talk entitled "Understanding urban street network structure w=
ith graph representation learning"
date-time:: 22nd March 2023 at 3pm
location:: Room MS2, Logic House, Maynooth University
endevent::


--_000_AM6PR02MB4134042BF199A27A4ED0138DFCBC9AM6PR02MB4134eurp_
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Dear colleagues,


    

    

    Next week's MU Mathematics and Statistics =
Colloquium takes place as usual on
Wednesday 22nd March at 3pm in MS2, Logic House, Maynooth University=
. See below for details. All are welcome.
    


    

    

    Best wishes,
    

    Isaac
    


    

    

    _____________________________________________=
______________________________
    


    

    

    Speaker: Dr Kevin Credit, Maynooth Uni=
versity
    


    

    

    Title: Understanding urban street netw=
ork structure with graph representation learning
    


    

    

    Abstract: Urban planning scholars have=
 long been interested in the ways that street networks structure activity p=
atterns in cities (Jacobs, 1961). While much of this research has focused o=
n the apparent heterogeneity in street
 network form (Boeing, 2019) =96 from 19th century grid patterns to suburba=
n =91loops and lollipops=92 =96 some recent work has suggested that the fun=
damental hierarchical structure of urban street networks is invariant acros=
s cities and time periods (Kirkley et al.
 2018). The purpose of this paper is to use a newer neural network-based gr=
aph representation method =96 node2vec =96 to better understand the competi=
ng role of heterogeneity vs. invariance in urban street networks. In partic=
ular, we=92re interested in understanding
 the role of spatial scale in street network invariance, analysing differen=
ces in walking and driving networks, and better explaining (in a qualitativ=
e sense) the distribution of embeddings produced by the graph representatio=
n models by looking at the spatial
 patterns of embeddings. From a preliminary analysis of street networks in =
two cities, Chicago and London, it appears that the results of the graph re=
presentation learning method supports the two-part invariant structure obse=
rved by Kirkley et al. (2018), but
 more work is needed to understand the nature of these results and how they=
 interact with actual travel (e.g., edge weights) across these networks. Th=
is is joint work with Qian Xiao, Trinity College Dublin.
    


    

    

    _____________________________________________=
______________________________
    


    

    

    title:: MU Maths-Stats Colloquium
    

    content:: Dr Kevin Credit
    

    :: Maynooth University
    

    :: presents a talk entitled "Understandi=
ng urban street network structure with graph representation learning"<=
/div>

    date-time:: 22nd March 2023 at 3pm
    

    location:: Room MS2, Logic House, Maynooth Un=
iversity
    

    endevent::
    


    

    

    



--_000_AM6PR02MB4134042BF199A27A4ED0138DFCBC9AM6PR02MB4134eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Fri Mar 17 16:03:59 2023
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Date:         Fri, 17 Mar 2023 16:02:47 +0000
Reply-To:     "Romina.Gaburro" 
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From:         "Romina.Gaburro" 
Subject: Maths: Isaac Newton Institute Workshop, June 19-23 Cambridge
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Dear All,

the Workshop "Synergistic workshop on Rich and Nonlinear Tomography aimed a=
t drawing together all strands of both methods and applications with new in=
sights" will take place at the Isaac Newton Institute, Cambridge in June 19=
-23. If you might be interested in attending the workshop, you can apply th=
rough the website here:

https://www.newton.ac.uk/event/rntw04/

The deadline is March 20th.

A list of confirmed speakers is available at the link above and a tentative=
 schedule will be posted in the coming weeks. We look forward to seeing you=
 in Cambridge!

Best Regards,

Romina
(on behalf of the organisers: Simon Arridge, Romina Gaburro and Shari Mosko=
w)



--_000_DB9PR03MB7628988FFBD4FAEE586219BA87BD9DB9PR03MB7628eurp_
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    Dear All,
    

     
    

    the Workshop "Synergistic workshop on Rich and Non=
linear Tomography aimed at drawing together all strands of both methods and=
 applications with new insights" will take
 place at the Isaac Newton Institute, Cambridge in June 19-23. If you might=
 be interested in attending the workshop, you can apply through the website=
 here:
    

     
    

    https://www.newton.ac.uk/event/rntw04/=

    

     
    

    The deadline is March 20th.
    

     
    

    A list of confirmed speakers is available at the link a=
bove and a tentative schedule will be posted in the coming weeks. We look f=
orward to seeing you in Cambridge!
    

     
    

    Best Regards,
    

     
    

    Romina
    

    (on behalf of the organisers: Simon Arridge, Romina Gab=
urro and Shari Moskow)
    

     
    

     
    

    



--_000_DB9PR03MB7628988FFBD4FAEE586219BA87BD9DB9PR03MB7628eurp_--

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*Raimondo Penta

(University of Glasgow)*
*Thu Mar 23, 15:00-16:00 *
Lecture held in ADB1020

*Abstract: *Poroelasticity derived via asymptotic homogenization -
Mathematical modelling and numerical simulations. State of the art, further
perspectives, and extension to poroelastic composites

The mechanical behavior of a solid elastic structure interplaying with
fluid percolating its pores can be studied via the Theory of
Poroelasticity. There exists a large variety of scenarios of interest that
can be treated by means of a poroelastic modeling approach, including soil
mechanics, (bio) artificial constructs and biological tissues, such as
bone, organs, healthy and malignant (tumorous) cell aggregates. Here, we
(a) revisit the equations of poroelasticity derived via asymptotic
homogenization [I], (b) focus on recent applications of the theory [II, V],
and (c) we discuss recent advances on the subject which are relevant for
linear and nonlinear poroelastic composites [III, IV]. These latter are
materials where the average distance between the various matrix
constituents is comparable with the porescale.

References:

[I] Burridge, Robert, and Joseph B. Keller. Poroelasticity equations
derived from microstructure; The Journal of the Acoustical Society of
America 70.4 (1981): 1140-1146.

[II] Dehghani, H., R. Penta, and J. Merodio. The role of porosity and solid
matrix compressibility on the mechanical behavior of poroelastic tissues;
Materials Research Express 6.3 (2018): 035404.

[III] Miller, Laura, and Raimondo Penta. "Effective balance equations for
poroelastic composites." Continuum Mechanics and Thermodynamics (2020):
1-25.

[IV] Miller, Laura, and Raimondo Penta. "Homogenized Balance Equations for
Nonlinear Poroelastic Composites." Applied Sciences 11.14 (2021): 6611.

[V] Dehghani, H., Noll, I., Penta, R., Menzel, A., & Merodio, J. (2020).
The role of microscale solid matrix compressibility on the mechanical
behaviour of poroelastic materials. European Journal of Mechanics-A/Solids,
83, 103996.


*title::* Poroelasticity derived via asymptotic homogenization
*content::* University of Galway Maths Seminar

*date-time::* 23 Mar 2023 *at* 15:00
*location::* ADB1020
*endevent::*

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     Raimondo Penta (University of=
 Glasgow)
    
        
    
      Thu Mar 23, 15:00-16:00=C2=A0
    
                              Lecture held in ADB1020
    
                                                       =20
                    =20
                
    
 =20
 =20

  
    
          
    Abstract: Poroelasticity derived via asymptotic=20
homogenization - Mathematical modelling and numerical simulations. State
 of the art, further perspectives, and extension to poroelastic=20
composites 
    


    The mechanical behavior of a solid elastic structure interplaying=20
with fluid percolating its pores can be studied via the Theory of=20
Poroelasticity. There exists a large variety of scenarios of interest=20
that can be treated by means of a poroelastic modeling approach,=20
including soil mechanics, (bio) artificial constructs and biological=20
tissues, such as bone, organs, healthy and malignant (tumorous) cell=20
aggregates. Here, we (a) revisit the equations of poroelasticity derived
 via asymptotic homogenization [I], (b) focus on recent applications of=20
the theory [II, V], and (c) we discuss recent advances on the subject=20
which are relevant for linear and nonlinear poroelastic composites [III,
 IV]. These latter are materials where the average distance between the=20
various matrix constituents is comparable with the porescale. 
    


    References: 
    


    [I] Burridge, Robert, and Joseph B. Keller. Poroelasticity equations=20
derived from microstructure; The Journal of the Acoustical Society of=20
America 70.4 (1981): 1140-1146. 
    


    [II] Dehghani, H., R. Penta, and J. Merodio. The role of porosity and
 solid matrix compressibility on the mechanical behavior of poroelastic=20
tissues; Materials Research Express 6.3 (2018): 035404. 
    


    [III] Miller, Laura, and Raimondo Penta. "Effective balance equatio=
ns
 for poroelastic composites." Continuum Mechanics and Thermodynamics=
=20
(2020): 1-25. 
    


    [IV] Miller, Laura, and Raimondo Penta. "Homogenized Balance=20
Equations for Nonlinear Poroelastic Composites." Applied Sciences 11.1=
4=20
(2021): 6611. 
    


    [V] Dehghani, H., Noll, I., Penta, R., Menzel, A., & Merodio, J.=20
(2020). The role of microscale solid matrix compressibility on the=20
mechanical behaviour of poroelastic materials. European Journal of=20
Mechanics-A/Solids, 83, 103996.

    title:: Poro=
elasticity derived via asymptotic
homogenization
    
content::
University of Galway Maths Seminar 
    

    
date-time::
23 Mar 2023 at
15:00 
    
location::
ADB1020 
    
endevent::
    

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Date:         Mon, 20 Mar 2023 10:49:56 +0000
Reply-To:     Maria G Meehan 
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From:         Maria G Meehan 
Subject: Maths: Maths Ed Seminar Series (Online) - Anna Wood, 2pm Friday 24 March
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Dear Colleagues,

Dr Anna Wood, School of Mathematics, University of Edinburgh will be
speaking on *Friday, 24 March at 2pm. *

Zoom:
https://ucd-ie.zoom.us/j/65143110462?pwd=3DZEtxVmdhWWtkdmUvWDFrd2JqRTRYUT09

*Title:* Students=E2=80=99 use of lecture capture (and other digital resour=
ces) in
flipped and non-flipped classes.

*Abstract:* Over the last few years (even pre-pandemic), the use of lecture
captures was a hot topic. Discussions focussed on both the potential
negative impacts, such as reduced attendance, as well as the potential
benefits for accessibility and student choice. However in almost all these
discussions the context is assumed to be a traditional lecture format, in
which the predominant activity is the lecturer talking and the students
listening and writing notes. In this talk I will discuss the experience of
mathematics and physics students at the University of Edinburgh who have
used lecture captures in both traditional and flipped courses. Data was
collected through in-depth semi-structured interviews with ten first year
students. We found that students saw lecture capture as just one of a
number of digital resources available to them, and that other resources
such as digital notes were seen as equally valuable. The choice of which to
use in any given circumstance was determined by a number of factors
including the way information was presented in lectures, their beliefs
about learning, and the affordances of the resources being used.


In the final 10 minutes of the talk I will introduce the FILL+ tool
(Framework for Interactive Learning in Lectures), developed by myself and
George Kinnear, which provides accurate qualitative data about the
activities which take place during lectures. This tool is useful for giving
insights into what actually happens in lectures, what teachers and students
spend their time doing, and for thinking about what works and what doesn=E2=
=80=99t.
It can also be used to help teachers to reflect on their teaching, by
helping them to see how the lecture is experienced from the student=E2=80=
=99s
perspective.

Hope to see you there,
Maria
***********************************************************
Assoc. Prof. Maria Meehan
School of Mathematics and Statistics,
University College Dublin,
Belfield,
Dublin 4,
Ireland.
Tel.: + 353 1 716 2581

--000000000000b0516205f752b071
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    Dear Colleagues,

    Dr Anna Wood, School=
 of Mathematics, University of Edinburgh will be speaking on Friday, 24 =
March at 2pm.=C2=A0

    Zoom:=C2=A0
    Title: Students=E2=80=99 u=
se of lecture capture (and other digital
resources) in flipped and non-flipped classes.
    


    Abstract:=
 Over the last few years (even pre-p=
andemic), the use
of lecture captures was a hot topic. Discussions focussed on both the poten=
tial
negative impacts, such as reduced attendance, as well as the potential bene=
fits
for accessibility and student choice. However in almost all these discussio=
ns
the context is assumed to be a traditional lecture format, in which the
predominant activity is the lecturer talking and the students listening and
writing notes. In this talk I will discuss the experience of mathematics an=
d
physics students at the University of Edinburgh who have used lecture captu=
res
in both traditional and flipped courses. Data was collected through in-dept=
h
semi-structured interviews with ten first year students. We found that stud=
ents
saw lecture capture as just one of a number of digital resources available =
to
them, and that other resources such as digital notes were seen as equally
valuable. The choice of which to use in any given circumstance was determin=
ed
by a number of factors including the way information was presented in lectu=
res,
their beliefs about learning, and the affordances of the resources being us=
ed.

    


    In
the final 10 minutes of the talk I will introduce the FILL+ tool (Framework=
 for
Interactive Learning in Lectures), developed by myself and George Kinnear,
which provides accurate qualitative data about the activities which take pl=
ace
during lectures. This tool is useful for giving insights into what actually
happens in lectures, what teachers and students spend their time doing, and=
 for
thinking about what works and what doesn=E2=80=99t. It can also be used to =
help
teachers to reflect on their teaching, by helping them to see how the lectu=
re
is experienced from the student=E2=80=99s perspective.

    Hope to see you there,
    Maria
    *************************************=
**********************
    Assoc. Prof. Maria Meehan
    

    School of Mathematics and Statistics,
    

    University College Dublin,
    

    Belfield,
    

    Dublin 4,
    

    Ireland.
    

    Tel.: + 353 1 716 2581
    

--000000000000b0516205f752b071--

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Date:         Mon, 20 Mar 2023 19:09:24 +0000
Reply-To:     "Romina.Gaburro" 
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From:         "Romina.Gaburro" 
Subject: Maths: Maths: Isaac Newton Institute Inverse Problems Workshop, June 19-23 Cambridge
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--_000_DB9PR03MB7628C266A3A9831B9B64431787809DB9PR03MB7628eurp_
Content-Type: text/plain; charset="us-ascii"
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Dear All,

The deadline for applications to the June inverse problems workshop at INI,=
 Cambridge below has been extended to the 31st of March.

Best wishes,
Romina

From: Romina.Gaburro
Sent: Friday, March 17, 2023 4:03 PM
To: MATHDEP LISTSERV.HEANET.IE
Subject: Maths: Isaac Newton Institute Workshop, June 19-23 Cambridge

Dear All,

the Workshop "Synergistic workshop on Rich and Nonlinear Tomography aimed a=
t drawing together all strands of both methods and applications with new in=
sights" will take place at the Isaac Newton Institute, Cambridge in June 19=
-23. If you might be interested in attending the workshop, you can apply th=
rough the website here:

https://www.newton.ac.uk/event/rntw04/

The deadline is March 20th.

A list of confirmed speakers is available at the link above and a tentative=
 schedule will be posted in the coming weeks. We look forward to seeing you=
 in Cambridge!

Best Regards,

Romina
(on behalf of the organisers: Simon Arridge, Romina Gaburro and Shari Mosko=
w)



--_000_DB9PR03MB7628C266A3A9831B9B64431787809DB9PR03MB7628eurp_
Content-Type: text/html; charset="us-ascii"
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    Dear All,
    

     
    

    The deadline for applications t=
o the June inverse problems workshop at INI, Cambridge below has been
extended to the 31st of March.
    

     
    

    Best wishes,<=
/p>

    Romina
    

     
    

    

    

    From: Romina.Gaburro

    
Sent: Friday, March 17, 2023 4:03 PM
    
To: MATHDEP LISTSERV.HEANET.IE
    
Subject: Maths: Isaac Newton Institute Workshop, June 19-23 Cambridg=
e
    

    

    

     
    

    Dear All,
    

     
    

    the Workshop "Synergistic workshop on Rich and Non=
linear Tomography aimed at drawing together all strands of both methods and=
 applications with new insights" will take
 place at the Isaac Newton Institute, Cambridge in June 19-23. If you might=
 be interested in attending the workshop, you can apply through the website=
 here:
    

     
    

    http=
s://www.newton.ac.uk/event/rntw04/
    

     
    

    The deadline is March 20th.
    

     
    

    A list of confirmed speakers is available at the link a=
bove and a tentative schedule will be posted in the coming weeks. We look f=
orward to seeing you in Cambridge!
    

     
    

    Best Regards,
    

     
    

    Romina
    

    (on behalf of the organisers: Simon Arridge, Romina Gab=
urro and Shari Moskow)
    

     
    

     
    

    



--_000_DB9PR03MB7628C266A3A9831B9B64431787809DB9PR03MB7628eurp_--

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Date:         Mon, 20 Mar 2023 19:21:32 +0000
Reply-To:     "Ellis, Graham J." 
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From:         "Ellis, Graham J." 
Subject: Maths: Post-doc position and PhD fellowship in algebra, geometry and number theory on Tahiti
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Dear Friends and Colleagues,

Please find/share below advertisements for (1) a post-doc position, (2)
a PhD fellowship in algebra, geometry and number theory on Tahiti,
French Polynesia.

Best wishes,

Alexander
________________________________________________________

1) Post-doc position, 16 months full-time research, starting date
September 1, 2023, or later.

The successful applicant will join the GAATI laboratory and contribute
to the MELODIA project. Funded by ANR, this project aims to develop
effective methods for elliptic curves, abelian varieties, modular forms
and group cohomology. The successful applicant will also collaborate
with the projects partner institutions (Bordeaux, Marseilles, Rennes)
through research visits. Every researcher whose interests intersect
those of the MELODIA project is warmly invited to apply. The two main
selection criteria are : the scientific excellence of the applicant and
their contribution potential to the MELODIA project.
See: https://melodia.gaati.org/
The application file must be addressed to the president of the
university. It includes:
  a cover letter;
  a detailed resume;
  a copy of the doctorate degrees;
  a research statement including possible collaborations within the
MELODIA project.
This file must be sent in PDF format by electronic mail to
drh.recrutements upf.pf at the latest

Wednesday 31 May 2023.
_______________________________________________________

2) PhD fellowship

The department of mathematics of the University of French Polynesia is
seeking applicants for a PhD scholarship.

The doctoral project will start in Septembre 2023 for a duration of
three years and will be co-advised by Alexander Rahm and Gaetan Bisson.
The research efforts will take place within the framework of the MELODIA
project which focuses on elliptic curves, isogenies, cohomology, etc. See:

     https://melodia.gaati.org/objectives/

During the three-year program, the PhD candidate will make several
research visits to partner universities so as to collaborate with
MELODIA project members.

We are seeking students with basic knowledge in algebra, geometry,
and/or their computational aspects.

Applications must be sent to  by Friday 7 April 2023
anywhere on Earth. They must include:
- a cover letter
- a detailed resume
- any other document that the applicant deems relevant for the hiring
committee to better appreciate their qualities, such as their master's
degree grades, letters of recommandation, etc.
____________________________________________________

Please do not hesitate to contact me if you would like to have more
information about one of these two positions:

Prof. Dr. Alexander D. Rahm 
Universit=E9 de la Polyn=E9sie Fran=E7aise
Laboratoire GAATI
http://gaati.org/rahm/

--_000_DB9PR01MB99544CBC226E7D0C56426F8391809DB9PR01MB9954eurp_
Content-Type: text/html; charset="iso-8859-1"
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Dear Friends and Colleagues=
,
    

    
Please find/share below advertisements for (1) a post-doc position, (2)
    
a PhD fellowship in algebra, geometry and number theory on Tahiti,
    
French Polynesia.
    

    
Best wishes,
    

    
Alexander
    
________________________________________________________
    

    
1) Post-doc position, 16 months full-time research, starting date
    
September 1, 2023, or later.
    

    
The successful applicant will join the GAATI laboratory and contribute
    
to the MELODIA project. Funded by ANR, this project aims to develop
    
effective methods for elliptic curves, abelian varieties, modular forms
    
and group cohomology. The successful applicant will also collaborate
    
with the projects partner institutions (Bordeaux, Marseilles, Rennes)
    
through research visits. Every researcher whose interests intersect
    
those of the MELODIA project is warmly invited to apply. The two main
    
selection criteria are : the scientific excellence of the applicant and
    
their contribution potential to the MELODIA project.
    
See: 
https://melodia.gaati.org/
    
The application file must be addressed to the president of the
    
university. It includes:
    
  a cover letter;
    
  a detailed resume;
    
  a copy of the doctorate degrees;
    
  a research statement including possible collaborations within the
MELODIA project.
    
This file must be sent in PDF format by electronic mail to
    
drh.recrutements upf.pf at the latest
    

    
Wednesday 31 May 2023.
    
_______________________________________________________
    

    
2) PhD fellowship
    

    
The department of mathematics of the University of French Polynesia is
    
seeking applicants for a PhD scholarship.
    

    
The doctoral project will start in Septembre 2023 for a duration of
    
three years and will be co-advised by Alexander Rahm and Gaetan Bisson.
    
The research efforts will take place within the framework of the MELODIA
project which focuses on elliptic curves, isogenies, cohomology, etc. See:<=
br>

    
     
https://melodia.gaati.org/objectives/
    

    
During the three-year program, the PhD candidate will make several
    
research visits to partner universities so as to collaborate with
    
MELODIA project members.
    

    
We are seeking students with basic knowledge in algebra, geometry,
    
and/or their computational aspects.
    

    
Applications must be sent to <bisson gaati.org> by Friday 7 April 202=
3
    
anywhere on Earth. They must include:
    
- a cover letter
    
- a detailed resume
    
- any other document that the applicant deems relevant for the hiring
    
committee to better appreciate their qualities, such as their master's
    
degree grades, letters of recommandation, etc.
    
____________________________________________________
    

    
Please do not hesitate to contact me if you would like to have more
    
information about one of these two positions:
    

    
Prof. Dr. Alexander D. Rahm <Alexander.Rahm upf.pf>
    
Universit=E9 de la Polyn=E9sie Fran=E7aise
    
Laboratoire GAATI
    
http://gaati.org/rahm/
    



--_000_DB9PR01MB99544CBC226E7D0C56426F8391809DB9PR01MB9954eurp_--

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Date:         Tue, 21 Mar 2023 07:32:15 +0000
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Subject: maths: UCD Algebra and Number Theory seminar
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UCD Algebra and Number Theory Seminar

Speaker: Detlev Hoffmann (TU Dortmund)

Title: The Quadratic Zariski Problem

Abstract:  Consider two finitely generated field extensions K and L of =
the same transcendence degree over some base field F.
Suppose these extensions become isomorphic over F after adjoining some =
variables.  Does this imply that K is already isomorphic=20
to L over F?  This is commonly known as the Zariski problem.  It is =
known that in general the answer is negative. The quadratic Zariski =
problem QZP (a terminology coined by Jack Ohm) now asks this question in =
the case where K and L are function fields of quadrics of the same =
dimension over F. QZP has a positive answer for quadrics of small =
dimension or for quadrics defined by quadratic forms of certain types, =
but no counterexamples are known.  We extend the list of quadratic forms =
and for base fields F for which QZP has a positive answer. For example, =
we show that QZP has a positive answer for number fields with at most =
one real place, or for pythagorean fields with at most two orderings.

Date: Tuesday, March 28, 2023 (note the different day)
Time: 2:00pm
Location: Seminar Room, SCN, Room 1.25

Further information: https://maths.ucd.ie/~kazim_b/UCD_ANT_Seminar.html

title:: UCD Algebra and Number Theory Seminar
content:: Detlev Hoffmann (TU Dortmund) will speak on
::  The Quadratic Zariski Problem
date-time:: Tuesday, March 28, 2023 at 2:00pm
location:: Seminar Room, SCN, Room 1.25
endevent::=

--Apple-Mail=_C8166E5F-7CAF-483D-89BA-3F78E7253EB1
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html;
	charset=us-ascii


    UCD Algebra and Number Theory =
Seminar

    Speaker: Detlev Hoffmann (TU Dortmund)

    Title: The Quadratic Zariski Problem

    Abstract:  Consider two finitely generated field =
extensions K and L of the same transcendence degree over some base field =
F.
    Suppose these extensions become isomorphic over F after adjoining =
some variables.  Does this imply that K is already =
isomorphic 
    to L over F?  This is commonly known as the Zariski =
problem.  It is known that in general the answer is negative. The =
quadratic Zariski problem QZP (a terminology coined by Jack Ohm) now =
asks this question in the case where K and L are function fields of =
quadrics of the same dimension over F. QZP has a positive answer for =
quadrics of small dimension or for quadrics defined by quadratic forms =
of certain types, but no counterexamples are known.  We extend the =
list of quadratic forms and for base fields F for which QZP has a =
positive answer. For example, we show that QZP has a positive =
answer for number fields with at most one real place, or for pythagorean =
fields with at most two orderings.

    Date: Tuesday, =
March 28, 2023 (note the different day)
    Time: 2:00pm
    Location: Seminar Room, SCN, Room =
1.25

    Further =
information: https://maths.=
ucd.ie/~kazim_b/UCD_ANT_Seminar.html

    title:: UCD Algebra and Number Theory Seminar
    content:: Detlev Hoffmann (TU Dortmund) will speak =
on
    ::  The Quadratic Zariski Problem
    date-time:: =
Tuesday, March 28, 2023 at 2:00pm
    location:: Seminar Room, SCN, Room 1.25
    endevent::
    =

--Apple-Mail=_C8166E5F-7CAF-483D-89BA-3F78E7253EB1--

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Date:         Tue, 21 Mar 2023 12:24:35 +0000
Reply-To:     Martin Friesen 
Sender:       UCD Maths Department Distribution List 
From:         Martin Friesen 
Subject: MATHS: Invitation Mathematical Finance Research Seminar
To:           MATHDEP LISTSERV.HEANET.IE
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Dear colleagues,

I would like to bring your attention to our next talk in our Mathematical
Finance Research Seminar taking place at the DCU.

Date: 24th March 2023
Time: 11:00 - 12:00
Venue: Dublin City University, Glasnevin Campus, X131

Name: Camilla Hahn (Senior Quantitative Risk Analyst at Statkraft)
Title: Working in Quantitative Risk Analysis at Statkraft

Abstract: I am a senior quantitative risk analyst at Statkraft. Statkraft
is an international leader
in hydropower and Europe=E2=80=99s biggest producer of renewable energy. In=
 the
risk department, we
focus on the stochastic modelling of long-term energy prices and the risk
modelling of long term
Power Purchase Agreements. Prior to working at Statkraft, I was a Cloud
Data Engineering
Consultant at Accenture. I hold a PhD in applied mathematics from the
University of Wuppertal,
where my research interest was in shape optimization and finite element
theory. In this talk, I
will present Statkraft and my work as a quantitative risk analyst.


title:: Mathematical Finance Research Seminar
content:: Camilla Hahn
:: Senior Quantitative Risk Analyst at Statkraft
:: Title: I am a senior quantitative risk analyst at Statkraft. Statkraft
is an international leader
:: in hydropower and Europe=E2=80=99s biggest producer of renewable energy.=
 In the
risk department, we
:: focus on the stochastic modelling of long-term energy prices and the
risk modelling of long term
:: Power Purchase Agreements. Prior to working at Statkraft, I was a Cloud
Data Engineering
:: Consultant at Accenture. I hold a PhD in applied mathematics from the
University of Wuppertal,
:: where my research interest was in shape optimization and finite element
theory. In this talk, I
:: will present Statkraft and my work as a quantitative risk analyst.
date-time:: Wednesday, 24th March at 11 am
location:: Dublin City University, Glasnevin Campus, X131
endevent::






*Dr. Martin Friesen*
Ollamh C=C3=BAnta | X138B | Scoil na nEola=C3=ADochta=C3=AD Matamaitice | O=
llscoil
Chathair Bhaile =C3=81tha Cliath
Assistant Professor | X138B | School of Mathematical Sciences | Dublin City
University

martin.friesen dcu.ie 
https://www.dcu.ie/researchsupport/research-profile?person_id=3D15556
https://sites.google.com/view/martinfriesen/home

Scoil na nEola=C3=ADochta=C3=AD Matamaitice | | Foirgneamh Lonsdale | Campa=
s Ghlas
Na=C3=ADon, DCU | B=C3=81C 9
School of Mathematical Sciences |  | Lonsdale Building | DCU Glasnevin
Campus | Dublin 9

--=20
*

*S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer*

*T=C3=A1 an r=C3=ADomhphost seo agus aon=20
chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=A1id ag an se=
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*

*This e-mail and any=20
files transmitted with it are confidential and are intended solely for use=
=20
by the addressee. Read more here.=20
*



*

--=20

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=20
=20
=C2=A0

--0000000000000b83f505f7682109
Content-Type: text/html; charset="UTF-8"
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    Dear colleagues,

    I=
 would like to bring=20
your attention to our next talk in our Mathematical Finance Research=20
Seminar taking place at the DCU. 

    Date: 24th M=
arch 2023
    Time: 11:00 - 12:00
    Venue: Dublin Cit=
y University, Glasnevin Campus, X131

    Name: Cam=
illa Hahn (Senior Quantitative Risk Analyst at Statkraft)
    Title: =
Working in Quantitative Risk Analysis at Statkraft

    Abstract: I am a senior quantitative risk analyst at Statkraft. Statkraft =
is an international leader
    in hydropower and Europe=E2=80=99s biggest pr=
oducer of renewable energy. In the risk department, we
    focus on the stoc=
hastic modelling of long-term energy prices and the risk modelling of long =
term
    Power Purchase Agreements. Prior to working at Statkraft, I was a C=
loud Data Engineering
    Consultant at Accenture. I hold a PhD in applied m=
athematics from the University of Wuppertal,
    where my research interest =
was in shape optimization and finite element theory. In this talk, I
    wil=
l present Statkraft and my work as a quantitative risk analyst.
    <=
br>

    title:: Mathematical Finance =
Research Seminar
    
content:: Camilla Hahn
    
:: Senior Quantitative Risk Analyst at Statkraft
    
:: Title: I am a senior quantitative risk analyst at Statkraft. Statkraft i=
s an international leader
    :: in hydropower and Europe=E2=80=99s biggest =
producer of renewable energy. In the risk department, we
    :: focus on the=
 stochastic modelling of long-term energy prices and the risk modelling of =
long term
    :: Power Purchase Agreements. Prior to working at Statkraft, I=
 was a Cloud Data Engineering
    :: Consultant at Accenture. I hold a PhD i=
n applied mathematics from the University of Wuppertal,
    :: where my rese=
arch interest was in shape optimization and finite element theory. In this =
talk, I
    :: will present Statkraft and my work as a quantitative risk ana=
lyst.
    date-time:: Wednesday, 24th March at 11 am
    
location:: Dublin City University, Glasnevin Campus, X131
    
endevent::





    Dr. Martin Friesen
    Ollamh C=C3=BAnta | X138B | Scoil na nEola=C3=ADochta=C3=AD Matamaitice | Ollscoil Chathair Bhaile =C3=81tha Cliath
    Assistant Professor | X138B | School of Mathematical Sciences =
| Dublin City University=C2=A0
    https://www.dcu.ie/researchsupport/research-profile?person_id=
=3D15556

    Scoil na nEola=C3=ADochta=C3=AD=
 Matamaitice |  | Foirgneamh Lonsdale | Ca=
mpas Ghlas Na=C3=ADon, DCU | B=C3=81C 9
    School of Mathematical Sciences |=C2=A0 | Lonsdale Building | DCU G=
lasnevin Campus | Dublin 9

    


    

    S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=

    T=C3=A1 an r=C3=ADomhphost seo agus a=
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    This e-mail and any files transmitted with it are confidential and a=
re intended solely for use by the addressee. Read more here.<=
/span>


    =

    

    

    <=
a href=3D"https://www.youtube.com/user/DublinCityUniversity" target=3D"_bla=
nk">=C2=A0
    
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Date:         Tue, 21 Mar 2023 13:00:25 +0000
Reply-To:     Isaac Burke 
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From:         Isaac Burke 
Subject: Re: maths: MU Maths-Stats Colloquium, Monday 27th March
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Date:         Tue, 21 Mar 2023 13:05:00 +0000
Reply-To:     Isaac Burke 
Sender:       UCD Maths Department Distribution List 
From:         Isaac Burke 
Subject: maths: MU Maths-Stats Colloquium, Wednesday 22nd March [tomorrow]
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--_000_AM6PR02MB4134D91EEB7879847EF064DDFC819AM6PR02MB4134eurp_
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Dear colleagues,

This is a reminder that:

This week's MU Mathematics and Statistics Colloquium takes place as usual o=
n Wednesday 22nd March at 3pm in MS2, Logic House, Maynooth University. See=
 below for details. All are welcome.

Best wishes,
Isaac

___________________________________________________________________________

Speaker: Dr Kevin Credit, Maynooth University

Title: Understanding urban street network structure with graph representati=
on learning

Abstract: Urban planning scholars have long been interested in the ways tha=
t street networks structure activity patterns in cities (Jacobs, 1961). Whi=
le much of this research has focused on the apparent heterogeneity in stree=
t network form (Boeing, 2019) =96 from 19th century grid patterns to suburb=
an =91loops and lollipops=92 =96 some recent work has suggested that the fu=
ndamental hierarchical structure of urban street networks is invariant acro=
ss cities and time periods (Kirkley et al. 2018). The purpose of this paper=
 is to use a newer neural network-based graph representation method =96 nod=
e2vec =96 to better understand the competing role of heterogeneity vs. inva=
riance in urban street networks. In particular, we=92re interested in under=
standing the role of spatial scale in street network invariance, analysing =
differences in walking and driving networks, and better explaining (in a qu=
alitative sense) the distribution of embeddings produced by the graph repre=
sentation models by looking at the spatial patterns of embeddings. From a p=
reliminary analysis of street networks in two cities, Chicago and London, i=
t appears that the results of the graph representation learning method supp=
orts the two-part invariant structure observed by Kirkley et al. (2018), bu=
t more work is needed to understand the nature of these results and how the=
y interact with actual travel (e.g., edge weights) across these networks. T=
his is joint work with Qian Xiao, Trinity College Dublin.

___________________________________________________________________________


--_000_AM6PR02MB4134D91EEB7879847EF064DDFC819AM6PR02MB4134eurp_
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Dear colleagues,
    

    

    

    

    
This is a reminder that:
    


    

    

    This week's MU Mathematics and Statistics =
Colloquium takes place as usual on
Wednesday 22nd March at 3pm in MS2, Logic House, Maynooth University=
. See below for details. All are welcome.
    


    

    

    Best wishes,
    

    Isaac
    


    

    

    _____________________________________________=
______________________________
    


    

    

    Speaker: Dr Kevin Credit, Maynooth Uni=
versity
    


    

    

    Title: Understanding urban street netw=
ork structure with graph representation learning
    


    

    

    Abstract: Urban planning scholars have=
 long been interested in the ways that street networks structure activity p=
atterns in cities (Jacobs, 1961). While much of this research has focused o=
n the apparent heterogeneity in street
 network form (Boeing, 2019) =96 from 19th century grid patterns to suburba=
n =91loops and lollipops=92 =96 some recent work has suggested that the fun=
damental hierarchical structure of urban street networks is invariant acros=
s cities and time periods (Kirkley et al.
 2018). The purpose of this paper is to use a newer neural network-based gr=
aph representation method =96 node2vec =96 to better understand the competi=
ng role of heterogeneity vs. invariance in urban street networks. In partic=
ular, we=92re interested in understanding
 the role of spatial scale in street network invariance, analysing differen=
ces in walking and driving networks, and better explaining (in a qualitativ=
e sense) the distribution of embeddings produced by the graph representatio=
n models by looking at the spatial
 patterns of embeddings. From a preliminary analysis of street networks in =
two cities, Chicago and London, it appears that the results of the graph re=
presentation learning method supports the two-part invariant structure obse=
rved by Kirkley et al. (2018), but
 more work is needed to understand the nature of these results and how they=
 interact with actual travel (e.g., edge weights) across these networks. Th=
is is joint work with Qian Xiao, Trinity College Dublin.
    


    

    

    _____________________________________________=
______________________________
    


    

    

    



--_000_AM6PR02MB4134D91EEB7879847EF064DDFC819AM6PR02MB4134eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar 21 18:16:44 2023
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Date:         Tue, 21 Mar 2023 18:15:11 +0000
Reply-To:     "Denjoe O'Connor" 
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From:         "Denjoe O'Connor" 
Subject: maths: DIAS Zoominar Thursday March 23rd 14:30 speaker Des Johnston
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--111151493-1619833559-1678905227=:3237139
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Dear Colleagues,
                 please join us for our upcoming Theoretical Physics Seminar at
14:30 Thursday March 23rd by Des Johnston. The seminar will be on zoom via
the link:

Date: Thursday March 23th
Time: 14:30
https://us02web.zoom.us/j/6199730148?pwd=SjVGcTJWQmZZNndHenMyRStsL0lKdz09
Meeting ID: 619 973 0148
Passcode: 122512

                     Des Johnston
                Heriot-Watt University, Edinburgh

Title: The 3D Plaquette Ising Model, subsystem symmetries and fractons

Abstract: A fracton is an emergent topological quasiparticle excitation 
which has restricted mobility. Interest in models possessing such 
excitations was piqued by work by Pretko and Vijay, Haah and Fu (VHF) 
around 2016, though they implicitly existed in other models defined 
earlier.In their paper VHF formulated the so-called X-cube model, which 
had fractonic excitations and pointed out its relation via a duality to a 
spin model with a sub-system symmetry - the 3D plaquette Ising model, an 
old favourite of mine. In the talk we will look at both the classical and 
quantum versions of the 3D plaquette Ising model. In the classical case we 
discuss the unusual scaling properties of its first order phase transition 
due to the presence of a subsystem symmetry and the nature of the ordered 
phase. In the quantum case we contrast the nature of the quasiparticle 
excitations in the dual X-cube model(fractonic) with those in the 2D 
toric code (anyonic).


With best wishes,
Denjoe.
--111151493-1619833559-1678905227=:3237139--

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Subject: maths: Dublin Theoretical Physics Colloquium - TODAY
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From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 22 09:32:21 2023
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Date:         Wed, 22 Mar 2023 09:31:36 +0000
Reply-To:     Marvin Anas Hahn 
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From:         Marvin Anas Hahn 
Subject: TCD Dublin Mathematics Colloquium =?utf-8?Q?=E2=80=93_?=23 March
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Dear all,

It is our pleasure to invite you to this week=E2=80=99s Dublin =
Mathematics Colloquium (https://www.maths.tcd.ie/~dmc/ =
) which takes places on Thursday 23 =
March, 4pm in the HMI Seminar room. Our speaker is Oscar Garcia-Prada =
(ICMAT, Madrid), who will speak about:

title: Higgs bundles and higher Teichm=C3=BCller spaces=20
abstract: It is well-known that the Teichm=C3=BCller space of a compact =
real surface can be identified with a connected component of the moduli =
space of representations of the fundamental group of the surface in =
PSL(2,R). Higher Teichm=C3=BCller spaces are generalizations of this, =
where PSL(2,R) is replaced by certain simple non-compact real Lie groups =
of higher rank. As for the usual Teichm=C3=BCller space, these spaces =
consist entirely of discrete and faithful representations. Several cases =
have been identified over the years. First, the Hitchin components for =
split groups, then the maximal Toledo invariant components for Hermitian =
groups, and more recently certain components for SO(p,q). In this talk, =
I will describe a general construction of all possible higher =
Teichm=C3=BCller spaces, and a parametrization of them using the theory =
of Higgs bundles, given in joint work with Bradlow, Collier, Gothen and =
Oliveira.=20


Best regards,
Florian Naef and Marvin Anas Hahn



title:: Dublin Mathematics Colloquium
content:: Oscar Garcia-Prada will speak on
:: Higgs bundles and higher Teichm=C3=BCller spaces=20
:: https://www.maths.tcd.ie/~dmc/ 
date-time:: Thursday, March 23th at 4:00pm
location:: HMI Seminar Room, Hamilton Building, TCD=

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    Dear all,

    It is our pleasure to =
invite you to this week=E2=80=99s Dublin Mathematics Colloquium =
(https://www.maths.tcd.ie/~dmc/) which takes places on Thursday 23 =
March, 4pm in the HMI Seminar =
room. Our speaker =
is Oscar Garcia-Prada (ICMAT, Madrid), who will =
speak about:

    title: Higgs bundles and higher =
Teichm=C3=BCller spaces 
    abstract: It is well-known that =
the Teichm=C3=BCller space of a compact real surface can be identified =
with a connected component of the moduli space of representations of the =
fundamental group of the surface in PSL(2,R). Higher Teichm=C3=BCller =
spaces are generalizations of this, where PSL(2,R) is replaced by =
certain simple non-compact real Lie groups of higher rank. As for the =
usual Teichm=C3=BCller space, these spaces consist entirely of discrete =
and faithful representations. Several cases have been identified over =
the years. First, the Hitchin components for split groups, then the =
maximal Toledo invariant components for Hermitian groups, and more =
recently certain components for SO(p,q). In this talk, I will describe a =
general construction of all possible higher Teichm=C3=BCller spaces, and =
a parametrization of them using the theory of Higgs bundles, given in =
joint work with Bradlow, Collier, Gothen and =
Oliveira. 


    Best regards,
    Florian Naef =
and Marvin Anas Hahn



    title:: Dublin =
Mathematics Colloquium
    content:: =
Oscar Garcia-Prada will speak =
on
    :: Higgs bundles and higher Teichm=C3=BCller =
spaces 
    :: https://www.maths.tcd.ie/~dmc/
    date-time:: Thursday, March 23th at 4:00pm
    location:: HMI Seminar Room, Hamilton =
Building, =
TCD
    =

--Apple-Mail=_4D7C424D-6537-4D5B-B8F4-9BECB59B3778--

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The School of Mathematical and Statistical Sciences at
University of Galway is currently advertising two
permanent lectureships in Mathematics:

  https://universityvacancies.com/university-galway/lecturer-above-bar-mathematics-2-full-time-permanent-roles-available-contract

with a closing date of April 27.   The proposed starting date is
September 1, 2023.  Please feel free to share this
information with anyone who may be interested.

For informal enquiries, please contact
Götz Pfeiffer (goetz.pfeiffer nuigalway.ie) or
Angela Carnevale (angela.carnevale nuigalway.ie)


​------------------------------------------------------------------------
goetz.pfeiffer nuigalway.ie           http://schmidt.nuigalway.ie/~goetz
Mathematics, NUI Galway, Ireland.                  phone +353-91-49-3591

From owner-mathdep LISTSERV.HEANET.IE  Fri Mar 24 09:18:16 2023
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Dear Colleagues,

You are welcome to the followingseminar (details below). Coffee/tea and 
cake will be provided after the event at 2pm.

_*UCC*__*Mathematical Sciences Seminar
*_

*Time and location:*1-2pm, Thursday 30th March, Western Gateway 
Building, room 402*
*

*Speaker:*Soizic Terrien (Laboratoire d'Acoustique de l'Universite du 
Mans, France)

*
*

*Title:*Emergence of complex pulsing dynamics in excitable systems with 
delayed feedback

*
*

*Abstract:* Excitability is a very general phenomenon encountered in 
contexts as diverse as biology, chemical sciences or optics. While at 
rest state, an excitable system can react to a sufficiently large 
external perturbation by releasing a pulse response. In the presence of 
a feedback loop, excitable pulses can regenerate themselves when 
reinjected after a delay time. As demonstrated recently in optical and 
biological excitable systems, this can lead to the emergence of 
multistable periodic pulsing regimes corresponding to different number 
of equidistant pulses in the feedback loop. Here, we consider an 
excitable microlaser subject to delayed optical feedback. Experimentally 
and numerically, we investigate the emergence of multifrequency 
dynamics. An in-depth bifurcation analysis of a suitable mathematical 
model, written as a system of three delay-differential equations, 
unveils that resonance tongues play a key role in the emergence of 
complex dynamics, including periodic regimes with non-equidistant 
pulsing patterns and chaotic pulsing. A merging process of resonance 
tongues is shown to result in unexpectedly large regions of locked 
dynamics in the parameter plane of feedback delay and feedback strength. 
These locking regions may disconnect from the relevant torus bifurcation 
curve in a general mechanism of interaction between resonance tongues at 
an extremum of the rotation number on the torus bifurcation curve. The 
existence of such unconnected large regions of locked dynamics is in 
excellent agreement with experimental observations.

Best wishes,

Andrew Keane


title:: Mathematical Sciences Seminar (University College Cork)
content:: Soizic Terrien (Laboratoire d'Acoustique de l'Universite du 
Mans, France) will speak on
:: Emergence of complex pulsing dynamics in excitable systems with 
delayed feedback
:: For further information see:
:: https://www.ucc.ie/en/matsci/events/somsseminarseries2022-23/
date-time:: 30th March 2023 at 13:00
location:: Western Gateway Building 402, University College Cork
endevent::

--------------u9g0jpx1PaHAI4Sc0UETh9E5
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    Dear Colleagues,
    
       
    
      You are welcome to
        the following seminar (details below).
          Coffee/tea and cake will be provided after the event at 2pm. 
    
            
    
    
      
    
        
    
          
    
            
    
              
    
                
    
                  
    
                    
    
                      
    
                        
    
                          
    
                            
    
                              
    
                                
    
                                  
    
                                    
    
                                      
    
                                        
    
                                          
    
                                            
    
                                              
    
                                                
    
                                                  
    
                                                    
    
                                                      
    
                                                        
    
                                                          
     
    
                                                          
    UCC Mathematical Sciences Seminar
    
                                                          
    
                                                          
     
    
                                                          
    Time
                                                          and location:
                                                          1-2pm, Thursday 30th March,
                                                          Western
                                                          Gateway
                                                          Building, room
                                                          402
    
                                                          
    
                                                          
     
    
                                                          
    Speaker:
                                                          Soizic Terrien
                                                          (Laboratoire
                                                          d'Acoustique
                                                          de
                                                          l'Universite
                                                          du Mans,
                                                          France)
    
                                                          
     
    
                                                          
    
                                                          
    Title: Emergence of complex pulsing dynamics in
                                                          excitable
                                                          systems with
                                                          delayed
                                                          feedback
    
                                                          
     
    
                                                          
    
                                                          
     
    
                                                          
                                                          
     
    
                                                              
                                                          
     
    
                                                              
                                                          
    Abstract: Excitability
                                                          is a very
                                                          general
                                                          phenomenon
                                                          encountered in
                                                          contexts as
                                                          diverse as
                                                          biology,
                                                          chemical
                                                          sciences or
                                                          optics. While
                                                          at rest state,
                                                          an excitable
                                                          system can
                                                          react to a
                                                          sufficiently
                                                          large external
                                                          perturbation
                                                          by releasing a
                                                          pulse
                                                          response. In
                                                          the presence
                                                          of a feedback
                                                          loop,
                                                          excitable
                                                          pulses can
                                                          regenerate
                                                          themselves
                                                          when
                                                          reinjected
                                                          after a delay
                                                          time. As
                                                          demonstrated
                                                          recently in
                                                          optical and
                                                          biological
                                                          excitable
                                                          systems, this
                                                          can lead to
                                                          the emergence
                                                          of multistable
                                                          periodic
                                                          pulsing
                                                          regimes
                                                          corresponding
                                                          to different
                                                          number of
                                                          equidistant
                                                          pulses in the
                                                          feedback loop.
                                                          Here, we
                                                          consider an
                                                          excitable
                                                          microlaser
                                                          subject to
                                                          delayed
                                                          optical
                                                          feedback.
                                                          Experimentally
                                                          and
                                                          numerically,
                                                          we investigate
                                                          the emergence
                                                          of
                                                          multifrequency
                                                          dynamics. An
                                                          in-depth
                                                          bifurcation
                                                          analysis of a
                                                          suitable
                                                          mathematical
                                                          model, written
                                                          as a system of
                                                          three
                                                          delay-differential
                                                          equations,
                                                          unveils that
                                                          resonance
                                                          tongues play a
                                                          key role in
                                                          the emergence
                                                          of complex
                                                          dynamics,
                                                          including
                                                          periodic
                                                          regimes with
                                                          non-equidistant
                                                          pulsing
                                                          patterns and
                                                          chaotic
                                                          pulsing. A
                                                          merging
                                                          process of
                                                          resonance
                                                          tongues is
                                                          shown to
                                                          result in
                                                          unexpectedly
                                                          large regions
                                                          of locked
                                                          dynamics in
                                                          the parameter
                                                          plane of
                                                          feedback delay
                                                          and feedback
                                                          strength.
                                                          These locking
                                                          regions may
                                                          disconnect
                                                          from the
                                                          relevant torus
                                                          bifurcation
                                                          curve in a
                                                          general
                                                          mechanism of
                                                          interaction
                                                          between
                                                          resonance
                                                          tongues at an
                                                          extremum of
                                                          the rotation
                                                          number on the
                                                          torus
                                                          bifurcation
                                                          curve. The
                                                          existence of
                                                          such
                                                          unconnected
                                                          large regions
                                                          of locked
                                                          dynamics is in
                                                          excellent
                                                          agreement with
                                                          experimental
                                                          observations. 
    
                                                              
 
                                                          
    
                                                          
     
    
                                                          
    
                                                          
    
                                                          
    Best
                                                          wishes,
    
                                                          
    
                                                          
    
                                                          
    Andrew
                                                          Keane
    
                                                          
    
                                                          
    
                                                          title::
                                                          Mathematical
                                                          Sciences
                                                          Seminar
                                                          (University
                                                          College Cork)
    
                                                          content:: Soizic Terrien
                                                          (Laboratoire
                                                          d'Acoustique
                                                          de
                                                          l'Universite
                                                          du Mans,
                                                          France)
                                                          will speak on
    
                                                          :: Emergence
                                                          of complex
                                                          pulsing
                                                          dynamics in
                                                          excitable
                                                          systems with
                                                          delayed
                                                          feedback
    
                                                          :: For further
                                                          information
                                                          see:
    
                                                          :: https://www.ucc.ie/en/matsci/events/somsseminarseries2022-23/
    
                                                          date-time::
                                                          30th March
                                                          2023 at 13:00
    
                                                          location::
                                                          Western
                                                          Gateway
                                                          Building 402,
                                                          University
                                                          College Cork
    
                                                          endevent::
    
                                                          
    
                                                          
    
                                                          
    
                                                      
    
                                                    
    
                                                  
    
                                                
    
                                              
    
                                            
    
                                          
    
                                        
    
                                      
    
                                    
    
                                  
    
                                
    
                              
    
                            
    
                          
    
                        
    
                      
    
                    
    
                  
    
                
    
              
    
            
    
          
    
        
    
      
    
    
    
  


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Reply-To:     Bernd Kreussler 
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              <00000b184f94220f-dmarc-request LISTSERV.HEANET.IE>
Subject: maths: Mathematics Lectureship at MIC Limerick
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Mary Immaculate College Limerick wishes to appoint an Assistant Lecturer/Le=
cturer in Mathematics on a permanent, full-time basis.

For full details visit https://www.mic.ul.ie/about-mic/vacancies

The application deadline is 2pm on Thursday 20th April. The proposed starti=
ng date is the 1st of September 2023.

Pease feel free to share this information with anyone who may be interested=
.

For informal enquiries, you may contact Bernd Kreussler (Bernd.Kreussler mi=
c.ul.ie).

Best wishes,
Bernd





S=E9anadh R=EDomhphoist / Email Disclaimer https://www.mic.ul.ie/about-mic/=
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Mary Immaculate College Limerick wishes to appoint an =
Assistant Lecturer/Lecturer
 in Mathematics on a permanent, full-time basis.
    

    

    

    

    

    
For full details visit
https://www.mic.ul.ie=
/about-mic/vacancies
    

    

    

    

    

    
The application deadline is 2pm on Thu=
rsday
20th April. The proposed start=
ing date is

the 1st =
of 
September 2023. 
    

    

    

    

    

    
Pease feel free to share this informat=
ion with anyone who may be interested.
    

    

    

    

    
For informal enquiries, you may contac=
t Bernd Kreussler (Bernd.Kreussler mic.ul.ie).
    

    

    

    

    
Best wishes,
    

    
Bernd
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    
S=E9anadh R=EDomhphoist / Email Disclaimer https://www.mic.ul.ie/about-mic/=
college-services/ict-services?index=3D5



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Date:         Fri, 24 Mar 2023 14:16:37 +0000
Reply-To:     Isaac Burke 
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From:         Isaac Burke 
Subject: maths: MU Maths-Stats Colloquium, Wednesday 29th March
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Dear colleagues,

Next week's MU Mathematics and Statistics Colloquium takes place as usual o=
n Wednesday 29th March at 3pm in MS2, Logic House, Maynooth University. See=
 below for details. All are welcome.

Best wishes,
Isaac

___________________________________________________________________________

Speaker: Professor Katrin Wendland, Trinity College Dublin

Title: Invariant versus generic

Abstract: The Euler characteristic is a classical invariant for topological=
 manifolds. On complex manifolds, one can obtain from it some information a=
bout the Hodge numbers, that is, about the dimensions of spaces of harmonic=
 differential forms, which in turn can be interpreted as invariants that 'c=
ount' so-called BPS-states in an associated quantum field theory. By genera=
lizing this, we shall discuss an invariant that 'counts' so-called generic =
quarter BPS-states on K3 surfaces.

___________________________________________________________________________

title:: MU Maths-Stats Colloquium
content:: Professor Katrin Wendland
:: Trinity College Dublin
:: presents a talk entitled "Invariant versus generic"
date-time:: 29th March 2023 at 3pm
location:: Room MS2, Logic House, Maynooth University
endevent::


--_000_AM6PR02MB41344698BDFB5960B7EE54E5FC849AM6PR02MB4134eurp_
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Dear colleagues,


    

    

    Next week's MU Mathematics and Statistics =
Colloquium takes place as usual on
Wednesday 29th March at 3pm in MS2, Logic House, Maynooth University=
. See below for details. All are welcome.
    


    

    

    Best wishes,
    

    Isaac
    


    

    

    _____________________________________________=
______________________________
    


    

    

    Speaker: Professor Katrin Wendland, Tr=
inity College Dublin
    


    

    

    Title: Invariant versus generic
    


    

    

    Abstract: The Euler characteristic is =
a classical invariant for topological manifolds. On complex manifolds, one =
can obtain from it some information about the Hodge numbers, that is, about=
 the dimensions of spaces of harmonic
 differential forms, which in turn can be interpreted as invariants that 'c=
ount' so-called BPS-states in an associated quantum field theory. By genera=
lizing this, we shall discuss an invariant that 'counts' so-called generic =
quarter BPS-states on K3 surfaces.
    


    

    

    _____________________________________________=
______________________________
    


    

    

    title:: MU Maths-Stats Colloquium
    

    content:: Professor Katrin Wendland
    

    :: Trinity College Dublin
    

    :: presents a talk entitled "Invariant v=
ersus generic"
    

    date-time:: 29th March 2023 at 3pm
    

    location:: Room MS2, Logic House, Maynooth Un=
iversity
    

    endevent::
    

    

    



--_000_AM6PR02MB41344698BDFB5960B7EE54E5FC849AM6PR02MB4134eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Sat Mar 25 13:29:19 2023
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Subject: maths: UCD Algebra and Number Theory seminar
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UCD Algebra and Number Theory Seminar

Speaker: Lukas Kolsch (University of South Florida)

Title: Bivariate semifields

Abstract: Semifields offer one of the classic constructions of =
translation planes. Many semifields (Dickson semifields, semifields =
quadratic over a weak nucleus, ...) use a bivariate construction, i.e., =
they are defined over $\mathbb{F}_{p^{2m}} \cong \mathbb{F}_{p^m} \times =
\mathbb{F}_{p^m}$ via a semifield multiplication

\[(x,y)\ast (u,v)=3D(f(x,y,u,v),g(x,y,u,v)).\]

We will focus on specific examples of these bivariate semifields that =
satisfy additional conditions on $f,g$ that are chosen in a way that the =
resulting semifield has a lot of symmetries. As will become clear in the =
talk, these semifields are in some sense the semifields closest to the =
finite field and Albert's twisted fields. I shall present both new and =
old examples of bivariate semifields, as well as ways to determine the =
complete autotopism groups of some of these semifields. Using these =
results, we are also able to develop a general framework when such =
semifields are isotopic or not.=20

The majority of this talk is based on joint work with Faruk Gologlu. =20

Date: Thursday, March 30, 2023=20
Time: 2:00pm
Location: Online and Seminar Room, SCN, Room 1.25

Zoom link: =
https://ucd-ie.zoom.us/j/69847690686?pwd=3DRExjUUYxbG5lTlRMYmM0UmV2Mmhydz0=
9

Further information: https://maths.ucd.ie/~kazim_b/UCD_ANT_Seminar.html

title:: UCD Algebra and Number Theory Seminar
content:: Lukas Kolsch (University of South Florida) will speak on
:: Bivariate semifields=20
date-time:: Thursday, March 30, 2023 at 2:00pm
location:: Online and Seminar Room, SCN, Room 1.25
endevent::



--Apple-Mail=_A15FD4D7-0890-4F76-84D7-3720F216B511
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	charset=us-ascii


    UCD Algebra =
and Number Theory Seminar

    Speaker:     Lukas Kolsch =
(University of South Florida)

    Title: Bivariate =
semifields

    Abstract: Semifields offer one of the classic constructions =
of translation planes. Many semifields (Dickson semifields, semifields =
quadratic over a weak nucleus, ...) use a bivariate construction, i.e., =
they are defined over $\mathbb{F}_{p^{2m}} \cong \mathbb{F}_{p^m} \times =
\mathbb{F}_{p^m}$ via a semifield multiplication

    \[(x,y)\ast =
(u,v)=3D(f(x,y,u,v),g(x,y,u,v)).\]

    We will focus on specific examples =
of these bivariate semifields that satisfy additional conditions on =
$f,g$ that are chosen in a way that the resulting semifield has a lot of =
symmetries. As will become clear in the talk, these semifields are in =
some sense the semifields closest to the finite field and Albert's =
twisted fields. I shall present both new and old examples of bivariate =
semifields, as well as ways to determine the complete autotopism groups =
of some of these semifields. Using these results, we are also able to =
develop a general framework when such semifields are isotopic or =
not. 

    The majority of this talk is based on joint work with Faruk =
Gologlu.  

    Date: =
Thursday, March 30, 2023 
    Time: 2:00pm
    Location: Online and Seminar Room, SCN, =
Room 1.25


    Further information: https://maths.=
ucd.ie/~kazim_b/UCD_ANT_Seminar.html

    title:: UCD Algebra and Number Theory Seminar
    content:: Lukas Kolsch (University of South =
Florida) will speak on
    :: Bivariate =
semifields 
    date-time:: Thursday, March 30, 2023 at =
2:00pm
    location:: Online and Seminar Room, SCN, Room 1.25
    endevent::


    =

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Date:         Mon, 27 Mar 2023 07:44:36 +0000
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Subject: maths: MU Maths-Stats Colloquium, Monday 27th March [today]
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From:         Seminars Maths NUIG 
Subject: Maths: Seminar Uni Galway, Michael McGettrick An overview of Quantum Game Theory
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An overview of Quantum Game Theory
Michael McGettrick (University of Galway)
Thu Mar 30, 15:00-16:00
Lecture held in ADB1020

Abstract: I will present an overview of quantum games from its initial
formulation (David Meyer, 1999, arXiv:quant-ph/9804010) to current
developments. In much the same way that quantum computing has
revolutionized (parts of) classical computing, quantum game theory is
rapidly revolutionizing (classical) game theory. In this (non-exhaustive)
presentation, I will describe in some detail some specific examples, so
that it is hoped the audience will get an appreciation of what is
fundamentally different about the quantum approach. Specifically, I will
describe the PQ Penny Flip game, the quantum Prisoners Dilemma, and the
celebrated CHSH game. I identify in each case the quantum nature of the
game, the role of quantum operations (Unitary matrices), and the use of
entangled quantum states as a resource. We see in some cases the quantum
version of the classical game has different (Nash) equilibria, while in
other cases the use of shared entanglement can increase the winning
probability (in cooperative games). In the talk, no assumption is made of
familiarity with quantum mechanics / physics, the theory is presented
mathematically. (In any case - essentially quantum mechanics is (arguably)
probability theory using the L2 norm=E2=80=A6.)

--00000000000015022005f7df330e
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    An overview of Quantum Game Theory
    Michael McGettrick (University of Galway)
    Thu Mar 30, 15=
:00-16:00=C2=A0
    Lecture held in ADB1020

    =
Abstract: I will present an overview of quantum games from its initial form=
ulation (David Meyer, 1999, arXiv:quant-ph/9804010) to current developments=
. In much the same way that quantum computing has revolutionized (parts of)=
 classical computing, quantum game theory is rapidly revolutionizing (class=
ical) game theory. In this (non-exhaustive) presentation, I will describe i=
n some detail some specific examples, so that it is hoped the audience will=
 get an appreciation of what is fundamentally different about the quantum a=
pproach. Specifically, I will describe the PQ Penny Flip game, the quantum =
Prisoners Dilemma, and the celebrated CHSH game. I identify in each case th=
e quantum nature of the game, the role of quantum operations (Unitary matri=
ces), and the use of entangled quantum states as a resource. We see in some=
 cases the quantum version of the classical game has different (Nash) equil=
ibria, while in other cases the use of shared entanglement can increase the=
 winning probability (in cooperative games). In the talk, no assumption is =
made of familiarity with quantum mechanics / physics, the theory is present=
ed mathematically. (In any case - essentially quantum mechanics is (arguabl=
y) probability theory using the L2 norm=E2=80=A6.)
    

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From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 27 15:47:53 2023
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Date:         Mon, 27 Mar 2023 15:46:46 +0100
Reply-To:     Marvin Anas Hahn 
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From:         Marvin Anas Hahn 
Subject: TCD Dublin Mathematics Colloquium =?utf-8?Q?=E2=80=93_?=30 March
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Dear all,

It is our pleasure to invite you to this week=E2=80=99s Dublin =
Mathematics Colloquium (https://www.maths.tcd.ie/~dmc/ =
) which takes places on Thursday 30 =
March, 4pm in the HMI Seminar room. Our speaker is Manuel Krannich =
(Karlsruher Institut f=C3=BCr Technologie), who will speak about:

title: Pontryagin classes of Euclidean fibre bundles over spheres=20
abstract: Pontryagin classes were originally considered as invariants of =
real vector bundles, but thanks to work of Novikov, Sullivan, and =
Kirby--Siebenmann it was realised in the 60s that these invariants in =
fact do not depend on the linear structure on the fibres and can be =
defined more generally for Euclidean fibre bundles, that is, fibre =
bundles whose fibres are homeomorphic to Euclidean space. This led to =
the question whether the well-known fact that the k th Pontryagin class =
of a d-dimensional vector bundle vanishes for k > d/2 continues to hold =
in the setting of Euclidean fibre bundles. Surprisingly, Michael Weiss =
proved a few years ago that this often fails, even for bundles over =
spheres. I will explain a strengthening of Weiss=E2=80=99 result =
resulting from recent joint work with A. Kupers: For every k > 0, there =
exists a 6-dimensional Euclidean fibre bundle over a sphere whose k th =
Pontryagin class is nontrivial.=20

If you want to join the colloquium on zoom, you can via the following =
link:

=
https://tcd-ie.zoom.us/j/97138542273?pwd=3DVjd5UTE4WWUvNTlUMTR2R3l3VVd3Zz0=
9
Meeting ID: 971 3854 2273
Passcode: 423174


Best regards,
Florian Naef and Marvin Anas Hahn



title:: Dublin Mathematics Colloquium
content:: Manuel Krannich will speak on
:: Pontryagin classes of Euclidean fibre bundles over spheres=20
:: https://www.maths.tcd.ie/~dmc/ 
date-time:: Thursday, March 30th at 4:00pm
location:: HMI Seminar Room, Hamilton Building, TCD=

--Apple-Mail=_0AE1BA4E-1700-45F6-8EBA-A66A70C22A06
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	charset=utf-8


    

    Dear all,

    It is our pleasure to =
invite you to this week=E2=80=99s Dublin Mathematics Colloquium =
(https://www.maths.tcd.ie/~dmc/) which takes places on Thursday 30 =
March, 4pm in the HMI Seminar =
room. Our speaker =
is Manuel Krannich (Karlsruher Institut f=C3=BCr =
Technologie), who will speak about:

    title: Pontryagin classes of =
Euclidean fibre bundles over spheres 
    abstract: Pontryagin classes were =
originally considered as invariants of real vector bundles, but thanks =
to work of Novikov, Sullivan, and Kirby--Siebenmann it was realised in =
the 60s that these invariants in fact do not depend on the linear =
structure on the fibres and can be defined more generally for Euclidean =
fibre bundles, that is, fibre bundles whose fibres are homeomorphic to =
Euclidean space. This led to the question whether the well-known fact =
that the k th Pontryagin class of a d-dimensional vector bundle vanishes =
for k > d/2 continues to hold in the setting of Euclidean fibre =
bundles. Surprisingly, Michael Weiss proved a few years ago that this =
often fails, even for bundles over spheres. I will explain a =
strengthening of Weiss=E2=80=99 result resulting from recent joint work =
with A. Kupers: For every k > 0, there exists a 6-dimensional =
Euclidean fibre bundle over a sphere whose k th Pontryagin class is =
nontrivial. 

    If you want to join the colloquium on zoom, you can via the =
following link:

    https://tcd-ie.zoom.us/j/97138542273?pwd=3DVjd5UTE4WWUvNTlUMTR2=
R3l3VVd3Zz09
    Meeting ID: 971 3854 =
2273
    Passcode: 423174


    Best regards,
    Florian Naef =
and Marvin Anas Hahn



    title:: Dublin =
Mathematics Colloquium
    content:: =
Manuel Krannich will speak =
on
    :: Pontryagin classes of Euclidean fibre bundles over =
spheres 
    :: https://www.maths.tcd.ie/~dmc/
    date-time:: Thursday, March 30th at 4:00pm
    location:: HMI Seminar Room, Hamilton =
Building, =
TCD
    =

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Date:         Mon, 27 Mar 2023 20:01:14 +0000
Reply-To:     Isaac Burke 
Sender:       UCD Maths Department Distribution List 
From:         Isaac Burke 
Subject: maths: MU Maths-Stats Colloquium, Wednesday 29th March [tomorrow]
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Dear colleagues,

This is a reminder that:

An MU Mathematics and Statistics Colloquium with Professor Katrin Wendland =
of Trinity College Dublin will take place on Wednesday 29th March at 3pm in=
 MS2, Logic House, Maynooth University.

See below for details. All are welcome.

Best wishes,
Isaac

___________________________________________________________________________

Speaker: Professor Katrin Wendland, Trinity College Dublin

Title: Invariant versus generic

Abstract: The Euler characteristic is a classical invariant for topological=
 manifolds. On complex manifolds, one can obtain from it some information a=
bout the Hodge numbers, that is, about the dimensions of spaces of harmonic=
 differential forms, which in turn can be interpreted as invariants that 'c=
ount' so-called BPS-states in an associated quantum field theory. By genera=
lizing this, we shall discuss an invariant that 'counts' so-called generic =
quarter BPS-states on K3 surfaces.

___________________________________________________________________________


--_000_AM6PR02MB413412CFC743880BE5CD911FFC8B9AM6PR02MB4134eurp_
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Dear colleagues,
    

    

    

    

    
This is a reminder that:
    


    

    

    An MU Mathematics and Statistics Coll=
oquium with

Professor Katrin Wendland of Trinity College Dublin will take p=
lace on 
Wednesday 29th March at 3pm in MS2, Logic House, Maynooth University.&n=
bsp;
    


    

    

    See below for details. All are welcome.
    


    

    

    Best wishes,
    

    Isaac
    


    

    

    _____________________________________________=
______________________________
    


    

    

    Speaker: Professor Katrin Wendland, Tr=
inity College Dublin
    


    

    

    Title: Invariant versus generic
    


    

    

    Abstract: The Euler characteristic is =
a classical invariant for topological manifolds. On complex manifolds, one =
can obtain from it some information about the Hodge numbers, that is, about=
 the dimensions of spaces of harmonic
 differential forms, which in turn can be interpreted as invariants that 'c=
ount' so-called BPS-states in an associated quantum field theory. By genera=
lizing this, we shall discuss an invariant that 'counts' so-called generic =
quarter BPS-states on K3 surfaces.
    


    

    

    _____________________________________________=
______________________________
    


    

    

    



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Date:         Wed, 29 Mar 2023 09:44:59 +0000
Reply-To:     "Romina.Gaburro" 
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From:         "Romina.Gaburro" 
Subject: Maths: MACSI seminar, Friday, March 31st at 12.00
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Date:         Thu, 30 Mar 2023 14:40:55 +0100
Reply-To:     Christopher Boyd 
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From:         Christopher Boyd 
Subject: maths: Analysis Seminar in UCD on Tuesday 4th of April
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 UCD School of Mathematics and Statistics - Analysis Seminar Notice


	Speaker: R. Levene

	Title: Spectral arbitrariness for trees fails spectacularly


	Date: Tue 4th April 2023

	Time: 3:00PM

	Location: Seminar Room SCN 1.25

Abstract: Given a graph G, consider the spectra of the real symmetric
matrices which realize G, in the sense that the pattern of their
non-zero off-diagonal entries corresponds to the edges of G. We identify
a family of graphs and multiplicity lists whose realizable spectra are
highly restricted. In particular, we find trees with multiplicity lists
that require a unique spectrum, up to shifting and scaling, representing
the most extreme possible failure of spectral arbitrariness.

This is joint work with Shaun Fallat, Tracy Hall, Seth Meyer, Shahla Nasser=
asr,
Polona Oblak and Helena =C3=85 migoc.
https://ucd-ie.zoom.us/j/65537948988

Further information:  https://ucd-ie.zoom.us/j/65537948988 https://ucd-ie.z=
oom

-------------------------------------------------------------
For other seminars in the Analysis series, see
http://maths.ucd.ie/seminarseries/Analysis

-------------------------------------------------------------
The following formats the above notice so as to be included in the
mathdep google calendar

title:: Spectral arbitrariness for trees fails spectacularly
content:: R. Levene
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis)
location:: Seminar Room SCN 1.25
date-time:: Tue 4th April 2023 at 3:00PM

--000000000000957fbe05f81e3e05
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     UCD School of Mathematics and Statistics - Analysis =
Seminar Notice

=20
	Speaker: R. Levene
=20
	Title: Spectral arbitrariness for trees fails spectacularly

=20
	Date: Tue 4th April 2023
=20
	Time: 3:00PM
=20
	Location: Seminar Room SCN 1.25

Abstract: Given a graph G, consider the spectra of the real symmetric
matrices which realize G, in the sense that the pattern of their 
    non-ze=
ro off-diagonal entries corresponds to the edges of G. We identify 
    a fa=
mily of graphs and multiplicity lists whose realizable spectra are 
    high=
ly restricted. In particular, we find trees with multiplicity lists 
    tha=
t require a unique spectrum, up to shifting and scaling, representing 
    t=
he most extreme possible failure of spectral arbitrariness.

This is joint work with Shaun Fallat, Tracy Hall, Seth Meyer, Shahla Nasser=
asr, 
    Polona Oblak and Helena =C3=85=C2=A0migoc.

https://ucd-ie.zoom.us/j/6=
5537948988=20

Further information:  http=
s://ucd-ie.zoom.us/j/65537948988 https:=
//ucd-ie.zoom=20

-------------------------------------------------------------
For other seminars in the Analysis series, see http://maths.ucd.ie/seminarseries/Analysis

-------------------------------------------------------------
The following formats the above notice so as to be included in the mathdep =
google calendar

title:: Spectral arbitrariness for trees fails spectacularly
content:: R. Levene=20
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis)=20
location:: Seminar Room SCN 1.25
date-time:: Tue 4th April 2023 at 3:00PM  
    

--000000000000957fbe05f81e3e05--

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Date:         Thu, 30 Mar 2023 14:51:26 +0100
Reply-To:     Martin Friesen 
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From:         Martin Friesen 
Subject: MATHS: Invitation to Mathematical Finance Research Seminar
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Dear colleagues,

I would like to bring your attention to our next talk in our Mathematical
Finance Research Seminar taking place at the DCU.

Date: April 06, 2023
Time: 13:00 - 14:00
Venue: Dublin City University, Glasnevin Campus, X131

Name: Gu Wang (Worcester Polytechnic Institute)
Title: Optimal Fee Structure of Variable Annuities

Abstract:
We study the design of fee structures of variable annuities as a
stochastic control problem, in which an insurer is allowed to choose the
fee structure in any form that satisfies the budget constraint, and
seeks an optimal one to maximize its business objective. Under the no
surrender assumption, we show that the optimal fee structure is of
barrier type with a time-dependent free boundary. The insurer's optimal
strategy is to charge fees if and only if the account value of variable
annuities hits the free boundary from below.


title:: Mathematical Finance Research Seminar
content:: Gu Wang
:: Worcester Polytechnic Institute
:: Title: Optimal Fee Structure of Variable Annuities.
:: We study the design of fee structures of variable annuities as a
:: stochastic control problem, in which an insurer is allowed to choose the
:: fee structure in any form that satisfies the budget constraint, and
:: seeks an optimal one to maximize its business objective. Under the no
:: surrender assumption, we show that the optimal fee structure is of
:: barrier type with a time-dependent free boundary. The insurer's optimal
:: strategy is to charge fees if and only if the account value of variable
:: annuities hits the free boundary from below.
date-time:: Wednesday, April 06, 2023 at 13pm
location:: Dublin City University, Glasnevin Campus, X131
endevent::



*Dr. Martin Friesen*
Ollamh C=C3=BAnta | X138B | Scoil na nEola=C3=ADochta=C3=AD Matamaitice | O=
llscoil
Chathair Bhaile =C3=81tha Cliath
Assistant Professor | X138B | School of Mathematical Sciences | Dublin City
University

martin.friesen dcu.ie 
https://www.dcu.ie/researchsupport/research-profile?person_id=3D15556
https://sites.google.com/view/martinfriesen/home

Scoil na nEola=C3=ADochta=C3=AD Matamaitice | | Foirgneamh Lonsdale | Campa=
s Ghlas
Na=C3=ADon, DCU | B=C3=81C 9
School of Mathematical Sciences |  | Lonsdale Building | DCU Glasnevin
Campus | Dublin 9

--=20
*

*S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer*

*T=C3=A1 an r=C3=ADomhphost seo agus aon=20
chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=A1id ag an se=
ola=C3=AD agus sin=20
amh=C3=A1in =C3=A9. Is f=C3=A9idir tuilleadh a l=C3=A9amh anseo.=C2=A0=20
*

*This e-mail and any=20
files transmitted with it are confidential and are intended solely for use=
=20
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*

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--0000000000002d191905f81e64f5
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    Dear colleagues,

    I=
 would like to bring=20
your attention to our next talk in our Mathematical Finance Research=20
Seminar taking place at the DCU. 

    Date: April =
06,  2023
    Time: 13:00 - 14:00
    Venue: Dublin Cit=
y University, Glasnevin Campus, X131

    Name: Gu =
Wang (Worcester Polytechnic Institute)
    Title: Optimal Fee Structu=
re of Variable Annuities
    


    Abstract:
    
We study the design of fee structures of variable annuities as a 
    
stochastic control problem, in which an insurer is allowed to choose the 
fee structure in any form that satisfies the budget constraint, and 
    
seeks an optimal one to maximize its business objective. Under the no 
    
surrender assumption, we show that the optimal fee structure is of 
    
barrier type with a time-dependent free boundary. The insurer's optimal=
 
    
strategy is to charge fees if and only if the account value of variable 
annuities hits the free boundary from below.


    title:: Mathematical Finance Research Seminar
content:: Gu Wang
    
:: Worcester Polytechnic Institute
    
:: Title: Optimal Fee Structure of Variable Annuities. 
    :: We=
 study the design of fee structures of variable annuities as a 
    :: stoch=
astic control problem, in which an insurer is allowed to choose the 
    :: =
fee structure in any form that satisfies the budget constraint, and 
    :: =
seeks an optimal one to maximize its business objective. Under the no 
    :=
: surrender assumption, we show that the optimal fee structure is of 
    ::=
 barrier type with a time-dependent free boundary. The insurer's optima=
l 
    :: strategy is to charge fees if and only if the account value of var=
iable 
    :: annuities hits the free boundary from below.
    date-ti=
me:: Wednesday, April 06, 2023 at 13pm
    
location:: Dublin City University, Glasnevin Campus, X131
    
endevent::


    Dr. Martin Friesen
    Ollamh C=
=C3=BAnta | X138B | Scoil na nEola=C3=AD=
ochta=C3=AD Matamaitice | Ollscoil Chathair Bhaile =C3=81tha Cliath<=
/font>
    Assistant Professor | X138B | Scho=
ol of Mathematical Sciences | Dublin City University=C2=A0

    <=
a href=3D"https://sites.google.com/view/martinfriesen/home" target=3D"_blan=
k">https://sites.google.com/view/martinfriesen/home
    =


    Scoil n=
a nEola=C3=ADochta=C3=AD Matamaitice |  | Foirgneamh Lonsda=
le | Campas Ghlas Na=C3=ADon, DCU | B=C3=81C 9
    School of Mathematical Sciences |=C2=A0 | Lo=
nsdale Building | DCU Glasnevin Campus | Dublin 9

    


    

    S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=

    T=C3=A1 an r=C3=ADomhphost seo agus a=
on chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=A1id ag an=
 seola=C3=AD agus sin amh=C3=A1in =C3=A9. Is f=C3=A9idir tuilleadh a l=
=C3=A9amh anseo.=C2=A0
    This e-mail and any files transmitted with it are confidential and a=
re intended solely for use by the addressee. Read more here.<=
/span>


    =

    

    

    <=
a href=3D"https://www.youtube.com/user/DublinCityUniversity" target=3D"_bla=
nk">=C2=A0
    
--0000000000002d191905f81e64f5--

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Reply-To:     Robert Osburn 
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Subject: maths: UCD Algebra and Number Theory seminar
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UCD Algebra and Number Theory Seminar

Speaker: Andrew Fulcher (UCD)

Title: The Tutte polynomial of a q-matroid

Abstract: A matroid is a combinatorial object that generalises the =
notion of independence in a graph or vector space and is defined on a =
subset (Boolean) lattice. A q-matroid is a generalisation of a matroid, =
which is defined on a subspace (modular) lattice. The Tutte polynomial =
is a fundamental graph invariant that was generalised by Crapo in 1969 =
to be a matroid invariant.

In this talk, we provide a construction of the Tutte polynomial for both =
matroids and q-matroids based on an appropriate partition of the =
underlying support lattice into intervals that correspond to prime-free =
minors, which we call a Tutte partition. We show that such partitions in =
the matroid case include the class of partitions arising in Crapo's =
definition of the Tutte polynomial, while not representing a direct =
q-analogue of such partitions.  In the second part of this talk, we =
introduce axioms of q-Tutte-Grothendieck invariance and show that this =
yields a q-analogue of Tutte-Grothendieck invariance. We establish the =
connection between the rank polynomial and the Tutte polynomial, showing =
that one can be obtained from the other by convolution.

The new results in this talk are joint work with E. Byrne.
Date: Thursday, April 6, 2023=20
Time: 2:00pm
Location: Seminar Room, SCN, Room 1.25

Further information: https://maths.ucd.ie/~kazim_b/UCD_ANT_Seminar.html

title:: UCD Algebra and Number Theory Seminar
content:: Andrew Fulcher (UCD) will speak on
:: The Tutte polynomial of a q-matroid
date-time:: Thursday, April 6, 2023 at 2:00pm
location:: Seminar Room, SCN, Room 1.25
endevent::=

--Apple-Mail=_879A3C02-FEE6-428E-8B9D-77EA290D05EF
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Content-Type: text/html;
	charset=us-ascii


    UCD Algebra =
and Number Theory Seminar

    Speaker: =
Andrew Fulcher (UCD)

    Title: The Tutte polynomial of a q-matroid

    Abstract: A =
matroid is a combinatorial object that generalises the notion of =
independence in a graph or vector space and is defined on a subset =
(Boolean) lattice. A q-matroid is a generalisation of a matroid, which =
is defined on a subspace (modular) lattice. The Tutte polynomial is a =
fundamental graph invariant that was generalised by Crapo in 1969 to be =
a matroid invariant.

    In this talk, we provide a construction of the Tutte polynomial =
for both matroids and q-matroids based on an appropriate partition of =
the underlying support lattice into intervals that correspond to =
prime-free minors, which we call a Tutte partition. We show that such =
partitions in the matroid case include the class of partitions arising =
in Crapo's definition of the Tutte polynomial, while not representing a =
direct q-analogue of such partitions.  In the second part of this =
talk, we introduce axioms of q-Tutte-Grothendieck invariance and show =
that this yields a q-analogue of Tutte-Grothendieck invariance. We =
establish the connection between the rank polynomial and the Tutte =
polynomial, showing that one can be obtained from the other by =
convolution.

    The =
new results in this talk are joint work with E. Byrne.
    Date: Thursday, April 6, 2023 
    Time: =
2:00pm
    Location: Seminar Room, SCN, Room =
1.25


    title:: UCD =
Algebra and Number Theory Seminar
    content:: Andrew Fulcher =
(UCD) will speak on
    :: The Tutte =
polynomial of a q-matroid
    date-time:: Thursday, April 6, 2023 =
at 2:00pm
    location:: Seminar Room, SCN, Room 1.25
    endevent::
    =

--Apple-Mail=_879A3C02-FEE6-428E-8B9D-77EA290D05EF--

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Date:         Fri, 31 Mar 2023 16:39:03 +0000
Reply-To:     "Romina.Gaburro" 
Sender:       UCD Maths Department Distribution List 
From:         "Romina.Gaburro" 
Subject: Maths: 36th Annual Meeting of the Irish Mathematical Society
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Dear colleagues,



This is a first announcement that the 36th Annual Meeting of the Irish Math=
ematical Society will take place on Thursday 31st August and Friday 1st Sep=
tember 2023 at the University of Limerick. The meeting is organised jointly=
 by members of the Department of Mathematics and Statistics at University o=
f Limerick and the Department of Mathematics and Computer Studies at Mary I=
mmaculate College. Further details, including a conference webpage, will be=
 circulated at a later date.



Best wishes,

Romina

(on behalf of the organising committee)




--_000_DB9PR03MB7628BF3FD82D936EFFC84EEE878F9DB9PR03MB7628eurp_
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    Dear=
 colleagues,
    

     
    

    This is a first announcement that the 36th Annual Meeting of the Irish Mathematic=
al Society will take place on Thursday 31st August
 and Friday 1st September 2023 at the University of Limerick. The meet=
ing is organised jointly by members of the Department of Mathematics and St=
atistics at University of Limerick and the Department of Mathematics and Co=
mputer Studies at Mary Immaculate College. Further
 details, including a conference webpage, will be circulated at a later dat=
e. 
    

     
    

    Best wishes,
    

    Romina
    

    (on =
behalf of the organising committee)
    

     =

    

     
    

    



--_000_DB9PR03MB7628BF3FD82D936EFFC84EEE878F9DB9PR03MB7628eurp_--

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Reply-To:     Kazim Buyukboduk 
Sender:       UCD Maths Department Distribution List 
From:         Kazim Buyukboduk 
Subject: maths: Algebra and Number Theory seminar, Thu 7th Mar 2024
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UCD School of Mathematics and Statistics - Seminar Notice


	*Speaker:* Alessandro Neri (Ghent)

	*Title:* Matrix spaces supported on Ferrers diagrams


	*Date:* Thu 7th Mar 2024

	*Time:* 2:00PM

	*Location:* Science East, Room 0.32 ("next to =CF=80")
*Abstract:* In 2009 Etzion and Silberstein proposed a conjecture on
the largest dimension of a linear space of matrices over a finite
field whose nonzero elements are supported on a given Ferrers diagram
and all have rank lower bounded by a fixed positive integer. Since
stated, their conjecture has been verified in a number of cases, but
as of today, it still remains widely open. In this talk I will provide
an overview on the state of the art on the topic, starting from the
first findings, until the very recent results obtained in a joint work
with Mima Stanojkovski.


*Further information:* https://maths.ucd.ie/~kazim_b/UCD_ANT_Seminar.html

-------------------------------------------------------------
For other seminars in the Algebra and Number Theory series, see
http://maths.ucd.ie/seminarseries/Algebra

-------------------------------------------------------------
The following formats the above notice so as to be included in the
mathdep google calendar

title:: Matrix spaces supported on Ferrers diagrams
content:: Alessandro Neri (Ghent)
:: UCD Algebra and Number Theory seminar
(http://maths.ucd.ie/seminarseries/Algebra)
location:: Science East, Room 0.32 ("next to =CF=80")
date-time:: Thu 7th Mar 2024 at 2:00PM

--00000000000008fbe9061294ccc4
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


    UCD School of Mathemati=
cs and Statistics - Seminar Notice

=20
	Speaker: Alessandro Neri (Ghent)
=20
	Title: Matrix spaces supported on Ferrers diagrams

=20
	Date: Thu 7th Mar 2024
=20
	Time: 2:00PM=20
=20
	Location: Science East, Room 0.32 ("next to =CF=80")

Abstract: In 2009 Etzion and Silberstein proposed a conjecture on th=
e largest dimension of a linear space of matrices over a finite field whose=
 nonzero elements are supported on a given Ferrers diagram and all have ran=
k lower bounded by a fixed positive integer. Since stated, their conjecture=
 has been verified in a number of cases, but as of today, it still remains =
widely open. In this talk I will provide an overview on the state of the ar=
t on the topic, starting from the first findings, until the very recent res=
ults obtained in a joint work with Mima Stanojkovski.

    Further =
information: https://maths.ucd.ie/~kazim_b/UCD_ANT_Seminar.html=20

-------------------------------------------------------------
For other seminars in the Algebra and Number Theory series, see http://maths.u=
cd.ie/seminarseries/Algebra

-------------------------------------------------------------
The following formats the above notice so as to be included in the mathdep =
google calendar

title:: Matrix spaces supported on Ferrers diagrams
content:: Alessandro Neri (Ghent)
:: UCD Algebra and Number Theory seminar (http://maths.ucd.ie/seminarseries/Al=
gebra)=20
location:: Science East, Room 0.32 ("next to =CF=80")
date-time:: Thu 7th Mar 2024 at 2:00PM
    

--00000000000008fbe9061294ccc4--

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Maynooth University is inviting applications for the MSc in
Theoretical Physics and Mathematics, run jointly by the Department of
Theoretical Physics and the Department of Mathematics and Statistics.
The MSc includes 60 credits of taught modules in theoretical physics
and pure mathematics and a 30 credit research project.  Research
projects are offered in a wide range of topics including condensed
matter theory, cosmology and gravitation, particle physics, quantum
information, algebra, geometry, number theory and topology.

Applicants should have at least a 2.1 in a BSc in physics with a
substantial mathematics component or in mathematics with a substantial
physics component.  For more information visit
https://maynoothuniversity.ie/theoretical-physics/our-courses/msc-theoretical-physics-and-mathematics
or contact the course coordinators
Jon-Ivar Skullerud  (Theoretical Physics)
Stefan Bechtluft-Sachs  (Mathematics)

You may also watch the video about the programme at
https://www.youtube.com/watch?v=-PTVycsngNU


-- 
|  Jon-Ivar Skullerud                                                      |
|  Dept of Theoretical Physics   |   Tel +353 1 708 3678                   |
|  Maynooth University           |   Fax +353 1 708 3967                   |
|  Maynooth, Co Kildare, Ireland |   http://www.jonivar.skullerud.name/    |
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Subject: maths: MU Maths-Stats Colloquium, Wednesday 6th March: Ryan Quinn
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Dear colleagues,

Next week's speaker is Mr Ryan Quinn (Universiteit Utrecht), speaking on "L=
ocalisation theorems in equivariant cohomology". The colloquium takes place=
 as usual on Wednesday 6 March 2024 at 3pm in MS2, Logic House, Maynooth Un=
iversity. See below for full details.

All are welcome!

Cheers,
Ian

___________________________________________________________________________

Speaker: Mr Ryan Quinn, Universiteit Utrecht

Title: Localisation theorems in equivariant cohomology

Abstract: Equivariant homotopy theory studies the interplay between spaces =
and their symmetries. The subject arose from techniques developed to solve =
deep geometrical problems, and has seen many applications in physics. One o=
f the early successes in this area is Atiyah-Bott=92s localisation theorem.=
 Roughly speaking, this says that the equivariant cohomology of a space wit=
h a group action is largely determined by the equivariant cohomology of its=
 fixed points. I will give an introduction to equivariant homotopy theory v=
ia Atiyah-Bott=92s theorem and will show how to generalise their theorem.

___________________________________________________________________________

title:: MU Maths-Stats Colloquium
content:: Mr Ryan Quinn
:: Universiteit Utrecht
:: presents a talk entitled "Localisation theorems in equivariant cohomolog=
y."
date-time:: 6 March 2024 at 3pm
location:: Room MS2, Logic House, Maynooth University
endevent::

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    Dear colleagues,
    

    endevent::
    



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From:         "Romina.Gaburro" 
Subject: Maths: next ICEDIM zoom seminar - Wednesday March 13 at 2pm
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Dear Colleagues,

The next ICEDIM Zoom seminar will be given by Dr. Arundhathi Krishnan (Mary=
 Immaculate College) on Wednesday March 13, at 2pm.

Date:  Wednesday, March 13, 2024, at 14.00.

Speaker: Dr. Arundhathi Krishnan (Mary Immaculate College).


Title: A Central Limit Theorem in the Framework of the Thompson Group F.

Abstract: The classical central limit theorem states that the average of an=
 infinite sequence of independent and identically distributed random variab=
les, when suitably rescaled, tends to a normal distribution. In fact, this =
classical result can be stated purely algebraically, using the combinatoric=
s of pair partitions.  In the 1980s, Voiculescu proved an analog of the cen=
tral limit theorem in free probability theory,  wherein the normal distribu=
tion is replaced by Wigner's semicircle distribution. Later, Speicher provi=
ded an algebraic proof of the free central limit theorem, based on the comb=
inatorics of non-crossing pair partitions. Since then, various algebraic ce=
ntral limit theorems have been studied in noncommutative probability, for i=
nstance, in the context of symmetric groups. My talk will discuss a central=
 limit theorem for the Thompson group F, and show that the central limit la=
w of a naturally defined sequence in the group algebra of F is the normal d=
istribution. Our combinatorial approach employs abstract reduction systems =
to arrive at this result.

---------------------------------------------------------------------------=
------------------------------------------------------------------
Join Zoom Meeting
https://universityofgalway-ie.zoom.us/j/97443837621?pwd=3DbTUreThmWlRNWCtZa=
GxZWVVuQU5MZz09

Meeting ID: 974 4383 7621
Passcode: 443044
Please note that the seminar will be recorded. Please note that the seminar=
 meeting will remain active until 3.45pm. Once the talk is over and there a=
re no more questions, you are very welcome to stay around a bit and chat wi=
th your colleagues.

---------------------------------------------------------------------------=
------------------------------------------------------------------

For more information on the Irish Committee for Equality, Diversity, and In=
clusion in Mathematics (ICEDIM) please visit https://irishmathsoc.org/icedi=
m/.

More information on our seminar series, including a list of the first 3 spe=
akers are given on the IMS website at https://www.irishmathsoc.org/icedim/.=
 This talk will be streamed online via zoom and recorded for a free view on=
 the IMS website at https://www.irishmathsoc.org/icedim/. Talks will be giv=
en monthly on the second Wednesday of the month, although the series' timet=
able may vary from time to time.

Best wishes,

Romina Gaburro and Nina Snigireva (on behalf of ICEDIM)


-----------------------------------------------------------

Dr. Romina Gaburro, Course Director MSc in Mathematical Modelling
Senior Lecturer in Applied Mathematics
Department of Mathematics & Statistics
University of Limerick
Tel: +353 (0)61 213193
Fax: +353 (0)61 334927
Email: romina.gaburro ul.ie













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    Dear
Colleague=
s,
    

    

    The next <=
span style=3D"color:black">
ICEDIM Zoom
seminar will be given by Dr. Arundhathi Krishnan (Mary=
 Immaculate College)
on Wednesday=
 March 13, at 2pm.

    

    Date:  Wednesday,
March 13, 2024, at 14.00.
    

    Speaker:=
 Dr.=
 Arundhathi
 Krishnan (Mary Immaculate College).
    

     
    

    Title: A Central Limit Theorem in the Fra=
mework of the Thompson Group F.
    

     
    

    Abstract:
The classical central limit theorem states that the average of =
an infinite sequence of independent and identically distributed random=
 variables, when suitably rescaled, tends to a normal
 distribution. In fact, this classical result can be stated purely algebrai=
cally, using the combinatorics of pair par=
titions.  In the 1980s, Voiculescu proved an analog of the central lim=
it theorem in free probability theory,  wherein
 the normal distribution is replaced by Wigner's semicircle distribution.&n=
bsp;Later, Speicher provided an algebraic proof of the free central li=
mit theorem, based on the combinatorics of non-crossing pair partitions. Si=
nce then, various algebraic central limit
 theorems have been studied in noncommutative probability, for instanc=
e, in the context of symmetric groups. My talk will discuss a central limit=
 theorem for the Thompson group F, and show that the central limit law of a=
 naturally defined sequence in the group
 algebra of F is the normal distribution. Our combinatorial approach employ=
s abstract reduction systems to arrive at this result. <=
span style=3D"font-family:"Calibri",sans-serif">
    

    ---------------------------------------=
---------------------------------------------------------------------------=
---------------------------
    

    Join Zoom Meeting
    

    https://universityofgalway-ie.zoom.us/j/97443837621?pwd=3DbTUreThmWlRNWCt=
ZaGxZWVVuQU5MZz09
    

     
    

    Meeting ID: 974 4383 7621
    

    Passcode: 443044
    

    Please note that the seminar will be recorded.
Please no=
te that the seminar meeting will remain active until 3.45pm.
Once the talk is over and there are no more questions, you are very wel=
come to stay around a bit and chat with your colleagues.<=
/p>

    ---------------------------------------=
---------------------------------------------------------------------------=
---------------------------
    

    For more information =
on the
Irish Committee for Equality, Diversity, and Inclusion in Mathematics (I=
CEDIM)
please visit https:=
//irishmathsoc.org/icedim/.
    

    More information on o=
ur seminar series, including a list of the first 3 speakers are given on th=
e IMS website at
https://www.irishm=
athsoc.org/icedim/. This talk will
 be streamed online via zoom and recorded for a free view on the IMS=
 website at
https://www.irishm=
athsoc.org/icedim/. Talks will be
 given monthly on the second Wednesday of the month, although the series' t=
imetable may vary from time to time. 
    

    B=
est wishes,
    

    R=
omina Gaburro and Nina Snigireva (on behalf of ICEDIM)
    

    &nbs=
p;
    

    --------------------------------------------------------=
---
    

     
    

    Dr. Romina Gaburro, Course Directo=
r MSc in Mathematical Modelling<=
/span>
    

    Senior Lecturer in Applied Mathema=
tics
    

    Department of Mathematics & St=
atistics
    

    University of Limerick
    

    Tel: +353 (0)61 213193
    

    Fax: +353 (0)61 334927
    

    Email: =
romin=
a.gaburro ul.ie
    

     
    

     
    

     
    

     
    

     
    

     
    

    

    



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Subject: Maths: Seminar Uni Galway, Katrin Wendland - Symmetries of Z_3-orbifold K3s
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Symmetries of Z_3-orbifold K3s
Katrin Wendland (Trinity College Dublin)
Thu March 07th, 15:00-16:00
Lecture held in ADB1020

Abstract:

K3 surfaces are special complex surfaces. Examples that are particularly
well understood are the so-called Kummer surfaces, which may be obtained by
orbifolding complex two-tori by the group Z_2. There exists an extensive
body of literature on such Kummer surfaces. In joint work with K. Budzik,
A. Taormina, M. Ungureanu and I. Zadeh, we are generalizing these results
from Kummer surfaces to K3 surfaces that are obtained as orbifolds of
complex two-tori by the group Z_3, with a particular interest in describing
their symmetries conveniently. The talk will give an introduction to the
relevant techniques and results on such Z_3-orbifold K3s.

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    Symmetries of Z_3-orbifold K3s
    Katrin Wendland (Tr=
inity College Dublin)
    Thu March 07th, 15:00-16:00=C2=A0
    Le=
cture held in ADB1020

    Abstract:=C2=A0
    K3 surfaces are special complex surfaces. Examples tha=
t are particularly well understood are the so-called Kummer surfaces, which=
 may be obtained by orbifolding complex two-tori by the group Z_2. There ex=
ists an extensive body of literature on such Kummer surfaces. In joint work=
 with K. Budzik, A. Taormina, M. Ungureanu and I. Zadeh, we are generalizin=
g these results from Kummer surfaces to K3 surfaces that are obtained as or=
bifolds of complex two-tori by the group Z_3, with a particular interest in=
 describing their symmetries conveniently. The talk will give an introducti=
on to the relevant techniques and results on such Z_3-orbifold K3s.
    =

    

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Date:         Wed, 6 Mar 2024 11:42:31 +0000
Reply-To:     Martin Mathieu 
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From:         Martin Mathieu 
Subject: maths: Colloquium at QUB on Monday 11 March
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The next colloquium in the Mathematical Sciences Research Centre at Queen's=
 University Belfast will feature

Professor Martin Mathieu, MRIA with a talk on

"Which additive mappings are Jordan isomorphisms?"

In joint work with F. Schulz (Johannesburg) we establish Jafarian's 2009 co=
njecture that every additive spectrum preserving mapping from a von
Neumann algebra onto a semisimple Banach algebra is a Jordan isomorphism.

The lecture will be held in the Mathematics & Physics Teaching Centre room =
0G.005 at 4pm.
At 3:30pm tea/coffee will be served in the kitchen on the ground floor of t=
he Old Physics building.

Everyone is welcome.




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    The next colloquium in the Mathematical Sciences Research Centre at Qu=
een’s University Belfast will feature
    

     
    

    Professor Martin Mathieu, MRIA with a talk on
    

     
    

    “Which additive mappings are Jordan isomorphisms?”
    

     
    

    In joint work with F. Schulz (Johannesburg) we establish Jafarian̵=
7;s 2009 conjecture that every additive spectrum preserving mapping from a =
von

    

    Neumann algebra onto a semisimple Banach algebra is a Jordan isomorphi=
sm.
    

     
    

    The lecture will be held in the Mathematics & Physics Teaching Cen=
tre room 0G.005 at 4pm.
    

    At 3:30pm tea/coffee will be served in the kitchen on the ground floor=
 of the Old Physics building.
    

     
    

    Everyone is welcome.
    

     
    

     

     
    

    



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From owner-mathdep LISTSERV.HEANET.IE  Wed Mar  6 14:48:58 2024
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Reply-To:     "Denjoe O'Connor" 
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From:         "Denjoe O'Connor" 
Subject: maths: DIAS Zoominar Thursday Mar 7th 14:30 speaker Susha Parameswaran
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Dear Colleagues,
                 please join us for our upcoming Theoretical Physics Seminar at
14:30 Thursday March 7th by Susha Parameswaran. The seminar is in the 
DIAS lecture theatre and on Zoom via the link:

Date: Thursday March 7th
Time: 14:30
https://us02web.zoom.us/j/6199730148?pwd=SjVGcTJWQmZZNndHenMyRStsL0lKdz09
Meeting ID: 619 973 0148
Password: 122512

                     Susha Parameswaran
                   University of Liverpool
Title: Dark Energy with a Little Help from its Friends (and why it 
might need somebody)

Abstract: I will give a (somewhat biased) overview of the current ideas 
for Dark Energy in String Theory; the insights they hope to give us into 
quantum gravity itself, their connections with experiments and 
observations, and the challenges that need to be overcome. I will then 
focus on some string-inspired scenarios for Dark Energy, in which simple 
coupled Dark Sectors help to overcome the challenges of vanilla 
constructions, with potentially observable consequences.

With best wishes,
Denjoe.
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From:         =?iso-8859-1?Q?Ciar=E1n_Mac_an_Bhaird?= 
Subject: Maths: International Pi Day, March 14th - Online Quiz
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Dear all,

Please circulate the announcement below to any of your students, student ma=
th societies etc., as you deem appropriate.

Regards,

Ciar=E1n

On 14th March, International Pi Day, the British Society for the History of=
 Mathematics are running an online quiz to celebrate mathematics and its hi=
story.

The quiz will be fun and informal, though entrants will be competing for 1-=
years free membership of the BSHM (for non-members) or free entry to a BSHM=
 meeting of your choice (for members).

For more information and to book, follow this link: BSHM PI Day Online Quiz=
 Tickets, Thu 14 Mar 2024 at 20:00 | Eventbrite . Pleas=
e do circulate this amongst your networks.

We look forward to welcoming you on March 14th.

Organiser, Dr Brigitte Stenhouse.


Dr. Ciar=E1n Mac an Bhaird


Associate Professor


Department of Mathematics and Statistics


Maynooth University


https://www.maynoothuniversity.ie/people/ciar-n-mac-bhaird



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Dear all,
    

    

    

    

    
Please circulate the announcement below to any of your students, student ma=
th societies etc., as you deem appropriate.
    

    

    

    

    
Regards,
    

    

    

    

    
Ciar=E1n  
    

    

    

    

    On 14th March, International Pi Day, the British
 Society for the History of Mathematics are running an online quiz to celeb=
rate mathematics and its history. 
    


    

    

    The
 quiz will be fun and informal, though entrants will be competing for 1-yea=
rs free membership of the BSHM (for non-members) or free entry to a BSHM me=
eting of your choice (for members). 
    


    

    

    For
 more information and to book, follow this link: 
BSHM PI Day Online Quiz Tickets, Thu 14 Mar 2024 at 20:00 | Eventbrite&=
nbsp;. Please do circulate this amongst your networks.
    


    

    

    
We look for=
ward to welcoming you on March 14th. 
    

    

    

    

    
Organiser, =
Dr Brigitte Stenhouse.
    

    


    

    

    

    Dr. Ciar=E1n Mac an Bhair=
d
    


    

    

    Associate Professor
    


    

    

    Department of Mathematics=
 and Statistics
    


    

    

    Maynooth University
    


    

    

    https://www.maynoothuniversity.ie=
/people/ciar-n-mac-bhaird
    

    


    

    


    

    

    

    



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Date:         Thu, 7 Mar 2024 09:54:05 +0000
Reply-To:     Ian Banfield 
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From:         Ian Banfield 
Subject: maths: MU Maths-Stats Colloquium, Monday 11th March: Stefan M=?iso-8859-1?Q?=FCller?=
Comments: cc: =?iso-8859-1?Q?Stefan_M=FCller?= 
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Dear colleagues,

Next week's speaker is Dr Stefan M=FCller (University College Dublin), spea=
king on "Fine-Tuned Language Models in Political Science: Understanding Par=
ty and Candidate Communication". The colloquium takes on Monday 11 March 20=
24 at 3pm in MS2, Logic House, Maynooth University. See below for full deta=
ils.

All are welcome!

Cheers,
Ian

___________________________________________________________________________

Speaker: Dr Stefan M=FCller, University College Dublin

Title: Fine-Tuned Language Models in Political Science: Understanding Party=
 and Candidate Communication

Abstract: Two recent studies leverage transformer-based classification to u=
ncover insights into political communication and its implications for party=
 competition and legislative leadership. The first study examines the use o=
f nostalgic rhetoric in European party politics, analysing 1,648 party mani=
festos across 24 democracies using a range of text analysis approaches, fro=
m dictionaries to fine-tuned transformer models. After comparing and valida=
ting the classification approaches, the empirical analysis reveals that nos=
talgia is predominantly featured in manifestos of culturally conservative p=
arties and varies by region and issue. The second paper explores the connec=
tion between campaign communications and legislative leadership in Japan, u=
sing a transformer-based machine learning model to analyse over 46,900 stat=
ements from candidate manifestos. It finds that candidates who emphasise ce=
rtain policy issues during campaigns are more likely to secure legislative =
posts in those areas, highlighting the predictive power of campaign rhetori=
c on legislative activities. Both papers showcase the application of transf=
ormer-based classification to understand the impact of political communicat=
ion on legislative leadership and the strategic use of nostalgia in party c=
ompetition. The presentation closes with a brief discussion of advantages a=
nd limitations of using transformer-based machine learning in the social sc=
iences.

___________________________________________________________________________

title:: MU Maths-Stats Colloquium
content:: Dr Stefan M=FCller
:: University College Dublin
:: presents a talk entitled "Fine-Tuned Language Models in Political Scienc=
e: Understanding Party and Candidate Communication."
date-time:: 11 March 2024 at 3pm
location:: Room MS2, Logic House, Maynooth University
endevent::

--_000_PA6PR02MB10647E1F34829308F9798F38787202PA6PR02MB10647eu_
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    Dear colleagues,
    

    Next week's speaker is Dr
Stefan M=FCller (University College Dublin), speaking on "Fi=
ne-Tuned Language Models in Political Science: Understanding Party and Cand=
idate Communication". The colloquium takes on
Monday 11 March 2024 at 3pm in MS2, Logic House, Maynooth =
University. See below for full details.
    


    

    

    
Date:         Thu, 7 Mar 2024 14:00:00 +0000
Reply-To:     Arran Hodgkinson 
Sender:       UCD Maths Department Distribution List 
From:         Arran Hodgkinson 
Subject: maths:MSRC Colloquium Newsletter - Queen's University Belfast
To:           MATHDEP LISTSERV.HEANET.IE
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--_000_DU0PR02MB898072028B30F7727960D22EF1242DU0PR02MB8980eurp_
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

Dear all,

This is an announcement for the next installment of the Dublin Area Theoret=
ical Physics Colloquium 2023/24. Further information can be found on the we=
bsite https://sites.google.com/tcd.ie/dtpc23-24/home

Date & Time: Wednesday, 13st February 2024 at 4:00pm

Venue: Salmon Lecture Theatre, Hamilton building, Trinity College Dublin

Speaker: Dimitry Noshchenko (DIAS)

Title: Topology, physics, and hidden mathematics of knots and 3-manifolds

Abstract: This talk is a review of the (old and new) interfaces between low=
-dimensional topology, quantum field theory, and homological algebra.

All are welcome!

Best,

Luke Corcoran & Patrick Fritzsch

-----------------------------------------------------------------

title:: Topology, physics, and hidden mathematics of knots and 3-manifolds
content:: Dimitry Noshchenko (DIAS)
:: Dublin Area Theoretical Physics Colloquium (http://sites.google.com/tcd.=
ie/dtpc23-24/home)
location:: Salmon lecture theatre, Hamilton building (ground floor)
date-time:: Wed 13 Mar 2024 at 4:00PM

--_000_DU0PR02MB898072028B30F7727960D22EF1242DU0PR02MB8980eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable








    Dear all,
    

    

    

    

    

    

    

    

    

    
This is an announcement for the next installment of=
 the Dublin Area Theoretical Physics Colloquium 2023/24. Further informatio=
n can be found on the website
ht=
tps://sites.google.com/tcd.ie/dtpc23-24/home 
    

    

    

    

    
Date & Time: Wednesday, 1=
3st February 2024 at 4:00pm
    

    

    

    

    

    
Venue: Salmon Lecture T=
heatre, Hamilton building, Trinity College Dublin
    

    


    

    

    Speaker: Dimitry Noshchenko (DIAS)


    

    

    Title:
Topology, physics, and hidden math=
ematics of knots and 3-manifolds
    


    

    

    Abstract:
This talk is a review of the (old and new) interfaces between low-dimen=
sional topology, quantum field theory, and homological algebra.


    

    

    All are welcome!
    

    

    

    

    

    

    Best,
    

    Luke Corcoran & Patrick Fritzsch
    

    

    --------------------------------------------------------------=
---
    

    

    

    

    

    
title:: Topolo=
gy, physics, and hidden mathematics of knots and 3-manifolds
    

    
content:: Dimi=
try Noshchenko (DIAS)
    

    
:: D=
ublin Area Theoretical Physics Colloquium (http://sites.google.com/tcd.ie/dtpc23-24/home) =

    

    =
location:: Salmon lecture theatre, Hamilton building
 (ground floor)
    

    

    
date-time:: Wed 13 Mar 2024 at 4:00PM
    



--_000_DU0PR02MB898072028B30F7727960D22EF1242DU0PR02MB8980eurp_--

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Reply-To:     Derek Kitson 
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From:         Derek Kitson <00000b77da188184-dmarc-request LISTSERV.HEANET.IE>
Subject: maths: Vacancy for Teaching Fellow in Maths at MIC Thurles
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Dear all,

There is a vacancy for a Teaching Fellow in Mathematics at MIC Thurles, com=
mencing in August 2024. This is a specific purpose appointment to cover sta=
tutory leave. Application form and full job specification can be found at:

https://www.mic.ul.ie/about-mic/vacancies

The application deadline is 2pm on Thursday 28th March.

Informal enquiries welcome. Please feel free to circulate to anyone who may=
 be interested.

Best,
Derek

Derek Kitson, PhD, FHEA, FIMA | Assistant Professor in Mathematics | Mary I=
mmaculate College, St. Patrick=92s Campus, Cathedral Street, Thurles, Co. T=
ipperary, Ireland, E41 C424 | + 353 504 20392 | www.mic.ul.ie |



S=E9anadh R=EDomhphoist / Email Disclaimer https://www.mic.ul.ie/about-mic/=
college-services/ict-services?index=3D5

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    Dear all,
    

    

    

    

    
There is a vacancy for a Teaching Fellow in Mathema=
tics at MIC Thurles, commencing in August 2024. This is a specific purpose =
appointment to cover statutory leave.
 Application form and full job specification can be found at:
    

    

    

    


    
The application deadline is 2pm on Thursday 28=
th March.
    

    

    

    

    
Informal enquiries welcome. Please feel free to cir=
culate to anyone who may be interested.
    

    

    

    

    

    
Best,
    

    
Derek
    

    

    

    

    Derek Kitson, PhD, FHEA, FIMA
 | Assistant Professor in Mathematics | Mary Immaculate College, St. Patric=
k=92s Campus, Cathedral Street, Thurles, Co. Tipperary, Ireland, E41 C424 |=
 + 353 504 20392 |
www.mic.ul.ie |
    

    
 
    
S=E9anadh R=EDomhphoist / Email Disclaimer https://www.mic.ul.ie/about-mic/=
college-services/ict-services?index=3D5



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Subject: Maths: ICEDIM zoom seminar - TOMORROW March 13 at 2pm
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Dear Colleagues,


a gentle reminder that the next ICEDIM Zoom seminar will be given by Dr. Ar=
undhathi Krishnan (Mary Immaculate College) on Wednesday March 13, at 2pm.


Date:  Wednesday, March 13, 2024, at 14.00.

Speaker: Dr. Arundhathi Krishnan (Mary Immaculate College).

Title: A Central Limit Theorem in the Framework of the Thompson Group F.



Abstract: The classical central limit theorem states that the average of an=
 infinite sequence of independent and identically distributed random variab=
les, when suitably rescaled, tends to a normal distribution. In fact, this =
classical result can be stated purely algebraically, using the combinatoric=
s of pair partitions.  In the 1980s, Voiculescu proved an analog of the cen=
tral limit theorem in free probability theory,  wherein the normal distribu=
tion is replaced by Wigner's semicircle distribution. Later, Speicher provi=
ded an algebraic proof of the free central limit theorem, based on the comb=
inatorics of non-crossing pair partitions. Since then, various algebraic ce=
ntral limit theorems have been studied in noncommutative probability, for i=
nstance, in the context of symmetric groups. My talk will discuss a central=
 limit theorem for the Thompson group F, and show that the central limit la=
w of a naturally defined sequence in the group algebra of F is the normal d=
istribution. Our combinatorial approach employs abstract reduction systems =
to arrive at this result.


---------------------------------------------------------------------------=
---------------

Join Zoom Meeting

https://universityofgalway-ie.zoom.us/j/97443837621?pwd=3DbTUreThmWlRNWCtZa=
GxZWVVuQU5MZz09



Meeting ID: 974 4383 7621

Passcode: 443044


Please note that the seminar will be recorded. Please note that the seminar=
 meeting will remain active until 3.45pm. Once the talk is over and there a=
re no more questions, you are very welcome to stay around a bit and chat wi=
th your colleagues.

---------------------------------------------------------------------------=
-----------------


For more information on the Irish Committee for Equality, Diversity, and In=
clusion in Mathematics (ICEDIM) please visit https://irishmathsoc.org/icedi=
m/.

More information on our seminar series, including a list of the first 3 spe=
akers are given on the IMS website at https://www.irishmathsoc.org/icedim/.=
 This talk will be streamed online via zoom and recorded for a free view on=
 the IMS website at https://www.irishmathsoc.org/icedim/. Talks will be giv=
en monthly on the second Wednesday of the month, although the series' timet=
able may vary from time to time.

Best wishes,

Romina Gaburro and Nina Snigireva (on behalf of ICEDIM)



-----------------------------------------------------------



Dr. Romina Gaburro, Course Director MSc in Mathematical Modelling

Senior Lecturer in Applied Mathematics

Department of Mathematics & Statistics

University of Limerick

Tel: +353 (0)61 213193

Fax: +353 (0)61 334927

Email: romina.gaburro ul.ie













--_000_DB9PR03MB7628B52D0F64810DC9EE7433872B2DB9PR03MB7628eurp_
Content-Type: text/html; charset="iso-8859-1"
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Dear
Colleagues,
    

    

    

    

    

    a gentle reminder that the next
ICEDIM Zoom
seminar will be given by
Dr. Arundhathi Krishnan<=
b> (Mary
 Immaculate College) on Wednesda=
y
March 13, at 2pm.
    


    

    

    Date:  Wednesday,
March 13, 2024, at 14.00.
    

    Speaker: Dr. Arundhathi
 Krishnan (Mary Immaculate College).
    

    Title: A Central Limit Theorem in the =
Framework of the Thompson Group F.
    

     <=
/p>

    Abstract:
The classical central limit theorem states that the average of an =
infinite sequence of independent and identically distributed random va=
riables, when suitably rescaled, tends to a normal distribution. In fact, t=
his classical result can be stated purely
 algebraically, using the =
combinatorics of pair partitions.  In the 1980s, Voiculescu proved an =
analog of the central limit theorem in
 free probability theory,  wherein the normal distribution is rep=
laced by Wigner's semicircle distribution. Later, Speicher provided an=
 algebraic proof of the free central limit theorem, based on the combi=
natorics of non-crossing pair partitions. Since then,
 various algebraic central limit theorems have been studied in noncomm=
utative probability, for instance, in the context of symmetric groups. My t=
alk will discuss a central limit theorem for the Thompson group F, and show=
 that the central limit law of a naturally
 defined sequence in the group algebra of F is the normal distribution. Our=
 combinatorial approach employs abstract reduction systems to arrive at thi=
s result. 
    


    

    

    --------------------------------------------=
----------------------------------------------
    

    =
Join Zoom Meeting
    

    https://universityofgalway-ie.zoom.us/j/97443837621?pwd=3DbTUr=
eThmWlRNWCtZaGxZWVVuQU5MZz09
    

     <=
/p>

    =
Meeting ID: 974 4383 7621
    

    Passcode: 443044
    


    

    

    Please note that the seminar will be recorded=
.
Please note that
the seminar meeting will remain active until 3.45pm. Once the talk i=
s over and there are no more questions, you are very welcome to stay around=
 a bit and chat with your colleagues.
    

    --------------------------------------------=
------------------------------------------------
    


    

    

    For more information on the
Irish Committee for Equality, Diversity, and Inclusion in Mathematics (I=
CEDIM)
please visit https://irishmathsoc.org/icedim/.
    

    More information on our semina=
r series, including a list of the first 3 speakers are given on the IMS web=
site at
https://www.irishmathsoc.org/icedim/.
 This talk will be streamed online via zoom and recorded for a free =
view on the IMS website at
https://www.irishmathsoc.org/icedim/.
 Talks will be given monthly on the second Wednesday of the month, although=
 the series' timetable may vary from time to time. 
    

    =
Best wishes,
    

    =
Romina Gaburro and Nina Snigireva (on behalf of ICEDIM)
    

     
    

    =
-----------------------------------------------------------
    

    =
 
    

    =
Dr. Romina Gaburro, Course Director MS=
c in Mathematical Modelling
    

    =
Senior Lecturer in Applied Mathematics
    

    =
Department of Mathematics & Statistics<=
/span>
    

    =
University of Limerick
    

    =
Tel: +353 (0)61 213193
    

    =
Fax: +353 (0)61 334927
    

    =
Email:
romina.gaburro ul.ie
    

    =
 
    

    =
 
    

     
    

     
    

     
    

     
    



--_000_DB9PR03MB7628B52D0F64810DC9EE7433872B2DB9PR03MB7628eurp_--

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Dear all,

It is our pleasure to invite you to this week=E2=80=99s Dublin Mathematic=
s Colloquium (https://www.maths.tcd.ie/~dmc/ (https://www.maths.tcd.ie/~d=
mc/)) which takes places on Thursday 14 March, 4pm in the Synge lecture t=
heatre. Our speaker is Tommaso Cremaschi (Trinity College Dublin) , who w=
ill speak about:

title: Renormalised Volume of Hyperbolic 3-manifolds=20
abstract:=20I will give an overview on convex co-compact hyperbolic 3-man=
ifolds and describe some natural notions of volume focusing on the case o=
f renormalised volume and give some classical bounds. I will then describ=
e some work in progress and open questions.=20

Best=20regards,
Florian Naef and Marvin Anas Hahn
title:: Dublin Mathematics Colloquium
content:: Tommaso Cremaschi will speak on
:: Renormalised Volume of Hyperbolic 3-manifolds =E2=80=8B=E2=80=8B=E2=80=
=8B=E2=80=8B=E2=80=8B=E2=80=8B =E2=80=8B=E2=80=8B
:: https://www.maths.tcd.ie/~dmc/ (https://www.maths.tcd.ie/~dmc/)
date-time:: Thursday, March 14 at 4:00pm
location:: Synge Lecture Theatre, Hamilton Building, TCD

----=_RainLoop_494_915931886.1710327322
Content-Type: text/html; charset="utf-8"
Content-Transfer-Encoding: quoted-printable


    <=
div>
    =

    <=
div>
    Dear all,

    It is our pleasure to invite you =
to this week=E2=80=99s Dublin Mathematics Colloquium (https://www.maths.tcd.ie/~dmc/<=
font color=3D"#000000" face=3D"Calibri, Arial, Helvetica, sans-serif">) w=
hich takes places on Thursday 14 March, 4pm in the =
Synge lecture theatre. Our speaker is     Tommaso Cre=
maschi (Trinity College Dublin) =
, =
who will speak about:

    title:     Renormalised Vo=
lume of Hyperbolic 3-manifolds 
    abstract: I will give an overview on convex co-compact hyperbol=
ic 3-manifolds and describe some natural notions of volume focusing on th=
e case of renormalised volume and give some classical bounds. I will then=
 describe some work in progress and open questions. 

    Best regards,
    Florian Naef and Marvin Anas Hahn

    title:: Dublin Mathematics Colloquium
    c=
ontent::     Tommaso Cremaschi<=
font face=3D"Arial"> will speak on
    ::     Renormalised Volume of Hyperbolic 3-manifolds =E2=80=8B=E2=80=
=8B=E2=80=8B=E2=80=8B=E2=80=8B=E2=80=8B =E2=80=8B=E2=80=8B
    :: https://www.maths.tcd.ie/~dmc/
    date-time:: T=
hursday, March 14 at 4:00pm
    location:: Synge Lecture Theatre, Hamilton=
 Building, TCD
    =

    <=
/div>
    

----=_RainLoop_494_915931886.1710327322--

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 13 11:23:53 2024
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Reply-To:     "Denjoe O'Connor" 
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From:         "Denjoe O'Connor" 
Subject: maths: DIAS Zoominar Thursday Mar 14th 14:30 speaker Achim Kempf
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Dear Colleagues,
                 please join us for our upcoming Theoretical Physics Seminar at
14:30 Thursday March 14th by Achim Kempf. The seminar is on Zoom via the link:

Date: Thursday March 14th
Time: 14:30
https://us02web.zoom.us/j/6199730148?pwd=SjVGcTJWQmZZNndHenMyRStsL0lKdz09
Meeting ID: 619 973 0148
Password: 122512

                             Achim Kempf
                        University of Waterloo
                                and
                        Perimeter Institute

Title: Correlations, representations and the emergence of spacetime

Abstract: There are reasons to expect that spacetime might change 
dimension at sufficiently high energies or at least that, at energies as 
high as the Planck scale, spacetime might emerge from an essentially 
non-geometric structure. The question is, how the phenomena of the 
emergence of spacetime, and possibly also its change(s) of dimension, 
could be described mathematically. I am proposing that the physics of the 
emergence of spacetime, and possible dimension change, could correspond to 
a mathematical structure that possesses different mathematical 
representations in different regimes. In the concrete approach that I will 
present, the number of spacetime dimensions is found to be determined by 
the balance of a generalized bosonic pull and a fermionic push. This 
balance depends on the number of bosonic and fermionic species present at 
a given mass scale, which then accounts for the changing of dimensions 
with energy and also allows for non-geometric regimes. The proposed 
approach is entirely information theoretic. The talk is based on these 
papers: A. Kempf, Frontiers in Physics, 9, 655857 (2021), arxiv:2110.08278 
M. Reitz, B. Soda, A. Kempf, Phys. Rev. Lett. 131, 211501 (2023), 
arxiv:2303.01519


With best wishes,
Denjoe.

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Subject: Maths: Seminar Uni Galway, Rachel Quinlan - Curiosities of Alternating Sign Matrices
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--0000000000004de13906138b1366
Content-Type: text/plain; charset="UTF-8"

Curiosities of Alternating Sign Matrices
Rachel Quinlan (University of Galway)
Thu March 14th, 15:00-16:00
Lecture held in ADB1020

Abstract:

This talk will report on some activity from my period of sabbatical leave
in the second half of 2023. It will start with a little of the lore of
alternating sign matrices (ASMs), and some of the (surprising) reasons for
interest in these combinatorial objects. Then we will discuss some work in
progress (jointly with Cian O'Brien) on ASMs with special algebraic or
matrix-theoretic properties, including idempotence and finite
multiplicative order.

--0000000000004de13906138b1366
Content-Type: text/html; charset="UTF-8"
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    Curiosities of Alternating Sign Matrices
    Ra=
chel Quinlan (University of Galway)
    Thu March 14th, 15:00-16:00=
=C2=A0
    Lecture held in ADB1020

    Abstr=
act:=C2=A0
    This talk will report on some a=
ctivity from my period of sabbatical leave in the second half of 2023. It w=
ill start with a little of the lore of alternating sign matrices (ASMs), an=
d some of the (surprising) reasons for interest in these combinatorial obje=
cts. Then we will discuss some work in progress (jointly with Cian O'Br=
ien) on ASMs with special algebraic or matrix-theoretic properties, includi=
ng idempotence and finite multiplicative order.
    

--0000000000004de13906138b1366--

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Reply-To:     Hermann Render 
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From:         Hermann Render 
Subject: maths: UCD Colloquium Series
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--000000000000dad7eb0613de96f5
Content-Type: text/plain; charset="UTF-8"

noemail::
title:: UCD COLLOQUIUM SERIES
content:: Professor  PETER STEVENHAGEN    (Universiteit Leiden) will speak
on
::    How solvable is the negative Pell equation?
date-time:: Thursday 28th March, 2024  at 14.00
location:: UCD  Science East, Room 0.32
endevent::

-- 
Dr Hermann Render
University College Dublin
School of Mathematics and Statistics
Dublin, Ireland

--000000000000dad7eb0613de96f5
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    noemail::
    title::=C2=A0UCD=C2=A0=
COLLOQUIUM=C2=A0SERIES
    content:: Profess=
or=C2=A0=C2=A0PETER STEVENHAGEN=C2=A0 =C2=A0=C2=A0(Universiteit Leiden) will=
 speak on
    ::=C2=A0=C2=A0=C2=
=A0=C2=A0How solvabl=
e is the negative Pell equation?
    date-time:: Thursday 28th March, 2024=C2=A0 at 14.00=C2=A0
    location::=C2=A0UCD=C2=A0=C2=A0Science East, R=
oom 0.32=C2=A0
    endevent::

    -- 
    Dr Hermann Render
    University College Dublin=
=C2=A0
    School of Mathematics and Statistics
    Dublin, Irela=
nd

    

--000000000000dad7eb0613de96f5--

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                *UCD School of Mathematics and Statistics Colloquium
Series  *



Dear All



The School of Mathematics and Statistics cordially invites you to the
following talk

in our COLLOQUIUM  SERIES



*SPEAKER:   *Professor Peter Stevenhagen (Universiteit Leiden, NL)



*TITLE:   *How solvable is the negative Pell equation?



*TIME *: Thursday 28th March  2024 ,  14.00=E2=80=9414.50



*LOCATION *:   Science East, Room 0.32 (next to Restaurant Pi)





*COFFEE MEETING *:    From 15.00=E2=80=9416.00,  4th  floor atrium of Scien=
ce East,
at the spiral stairs.




Abstract:

Solving the Pell equation x^2-dy^2=3D1 in positive integers x and y is a
challenge
that, starting with the days of Archimedes, has come up repeatedly in
mathematical history. In algebraic number theory, the equation is usually
coupled with its negative counterpart x^2-dy^2=3D-1.
Unlike the original equation, which admits infinitely many solutions for
all non-square integers d>0, the negative Pell equation is solvable for a
much smaller, but still infinite subset of d=E2=80=99s.  The exact size of =
the set
of such (squarefree) d is now known, thanks to the work of Koymans and
Pagano. This settles a conjecture of mine that goes back to 1992, and that
I will explain.

--=20
Dr Hermann Render
University College Dublin
School of Mathematics and Statistics
Dublin, Ireland

--0000000000005257860613dea0a7
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable



    =C2=A0
    


    =C2=A0
    


    =C2=A0 =C2=A0 =C2=A0 =C2=A0
=C2=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0UCD School of Mathematics and
Statistics=C2=A0Colloquium Series=C2=A0 
    


    =C2=A0
    


    Dear All=C2=A0
    


    =C2=A0
    


    The
School of Mathematics and Statistics cordially invites you to the following
talk 
    


     in our=C2=A0COLLOQUIUM=C2=
=A0=C2=A0SERIES=C2=A0 =C2=A0 =C2=A0
=C2=A0 =C2=A0
    


    =C2=A0
    


    SPEAKER:=C2=A0
=C2=A0Professor Peter Stevenhagen (Universiteit
Leiden, NL)
    


    =C2=A0 =C2=A0
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0
    


    TITLE:=C2=A0 =C2=A0How solvable
is the negative Pell equation?
    


    =C2=A0<=
/p>


    TIME=C2=A0: Thursday 28<=
sup>th
March=C2=A0 2024=C2=A0,=C2=A0 14.00=E2=80=9414.50=C2=A0=C2=A0
    


    =C2=A0
    


    LOCATION=C2=A0:=C2=A0=C2=
=A0=C2=A0Science
East, Room 0.32 (next to Restaurant Pi) 
    


    =C2=A0
    


    =C2=A0
    


    COFFEE MEETING=C2=A0:=C2=
=A0=C2=A0=C2=A0=C2=A0From
15.00=E2=80=9416.00,=C2=A0 4th =C2=A0floor=C2=A0atrium=C2=A0of
Science East, at the spiral=C2=A0stairs.
    


    =C2=A0
    



    
    Abstract:=C2=A0

    
=C2=A0
    
Solving the Pell equation x^2-dy^2=3D1 in positive integers x and y is a
challenge
    
that, starting with the days of Archimedes, has come up repeatedly in
mathematical history. In algebraic number theory, the equation is usually
coupled with its negative counterpart x^2-dy^2=3D-1.
    
Unlike the original equation, which admits infinitely many solutions for al=
l
non-square integers d>0, the negative Pell equation is solvable for a mu=
ch
smaller, but still infinite subset of d=E2=80=99s.=C2=A0
The exact size of the set of such (squarefree) d is now known, thanks to
the work of Koymans and Pagano. This settles a conjecture of mine that goes
back to 1992, and that I will explain.

    -- 
    Dr Hermann Render
    University College Dublin=
=C2=A0
    School of Mathematics and Statistics
    Dublin, Irela=
nd

    

--0000000000005257860613dea0a7--

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Subject: maths: Dublin Area Theoretical Physics Colloquium
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Dear all,

This is an announcement for the next installment of the Dublin Area Theoret=
ical Physics Colloquium 2023/24. Further information can be found on the we=
bsite https://sites.google.com/tcd.ie/dtpc23-24/home

Date & Time: Wednesday, 20th February 2024 at 4:00pm

Venue: Salmon Lecture Theatre, Hamilton building, Trinity College Dublin

Speaker: Mark Mezei (Oxford)

Title: Quantum Chaos and Gravity

Abstract:  Chaos underlies the thermal behaviour in quantum systems. Black =
holes are thermal objects. In recent years a connection between chaos in or=
dinary quantum systems and the dynamics of black holes has been established=
. In this talk, I discuss what this connection teaches us about the dynamic=
s of entanglement in many-body quantum systems and about the interior of ol=
d black holes.

All are welcome!

Best,

Luke Corcoran & Patrick Fritzsch

-----------------------------------------------------------------

title:: Quantum Chaos and Gravity
content:: Mark Mezei (Oxford)
:: Dublin Area Theoretical Physics Colloquium (http://sites.google.com/tcd.=
ie/dtpc23-24/home)
location:: Salmon lecture theatre, Hamilton building (ground floor)
date-time:: Wed 20 Mar 2024 at 4:00PM

--_000_DU0PR02MB89802A01DEF120C9C7680B15F12D2DU0PR02MB8980eurp_
Content-Type: text/html; charset="iso-8859-1"
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Dear all,
    

    

    

    

    

    

    

    

    

    
This is=
 an announcement for the next installment of the Dublin Area Theoretical Ph=
ysics Colloquium 2023/24. Further information can be found on the website
https://sites.google.com/tcd.ie=
/dtpc23-24/home 
    

    

    

    

    
Date & Time: Wednesday, 20th February 2024 at 4:00pm
    

    

    

    

    

    
Venue: Salmon Lecture Theatre, Hamilton building, Trinity=
 College Dublin
    

    

    

    

    

    
Speaker: Mark Mezei (Oxford)
    

    

    

    

    
Title: Quantum Chaos and Gravity
    

    

    

    

    
Abstract:
 Chaos underlies the thermal behaviour in quantum systems. Black hol=
es are thermal objects. In recent years a
 connection between chaos in ordinary quantum systems and the dynamics of b=
lack holes has been established. In this talk, I discuss what this connecti=
on teaches us about the dynamics of entanglement in many-body quantum syste=
ms and about the interior of old
 black holes.
    

    

    

    

    
All are welcome!
    

    

    

    

    

    

    Best,
    

    Luke Corcora=
n & Patrick Fritzsch
    

    

    
-----------------------------------------------------------------
    

    

    

    

    

    
title:: Quantum Chaos and Gravity
    

    
content:: Mark Mezei (Oxford)
    

    
:: Dublin Area Theoretical Physics Colloquium (http://sites.google.com/tcd.ie/dtpc23-24/home)=
 
    

    
location:: Salmon lecture theatre,=
 Hamilton building (ground floor)
    

    

    
date-time:: Wed 20 Mar 2024 a=
t 4:00PM
    



--_000_DU0PR02MB89802A01DEF120C9C7680B15F12D2DU0PR02MB8980eurp_--

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Subject: TCD Dublin Mathematics Colloquium =?utf-8?Q?=E2=80=93_?=21 March
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Dear all,

It is our pleasure to invite you to this week=E2=80=99s Dublin Mathematic=
s Colloquium (https://www.maths.tcd.ie/~dmc/ (https://www.maths.tcd.ie/~d=
mc/)) which takes places on Thursday 21 March, 4pm in the Synge lecture t=
heatre. This week, we have two speakers.

Our first speaker is Roberta Filippucci (Universita degli Studi di Perugi=
a) , who will speak about:

title: A priori estimates and Liouville type results for elliptic problem=
s=20
abstract:=20In this talk, we deal with a priori estimates and Liouville t=
ype results for elliptic problems, also when a reaction involving gradien=
t terms is included in the equation. In particular, we survey classical r=
esults for the Emden-Fowler equation, for the m-Laplacian operator and fo=
r systems of equations and inequalities, including connections between Li=
ouville-type theorems and local properties of nonnegative solutions to el=
liptic problems.

Our second speaker is Martin Kol=C3=A1=C5=99 (Masaryk University), who wi=
ll speak about:

title: Equivalence and symmetries of uniformly Levi degenerate hypersurfa=
ces in C^n
abstract: Uniformly Levi degenerate real hypersurfaces in C^n play an imp=
ortant role in CR-geometry and the theory of Hermitian Symmetric Domains.=
 In this talk, I will first give an introduction to Moser's normal form a=
pproach in the study of geometry of real submanifolds in the complex n-di=
mensional space. This approach will then be applied to obtain a complete =
convergent normal form for everywhere 2-nondegenerate hypersurfaces in C^=
3 (joint work with Ilya Kossovskiy). The construction is based on using a=
 rational (nonpolynomial) model for everywhere 2-nondegenerate hypersurfa=
ces, which is the local realization due to Fels-Kaup of the well known tu=
be over the light cone. As an application, we obtain a criterion for the =
local sphericity (i.e. local equivalence to the model) for a 2-nondegener=
ate hypersurface in terms of its normal form. As another application, we =
obtain an explicit description of the moduli space of everywhere 2-nondeg=
enerate hypersurfaces. I will also discuss some new results in higher dim=
ensions.
Best regards,
Florian Naef and Marvin Anas Hahn
title:: Dublin Mathematics Colloquium
content:: Roberta Filippucci will speak on
:: A priori estimates and Liouville type results for elliptic problems =
=E2=80=8B=E2=80=8B=E2=80=8B=E2=80=8B=E2=80=8B=E2=80=8B =E2=80=8B=E2=80=8B
:: https://www.maths.tcd.ie/~dmc/ (https://www.maths.tcd.ie/~dmc/)
date-time:: Thursday, March 21 at 4:00pm
location:: Synge Lecture Theatre, Hamilton Building, TCD

title:: Dublin Mathematics Colloquium
content:: Martin Kol=C3=A1=C5=99 will speak on
:: Equivalence and symmetries of uniformly Levi degenerate hypersurfaces =
in C^n=E2=80=8B=E2=80=8B=E2=80=8B=E2=80=8B=E2=80=8B =E2=80=8B=E2=80=8B
:: https://www.maths.tcd.ie/~dmc/ (https://www.maths.tcd.ie/~dmc/)
date-time:: Thursday, March 21 at 5:00pm
location:: Synge Lecture Theatre, Hamilton Building, TCD

----=_RainLoop_530_855443039.1710762075
Content-Type: text/html; charset="utf-8"
Content-Transfer-Encoding: quoted-printable


    <=
div>
    =

    <=
div>
    Dear all,

    It is our pleasure to invite you t=
o this week=E2=80=99s Dublin Mathematics Colloquium (https://www.maths.tcd.ie/~dmc/) wh=
ich takes places on Thursday 21 March, 4pm in the S=
ynge lecture theatre. This week, we have two speakers.

    Our first=
 speaker is     Roberta Filippucci (Universita=
 degli Studi di Perugia) , who will speak a=
bout:

    title:     A priori estimates and Liouvill=
e type results for elliptic problems 
    abstract: In this talk, we deal with a priori estimates a=
nd Liouville type results for elliptic problems, also when a reaction inv=
olving gradient terms is included in the equation. In particular, we surv=
ey classical results for the Emden-Fowler equation, for the m-Laplacian o=
perator and for systems of equations and inequalities, including connecti=
ons between Liouville-type theorems and local properties of nonnegative s=
olutions to elliptic problems.

    Our second speaker is Marti=
n Kol=C3=A1=C5=99 (Masaryk University), who will speak about:
    title: Equivalence and symmetries of uniformly Levi degenera=
te hypersurfaces in C^n
    abstract: Uniformly Levi degenerate r=
eal hypersurfaces in C^n play an important role in CR-geometry and the th=
eory of Hermitian Symmetric Domains. In this talk, I will first give an i=
ntroduction to Moser's normal form approach in the study of geometry of r=
eal submanifolds in the complex n-dimensional space. This approach will t=
hen be applied to obtain a complete convergent normal form for everywhere=
 2-nondegenerate hypersurfaces in C^3 (joint work with Ilya Kossovskiy). =
The construction is based on using a rational (nonpolynomial) model for e=
verywhere 2-nondegenerate hypersurfaces, which is the local realization d=
ue to Fels-Kaup of the well known tube over the light cone. As an applica=
tion, we obtain a criterion for the local sphericity (i.e. local equivale=
nce to the model) for a 2-nondegenerate hypersurface in terms of its norm=
al form. As another application, we obtain an explicit description of the=
 moduli space of everywhere 2-nondegenerate hypersurfaces. I will also di=
scuss some new results in higher dimensions.



    Best regards,
    Florian Naef and Marvin Anas Hahn

    title:: Dublin Mathematics Colloquium
    c=
ontent::     Roberta Filippucci=
 will speak on
    ::     A priori estimates and Liouville type results for elliptic pro=
blems =E2=80=8B=E2=80=8B=E2=80=8B=E2=80=8B=E2=80=8B=E2=80=8B =E2=80=8B=E2=
=80=8B
    :: https://www.maths.tcd.ie/~dmc=
/
    date-time:: Thursday, March 21 at 4:00pm
    location:: Synge Lec=
ture Theatre, Hamilton Building, TCD

    title:: Dublin Mathematics Co=
lloquium
    content::     Martin Kol=C3=A1=C5=99 will speak on
    ::     Equivalence and symmetries of uniformly Levi =
degenerate hypersurfaces in C^n=E2=80=8B=E2=80=8B=E2=80=8B=E2=80=8B=E2=80=
=8B =E2=80=8B=E2=80=8B
    :: https://www.ma=
ths.tcd.ie/~dmc/
    date-time:: Thursday, March 21 at 5:00pm
    locat=
ion:: Synge Lecture Theatre, Hamilton Building, TCD
    =

    <=
/div>

----=_RainLoop_530_855443039.1710762075--

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----+--1710927551--+--
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UCD School of Mathematics and Statistics - Seminar Notice=0D
=0D
 =0D
	Speaker:  Priyanga Ganesan  (University of California San Diego)=0D
 =0D
	Title: Non-Local Games and Operator Algebras=0D
=0D
 =0D
	Date: Tue 26th March 2024=0D
 =0D
	Time: 3:00PM=0D
 =0D
	Location: Online=0D
=0D
Abstract: In recent years, nonlocal games have received significant attenti=
on in operator algebras and resulted in highly fruitful interactions, inclu=
ding the recent resolution of the Connes Embedding Problem. A nonlocal game=
 involves two non-communicating players who cooperatively play to win again=
st a referee. In this talk, I will provide an introduction to the theory of=
 non-local games and quantum correlation classes. We will discuss the role =
of C*-algebras and operator systems in the study of their perfect strategie=
s. It will be shown that mathematical structures arising from entanglement-=
assisted strategies for nonlocal games can be naturally interpreted and stu=
died using tools from operator algebras. I will then present a general fram=
ework of non local games involving quantum inputs and quantum outputs and u=
se them to discuss an isometry game for quantum metric spaces.=0D
=0D
https://ucd-ie.zoom.us/j/66226516049=0D
=0D
=0D
Further information: https://ucd-ie.zoom.us/j/66226516049 =0D
=0D
-------------------------------------------------------------=0D
For other seminars in the Analysis series, see http://maths.ucd.ie/seminars=
eries/Analysis=0D
=0D
-------------------------------------------------------------=0D
The following formats the above notice so as to be included in the mathdep =
google calendar=0D
=0D
title:: Non-Local Games and Operator Algebras=0D
content::  Priyanga Ganesan  (University of California San Diego) =0D
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis) =0D
location:: Online=0D
date-time:: Tue 26th March 2024 at 3:00PM=20=


----+--1710927551--+--
Content-Type: text/html; charset="utf-8"
Content-Transfer-Encoding: quoted-printable


    UCD School of Mathematics and Statistics - Seminar Notice

    


    
 

    
	Speaker:   Priyanga Ganesan  (University of California San Diego)

    
 

    
	Title: Non-Local Games and Operator Algebras

    


    
 

    
	Date: Tue 26th March 2024

    
 

    
	Time: 3:00PM

    
 

    
	Location: Online

    


    
Abstract: In recent years, nonlocal games have received significant attention in operator algebras and resulted in highly fruitful interactions, including the recent resolution of the Connes Embedding Problem. A nonlocal game involves two non-communicating players who cooperatively play to win against a referee. In this talk, I will provide an introduction to the theory of non-local games and quantum correlation classes. We will discuss the role of C*-algebras and operator systems in the study of their perfect strategies. It will be shown that mathematical structures arising from entanglement-assisted strategies for nonlocal games can be naturally interpreted and studied using tools from operator algebras. I will then present a general framework of non local games involving quantum inputs and quantum outputs and use them to discuss an isometry game for quantum metric spaces.

    


    
https://ucd-ie.zoom.us/j/66226516049

    


    


    
Further Information
    


    
-------------------------------------------------------------

    
For other seminars in the Analysis series, click http://maths.ucd.ie/seminarseries/Analysis

    


    
-------------------------------------------------------------

    
The following formats the above notice so as to be included in the mathdep google calendar

    


    
title:: Non-Local Games and Operator Algebras

    
content::  Priyanga Ganesan  (University of California San Diego) 

    
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis) 

    
location:: Online

    
date-time:: Tue 26th March 2024 at 3:00PM 
    
----+--1710927551--+----

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Subject: maths: DIAS Zoominar Thursday March 21st 14:30 speaker Veronica Sanz
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Dear Colleagues,
                 please join us for our upcoming Theoretical Physics Seminar at
14:30 Thursday March 21st by Veronica Sanz. The seminar is on Zoom via the 
link:

Date: Thursday March 21st
Time: 14:30
https://us02web.zoom.us/j/6199730148?pwd=SjVGcTJWQmZZNndHenMyRStsL0lKdz09
Meeting ID: 619 973 0148
Password: 122512

                        Veronica Sanz
                    University of Valencia

Title: New Physics: Where do we stand?

Abstract: This talk will be a discussion of our long-standing search for 
new phenomena in High-Energy Physics. We will describe the current 
situation, a decade after the Higgs discovery, and talk about the good 
ideas that died, the ones that are still standing, and our hopes for the 
future.

With best wishes,
Denjoe.

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*Speaker*: Alexander Grant (Southampton)

*Title*: Flux-balance laws from the Hamiltonian formulation of self-force

*Abstract*: In the point-particle limit, the motion of a body radiating
gravitational waves can be represented by a series of geodesics whose
"conserved quantities" of motion evolve slowly with time.  The evolution of
these "conserved quantities" can be explicitly calculated using the (local)
self-force on the body, but such an approach is computationally intensive.
It is often sufficient to know only the averaged rate of change of these
quantities, and here the situation simplifies: for example, for energy, a
so-called flux-balance law relates the flux of energy out to infinity (and,
in the presence of a black hole, through the horizon) to the average change
in the energy of the body.  In this talk, I will discuss current progress
in showing that any conserved quantity has a corresponding flux-balance
law, by using a Hamiltonian formulation of the self-force.
*Location*: Tuesday, March 26 at 10am in X131 (Lonsdale Building), DCU


title:: DCU CfAR Seminar
content:: Alexander Grant (Southampton) will speak on
:: Flux-balance laws from the Hamiltonian formulation of self-force
date-time:: Tuesday 26 March, 2024 at 10am
location:: XG14 (Lonsdale Building), DCU
endevent::

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    Speaker:=C2=A0Alexander Grant (Southampton)

    Title: Fl=
ux-balance laws from the Hamiltonian formulation of self-force

    Abstrac=
t:=C2=A0In the point-particle limit, the motion of a body=
 radiating gravitational waves can be represented by a series of geodesics =
whose "conserved quantities" of motion evolve slowly with time.=
=C2=A0 The evolution of these "conserved quantities" can be expli=
citly calculated using the (local) self-force on the body, but such an appr=
oach is computationally intensive.=C2=A0 It is often sufficient to know onl=
y the averaged rate of change of these quantities, and here the situation s=
implifies: for example, for energy, a so-called flux-balance law relates th=
e flux of energy out to infinity (and, in the presence of a black hole, thr=
ough the horizon) to the average change in the energy of the body.=C2=A0 In=
 this talk, I will discuss current progress in showing that any conserved q=
uantity has a corresponding flux-balance law, by using a Hamiltonian formul=
ation of the self-force.
    Location:=C2=A0Tuesday, March 26 at 10am in X131 (Lonsdale Buil=
ding), DCU=C2=A0=C2=A0

    title:: =
DCU CfAR Seminar
    content:: Alexander Grant    =C2=A0(Southampton) wil=
l speak on
    :: Flux-balance laws from the Hamiltonian formulation of self=
-force
    date-time:: Tuesday 26 March, 2024 at 10am
    location:: XG14 (Lo=
nsdale Building), DCU
    endevent::
    


    

    S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=

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    This e-mail and any files transmitted with it are confidential and a=
re intended solely for use by the addressee. Read more here.<=
/span>


    =

    

    

    <=
a href=3D"https://www.youtube.com/user/DublinCityUniversity" target=3D"_bla=
nk">=C2=A0
    
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Date:         Thu, 21 Mar 2024 12:33:42 +0000
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Subject: maths: Colloquium at Queen's University Belfast on Monday 25 March 2024
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Subject: maths: Algebra and Number Theory seminar, Thu 26th Mar 2024
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Content-Type: text/plain; charset="UTF-8"
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UCD School of Mathematics and Statistics - Seminar Notice


	*Speaker:* Sam Mattheus (Brussels)

	*Title:* Good lower bounds for off-diagonal Ramsey numbers from
explicit constructions over finite fields


	*Date:* Tue 26th Mar 2024 **Note the unusual day**

	*Time:* 2:00PM

	*Location:* Science South Room 3.56 **Note the unusual room**

*Abstract:* We will present a recent approach, due to Mubayi and
Verstraete, for lower bounds on off-diagonal Ramsey numbers. This
approach, unlike previous results, has a strong non-probabilistic
component. The main ingredient are certain explicit pseudorandom
graphs which are often constructed from algebraic varieties over
finite fields. This idea culminated in a recent breakthrough of
Verstraete and myself in the determination of the asymptotic growth of
the off-diagonal Ramsey number r(4,t), resolving a long-standing
conjecture by Erd=C5=91s. I will discuss some explicit constructions that
appear in our and related work, and pose some open problems.


*Further information:* https://maths.ucd.ie/~kazim_b/UCD_ANT_Seminar.html

-------------------------------------------------------------
For other seminars in the Algebra and Number Theory series, see
http://maths.ucd.ie/seminarseries/Algebra

-------------------------------------------------------------
The following formats the above notice so as to be included in the
mathdep google calendar

title:: Good lower bounds for off-diagonal Ramsey numbers from
explicit constructions over finite fields
content:: Sam Mattheus (Brussels)
:: UCD Algebra and Number Theory seminar
(http://maths.ucd.ie/seminarseries/Algebra)
location:: Science South Room 3.56
date-time:: Tue 26th Mar 2024 at 2:00PM

--0000000000009c47e206143ac85d
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


    UCD School of Mathemati=
cs and Statistics - Seminar Notice

=20
	Speaker: Sam Mattheus (Brussels)
=20
	Title: Good lower bounds for off-diagonal Ramsey numbers from expli=
cit constructions over finite fields

=20
	Date: Tue 26th Mar 2024 *Note the unusual day*
=20
	Time: 2:00PM=20
=20
	Location: Science South Room 3.56 *Note the unusual room*

Abstract: We will present a recent approach, due to Mubayi and Verst=
raete, for lower bounds on off-diagonal Ramsey numbers. This approach, unli=
ke previous results, has a strong non-probabilistic component. The main ing=
redient are certain explicit pseudorandom graphs which are often constructe=
d from algebraic varieties over finite fields. This idea culminated in a re=
cent breakthrough of Verstraete and myself in the determination of the asym=
ptotic growth of the off-diagonal Ramsey number r(4,t), resolving a long-st=
anding conjecture by Erd=C5=91s. I will discuss some explicit constructions=
 that appear in our and related work, and pose some open problems.


    Speaker: R. Smith
    =
Title: Lipschitz-free spaces and integral representation II
    <=
b>
    Time: 3:00PM
    Date: Tue 7th March 20=
23
    Location: Seminar Room SCN 1.25

    =
Abstract:
    
Given a complete metric space $(M,d)$ with base point $0$, let 
    
$\mathcal{F}(M)$ denote the Lipschitz-free space over $M$, which is a 
    
natural isometric predual of the space $\mathrm{Lip}_0(M)$ of 
    
real-valued Lipschitz functions on $M$ that vanish at $0$. Let 
    
$\widetilde{M}$ denote the set of ordered pairs of $M$ having different 
coordinates, and let $\Phi:\mathrm{Lip}_0(M)\to C(\beta\widetilde M)$ 
    
denote the de Leeuw representation map, given by $\Phi f(x,y) =3D 
    
(f(x)-f(y))/d(x,y)$, $(x,y) \in \widetilde{M}$, and extended 
    
continuously to the Stone-=C4=8Cech compactification $\beta\widetilde M$. <=
br>
Then the dual map $\Phi^*:C(\beta\widetilde M)^* \to 
    
\mathrm{Lip}_0(M)^*$ is a non-expansive surjection.
    

    
In this second talk, we introduce the 'Lipschitz realcompactification&#=
39; 
    
$M^{\mathcal{R}}$ of $M$ and a natural lower semicontinuous extension $\bar=
{d}$ of the metric $d$ to $M^{\mathcal{R}}$. Using 
    
$(M^{\mathcal{R}},\bar{d})$, we analyse those elements $\psi \in 
    
\mathrm{Lip}_0(M)^* \equiv \mathcal{F}(M)^{**}$ that 'avoid infinity=
9; 
    
(these include all elements of $\mathcal{F}(M)$). Our main result is 
    
that if $\psi \in \mathrm{Lip}_0(M)^*$ avoids infinity and the measure 
    
$\lambda \in C(\beta\widetilde M)^*$ is an optimal representation of 
    
$\psi$, in the sense that $\lambda \geq 0$, $\Phi^*\lambda =3D \psi$ and 
$\|\lambda\|=3D\|\psi\|$, then $\lambda$ is concentrated on a set $H 
    
\subseteq \beta\widetilde M$ whose natural image in $M^{\mathcal{R}} 
    
\times M^{\mathcal{R}}$ is $\bar{d}$-cyclically monotonic. Cyclical 
    
monotonicity is a key property in optimal transport theory enjoyed by 
    
optimal transport plans. In addition, we present the best possible 
    
partial converse.
    

    
This is joint work with R. J. Aliaga (Valencia Polytechnic University) 
    
and E. Perneck\'a (Czech Technical University, Prague)



    
title:: Lipschitz-free spaces and integral representation II

    
content:: R. Smith=20

    
:: UCD Analysis seminar (http://maths.ucd.ie/=
seminarseries/Analysis)=20

    
location:: Seminar Room SCN 1.25

    
date-time:: Tue 7th March 2023 at 3:00PM 

    

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Date:         Wed, 1 Mar 2023 17:15:32 +0000
Reply-To:     Leo Creedon 
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Subject: Maths: Irish Language Mathematical terms
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Hi all,

We have received the request below for assistance in translating mathematic=
al terms into Irish.

They are looking for mathematicians whose mother tongue is Irish, but I enc=
ourage anyone with an interest and a good knowledge of Irish to get in touc=
h with them directly.

Regards,

Leo


Leo Creedon

President, Irish Mathematical Society

leo.creedon atu.ie


Dear Irish Mathematical Society,

At the University of Luxembourg, we are preparing free and open-source dida=
ctical material aimed at learning mathematical terms in a different languag=
e.

The general description of the project is this article (published by the Ge=
rman Society of Mathematical didactics GDM):
https://orbilu.uni.lu/bitstream/10993/51050/1/VisualMathematicalDictionary.=
pdf

We also recently received European funds to support this important project.

The material consists of posters and word lists (in the near future, also a=
 searchable database). This learning material and the source files for the =
images are available at the website of the project:
https://math.uni.lu/dictionary/wordlists.html

We are contacting you because we need a mathematician or school teacher who=
se mother tongue is Irish to translate the material in this language.
Could you please be so kind and recommend us to someone, maybe from your me=
mbers?
Or could you please consider forwarding this message to your members?

We thank you so much for your kind collaboration, as we are investing all o=
ur energy in this project, but we clearly cannot provide the translations o=
urselves and rely on your support.


Kind regards,

Antonella Perucca
Olha Nesterenko



Prof. Antonella Perucca and Dr. Olha Nesterenko
---------------------------------------------------------------------------=
---------------------------
Department of Mathematics
University of Luxembourg
---------------------------------------------------------------------------=
---------------------------
Website: https://www.antonellaperucca.net
Email: antonella.perucca uni.lu, nesterenk=
oolha gmail.com
---------------------------------------------------------------------------=
---------------------------
T? an r?omhphost seo faoi r?ir an ts?anta seo leanas at? le f?il ag S?anadh=
 R?omhphost Ollscoil Teicneola?ochta an Atlantaigh
This e-mail is subject to the following disclaimer available at Atlantic TU=
 Email Disclaimer

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Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable









    

    

    

    

    

    

    

    Hi all,
    

    We have received the request below for assistance i=
n translating mathematical terms into Irish.
    

    They are looking for mathematicians whose mother to=
ngue is Irish, but I encourage anyone with an interest and a good knowledge=
 of Irish to get in touch with them directly.
    

    Regards,
    

    Leo
    

     
    

    =
 
    

    Leo Creedon

    

     
    

    President, Irish Mathematical Society
    

     
    

    

    leo.creedon atu.ie=

    

     
    

     
    

    Dear
Irish Mathematical Society,

    

     <=
/o:p>
    

    At the University of Luxembourg, we are preparing free and open-s=
ource didactical material aimed at learning mathematical terms in a differe=
nt language.
    

     <=
/o:p>
    

    The general description of the project is this article (published=
 by the German Society of Mathematical didactics GDM):

    =
https://or=
bilu.uni.lu/bitstream/10993/51050/1/VisualMathematicalDictionary.pdf=

    

     
    

    We also recently received European funds to support thi=
s important project.
    

     
    

    The material consists of posters and word lists (in the=
 near future, also a searchable database). This learning material and the s=
ource files for the images are available
 at the website of the project:
    

    https://m=
ath.uni.lu/dictionary/wordlists.html
    

     <=
/o:p>
    

    We are contacting you because we need a mathematician or school t=
eacher whose mother tongue is Irish to translate the material in this langu=
age.
    

    Could you please be so kind and recommend us to someone, maybe fr=
om your members?
    

    Or could you please consider forwarding this message to your memb=
ers?
    

     <=
/o:p>
    

    We thank you so much for your kind collaboration, as we are inves=
ting all our energy in this project, but we clearly cannot provide the tran=
slations ourselves and rely on your
 support.
    

     <=
/o:p>
    

     
    

    Kind regards,
    

     
    

    Antonella Perucca
    

    Olha Nesterenko
    

     <=
/o:p>
    

     
    

     <=
/span>
    

    Prof. A=
ntonella Perucca and Dr. Olha Nesterenko
    

    -------=
---------------------------------------------------------------------------=
--------------------
    

    Departm=
ent of Mathematics
    

    Univers=
ity of Luxembourg
    

    -------=
---------------------------------------------------------------------------=
--------------------
    

    Website=
: https://www.antonellaperucca.net
    

    Email:
antonella.perucca uni.lu,
nesterenkoolha gmail.com

    -------=
---------------------------------------------------------------------------=
--------------------
 
    

    

    

    

    

    

    
Tá an ríomhphost seo faoi réir an tséanta seo l=
eanas atá le fáil ag 
Séanadh Ríomhphost Ollscoil Teicneolaíochta an Atlanta=
igh 
    
This e-mail is subject to the following disclaimer available at 
Atlantic TU Email Disclaimer



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From owner-mathdep LISTSERV.HEANET.IE  Wed Mar  1 18:23:46 2023
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Hi all,

Please find below details of the next seminar hosted by the Maynooth Dept
of Theoretical Physics.

Regards,
John

Time: Friday 03 March  15:00
Place: PCT, Science Building, North Campus, Maynooth University
Speaker: Prof. Justin Read, University of Surrey
Title: The Emergence of Dwarf Galaxies, Star Clusters and Something
In-Between

Abstract:

Over the past five years, numerical simulations of galaxy formation have
quietly passed a key milestone.  The latest cosmological simulations are
now able to resolve the sites of star formation and the impact of
individual stellar feedback events.

In this talk, I explain why this has led to a new level of realism that
makes simulations predictive, for the first time. I present the latest
results from the "EDGE" simulation project, focussed on modelling the very
smallest stellar systems in the Universe at high fidelity. I show how
realistic dwarf galaxies and dense star clusters - globular clusters and
nuclear star clusters - naturally emerge in EDGE.

I present a new semi-empirical tool for galaxy formation, DarkLight, that
allows us to scale up the results from a small number of high resolution
EDGE simulations to full galaxy populations. And, I present the testable
predictions that our EDGE simulations make for new objects that should be
found in up-coming surveys.

Finally, I conclude with a discussion of where the field is heading next.


Link to join via Microsoft Teams:
https://teams.microsoft.com/l/meetup-join/19%3a3xVzZgKOxz-_0D0vx_nZXhO7Hg5f=
CThijCyD1ApHlvA1%40thread.tacv2/1676303185301?context=3D%7b%22Tid%22%3a%221=
454f5cc-bb35-4685-bbd9-8621fd8055c9%22%2c%22Oid%22%3a%22f323c4f6-7fb7-43ee-=
93a3-a199f6cf3430%22%7d


--000000000000b8945e05f5dac83a
Content-Type: text/html; charset="UTF-8"
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    Hi all,

    Please=
 find below details of the next seminar hosted by the Maynooth Dept
 of Theoretical Physics.

    Regards,
    John

    Time: Frida=
y 03 March  15:00
    Place: PCT, Science=
 Building, North Campus, Maynooth University
    Speaker: Prof. Justin Read, University of Surrey
    <=
/font>
    Title: The Emergence=20
of Dwarf Galaxies, Star Clusters and Something In-Between
    =
=

    Abstract:
    Over
 the past five years, numerical simulations of galaxy formation have=20
quietly passed a key milestone.=C2=A0 The latest cosmological simulations a=
re
 now able to resolve the sites of star formation and the impact of=20
individual stellar feedback events.
    

    In
 this talk, I explain why this has led to a new level of realism that=20
makes simulations predictive, for the first time. I present the latest=20
results from the "EDGE" simulation project, focussed on modelling=
 the=20
very smallest stellar systems in the Universe at high fidelity. I show=20
how realistic dwarf galaxies and dense star clusters - globular clusters
 and nuclear star clusters - naturally emerge in EDGE.
    

    I
 present a new semi-empirical tool for galaxy formation, DarkLight, that
 allows us to scale up the results from a small number of high=20
resolution EDGE simulations to full galaxy populations. And, I present=20
the testable predictions that our EDGE simulations make for new objects=20
that should be found in up-coming surveys.
    

    Fi=
nally, I conclude with a discussion of where the field is heading next.

    Link to join via Microsoft Teams: https://teams.microsof=
t.com/l/meetup-join/19%3a3xVzZgKOxz-_0D0vx_nZXhO7Hg5fCThijCyD1ApHlvA1%40thr=
ead.tacv2/1676303185301?context=3D%7b%22Tid%22%3a%221454f5cc-bb35-4685-bbd9=
-8621fd8055c9%22%2c%22Oid%22%3a%22f323c4f6-7fb7-43ee-93a3-a199f6cf3430%22%7=
d
    

--000000000000b8945e05f5dac83a--

From owner-mathdep LISTSERV.HEANET.IE  Thu Mar  2 01:53:56 2023
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Date:         Wed, 1 Mar 2023 20:51:08 -0500
Reply-To:     Colm Mulcahy 
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From:         Colm Mulcahy 
Subject: maths: The Atlas of Irish Mathematics: Cork 1900-1939
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--00000000000030757a05f5e112de
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New blog: The Atlas of Irish Mathematics: Cork 1900-1939

http://www.mathsireland.ie/blog/2023_2_cm

c

Colm Mulcahy, Professor Emeritus, Spelman College, Atlanta, USA;
Adjunct Professor, Waterford Institute of Technology (SETU Waterford),
Ireland;
Annals of Irish Maths 

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    New blog:=C2=A0The Atlas of Irish Mathematics: Cork 1900-1939=C2=
=A0


    c

    Colm Mulcahy, Professor Emeritus,=C2=A0Spelman College, Atlanta, USA;=C2=A0
    Adjunct Professor, Waterford Institute of Tec=
hnology (SETU Waterford), Ireland;

    Further information: https://maths.ucd.ie/~kazim_b/UCD_ANT_S=
eminar.html=20

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For other seminars in the Algebra and Number Theory series, see http://maths.u=
cd.ie/seminarseries/Algebra

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The following formats the above notice so as to be included in the mathdep =
google calendar

title:: Good lower bounds for off-diagonal Ramsey numbers from explicit con=
structions over finite fields
    content:: Sam Mattheus (Brussels)
:: UCD Algebra and Number Theory seminar (http://maths.ucd.ie/seminarseries/Al=
gebra)=20
location:: Science South Room 3.56
date-time:: Tue 26th Mar 2024 at 2:00PM
    --0000000000009c47e206143ac85d-- From owner-mathdep LISTSERV.HEANET.IE Fri Mar 22 10:39:38 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, HTML_MESSAGE,MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.0 Date: Fri, 22 Mar 2024 10:26:53 +0000 Reply-To: Tristan Mc Loughlin Sender: UCD Maths Department Distribution List From: Tristan Mc Loughlin Subject: maths: second annual =?UTF-8?Q?=C5=81ukasiewicz_public_lecture_by_Piotr_Su=C5=82kowski_?=on 11 April at 6pm To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: This is a multi-part message in MIME format. --------------PHm6hJze4sL1Lf8IdCgndbYL Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Dear Colleagues, There will be a public talk by Piotr Sułkowski  of University of Warsaw on Thursday April 11th at 6pm in the Thomas Davis lecture theatre in the Arts Building, TCD. The talk is organised by the school of mathematics, TCD  and the Polish Embassy in honour of Jan Łukasiewicz. As this is a public talk we ask that people reserve seats via eventbrite https://www.eventbrite.ie/e/public-lecture-on-mathematical-physics-knots-paths-and-strings-tickets-866706030067?aff=oddtdtcreator Title:Knots, paths and strings Abstract:In this lecture I will discuss some modern research areas in which knots (such as those that can be tied on a piece of a rope) play a crucial role, explain how such knots can be characterized and classified in mathematical terms, and reveal how their description gets related by sophisticated methods of string theory to some ideas developed by Jan Łukasiewicz. Best, Tristan title:: Public Lecture (TCD) content:: Piotr Sułkowski  ofUniversity of Warsaw will speak on :: Knots, paths and strings date-time:: 11th April 2024 at 18:00 location:: Thomas Davis lecture theatre, Arts Building, TCD endevent:: --------------PHm6hJze4sL1Lf8IdCgndbYL Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 8bit

    Dear Colleagues,

    There will be a public talk by Piotr Sułkowski  of University of Warsaw on Thursday April 11th at 6pm in the Thomas Davis lecture theatre in the Arts Building, TCD. The talk is organised by the school of mathematics, TCD  and the Polish Embassy in honour of Jan Łukasiewicz. As this is a public talk we ask that people reserve seats via eventbrite

    https://www.eventbrite.ie/e/public-lecture-on-mathematical-physics-knots-paths-and-strings-tickets-866706030067?aff=oddtdtcreator

    Title: Knots, paths and strings

    Abstract: In this lecture I will discuss some modern research areas in which knots (such as those that can be tied on a piece of a rope) play a crucial role, explain how such knots can be characterized and classified in mathematical terms, and reveal how their description gets related by sophisticated methods of string theory to some ideas developed by Jan Łukasiewicz.

    Best,

    Tristan

    title:: Public Lecture (TCD)
    content:: Piotr Sułkowski  of University of Warsaw will speak on
    :: Knots, paths and strings
    date-time:: 11th April 2024 at 18:00
    location:: Thomas Davis lecture theatre, Arts Building, TCD
    endevent::

    --------------PHm6hJze4sL1Lf8IdCgndbYL-- From owner-mathdep LISTSERV.HEANET.IE Sun Mar 24 07:24:10 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, HTML_MESSAGE,MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.0 References: Content-Type: multipart/alternative; boundary="0000000000005b96c1061462c4bf" Message-ID: Date: Sun, 24 Mar 2024 07:11:23 +0000 Reply-To: Hermann Render Sender: UCD Maths Department Distribution List From: Hermann Render Subject: maths: Colloquium Series of the UCD School of Mathematics and Statistics To: MATHDEP LISTSERV.HEANET.IE In-Reply-To: Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --0000000000005b96c1061462c4bf Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable *UCD School of Mathematics and Statistics Colloquium Series * Dear All The School of Mathematics and Statistics cordially invites you to the following talk in our COLLOQUIUM SERIES *SPEAKER: *Professor Peter Stevenhagen (Universiteit Leiden, NL) *TITLE: *How solvable is the negative Pell equation? *TIME *: Thursday 28th March 2024 , 14.00=E2=80=9414.50 *LOCATION *: Science East, Room 0.32 (next to Restaurant Pi) *COFFEE MEETING *: From 15.00=E2=80=9416.00, 4th floor atrium of Scien= ce East, at the spiral stairs. Abstract: Solving the Pell equation x^2-dy^2=3D1 in positive integers x and y is a challenge that, starting with the days of Archimedes, has come up repeatedly in mathematical history. In algebraic number theory, the equation is usually coupled with its negative counterpart x^2-dy^2=3D-1. Unlike the original equation, which admits infinitely many solutions for all non-square integers d>0, the negative Pell equation is solvable for a much smaller, but still infinite subset of d=E2=80=99s. The exact size of = the set of such (squarefree) d is now known, thanks to the work of Koymans and Pagano. This settles a conjecture of mine that goes back to 1992, and that I will explain. --=20 Dr Hermann Render University College Dublin School of Mathematics and Statistics Dublin, Ireland --0000000000005b96c1061462c4bf Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

    =C2=A0

    =C2=A0

    =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0UCD School of Mathematics and Statistics=C2=A0Colloquium Series=C2=A0

    =C2=A0

    Dear All=C2=A0

    =C2=A0

    The School of Mathematics and Statistics cordially invites you to the following talk

    in our=C2=A0COLLOQUIUM=C2= =A0=C2=A0SERIES=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0

    =C2=A0

    SPEAKER:=C2=A0 =C2=A0Professor Peter Stevenhagen (Universiteit Leiden, NL)

    =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0

    TITLE:=C2=A0 =C2=A0How solvable is the negative Pell equation?

    =C2=A0<= /p>

    TIME=C2=A0: Thursday 28<= sup>th March=C2=A0 2024=C2=A0,=C2=A0 14.00=E2=80=9414.50=C2=A0=C2=A0

    =C2=A0

    LOCATION=C2=A0:=C2=A0=C2= =A0=C2=A0Science East, Room 0.32 (next to Restaurant Pi)

    =C2=A0

    =C2=A0

    COFFEE MEETING=C2=A0:=C2= =A0=C2=A0=C2=A0=C2=A0From 15.00=E2=80=9416.00,=C2=A0 4th =C2=A0floor=C2=A0atrium=C2=A0of Science East, at the spiral=C2=A0stairs.

    =C2=A0


    Abstract:=C2=A0
    =C2=A0
    Solving the Pell equation x^2-dy^2=3D1 in positive integers x and y is a challenge
    that, starting with the days of Archimedes, has come up repeatedly in mathematical history. In algebraic number theory, the equation is usually coupled with its negative counterpart x^2-dy^2=3D-1.
    Unlike the original equation, which admits infinitely many solutions for al= l non-square integers d>0, the negative Pell equation is solvable for a mu= ch smaller, but still infinite subset of d=E2=80=99s.=C2=A0 The exact size of the set of such (squarefree) d is now known, thanks to the work of Koymans and Pagano. This settles a conjecture of mine that goes back to 1992, and that I will explain.


    --
    Dr Hermann Render
    University College Dublin= =C2=A0
    School of Mathematics and Statistics
    Dublin, Irela= nd

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boundary="_000_DU0PR02MB898042342226E187CB719D13F1362DU0PR02MB8980eurp_" MIME-Version: 1.0 X-OriginatorOrg: tcd.ie X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DU0PR02MB8980.eurprd02.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 68c9f4ce-413b-476f-1916-08dc4cb4d015 X-MS-Exchange-CrossTenant-originalarrivaltime: 25 Mar 2024 10:17:44.8289 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: d595be8d-b306-45f4-8064-9e5b82fbe52b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: ycddU8fRQb8fe/9gcc29eTTcCEuyn+XlXqz6n7iQvUmFO2SwLaDGiKvySjYOZmYO X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB9PR02MB7964 Message-ID: Date: Mon, 25 Mar 2024 10:17:44 +0000 Reply-To: Luke Corcoran Sender: UCD Maths Department Distribution List From: Luke Corcoran <00000ee260cb5ec9-dmarc-request LISTSERV.HEANET.IE> Subject: maths: Dublin Area Theoretical Physics Colloquium To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --_000_DU0PR02MB898042342226E187CB719D13F1362DU0PR02MB8980eurp_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Dear all, This is an announcement for the next installment of the Dublin Area Theoret= ical Physics Colloquium 2023/24. Further information can be found on the we= bsite https://sites.google.com/tcd.ie/dtpc23-24/home Date & Time: Wednesday, 27th March 2024 at 4:00pm Venue: Salmon Lecture Theatre, Hamilton building, Trinity College Dublin Speaker: Michal Heller (Ghent) Title: Gravity and Quantum Fields through Quantum Physics Lenses Abstract: In the XXI century a new web of connections between different br= anches of physics was discovered. It entails deep relations between gravity= and quantum field theory on one side and quantum information processing an= d quantum many-body physics on the other. In my colloquium I will discuss h= ow progress along these lines is affecting our understanding of gravity in = black hole and cosmological spacetimes. I will also elucidate novel quantum= field theory problems it is raising, such as questions about properties of= entanglement or hardness of state preparation using limited resources (com= plexity). All are welcome! Best, Luke Corcoran & Patrick Fritzsch ----------------------------------------------------------------- title:: Gravity and Quantum Fields through Quantum Physics Lenses content:: Michal Heller (Ghent) :: Dublin Area Theoretical Physics Colloquium (http://sites.google.com/tcd.= ie/dtpc23-24/home) location:: Salmon lecture theatre, Hamilton building (ground floor) date-time:: Wed 27 Mar 2024 at 4:00PM --_000_DU0PR02MB898042342226E187CB719D13F1362DU0PR02MB8980eurp_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Dear all,<= /span>

    This is= an announcement for the next installment of the Dublin Area Theoretical Ph= ysics Colloquium 2023/24. Further information can be found on the website https://sites.google.com/tcd.= ie/dtpc23-24/home 

    Date & Time: Wednesday, 27th March 2024 at 4:00pm

    Venue: Salmon Lecture Theatre, Hamilton building, Trinity= College Dublin

    Speaker: Michal Heller (Ghent)

    Title: Gravity and Quantum Fields through Quantum Physics Lenses

    Abstract:  In the XXI century = a new web of connections between different branches of physics was discovered. It entails deep relations between grav= ity and quantum field theory on one side and quantum information processing= and quantum many-body physics on the other. In my colloquium I will discus= s how progress along these lines is affecting our understanding of gravity in black hole and cosmological s= pacetimes. I will also elucidate novel quantum field theory problems it is = raising, such as questions about properties of entanglement or hardness of = state preparation using limited resources (complexity).


    All are welcome!
    Best,
    Luke Corcora=
n & Patrick Fritzsch
    -----------------------------------------------------------------

    title:: Gravity and Quantum Fields through Quantum Physics Lenses
    content:: Michal Heller (Ghent)
    :: Dublin Area Theoretical Physics Colloquium (http://sites.google.com/tcd.ie/dtpc23-24/home) 
    location:: Salmon lecture theatre,= Hamilton building (ground floor)
    date-time:: Wed 27 Mar 2024 at 4:0= 0PM

    --_000_DU0PR02MB898042342226E187CB719D13F1362DU0PR02MB8980eurp_-- From owner-mathdep LISTSERV.HEANET.IE Mon Mar 25 13:23:03 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=-0.5 required=5.0 tests=DKIM_ADSP_CUSTOM_MED, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, HTML_MESSAGE,MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.0 Date: Mon, 25 Mar 2024 13:10:00 +0000 Reply-To: Seminars Maths NUIG Sender: UCD Maths Department Distribution List From: Seminars Maths NUIG Subject: Maths: Seminar Uni Galway, Koushik Paul - Novel Construction of Specht Modules for Monomial Groups To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --00000000000024738906147be5c0 Content-Type: text/plain; charset="UTF-8" Novel Construction of Specht Modules for Monomial Groups Koushik Paul (University of Galway) Tuesday March 26th, 11:00-12:00 Lecture held in AMB-G066, Psychology Wing, Arts Millennium Building Abstract: In this PhD work, I develop a new method to construct the Specht modules using Specht matrices for families of symmetric groups, monomial groups and hyperoctahedral groups. Specht modules appear in the representation theory of symmetric groups with the notions of Young symmetrizers and thereafter building the notions of polytabloids turn into basis of the Specht module corresponding to some partition of a natural number. Here I develop a new combinatorial way to replace polytabloids by columns of Specht matrices corresponding to the standard tableaux. The set of such columns give rise to the basis of the Specht modules. This new construction is very straight forward and easy to understand as it uses simple linear algebraic techniques such as solving system of linear equations. --00000000000024738906147be5c0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
    Novel Construction of Specht Modules for Monomial Groups
    Koushik Paul (University of Galway)
    Tuesday March 26th= , 11:00-12:00=C2=A0
    Lecture held in=C2=A0AMB-G066, Psychology= Wing, Arts Millennium Building

    Abstract:=C2=A0

    In this PhD work, I develop a new method to = construct the Specht modules using Specht matrices for families of symmetri= c groups, monomial groups and hyperoctahedral groups. Specht modules appear= in the representation theory of symmetric groups with the notions of Young= symmetrizers and thereafter building the notions of polytabloids turn into= basis of the Specht module corresponding to some partition of a natural nu= mber. Here I develop a new combinatorial way to replace polytabloids by col= umns of Specht matrices corresponding to the standard tableaux. The set of = such columns give rise to the basis of the Specht modules. This new constru= ction is very straight forward and easy to understand as it uses simple lin= ear algebraic techniques such as solving system of linear equations.

    --00000000000024738906147be5c0-- From owner-mathdep LISTSERV.HEANET.IE Mon Mar 25 21:03:36 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.0 Date: Mon, 25 Mar 2024 20:50:59 +0000 Reply-To: "Denjoe O'Connor" Sender: UCD Maths Department Distribution List From: "Denjoe O'Connor" Subject: maths: DIAS Zoominar Thursday March 28th 14:30 speaker Keith Glennon To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: Dear Colleagues, please join us for our upcoming Theoretical Physics Seminar at 14:30 Thursday March 28th by Keith Glennon. The seminar will be in the DIAS lecture theatre and on Zoom via the link: Date: Thursday March 28st Time: 14:30 https://us02web.zoom.us/j/6199730148?pwd=SjVGcTJWQmZZNndHenMyRStsL0lKdz09 Meeting ID: 619 973 0148 Password: 122512 Keith Glennon Okinawa Institute of Science and Technology Title: An Overview of the E11 Program Abstract: We will discuss the claim that the low energy effective action of the theory of strings and branes possesses an E11 Kac-Moody symmetry. We will show that a certain non-linear realization of E11 reproduces the equations of motion of eleven-dimensional supergravity, and that different decompositions leads to all the maximal supergravity theories, while the non-linear realization also contains effects beyond the supergravity approximation, indicating that E11 is a symmetry of the theory of strings and branes. We will discuss how this forces one to extend space-time and introduce new additional coordinates and suggest a physical interpretation of this fact. We will then discuss recent applications of Kac-Moody algebras to four-dimensional gravity, and open questions in the field. With best wishes, Denjoe. From owner-mathdep LISTSERV.HEANET.IE Tue Mar 26 12:41:03 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=-0.1 required=5.0 tests=FROM_LOCAL_HEX, FROM_STARTS_WITH_NUMS,HTML_MESSAGE,MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.0 Date: Tue, 26 Mar 2024 12:28:10 +0000 Reply-To: Jennifer Murray Sender: UCD Maths Department Distribution List From: Jennifer Murray <000010436fa6e089-dmarc-request LISTSERV.HEANET.IE> Subject: Maths: Teaching fellow position, TCD (1 year) To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --_000_AM0PR02MB5761E1F73F09BA5CE73CC6AB92352AM0PR02MB5761eurp_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Dear Colleagues, The school of mathematics, TCD, has openings for one-year, specific purpose= teaching fellows in the upcoming academic year. Information regarding the = post can be found at https://www.maths.tcd.ie/positions/TFJobSpec_24.pdf Applicants should send a CV detailing their teaching experience, teaching s= tatement (no more than 2 pages) and cover letter to Jennifer Murray, jennif= er.murray tcd.ie, before April 26th at 12pm.= Please forward this information to anyone who may be interested. Kind regards, Jennifer Jennifer Murray / Administrative Officer / School Office, School of Mathema= tics Trinity College Dublin, the University of Dublin, Dublin 2, Ireland. jennifer.murray tcd.ie www.tcd.ie Jennifer Murray / Oifigeach Riarach=E1in / Oifig na Scoile, Scoil na Matama= itice Col=E1iste na Tr=EDon=F3ide, Baile =C1tha Cliath, Ollscoil =C1tha Cliath, B= aile =C1tha Cliath 2, =C9ire. --_000_AM0PR02MB5761E1F73F09BA5CE73CC6AB92352AM0PR02MB5761eurp_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

    Dear Colleagues,

     

    The school of mathematics, TCD, has openings for = one-year, specific purpose teaching fellows in the upcoming academic year. = Information regarding the post can be found at

     

    https://www.maths.tcd.ie/positions/TFJobSpec_24.pdf=

     

    Applicants should send a CV detailing their teach= ing experience, teaching statement (no more than 2 pages) and cover letter = to Jennifer Murray, jennifer.murray tcd.ie, befor= e April 26th at 12pm. Please forward this information to anyone who may be = interested.

     

    Kind regards,

    Jennifer

     

    Jennifer Murray / Administrative Officer / School O= ffice, School of Mathematics

    Trin= ity College Dublin, the University of Dublin, Dublin 2, Ireland.<= /span>
    jennifer.murray tcd= .ie&= nbsp;    www.tcd.ie


    Jennifer Murray / Oifigeach Riarach=E1in / Oifig na Scoile, Scoil na Matama= itice

    Col= =E1iste na Tr=EDon=F3= ide, Baile =C1tha Cliath, Ollscoil = =C1t= ha Cliath, Baile =C1tha Cliath 2, =C9ire.=

     

    --_000_AM0PR02MB5761E1F73F09BA5CE73CC6AB92352AM0PR02MB5761eurp_-- From owner-mathdep LISTSERV.HEANET.IE Wed Mar 27 13:51:17 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=-0.5 required=5.0 tests=DKIM_ADSP_CUSTOM_MED, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, HTML_MESSAGE,MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.0 Date: Wed, 27 Mar 2024 13:37:00 +0000 Reply-To: Seminars Maths NUIG Sender: UCD Maths Department Distribution List From: Seminars Maths NUIG Subject: Maths: Seminar Uni Galway, Mehakpreet Singh - Efficient Mass-Preserving Finite Volume Approach for the Rennet-Induced Coagulation Equation To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --0000000000000d8d800614a486e2 Content-Type: text/plain; charset="UTF-8" Efficient Mass-Preserving Finite Volume Approach for the Rennet-Induced Coagulation Equation Mehakpreet Singh (University of Limerick) Thu March 28th, 15:00-16:00 Lecture held in ADB1020 Abstract: The coagulation of casein micelles caused by enzymes is a critical step in the dairy industry for cheese manufacture. During enzymatic coagulation of milk, three processes occur: enzymic proteolysis, coagulation, and gelation. This study presents the first numerical approach based on a finite volume scheme for describing the enzyme-induced coagulation of casein micelles. The finite volume scheme is mainly concerned with ensuring mass conservation and developed on the assumption that the particles are concentrated on the mean of each cell of the discretisation. The key advantages of the new technique are its simple mathematical formulation and its robustness that allow it to be implemented on any type of grid and tailored to different coagulation kernels. The accuracy of the new approach is compared with newly derived analytical results for several gelling and non-gelling coagulation kernels. The comparison demonstrates that the new approach closely matches the exact results. In order to analyse the convergence behaviour of different order moments, various refined non-uniform grids have been taken into consideration. --0000000000000d8d800614a486e2 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
    Efficient M= ass-Preserving Finite Volume Approach for the Rennet-Induced Coagulation Eq= uation Mehakpreet Singh (University of Limerick)
    Thu March 28= th, 15:00-16:00=C2=A0
    Lecture held in ADB1020

    <= /div>
    Abstract:=C2=A0

    The coagulation = of casein micelles caused by enzymes is a critical step in the dairy indust= ry for cheese manufacture. During enzymatic coagulation of milk, three proc= esses occur: enzymic proteolysis, coagulation, and gelation. This study pre= sents the first numerical approach based on a finite volume scheme for desc= ribing the enzyme-induced coagulation of casein micelles. The finite volume= scheme is mainly concerned with ensuring mass conservation and developed o= n the assumption that the particles are concentrated on the mean of each ce= ll of the discretisation. The key advantages of the new technique are its s= imple mathematical formulation and its robustness that allow it to be imple= mented on any type of grid and tailored to different coagulation kernels. T= he accuracy of the new approach is compared with newly derived analytical r= esults for several gelling and non-gelling coagulation kernels. The compari= son demonstrates that the new approach closely matches the exact results. I= n order to analyse the convergence behaviour of different order moments, va= rious refined non-uniform grids have been taken into consideration.


    --0000000000000d8d800614a486e2-- From owner-mathdep LISTSERV.HEANET.IE Thu Mar 28 09:42:46 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, HTML_MESSAGE,MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.0 Date: Thu, 28 Mar 2024 09:30:03 +0000 Reply-To: hahnma MATHS.TCD.IE Sender: UCD Maths Department Distribution List From: hahnma MATHS.TCD.IE Subject: TCD Dublin Mathematics Colloquium =?utf-8?Q?=E2=80=93_?=28 March To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: ----=_RainLoop_827_184701179.1711618203 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Dear all, It is our pleasure to invite you to this week=E2=80=99s Dublin Mathematic= s Colloquium (https://www.maths.tcd.ie/~dmc/ (https://www.maths.tcd.ie/~d= mc/)) which takes places on Thursday 28 March, 4pm in the Synge lecture t= heatre. Our speaker is Juan Jos=C3=A9 Salazar Gonz=C3=A1lez (Universidad = de la Laguna) , who will speak about: title: Mathematics to help finding another planet to live=20 abstract:=20Astronomers are exploring the sky looking for exoplanets. Thi= s talk concerns a new optimization problem arising in the management of a= multi-object spectrometer. The field of view of the spectrograph is divi= ded into contiguous and parallel spatial bands, each one associated with = two opposite sliding metal bars that can be positioned to observe one ast= ronomical object. Thus several objects can be analyzed simultaneously wit= hin a configuration of the bars called a mask. Due to the high demand fro= m astronomers, pointing the spectrograph=E2=80=99s field of view to the s= ky, rotating it, and selecting the objects to conform a mask is a crucial= optimization problem for the efficient use of the spectrometer. We descr= ibe this optimization problem, present a Mixed Integer Linear Programming= formulation for the case where the rotation angle is fixed, present a no= n-convex formulation for the case where the rotation angle is unfixed, de= scribe a heuristic approach for the general problem, and discuss computat= ional results on real-world and randomly-generated instances. Best regards, Florian Naef and Marvin Anas Hahn title:: Dublin Mathematics Colloquium content:: Juan Jos=C3=A9 Salazar Gonz=C3=A1lez will speak on :: Mathematics to help finding another planet to live =E2=80=8B=E2=80=8B= =E2=80=8B=E2=80=8B=E2=80=8B=E2=80=8B =E2=80=8B=E2=80=8B :: https://www.maths.tcd.ie/~dmc/ (https://www.maths.tcd.ie/~dmc/) date-time:: Thursday, March 28 at 4:00pm location:: Synge Lecture Theatre, Hamilton Building, TCD ----=_RainLoop_827_184701179.1711618203 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable
    <= div>
    =
    <= div>
    Dear all,

    It is our pleasure to invite you t= o this week=E2=80=99s Dublin Mathematics Colloquium (https://www.maths.tcd.ie/~dmc/) wh= ich takes places on Thursday 28 March, 4pm in the S= ynge lecture theatre. Our speaker is     Juan Jos=C3= =A9 Salazar Gonz=C3=A1lez (Universidad de la Laguna) , who will speak about:

    title:     Mathematics to help finding another planet to live
    abstract: Astronomers are exploring t= he sky looking for exoplanets. This talk concerns a new optimization prob= lem arising in the management of a multi-object spectrometer. The field o= f view of the spectrograph is divided into contiguous and parallel spatia= l bands, each one associated with two opposite sliding metal bars that ca= n be positioned to observe one astronomical object. Thus several objects = can be analyzed simultaneously within a configuration of the bars called = a mask. Due to the high demand from astronomers, pointing the spectrograp= h=E2=80=99s field of view to the sky, rotating it, and selecting the obje= cts to conform a mask is a crucial optimization problem for the efficient= use of the spectrometer. We describe this optimization problem, present = a Mixed Integer Linear Programming formulation for the case where the rot= ation angle is fixed, present a non-convex formulation for the case where= the rotation angle is unfixed, describe a heuristic approach for the gen= eral problem, and discuss computational results on real-world and randoml= y-generated instances.

    Best regard= s,
    Florian Naef and Marvin Anas Hahn


    t= itle:: Dublin Mathematics Colloquium
    content::     Juan Jos= =C3=A9 Salazar Gonz=C3=A1lez will speak on
    ::     Ma= thematics to help finding another planet to live =E2=80=8B=E2=80=8B=E2=80= =8B=E2=80=8B=E2=80=8B=E2=80=8B =E2=80=8B=E2=80=8B
    :: https://www.maths.tcd.ie/~dmc/
    date-time:: Thursday, = March 28 at 4:00pm
    location:: Synge Lecture Theatre, Hamilton Building= , TCD
    ----=_RainLoop_827_184701179.1711618203-- From owner-mathdep LISTSERV.HEANET.IE Fri Mar 29 08:38:32 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, HTML_MESSAGE,MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.0 Date: Fri, 29 Mar 2024 08:25:00 +0000 Reply-To: Kazim Buyukboduk Sender: UCD Maths Department Distribution List From: Kazim Buyukboduk Subject: maths: Algebra and Number Theory seminar, Thu 4th April 2024 To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --0000000000007ee4e30614c8632e Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable UCD School of Mathematics and Statistics - Seminar Notice *Speaker:* Matteo Tamiozzo (Paris) *Title:* Rational points and Tate-Shafarevich classes on congruent abelian varieties *Date:* Thu 4th Apr 2024 *Time:* 2:00PM *Location:* Science East, Room 0.32 ("next to =CF=80") *Abstract:* The main theme of the talk will be the interplay between rational points and the Tate-Safarevich classes. More precisely, the Birch and Swinnerton-Dyer special value formula predicts the existence of non-trivial Tate-Shafarevich classes for certain elliptic curves E. I will explain why such classes can often be constructed from rational points on abelian varieties =E2=80=9Ccongruent to E=E2=80=9D. In the first = part of the talk, I will introduce the analogous notions in the simplest setting of conics, interpreting Leibniz=E2=80=99s classical formula as a Tamagawa number computation. *Further information:* https://maths.ucd.ie/~kazim_b/UCD_ANT_Seminar.html ------------------------------------------------------------- For other seminars in the Algebra and Number Theory series, see http://maths.ucd.ie/seminarseries/Algebra ------------------------------------------------------------- The following formats the above notice so as to be included in the mathdep google calendar title:: Rational points and Tate-Shafarevich classes on congruent abelian varieties content:: Matteo Tamiozzo (Paris) :: UCD Algebra and Number Theory seminar (http://maths.ucd.ie/seminarseries/Algebra) location:: Science East, Room 0.32 ("next to =CF=80") date-time:: Thu 4th Apr 2024 at 2:00PM --0000000000007ee4e30614c8632e Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 
    UCD School of Mathemati=
cs and Statistics - Seminar Notice

=20
	Speaker: Matteo Tamiozzo (Paris)
=20
	Title: Rational points and Tate-Shafarevich classes on congruent ab=
elian varieties

=20
	Date: Thu 4th Apr 2024
=20
	Time: 2:00PM=20
=20
	Location: Science East, Room 0.32 ("next to =CF=80")

Abstract: The main theme of the talk will be the interplay between r=
ational points and the Tate-Safarevich classes. More precisely, the Birch a=
nd Swinnerton-Dyer special value formula predicts the existence of non-triv=
ial Tate-Shafarevich classes for certain elliptic curves E. I will explain =
why such classes can often be constructed from rational points on abelian v=
arieties =E2=80=9Ccongruent to E=E2=80=9D. In the first part of the talk, I=
 will introduce the analogous notions in the simplest setting of conics, in=
terpreting Leibniz=E2=80=99s classical formula as a Tamagawa number computa=
tion.
    Further information: <=
a href=3D"https://maths.ucd.ie/~kazim_b/UCD_ANT_Seminar.html" target=3D"_bl=
ank">https://maths.ucd.ie/~kazim_b/UCD_ANT_Seminar.html=20

-------------------------------------------------------------
For other seminars in the Algebra and Number Theory series, see http://maths.u=
cd.ie/seminarseries/Algebra

-------------------------------------------------------------
The following formats the above notice so as to be included in the mathdep =
google calendar

title:: Rational points and Tate-Shafarevich classes on congruent abelian v=
arieties
content:: Matteo Tamiozzo (Paris)
:: UCD Algebra and Number Theory seminar (http://maths.ucd.ie/seminarseries/Al=
gebra)=20
location:: Science East, Room 0.32 ("next to =CF=80")
date-time:: Thu 4th Apr 2024 at 2:00PM
    --0000000000007ee4e30614c8632e-- From owner-mathdep LISTSERV.HEANET.IE Fri Mar 29 11:03:15 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=-0.7 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, HTML_MESSAGE,MAILING_LIST_MULTI,MIME_QP_LONG_LINE autolearn=unavailable autolearn_force=no version=3.4.0 Date: Fri, 29 Mar 2024 10:50:16 +0000 Reply-To: seminars MATHS.UCD.IE Sender: UCD Maths Department Distribution List From: seminars MATHS.UCD.IE Subject: maths: Analysis seminar, Tue 2nd April 2024 To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: ----+--1711709416--+-- Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable UCD School of Mathematics and Statistics - Seminar Notice=0D =0D =0D Speaker: Myrto Manolaki=0D =0D Title: Interactions between universality of composition operators and comp= lex dynamics=0D =0D =0D Date: Tue 2nd April 2024=0D =0D Time: 3:00PM=0D =0D Location: E0.32 (beside Pi restaurant)=0D =0D Abstract: This talk is concerned with universality properties of compositio= n operators C_f, where the symbol f is given by a transcendental entire fun= ction restricted to parts of its Fatou set. We will discuss some new result= s on the existence of universal composition operators, which extend the wor= k of Jung in [J. Anal. Math. 2019]. Moreover, in the case where they exist,= we will describe the local behaviour of the corresponding universal functi= ons near points of f that have specific dynamical properties. =0D =0D (Joint work with Vasiliki Evdoridou and Cliff Gilmore)=0D =0D https://ucd-ie.zoom.us/j/61735634332=0D =0D Further information: https://ucd-ie.zoom.us/j/61735634332 =0D =0D -------------------------------------------------------------=0D For other seminars in the Analysis series, see http://maths.ucd.ie/seminars= eries/Analysis=0D =0D -------------------------------------------------------------=0D The following formats the above notice so as to be included in the mathdep = google calendar=0D =0D title:: Interactions between universality of composition operators and comp= lex dynamics=0D content:: Myrto Manolaki =0D :: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis) =0D location:: E0.32 (beside Pi restaurant)=0D date-time:: Tue 2nd April 2024 at 3:00PM=20= ----+--1711709416--+-- Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable

    UCD School of Mathematics and Statistics - Seminar Notice


    Speaker: Myrto Manolaki

    Title: Interactions between universality of composition operators and complex dynamics


    Date: Tue 2nd April 2024

    Time: 3:00PM

    Location: E0.32 (beside Pi restaurant)

    Abstract: This talk is concerned with universality properties of composition operators C_f, where the symbol f is given by a transcendental entire function restricted to parts of its Fatou set. We will discuss some new results on the existence of universal composition operators, which extend the work of Jung in [J. Anal. Math. 2019]. Moreover, in the case where they exist, we will describe the local behaviour of the corresponding universal functions near points of f that have specific dynamical properties.

    (Joint work with Vasiliki Evdoridou and Cliff Gilmore)

    https://ucd-ie.zoom.us/j/61735634332

    Further Information

    -------------------------------------------------------------
    For other seminars in the Analysis series, click http://maths.ucd.ie/seminarseries/Analysis

    -------------------------------------------------------------
    The following formats the above notice so as to be included in the mathdep google calendar

    title:: Interactions between universality of composition operators and complex dynamics
    content:: Myrto Manolaki
    :: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis)
    location:: E0.32 (beside Pi restaurant)
    date-time:: Tue 2nd April 2024 at 3:00PM

    ----+--1711709416--+----