new Maths Ireland blog on Irish postgraduates 1910-1959
"In the period up to 1960, Irish p= ostgraduates trained overseas with=20 talents as diverse as Picard, Bateman, Levi-Civita, Baker, Whittaker=20 (who had worked at TCD), Hardy & Littlewood, Born, Smithies, Artin,=20 Wright, Hayman, Higman, Besicovitch, and Feller"
More at=C2=A0http://www.mathsireland.ie/blog/2017_03_cm
Co= rrections and comments welcome as always.
<= div>
Colm Mulcahy, Professor of Mathematics, Spelman = College,=C2=A0Sci 154, PO Box 953, Atlanta, GA 30314, USA, (404) 270-5837, = colm spelman.ed= u,=C2=A0www.cardcolm.org, cardcolm=C2=A0Spelman Mathematic= s Facts / Gathering=C2=A04 Gardner VP=C2=A0/ Annals of Irish Maths=C2=A0/ Mathematical Car= d Magic: Fifty-Two New Effects=C2=A0
--f403045f8934ddb0e3054c471b47-- From owner-mathdep LISTSERV.HEANET.IE Tue Apr 4 09:37:29 2017 Return-Path: Date: Tue, 4 Apr 2017 08:37:12 +0000 Reply-To: Ivan Todorov Sender: UCD Maths Department Distribution List From: Ivan Todorov Subject: maths: Pure Maths Colloquium at Queen's To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: Status: O X-Status: X-Keywords: X-UID: 10 --_000_A54120DB5F42C0428D5C4A9F2A5575059C688539EX2K10MBX7adsqu_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable The next meeting of the Pure Mathematics Colloquium at Queen's will take pl= ace at 2pm on Friday 7 April in room DBB 0G.005. The speaker will be Iva Ha= lacheva from Lancaster University. Title: Higher Schur-Weyl duality for the periplectic Lie superalgebra p(n) Abstract: In classical Schur-Weyl duality for the Lie algebra gl(n), the en= domorphism algebras of certain gl(n)-representations coming from the standa= rd representation are described in terms of the symmetric group. Arakawa an= d Suzuki=92s work uses an augmentation of the symmetric group, the degenera= te affine Hecke algebra and its cyclotomic quotients, to capture the inform= ation of more general representations. This framework was subsequently exte= nded by Ehrig and Stroppel to the Lie algebra so(2n), where the Brauer alge= bras and affine VW-algebras play an analogous role. We will discuss the Lie= superalgebra p(n) and the role the odd Brauer and VW-algebras play in desc= ribing its representation theory. The main ingredient will be a surprising = quadratic Casimir element constructed using both p(n) and gl(n|n). Tea and biscuits will be served in the same room after the talk. Everyone is welcome! --_000_A54120DB5F42C0428D5C4A9F2A5575059C688539EX2K10MBX7adsqu_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
The nex= t meeting of the Pure Mathematics Colloquium at Queen's will take place at = 2pm on Friday 7 April in room DBB 0G.005. The speaker will be Iva Halacheva= from Lancaster University.
Title: Higher Schur-Weyl duality for = the periplectic Lie superalgebra p(n)
Abstract: In classical Schur-Weyl duality = for the Lie algebra gl(n), the endomorphism algebras of certain gl(n)-repre= sentations coming from the standard representation are described in terms o= f the symmetric group. Arakawa and Suzuki=92s work uses an augmentation of the symmetric group, the degenerate affi= ne Hecke algebra and its cyclotomic quotients, to capture the information o= f more general representations. This framework was subsequently extended by= Ehrig and Stroppel to the Lie algebra so(2n), where the Brauer algebras and affine VW-algebras play an analogous= role. We will discuss the Lie superalgebra p(n) and the role the odd Braue= r and VW-algebras play in describing its representation theory. The main in= gredient will be a surprising quadratic Casimir element constructed using both p(n) and gl(n|n).
T= ea and biscuits will be served in the same room after the talk.&n= bsp;
Everyone is welcome!
--_000_A54120DB5F42C0428D5C4A9F2A5575059C688539EX2K10MBX7adsqu_-- From owner-mathdep LISTSERV.HEANET.IE Tue Apr 4 14:46:44 2017 Return-Path: Date: Tue, 4 Apr 2017 14:45:45 +0100 Reply-To: Kwok Chuen Wong Sender: UCD Maths Department Distribution List From: Kwok Chuen Wong Subject: maths: DCU Mathematical Finance Seminar (E. Mayerhofer) To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: Status: O X-Status: X-Keywords: X-UID: 11 --001a1137854481d5eb054c57807f Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Dear Colleagues, We will have Mathematical Finance seminar this Friday: Everybody welcome, Ryan title:: DCU Math Finance (Eberhard Mayerhofer, UL) content:: Wishart distributions are the natural extension of chi-square :: and gamma distributions to the cone of positive semi-definite matirces, :: and they include the distributions of covariance matrices of normal samples. :: A novel approach that analyzes the action of affine Markovian semigroups :: on elementary symmetric polynomials allows to fully characterize the :: maximal parameter domain of non-central Wishart distributions. The Mayerhofer conjecture :: (2011, see http://www.cimpa.info/IMG/pdf/Cours_Mayerhofer_Hammamet.pdf) :: that links the rank of the non-centrality parameter to the magnitude of the shape parameter is proved. :: Besides, we completely understand why matrix-valued Bessel Squared processes hit the irregular boundary :: of the cone of positive semi-definite matrices, where they scratch along and ultimately cease to exist, :: unless a subtle drift condition is fulfilled. date-time:: 07th April at 11:00am location:: DCU Business School, QG27 endevent:: --=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 --001a1137854481d5eb054c57807f Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Dear Colleagues,

We will have Mathematical Finance = seminar this Friday:

Everybody welcome,

Ryan

title:: D= CU Math Finance (Eberhard Mayerhofer, UL)
content:: Wishart distribution= s are the natural extension of chi-square
:: and gamma distributions to= the cone of positive semi-definite matirces,
:: and they include the d= istributions of covariance matrices of normal samples.
:: A novel appro= ach that analyzes the action of affine Markovian semigroups
:: on eleme= ntary symmetric polynomials allows to fully characterize the
:: maximal= parameter domain of non-central Wishart distributions. The Mayerhofer conj= ecture
:: (2011, see http://www.cimpa.info/IMG/pdf/Cours_Mayerhofer_Hammam= et.pdf)
:: that links the rank of the non-centrality parameter to t= he magnitude of the shape parameter is proved.
:: Besides, we completel= y understand why matrix-valued Bessel Squared processes hit the irregular b= oundary
:: of the cone of positive semi-definite matrices, where they s= cratch along and ultimately cease to exist,
:: unless a subtle drift co= ndition is fulfilled.

date-time:: 07th April at 11:00am
loca= tion:: DCU Business School, QG27
endevent::
S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=
T=C3=A1 an r=C3=ADomhphost seo agus a=
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 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 Apr  4 15:12:47 2017
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Date:         Tue, 4 Apr 2017 15:11:16 +0100
Reply-To:     Ruth Britto 
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From:         Ruth Britto 
Subject: maths: Theoretical Physics Seminar - TCD - Thurs 13 April
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TCD THEORETICAL PHYSICS SEMINAR

Thursday, 13 April 2017, 2:00 pm

Seminar Room, House 20
School of Mathematics 
Trinity College Dublin

Speaker: Gustav Mogull (Edinburgh)

Title: Two-Loop Fundamental Colour-Kinematics Duality

Abstract: 

The study of loop-level scattering amplitudes in (super-)Yang-Mills theories has seen enormous progress over the last decade or so.  Unfortunately, many of these developments are limited to the planar limit which consists of only planar Feynman diagrams.  Meanwhile, loop-level (super-)gravity amplitudes are difficult to calculate with ordinary Feynman diagrams.  In this talk I will introduce Bern, Carrasco & Johansson’s (BCJ’s) colour-kinematics duality.  The duality recycles planar tree-level amplitudes into full-colour loop-level amplitudes, while also giving loop-level gravity amplitudes by a double copy.  I will also discuss the inclusion of fundamental matter multiplets, and apply these techniques to N=2 supersymmetry with extra hypermultiplets at two-loop order.


All are welcome.

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

title:: TCD Theoretical Physics Seminar
content::Gustav Mogull (Edinburgh)
::Two-Loop Fundamental Colour-Kinematics Duality::
date-time:: 13 April 2017 at 2:00pm
location::Seminar Room House 20, TCD
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Tue Apr  4 22:42:36 2017
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Date:         Tue, 4 Apr 2017 22:42:18 +0100
Reply-To:     Manuela Kulaxizi 
Sender:       UCD Maths Department Distribution List 
From:         Manuela Kulaxizi 
Subject: maths: NO DUBLIN THEORETICAL PHYSICS COLLOQUIUM TOMORROW
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--f4030435bfdc74f2b4054c5e2654
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Dear all,

Due to a late cancellation, there will be* NO Dublin Theoretical Physics
Colloquium tomorrow.*

My sincere apologies,

See you all in late September/October!


Kind Regards,
Manuela





Manuela Kulaxizi
School of Mathematics
Trinity College Dublin
Dublin 2,
Ireland
tel:+353 1 896 1211

--f4030435bfdc74f2b4054c5e2654
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Dear all,

Due to a late=C2=A0cancellation, there will be=C2=A0NO Dublin Th=
eoretical Physics Colloquium tomorrow.
=

My sincere apologies,

See you all in late September/October!

Kind Regards,
Manuela<=
/div>




Manuela Kula=
xiziSchool of Mathematics
Trinity College Dublin
D=
ublin 2,
Ireland
tel:+353 1 896 1211
























--f4030435bfdc74f2b4054c5e2654--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr  5 23:07:44 2017
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Date:         Wed, 5 Apr 2017 18:07:26 -0400
Reply-To:     Martin Bridgeman 
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From:         Martin Bridgeman 
Subject: maths: The 13th William Rowan Hamilton Geometry and Topology Workshop, on Geometry and Dynamics of Moduli Spaces, at the HMI, Dublin, August 22-26, 2017
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The 13th William Rowan Hamilton Geometry and Topology Workshop
                      August 22-26, 2017
  The Hamilton Mathematics Institute, Trinity College Dublin
                            on
*    Geometry and Dynamics of Moduli Spaces*

Sponsors: Boston College, the GEAR Network, the Hamilton Mathematics
Institute, and the National Science Foundation.

This is the first announcement for the 13th William Rowan Hamilton Geometry
and Topology Workshop to be held at the Hamilton Mathematics Institute
(HMI), in Trinity College Dublin Ireland. The workshop will consist of a
two day mini-course August 22-23, followed by a three day lecture
series, August
24-26, 2017.

This year's topic for the workshop is* Geometry and Dynamics of Moduli
Spaces*

*Mini-course**:*

This year=E2=80=99s mini-course will be given by Jayadev Athreya (Seattle) =
and
Elise Goujard (Orsay) on *Volumes of moduli spaces of meromorphic
differentials.* The mini-course will run August 22-23 and consist of a
two-day series of lectures and discussions. The target audience is graduate
students and junior researchers.

*Lecture Series:*
The lecture series will be August 24-26. Speakers include

Paul Apisa (Chicago)
Matt Bainbridge (Indiana)
Maxime Bourque (Toronto)
Viveka Erlandsson (Aalto)
Vaibhav Gadre (Glasgow)
Alex Eskin (Chicago)
Sarah Koch (Michigan)
Ania Lenzhen (Rennes)
Ronen Mukamel (Rice)
Kathryn Lindsey (Boston College)
John Smillie (Warwick)
Franco Vargas Pallete (Berkeley)
Kasra Rafi (Toronto)
Anton Zorich (Jussieu)*
*to be confirmed

There will also be scheduled discussion and problem sessions.

*Funding and Sponsors:*
The workshop is co-sponsored by Boston College, the GEAR Network, the HMI
and NSF funding through CAREER Grant DMS-1350396. Funding is available for
graduate students and junior researchers wishing to attend the mini-course
and workshop. A limited amount of funding is also available for both junior
and senior researchers wishing to attend the workshop. If you would like to
request travel support you can do so on the workshop website at
http://www.maths.tcd.ie/~hmi/events/gt/gt2017/register.htm

*Organizing Committee:*
Ian Biringer (Boston College), Noel Brady (Oklahoma), Martin Bridgeman
(Boston College), Martin Bridson (Oxford), Dawei Chen (Boston College),
Brendan Guilfoyle (Tralee), Andreea Nicoara (Trinity College Dublin)

*Workshop website: *http://www.maths.tcd.ie/~hmi/events/gt/gt2017.htm

--94eb2c07ddc82860ca054c729eb7
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

The 13th William Rowan Hamilton Geometry and Topology Workshop
=C2=A0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Augu=
st 22-26, 2017
=C2=A0=C2=A0The Hamilton Mathematics Institute, Trin=
ity College Dublin
=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 on
=C2=A0 =C2=A0=C2=A0Geometry=
 and Dynamics of Moduli Spaces

Sponsors: Boston College, the GEAR Netwo=
rk, the Hamilton Mathematics Institute, and the=C2=A0National Science Found=
ation.

This is the first announcement for the 13th William Rowan H=
amilton=C2=A0Geometry and Topology Workshop to be held at the Hamilton Math=
ematics=C2=A0Institute (HMI), in Trinity College Dublin Ireland. The worksh=
op will consist of a two day mini-course=C2=A0Aug=
ust 22-23, followed=C2=A0by a=C2=A0three day lecture series,=
=C2=A0August 24-26, 2017.

=
This year's topic for the workshop is=C2=A0Geometry and Dynamics of =
Moduli Spaces

Mini-course:
This year=E2=80=99s mini-course will=
 be given by Jayadev Athreya (Seattle) and Elise Goujard (Orsay) on=C2=A0Volumes of moduli spaces of meromorphic differentials.=C2=A0The mini-c=
ourse will run=C2=A0August 22-23=C2=
=A0and consist of a two-day series=C2=A0of lectures and discussions.=C2=A0T=
he target audience is graduate students and junior=C2=A0researchers.<=
div>
Lecture Series:
The lecture series will be=C2=A0August 24-26. Speakers include

Paul Apisa (Chicago) =C2=A0 =C2=A0=
 =C2=A0 =C2=A0
Matt Bainbridge (Indiana) =C2=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0<=
div style=3D"margin:0px;font-family:arial;color:rgb(35,35,35)">Maxime Bourq=
ue (Toronto) =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0
Viveka Erlandsson (Aalto) =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0
Vaibhav Gadre (Glasgow) =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0
Alex Eskin (Chicago)
Sarah Koch (Michigan) =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0
Ania Lenzhen (Rennes) =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0
Ronen Mukamel (Rice)
Kathryn Lindsey (Boston College) =C2=A0 =C2=A0=
=C2=A0
John Smillie (Warwick)
Franco Vargas Pallete (Berkeley) =C2=A0 =C2=A0 =C2=A0 =C2=
=A0
Ka=
sra Rafi (Toronto) =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<=
/div>Anton =
Zorich (Jussieu)*
*to be confirmed

There will also be scheduled discussion and p=
roblem sessions.

Funding and Sponsors:
The workshop is co-sponsored by Boston Col=
lege, the GEAR Network, the HMI and NSF funding through CAREER Grant DMS-13=
50396.=C2=A0Funding is available for graduate students and junior researche=
rs=C2=A0wishing to attend the mini-course and workshop. A limited amount of=
=C2=A0funding is also available for both junior and senior researchers=C2=
=A0wishing to attend the workshop. If you would like to request travel=C2=
=A0support you can do so on the workshop website at=C2=A0http://www.maths.tcd.ie/~hmi/events/gt/gt2017/register.htm<=
/span>

Organizing Committee:
Ian Biringer (Boston College), Noel =
Brady (Oklahoma), Martin Bridgeman (Boston College), Martin Bridson (Oxford=
), Dawei Chen (Boston College), Brendan Guilfoyle (Tralee), Andreea Nicoara=
 (Trinity College Dublin)

W=
orkshop website:=C2=A0http://www.maths.tcd.ie/~h=
mi/events/gt/gt2017.htm



--94eb2c07ddc82860ca054c729eb7--

From owner-mathdep LISTSERV.HEANET.IE  Thu Apr  6 09:01:00 2017
Return-Path: 
Date:         Thu, 6 Apr 2017 09:00:44 +0100
Reply-To:     John Regan 
Sender:       UCD Maths Department Distribution List 
From:         John Regan 
Subject: Maths: CFAR Seminar Series DCU, Tuesday April 11th
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This is a multi-part message in MIME format.
--------------755D6555052BD70AC038C6FC
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Content-Transfer-Encoding: quoted-printable

Centre for Astrophysics & Relativity

www.cfar.ie

Speaker: *Dr. Matt Kenworthy, Leiden University*

Title: *Looking for circumplanetary material around a giant exoplanet=20
with bRing - The beta Pictoris b Ring project*

Abstract:/
/
/In 2007, the 20 million year old pre-main sequence star J1407/
/underwent a complex series of eclipses lasting two months, showing/
/temporal structure down to a timescale of 20 minutes. We interpret/
/this as a giant ring system (some 200 times larger than Saturn's/
/rings) surrounding an unseen secondary companion, J1407b, that is/
/being sculpted by forming exomoons./
/
/
/In mid-2017, the Hill sphere of the young exoplanet orbiting the/
/bright southern hemisphere star beta Pictoris will transit, presenting/
/a unique opportunity to search for Hill sphere filling rings and to/
/perform transmission spectroscopy of the circumplanetary material./
/
/
/I will present our observing campaign for beta Pictoris in 2017,/
/including the first results from our beta Pic b Ring (bRing) cameras/
/that will carry out continuous monitoring of this star throughout the/
/next 14 months./
/
/Date: Tuesday 11th April/

/Location: Lonsdale Building (X Building) Room X130, School of=20
Mathematical Sciences
https://www.dcu.ie/info/campus.shtml

//I hope you can all join us for what will no doubt be a fascinating talk./

/Best,
John/
/

--=20
John Regan

Marie Sklodowska-Curie Fellow
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=
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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


--------------755D6555052BD70AC038C6FC
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    Centre
          for Astrophysics & Relativity 

       
    www.cfar.ie

    
    Speaker: Dr. Matt Kenworthy, Leiden
        University 
    Title: Looking
          for circumplanetary material around a giant exoplanet with
          bRing - The beta Pictoris b Ring project
    Abstract:

        
    
      In 2007, the 20 million year old
            pre-main sequence star J1407
      underwent a complex series of
            eclipses lasting two months, showing
      temporal structure down to a
            timescale of 20 minutes. We interpret
      this as a giant ring system (some
            200 times larger than Saturn's
      rings) surrounding an unseen
            secondary companion, J1407b, that is
      being sculpted by forming exomoons.

      

          
      In mid-2017, the Hill sphere of the
            young exoplanet orbiting the
      bright southern hemisphere star beta
            Pictoris will transit, presenting
      a unique opportunity to search for
            Hill sphere filling rings and to
      perform transmission spectroscopy of
            the circumplanetary material.
      

          
      I will present our observing
            campaign for beta Pictoris in 2017,
      including the first results from our
            beta Pic b Ring (bRing) cameras
      that will carry out continuous
            monitoring of this star throughout the
      next 14 months.
    

     

        Date: Tuesday 11th April=


          

        Location: Lonsdale Building (X
      Building) Room X130, School of Mathematical Sciences

      https://www.dcu.ie/in=
fo/campus.shtml

      

     =
I hope you can all join us for what will no doubt be a
      fascinating talk.

          

        Best,

      John

        

    --=20
John Regan

Marie Sklodowska-Curie Fellow
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=
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 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.







--------------755D6555052BD70AC038C6FC--

From owner-mathdep LISTSERV.HEANET.IE  Thu Apr  6 12:40:32 2017
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Date:         Thu, 6 Apr 2017 12:40:06 +0100
Reply-To:     "Richard M. Timoney" 
Sender:       UCD Maths Department Distribution List 
From:         "Richard M. Timoney" 
Subject: maths: No Analysis seminar next Tuesday 11/4
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This is to let you know that the talks advertised for this coming week
won't go ahead then for various reasons.

Talks for April 18th and 25th will be advertised later.

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

Yours,

Richard

-- 
Richard M. Timoney
		  (richardt maths.tcd.ie)       Tel. +353-1-896 1196
        School of Mathematics, Trinity College, Dublin 2, Ireland
WWW http://www.maths.tcd.ie/~richardt		FAX  +353-1-896 2282

title:: ANALYSIS SEMINAR
content:: Both talks cancelled/postponed
date-time:: Tuesday 11th April  at 3:00pm
location:: UCD  Ag. 1.01
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Fri Apr  7 10:26:09 2017
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Date:         Fri, 7 Apr 2017 10:25:53 +0100
Reply-To:     Sergey Mozgovoy 
Sender:       UCD Maths Department Distribution List 
From:         Sergey Mozgovoy 
Subject: maths: TODAY - Dublin Mathematics Colloquium
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Dublin Mathematics Colloquium

Friday, April 7 at 3:00pm
Salmon Theatre, Hamilton Building, TCD

Speaker: Kobi Kremnitzer (Oxford University)

Title: Constructing geometries

Abstract:
A possible approach to solving certain mathematical problems is to
construct a new geometry which is suitable to the problem. The main
motivating example is the attempt to construct a geometry in which the
integers become a "continuous" object (over the field with one element) as
an approach to solving the Riemann Hypothesis. In this talk I will explain
what do I mean by geometry and different ways of constructing new
geometries. I will also give some examples of applications to number
theory, analytic geometry and quantum field theory.

--94eb2c04316a4e4c18054c9036b1
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<=
div class=3D"gmail_quote">Dublin Mathematics Colloquium
Friday, April 7 at 3:00pm
Salmon Theatre, Ha=
milton Building, TCD

Speaker: Kobi Kremnitzer (Oxford University)
Title: Constructing geometries

Abstract:A possible approach to solving certain mathematical prob=
lems is to construct a new geometry which is suitable to the problem. The m=
ain motivating example is the attempt to construct a geometry in which the =
integers become a "continuous" object (over the field with one el=
ement) as an approach to solving the Riemann Hypothesis. In this talk I wil=
l explain what do I mean by geometry and different ways of constructing new=
 geometries. I will also give some examples of applications to number theor=
y, analytic geometry and quantum field theory.



--94eb2c04316a4e4c18054c9036b1--

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Date:         Fri, 7 Apr 2017 10:28:20 +0000
Reply-To:     Lars Pforte 
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Subject: maths: Colloquium of the Department of Mathematics and Statistics at Maynooth University
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Colloquium of the Department of Mathematics and Statistics at Maynooth Univ=
ersity

Wednesday, 12th April, 4pm in MS 2 in Logic House

Speaker: Prof. Christoforos Neofytidis, University of Binghamton

Title: Aspherical manifolds and maps of non-zero degree

Please find an abstract here .


title:: Maynooth Maths-Stats Colloquium
content:: Prof. Christoforos Neofytidis
:: University of Binghamton
:: presents a talk entitled "Aspherical manifolds and maps of non-zero degr=
ee"
date-time:: April 12, 2017 at 4 p.m.
location:: Maynooth MS2 Logic House
endevent::

-----------------------------------------------
Dr. Lars Pforte
Department of Mathematics & Statistics
Maynooth University
Maynooth
Co. Kildare

Tel: +353 1 708 6544
Fax: +353 1 708 3913


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Colloquium of the Department of Mathematics and Statistics at Maynooth=
 University



Wednesday, 12th April, 4pm in MS 2 in Logic House

  

Speaker: Prof. Christoforos Neofytidis, University of Binghamton



Title: Aspherical manifolds and maps of non-zero degree



Please find an abstract here
 .





title:: Maynooth 
Maths-Stats Colloquium

content:: Prof. Christoforos Neofytidis

:: University of Binghamton

:: presents a talk entitled "Aspherical manifolds and maps of no=
n-zero degree"

date-time:: April 12, 2017 at 4 p.m.

location:: Maynooth MS2 Logic House

endevent::



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

Dr. Lars Pforte

Department of Mathematics & Statistics

Maynooth University

Maynooth

Co. Kildare



Tel: +353 1 708 6544

Fax: +353 1 708 3913 







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From owner-mathdep LISTSERV.HEANET.IE  Fri Apr  7 10:14:20 2017
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From:         Mikael Fremling 
Subject: MU Theoretical Physics Seminar -- Quantum spin liquids and Majorana metals -- Maria Hermanns
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On Tuesday (16:00) next week (11/04-17), Maria Hermanns, University of
Cologne will give a seminar at the department of Theoretical Physics,
Maynooth University.

Title:
Quantum spin liquids and Majorana metals

Abstract:
One of the most intriguing phenomena in strongly correlated systems is the
fractionalization of quantum numbers -- familiar examples include the
spin-charge separation in one-dimensional metallic systems, the
fractionalization of the electron in fractional quantum Hall states or the
emergence of monopoles in spin ice.

In this talk, I will discuss the fractionalization of magnetic moments in
spin-orbit entangled j=1/2 Mott insulators, in which the emergent degrees
of freedom are Majorana fermions. The latter form metallic states whose
precise character intimately depends on the underlying lattice structure.
The origin of such dichotomous states is elucidated by a family of exactly
solvable Kitaev-type models of frustrated quantum magnets in three
dimensions, which might be realized in a class of recently synthesized
Iridate compounds. In particular, these models provide the first analytical
tractable examples of long sought-after quantum spin liquids with a spinon
Fermi surface and even an entire new class of quantum spin liquids --
so-called Weyl spin liquids, in which the fractionalized degrees of freedom
form a topological Weyl-superconductor.

Place: Hall A - Arts Building - Maynooth University, North Campus

Hope to see you there!

Mikael Fremling
Department of Theoretical Physics
Maynooth University

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

title:: MU Theoretical Physics Seminar
content::  Maria Hermanns (University of Cologne)  will speak on Quantum
spin liquids and Majorana metals.
date-time:: 11nd April 2017 at 16:00
location:: Hall A - Arts Building - Maynooth University, North Campus

--001a114e3302deefe9054c900b7c
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On Tuesday (16:00) next week (11/04-17), Maria Hermanns, U=
niversity of Cologne will give a seminar at the department of Theoretical P=
hysics, Maynooth University.

Title:
Quantum spin liquids and Majo=
rana metals

Abstract:
One of the most intriguing phenomena in str=
ongly correlated systems is the fractionalization of quantum numbers -- fam=
iliar examples include the spin-charge separation in one-dimensional metall=
ic systems, the fractionalization of the electron in fractional quantum Hal=
l states or the emergence of monopoles in spin ice.

In this talk, I =
will discuss the fractionalization of magnetic moments in spin-orbit entang=
led j=3D1/2 Mott insulators, in which the emergent degrees of freedom are M=
ajorana fermions. The latter form metallic states whose precise character i=
ntimately depends on the underlying lattice structure.
The origin of suc=
h dichotomous states is elucidated by a family of exactly solvable Kitaev-t=
ype models of frustrated quantum magnets in three dimensions, which might b=
e realized in a class of recently synthesized Iridate compounds. In particu=
lar, these models provide the first analytical tractable examples of long s=
ought-after quantum spin liquids with a spinon Fermi surface and even an en=
tire new class of quantum spin liquids -- so-called Weyl spin liquids, in w=
hich the fractionalized degrees of freedom form a topological Weyl-supercon=
ductor.

Place: Hall A - Arts Building - Maynooth University, North C=
ampus

Hope to see you there!

Mikael Fremling
Department of=
 Theoretical Physics
Maynooth University

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

title:: MU Theoretical Physics Seminar
content::=C2=A0 Maria H=
ermanns (University of Cologne)=C2=A0 will speak on Quantum spin liquids an=
d Majorana metals.
date-time:: 11nd April 2017 at 16:00
location:: Ha=
ll A - Arts Building - Maynooth University, North Campus




--001a114e3302deefe9054c900b7c--

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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: Clement Dupont (Montpellier)

Title: Linear forms in zeta values, and mixed Tate motives

Abstract: In order to study the diophantine properties of the values of the Riemann zeta functions at integers, one often needs to produce integrals that evaluate to linear forms in zeta values with rational coefficients. This is in particular the case in Beukers’s proof of Apéry’s theorem on zeta(3) or in Ball and Rivoal’s proof that infinitely many odd zeta values are irrational. In this talk, we will follow a program initiated by Brown which aims at explaining and producing such linear forms by means of algebraic geometry. More precisely, we will study a family of mixed Tate motives which underlies a family of integrals generalizing Ball and Rivoal's. In particular, the explicit computation of their period matrices gives integral formulas for the coefficients of the linear forms.

Date: Thursday, April 20, 2017
Time: 2:00pm
Location: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01

title:: UCD Algebra and Number Theory Seminar
content:: Clement Dupont (Montpellier) will speak on
:: Linear forms in zeta values, and mixed Tate motives
date-time:: Thursday, April 20, 2017 at 2:00pm
location:: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01
endevent::

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Subject: maths: UCD Algebra and Number Theory Seminar
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UCD Algebra and Number Theory Seminar

Speaker: Helena Smigoc (UCD)

Title: From positive matrices to positive polynomial coefficients

Abstract: The nonnegative inverse eigenvalue problem, the problem of characterising all lists of eigenvalues of entry-wise nonnegative matrices, motivated the construction of matrices with nonnegative entries and a given set of eigenvalues. Constructions based on companion matrices proved one of the most fruitful approaches to this problem. We will review several different companion-type constructions, and learn about some extensions of classical results on the roots of polynomials developed in the process. The talk concludes with some related results on the coefficients of power series.

Date: Thursday, April 27, 2017
Time: 2:00pm
Location: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01

title:: UCD Algebra and Number Theory Seminar
content:: Helena Smigoc (UCD) will speak on
:: From positive matrices to positive polynomial coefficients
date-time:: Thursday, April 27, 2017 at 2:00pm
location:: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01
endevent::

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UCD Algebra and Number Theory Seminar

Speaker: Roozbeh Hazrat (Western Sydney University)

Title: Leavitt path algebras

Abstract: From a directed graph one can generate an algebra which captures the movements along the graph. One such algebras are Leavitt path algebras. Despite being introduced only 10 years ago, Leavitt path algebras have arisen in a variety of different contexts as diverse as analysis, symbolic dynamics, noncommutative geometry and representation theory. In fact, Leavitt path algebras are algebraic counterpart to graph C*-algebras, a theory which has become an area of intensive research globally. There are strikingly parallel similarities between these two theories. Even more surprisingly, one cannot (yet) obtain the results in one theory as a consequence of the other; the statements look the same, however the techniques to prove them are quite different (as the names suggest, one uses Algebra and other Analysis). These all suggest that there might be a bridge between Algebra and Analysis yet to be uncovered. In this talk, we introduce Leavitt path algebras and try to classify them by means of (graded) Grothendieck groups. We will ask nice questions!

Date: Thursday, May 11, 2017
Time: 2:00pm
Location: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01

title:: UCD Algebra and Number Theory Seminar
content:: Roozbeh Hazrat (Western Sydney University) will speak on
:: Leavitt path algebras
date-time:: Thursday, May 11, 2017 at 2:00pm
location:: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 10 09:21:38 2017
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Reply-To:     "Peg.Hanrahan" 
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From:         "Peg.Hanrahan" 
Subject: MATHS:Seminar title:  Calling Dunbar's Numbers Univrsity of Limerick
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--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F8A21A6E5exMbx3ulcampus_
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The department of Mathematics and Statistics at the University of Limerick =
invites you to a seminar by Dr P=E1draig Mac Carron, Experimental Psycholog=
y, Oxford

Title:  Calling Dunbar's Numbers

Abstract: The social brain hypothesis predicts that humans have an average =
of about 150 relationships at any given time. Within this 150, there are la=
yers of friends of an ego, where the number of friends in a layer increases=
 as the emotional closeness decreases. Here we use mobile phone records fro=
m a European country in 2007 to test for this layered structure. We find ev=
idence for layered structure and propose a very simple model to explain thi=
s observation. We also analyse the properties of the overall social network=
.

This seminar will take place on Thursday 13th April , at 2pm, in  Room A2-0=
02.

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
[Description: Description: cid:image001.jpg 01CC09AD.723BB6D0][cid:03D117D6=
-BE41-4784-9A7D-A4A5604055F3]





--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F8A21A6E5exMbx3ulcampus_
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The department of Mathematics and Statistic=
s at the University of Limerick invites you to a seminar by Dr
P=E1draig Mac Carron, Experimental Psychology, =
Oxford
 
Title:=
 
Calling Dunbar's Numbers
&nbs=
p;
Abstra=
ct:
The social brain hypothesis predicts that human=
s have an average of about 150 relationships at any given time. Within this=
 150, there are layers of friends of an ego, where the number of friends in=
 a layer increases as the emotional
 closeness decreases. Here we use mobile phone records from a European coun=
try in 2007 to test for this layered structure. We find evidence for layere=
d structure and propose a very simple model to explain this observation. We=
 also analyse the properties of
 the overall social network.
&nbs=
p;
This seminar will take place
on
Thursday 13^th April , at 2pm, in  Room A2-002.
 
If you have any questions regar=
ding this seminar, please direct them to Iain Moyles (061
 233726, iain.moyles ul.ie).

A full list of upcoming seminar=
s can be found at
http://www.ulsites.ul.ie/macsi/node/4801=
1
 
-------------------------------=
---------------------------------------------
Supported by Science Foundation=
 Ireland 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


 
 
         =
;
 




--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F8A21A6E5exMbx3ulcampus_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 10 09:40:39 2017
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Date:         Mon, 10 Apr 2017 08:40:23 +0000
Reply-To:     Ciaran Mac an Bhaird 
Sender:       UCD Maths Department Distribution List 
From:         Ciaran Mac an Bhaird 
Subject: Maths: Second Annual Huxley Lecture on the History of Mathematics
To:           MATHDEP LISTSERV.HEANET.IE
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Dear all,


The Department of Mathematics and Statistics have the pleasure in announcin=
g the second annual Huxley Lecture on the History of Mathematics by the res=
pected international expert, Professor Annette Imhausen from the Goethe Uni=
versity, Frankfurt, on Monday 24th of April at 6pm (Renehan Hall).

Title: 'Mathematics and "Mathematicians" in ancient Egypt'.

Prior to the talk, there will be a guided tour of our old Mathematical text=
s in the Russell Library. This starts at 5:15pm sharp. Further details are =
available at https://www.maynoothuniversity.ie/mathematics-and-statistics/h=
uxley-lecture-history-mathematics

Le meas,

Ciar=E1n


title:: Huxley Lecture on the History of Mathematics
content:: Professor Annette Imhausen
::  Maynooth University
:: presents a talk on Mathematics and "Mathematicians" in ancient Egypt
date-time:: April 24 2017 at 6 p.m.
location:: Maynooth, Renehan Hall, South Campus
endevent::


Dr. Ciar=E1n Mac an Bhaird


Lecturer and MSC Manager


Department of Mathematics and Statistics


Maynooth University


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


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


--_000_DB6PR0202MB283779EE00469A0F5925C22F8B010DB6PR0202MB2837_
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Dear all,





The Department of Mathematics and Statistics have=
 the pleasure in announcing the second annual Huxley Lecture on
 the History of Mathematics by the respected international expert, Professo=
r Annette Imhausen from the Go=
ethe University, Frankfurt,
 on Monday 24th of April at 6pm (Renehan Hall). 






Title: 'Mathematics and "Mathematicians"=
; in ancient Egypt'.

 




Prior to the talk=
, there will be a guided tour of our old Mathematical
 texts in the Russell Library. This starts at 5:15pm sharp. Further de=
tails are available at https://www.maynoothuniversity.ie/mathematics-and-=
statistics/=
huxley<=
/font>-lecture-history-mathematics




 


<=
span style=3D"font-size: 12pt;">Le meas,



<=
span style=3D"font-size: 12pt;">Ciar=E1n





title:: Huxley Lec=
ture on the History of Mathematics

content::
Professor Annette Imhausen

::  Maynooth =
University 

:: presents a talk=
 on 
Mathematics and "Mathematicians" in ancient Egypt
date-time:: April =
24 2017 at 6 p.m.

location:: Maynoot=
h, Renehan Hall, South Campus

endevent::<=
br>






Dr. Ciar=E1n Mac an Bhaird



Lecturer and MSC Manager



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 owner-mathdep LISTSERV.HEANET.IE  Mon Apr 10 13:15:44 2017
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References: <268817BC53641D46A5221B6379D514918A85A9D4 exMbx3.ul.campus>,<268817BC53641D46A5221B6379D514918A8609EC exMbx3.ul.campus>
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Date:         Mon, 10 Apr 2017 12:15:28 +0000
Reply-To:     "Romina.Gaburro" 
Sender:       UCD Maths Department Distribution List 
From:         "Romina.Gaburro" 
Subject: Maths: MSc in Mathematical Modelling - University of Limerick (Academic year 2017/18) - First deadline for applications 30 April 2017
To:           MATHDEP LISTSERV.HEANET.IE
In-Reply-To:  <268817BC53641D46A5221B6379D514918A8609EC exMbx3.ul.campus>
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                                                                           =
               MSc in Mathematical Modelling



The University of Limerick  is pleased to invite applications for the  Mast=
er=92s course in Mathematical Modelling for the academic year 2017/18. The =
MSc is run by the Department of Mathematics and Statistics in association w=
ith MACSI, the Mathematics Applications Consortium for Science and Industry=
 centred in UL.
MACSI is a network of mathematical modellers and scientific computational a=
nalysts based in Ireland, with centre in the Department of Mathematics and =
Statistics at the University of Limerick and it is funded by Science Founda=
tion Ireland since 2006 (see ). Research in the Dep=
artment, and in MACSI, focuses on applied mathematical modelling, and in pa=
rticular there is a strong interest in numerical analysis, fluid mechanics,=
 industrial applied mathematics, geoscience, inverse problems and imaging s=
cience, commerce and life sciences.



General Introduction of the MSc

The MSc seeks to provide a training in techniques of applied mathematics, a=
nd focuses largely on mathematical models of real world processes, their fo=
rmulation in terms of differential equations, and methods of solutions, bot=
h numerical and analytical, of the models. There is an emphasis on practica=
l problems which arise in industry, commerce, medicine, as well as the envi=
ronmental and life sciences: areas which underpin the MACSI research progra=
mme. The course directors are Prof. Andrew Fowler and Prof. James Gleeson.
A number of scholarships to cover Stipend and EU fees, will be awarded to c=
ompetitive applicants (the deadline for applications is the 30th April 2017=
).



How to apply

To apply for the MSc please visit www.graduateschool.ul.ie  and follow the links Gra=
duate Programmes/Taught Programmes/Science and Engineering/Mathematical Mod=
elling MSc. You will find a list of the required documents and instructions=
 on how to submit these online.
Applicants must provide a curriculum vitae, two academic references and a l=
etter of application.
First deadline for applications: 30th of April 2017
Second deadline for applications: 30th of July 2017



Programme Structure of the MSc

Two semesters of course work will be followed by the preparation of a disse=
rtation over the summer months (May to August) under close supervision. The=
 dissertation will be at research level, and will often (though not inevita=
bly) be on a problem which arises through MACSI=92s connections with indust=
ry. The course work will comprise both a mandatory core, and a suite of opt=
ional courses, from which the student can choose. For further information o=
n the MSc and a detailed list of mandatory and optional courses please visi=
t  or contact the Director for Postgraduate Studies=
 in Mathematics Dr. Romina Gaburro (romina.gaburro ul.ie). We are always pleased to talk to prospective graduate students=
.




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_268817BC53641D46A5221B6379D514918A867D59exMbx3ulcampus_
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          &nb=
sp;                     &=
nbsp;                    =
                     &nbs=
p;        &=
nbsp;    
 MSc
 in Mathematical Modelling



 

 

 

The University of Limerick
 is pleased to invite app=
lications for the 
Master=92s course in Mathematical Modelling<=
/u> for the academic year 2017<=
span style=3D"font-family:"Times New Roman","serif"; co=
lor:black">/18.
 The MSc is run by the Department of Mathematics and Statistics in a=
ssociation with MACSI, the Mathematics Applications Consortium for S=
cience and Industry centred in UL.


MACSI is a network of mathemati=
cal modellers and scientific computational analysts based in Ireland, with =
centre
 in the Department of Mathematics and Statistics at the University of Limerick and it is funded by
Science Foundation Ireland since 2006 (see <=
http://www.macsi.ul.ie=
>).
 Research in the Department, and in MACSI, focuses on applied mathematical =
modelling, and in particular there is a strong interest in numerical analys=
is, fluid mechanics, industrial applied mathematics, geoscience, inverse pr=
oblems and imaging science, commerce
 and life sciences.

 

 

 

General Introduction of t=
he MSc

 

The
MSc seeks to provide a training in techniques of applied mathem=
atics,
 and focuses
largely on mathematical models of real=
 world processes, their formulation in terms of differential equations, and=
 methods of solutions, both numerical and analytical,
 of the models. There is
an
emphasis on practical problems which arise in industry, commerce, medici=
ne, 
as well as the environmental and life sciences:
areas which underpin the MACSI res=
earch programme. The course directors are Prof. Andrew Fowler and Prof. Jam=
es Gleeson.

A number of scholarships to cover St=
ipend and EU fees, will be awarded to competitive applicants (the
deadline for applications is the 30^th April 2017).

 

 

 

How to apply

 

To apply for the MSc please visit
www.graduateschool.ul.ie <http://www.graduateschool.ul.ie><=
/u>
 and follow the links Graduate Programmes/Taught Programmes/Science and Eng=
ineering/Mathematical Modelling MSc. You will find a list of the required d=
ocuments and instructions on how to submit these online.


Applicants must provide a curriculum vitae, two academic ref=
erences and a letter of application.=


First deadline for applications: 30^th of April 2017

Second deadline for applications: 30^th of July 2017

 

 

 

Programme Structure of th=
e MSc

 

Two semesters of course work will be followed by the preparatio=
n of a dissertation over the summer months (May to August) under close supe=
rvision. The dissertation will be at research level, and
 will often (though not inevitably) be on a problem which arises through MA=
CSI=92s connections with industry. The course work will comprise both a man=
datory core, and a suite of optional courses, from which the student can ch=
oose. For further information on the
 MSc and a detailed list of mandatory and=
 optional courses
please visit
<http://www.macsi.ul.ie> or contact the Dir=
ector for Postgraduate
 Studies in Mathematics Dr. Romina Gaburro (romina.gaburro ul.ie).
 We are always pleased to talk to prospective graduate students. 

 

 

 

 

Dr. Romina Gaburro<=
/p>

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_268817BC53641D46A5221B6379D514918A867D59exMbx3ulcampus_--

From owner-mathdep LISTSERV.HEANET.IE  Tue Apr 11 09:29:27 2017
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Date:         Tue, 11 Apr 2017 08:29:11 +0000
Reply-To:     "Madden, Niall" 
Sender:       UCD Maths Department Distribution List 
From:         "Madden, Niall" 
Subject: maths: Modelling Workshop at NUI Galway, 6 - 9 June, 2017
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The School of Mathematics, Statistics and Applied Mathematics at NUI Galway=
 is hosting a four day Modelling Workshop from June 6th to 9th.


Participants will take part in team-based modelling of real-world, industry=
-driven problems, supported with training and small group study sessions. M=
entoring will be provided by experienced researchers.


The workshop is primarily aimed at postgraduate and early career researcher=
s with a scientific or engineering background. Funding will be provided by =
the MI-NET, Mathematics for Industry Network to sup=
port their participation.


Participation by undergraduate students is also welcome, with some limited =
funding provided by the School of Mathematics, Statistics and Applied Mathe=
matics.


The workshop participants will work in small groups on problems posed by in=
dustry partners. Current problems being considered include

  *   Optimising rainfall radar system for a meteorological service;
  *   Simulating river flows;
  *   Modelling medical devices.

The workshop will also feature sessions on developing skills in scientific =
computing, and presentation and communication skills.


General queries relating to the workshop should be directed to Niall.Madden=
 NUIGalway.ie.

Registration is free, but is required.

The workshop takes place one week before the European Study Group with Indu=
stry 128, organised by MACSI at the Uni=
versity of Limerick. The modelling week will be an excellent preparation fo=
r ESGI128.

For details, please see
http://www.maths.nuigalway.ie/~niall/ModellingWorkshop17/

Regards,
Niall.

Dr Niall Madden,
School of Mathematics, Statistics and Applied Mathematics,
National University of Ireland, Galway.
web: http://www.maths.nuigalway.ie/~niall

--_000_DB5PR01MB147833941A514429C6750454E0010DB5PR01MB1478eurp_
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The School of Mathematics, Statistics and Applied Mathematics at NUI Gal=
way is hosting a four day Modelling Workshop from June 6th to 9th.






Participants will take part in team-based modelling of real-world, indus=
try-driven problems, supported with training and small group study sessions=
. Mentoring will be provided by experienced researchers.






The workshop is primarily aimed at postgraduate and early career researc=
hers with a scientific or engineering background. Funding will be provided =
by the
MI-NET, Mathematics for Industry Net=
work to support their participation.



Participation by undergraduate students is also welcome, with some limit=
ed funding provided by the School of Mathematics, Statistics and Applied Ma=
thematics.



The workshop participants will work in small groups on problems posed by=
 industry partners. Current problems being considered include


Optimising rainfall radar system for a meteorological service;
=
Simulating river flows;
Modelling medical devices.
The workshop will also feature sessions on developing skills in scientif=
ic computing, and presentation and communication skills.



General queries relating to the workshop should be directed to 
Niall.Madden NUIGalway.ie. 
Registration is free, but is required. 



The workshop takes place one week before the 
European Study Group with Industry 128, organised by MACSI at the Unive=
rsity of Limerick. The modelling week will be an excellent preparation for =
ESGI128.


For details, please see 

http://www.math=
s.nuigalway.ie/~niall/ModellingWorkshop17/



Regards,

Niall.






Dr Niall Madden,
School of Mathematics, Statistic=
s and Applied Mathematics,
National University of Ireland, =
Galway.
web: http://www.maths.nuigalway.=
ie/~niall






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From owner-mathdep LISTSERV.HEANET.IE  Tue Apr 11 12:11:22 2017
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Date:         Tue, 11 Apr 2017 11:11:10 +0000
Reply-To:     "Peg.Hanrahan" 
Sender:       UCD Maths Department Distribution List 
From:         "Peg.Hanrahan" 
Subject: Maths: Problem Solving With Industry ESGI 128 Announcement  11th - 16th June 2017 University of Limerick
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Content::

Apologies for multiple postings
Problem Solving With Industry ESGI 128
11th June -16th June, MACSI, University of Limerick, Ireland
Following the success of previous study groups held in Ireland, the Mathema=
tics Applications Consortium for Science and Industry, based at the Univers=
ity of Limerick, is pleased to host the 128th European Study Group with Ind=
ustry.
For further information and to register please see: http://ulsites.ul.ie/ma=
csi/esgi128 or contact peg.hanrahan ul.ie
Full-board accommodation will be provided to all participants on campus.  T=
he University of Limerick is easily accessible with Shannon Airport just a =
thirty-minute taxi ride from the campus.

Modelling Workshop 6th June -9th June NUI Galway


[http://www.maths.nuigalway.ie/%7Eniall/ModellingWorkshop17/Stokes.png]

NUI Galway  ar=
e hosting a  four-day modelling workshop the week before ESGI128 from Tues =
June 6th to Fri 9th supported by the MINET Cost Action. This training workshop is primarily aimed at postgraduate and early c=
areer researchers with a scientific or engineering background.  Participant=
s will take part in team-based modelling of real-world, industry-driven pro=
blems.  More information and registration available here.

On behalf of the organising committee,

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]




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Content::
 
Apologies for multiple posti=
ngs
Problem Solving With Indu=
stry ESGI 128
11^th June R=
11;16^th June, MACSI, University of Limerick,
 Ireland
Following the success of previous study group=
s held in Ireland, the Mathematics Applications Consortium
 for Science and Industry, based at the University of Limerick, is pleased =
to host the 128^th European Study Group with Industry.
For further information and to register pleas=
e see:
http://ulsites.ul.ie/macsi/esgi128
or contact
peg.hanrahan ul.ie
Full-board accommodation will be provided to =
all participants on campus.  The University of Limerick
 is easily accessible with Shannon Airport just a thirty-minute taxi ride f=
rom the campus. 
 
Modelling Workshop 6^th June -9<=
sup>th June NUI Galway
 

=
NUI Galway
are hosting a  four-day modelling workshop the week before ESGI128=
 from Tues June 6th to Fri 9th supported by the
MINET Cost Action. This t=
raining workshop is primarily aimed at postgraduate and early career resear=
chers with a scientific or engineering background.  Participants =
will take part in team-based modelling of real-world,
 industry-driven problems.  More information and registration available h=
ere.
&nbs=
p;
On behalf of the organising committee,=
 
 
Peg Hanrahan

MACSI Administrator

Department of Mathematics & Statistics

University of Limerick

Telephone: 353 61 213013

e-mail peg.=
hanrahan ul.ie


 
&nbs=
p;
 




--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F8A21B07CexMbx3ulcampus_--

From owner-mathdep LISTSERV.HEANET.IE  Tue Apr 11 20:29:18 2017
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Date:         Tue, 11 Apr 2017 20:28:55 +0100
Reply-To:     "Richard M. Timoney" 
Sender:       UCD Maths Department Distribution List 
From:         "Richard M. Timoney" 
Subject: maths: Analysis seminars
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                    ANALYSIS SEMINAR


Tuesday 18th April  at 3:00pm  (place: UCD  Ag. 1.01 )

Speaker: J. Buckley (IMS Madrid; KCL) 
Title: On the number of nodal domains of toral eigenfunctions 

Tuesday 18th April  at 4:15pm  (place: UCD  Ag. 1.01 )

Speaker: A. T\"ornquist (Copenhagen) 
Title: Fraisse theory: The Poulsen simplex and other examples 

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

Tuesday 25th April, 2017  at 4.15pm  (place: UCD  Ag 1.01 )

Speaker: M. Golitsyna 
Title: Sequences of real-rooted polynomials that converge in three points
and the Laguerre-Polya class 



______________________________
C. Boyd , R. Timoney .

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



Lines for mathdep web calendar entry:

title:: ANALYSIS SEMINAR
content:: J. Buckley (IMS Madrid; KCL)  will speak on
::  On the number of nodal domains of toral eigenfunctions 
date-time:: Tuesday 18th April  at 3:00pm 
location:: UCD  Ag. 1.01 
endevent::

title:: ANALYSIS SEMINAR
content:: A. T\"ornquist (Copenhagen)  will speak on
::  Fraisse theory: The Poulsen simplex and other examples 
date-time:: Tuesday 18th April  at 4:15pm 
location:: UCD  Ag. 1.01 
endevent::

title:: ANALYSIS SEMINAR
content:: M. Golitsyna  will speak on
::  Sequences of real-rooted polynomials that converge in three points
and the Laguerre-Polya class 
date-time:: Tuesday 25th April, 2017  at 4.15pm 
location:: UCD  Ag 1.01 
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Tue Apr 18 09:47:25 2017
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Date:         Tue, 18 Apr 2017 08:47:07 +0000
Reply-To:     "Peg.Hanrahan" 
Sender:       UCD Maths Department Distribution List 
From:         "Peg.Hanrahan" 
Subject: MATHS: Seminar: Phase change at the nanoscale - University of Limerick
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Content::



[Description: Description: Description: Description: cid:image001.jpg 01CC0=
9AD.723BB6D0]

MACSI


The department of Mathematics and Statistics at the University of Limerick =
invites you to a seminar by Prof. Tim Myers (Centre de Recerca Matem=E0tica=
):

Title:  Phase change at the nanoscale

Abstract: The basis of nanotechnology is the nanoparticle (NP), a unit of m=
atter with a critical diameter between 1 and 100nm. Nanoparticles are curre=
ntly used in a diverse range of applications, including: medicine (as synth=
etic skin, antioxidants, targeted delivery of drugs); manufacturing (flexib=
le screens, packaging, fabrics); environment (breaking down oil, catalysts)=
; energy (in fuel cells, batteries, solar cells) etc. In many of these appl=
ications the particles are exposed to high temperatures and so it is import=
ant to understand their response to a harsh thermal environment. The theory=
 of phase change at the macroscale is well established, however, as the len=
gth-scale decreases the physical process starts to exhibit unusual behaviou=
r. One reason for the change in behaviour is that nanoparticles have a very=
 large ratio of surface to volume atoms and so surface properties rather th=
an bulk properties dominate. This results in a mathematical description tha=
t differs significantly from that at the macroscale. In this talk we will d=
iscuss various issues that arise when modelling phase change at the nanosca=
le: 1) We present a novel formulation for the Stefan problem that reflects =
the fact material properties, such as latent heat and melt temperature, are=
 size dependent. 2) A standard simplification is to study the one-phase pro=
blem, where one of the phases is set to the phase change temperature. When =
the phase change temperature varies this formulation loses energy. 3) Exper=
iments at the nanoscale demonstrate that the well-known heat equation, base=
d on Fourier's law no longer holds. More complex models, which exhibit heat=
 waves must then be considered.


This seminar will take place on Friday , April 21st , at 4pm, in  Room A2-0=
02.

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
[Description: Description: cid:image001.jpg 01CC09AD.723BB6D0][cid:03D117D6=
-BE41-4784-9A7D-A4A5604055F3]




--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F8A21D3B6exMbx3ulcampus_
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Content:: <=
/span>
 
 
 

 
MACSI=

 
 
The department of Mathematics and Statistic=
s at the University of Limerick invites you to a seminar by Prof.
 Tim Myers (Centre de Recerca Matem=E0tica):
 
Title:=
 
Phase change at the nanos=
cale
&nbs=
p;
Abstra=
ct: The basis of nano=
technology
 is the nanoparticle (NP), a unit of matter with a critical diameter betwee=
n 1 and 100nm. Nanoparticles are currently used in a diverse range of appli=
cations, including: medicine (as synthetic skin, antioxidants, targeted del=
ivery of drugs); manufacturing (flexible
 screens, packaging, fabrics); environment (breaking down oil, catalysts); =
energy (in fuel cells, batteries, solar cells) etc. In many of these applic=
ations the particles are exposed to high temperatures and so it is importan=
t to understand their response to
 a harsh thermal environment. The theory of phase change at the macroscale =
is well established, however, as the length-scale decreases the physical pr=
ocess starts to exhibit unusual behaviour. One reason for the change in beh=
aviour is that nanoparticles have
 a very large ratio of surface to volume atoms and so surface properties ra=
ther than bulk properties dominate. This results in a mathematical descript=
ion that differs significantly from that at the macroscale. In this talk we=
 will discuss various issues that
 arise when modelling phase change at the nanoscale: 1) We present a novel =
formulation for the Stefan problem that reflects the fact material properti=
es, such as latent heat and melt temperature, are size dependent. 2) A stan=
dard simplification is to study
 the one-phase problem, where one of the phases is set to the phase change =
temperature. When the phase change temperature varies this formulation lose=
s energy. 3) Experiments at the nanoscale demonstrate that the well-known h=
eat equation, based on Fourier's
 law no longer holds. More complex models, which exhibit heat waves must th=
en be considered.
&nbs=
p;
&nbs=
p;
This seminar will take place on=
 Friday , April 21^st , at 4pm, in  Room A2-002.=

 
If you have any questions regar=
ding this seminar, please direct them to Iain Moyles (061
 233726, iain.moyles ul.ie).

A full list of upcoming seminar=
s can be found at
http://www.ulsites.ul.ie/macsi/node/4801=
1
 
-------------------------------=
---------------------------------------------
Supported by Science Foundation=
 Ireland 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


 
  
 




--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F8A21D3B6exMbx3ulcampus_--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr 19 15:48:53 2017
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Date:         Wed, 19 Apr 2017 15:48:37 +0100
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From:         smigoc 
Subject: maths: Mini Course: Introduction to Semirings
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The School of Mathematics and Statistics, University College Dublin, is 
organising a three-day mini course Introduction to Semirings and their 
Applications given by Professor Polona Oblak from University of 
Ljubljana.

Dates: May 3 - May 5
Time: 10:00 - 13:00 (10:00 - 12:00: Lectures, 12:00 - 13:00: Discussion 
session)
Location: S1.67, Science South, University College Dublin

The goal of this course is to introduce semirings, and to highlight how 
they can be used to approach diverse problems. This algebraic structure 
has properties that are quite different from most classical algebraic 
structures, since the existence of additive inverses cannot be assumed. 
They have been an area of active research in the last few decades not 
only in mathematics, but also in computer science, as a particular class 
of canonically ordered semirings (also called dioids) comes naturally 
into play in connection with algebraic models for many problems 
including scheduling, network analysis, pathfinding problems in graphs, 
hierarchical clustering and parsing.


Some topics:

- Semirings. Examples. Properties. Dioids.
- Quasi-inverse of a matrix.
- Algorithms for solving linear systems over dioids.
- Invertibility and ranks of matrices.

The School is aimed at postgraduate students and young researchers, as 
well as higher level undergraduate students of mathematics and computer 
science with an interest in algebraic structures, and their 
applications. Only very basic mathematical background is required.

From owner-mathdep LISTSERV.HEANET.IE  Thu Apr 20 11:43:22 2017
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Date:         Thu, 20 Apr 2017 11:42:26 +0100
Reply-To:     Steve Buckley 
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From:         Steve Buckley 
Subject: maths: permanent lectureship in mathematics
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--001a114565926c9abf054d96cef5
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*Permanent Lecturer/Assistant Lecturer position in Mathematics*

Full-time permanent position at Maynooth University, beginning September
2017. Application deadline: midnight, 21 May 2017. We intend to conduct
interviews during the week of 19-23 June 2017.

Further information can be found at
https://www.maynoothuniversity.ie/human-resources/vacancies/lecturer-mathematics-department-mathematics-statistics

--001a114565926c9abf054d96cef5
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Permanent Lecturer/Assistant =
Lecturer position in Mathematics
Full-time permanent position at Maynooth University, beginning September 2=
017. Application deadline: midnight, 21 May 2017. We intend to conduct inte=
rviews during the week of 19-23 June 2017.

Further information can be found=C2=A0at
https://www.m=
aynoothuniversity.ie/human-resources/vacancies/lecturer-mathematics-departm=
ent-mathematics-statistics


--001a114565926c9abf054d96cef5--

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Date:         Fri, 21 Apr 2017 11:04:41 +0000
Reply-To:     Lars Pforte 
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Subject: maths: Colloquium of the Department of Mathematics and Statistics at Maynooth University
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Colloquium of the Department of Mathematics and Statistics at Maynooth Univ=
ersity

Wednesday, 26th April, 4pm in MS 2 in Logic House

Speaker: Prof. Ken Duffy, Hamilton Institute, Maynooth University

Title: DNA coded randomized algorithms

Please find an abstract here .

All welcome.

title:: Maynooth Maths-Stats Colloquium
content:: Prof. Ken Duffy
:: Hamilton Institute, Maynooth University
:: presents a talk entitled "DNA coded randomized algorithms"
date-time:: April 26, 2017 at 4 p.m.
location:: Maynooth MS2 Logic House
endevent::

-----------------------------------------------
Dr. Lars Pforte
Department of Mathematics & Statistics
Maynooth University
Maynooth
Co. Kildare

Tel: +353 1 708 6544
Fax: +353 1 708 3913


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Colloquium of the Department of Mathematics and Statistics at Maynooth=
 University



Wednesday, 26th April, 4pm in MS 2 in Logic House

  

Speaker: Prof. Ken Duffy, Hamilton Institute, Maynooth University



Title: DNA coded randomized algorithms



Please find an abstract here .



All welcome.



title:: Maynooth 
Maths-Stats Colloquium

content:: Prof. Ken Duffy

:: Hamilton Institute, Maynooth University

:: presents a talk entitled "DNA coded randomized algorithms"

date-time:: April 26, 2017 at 4 p.m.

location:: Maynooth MS2 Logic House

endevent::



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

Dr. Lars Pforte

Department of Mathematics & Statistics

Maynooth University

Maynooth

Co. Kildare



Tel: +353 1 708 6544

Fax: +353 1 708 3913 







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From owner-mathdep LISTSERV.HEANET.IE  Fri Apr 21 13:10:39 2017
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Date:         Fri, 21 Apr 2017 12:10:22 +0000
Reply-To:     "Quinlan, Rachel" 
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Subject: maths: two-year fixed-term lectureship in Mathematics at NUI Galway
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Dear All,
The School of Mathematics, Statistics and Applied Mathematics at NUI Galway is seeking to recruit a lecturer in Mathematics for the period September 1st 2017 to August 31 2019. The closing date for applications is May 18th. Details of the job description and the application procedure can be found under "academic vacancies" at https://www.nuigalway.ie/about-us/jobs/
Please share this information with anyone who might be interested.

Best regards,
Rachel Quinlan.



Dr Rachel Quinlan
Head of School
School of Mathematics, Statistics and Applied Mathematics
National University of Ireland, Galway
Phone 091 493796
http://www.maths.nuigalway.ie/~rquinlan

From owner-mathdep LISTSERV.HEANET.IE  Fri Apr 21 14:45:49 2017
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Subject: Maths: CFAR Seminar Series, DCU, Wednesday 26.04   14.30
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--------------EE9F5D29B63966862E6CDE72
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Centre for Astrophysics & Relativity

www.cfar.ie

Speaker: *Dr. John Regan*

Title: *Rapid Formation of Black Holes in the First Billion Years
*

Abstract:/
//The observation of massive black holes a billion times the mass of the=20
sun less than 1 billion years after the big bang can not be explained by=20
our current structure formation paradigm. Here I will outline an=20
alternative mechanism where super-massive stars are a natural=20
consequence of early radiation bursts from the first galaxies.=20
Super-massive stars provide the ideal progenitors for the massive black=20
holes powering quasars at high redshift./
/
/Date: Wednesday 26th April//  14.30/

/Location: Lonsdale Building (X Building) Room X130, School of=20
Mathematical Sciences
https://www.dcu.ie/info/campus.shtml
///
*Streaming:
We are also planning on streaming most (probably all) CFAR seminars in=20
the future including this one so that colleagues outside of DCU can=20
join. I will post the link to the stream on Wednesday morning.

* /Best,
John/
/

--=20
John Regan

Marie Sklodowska-Curie Fellow
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=
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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. *


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 =20
=20
=20


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    Centre
          for Astrophysics & Relativity 

        
    www.cfar.ie

    
    Speaker: Dr. John Regan 
    Title: Rapid
          Formation of Black Holes in the First Billion Years

        
    Abstract:

        The
              observation of massive black holes a billion times the
              mass of the sun less than 1 billion years after the big
              bang can not be explained by our current structure
              formation paradigm. Here I will outline an alternative
              mechanism where super-massive stars are a natural
              consequence of early radiation bursts from the first
              galaxies. Super-massive stars provide the ideal
              progenitors for the massive black holes powering quasars
              at high redshift.

        

        Date: Wednesday 26th April   14.30

          

        Location: Lonsdale Building (X
      Building) Room X130, School of Mathematical Sciences

      https://www.dcu.ie/in=
fo/campus.shtml

    

          Streaming:

                We are also planning on streaming most (probably all)
                CFAR seminars in the future including this one so that
                colleagues outside of DCU can join. I will post the link
                to the stream on Wednesday morning. 

              

             Best,

      John

        

    --=20
John Regan

Marie Sklodowska-Curie Fellow
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=
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=C3=A9amh anseo.=C2=A0
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From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 24 12:45:49 2017
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Dear All,

We will have a Seminar this Thursday (April 27) at 4pm in ADB1020.


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



Giuseppe Di Molfetta

from Aix-Marseille Universite, Marseille



will speak on



=E2=80=9CQuantum Walks Gravity Simulation=E2=80=9D

 Abstract: As we know, spacetime is not flat at the cosmological scale. In
order to describe spacetime, in General Relativity theory (GR), we need a
continuous and differentiable manifold and a formal way to account for the
continuous distortion of the metrics. The main point is that changing
coordinate systems should not affect physics laws (General Covariance).
However at the Planck length, matter is not continuous and obeys Quantum
Theory (QT). Although one century has passed, finding an intrinsically
discrete counterpart of GR is still an open question. In fact, discretized
GR does not turn out in just a mere finite difference scheme of the old
formula.

I recently showed that one way to describe a discrete curved spacetime is
by using Quantum Walks. From a physical perspective a QW describes
situations where a quantum particle is taking steps on a discrete grid
conditioned on its internal state (say, spin states). The particle
dynamically explores a large Hilbert space associated with the positions of
the lattice and allows thus to simulate a wide range of transport phenomena=
.

It is surprising that this unitary and local dynamics, defined on a rigid
space-time lattice coincides in the continuous limit with the dynamical
behavior of a quantum spinning-particle spreading on a curved spacetime.
This could really turn out to be a powerful quantum numerical method to
discretize GR.

Link: http://pageperso.lif.univ-mrs.fr/~giuseppe.dimolfetta/



Contact: Michael Mc Gettrick



Hoping to see you all there,



Dieter, Haixuan and Michael



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

--001a114e66aa1c64c1054de82536
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable



Dea=
r All,


We w=
ill have a Seminar this=C2=A0Thursday (April 27) at 4pm=C2=A0in
ADB1020.




Coffee/tea/cakes/biscuits will be served from=C2=A03:30pm=C2=A0in ADB-G022.=


=C2=
=A0


Gius=
eppe Di Molfetta=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=
 Aix-Marseille Universite, Marseille


=C2=
=A0


will=
 speak on


=C2=
=A0


=E2=
=80=9CQuantum Walks Gravity
Simulation=E2=80=9D


=C2=
=A0Abstract: As we know, spacetime is not flat at the
cosmological scale. In order to describe spacetime, in General Relativity
theory (GR), we need a continuous and differentiable manifold and a formal =
way
to account for the continuous distortion of the metrics. The main point is =
that
changing coordinate systems should not affect physics laws (General
Covariance). However at the Planck length, matter is not continuous and obe=
ys
Quantum Theory (QT). Although one century has passed, finding an intrinsica=
lly
discrete counterpart of GR is still an open question. In fact, discretized =
GR
does not turn out in just a mere finite difference scheme of the old formul=
a.



I recently showed that one way to describe a discrete curved
spacetime is by using Quantum Walks. From a physical perspective a QW descr=
ibes
situations where a quantum particle is taking steps on a discrete grid
conditioned on its internal state (say, spin states). The particle dynamica=
lly
explores a large Hilbert space associated with the positions of the lattice=
 and
allows thus to simulate a wide range of transport phenomena.



It is surprising that this unitary and local dynamics, defined
on a rigid space-time lattice coincides in the continuous limit with the
dynamical behavior of a quantum spinning-particle spreading on a curved
spacetime. This could really turn out to be a powerful quantum numerical me=
thod
to discretize GR. 



Link: http://pageperso.lif.univ-mrs.fr/~giuseppe.dimolfetta/=


=C2=
=A0


Cont=
act: Michael Mc Gettrick


=C2=
=A0


Hopi=
ng to see you all there,


=C2=
=A0


Diet=
er, Haixuan and Michael


=C2=
=A0


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


=C2=A0=




--001a114e66aa1c64c1054de82536--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 24 13:37:29 2017
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Date:         Mon, 24 Apr 2017 13:37:08 +0100
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From:         John Regan 
Subject: Maths: CFAR Seminar Series, DCU, Tuesday 25.04   14.30
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Note: Seminar date changed to tomorrow(Tuesday) at 14.30.

CFAR seminars will also be streamed whenever possible, including=20
tomorrow's. A link to the stream will be available on=20
http://www.cfar.ie/seminars.html


On 21/04/17 14:45, John Regan wrote:
>
> Centre for Astrophysics & Relativity
>
> www.cfar.ie
>
> Speaker: *Dr. John Regan*
>
> Title: *Rapid Formation of Black Holes in the First Billion Years
> *
>
> Abstract:/
> //The observation of massive black holes a billion times the mass of=20
> the sun less than 1 billion years after the big bang can not be=20
> explained by our current structure formation paradigm. Here I will=20
> outline an alternative mechanism where super-massive stars are a=20
> natural consequence of early radiation bursts from the first galaxies.=20
> Super-massive stars provide the ideal progenitors for the massive=20
> black holes powering quasars at high redshift./
> /
> /Date: Tuesday 25th April//  14.30/
>
> /Location: Lonsdale Building (X Building) Room X130, School of=20
> Mathematical Sciences
> https://www.dcu.ie/info/campus.shtml
> ///
> *Streaming:
> We are also planning on streaming most (probably all) CFAR seminars in=20
> the future including this one so that colleagues outside of DCU can=20
> join. I will post the link to the stream on Tuesday morning/afternoon.
>
> * /Best,
> John/
> /
> --=20
> John Regan
>
> Marie Sklodowska-Curie Fellow
> School of Mathematical Sciences
> Dublin City University
> www.johnregan.org

--=20
John Regan

Marie Sklodowska-Curie Fellow
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


--------------16CCF84B54FA028D749138CC
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    Note: Seminar date changed to tomorrow(Tuesday) at 14.30. 

    
    CFAR seminars will also be streamed whenever possible, including
      tomorrow's. A link to the stream will be available on
      http://www.cfar.ie/seminars.html

    
    

    On 21/04/17 14:45, John Regan wrote:

    
    
      
      Centre
            for Astrophysics & Relativity 

          
      www.cfar.ie

      
      Speaker: Dr. John Regan 
      Title: Rapid Formation of Black Holes in the First
            Billion Years

          
      Abstract:

          The
                observation of massive black holes a billion times the
                mass of the sun less than 1 billion years after the big
                bang can not be explained by our current structure
                formation paradigm. Here I will outline an alternative
                mechanism where super-massive stars are a natural
                consequence of early radiation bursts from the first
                galaxies. Super-massive stars provide the ideal
                progenitors for the massive black holes powering quasars
                at high redshift.

          

          Date: Tuesday 25th April   14.30

            

          Location: Lonsdale Building
        (X Building) Room X130, School of Mathematical Sciences

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

      

            Streaming:
                  We are also planning on streaming most (probably all)
                  CFAR seminars in the future including this one so that
                  colleagues outside of DCU can join. I will post the
                  link to the stream on Tuesday morning/afternoon. 

                

               Best,

        John

          

      --=20
John Regan

Marie Sklodowska-Curie Fellow
School of Mathematical Sciences
Dublin City University
www.johnregan.org
    

    

    --=20
John Regan

Marie Sklodowska-Curie Fellow
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.







--------------16CCF84B54FA028D749138CC--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 24 14:23:24 2017
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Date:         Mon, 24 Apr 2017 13:23:08 +0000
Reply-To:     "Peg.Hanrahan" 
Sender:       UCD Maths Department Distribution List 
From:         "Peg.Hanrahan" 
Subject: Maths: Seminar Robust Joint Modelling: An introduction and exploration of recent extensions University of Limerick 28th April
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--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F8A21F90DexMbx3ulcampus_
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Content::

MACSI


The department of Mathematics and Statistics at the University of Limerick =
invites you to a seminar by  Dr Lisa McCrink (Queen's University Belfast):

Title:  Robust Joint Modelling: An introduction and exploration of recent e=
xtensions

Abstract: An introduction and exploration of recent extensions With a stead=
y growth in the volume of data being collected currently, there is an obvio=
us need to build more sophisticated tools with which to analyse this data. =
One such method is joint modelling. In the last few decades, joint modellin=
g has proven to be a valuable technique in the simultaneous analysis of ind=
ividuals' repeated measurements over time and the common link such longitud=
inal data has with a time-to-event or survival process. This talk will disc=
uss an extension to standard joint modelling techniques which accounts for =
the presence of longitudinal outliers - the use of robust joint models. In =
the joint modelling of longitudinal and survival data it is commonly assume=
d that the random effects and error terms follow normality assumptions. Thi=
s research illustrates the negative impact of such conventions when longitu=
dinal outliers are present, highlighting the benefits of assuming that the =
random terms instead follow a wider tailed t-distribution. The robust joint=
 model presented is flexible as it allows the degree at which outliers are =
adjusted for to be dictated by the data where the standard joint model, whi=
ch assumes normality, is given as a special case. Such detrimental effects =
of outliers are clearly demonstrated within this research both through a si=
mulation study and an illustrative example focusing on Northern Irish renal=
 patient data.


This seminar will take place on Friday , April 28th , at 4pm, in  Room A2-0=
02.

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
[Description: Description: cid:image001.jpg 01CC09AD.723BB6D0][cid:03D117D6=
-BE41-4784-9A7D-A4A5604055F3]


--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F8A21F90DexMbx3ulcampus_
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Content::=

 
MACSI=

 
 
The department of Mathematics and Statistic=
s at the University of Limerick invites you to a seminar by  Dr
 Lisa McCrink (Queen's University Belfast):
 
Title:=
 
Robust Joint Modelling: A=
n introduction and exploration of recent extensions
&nbs=
p;
Abstra=
ct: An introduction a=
nd
 exploration of recent extensions With a steady growth in the volume of dat=
a being collected currently, there is an obvious need to build more sophist=
icated tools with which to analyse this data. One such method is joint mode=
lling. In the last few decades,
 joint modelling has proven to be a valuable technique in the simultaneous =
analysis of individuals’ repeated measurements over time and the comm=
on link such longitudinal data has with a time-to-event or survival process=
. This talk will discuss an extension
 to standard joint modelling techniques which accounts for the presence of =
longitudinal outliers – the use of robust joint models. In the joint =
modelling of longitudinal and survival data it is commonly assumed that the=
 random effects and error terms follow
 normality assumptions. This research illustrates the negative impact of su=
ch conventions when longitudinal outliers are present, highlighting the ben=
efits of assuming that the random terms instead follow a wider tailed t-dis=
tribution. The robust joint model
 presented is flexible as it allows the degree at which outliers are adjust=
ed for to be dictated by the data where the standard joint model, which ass=
umes normality, is given as a special case. Such detrimental effects of out=
liers are clearly demonstrated within
 this research both through a simulation study and an illustrative example =
focusing on Northern Irish renal patient data.
&nbs=
p;
&nbs=
p;
This seminar will take place on=
 Friday , April 28^th , at 4pm, in  Room A2-002.=

 
If you have any questions regar=
ding this seminar, please direct them to Iain Moyles (061
 233726, iain.moyles ul.ie).

A full list of upcoming seminar=
s can be found at
http://www.ulsites.ul.ie/macsi/node/48011

 
-------------------------------=
---------------------------------------------
Supported by Science Foundation=
 Ireland 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 Hanr=
ahan

MACSI Administrator

Department of Mathematics & Statistics

University of Limerick

Telephone: 353 61 213013

e-mail peg.=
hanrahan ul.ie


 




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Message-ID:  
Date:         Tue, 25 Apr 2017 10:47:12 +0000
Reply-To:     Richard Watson 
Sender:       UCD Maths Department Distribution List 
From:         Richard Watson 
Subject: Re: Maths: Second Annual Huxley Lecture on the History of Mathematics
Comments: To: Ciaran Mac an Bhaird 
To:           MATHDEP LISTSERV.HEANET.IE
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________________________________
From: UCD Maths Department Distribution List  o=
n behalf of Ciaran Mac an Bhaird 
Sent: Monday, April 10, 2017 9:40:23 AM
To: MATHDEP LISTSERV.HEANET.IE
Subject: Maths: Second Annual Huxley Lecture on the History of Mathematics

        This sender failed our fraud detection checks and may not be who th=
ey appear to be. Learn about spoofing    =
  Feedback

Dear all,


The Department of Mathematics and Statistics have the pleasure in announcin=
g the second annual Huxley Lecture on the History of Mathematics by the res=
pected international expert, Professor Annette Imhausen from the Goethe Uni=
versity, Frankfurt, on Monday 24th of April at 6pm (Renehan Hall).

Title: 'Mathematics and "Mathematicians" in ancient Egypt'.

Prior to the talk, there will be a guided tour of our old Mathematical text=
s in the Russell Library. This starts at 5:15pm sharp. Further details are =
available at https://www.maynoothuniversity.ie/mathematics-and-statistics/h=
uxley-lecture-history-mathematics

Le meas,

Ciar=E1n


title:: Huxley Lecture on the History of Mathematics
content:: Professor Annette Imhausen
::  Maynooth University
:: presents a talk on Mathematics and "Mathematicians" in ancient Egypt
date-time:: April 24 2017 at 6 p.m.
location:: Maynooth, Renehan Hall, South Campus
endevent::


Dr. Ciar=E1n Mac an Bhaird


Lecturer and MSC Manager


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: UCD Maths Department =
Distribution List <MATHDEP LISTSERV.HEANET.IE> on behalf of Ciaran Ma=
c an Bhaird <Ciaran.MacanBhaird NUIM.IE>

Sent: Monday, April 10, 2017 9:40:23 AM

To: MATHDEP LISTSERV.HEANET.IE

Subject: Maths: Second Annual Huxley Lecture on the History of Mathe=
matics
 








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Dear all,





The Department of Mathematics and Statistics have t=
he pleasure in announcing the second annual Huxley Lecture on
 the History of Mathematics by the respected international expert, Professo=
r Annette Imhausen from the Goet=
he University, Frankfurt,
 on Monday 24th of April at 6pm (Renehan Hall). 






Title: 'Mathematics and "Mathematicians" =
in ancient Egypt'.

 



<=
span style=3D"font-size:12pt">Prior to the talk, ther=
e will be a guided tour of our old Mathematical
 texts in the Russell Library. This starts at 5:15pm sharp. Further de=
tails are available at ht=
tps://www.maynoothuniversity.ie/mathematics-and-statistics/huxley-lecture-history-mathema=
tics


<=
span style=3D"font-size:12pt"> 

Le meas,=



Ciar=E1n





title:: Huxley Lecture =
on the History of Mathematics

content::
Professor Annette Imhausen

::  Maynooth Unive=
rsity 

:: presents a talk on <=
span style=3D"color:rgb(33,33,33); font-family:Calibri,Arial,Helvetica,sans=
-serif; font-size:16px">
Mathematics and "Mathematicians" in ancient Egypt
date-time:: April 24 20=
17 at 6 p.m.

location:: Maynooth, Re=
nehan Hall, South Campus

endevent::







Dr. Ciar=E1n Mac an Bhaird



Lecturer and MSC Manager



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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Date:         Wed, 26 Apr 2017 09:24:32 +0100
Reply-To:     Kwok Chuen Wong 
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From:         Kwok Chuen Wong 
Subject: maths: DCU Mathematical Finance Seminar (U. Cetin)
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Dear Colleagues,

We will have Mathematical Finance seminar this Friday:

Everybody welcome,

Ryan

title:: DCU Math Finance (Umut Cetin, LSE)
content:: We develop a new class of path transformations for
one-dimensional diffusions
:: that are tailored to alter their long-run behaviour from transient to
recurrent or vice versa.
:: This immediately leads to a formula for the distribution of the first
exit times of diffusions,
:: which is recently characterised by Karatzas and Ruf as the minimal
solution of
:: an appropriate Cauchy problem under more stringent conditions. These
transformations also
:: turn out to be instrumental in characterising the stochastic solutions
of Cauchy problems defined by
:: the generators of strict local martingales, which are well-known for not
having unique solutions
:: even though one restricts the solutions to have linear growth.
:: Using an appropriate diffusion transformation we show that the
aforementioned stochastic solution
:: is the unique classical solution of an alternative Cauchy problem with
suitable boundary conditions.
:: This in particular resolves the long-standing issue of non-uniqueness
with the Black-Scholes equations
:: in derivative pricing in the presence of bubbles. Finally, we use these
path transformations to
:: propose a unified framework for solving explicitly the optimal stopping
problem for
:: one-dimensional diffusions with discounting, which in particular is
relevant for the pricing
:: and the optimal exercise boundaries of perpetual American options.


date-time:: 28th April at 11:00am
location:: DCU Business School, QG27
endevent::

--=20
Kwok Chuen Wong, Ryan
Lecturer in Financial Mathematics
School of Mathematical Sciences, Dublin City University
X148A, Lonsdale Building, Glasnevin, Dublin 9, Dublin, Ireland
Tel: +353 1 7006568
Email: kwokchuen.wong dcu.ie

--=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


--94eb2c0766484efaa7054e0d9446
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Dear Colleagues,

We will have Mathematical Finance =
seminar this Friday:

Everybody welcome,

Ryan

title:: D=
CU Math Finance (Umut Cetin, LSE)
content:: We develop a new class of pa=
th transformations for one-dimensional diffusions 
:: that are tailored =
to alter their long-run behaviour from transient to recurrent or vice versa=
. 
:: This immediately leads to a formula for the distribution of the fi=
rst exit times of diffusions, 
:: which is recently characterised by Kar=
atzas and Ruf as the minimal solution of 
:: an appropriate Cauchy probl=
em under more stringent conditions. These transformations also 
:: turn =
out to be instrumental in characterising the stochastic solutions of Cauchy=
 problems defined by 
:: the generators of strict local martingales, whi=
ch are well-known for not having unique solutions 
:: even though one re=
stricts the solutions to have linear growth. 
:: Using an appropriate di=
ffusion transformation we show that the aforementioned stochastic solution =

:: is the unique classical solution of an alternative Cauchy problem wi=
th suitable boundary conditions. 
:: This in particular resolves the lon=
g-standing issue of non-uniqueness with the Black-Scholes equations 
:: =
in derivative pricing in the presence of bubbles. Finally, we use these pat=
h transformations to 
:: propose a unified framework for solving explici=
tly the optimal stopping problem for 
:: one-dimensional diffusions with=
 discounting, which in particular is relevant for the pricing 
:: and th=
e optimal exercise boundaries of perpetual American options.


dat=
e-time:: 28th April at 11:00am
location:: DCU Business School, QG27
e=
ndevent::

-- 
Kwok Chuen Wo=
ng, Ryan
Lecturer in Financial M=
athematics
School of Mathematica=
l Sciences, Dublin City University
X148A, Lonsdale Bui=
lding, Glasnevin, Dublin 9, Dublin, Ireland
Tel: +353 1 7006568
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.







--94eb2c0766484efaa7054e0d9446--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr 26 12:32:47 2017
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Date:         Wed, 26 Apr 2017 12:32:27 +0100
Reply-To:     "Richard M. Timoney" 
Sender:       UCD Maths Department Distribution List 
From:         "Richard M. Timoney" 
Subject: maths: Analysis seminars May 2nd and 9th
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                    ANALYSIS SEMINAR


Tuesday 2nd May, 2017  at 4.15pm  (place: UCD  Ag 1.01 )

Speaker: R. Smith 
Title: Approximation of norms in preduals of Lorentz spaces 

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

Tuesday 9th May, 2017  at 4.15pm  (place: UCD  Ag 1.01 )

Speaker: C. Gilmore 
Title: Growth rates of frequently hypercyclic harmonic functions 

Abstract
The notion of frequent hypercyclicity stems from ergodic theory and has
been an active area of research since it was introduced by Bayart and
Grivaux (2004).
Many natural continuous linear operators are frequently hypercyclic, for
instance the differentiation operator on the space of entire functions.
We will begin by recalling some basic examples and the pertinent notions
of frequent hypercyclicity.  We then consider the
partial differentiation operator acting on the space of harmonic functions
on $R^n$.  Our primary goal is to identify
sharp growth rates, in terms of the $L^2$-norm, of harmonic functions that
are frequently hypercyclic vectors for the basic partial differentiation
operator.  This answers a question posed by Blasco et al. (2010).
This is joint work with Eero Saksman and Hans-Olav Tylli. 


______________________________
C. Boyd , R. Timoney .

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



Lines for mathdep web calendar entry:

title:: ANALYSIS SEMINAR
content:: R. Smith  will speak on
::  Approximation of norms in preduals of Lorentz spaces 
date-time:: Tuesday 2nd May, 2017  at 4.15pm 
location:: UCD  Ag 1.01 
endevent::

title:: ANALYSIS SEMINAR
content:: C. Gilmore  will speak on
::  Growth rates of frequently hypercyclic harmonic functions 
date-time:: Tuesday 9th May, 2017  at 4.15pm 
location:: UCD  Ag 1.01 
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Thu Apr 27 12:29:59 2017
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Date:         Thu, 27 Apr 2017 12:29:41 +0100
Reply-To:     Seminars Maths NUIG 
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From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway
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--001a114e66aadb8e66054e244585
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Dear All,

We will have a Seminar Tuesday (May 2):  at 4pm in ADB1020.


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



Caitr=C3=ADona N=C3=AD Sh=C3=A9

from DCU



will speak on



=E2=80=9CTechnology enhanced Resources for Mathematics Education (TeRMEd)=
=E2=80=9D

 Abstract: This project, funded by the National Forum for the Enhancement
of Teaching and Learning, concerned the development of formative assessment
techniques to improve the teaching and learning experience of first year
undergraduate students attending non specialist mathematics modules.  It
had three main components: firstly, establishing the most problematic
concepts and procedures that these students encounter and the resources
they use to overcome the difficulties; secondly, creating formative
assessment tools for use in the classroom and technology enhanced resources
to be used by students to monitor and support their own progress; thirdly,
evaluating the impact of these resources. This presentation will report on
the outcomes of the initial student and lecturer surveys, demonstrate some
of the developed resources and outline the results of the evaluations.





Link: http://pageperso.lif.univ-mrs.fr/~giuseppe.dimolfetta/



Contact: Kirsten Pfeiffer



Hoping to see you all there,



Dieter, Haixuan and Michael



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

--001a114e66aadb8e66054e244585
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable



Dea=
r All,


We w=
ill have a Seminar Tuesday (May 2): =C2=A0at 4pm=C2=A0in ADB10=
20.




Coffee/tea/cakes/biscuits will be served from=C2=A03:30pm=C2=A0in ADB-G022.=


=C2=
=A0


Cait=
r=C3=ADona N=C3=AD Sh=C3=A9=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=
 DCU


=C2=
=A0


will=
 speak on


=C2=
=A0


=E2=
=80=9CTechnology enhanced
Resources for Mathematics Education (TeRMEd)=E2=80=9D


=C2=
=A0Abstract: This project, funded by the National Forum for
the Enhancement of Teaching and Learning, concerned the development of
formative assessment techniques to improve the teaching and learning experi=
ence
of first year undergraduate students attending non specialist mathematics
modules.=C2=A0 It had three main components:
firstly, establishing the most problematic concepts and procedures that the=
se
students encounter and the resources they use to overcome the difficulties;
secondly, creating formative assessment tools for use in the classroom and
technology enhanced resources to be used by students to monitor and support
their own progress; thirdly, evaluating the impact of these resources. This
presentation will report on the outcomes of the initial student and lecture=
r
surveys, demonstrate some of the developed resources and outline the result=
s of
the evaluations.


=C2=
=A0


=C2=
=A0


Link=
: http:/=
/pageperso.lif.univ-mrs.fr/~giuseppe.dimolfetta/


=C2=
=A0


Cont=
act: Kirsten Pfeiffer


=C2=
=A0


Hopi=
ng to see you all there,


=C2=
=A0


Diet=
er, Haixuan and Michael


=C2=
=A0


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


=C2=A0=




--001a114e66aadb8e66054e244585--

From owner-mathdep LISTSERV.HEANET.IE  Fri Apr 28 15:01:59 2017
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Date:         Fri, 28 Apr 2017 14:01:38 +0000
Reply-To:     Lars Pforte 
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From:         Lars Pforte 
Subject: maths: Colloquium of the Department of Mathematics and Statistics at Maynooth University
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Colloquium of the Department of Mathematics and Statistics at Maynooth Univ=
ersity

Wednesday, 3rd May, 4pm in MS 2 in Logic House

Speaker: Dr. Erla Sturludottir, Science Institute, University of Iceland

Title: Marine ecosystem modeling: using an end-to-end model to test ecosyst=
em models

Please find an abstract here .

All welcome.


title:: Maynooth Maths-Stats Colloquium
content:: Dr. Erla Sturludottir
:: Science Institute, University of Iceland
:: presents a talk entitled "Marine ecosystem modeling: using an end-to-end=
 model to test ecosystem models"
date-time:: May 3, 2017 at 4 p.m.
location:: Maynooth MS2 Logic House
endevent::

-----------------------------------------------
Dr. Lars Pforte
Department of Mathematics & Statistics
Maynooth University
Maynooth
Co. Kildare

Tel: +353 1 708 6544
Fax: +353 1 708 3913


--_000_DB6PR02MB2983B4D891EB2C4650CDFA91FF130DB6PR02MB2983eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable









Colloquium of the Department of Mathematics and Statistics at Maynooth=
 University



Wednesday, 3rd May, 4pm in MS 2 in Logic House

  

Speaker: Dr. Erla Sturludottir, Science Institute, University of Iceland


Title: Marine ecosystem modeling: using an end-to-end model to test ecosyst=
em models



Please find an abstract here .



All welcome.





title:: Maynooth 
Maths-Stats Colloquium

content:: Dr. Erla Sturludottir

:: Science Institute, University of Iceland

:: presents a talk entitled "Marine ecosystem modeling: us=
ing an end-to-end model to test ecosystem models"

date-time:: May 3, 2017 at 4 p.m.

location:: Maynooth MS2 Logic House

endevent::



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

Dr. Lars Pforte

Department of Mathematics & Statistics

Maynooth University

Maynooth

Co. Kildare



Tel: +353 1 708 6544

Fax: +353 1 708 3913 







--_000_DB6PR02MB2983B4D891EB2C4650CDFA91FF130DB6PR02MB2983eurp_--

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Date:         Mon, 2 Apr 2018 03:06:30 -0600
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Sender:       UCD Maths Department Distribution List 
From:         Gord! 
Subject: Re: maths: new blog on Irish Cambridge connections pre 1900
Comments: To: Colm Mulcahy 
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Thank you Colm. A fantastic list to peruse.
Gord!

On 30 March 2018 at 07:38, Colm Mulcahy  wrote:

>
> 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)
>
>
>
>


-- 






Gordon Hamilton
MMath, PhD

www.MathPickle.com
Put your students in a pickle!


Designer of Santorini 

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Thank you Colm. A fantastic list to peruse.Gord!
<=
div class=3D"gmail_extra">
On 30 March 2018 a=
t 07:38, Colm Mulcahy <cardcolm gmail.com> wrote:

new blog on Irish Cambri=
dge maths connections pre 1900:

http://www.maths=
ireland.ie/blog/2018_03_cm

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


Comments and corrections are, as always, welcome.





Colm Mulcahy (Spelman College=C2=A0& UCD)
<=
div>






-- 





Gordon HamiltonMMath, PhD

www.Ma=
thPickle.com=C2=A0
=
Put your students in a pickle!


Designer of=C2=A0Santori=
ni

=



=



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*Dublin Theoretical Physics Colloquium*

*Time*: Wednesday, 4th of April at 16:00 p.m.

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

*Speaker*: Giuseppe Policastro (Ecole Normale Sup=C3=A9rieure, Paris)

*Title: *Holographic complexity and defect CFT

*Abstract:* Recently the concept of complexity has been proposed by Susskin=
d
as a measure of the more subtle properties of information processing in the
context of black holes physics, and a conjecture on how to measure this
quantity in the holographic correspondence was put
forward. It still remains to be proven, however, that the complexity can be
a useful and well-defined concept in quantum field theory. I will describe
this developments, then present our calculation of the complexity for a
conformal field theory in presence of a defect.



title:: Dublin Theoretical Physics Colloquium
content:: Giuseppe Policastro (ENS, Paris) will speak on
:: Holographic Complexity and Defect CFT
date-time::  Wednesday the 4th of April at 16:00pm
location:: Synge Lecture Theatre, School of Mathematics, Trinity College
Dublin
endevent::

--000000000000273ed60568dd5ba3
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<=
div class=3D"gmail_quote">Dubli=
n Theoretical Physics Colloquium
=C2=A0
Time=
: Wednesday, 4th of April at 16:00 p.m.

=
Location: Synge Lecture Theatre, Westland Row, Trinity College Dublin.<=
/div>
Speaker: Giuseppe Policastro (Ecole =
Normale Sup=C3=A9rieure, Paris)
=

Title: Holographic complexity and defect =
CFT

Abstract: Recently the concept of complexity has been proposed by=C2=A0Susskind as a measure of the more=C2=A0subtle properties of information processing in the cont=
ext of black=C2=A0holes physics, and a co=
njecture on how to=C2=A0measure this quan=
tity in the holographic correspondence was put
forward. It still remains to be proven, however, that=C2=A0the complexity can be a useful and well-defined conce=
pt in quantum field theory.=C2=A0I will d=
escribe this developments, then present our calculation of the=C2=A0=
complexity for a conformal field theory in prese=
nce of a defect.



title<=
/span>:: Dublin Theoretical Physics Colloquium
content:: Giuseppe Policastro (ENS, Paris) w=
ill speak on=C2=A0=C2=A0
:: Holographic Compl=
exity and Defect CFT
date-time::=C2=A0=C2=A0Wednesday t=
he 4th of April at 16:00pm
location:: Synge Lecture Theatre, School of Mathem=
atics, Trinity College Dublin
endevent::









--000000000000273ed60568dd5ba3--

From owner-mathdep LISTSERV.HEANET.IE  Tue Apr  3 09:49:27 2018
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Subject: maths: 50 Years of NBFAS
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50 Years of North British Functional Analysis Seminar

It is now just over a week away, our 50 Years of NBFAS celebration at the I=
CMS in Edinburgh, 12-14 April !
All the information is available at

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

where you also find the detailed programme of the event and a list of parti=
cipants.

I hope many of you will be able to come.

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


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50 Years of North British Functional Analysis Seminar=

 
It is now just over a week away, our
50 Years of NBFAS celebration at the ICMS in Edinburgh, 12-14=
 April !
All the information is available at

 
http://www.icms.org.u=
k/NBFAS2018.php
 
where you also find the detailed programme of the event and a list of =
participants.
 
I hope many of you will be able to come.
 
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
 




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Subject: maths: DCU C-fAR Seminar, Fri April 6th, 11am
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Dear colleagues,

Details of this week's DCU C-fAR seminar are as follows:

Speaker: Dr. Nguyen Viet Dang, *Universit=C3=A9 Claude Bernard Lyon I*

Title: *Renormalization of quantum field theory on Riemannian manifolds*
Abstract: I will present an overview of results obtained with Estanislao
Herscovich (UJF Grenoble) and Bin Zhang (Sichuan University). We will start
by giving a simple example which shows the necessity to subtract infinities
in quantum field theory. Then we introduce the notion of Feynman amplitudes
and study their singularities using a zeta regularization with several
parameters. Finally we will apply this method to perturbative
renormalization of quantum field theories on Riemannian manifolds.

Date: Friday April 6th   11am

Location: Lonsdale Building (X Building) Room X130
https://www.dcu.ie/info/campus.shtml

All welcome. Tea/coffee/biscuits served in the common room X138 at 10:45am.

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=
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This e-mail and any files transmitted with it are confidential and are inte=
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<=
div class=3D"gmail_quote">Dear=
 colleagues,

Details of this week's DCU C-fAR seminar are as =
follows:

Speaker: Dr. Nguye=
n Viet Dang, Univer=
sit=C3=A9 Claude Bernard Lyon ITitle:=C2=A0Renormalization of quantum field theory on Riemannian manifolds<=
/font>
Abstract:=C2=A0I will present an overview=
 of results obtained with Estanislao Herscovich (UJF Grenoble) and Bin Zhan=
g (Sichuan University). We will start by giving a simple example which show=
s the necessity to subtract infinities in quantum field theory.=C2=A0Then we introduce the notion of Feynman amplitu=
des and study their singularities using a zeta regularization with several =
parameters. Finally we will apply this method to perturbative renormalizati=
on of quantum field theories on Riemannian manifolds.=C2=A0



=

Date: Friday April=
 6th=C2=A0  11am

Location: Lonsdale Building (X Building) Room X130
https://www.dcu.ie/info/campus.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 common room X138 at 10:45am.

Cheers,
Peter.

-- 
Dr. Pete=
r Taylor
Assistant Pro=
fessor
Center for Astro=
physics and Relativity
=
School of Mathematical Sciences
Dublin City University.www.=
taylorexpansion.net






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







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From owner-mathdep LISTSERV.HEANET.IE  Tue Apr  3 13:48:34 2018
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Subject: maths: UCD Algebra and Number Theory Seminar
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UCD Algebra and Number Theory Seminar

Speaker: Laurent Vuillon (University Savoie Mont Blanc)

Title: Combinatorics on words for Markoff numbers

Abstract: Markoff numbers are fascinating integers related to number theory, hyperbolic geometry, continued fractions and Christoffel words. Many great mathematicians have worked on these numbers and the 100 years famous uniqueness conjecture by Frobenius is still unsolved. In this talk, we state a new formula to compute the Markoff numbers using iterated palindromic closure and the Thue-Morse substitution. The main theorem shows that for each Markoff number m, there exists a word v in {a, b}∗ such that m − 2 is equal to the length of the iterated palindromic closure of the iterated antipalindromic closure of the word av. This construction gives a new recursive construction of the Markoff numbers by the lengths of the words involved in the palindromic closure.

Date: Thursday, April 12, 2018
Time: 2:00pm
Location: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01

title:: UCD Algebra and Number Theory Seminar
content:: Laurent Vuillon (University Savoie Mont Blanc) will speak on
:: Combinatorics on words for Markoff numbers
date-time:: Thursday, April 12, 2018 at 2:00pm
location:: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01
endevent::

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*Dublin Theoretical Physics Colloquium*

*Time*: Wednesday, 4th of April at 16:00 p.m.

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

*Speaker*: Giuseppe Policastro (Ecole Normale Sup=C3=A9rieure, Paris)

*Title: *Holographic complexity and defect CFT

*Abstract:* Recently the concept of complexity has been proposed by Susskin=
d
as a measure of the more subtle properties of information processing in the
context of black holes physics, and a conjecture on how to measure this
quantity in the holographic correspondence was put
forward. It still remains to be proven, however, that the complexity can be
a useful and well-defined concept in quantum field theory. I will describe
this developments, then present our calculation of the complexity for a
conformal field theory in presence of a defect.



title:: Dublin Theoretical Physics Colloquium
content:: Giuseppe Policastro (ENS, Paris) will speak on
:: Holographic Complexity and Defect CFT
date-time::  Wednesday the 4th of April at 16:00pm
location:: Synge Lecture Theatre, School of Mathematics, Trinity College
Dublin
endevent::

--000000000000549fa5056902d9b2
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


D=
ublin Theoretical Physics Colloquium
=C2=A0
Time=
: Wednesday, 4th of April at 16:00 p.m.

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

Speaker: Giuseppe Policastro (Ec=
ole Normale Sup=C3=A9rieure, Paris)

Title:=
 Holographic complexity and def=
ect CFT

Abstract: Recently the concept of complexity has been proposed by=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;background-color:rgb=
(255,255,255);text-decoration-style:initial;text-decoration-color:initial;f=
loat:none;display:inline">Susskind as a measure of the more=C2=A0subtle properties of information processing in the =
context of black=C2=A0holes physics, and =
a conjecture on how to=C2=A0measure this =
quantity in the holographic correspondence was put
forward. It still remains to be proven, however, that=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;background-color:rgb=
(255,255,255);text-decoration-style:initial;text-decoration-color:initial;f=
loat:none;display:inline">the complexity can be a useful and well-defined c=
oncept in quantum field theory.=C2=A0I wi=
ll describe this developments, then present our calculation of the=C2=A0complexity for a conformal field theory in p=
resence of a defect.



title:: Dublin Theoretical P=
hysics Colloquium
content:: Giuseppe Policastro (=
ENS, Paris) will speak on=C2=A0=C2=A0
:: Holo=
graphic Complexity and Defect CFT
date-time::=C2=A0=C2=A0Wednesday the 4th of April at 16:00pm
location:: Synge Lecture Theatre, School of Mathematics, Trin=
ity College Dublin
endevent::











--000000000000549fa5056902d9b2--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr  4 11:19:44 2018
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From:         "Richard M. Timoney" 
Subject: maths: Analysis seminar 10/April
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                    ANALYSIS SEMINAR



Tuesday 10th April, 2018  at 4.00pm  (place: UCD  Science North 125 )

Speaker: H. Render 
Title: Generalized Bernstein operators 

Abstract
In this talk we discuss the existence and properties of generalized
Bernstein operators in the context of extended Chebyshev spaces.
Special analysis is given to Bernstein operators in the polynomial
setting which fix the constant function 1 and the function $x^3$
with respect to an interval $[a,b]$ containing 0.

This talk is based on a joint work with
J.M. Aldaz (Universidad Autonoma de Madrid) 


______________________________
C. Boyd , R. Timoney .

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



Lines for mathdep web calendar entry:

title:: ANALYSIS SEMINAR
content:: H. Render  will speak on
::  Generalized Bernstein operators 
date-time:: Tuesday 10th April, 2018  at 4.00pm 
location:: UCD  Science North 125 
endevent::

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Date:         Wed, 4 Apr 2018 14:09:13 +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 all welcome to the following seminar:

UCC Mathematics Seminar

Time and location: 5-6pm, Tuesday 10 April, WGB G08
(please note the time is one hour later than usual)

Speaker: Dan Petersen (University of Copenhagen)

Title: Moduli spaces and operads

Abstract:

The moduli space of Riemann surfaces parametrizes all complex structures on=
 a two-dimensional surface. After compactifying the moduli space one finds =
an interesting structure corresponding to how surfaces can be glued togethe=
r. Specifically, these gluings give rise to something called an operad, and=
 this leads to an interesting interplay between algebra and geometry.


Best wishes,

Spyros Dendrinos


--_000_DB7PR02MB38192CB56CE63CC6D25AC1B0BAA40DB7PR02MB3819eurp_
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Dear Colleagues,

 
You are all welcome to the f=
ollowing seminar:
 
UCC Mathematics Seminar

 
Time and location:
5-6pm, Tuesday 10 April=
, WGB G08
(please note the time is one=
 hour later than usual)
 
Speaker: Dan Petersen
=
(University of Copenhagen)

 
Title:<=
font color=3D"#222222" face=3D"Calibri,sans-serif" size=3D"3"> Moduli spaces and operads


 
Abstract:

<=
span lang=3D"EN-IE" style=3D"background: white; color: rgb(34, 34, 34); mso=
-fareast-font-family: "Times New Roman"; mso-bidi-font-family: Ar=
ial; mso-ansi-language: EN-IE; mso-fareast-language: EN-GB;">The
 moduli space of Riemann surfaces parametrizes all complex structures on a =
two-dimensional surface. After compactifying the moduli space one finds an =
interesting structure corresponding to how surfaces can be glued together. =
Specifically, these gluings give
 rise to something called an operad, and this leads to an interesting inter=
play between algebra and geometry.
<=
span lang=3D"EN-IE" style=3D"background: white; color: rgb(34, 34, 34); mso=
-fareast-font-family: "Times New Roman"; mso-bidi-font-family: Ar=
ial; mso-ansi-language: EN-IE; mso-fareast-language: EN-GB;">


<=
span lang=3D"EN-IE" style=3D"background: white; color: rgb(34, 34, 34); mso=
-fareast-font-family: "Times New Roman"; mso-bidi-font-family: Ar=
ial; mso-ansi-language: EN-IE; mso-fareast-language: EN-GB;">Best
 wishes,
<=
span lang=3D"EN-IE" style=3D"background: white; color: rgb(34, 34, 34); mso=
-fareast-font-family: "Times New Roman"; mso-bidi-font-family: Ar=
ial; mso-ansi-language: EN-IE; mso-fareast-language: EN-GB;">Spyros
 Dendrinos









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From owner-mathdep LISTSERV.HEANET.IE  Thu Apr  5 15:46:09 2018
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Dear colleagues,

As part of the *Irish Quantum Foundations 2018
* meeting, we are delighted to host two
special public lectures on the evening of *Monday May 28th *in the *DCU St.
Patrick's College* campus:

   -

   *Prof. Duncan Haldane* (Nobel Prize in Physics 2016) will give a talk
   entitled *"Entanglement: Einstein's gift to quantum mechanics"*.
   -

   *Dr. Sabine Hossenfelder* will give a talk based on her recent book *"Lo=
st
   in Math: How Beauty Leads Physics Astray"*.


This is a ticketed event, but there is no charge for attendance, and all
are welcome. Please register using this link:

https://www.eventbrite.com/e/iqf-2018-public-lectures-prof-d
uncan-haldane-dr-sabine-hossenfelder-tickets-44844392786


About the speakers:

Prof. Duncan Haldane is a British born physicist who is currently the
Sherman Fairchild University Professor of Physics at Princeton University,
and a Distinguished Visiting Research Chair
 at Perimeter
Institue for Theoretical Physics. He was awarded the 2016 Nobel Prize in
Physics with David J Thouless and John Michael Kosterlitz for theoretical
discoveries of topological phase transitions and topological phases of
matter.

Dr. Sabine Hossenfelder is a theoretical physicist at the Frankfurt
Institute of Advanced Studies. She is a freelance science writer and author
of the book "Lost in Math: How Beauty Leads Physics Astray". Sabine's
research focuses on the foundations of physics and, in particular, quantum
gravity, but her interests extend to the philosophy and sociology of
science. Since 2006, she has been writing the very popular blog
Backreaction.


On behalf of the IQF 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
*

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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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*



*

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--001a113fb8841a326f05691aff1a
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Dear colleagues,

As part of the=C2=A0Iris=
h Quantum Foundations 2018=C2=A0meeting, we are delighted to host t=
wo special public lectures on the evening of Monday May 28th in the =
DCU St. Patrick's College campus:Prof. Duncan Haldane=
=C2=A0(Nobel Prize in Physics 2016) will give a talk entitled=C2=A0<=
font color=3D"#351c75">"Entanglement: Einstein's gi=
ft to quantum mechanics".
Dr. Sabine Hossenfelder=C2=A0will give a =
talk based on her recent book=C2=A0=
"Lost in Math: How Beaut=
y Leads Physics Astray".

This is a ticketed event, but there is no charge for atten=
dance, and all are welcome. Please register using this link:<=
/div>
=
https://www.eventbrite.com/e/iqf-2018-public-lectur=
es-prof-duncan-haldane-dr-sabine-hossenfelder-tickets-44844392786=


About the speakers:
Prof. Duncan Haldane=C2=A0is a British born physicist=
 who is currently the Sherman Fairchild University Professor of Physics at =
Princeton University, and a Distinguished Visiting Research Ch=
air=C2=A0at Perimeter Institue for Theor=
etical Physics. He was awarded the 2016 Nobel Prize in Physics=
=C2=A0with David J Thouless and John Michael Kost=
erlitz=C2=A0for theoretical di=
scoveries of topological phase transitions and topological phases of matter=
.
Dr. Sabine Hossenfelder is a theoretical physicist at the Frankfurt=
 Institute of Advanced Studies. She is a freelance science writer and autho=
r of the book "Lost in Math: How Beauty Leads Physics Astray". Sa=
bine's research focuses on the foundations of physics and, in particula=
r, quantum gravity, but her interests extend to the philosophy and sociolog=
y of science. Since 2006, she has been writing the very popular blog Backre=
action.


On behal=
f of the IQF 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)

<=
/div>

-- 
Dr. Peter Taylor
Assistant Professor
Center for Astrophysics and Relativity
School of Mathematical Sci=
ences
Dublin City Unive=
rsity.
www.taylorexpansion.net






S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=
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 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  Fri Apr  6 13:26:14 2018
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From:         Colm O Dunlaing 
Subject: maths: call for registration and papers, HMIGCA-18
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 HMI Workshop on Geometric Computation, Dublin, June 2018
      CALL FOR REGISTRATION AND CONTRIBUTED TALKS
 
 This workshop will run from Sunday 17 June (reception)
 through Thursday 21 June, in Trinity College, Dublin. It is
 supported by the HMI (Hamilton Mathematics Institute, TCD).
 
 There will be lectures from 5 invited speakers
 in important areas of Computational Geometry and Topology.
 Participants are also invited to contribute a talk.
 
 If you would like to contribute a short talk, you can indicate so on the
 registration form. Subject to time constraints, proposed talks will
 be considered by the committee on a first-come-first-served basis.
 See www.maths.tcd.ie/~hmigca-18.
 
 The talks will be invaluable to students, postdocs, researchers in
 other areas, and other computational geometers.
 Applications include data-structures in high dimensional spaces,
 engineering design, and data analysis in multimedia, medicine,
 and finance.
 
 Registration is free, but it is required.  The registration
 form can be downloaded from the website.
 
 Accommodation: there are some on-campus apartments available.
 They are offered at special promotional rates, and graduate
 students taking on-campus apartments will have the cost reimbursed
 to 50% of the minimum rate.
 
 You can indicate your interest in an apartment through the
 registration form. In that case, if apartments are still available,
 you will receive a special promotion code by email.
 But please note that demand is high.
 
 For more details:
       www.maths.tcd.ie/~hmigca-18
       hmigca-18 maths.tcd.ie
 
 Best wishes from the workshop organisers
 Rolf Klein, Colm O Dunlaing, Jose Refojo, and Chee-Keng Yap.

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Date:         Fri, 6 Apr 2018 14:16:14 +0000
Reply-To:     "Henry, David" 
Sender:       UCD Maths Department Distribution List 
From:         "Henry, David" 
Subject: maths: UCC Applied Mathematics Seminar, Thursday 12 April
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Dear Colleagues,


All are welcome at the following seminar:


UCC Applied Mathematics Seminar

Speaker: Guenther Hoermann (University of Vienna)

Time and location: 12pm, Thursday 12 April, WGB G02

Title: Wave-breaking and weak solutions for the Fornberg-Whitham equation

Abstract: The so-called Fornberg-Whitham equation was introduced as an inte=
gro-differential equation in the hope to obtain a particularly simple model=
 for shallow water waves with wave breaking. We will discuss mathematical a=
spects for the periodic as well as for the non-periodic case. The first par=
t will describe published results on well-posedness and blow-up in the form=
 of wave breaking. In the second part, we report on work in progress about =
the construction of discontinuous traveling waves as weak solutions on the =
real line and periodic (weak) entropy solutions.




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





Lines for mathdep calendar:

title:: UCC Applied Maths Seminar
date-time:: Thursday 12 April AT 12pm
location:: WGB G02
content:: Guenther Hoermann

:: (University of Vienna)
:: presents a talk entitled
:: "Wave breaking and weak solutions for the Fornberg-Whitham equation"
endevent::



--_000_DB3PR02MB028149B3993E7C7D0C4C9D368FBA0DB3PR02MB0281eurp_
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Dear Colleagues,
















All are welcome at the following seminar:



UCC Applied Mathematics Seminar 





Speaker: Guenther
 Hoermann (University of Vienna)<=
/font>=




Time and location: 12pm, Thursday 12 April, WGB G02


Title: =
Wave-breaking and weak solutions for the Fornberg-Whitham equation


Abstract: The so-called Fornberg-Whitham equation was in=
troduced as an integro-differential equation in the hope to obtain a partic=
ularly simple model for shallow water waves with wave breaking. We will dis=
cuss mathematical aspects for the
 periodic as well as for the non-periodic case. The first part will describ=
e published results on well-posedness and blow-up in the form of wave break=
ing. In the second part, we report on work in progress about the constructi=
on of discontinuous traveling waves
 as weak solutions on the real line and periodic (weak) entropy solutions.<=
/span>







































=


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


































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



title:: UCC 
Applied 
Maths 
Seminar

date-time:: Thursday 12 April AT 12pm

location:: WGB G02

content:: Guenther Hoermann

<=
/span>

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

:: "<=
/font><=
span>Wave
 breaking and weak solutions for the Fornberg-Whitham equation"

=
endev=
ent::




<=
/font>
































































--_000_DB3PR02MB028149B3993E7C7D0C4C9D368FBA0DB3PR02MB0281eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Sun Apr  8 20:44:03 2018
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Date:         Sun, 8 Apr 2018 19:43:40 +0000
Reply-To:     Ciaran Mac an Bhaird 
Sender:       UCD Maths Department Distribution List 
From:         Ciaran Mac an Bhaird 
Subject: Maths: Third Annual Huxley Lecture on the History of Mathematics
To:           MATHDEP LISTSERV.HEANET.IE
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Dear all,


The Department of Mathematics and Statistics have the pleasure in announcin=
g the third annual Huxley Lecture on the History of Mathematics by Dr Phili=
p Beeley from the University of Oxford, on Tuesday 24th of April at 6pm (Re=
nehan Hall).

Title: 'To the very Fountains of Mathematical Learning'. Euclid's Elements =
and the reform of university teaching around 1700.

Further details are available at  https://www.maynoot=
huniversity.ie/mathematics-and-statistics/huxleylecture2018


Le meas,

Ciar=E1n


title:: Huxley Lecture on the History of Mathematics
content:: Dr Philip Beeley
::  Maynooth University
:: presents a talk on Euclid's Elements and the reform of university teachi=
ng around 1700
date-time:: April 24 2017 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_DB5PR02MB07114BF369B9A137E7B3184E8CA70DB5PR02MB0711eurp_
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 third annual
 Huxley Lecture on the History of Ma=
thematics by Dr Philip Beeley from
 the University of Oxford, on Tuesda=
y 24th of April at 6pm (Renehan Hall).&nb=
sp;







Title: =
'=
To the
 very Fountains of Mathematical Learning'. Euclid's Elements and the reform=
 of university teaching around 1700.

 




Further details a=
re available at https=
://www.maynoothuniversity.ie/mathematics-and-statistics/huxleylecture2018





 


Le meas,



Ciar=E1n









title:: Huxley Lecture =
on the History of Mathematics

content:: Dr
 Philip Beeley

::  Maynooth Unive=
rsity 

:: presents a talk on&n=
bsp;Euclid's
 Elements and the reform of university teaching around 1700
date-time:: April 24 20=
17 at 6 p.m.

location:: Maynooth, Re=
nehan 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_DB5PR02MB07114BF369B9A137E7B3184E8CA70DB5PR02MB0711eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr  9 09:17:59 2018
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Date:         Mon, 9 Apr 2018 08:17:49 +0000
Reply-To:     "Peg.Hanrahan" 
Sender:       UCD Maths Department Distribution List 
From:         "Peg.Hanrahan" 
Subject: Maths: Seminar: Asset Prices in Segmented and Integrated Markets, Friday 13th at 4p.m. Room A2-002, University of Limerick
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--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F9336B7DEexMbx3ulcampus_
Content-Type: text/plain; charset="us-ascii"
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Content::

MACSI

The department of Mathematics and Statistics at the University of Limerick =
invites you to a seminar by Prof Paolo Guasoni (Dublin City University

Title: Asset Prices in Segmented and Integrated Markets


Abstract: This paper evaluates the effect of market integration on prices a=
nd welfare, in a model where two Lucas trees grow in separate regions with =
similar investors. We find equilibrium asset price dynamics and welfare bot=
h in segmentation, when each region holds its own asset and consumes its di=
vidend, and in integration, when both regions trade both assets and consume=
 both dividends. Integration always increases welfare. Asset prices may inc=
rease or decrease, depending on the time of integration, but decrease on av=
erage. Correlation in assets' returns is zero or negative before integratio=
n, but significantly positive afterwards, explaining some effects commonly =
associated with financialization.

This seminar will take place on Friday 13th April, 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_C9BCA8F5312C2B4EA668DF1DB9523C0F9336B7DEexMbx3ulcampus_
Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable









Content:: <=
/span>
 
MACSI=

 
The department of Mat=
hematics and Statistics at the University of Limerick invites you to a semi=
nar by Prof Paolo Guasoni (Dublin City University
 
Title:
Asset Prices in Segmented and Integrated Market=
s
 
Abstract:
This paper evaluates the effect of market integ=
ration on prices and welfare, in a model where two Lucas trees grow in sepa=
rate regions with similar investors. We find equilibrium asset price dynami=
cs and welfare both in segmentation,
 when each region holds its own asset and consumes its dividend, and in int=
egration, when both regions trade both assets and consume both dividends. I=
ntegration always increases welfare. Asset prices may increase or decrease,=
 depending on the time of integration,
 but decrease on average. Correlation in assets' returns is zero or negativ=
e before integration, but significantly positive afterwards, explaining som=
e effects commonly associated with financialization. 
 
This seminar will tak=
e place on
Friday 13^th April, 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 Ha=
nrahan

MACSI Administrator

Department of Mathematics & Statistics

University of Limerick

Telephone: 353 61 213013

e-mail peg.hanrahan ul.ie

 
 
 
 
 
 




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From owner-mathdep LISTSERV.HEANET.IE  Mon Apr  9 12:51:05 2018
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UCD Algebra and Number Theory Seminar

Speaker: Damjana Kokol Bukovsek (Ljubljana)

Title: Commuting graph of the algebra of matrices

Abstract: Let A be a groupoid, that is, a nonempty set equipped with an inner operation, 
written as a product ab. The essence of commutativity relation on A is captured in its
commuting graph \Gamma(A). By definition, this is a simple graph whose vertices are
all non central elements of A and where two distinct vertices a and b are connected if
they commute in A. One of the basic properties of a graph is its diameter and connectedness.
This question turned out to be surprisingly hard for the commuting graphs.

We will consider the commuting graph of M_n(F), the algebra of n x n matrices over a field F. 
If F is algebraically closed and n is greater than or equal to 3, then the diameter of the 
commuting graph \Gamma(M_n(F)) is 4. The diameter of a connected commuting graph of
M_n(F) is bounded above by 6. The commuting graph of M_n(\mathbb{Q}) is disconnected for
any n greater than or equal to 2, but for each prime greater than or equal to 7 there exist two
similar matrices A and B in M_{2p}(\mathbb{Q}) at maximal possible distance 6. If F is a finite field, then \Gamma(M_n(F)) is a finite graph and it has the following properties: if n is greater than or equal to 4 and even, then its diameter is 4. If n is prime, then it is disconnected. If n is 
odd and is neither a prime nor a square of a prime, then its diameter is at most 5. 

Date: Thursday, April 19, 2018
Time: 2:00pm
Location: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01

title:: UCD Algebra and Number Theory Seminar
content:: Damjana Kokol Bukovsek (Ljubljana) will speak on
:: Commuting graph of the algebra of matrices
date-time:: Thursday, April 19, 2018 at 2:00pm
location:: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01
endevent::

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Date:         Wed, 11 Apr 2018 11:52:04 +0100
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Subject: maths: Geometric Computation, Dublin, June: call for registration and papers
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      CALL FOR REGISTRATION AND CONTRIBUTED TALKS
 
 This workshop will run from Sunday 17 June (reception)
 through Thursday 21 June, in Trinity College, Dublin. It is
 supported by the HMI (Hamilton Mathematics Institute, TCD).
 
 There will be lectures from 5 invited speakers, plus short
 talks by participants (see www.maths.tcd.ie/~hmigca-18),
 in important areas of Computational Geometry and Topology.
 
 Areas of application include data-structures in high dimensional spaces,
 engineering design, and data analysis in multimedia, medicine,
 and finance.
 
 The talks will be invaluable for students, postdocs, researchers in
 other areas, and other computational geometers.
 
 If you would like to contribute a short talk, you can indicate so on the
 registration form. Subject to time constraints, proposed talks will
 be considered by the committee on a first-come-first-served basis.
 
 Registration is free, but it is required.  The registration
 form can be downloaded from the website.
 
 Accommodation: there are some on-campus apartments available.
 They are offered at special promotional rates, and graduate
 students taking on-campus apartments will have the cost partly
 reimbursed.
 
 You can indicate your interest in an apartment through the
 registration form. In that case, if apartments are still available,
 you will receive a special promotion code by email.
 But please note that demand is high.
 
 For more details:
       www.maths.tcd.ie/~hmigca-18
       hmigca-18 maths.tcd.ie
 
 Best wishes from the workshop organisers
 Rolf Klein, Colm O Dunlaing, Jose Refojo, and Chee-Keng Yap.

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Date:         Wed, 11 Apr 2018 14:37:08 +0000
Reply-To:     "Dendrinos, Spyridon" 
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Subject: maths: UCC Mathematics Seminar
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Dear Colleagues,

You are all welcome to the following seminar:

UCC Mathematics Seminar

Time and location: 4-5pm, Tuesday 17 April, WGB G08

Speaker: Neil O'Connell (UCD)

Title: Birational RSK correspondence and Whittaker functions

Abstract:

The Robinson-Schensted-Knuth (RSK) correspondence is a combinatorial biject=
ion which plays an important role in the theory of Young tableaux and symme=
tric functions, particularly in understanding combinatorial aspects of Schu=
r polynomials (Cauchy-Littlewood identity, Littlewood-Richardson rule, etc.=
). I will give some background on this and then explain how a birational ve=
rsion of the RSK correspondence provides a similar `combinatorial=92 framew=
ork 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 th=
e classical Whittaker functions in the case n=3D2.


Best regards,

Spyros Dendrinos


--_000_DB7PR02MB3819B503DFDC5D74A8753F02BABD0DB7PR02MB3819eurp_
Content-Type: text/html; charset="Windows-1252"
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Dear Colleagues,

 
You are all welcome to the f=
ollowing seminar:
 
UCC Mathematics Seminar

 
Time and location:
4-5pm, Tuesday 17 April=
, WGB G08
 <=
/span>
Speaker: Neil O'Connell (UCD)

 
Title:<=
font color=3D"#222222" face=3D"Calibri,sans-serif" size=3D"3">
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-Little=
wood identity, Littlewood-Richardson
 rule, etc.). I will give some background on this and then explain how a bi=
rational version of the RSK correspondence provides a similar `combinatoria=
l=92 framework for the study of GL(n,R)-Whittaker functions.  These fu=
nctions arise in the context of automorphic
 forms associated with GL(n,R), and reduce to the classical Whittaker funct=
ions in the case n=3D2.





Best regards,
Spyros Dendrinos







--_000_DB7PR02MB3819B503DFDC5D74A8753F02BABD0DB7PR02MB3819eurp_--

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Subject: maths: UCD Probability Seminar
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*** Note slightly earlier than usual time ***

UCD Probability Seminar

Speakers:   Pierre Le Doussal and Alexandre Krajenbrink (Paris)

Title:   Large deviation tails for the KPZ equation

Date:    Wednesday, 18th April 2018

Time:    1.30pm - 3pm

Location:    UCD, 125 Science North (JK Lab)

Abstract:  We present informally recent results on the large deviations =
for the distribution of the height of a growing interface described by =
the Kardar-Parisi-Zhang equation. The large time large deviation rate =
function is calculated using Coulomb gas methods. The short time rate =
functions are also obtained for several initial conditions. The =
numerical determination of the rate function is in good agreement with =
the predictions.=20


%%%%%%%%%%

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:: Pierre Le Doussal and Alexandre Krajenbrink (Paris) will speak =
on
:: Large deviation tails for the KPZ equation
date-time::   Wednesday, 18th April 2018 at 1:30pm - 3:00pm
location:: UCD, 125 Science North (JK Lab)
endevent::


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*** Note slightly earlier than usual time ***

UCD Probability =
Seminar

Speakers:   Pierre Le =
Doussal and Alexandre Krajenbrink (Paris)

Title:   Large deviation tails for the KPZ equation

Date:    Wednesday, 18th April =
2018

Time:    1.30pm - =
3pm

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

Abstract:  We =
present informally recent results on the large deviations for the =
distribution of the height of a growing interface described by =
the Kardar-Parisi-Zhang equation. The large time large =
deviation rate function is calculated using Coulomb gas methods. The =
short time rate functions are also obtained for several initial =
conditions. The numerical determination of the rate function is in =
good agreement with the predictions. 


%%%%%%%%%%

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:: Pierre Le Doussal and Alexandre =
Krajenbrink (Paris) will speak on
:: Large deviation tails =
for the KPZ equation
date-time:: =
  Wednesday, 18th April 2018 at 1:30pm - 3:00pm
location:: UCD, 125 Science North (JK Lab)
endevent::

=

--Apple-Mail=_D02634BC-6B50-4AF1-B966-5021F68A7A53--

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this format, some or all of this message may not be legible.

--B_3606467443_1372584394
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=20

The 141th European Study Group with Industry, ESGI141, University College D=
ublin

25th-29th June 2018

=20

ESGI141 is a week-long workshop that provides a forum for industrial scient=
ists to work alongside academics on a project submitted by the industrial pa=
rticipant. ESGI=E2=80=99s started with the first Study Group in Oxford in 1968 and=
 now there are 5-7 meetings each year across Europe. A study group can accom=
modate 4 industrial projects, which are tackled by 40-80 academics ranging f=
rom PhD students to Professors.=20

=20

Workshop format:
On the first day, the industrial representative outlines their project and =
their objectives in a 40-min presentation.=20
In the following days a group of 10-20 academics (Professors and PhD studen=
ts) are devoted to brainstorming, modelling and solving the problem closely =
guided by the industrial representative.
On the Friday, the progress and recommended routes forward are presented by=
 a member of each group of academics in a 40-min presentation.
Reports on the problem deliberations are produced after the meeting.=20
=20

Join the problem solvers. If you would like to participate:

Please complete the registration form: Registration
Who can participate within the study group?
This is open to all academic staff and researchers, research assistants, an=
d postgraduate students working within the mathematical and statistical scie=
nces. Participants are free to choose which projects they would like to work=
 on. Some people like to work intensively on one project, others prefer to c=
ontribute to a number of projects.
What type of problem do we have to solve? Please see below a list of some p=
roblems at previous ESGIs
Energy and utilities: 101 projects submitted to date including: Electricity=
 price predictability and quantifying customer suitability.; Oil Blending: M=
ixing and Contamination; Piped water cooling of concrete dams.
Environment: 34 projects submitted to date including: Modelling and Optimiz=
ation of Algae Growth.; Modelling of selection and mating decisions in tree =
breeding programs.; An objective method to associate local weather extremes =
with characteristic circulation structures.
Finance: 39 projects submitted to date including: Calibrating the mean reve=
rting jump diffusion model to Australian spot electricity prices.; Optimizat=
ion of commodity portfolio management.; Estimating the volatility of propert=
y assets.
Medical and pharmaceutical: 58 projects submitted to date including: Reacti=
on-diffusion models of decontamination.; Optimal Treatment Rate During an In=
fluenza Pandemic in the Presence of Drug-Resistance Emergence.; Constitutive=
 Models for Tumour Classification.; Classification of Chemical Compound Phar=
macophore Structures.
What are the benefits of taking part?
Discovering research areas with practical applications;=20
The possibility of further collaboration with industry;=20
Highlight the talents of our students, which may lead to employment opportu=
nities within the companies.=20
The opportunity to build contacts with top researchers in Europe.
Due to the multi-disciplinary nature of the participants there is an opport=
unity to learn new statistical/mathematical methodology or approaches.
There is an intense (as we endeavour to solve the project in a week) but en=
joyable atmosphere throughout the week.=20
Is there a charge to take part?
There is no charge to take part. Lunch and dinner will be provided for all =
participants throughout the week. We have a limited amount of free full-boar=
d accommodation for participants outside Dublin. Travel expenses must be pai=
d for by the participants.=20
How does it work?
For further information please visit our website: https://maths.ucd.ie/esgi=
141/ or contact the conference planning chair, Dr Michelle Carey, at michell=
e.carey ucd.ie or 01-7162584.

=20

Kind Regards,

Dr Michelle Carey,

=20

Assistant Professor in Statistics,

Director of MSc, MA and HDip in Statistics,

School of Mathematics & Statistics,

University College Dublin,

Science Centre - South,

Belfield,

Dublin 4.

=20

Tel: +353 1 716 2584


--B_3606467443_1372584394
Content-type: text/html;
	charset="UTF-8"
Content-transfer-encoding: quoted-printable

 
The 141th European Study Group with Industry, ESGI141, University College =
Dublin
<=
span lang=3DEN-GB style=3D'color:black'>25th-29th June 2018
 
ESGI141 is a week-long workshop that provides a forum for industrial =
scientists to work alongside academics on a project submitted by the industr=
ial participant. ESGI=E2=80=99s started with the first Study Group in Oxford in 19=
68 and now there are 5-7 meetings each year across Europe. A study grou=
p can accommodate 4 industrial projects, which are tackled by 40-80 aca=
demics ranging from PhD students to Professors. 
 
Workshop format:<=
o:p>
On the first day, the industrial representative outli=
nes their project and their objectives in a 40-min presentation. 
In the following days a group of 10-20 academics (Professors and PhD students) are devoted to brainstorming, m=
odelling and solving the problem closely guided by the industrial representa=
tive.<=
/span>
<=
span style=3D'mso-bookmark:_MailOriginalBody'>On the Friday, the progress and recommended rou=
tes forward are presented by a member of each group of academics in a 40-min presentation.
Reports on the problem deliberations are produced after the meeting.<=
span class=3Dapple-converted-space> 
=
&nb=
sp;
Join the problem solvers.=
 If you would like to participate:
Please complete the =
registration form: Registration
Who can participate within the study group?
This is open to all acade=
mic staff and researchers, research assistants, and postgraduate students wo=
rking within the mathematical and statistical sciences. Participants are fre=
e to choose which projects they would like to work on. Some people like to w=
ork intensively on one project, others prefer to contribute to a number of p=
rojects.
What type of problem do we have =
to solve? Please see below a list of some problems at previous ESGIs<=
/span>
Energy and utilities:&nbs=
p;101 projects submit=
ted to date including: Elec=
tricity price predictability and quantifying customer suitability.; Oil Blending: Mixing and Contam=
ination; Piped water cooling of concrete dams.
Environment: 34 projects submitted to date =
including: Modelling and Optimization of Algae Growth.; Modelling of selection and mating decisions in tree=
 breeding programs.; =
An objective metho=
d to associate local weather extremes with characteristic circulation struct=
ures.=
Finance: 3=
9 projects submitted to date including:&nb=
sp;Calibrating the mean reverti=
ng jump diffusion model to Australian spot electricity prices.; Optimization of commodity portfolio management.; Estimating the volatility of property ass=
ets.<=
/a>
Medical and pharmaceutical: =
58 projects submitted to date including:&n=
bsp;Reaction-diffusion models o=
f decontamination.; <=
span lang=3DEN-GB style=3D'color:black;text-decoration:none'>Optimal Treatment R=
ate During an Influenza Pandemic in the Presence of Drug-Resistance Emergenc=
e.; Constitutive Models for Tumour Clas=
sification.<=
/span>;&=
nbsp;Classification of Chemical=
 Compound Pharmacophore Structures.
What are the benefits of taking part?<=
/span>=
Discovering research areas with practical applications; 
The possi=
bility of further collaboration with industry; 
Highlight the talents of our=
 students, which may lead to employment opportunities within the companies.<=
span class=3Dapple-converted-space> 
The opportunity to build contacts with top researchers in Europe=
.
Due to the =
multi-disciplinary nature of the participants there is an opportunity to lea=
rn new statistical/mathematical methodology or approaches.=
There is an intense (as we endeavour to solve the project in a =
week) but enjoyable atmosphere throughout the week. 
Is there a charge to take part?<=
/span>=
There =
is no charge to take part. Lunch and dinner will be provided for all partici=
pants throughout the week. We have a limited amount of free full-board accom=
modation for participants outside Dublin. Travel expenses must be paid for b=
y the participants. 
How does it work?
For further=
 information please visit our website: https://maths.ucd.ie/esgi141/ =
;or contact the conference planning chair, Dr Michelle Carey, at michelle.carey ucd.ie or 01-7162584.
 
Kind Regar=
ds,
Dr Michelle Ca=
rey,
 
Assistant Professor in Statistics,
Director of MSc, MA and HDip in Statistics,<=
/o:p>
School of Mathematics & St=
atistics,
Universi=
ty College Dublin,
Science Centre - South,
Belfield,
D=
ublin 4.
 
Tel: +353 1 716 2584=


--B_3606467443_1372584394--

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Date:         Fri, 13 Apr 2018 14:13:12 +0100
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From:         John Regan 
Subject: maths: CfAR Seminar - 18th April   15.00
Comments: cc: mathematicalsciences 
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Centre for Astrophysics & Relativity

www.cfar.ie

Speaker: *Dr. Brien Nolan, Centre for Astrophysics & Relativity, DCU*

Title:****Causality violation in******Godel**'s universe**
** **

Abstract: //
/In 1949, motivated by the implications of relativity theory for Kant's=20
ideas about time and change, Kurt////G//=C3=B6//del////derived a model of t=
he=20
universe within Einstein's General Relativity that has some very strange=20
chronological features: it allows for an observer to travel into their=20
own past. However, this requires extravagant amounts of fuel to=20
accelerate the observer to the required velocity, which is a significant=20
fraction of (but nevertheless less than) the speed of light. I'll=20
discuss this model as a means of providing an introduction to some key=20
ideas in General Relativity, including the concepts of geodesic motion,=20
space-time symmetry and causality. I'll review what is and isn't=20
possible in relation to causality violation in G//=C3=B6//del's universe, i=
n=20
particular discussing=C2=A0a new result that shows how any observer can sen=
d=20
a signal to their own past, without the need for acceleration or=20
unattainably high velocities. /*/

Date: Wednesday 18th /April//**//**/  1/**/5.00. Tea/Coffee will be=20
served in HG23 from 14.45. /*/

/Location: Nursing Building (H 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 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

  =20
=20
=20


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       Centre for Astrophysics & Relativity 

         

      
        www.cf=
ar.ie

        
        Speaker: Dr. Brien Nolan, Centre for
              Astrophysics & Relativity, DCU
        
        Title: =
Causality
                  violation in Godel's
                  universe
            

          
          

        Abstract: 

        In 1949, motivated by the implications of relativity theory
          for Kant's ideas about time and change, Kurt=C2=A0G=C3=B6del=C2=A0derived
          a model of the universe within Einstein's General Relativity
          that has some very strange chronological features: it allows
          for an observer to travel into their own past. However, this
          requires extravagant amounts of fuel to accelerate the
          observer to the required velocity, which is a significant
          fraction of (but nevertheless less than) the speed of light.
          I'll discuss this model as a means of providing an
          introduction to some key ideas in General Relativity,
          including the concepts of geodesic motion, space-time symmetry
          and causality. I'll review what is and isn't possible in
          relation to causality violation in G=C3=B6del's
          universe, in particular discussing=C2=A0a new result that shows h=
ow
          any observer can send a signal to their own past, without the
          need for acceleration or unattainably high velocities. =


              

              Date: Wednesday 18th April =
  15.00.
              Tea/Coffee will be served in HG23 from 14.45. =


              

            Location: Nursing Building
          (H 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
    

  




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This e-mail and any files transmitted with it are confidential and a=
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Date:         Fri, 13 Apr 2018 15:40:46 +0000
Reply-To:     "Henry, David" 
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From:         "Henry, David" 
Subject: maths: UCC Applied Mathematics Seminar, Thursday 19 April
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Dear Colleagues,


All are welcome at the following seminar:


UCC Applied Mathematics Seminar

Speaker: Geoffrey Vallis (University of Exeter)

Time and location: 12pm, Thursday 19 April, WGB G02

Title: Rainy-Benard Convection

Abstract: Rayleigh=96Benard convection is one of the most well-studied mode=
ls in fluid mechanics. Atmospheric convection, one of the most important co=
mponents of the climate system, is by comparison complicated and poorly und=
erstood.  In this talk I will present an idealized model of moist Rayleigh=
=96B=E9nard convection by taking the Boussinesq limit of the ideal gas equa=
tions and adding a condensate that obeys a simplified Clausius=96Clapeyron =
relation. The model has some interesting properties, including an exact =91=
drizzle' solution that is the moist generalization of the conductive soluti=
on in the classical problem. The stability properties of this state have so=
me resemblance to =91stick-slip=92 problems in mechanics, with a sudden tra=
nsition when saturation occurs. I will also show some fully nonlinear, time=
-dependent solutions.





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





Lines for mathdep calendar:

title:: UCC Applied Maths Seminar
date-time:: Thursday 19 April AT 12pm
location:: WGB G02
content:: Geoffrey Vallis

:: (University of Exeter)
:: presents a talk entitled
:: "Rainy-Benard Convection"
endevent::



--_000_DB3PR02MB028194B132EA1404C09FF73B8FB30DB3PR02MB0281eurp_
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Dear Colleagues,



















All are welcome at the following seminar:



UCC Applied Mathematics Seminar 





Speaker: =
Geoffrey
 Vallis (University of Exeter)



Time and location: 12pm, Thursday 19 April, WGB G02


Title: =
Rainy-Benard Convection<=
/span>



Abstract: Rayleigh=96Benard convection is one of the most well-studied =
models in fluid mechanics. Atmospheric convection, one of the most importan=
t components of the climate system, is by comparison complicated and poorly=
 understood.  In this talk I will
 present an idealized model of moist Rayleigh=96B=E9nard convection by taki=
ng the Boussinesq limit of the ideal gas equations and adding a condensate =
that obeys a simplified Clausius=96Clapeyron relation. The model has some i=
nteresting properties, including an exact
 =91drizzle' solution that is the moist generalization of the conductive so=
lution in the classical problem. The stability properties of this state hav=
e some resemblance to =91stick-slip=92 problems in mechanics, with a sudden=
 transition when saturation occurs. I
 will also show some fully nonlinear, time-dependent solutions. 










































=


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


































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



title:: UCC 
Applied 
Maths 
Seminar

date-time:: Thursday 19 April AT 12pm

location:: WGB G02

content:: Geoffrey Vallis

<=
/span>

:: <=
font size=3D"2" face=3D"Times New Roman">(University
 of Exeter)<=
/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>Rainy-Benard
 Convection<=
/span>"

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




<=
/font>



































































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Date:         Mon, 16 Apr 2018 08:43:27 +0000
Reply-To:     "Peg.Hanrahan" 
Sender:       UCD Maths Department Distribution List 
From:         "Peg.Hanrahan" 
Subject: MATHS: Seminar: Domain Decomposition Methods with Adaptive Multipreconditioning, Friday 20th 4p.m. Room A2-002
To:           MATHDEP LISTSERV.HEANET.IE
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Content-Type: text/plain; charset="iso-8859-1"
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Content::


MACSI


The department of Mathematics and Statistics at the University of Limerick =
invites you to a seminar by Dr Nicole Spillane (=C9cole Polytechnique):

Title: Domain Decomposition Methods with Adaptive Multipreconditioning

Abstract: Domain Decomposition Methods with Adaptive Multipreconditioning D=
omain decomposition methods are a family of solvers for the parallel resolu=
tion of very large linear systems. They all share the idea of approximating=
 the inverse of some matrix by a sum of local inverses (in the so-called su=
bdomains). I will present some classical domain decomposition methods, thei=
r limitations and some recent efforts to improve their robustness and scala=
bility so that they can be applied to problems arising from real life simul=
ations. More precisely, I will present two methods: spectral coarse spaces =
and adaptive multi- preconditioning.

This seminar will take place on Friday 20th April, 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_C9BCA8F5312C2B4EA668DF1DB9523C0F9336F7F2exMbx3ulcampus_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable









 
Content::
 
 
MACSI=

 
 
The department of Mat=
hematics and Statistics at the University of Limerick invites you to a semi=
nar by Dr Nicole Spillane (=C9cole Polytechnique):
 
Title:<=
span style=3D"font-size:12.0pt;font-family:"Times New Roman",seri=
f;mso-fareast-language:EN-IE"> Domain Decomposition Methods
 with Adaptive Multipreconditioning
 
Abstract: Domain Decomposition Methods
 with Adaptive Multipreconditioning Domain decomposition methods are a fami=
ly of solvers for the parallel resolution of very large linear systems. The=
y all share the idea of approximating the inverse of some matrix by a sum o=
f local inverses (in the so-called
 subdomains). I will present some classical domain decomposition methods, t=
heir limitations and some recent efforts to improve their robustness and sc=
alability so that they can be applied to problems arising from real life si=
mulations. More precisely, I will
 present two methods: spectral coarse spaces and adaptive multi- preconditi=
oning.

 
This seminar will tak=
e place on
Friday 20^th April, 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_C9BCA8F5312C2B4EA668DF1DB9523C0F9336F7F2exMbx3ulcampus_--

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Reply-To:     Mark Walsh 
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From:         Mark Walsh 
Subject: Maths: Colloquium at Maynooth University,
Comments: To: MathsStatsStaff
          
To:           MATHDEP LISTSERV.HEANET.IE
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Dear colleagues,


This week's colloquium is on Wednesday (18th April) at 4pm in MS2, Logic Ho=
use, Maynooth and features Stacy Law from Cambridge.

See attached title/asbtract.


All welcome,


Mark

________________________________

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Dear colleagues,



This week's colloquium is on Wedn=
esday (18th April) at 4pm in MS2, Logic House, Maynooth and features Stacy =
Law from Cambridge.
See attached title/asbtract.





All welcome,



Mark







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Dear All,

We will have a Seminar Tuesday (April 19) at 4pm in ADB1020.


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



Bill Jackson

from Queen Mary University of London

will speak on



=E2=80=9CRigidity of linearly-constrained frameworks=E2=80=9D

Abstract. We consider the problem of characterising the generic rigidity  o=
f
bar-joint frameworks in $\R^d$ in which each vertex is constrained to lie
in a given affine subspace. The special case when $d=3D2$ was solved by I.
Streinu and L. Theran in 2010. We extend their characterisation to the case
when $d\geq 3$ and each vertex is constrained to lie on an affine subspace
of dimension at most two. This is joint work with Hakan Guler and Anthony
Nixon.

Contact: Jim Cruickshank



Hoping to see you all there,



Haixuan and Michael



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

--000000000000bd951c0569f591b6
Content-Type: text/html; charset="UTF-8"
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Dea=
r All,


We w=
ill have a Seminar Tuesday (April 19) 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


Bill=
 Jackson=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=C2=A0=C2=A0=C2=A0=C2=A0 


from=
 Queen Mary University of London


will=
 speak on


=C2=
=A0


=E2=
=80=9CRigidity of
linearly-constrained frameworks=E2=80=9D


Abs=
tract. We consider the
problem of characterising the generic rigidity=C2=A0
of bar-joint frameworks in $\R^d$ in which each vertex is constraine=
d to
lie in a given affine subspace. The special case when $d=3D2$ was solved by=
 I.
Streinu and L. Theran in 2010. We extend their characterisation to the case
when $d\geq 3$ and each vertex is constrained to lie on an affine subspace =
of
dimension at most two. This is joint work with Hakan Guler and Anthony Nixo=
n.


Cont=
act: Jim Cruickshank


=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/




--000000000000bd951c0569f591b6--

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Date:         Mon, 16 Apr 2018 14:13:16 +0000
Reply-To:     Mark Walsh 
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From:         Mark Walsh 
Subject: Maths: Colloquium at Maynooth University,
Comments: To: MathsStatsStaff
          
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Dear colleagues,


This week's colloquium is on Wednesday (18th April) at 4pm in MS2, Logic Ho=
use, Maynooth and features Stacy Law from Cambridge.

See attached title/asbtract.


All welcome,


Mark

________________________________

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Dear colleagues,



This week's colloquium is on Wed=
nesday (18th April) at 4pm in MS2, Logic House, Maynooth and features Stacy=
 Law from Cambridge.
See attached title/asbtract.





All welcome,



Mark










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From:         Seminars Maths NUIG 
Subject: Re: Maths: Seminar in NUI Galway
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Apologies. A mistake:  the day should be Thursday (April 19) -- not
Tuesday. --Haixuan

On Mon, Apr 16, 2018 at 12:31 PM, Seminars Maths NUIG <
mathseminarsnuig gmail.com> wrote:

> Dear All,
>
> We will have a Seminar Tuesday (April 19) at 4pm in ADB1020.
>
>
> Coffee/tea/cakes/biscuits will be served in ADB-G022 from 3:30.
>
>
>
> Bill Jackson
>
> from Queen Mary University of London
>
> will speak on
>
>
>
> =E2=80=9CRigidity of linearly-constrained frameworks=E2=80=9D
>
> Abstract. We consider the problem of characterising the generic rigidity =
 of
> bar-joint frameworks in $\R^d$ in which each vertex is constrained to lie
> in a given affine subspace. The special case when $d=3D2$ was solved by I=
.
> Streinu and L. Theran in 2010. We extend their characterisation to the ca=
se
> when $d\geq 3$ and each vertex is constrained to lie on an affine subspac=
e
> of dimension at most two. This is joint work with Hakan Guler and Anthony
> Nixon.
>
> Contact: Jim Cruickshank
>
>
>
> Hoping to see you all there,
>
>
>
> Haixuan and Michael
>
>
>
> Future seminars are listed at http://www.nuigalway.ie/
> science/school-of-maths/seminars/
>

--0000000000002b27220569f9e2a8
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Apologies. A mistake:=C2=A0=C2=A0the day should be Thursda=
y (April 19) -- not Tuesday. --Haixuan=C2=A0
On Mon, Apr 16, 2018 at 12:31 PM, Seminars=
 Maths NUIG <mathseminarsnuig gmail.com> wrote:
=


Dea=
r All,


We w=
ill have a Seminar Tuesday (April 19) 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


Bill=
 Jackson=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=C2=A0=C2=A0=C2=A0=C2=A0 =


from=
 Queen Mary University of London


will=
 speak on


=C2=
=A0


=E2=
=80=9CRigidity of
linearly-constrained frameworks=E2=80=9D


Abs=
tract. We consider the
problem of characterising the generic rigidity=C2=A0
of bar-joint frameworks in $\R^d$ in which each vertex is constraine=
d to
lie in a given affine subspace. The special case when $d=3D2$ was solved by=
 I.
Streinu and L. Theran in 2010. We extend their characterisation to the case
when $d\geq 3$ and each vertex is constrained to lie on an affine subspace =
of
dimension at most two. This is joint work with Hakan Guler and Anthony Nixo=
n.


Cont=
act: Jim Cruickshank


=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/sc=
ience/school-of-maths/seminars/






--0000000000002b27220569f9e2a8--

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Subject: maths: UCD Algebra and Number Theory Seminar
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UCD Algebra and Number Theory Seminar

Speaker: Chris Jennings-Shaffer (Cologne)

Title: Modular forms from partitions

Abstract: We give a brief introduction to integer partitions and how they produce modular
objects. We begin with q-series representations of generating functions and
examples of modular forms, including the celebrated Rogers-Ramanujan identities.
Moving beyond modular forms, we also explain how integer partition type
functions arise as mock modular forms. Going even further, we give an example of
a higher depth mock modular form coming from a certain partition function, as
established in joint work with Bringmann and Mahlburg. No prior knowledge of
modular forms, partitions, or q-series will be assumed.

Date: Thursday, April 26, 2018
Time: 2:00pm
Location: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01

title:: UCD Algebra and Number Theory Seminar
content:: Chris Jennings-Shaffer (Cologne) will speak on
:: Modular forms from partitions
date-time:: Thursday, April 26, 2018 at 2:00pm
location:: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Thu Apr 19 13:33:55 2018
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                    ANALYSIS SEMINAR



Tuesday 24th April, 2018  at 4.00pm  (place: UCD  Science North 125 )

Speaker: M. Golitsyna 
Title: Overconvergent properties of Dirichlet series 

Abstract
In this talk I will describe overconvergent properties of
Dirichlet series with regard to the behavior of their
partial sums near infinity. The results are inspired by
corresponding phenomena for Taylor series, which were
recently discovered using the notion of thinness. 


______________________________
C. Boyd , R. Timoney .

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



Lines for mathdep web calendar entry:

title:: ANALYSIS SEMINAR
content:: M. Golitsyna  will speak on
::  Overconvergent properties of Dirichlet series 
date-time:: Tuesday 24th April, 2018  at 4.00pm 
location:: UCD  Science North 125 
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Thu Apr 19 15:44:14 2018
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Subject: maths: DIT Mathematical Sciences Seminar, Friday 27th April 2018
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--001a114b60506a3ab0056a349912
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DIT Mathematical Sciences Seminar

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

Title: On mathematical models for microelectromechanical systems



Speaker: Prof Joachim Escher (Leibniz University Hannover)



Date and time: 1pm, Friday 27th April 2018



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



Abstract:



A review of some recent results on mathematical models for
microelectromechanical systems with general permittivity profile will be
presented. These models consist of a quasilinear parabolic evolution
problem for the displacement of an elastic membrane coupled with an
elliptic moving boundary problem that determines the electrostatic
potential in the region occupied by the elastic membrane and a rigid ground
plate.

Local well-posedness, global existence, the occurrence of finite-time
singularities, and convergence of solutions to those of the so-called
small-aspect ratio model, respectively, are addressed. Furthermore, a topic
is addressed that is of note not till non-constant permittivity profiles
are taken into account -- the direction of the membrane's deflection or, in
mathematical parlance, the sign of the solution to the evolution
problem.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).



All Welcome, light refreshments provided

--=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 |=
 Institi=C3=BAid
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 |  jslbutler


Google Scholar Profile
 | Resear=
ch
Gate Profile 

--=20


This email originated from DIT. If you received this email in error,=20
please delete it from your system. Please note that if you are not the=20
named addressee, disclosing, copying, distributing or taking any action=20
based on the contents of this email or attachments is prohibited.=C2=A0
www.dit.ie 

Is =C3=B3 ITB=C3=81C
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on the move to Grangegorman 

--001a114b60506a3ab0056a349912
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DIT Mathematical Sciences=C2=A0Seminar

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

Titl=
e:=C2=A0On mathematical models for microelectromechanical systems

=C2=A0

Spea=
ker: Prof Joachim Escher (Leibniz University Hannover)

=C2=
=A0

Date=
 and time: 1pm, Friday 27th April 2018

=C2=A0

Venu=
e: Blue Room, 4th floor, Main Building, DIT Kevin Street

=C2=A0

Abst=
ract:

=C2=A0

A re=
view of some recent results on mathematical models for
microelectromechanical systems with general permittivity profile will be pr=
esented.
These models consist of a quasilinear parabolic evolution problem for the
displacement of an elastic membrane coupled with an elliptic moving boundar=
y
problem that determines the electrostatic potential in the region occupied =
by
the elastic membrane and a rigid ground plate. 

Loca=
l well-posedness, global existence, the occurrence of finite-time
singularities, and convergence of solutions to those of the so-called
small-aspect ratio model, respectively, are addressed. Furthermore, a topic=
 is
addressed that is of note not till non-constant permittivity profiles are t=
aken
into account -- the direction of the membrane's deflection or, in mathe=
matical
parlance, the sign of the solution to the evolution problem.2015).=C2=A0
=C2=A0This research also examines the declining standard in basic mathemati=
cs
skills in light of curriculum changes in second level education (Treacy,
Faulkner and Prendergast 2016).=C2=A0

=C2=A0

All
Welcome, light refreshments provided






-- 
Dr John S Butler=

Lecturer | School =
of Mathematical Sciences | Dublin Institute of Technology | Kevin Street | =
Dublin 8 | Ireland
L=C3=A9acht=C3=B3ir=C2=A0| Scoil na nEola=C3=ADochta=C3=AD Matamaitici=C3=BAla | Institi=C3=BAid Te=
icneola=C3=ADochta Bhaile =C3=81tha Cliath | Sr=C3=A1id Chaoimh=C3=ADn | Ba=
ile =C3=81tha Cliath 8 | =C3=89ire
www.dit.=
ie=C2=A0|=C2=A0w=
ww.maths.dit.ie=C2=A0|=C2=A0www.m=
aths.dit.ie/~johnbutler=C2=A0|=C2=A0 jslbutler
=
Google Scholar Profile=C2=A0|=C2=A0<=
/font>Research Gate Profile






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Date:         Fri, 20 Apr 2018 15:37:30 +0000
Reply-To:     "Henry, David" 
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Subject: maths: UCC Applied Mathematics Seminars, Thursday 26 April
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Dear Colleagues,

All are welcome at the following two seminars:


UCC Applied Mathematics Seminars


Speaker: Gabriele Villari (University of Florence)

Time and location: 2pm, Thursday 26 April, WGB G02

Title: Some results for existence and uniqueness of limit cycles for the Li=
=E9nard equation

Abstract: The aim of this talk is to present certain new results on the exi=
stence and uniqueness of limit cycles for the Li=E9nard equation, which gen=
eralize some classical ones. In particular, the uniqueness result due to Ma=
ssera will be discussed, as well as the results, which are based on the fir=
st paper due to Li=E9nard and are still investigated. All the results are b=
ased on phase-plane analysis, both in the phase-plane and in the Li=E9nard =
plane. The structure of the talk is such that it is not necessary to have a=
 strong background in this field area, and therefore the talk is directed n=
ot only to people working on this subject.

***************************************************************************=
************
Tea / coffee
***************************************************************************=
************

Speaker: John Gibbon (Imperial College London)

Time and location: 3.30pm, Thursday 26 April, WGB G02

Title: The Rayleigh-Taylor instability

Abstract: The Rayleigh-Taylor instability (RTI) is a phenomenon that has a =
long-standing history. It appears in laboratory mixing experiments, laser p=
lasma devices and astro-physical phenomena. The RTI in miscible fluids can =
be modelled by considering the evolution of the gradient of the composition=
 density in a buoyancy-driven turbulent flow. Data first produced in simula=
tions by Livescu and Ristorcelli (2007) (publicly available on the Johns Ho=
pkins Turbulence Database) is analysed in terms of this model which shows e=
xtremely rapid growth in the density gradient. In contrast, the RTI also ap=
pears in immiscible fluids, particularly in materials science where phase f=
ield physicists use the Cahn-Hilliard-Navier-Stokes equations to model this=
 phenomenon. I will present some brief mathematical results on this latter =
problem.

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


Lines for mathdep calendar:

title:: UCC Applied Maths Seminar
date-time:: Thursday 26 April AT 2pm
location:: WGB G02
content:: Gabriele Villari
:: (University of Florence)
:: presents a talk entitled
:: "Some results for existence and uniqueness of limit cycles for the Li=E9=
nard equation"
endevent::

title:: UCC Applied Maths Seminar
date-time:: Thursday 26 April AT 3.30pm
location:: WGB G02
content:: John Gibbon
:: (Imperial College London)
:: presents a talk entitled
:: "The Rayleigh-Taylor instability"
endevent::




--_000_DB3PR02MB0281660C3923A35C41B316C28FB40DB3PR02MB0281eurp_
Content-Type: text/html; charset="iso-8859-1"
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Dear Colleagues,












All are welcome at the following two seminars:












































UCC Applied Mathematics Seminars







Speaker: Gabriele
 Villari (University of Florence)=




Time and location: 2pm, Thursday 26 April, WGB G02


Title: Some results for existence and uniqueness of limit c=
ycles for the Li=E9nard equation


=



Abstract: The aim of this talk is to present certain new results on the=
 existence and uniqueness of limit cycles for the Li=E9nard equation, which=
 generalize some classical ones. In particular, the uniqueness result due t=
o Massera will be discussed, as well
 as the results, which are based on the first paper due to Li=E9nard and ar=
e still investigated. All the results are based on phase-plane analysis, bo=
th in the phase-plane and in the Li=E9nard plane. The structure of the talk=
 is such that it is not necessary to
 have a strong background in this field area, and therefore the talk is dir=
ected not only to people working on this subject. 



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


Tea / coffee

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



Speaker: =
<=
font size=3D"3" color=3D"black" face=3D"Calibri,Helvetica,sans-serif,EmojiF=
ont,Apple Color Emoji,Segoe UI Emoji,NotoColorEmoji,Segoe UI Symbol,Android=
 Emoji,EmojiSymbols">John
 Gibbon (Imperial College London)=




Time and location: 3.30pm, Thursday 26 April, WGB G02


Title: The Rayleigh-Taylor instability


<=
/span>

Abstract: The Rayleigh-Taylor instability (RTI) is a phenomenon t=
hat has a long-standing history. It appears in laboratory mixing experiment=
s, laser plasma devices and astro-physical phenomena. The RTI in miscible f=
luids can be modelled by considering
 the evolution of the gradient of the composition density in a buoyancy-dri=
ven turbulent flow. Data first produced in simulations by Livescu and Risto=
rcelli (2007) (publicly available on the Johns Hopkins Turbulence Database)=
 is analysed in terms of this model
 which shows extremely rapid growth in the density gradient. In contrast, t=
he RTI also appears in immiscible fluids, particularly in materials science=
 where phase field physicists use the Cahn-Hilliard-Navier-Stokes equations=
 to model this phenomenon. I will
 present some brief mathematical results on this latter problem.




=


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




Lines for mathdep calendar:


title:: UCC Applied Maths Seminar
date-time:: Thursday 26 April AT 2pm

location:: WGB G02

content:: Gabriele Villari

:: (University of Florence)

:: presents a talk entitled

:: "Some results for existence and un=
iqueness of limit cycles for the Li=E9nard equation"

endevent::



title:: UCC Applied Maths Seminar
date-time:: Thursday 26 April AT 3.30pm

location:: WGB G02

content:: John Gibbon

:: (Imperial College London)

:: presents a talk entitled

:: "The Rayleigh-Taylor instability&q=
uot;

endevent::




























































--_000_DB3PR02MB0281660C3923A35C41B316C28FB40DB3PR02MB0281eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 23 10:42:32 2018
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Date:         Mon, 23 Apr 2018 10:41:55 +0100
Reply-To:     Tristan Mc Loughlin 
Sender:       UCD Maths Department Distribution List 
From:         Tristan Mc Loughlin 
Subject: maths: Theoretical Physics Seminar - TCD - 25 April 2018
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TCD THEORETICAL PHYSICS SEMINAR

Wednesday, 25 April 2018, 4:00 pm

Seminar Room, House 20
School of Mathematics
Trinity College Dublin

Speaker: Juan Miguel Nieto (UCM)

Title: Quantum corrections to the dispersion relation in flux-deformed AdS_3/CFT_2

Abstract: In this talk I will present the computation of the one-loop correction
to the classical dispersion relation of rigid closed spinning strings
with two equal angular momenta in the AdS_3 \times S^3 \times T^4
background supported with a mixture of R-R and NS-NS three-form fluxes.
This analysis is performed by means of two different methods. The first
method relies on the quadratic fluctuations around the classical
solution, while the second one exploits the underlying integrability of
the problem through the algebraic curve. We find that the one-loop
correction vanishes in the pure NS-NS limit.


All are welcome.


title::TCD Theoretical Physics Seminar
content:: Juan Miguel Nieto (UCM)
::Quantum corrections to the dispersion relation in flux-deformed AdS_3/CFT_2::
date-time:: 25 April 2018 at 4:00pm
location:: Seminar Room House 20, TCD
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 23 11:25:30 2018
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Date:         Mon, 23 Apr 2018 10:25:23 +0000
Reply-To:     "Peg.Hanrahan" 
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From:         "Peg.Hanrahan" 
Subject: MATHS: Seminar: Nonlinear edge diffusion and the discrete maximum principle, Friday 27th April at 4p.m, Room A2-002, University of Limerick
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--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F933723F6exMbx3ulcampus_
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Content::




MACSI


The department of Mathematics and Statistics at the University of Limerick =
invites you to a seminar by  Dr Gabriel Barrenechea (University of Strathcl=
yde):

Title: Nonlinear edge diffusion and the discrete maximum principle

Abstract:. Nonlinear edge diffusion and the discrete maximum principle In t=
his talk I will review recent results on the analysis of shock-capturing-ty=
pe methods applied to convection-dominated problems. The method of choice i=
s a variant of the Algebraic Flux-Correction (AFC) scheme. This scheme has =
received some attention over the last two decades due to its very satisfact=
ory numerical performance. Despite this attention, until very recently ther=
e was no stability and convergence analysis for it. Thus, the purpose of th=
e works reviewed in this talk was to bridge that gap. The first step toward=
s the full analysis of the method is a rewriting of it as a nonlinear edge-=
based diffusion method. This writing makes it possible to present a unified=
 analysis of the different variants of it. So, minimal assumptions on the c=
omponents of the method are stated in such a way that the resulting scheme =
satisfies the Discrete Maximum Principle (DMP) and is convergent. One prope=
rty that will be discussed in detail is the linearity preservation. This pr=
operty has been linked to the good performance of methods of this kind. We =
will discuss in detail its role and the impact of it in the overall converg=
ence of the method. Time permitting, some results on a posteriori error est=
imation will also be presented.
This talk will gather contributions with A. Allendes (UTFSM, Chile), E. Bur=
man (UCL, UK), V. John (WIAS, Berlin), F. Karakatsani (Chester, UK), P. Kno=
bloch (Prague, Czech Republic), and R. Rankin (U. of Nottingham, China).


This seminar will take place on Friday 27th April, 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.










--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F933723F6exMbx3ulcampus_
Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable









Content::
 
 
 
 
MACSI=

 
 
The department of Mat=
hematics and Statistics at the University of Limerick invites you to a semi=
nar by  Dr Gabriel Barrenechea (University of
 Strathclyde):
 
Title:<=
span style=3D"font-size:12.0pt;font-family:"Times New Roman",seri=
f;mso-fareast-language:EN-IE"> Nonlinear edge diffusion and
 the discrete maximum principle
 
Abstract:. Nonlinear edge diffusion
 and the discrete maximum principle In this talk I will review recent resul=
ts on the analysis of shock-capturing-type methods applied to convection-do=
minated problems. The method of choice is a variant of the Algebraic Flux-C=
orrection (AFC) scheme. This scheme
 has received some attention over the last two decades due to its very sati=
sfactory numerical performance. Despite this attention, until very recently=
 there was no stability and convergence analysis for it. Thus, the purpose =
of the works reviewed in this talk
 was to bridge that gap. The first step towards the full analysis of the me=
thod is a rewriting of it as a nonlinear edge-based diffusion method. This =
writing makes it possible to present a unified analysis of the different va=
riants of it. So, minimal assumptions
 on the components of the method are stated in such a way that the resultin=
g scheme satisfies the Discrete Maximum Principle (DMP) and is convergent. =
One property that will be discussed in detail is the linearity preservation=
. This property has been linked
 to the good performance of methods of this kind. We will discuss in detail=
 its role and the impact of it in the overall convergence of the method. Ti=
me permitting, some results on a posteriori error estimation will also be p=
resented.

This talk will gather=
 contributions with A. Allendes (UTFSM, Chile), E. Burman (UCL, UK), V. Joh=
n (WIAS, Berlin), F. Karakatsani (Chester, UK),
 P. Knobloch (Prague, Czech Republic), and R. Rankin (U. of Nottingham, Chi=
na).
 
 
This seminar will tak=
e place on
Friday 27^th April, 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.
 
 
 
 
 
 
 
 
 




--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F933723F6exMbx3ulcampus_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 23 12:09:23 2018
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Date:         Mon, 23 Apr 2018 12:09:00 +0100
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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--000000000000a60f11056a8210e1
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Dear All,

We will have a Seminar Thursday (April 26) at 4pm in ADB1020.


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



Anthony Brown

from UCD

will speak on



=E2=80=9CNon-homogeneous tensor products and norms of projections between s=
paces of
polynomials=E2=80=9D

Abstract: We will introduce the concept of a non-homogeneous symmetric
tensor product along with an associated norm, which plays the role of the
projective norm on an ordinary tensor product.



With the aid of a duality result, we will use this norm to answer questions
about projection mappings between spaces of non-homogeneous polynomials.



We will show that Chebyshev polynomials play a large part in approximately
two thirds of the cases. However, the question remains open in the
remaining third of cases, and we will show that in these cases, the
projection norm does not have to be an integer, indicating that a different
type of polynomial is needed.



Contact: Ray Ryan



Hoping to see you all there,



Haixuan and Michael



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

--000000000000a60f11056a8210e1
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable



Dea=
r All,


We w=
ill have a Seminar Thursday (April 26) 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


Anth=
ony Brown=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=
 UCD


will=
 speak on


=C2=
=A0


=E2=
=80=9CNon-homogeneous tensor
products and norms of projections between spaces of polynomials=E2=80=9D


Abst=
ract: We will introduce the concept of a non-homogeneous
symmetric tensor product along with an associated norm, which plays the rol=
e of
the projective norm on an ordinary tensor product.


=C2=
=A0


With=
 the aid of a duality result, we will use this norm to
answer questions about projection mappings between spaces of non-homogeneou=
s polynomials.


=C2=
=A0


We w=
ill show that Chebyshev polynomials play a large part in
approximately two thirds of the cases. However, the question remains open i=
n the
remaining third of cases, and we will show that in these cases, the project=
ion
norm does not have to be an integer, indicating that a different type of
polynomial is needed.


=C2=
=A0


Cont=
act: Ray Ryan


=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/




--000000000000a60f11056a8210e1--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 23 15:00:58 2018
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Date:         Mon, 23 Apr 2018 15:00:31 +0100
Reply-To:     Marina Krstic Marinkovic 
Sender:       UCD Maths Department Distribution List 
From:         Marina Krstic Marinkovic 
Subject: maths: HMI workshop on scattering: 14-18 May 2018
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--f403045c20500c9e7c056a84765d
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Dear colleagues,

We would like to bring to your attention the workshop "Scattering from the
lattice: applications to phenomenology and beyond", which will take place
at Trinity College Dublin in the period 14-18 May 2018

Due to generous support by the Hamilton Mathematics Institute, the
Simons Foundation,
and Science Foundation Ireland no registration fee will be charged to the
participants.

Please register by April 30th at the workshop webpage:

https://indico.cern.ch/event/690702/registrations/41289/


The confirmed speakers include:

Zohreh Davoudi (UMD)
Sergei Dubovski (NYU)
Jo Dudek (W&M, JLab)
Maxwell T. Hansen (CERN)
Harvey Meyer (Mainz U., PRISMA)
Sasa Prelovsek (Ljubljana U.)

This workshop will combine introductory lectures and progress reports on
recent developments by lattice practitioners and string theorists working
on finite volume methods and scattering processes. The program will include
a pedagogical introduction to this field. We therefore encourage PhD
students, young postdocs, as well as experienced researchers to register
for the workshop. More details can be found at the workshop webpage:

https://indico.cern.ch/event/690702/

Best wishes,

Maxwell T. Hansen (CERN)
Marina Krstic Marinkovic (TCD)
Mike Peardon (TCD)
Stefan Sint (TCD)
Christopher Thomas (Cambridge)
David Wilson (TCD)

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

--f403045c20500c9e7c056a84765d
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dear colleagues,

We would like to bring to your att=
ention the workshop "Scattering from the
lattice: applications to p=
henomenology and beyond", which will take placeat Trinity College=
 Dublin in the period 14-18 May 2018

Due to generous support by the Hamilton Mathematics Insti=
tute, the Simons=C2=A0Foundation, and Scie=
nce Foundation Ireland no registration fee will be=C2=A0charged to the participants.=C2=A0=C2=A0
Please register by April 30th at the workshop webpage:

https://indico.cern.ch/event/690=
702/registrations/41289/

The confirmed speakers include:

=
Zohreh Davoudi (UMD)
Sergei Dubovski (NYU)
Jo Dudek (W&M, JLab)Maxwell T. Hansen (CERN)
Harvey Meyer (Mainz U., PRISMA)
Sasa Prelo=
vsek (Ljubljana U.)

This workshop will combine introductory lectures=
 and progress reports on
recent developments by lattice practitioners an=
d string theorists working
on finite volume methods and scattering proce=
sses. The program will include
a pedagogical introduction to this field.=
 We therefore encourage PhD
students, young postdocs, as well as experie=
nced researchers to register
for the workshop. More details can be found=
 at the workshop webpage:

https://indico.cern.ch/event/690702/

Best wishes,

=
Maxwell T. Hansen (CERN)
Marina Krstic Marinkovic (TCD)
Mike Peardon =
(TCD)
Stefan Sint (TCD)
Christopher Thomas (Cambridge)
David Wilso=
n (TCD)

-- 
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 11=
10
Assistant Prof.,Sc=
hool of Mathematics=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Tel(offi=
ce)=C2=A0 =C2=A0 =C2=A0+353 1 896 4=
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Trinity College,=C2=A0Dublin 2, Ireland=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
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--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F93372749exMbx3ulcampus_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 23 16:46:57 2018
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Date:         Mon, 23 Apr 2018 16:46:27 +0100
Reply-To:     Peter Taylor 
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From:         Peter Taylor 
Subject: maths: DCU Maths Colloquium, Wed April 25th, 3pm
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Dear colleagues,

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

Speaker: Dr. Jos=C3=A9 Luis Gracia, *University of Zaragoza*

Title: *Convergence analysis of a finite difference scheme for a
time-fractional diffusion equation*
Abstract: A reaction-diffusion problem with a Caputo time derivative of
order $\alpha\in (0,1)$ is considered. The behaviour of the solution is
discussed and it is shown that in general the solution  has a weak
singularity near the initial time $t=3D0$.  Taking into account this singul=
ar
behaviour and the memory effect of the fractional derivative, a finite
difference scheme is defined and its convergence in the discrete maximum
norm is analysed .  The theoretical error estimates are sharp and they
indicate that a graded mesh has to be used to obtain optimal numerical
results. Some related results to the convergence of the method away from
$t=3D0$ are also discussed. Numerical results are presented that confirm th=
e
theoretical error estimates.

Date: Wed April 25th   3pm

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

All welcome. Tea/coffee/biscuits served in HG23 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 Disclaimer*

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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

  =20
=20
=20


--000000000000e57536056a85f0a9
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<=
div class=3D"gmail_quote">Dear colleagues,

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

Speaker: Dr. Jos=C3=A9 Luis Gracia, =
University of Zaragoza=
Title:=C2=A0Convergence analysis of a finite differenc=
e scheme for a time-fractional diffusion equation
Abstract:=C2=A0A reaction-diffusion problem with a=C2=A0Caputo=C2=A0time derivative of or=
der $\alpha\in (0,1)$ is considered. The behaviour of the solution is discu=
ssed and it is shown that in general the solution=C2=A0=C2=A0has a weak sin=
gularity near the initial time $t=3D0$.=C2=A0=C2=A0Taking into account this=
 singular behaviour and the memory effect of the fractional derivative, a f=
inite difference scheme is defined and its convergence in the discrete maxi=
mum norm is=C2=A0analysed=C2=A0.=C2=A0=C2=A0The theoretical error estimates=
 are sharp and they indicate that a graded mesh has to be used to obtain op=
timal numerical results. Some related results to the convergence of the met=
hod away from $t=3D0$ are also discussed. Numerical results are presented t=
hat confirm the theoretical error estimates.


=

Date: Wed April 25=
th<=
font color=3D"#626262">=C2=A0  3pm=


<=
/font>Location: Nursing Building (H Building) Room HG23
https://www.dcu.ie/info/campus.shtml<=
br>

All welcome. Tea/coffee/biscuits served in HG23 at 2:45pm.

Cheers,
Peter.
<=
font color=3D"#888888">
-- 
Dr. Peter T=
aylor
Assistant Profes=
sor
Center for Astrophy=
sics and Relativity
Sch=
ool of Mathematical Sciences
Dublin City University.
www.ta=
ylorexpansion.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.







--000000000000e57536056a85f0a9--

From owner-mathdep LISTSERV.HEANET.IE  Tue Apr 24 13:13:24 2018
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Date:         Tue, 24 Apr 2018 13:12:57 +0100
Reply-To:     Christopher Boyd 
Sender:       UCD Maths Department Distribution List 
From:         Christopher Boyd 
Subject: maths: Conference in Galway in honour of Ray Ryan
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To mark the contribution of Ray Ryan to mathematics and to NUI Galway,  on
the occasion of his 65th birthday we are holding a three day meeting
in Galway from the 9th to the 11th of July 2018. The Tuesday afternoon of
this meeting will be marked by tributes and stories of Ray. This will be
followed by a dinner later that evening. You are cordially invited to
attend
the conference or the Tuesday afternoon talks. Details can be found
at

https://maths.ucd.ie/raydays18

If you would like to attend the dinner please indicate so on the
registration
form.  We look forward to seeing you in July.

Best wishes,

The Organising Committee

Chris Boyd
Michael Mackey
Rachel Quinlan
Nina Snigireva

--0000000000003125b3056a9713c6
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To mark the contribution of Ray Ryan to mathematics a=
nd to NUI Galway,=C2=A0 on
the occasion of his 65th birthday we are hold=
ing a three day meeting
in Galway from the 9th to the 11th of July 2018.=
 The Tuesday afternoon of
this meeting will be marked by tributes and st=
ories of Ray. This will be 
followed by a dinner later that evening. You=
 are cordially invited to attend 
the conference or the Tuesday afternoo=
n talks. Details can be found 
at

https://maths.ucd.ie/raydays18

If you would like to =
attend the dinner please indicate so on the registration
form.=C2=A0 We =
look forward to seeing you in July.

Best wishes,

T=
he Organising Committee

Chris Boyd
Michael Mackey
Rachel Quinl=
an
Nina Snigireva



--0000000000003125b3056a9713c6--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr 25 10:19:26 2018
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Date:         Wed, 25 Apr 2018 09:18:54 +0000
Reply-To:     "Peg.Hanrahan" 
Sender:       UCD Maths Department Distribution List 
From:         "Peg.Hanrahan" 
Subject: MATHS: MACSI Seminar: Adaptive numerical methods for stochastic systems with non-globally Lipschitz coefficients Tuesday 1st May Room A2-002, University of Limerick
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--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F933734F0exMbx3ulcampus_
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Please Note Seminar on Tuesday 1st May, at 2p.m. in Room A2-002



MACSI


The department of Mathematics and Statistics at the University of Limerick =
invites you to a seminar by Dr Conall Kelly University College Cork.

Title: Adaptive numerical methods for stochastic systems with non-globally =
Lipschitz coefficients

Abstract: We present numerical schemes with adaptive timestepping for stoch=
astic differential equation (SDE) models with non-Lipschitz coefficients. S=
uch SDEs may be stiff, possibly via a linear operator in the drift and/or f=
rom the perturbation of nonlinear structures under discretisation. They ari=
se, for example, in a financial setting from certain volatility models, and=
 in a biological setting from models of neuronal activity.

We prove that a semi-implicit Euler-Maruyama scheme with an adaptive timest=
epping strategy of this kind is strongly convergent with order of convergen=
ce $1/2$ for equations with one-sided Lipschitz drift and globally Lipschit=
z diffusion, and with order of convergence $(1-\varepsilon)/2$ for equation=
s with non-globally Lipschitz coefficients which together satisfy a Khasmin=
skii-type monotone condition, where $\varepsilon\to 0$ as the number of ava=
ilable finite SDE moments increases without bound.

Numerically, we compare adaptive methods to several strongly convergent fix=
ed-step methods, including a fully drift-implicit method, explicit taming-t=
ype methods and a truncated method. Our results indicate that the adaptive =
semi-implicit method is well suited as a general purpose solver.

This is joint work with Prof. Gabriel Lord, Heriot-Watt Universtiy, Edinbur=
gh, UK.

This seminar will take place on Tuesday 1st May, at 2p.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.




--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F933734F0exMbx3ulcampus_
Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable









 
 
Pl=
ease Note Seminar on Tuesday 1^st May, 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 Conall Kelly University College Cork.
&n=
bsp;
Title:&nb=
sp;Adaptive numerical methods for stochastic systems with non-globally Lips=
chitz coefficients
&nbs=
p;
Abstract:=
 We present numerical schemes with adaptive timestepping for stochasti=
c differential equation (SDE) models with non-Lipschitz
 coefficients. Such SDEs may be stiff, possibly via a linear operator in th=
e drift and/or from the perturbation of nonlinear structures under discreti=
sation. They arise, for example, in a financial setting from certain volati=
lity models, and in a biological
 setting from models of neuronal activity. 
&nbs=
p;
We prove =
that a semi-implicit Euler-Maruyama scheme with an adaptive timestepping st=
rategy of this kind is strongly convergent with
 order of convergence $1/2$ for equations with one-sided Lipschitz drift an=
d globally Lipschitz diffusion, and with order of convergence $(1-\varepsil=
on)/2$ for equations with non-globally Lipschitz coefficients which togethe=
r satisfy a Khasminskii-type monotone
 condition, where $\varepsilon\to 0$ as the number of available finite SDE =
moments increases without bound.
&nbs=
p;
Numerical=
ly, we compare adaptive methods to several strongly convergent fixed-step m=
ethods, including a fully drift-implicit method, explicit taming-=
type
 methods and a truncated method. Our results indicate that the adaptive sem=
i-implicit method is well suited as a general purpose solver. 
&nbs=
p;
This is j=
oint work with Prof. Gabriel Lord, Heriot-Watt Universtiy, Edinburgh, UK.&n=
bsp;
&n=
bsp;
This seminar will tak=
e place on
Tuesday 1^st May, 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.
 
&nbs=
p;
 




--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F933734F0exMbx3ulcampus_--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr 25 11:45:08 2018
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References: <0d847d49-26d4-0ec9-7ae4-d2b5d74e4b41 maths.tcd.ie>
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Date:         Wed, 25 Apr 2018 11:44:40 +0100
Reply-To:     Tristan Mc Loughlin 
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From:         Tristan Mc Loughlin 
Subject: Re: maths: Theoretical Physics Seminar - TCD - 25 April 2018
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A reminder regarding today's seminar:

TCD THEORETICAL PHYSICS SEMINAR

Wednesday, 25 April 2018, 4:00 pm

Seminar Room, House 20
School of Mathematics
Trinity College Dublin

Speaker: Juan Miguel Nieto (UCM)

Title: Quantum corrections to the dispersion relation in flux-deformed 
AdS_3/CFT_2

Abstract: In this talk I will present the computation of the one-loop 
correction
to the classical dispersion relation of rigid closed spinning strings
with two equal angular momenta in the AdS_3 \times S^3 \times T^4
background supported with a mixture of R-R and NS-NS three-form fluxes.
This analysis is performed by means of two different methods. The first
method relies on the quadratic fluctuations around the classical
solution, while the second one exploits the underlying integrability of
the problem through the algebraic curve. We find that the one-loop
correction vanishes in the pure NS-NS limit.


Best,

Tristan

From owner-mathdep LISTSERV.HEANET.IE  Thu Apr 26 17:09:07 2018
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Date:         Thu, 26 Apr 2018 17:08:46 +0100
Reply-To:     john.s.butler dit.ie
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From:         John Butler <200714 DIT.IE>
Subject: maths: DIT Mathematical Sciences Seminar, Friday 27th April 2018
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DIT Mathematical Sciences Seminar

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

Title: On mathematical models for microelectromechanical systems



Speaker: Prof Joachim Escher (Leibniz University Hannover)



Date and time: 1pm, Friday 27th April 2018



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



Abstract:



A review of some recent results on mathematical models for
microelectromechanical systems with general permittivity profile will be
presented. These models consist of a quasilinear parabolic evolution
problem for the displacement of an elastic membrane coupled with an
elliptic moving boundary problem that determines the electrostatic
potential in the region occupied by the elastic membrane and a rigid ground
plate.

Local well-posedness, global existence, the occurrence of finite-time
singularities, and convergence of solutions to those of the so-called
small-aspect ratio model, respectively, are addressed. Furthermore, a topic
is addressed that is of note not till non-constant permittivity profiles
are taken into account -- the direction of the membrane's deflection or, in
mathematical parlance, the sign of the solution to the evolution
problem.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).



All Welcome, light refreshments provided


--=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 |=
 Institi=C3=BAid
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 |  jslbutler


Google Scholar Profile
 | Resear=
ch
Gate Profile 

--=20


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--001a114b13842e8f7c056ac29a7f
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DIT Math=
ematical Sciences=C2=A0Seminar
--------------------------------------=
-----
Title:=C2=A0On mathematical models for mi=
croelectromechanical systems
=C2=A0
Speaker: Prof Joachim Esche=
r (Leibniz University Hannover)
=C2=A0
Date and tim=
e: 1pm, Friday 27th April 2018
=C2=A0
Venue: Blue Room, 4th floor=
, Main Building, DIT Kevin Street
=C2=A0=
Abstract:
=C2=A0
A review of some recent results on mathematical models for microelectrom=
echanical systems with general permittivity profile will be presented. Thes=
e models consist of a quasilinear parabolic evolution problem for the displ=
acement of an elastic membrane coupled with an elliptic moving boundary pro=
blem that determines the electrostatic potential in the region occupied by =
the elastic membrane and a rigid ground plate.
Local well-posedness, global =
existence, the occurrence of finite-time singularities, and convergence of =
solutions to those of the so-called small-aspect ratio model, respectively,=
 are addressed. Furthermore, a topic is addressed that is of note not till =
non-constant permittivity profiles are taken into account -- the direction =
of the membrane's deflection or, in mathematical parlance, the sign of =
the solution to the evolution problem.2015).=C2=A0 =C2=A0This research also=
 examines the declining standard in basic mathematics skills in light of cu=
rriculum changes in second level education (Treacy, Faulkner and Prendergas=
t 2016).=C2=A0
=C2=A0
All Welcome, light refreshments provided



-- 
=
Dr John S Butler
=
Lecturer | School of Mathemat=
ical Sciences | Dublin Institute of Technology | Kevin Street | Dublin 8 | =
Ireland
L=
=C3=A9acht=C3=B3ir=C2=A0| Scoil n=
a nEola=C3=ADochta=C3=AD Matamaitici=C3=BAla | Institi=C3=BAid Teicneola=C3=
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tha Cliath 8 | =C3=89ire
www.dit.ie=C2=
=A0|=C2=A0www.maths.=
dit.ie=C2=A0|=C2=A0www.maths.dit.=
ie/~johnbutler=C2=A0|=C2=A0 jslbutler
Google Scholar Profile=C2=A0|=C2=A0Research Gate Profile

<=
/p>




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Message-ID:  
Date:         Fri, 27 Apr 2018 11:03:00 +0000
Reply-To:     "Henry, David" 
Sender:       UCD Maths Department Distribution List 
From:         "Henry, David" 
Subject: maths: UCC Applied Mathematics Seminars, Thursday 3 May
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Dear Colleagues,

All are welcome at the following two seminars:


UCC Applied Mathematics Seminars


Speaker: James Gleeson (University of Limerick)

Time and location: 12pm, Thursday 3 May, WGB G02

Title: Temporal profiles of avalanches on networks

Abstract: An avalanche or cascade occurs when one event causes one or more =
subsequent events, which in turn may cause further events in a chain reacti=
on. Avalanching dynamics are studied in many disciplines, with a recent foc=
us on average avalanche shapes, i.e., the temporal profiles that characteri=
ze the growth and decay of avalanches of fixed duration. At the critical po=
int of the dynamics the  average avalanche shapes for different durations c=
an be rescaled so that they collapse onto a single universal curve. We appl=
y Markov branching process theory to derive a simple equation governing the=
 average avalanche shape for cascade dynamics on networks. Analysis of the =
equation at criticality demonstrates that nonsymmetric average avalanche sh=
apes (as observed in some experiments) occur for certain combinations of dy=
namics and network topology; specifically, on networks with heavy-tailed de=
gree distributions. We give examples using numerical simulations of models =
of information spreading, neural dynamics, and threshold models of  behavio=
ur adoption. This is joint work with Rick Durrett (Duke University).


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


Lines for mathdep calendar:

title:: UCC Applied Maths Seminar
date-time:: Thursday 3 May AT 12pm
location:: WGB G02
content:: James Gleeson
:: (University of Limerick)
:: presents a talk entitled
:: "Temporal profiles of avalanches on networks"
endevent::

--_000_DB6PR0201MB2437D18466BC15437EBDB8F78F8D0DB6PR0201MB2437_
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Dear Colleagues,



All are welcome at the following two seminars:

























































UCC Applied Mathematics Seminars







Speaker: <=
font color=3D"black">=
James
 Gleeson (University of Limerick)=




Time and location: 12pm, Thursday 3 May, WGB G02


Title: Temporal profiles of avalanches on networks


=



Abstract: An avalanche or cascade occurs when one event causes on=
e or more subsequent events, which in turn may cause further events in a ch=
ain reaction. Avalanching dynamics are studied in many disciplines, with a =
recent focus on average avalanche
 shapes, i.e., the temporal profiles that characterize the growth and decay=
 of avalanches of fixed duration. At the critical point of the dynamics the=
  average avalanche shapes for different durations can be rescaled so =
that they collapse onto a single universal
 curve. We apply Markov branching process theory to derive a simple equatio=
n governing the average avalanche shape for cascade dynamics on networks. A=
nalysis of the equation at criticality demonstrates that nonsymmetric avera=
ge avalanche shapes (as observed
 in some experiments) occur for certain combinations of dynamics and networ=
k topology; specifically, on networks with heavy-tailed degree distribution=
s. We give examples using numerical simulations of models of information sp=
reading, neural dynamics, and threshold
 models of  behaviour adoption. This is joint work with Rick Durrett (=
Duke University).


=


=


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




Lines for mathdep calendar:



title:: UCC Applied Maths Seminar

date-time:: Thursday 3 May AT 12pm
location:: WGB G02

content:: James Gleeson<=
br>
:: (Uni=
versity of Limerick)

:: presents a talk entitled

:: "Temporal profiles of avalanch=
es on networks"

endevent::



























































--_000_DB6PR0201MB2437D18466BC15437EBDB8F78F8D0DB6PR0201MB2437_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 30 11:55:47 2018
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Date:         Mon, 30 Apr 2018 10:55:30 +0000
Reply-To:     "Peg.Hanrahan" 
Sender:       UCD Maths Department Distribution List 
From:         "Peg.Hanrahan" 
Subject: MATHS: MACSI Seminar: Matched-asymptotic and Singular Perturbation Approach For Inertial Coating Flow Near Exit, Friday 4th May , Room A2-002, 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  Prof. Roger Khayat (Western University):

Title: Matched-asymptotic and Singular Perturbation Approach For Inertial C=
oating Flow Near Exit

Abstract: The flow of a two-dimensional steady wall jet observed in the slo=
t and blade coating processes is examined theoretically near and far from t=
he channel exit. The free-surface jet emerges from a channel and deposits o=
nto an infinite moving substrate with an adverse or favorable pressure grad=
ient applied inside the channel to describe slot and blade coating, respect=
ively. The Reynolds number considered is within the moderate range, and ful=
ly developed Couette-Poiseuille flow conditions are assumed to prevail far =
upstream inside the channel. The effects of inertia, surface tension and fl=
ow rate (upstream pressure gradient) on the velocity, the shape of the free=
 surface, and the stress are emphasized. The problem is solved using the me=
thod of matched asymptotic expansions. The small parameter involved in the =
expansions is the inverse cubic power of the Reynolds number. The flow fiel=
d is obtained by matching the inviscid rotational core flow separately with=
 the free-surface and the two wall layers. The upstream influenced is exami=
ned as well as the break in the symmetry between the two wall layers. The t=
heoretical approach is closely related to the triple-deck theory (Sobey 200=
0), and follows closely the formulations adopted for a symmetric jet emergi=
ng from a channel (Tillett 1968) or a tube (Philippe & Dumargue 1991). We f=
ind that the jet always contracts near the channel exit regardless of the l=
evel of inertia and direction of the applied pressure gradient. Some expans=
ion is predicted downstream of the exit for blade coating which strengthens=
 with increasing flow rate. An adverse pressure gradient provides a thinner=
 film thickness than a favorable one. I will also briefly discuss non-Newto=
nian effects (Saffari & Khayat 2009; Khayat 2014) as well as the effects of=
 slip (Khayat 2016) on the shape of the emerging jet. The case of a jet on =
a stationary wall (Khayat 2017) will also be discussed.

Khayat, R. E. 2014 Free-surface jet flow of a shear-thinning power-law flui=
d near the channel exit. J. Fluid Mech. 748, 580-617.
Khayat, R. E. 2017 Initial development of a free-surface wall jet at modera=
te Reynolds number. J. Fluid Mech. 826, 235-269.
Philippe, C., & Dumargue, P. 1991 =C9tude de l'=E9tablissement d'un jet liq=
uide laminaire =E9mergeant d'une conduite cylindrique verticale semi-infini=
e et soumis =E0 l'influence de la gravit=E9. Zeitschrift f=FCr angewandte M=
athematik und Physik ZAMP, 42(2), 227-242.
Saffari, A., & Khayat, R. E. 2009 Flow of viscoelastic jet with moderate in=
ertia near channel exit. J. Fluid Mech. 639, 65-100.
Sobey, I. J. 2005 Introduction to Interactive Boundary Layer Theory. Oxford=
 University Press.
Tillett, J. P. K. 1968 On the laminar flow in a free jet of liquid at high =
Reynolds numbers. J. Fluid Mech. 32, 273-292.


This seminar will take place on Friday 4th May, 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.




--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F93375699exMbx3ulcampus_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable









Content::
 
 
 
 
MACSI=

 
 
The department of Mat=
hematics and Statistics at the University of Limerick invites you to a semi=
nar by  Prof. Roger Khayat (Western University):
 
Title: Matched-asympt=
otic and Singular Perturbation Approach For Inertial Coating Flow Near Exit=

&nbs=
p;
Abstra=
ct: The
 flow of a two-dimensional steady wall jet observed in the slot and blade c=
oating processes is examined theoretically near and far from the channel ex=
it. The free-surface jet emerges from a channel and deposits onto an infini=
te moving substrate with an adverse
 or favorable pressure gradient applied inside the channel to describe slot=
 and blade coating, respectively. The Reynolds number considered is within =
the moderate range, and fully developed Couette-Poiseuille flow conditions =
are assumed to prevail far upstream
 inside the channel. The effects of inertia, surface tension and flow rate =
(upstream pressure gradient) on the velocity, the shape of the free surface=
, and the stress are emphasized. The problem is solved using the method of =
matched asymptotic expansions. The
 small parameter involved in the expansions is the inverse cubic power of t=
he Reynolds number. The flow field is obtained by matching the inviscid rot=
ational core flow separately with the free-surface and the two wall layers.=
 The upstream influenced is examined
 as well as the break in the symmetry between the two wall layers. The theo=
retical approach is closely related to the triple-deck theory (Sobey 2000),=
 and follows closely the formulations adopted for a symmetric jet emerging =
from a channel (Tillett 1968) or
 a tube (Philippe & Dumargue 1991). We find that the jet always contrac=
ts near the channel exit regardless of the level of inertia and direction o=
f the applied pressure gradient. Some expansion is predicted downstream of =
the exit for blade coating which strengthens
 with increasing flow rate. An adverse pressure gradient provides a thinner=
 film thickness than a favorable one. I will also briefly discuss non-Newto=
nian effects (Saffari & Khayat 2009; Khayat 2014) as well as the effect=
s of slip (Khayat 2016) on the shape
 of the emerging jet. The case of a jet on a stationary wall (Khayat 2017) =
will also be discussed.
 
Khayat, R. E. 2014 Fr=
ee-surface jet flow of a shear-thinning power-law fluid near the channel ex=
it. J. Fluid Mech. 748, 580-617.
Khayat, R. E. 2017 In=
itial development of a free-surface wall jet at moderate Reynolds number. J=
. Fluid Mech. 826, 235-269.

Philippe, C., & D=
umargue, P. 1991 =C9tude de l'=E9tablissement d'un jet liquide laminaire =
=E9mergeant d'une conduite cylindrique verticale semi-infinie
 et soumis =E0 l'influence de la gravit=E9. Zeitschrift f=FCr angewandte Ma=
thematik und Physik ZAMP, 42(2), 227-242.

Saffari, A., & Kh=
ayat, R. E. 2009 Flow of viscoelastic jet with moderate inertia near channe=
l exit. J. Fluid Mech. 639, 65-100.

Sobey, I. J. 2005 Int=
roduction to Interactive Boundary Layer Theory. Oxford University Press.

Tillett, J. P. K. 196=
8 On the laminar flow in a free jet of liquid at high Reynolds numbers. J. =
Fluid Mech. 32, 273-292.
&nbs=
p;
&n=
bsp;
This seminar will tak=
e place on
Friday 4^th May, 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.
 
 
 




--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F93375699exMbx3ulcampus_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 30 12:01:31 2018
Return-Path: 
Date:         Mon, 30 Apr 2018 12:01:17 +0100
Reply-To:     Marina Krstic Marinkovic 
Sender:       UCD Maths Department Distribution List 
From:         Marina Krstic Marinkovic 
Subject: maths: Scattering workshop at the Hamilton Mathematics Institute TCD -- Registration Closing TODAY
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--000000000000e81c81056b0ec558
Content-Type: text/plain; charset="UTF-8"

Dear colleagues,

This is a reminder that the registration for the HMI workshop "Scattering
from the lattice: applications to phenomenology and beyond" closes today
(April 30th, 2018):

https://indico.cern.ch/event/690702/registrations/41289/

Please note that the registration is mandatory for all participants,
although no conference fee will be charged.

If you have trouble registering through the workshop webpage, please just
email hmi.workshop.tcd cern.ch with your affiliation and the dates you plan
to attend the workshop.

Best wishes,

Maxwell T. Hansen (CERN)
Marina Krstic Marinkovic (TCD)
Mike Peardon (TCD)
Sinead Ryan(TCD)
Stefan Sint (TCD)
Christopher Thomas (Cambridge)
David Wilson (TCD)


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

--000000000000e81c81056b0ec558
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dear colleagues,
This is a reminder that the=
 registration for the HMI workshop "Scattering from the lattice: appli=
cations to phenomenology and beyond" closes today (April 30th, 2018):<=
div>
https://indico.cern.ch/event/690702/registrations/41289/

Please note that the registration is mandatory =
for all participants, although no conference fee will be charged.=C2=A0
If you have trouble registering through the workshop webpa=
ge, please just email=C2=A0hmi.=
workshop.tcd cern.ch with your affiliation and the dates you plan to at=
tend the workshop.
Best wishes,

Maxwell T. Hansen (CERN)Marina Krstic Marinkovic (TCD)
Mike Peardon (TCD)Sinead Ryan(TCD)<=
br>Stefan Sint (TCD)
Christopher Thomas (Cambridge)
David Wilson (TCD=
)

-- 
Marina Krstic Marinkovi=
c=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 Ma=
thematics=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=
Trinity 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 2=
44=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=A0mma=
rina maths.tcd.ie


--000000000000e81c81056b0ec558--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 30 21:18:13 2018
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Date:         Mon, 30 Apr 2018 16:17:07 -0400
Reply-To:     Colm Mulcahy 
Sender:       UCD Maths Department Distribution List 
From:         Colm Mulcahy 
Subject: maths: The April 2018 (Mayo mathematicians) blog is live
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--000000000000222c88056b168ceb
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See



http://www.mathsireland.ie/blog/2018_04_cm


No doubt we've missed many through not knowing of their Mayo origins.
Please suggest additions.

Colm Mulcahy

--000000000000222c88056b168ceb
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See


http://www.mathsireland.i=
e/blog/2018_04_cm


No doubt we&=
#39;ve missed many through not knowing of their Mayo origins.=C2=A0 Please =
suggest additions.

Colm Mulcahy



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From:         Stefan Sint 
Subject: maths: Dublin Theoretical Physics Colloquium, 3rd of April
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Dublin Theoretical Physics Colloquium

Time: Wednesday, 3rd of April, at 4:00pm

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

Speaker: Debasish Banerjee (Humboldt University Berlin)

Title:  Quantum Link models to probe new aspects of gauge theories

Abstract:

The Wilson formulation of lattice gauge theories provides a
first-principles study of many properties of strongly interacting
theories, such as quantum chromodynamics (QCD). Certain other
properties, such as real-time dynamics, pose insurmountable challenges
in this paradigm. Quantum Link Models are generalized lattice gauge
theories, which not only offer novel approaches to study dynamics
of gauge theories with quantum simulators, but also connect to
gauge theory descriptions of certain condensed matter systems (such
as frustrated magnetism). In this talk, we explore some novel
properties of gauge theories using quantum link models on classical
computers, and explain how to realize them on quantum simulators.



All welcome!


Future speakers: April 10: Francesca Day

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



          title:: Dublin Theoretical Physics Colloquium
          content:: Debasish Banerjee will speak on

          :: Quantum Link models to probe new aspects of gauge theories

          date-time:: �Wednesday the 3rd of April at 4:00pm

          location:: Synge Lecture Theatre, Hamilton building, Trinity 
College
          Dublin
          endevent::

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Reply-To:     "Peg.Hanrahan" 
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From:         "Peg.Hanrahan" 
Subject: Maths: MACSI Seminar: Mechanics of the brain. Friday 5th April at 16.00, Room A2002, University of Limerick
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Content::




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


Date: Friday,  5th April  2019, Room A2-002   16.00

Speaker: Prof. Michel Destrade (School of Mathematics, Statistics and Appli=
ed Mathematics, NUI Galway).

Title: Mechanics of the brain.

 Abstract: An impact to the head causes brain matter to shake, deform, stre=
tch, shear and twist, among many other possible responses. In reality, we h=
ave little idea of what is actually happening in the brain. To make progres=
s, we can use computer simulations to create an impact and look at its cons=
equences, and also create other scenarios such as tumour growth, neurosurge=
ry, blast wave propagation, etc. However, these simulations are as good, an=
d as bad, as the model they are based on.
Here we will see some of the techniques available to measure the material p=
roperties of brain matter and to model its mechanical behaviour in a robust=
 and meaningful way. We will see the limitations of destructive testing and=
 move on to non-destructive, non-invasive protocols based on the theory of =
acousto-elasticity.

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.









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Content::
 
 
 
 
MACSI at the dep=
artment of Mathematics and Statistics at the University of Limerick invites=
 you to a seminar
 
 
Date: Friday,  5^th April
  2019, Room A2-002   16.00
 
Speaker:
Prof. Michel Destrade (School of Mathematics, Statistics and App=
lied Mathematics, NUI Galway).

 
Title:<=
span style=3D"font-size:12.0pt;font-family:"Times New Roman",seri=
f;mso-fareast-language:EN-IE">
Mechanics of the brain.
 
 Abstract:
An impact to the head causes brain matter to shake, deform, stre=
tch, shear and twist, among many other possible responses. In reality, we h=
ave little idea of what is actually happening
 in the brain. To make progress, we can use computer simulations to create =
an impact and look at its consequences, and also create other scenarios suc=
h as tumour growth, neurosurgery, blast wave propagation, etc. However, the=
se simulations are as good, and
 as bad, as the model they are based on. 

Here we will see =
some of the techniques available to measure the material properties of brai=
n matter and to model its mechanical behaviour in
 a robust and meaningful way. We will see the limitations of destructive te=
sting and move on to non-destructive, non-invasive protocols based on the t=
heory of acousto-elasticity.  
 
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 Apr  1 10:19:24 2019
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Reply-To:     Seminars Maths NUIG 
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From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway (Wednesday April 3): Macroscopic and microscopic behavior of narrow elastic ribbons
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Dear All,

We will have a Seminar Wednesday (April 3) at 4pm in *AC204*.


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



Giuseppe Tomassetti
from Universit=C3=A0 di Roma Tre (Italy)

 will speak on



=E2=80=9CMacroscopic and microscopic behavior of narrow elastic ribbons=E2=
=80=9D

Abstract: A one-dimensional model for a narrow ribbon is derived from the
plate theory of Kirchhoff by means of a power expansion in the width
variable. The energy found coincides with the corrected Sadowsky's energy.
Furthermore, we derive the Euler-Lagrange equations and use them to study
an equilibrium configuration of a twisted ribbon. Within this example we
also describe how to construct the fine scale oscillations that develop in
the deformed configuration.



Contact: Zurlo Giuseppe



Hoping to see you all there,



Haixuan and Michael



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

--000000000000c3c8bb0585748337
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable



Dea=
r All,


We w=
ill have a Seminar Wednesday (April 3) at 4pm in AC204.




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


Gius=
eppe Tomassetti

from Universit=C3=A0 di Roma Tre (Italy)


=C2=A0will speak on 


=C2=
=A0


=E2=
=80=9CMacroscopic and microscopic
behavior of narrow elastic ribbons=E2=80=9D


Abst=
ract: A one-dimensional model for a narrow ribbon is derived
from the plate theory of Kirchhoff by means of a power expansion in the wid=
th
variable. The energy found coincides with the corrected Sadowsky's ener=
gy.
Furthermore, we derive the Euler-Lagrange equations and use them to study a=
n
equilibrium configuration of a twisted ribbon. Within this example we also =
describe
how to construct the fine scale oscillations that develop in the deformed
configuration.


=C2=
=A0


Cont=
act: Zurlo Giuseppe


=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  Mon Apr  1 11:36:57 2019
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Reply-To:     Kwok Chuen Wong 
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From:         Kwok Chuen Wong 
Subject: DCU Mathematical Finance Seminar - Tiziano Vargiolu (University of Padua)
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Dear colleagues,

We will have Mathematical Finance seminar on Friday (April 5).

Everybody welcome,

Ryan

title:: DCU Math Finance (Tiziano Vargiolu, University of Padua)
content:: Title of talk: Mean-Reverting Additive Energy Forward Curves In a
Heath-Jarrow-Morton Framework
:: In this talk, we make the traditional modeling approach of energy
commodity forwards consistent with no-arbitrage.
:: In fact, traditionally energy prices are modeled as mean-reverting
processes under the real-world probability measure P,
:: which is in apparent contradiction with the fact that they should be
martingales under a risk-neutral measure Q.
:: The key point here is that the two dynamics can coexist, provided a
suitable change of measure is defined between P and Q.
:: To this purpose, we design a Heath-Jarrow-Morton framework for an
additive, mean-reverting, multicommodity market
:: consisting of forward contracts of any delivery period.
:: Even for relatively simple dynamics, we face the problem of finding a
density between P and Q, such that :: the prices of traded assets like
forward contracts are true martingales under Q and mean-reverting under P.
:: Moreover, we are also able to treat the peculiar delivery mechanism of
forward contracts in power and gas markets,
:: where the seller of a forward contract commits to deliver, either
physically or financially, over a certain period,
:: while in other commodity, or stock, markets, a forward is usually
settled on a maturity date.
:: By assuming that forward prices can be represented as affine functions
of a universal source of randomness, :: we can completely characterize the
models which prevent arbitrage opportunities by formulating conditions
under which
:: the change of measure between P and Q is well defined.
:: In this respect, we show a result on the martingale property of
stochastic exponentials.
:: We show how this framework provides an explicit way to describe a
variety of models by
:: introducing, in particular, a generalized Lucia-Schwartz model and a two
factor electricity market based on NIG processes.
:: If time allows, we will show two examples of possible calibration of our
model to market data.
:: (joint with Fred Espen Benth, Luca Latini, Marco Piccirilli and Maren
Diane Schmeck)

date-time:: 5th April at 11:00am
location:: DCU Business School, Q217

--=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
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--0000000000000fcd2a05857599bb
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Dear colleagues,

We will have Math=
ematical Finance seminar on Friday (April 5).

Everybody welcome,
=

Ryan

title:: DCU Math Finance (Tiziano Vargiolu, University of P=
adua)
content:: Title of talk: Mean-Reverting Additive Energy Forward Cu=
rves In a Heath-Jarrow-Morton Framework
:: In this talk, we make the tra=
ditional modeling approach of energy commodity forwards consistent with no-=
arbitrage.
:: In fact, traditionally energy prices are modeled as mean-r=
everting processes under the real-world probability measure P, 
:: which=
 is in apparent contradiction with the fact that they should be martingales=
 under a risk-neutral measure Q. 
:: The key point here is that the two =
dynamics can coexist, provided a suitable change of measure is defined betw=
een P and Q. 
:: To this purpose, we design a Heath-Jarrow-Morton framew=
ork for an additive, mean-reverting, multicommodity market 
:: consistin=
g of forward contracts of any delivery period. 
:: Even for relatively s=
imple dynamics, we face the problem of finding a density between P and Q, s=
uch that :: the prices of traded assets like forward contracts are true mar=
tingales under Q and mean-reverting under P. :: Moreover, we are also able =
to treat the peculiar delivery mechanism of forward contracts in power and =
gas markets, 
:: where the seller of a forward contract commits to deliv=
er, either physically or financially, over a certain period, 
:: while i=
n other commodity, or stock, markets, a forward is usually settled on a mat=
urity date. 
:: By assuming that forward prices can be represented as af=
fine functions of a universal source of randomness, :: we can completely ch=
aracterize the models which prevent arbitrage opportunities by formulating =
conditions under which 
:: the change of measure between P and Q is well=
 defined. 
:: In this respect, we show a result on the martingale proper=
ty of stochastic exponentials. 
:: We show how this framework provides a=
n explicit way to describe a variety of models by 
:: introducing, in pa=
rticular, a generalized Lucia-Schwartz model and a two factor electricity m=
arket based on NIG processes. 
:: If time allows, we will show two examp=
les of possible calibration of our model to market data.
:: (joint with =
Fred Espen Benth, Luca Latini, Marco Piccirilli and Maren Diane Schmeck)
date-time:: 5th April at 11:00am
location:: DCU Business School, Q2=
17

-- 
<=
div dir=3D"ltr">=
Kwok Chuen Wong=
, Ryan
Assistant Professor in Fi=
nancial Mathematics
School of Ma=
thematical Sciences, Dublin City University
X136, Lons=
dale Building, 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.







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From owner-mathdep LISTSERV.HEANET.IE  Mon Apr  1 12:40:25 2019
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Subject: maths: first femail Abel prize winner
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See:

https://phys.org/news/2019-03-abel-prize-maths-awarded-woman.html

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr  1 12:42:32 2019
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Date:         Mon, 1 Apr 2019 12:42:22 +0100
Reply-To:     Cora Stack 
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From:         Cora Stack 
Subject: Re: maths: first femail Abel prize winner
Comments: To: Wayne Sullivan 
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--000000000000041f5c05857684d3
Content-Type: text/plain; charset="UTF-8"

Wayne can you change that to female
Dr Cora Stack PhD


On Mon, Apr 1, 2019 at 12:40 PM Wayne Sullivan 
wrote:

> See:
>
> https://phys.org/news/2019-03-abel-prize-maths-awarded-woman.html
>

--000000000000041f5c05857684d3
Content-Type: text/html; charset="UTF-8"
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Wayne can you change that to female
=
Dr Cora Stack PhD


On Mon, Apr 1, 2=
019 at 12:40 PM Wayne Sullivan <Wayne.Sullivan ucd.ie> wrote:
See:



https://phys.org/news/2019-03-abel-=
prize-maths-awarded-woman.html



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Subject: maths: TU Dublin Mathematical Sciences Seminar, Friday 5th April
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TU Dublin Mathematical Sciences Seminar

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

Title: On the Determination of the Number of Positive and Negative
Polynomial Zeros and Their Isolation



Speaker: Dr Emil M. Prodanov (TU Dublin)



Date and time: 1pm, Friday 5th April 2019



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



Abstract:

A novel method with two variations is proposed with which the number of
positive and negative zeros of a polynomial with real co-efficients and
degree $n$ can be restricted with significantly better determinacy than
that provided by the Descartes' rule of signs and also isolate quite
successfully the zeros of the polynomial. The method relies on solving
equations of degree smaller than that of the given polynomial. One can
determine analytically the exact number of positive and negative zeros of a
polynomial of degree up to and including five and also fully isolate the
zeros of the polynomial analytically and with one of the variations of the
method, one can analytically approach polynomials of degree up to and
including nine by solving equations of degree no more than four. For
polynomials of higher degree, either of the two variations of the method
should be applied recursively. Classification of the roots of the cubic
equation, together with their isolation intervals, is presented. Numerous
examples are given.

The paper is available on arXiv.org https://arxiv.org/pdf/1901.05960.pdf



All Welcome, light refreshments provided

--=20

[image: turn on images] 

John S Butler

Lecturer

City Campus
________________________________________

Twitter   jslbutler  -- Google Scholar
 =E2=80=
=93
Researchgate  =
=E2=80=93
website 

OT Baile =C3=81tha Cliath - Scoil na nEola=C3=ADochta=C3=AD Matamaitici=C3=
=BAla, Campas Sr=C3=A1id
Chaoimh=C3=ADn, Baile =C3=81tha Cliath 8, =C3=89ire

TU Dublin - School of Mathematical Sciences, Kevin Street Campus, Dublin 8,
Ireland

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r=C3=ADomhphost seo tr=C3=AD earr=C3=A1id, scrios de do ch=C3=B3ras =C3=A9 =
le do thoil. Tabhair ar=20
aird, mura t=C3=BA an seola=C3=AD ainmnithe, go bhfuil dianchosc ar aon noc=
htadh, aon=20
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=A9anfar bunaithe ar an =C3=A1bhar=20
at=C3=A1 sa r=C3=ADomhphost n=C3=B3 sna hiat=C3=A1in seo.*

--00000000000044e2ad058576d6a2
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

TU Dublin=
 Mathematical Sciences=C2=A0Seminar
----------------------=
---------------------Title:=C2=A0On the Determination of the Number of Positive and Negative Polynom=
ial Zeros and Their Isolation
=C2=A0
Speaker: Dr Emil M. Prodanov=C2=A0(TU Dublin)
=C2=A0
Date and time: 1pm, Friday 5th April 20=
19
=C2=A0
Venue: Blue Room, 4th floor, Main =
Building, TU Dublin Kevin Street
=C2=
=A0
Abst=
ract:
A novel method with two variations is proposed with which the number of=
 positive and negative zeros of a polynomial with real co-efficients and de=
gree $n$ can be restricted with significantly better determinacy than that =
provided by the Descartes' rule of signs and also isolate quite success=
fully the zeros of the polynomial. The method relies on solving equations o=
f degree smaller than that of the given polynomial. One can determine analy=
tically the exact number of positive and negative zeros of a polynomial of =
degree up to and including five and also fully isolate the zeros of the pol=
ynomial analytically and with one of the variations of the method, one can =
analytically approach polynomials of degree up to and including nine by sol=
ving equations of degree no more than four. For polynomials of higher degre=
e, either of the two variations of the method should be applied recursively=
. Classification of the roots of the cubic equation, together with their is=
olation intervals, is presented. Numerous examples are given.=C2=A0<=
/font>
The paper is available on arXiv.org https://arxiv.org/pdf/1901.05960.pdf
=C2=A0

All Welcome, light refreshments provided

-- 
<=
/table>_______________=
_________________________John S Butler
=
Lecturer
City Campus
Twitter=C2=
=A0 jslbutler=C2=A0 -- Google Scholar =E2=80=93=
 Researchgate=C2=A0=E2=80=93 website
=
OT Baile =C3=81tha Cliath - Scoil na nEola=
=C3=ADochta=C3=AD Matamaitici=C3=BAla, Campas Sr=C3=A1id Chaoimh=C3=ADn, Ba=
ile =C3=81tha Cliath 8, =C3=89ire
TU Dubli=
n - School of Mathematical Sciences, Kevin Street Campus, Dublin 8, Ireland=




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d from=C2=A0TU=C2=A0Dublin. If you received this email in error, please del=
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TCD THEORETICAL PHYSICS SEMINAR
Tuesday, 16 April 2019, 2:00 pm

Seminar Room, House 20
School of Mathematics
Trinity College Dublin

Speaker: Alessandro Torrielli (University of Surrey)
Title: Massless scattering in lower dimensional AdS/CFT

Abstract: In recent years the framework of AdS/CFT integrability has 
seen a significant paradigm change due to the appearance of massless 
modes in the associated scattering problem. We shall briefly introduce 
the framework of the exact S-matrix theory and adapt it, following ideas 
of Zamolodchikov, to massless scattering, where we will make connections 
with integrable flows between conformal fixed points. We shall then 
translate this scenario to the case of AdS3/CFT2, and demonstrate the 
appearance of a 2D critical theory in the so-called 
Berenstein-Maldacena-Nastase limit of the integrable scattering problem. 
This talk is primarily based on work with R. Borsato, A. Fontanella, O. 
Ohlsson Sax, A. Sfondrini, B. Stefanski and J. Stroemwall.

All are welcome.
=====================

title:: TCD Theoretical Physics Seminar
content:: Alessandro Torrielli (University of Surrey)
::Massless scattering in lower dimensional AdS/CFT::
date-time:: 16 April 2019 at 2:00 pm
location::Seminar Room House 20, TCD
endevent::

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--000000000000b7165d05857e6e3f
Content-Type: text/plain; charset="UTF-8"

DIAS THEORETICAL PHYSICS SEMINAR

Time: Tomorrow, Tuesday 2 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:: 2 April 2019, 2:30 pm
location:: School of Theoretical Physics, DIAS. 10 Burlington Road, D.4.
endevent::

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

--000000000000b7165d05857e6e3f
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

DIAS THEORETICAL PHYSICS=
 SEMINAR

Time: Tomorrow, Tuesday 2 April 2019=
, 2.30 pm

Speaker: Dr. Adam Stokes (University of Manchester)
Title: Gauge ambiguities imply Jaynes-Cummings physics remains valid in=C2=
=A0
ultrastrong coupling QED

Abstract:=C2=A0 In quantum electrody=
namics (QED) each choice of gauge=C2=A0
provides different physical defi=
nitions of light and matter as quantum=C2=A0
subsystems. This gauge-rela=
tivity is most evident in the ultrastrong=C2=A0
light-matter coupling re=
gime where it can have important implications=C2=A0
for effective models=
 that are in common use. In particular, we show that=C2=A0
when truncati=
ng the material system to two levels, each gauge gives a=C2=A0
different=
 description whose predictions vary significantly for=C2=A0
ultrastrong-=
coupling. Quantum Rabi models (QRMs) are obtained through=C2=A0
specific=
 gauge choices, but so too is a Jaynes-Cummings model (JCM)=C2=A0
withou=
t needing the rotating-wave approximation. Analysinga circuit QED=C2=A0
=
setup, we find that this JCM provides more accurate predictions than the=C2=
=A0
QRM for the ground state, and often for the first excited state as w=
ell.=C2=A0
Thus, Jaynes-Cummings physics is not restricted to light-matt=
er coupling=C2=A0
below the ultrastrong limit. Next, we consider time-de=
pendent couplings=C2=A0
as required for numerous applications. We show t=
hat in the absence of an=C2=A0
argument to choose a particular gauge whe=
n promoting the coupling=C2=A0
parameter to a time-dependent function, t=
he description that results is=C2=A0
essentially ambiguous. For sufficie=
ntly strong and non-adiabatic=C2=A0
interactions, the qualitative physic=
al predictions of final subsystem=C2=A0
properties, such as entanglement=
 and photon number, depend on the gauge=C2=A0
chosen. This occurs even w=
hen the coupling vanishes at the preparation=C2=A0
and measurement stage=
s of the protocol, at which times the subsystems=C2=A0
are unique and ex=
perimentally addressable.

Place: Lecture Room, 1st Floor, School of =
Theoretical Physics, DIAS, 10=C2=A0
Burlington Road, Dublin 4

Web=
: DIAS Visitors -=C2=A0https://www.dias.ie/category/st=
p/stp-visitors/

All welcome!

&&&&&&am=
p;&&&&&&&&&&&&&&&am=
p;&&&&&&&&&&&&&&&am=
p;&&&&&&&&&&&&&&&am=
p;&&&

title:: DIAS Theoretical Physics Seminar
conten=
t:: Dr. Adam Stokes
date-time:: 2 April 2019, 2:30 pm
location:: Scho=
ol of Theoretical Physics, DIAS. 10 Burlington Road, D.4.
endevent::
=

For more about the MATHDEP list access=C2=A0http://maths.ucd.ie/mathd=
ep
To change your mathdep preference, access=C2=A0https://m=
aths.ucd.ie/mathdepchange



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Date:         Tue, 2 Apr 2019 08:49:37 +0000
Reply-To:     Ciaran Mac an Bhaird 
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From:         Ciaran Mac an Bhaird 
Subject: Maths: Workshop on tutor and lecturer training and accreditation- Final Call
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Dear all,


A final reminder that Maynooth University and TU Dublin are running the fol=
lowing workshop as part of the National Forum Seminar Series on Friday 12th=
 of April from 11am (Renehan Hall, Maynooth University).


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


While the event is free and refreshments will be provided, registration is =
compulsory and closes on Tuesday the 9th of April. Further details are avai=
lable from https://www.maynoothuniversity.ie/mathematics-and-statistics/tut=
orlecturercredits



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_DB7PR02MB46959A44ECA4A3E69B7B6C0E8C560DB7PR02MB4695eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable










Dear all,=






A final reminder that Maynooth University and =
TU Dublin are running the following workshop
 as part of the National Forum Seminar Series on Friday 12th of April =
from 11am (Renehan Hall, Maynooth University).





Title:
 'Accrediting
 systems of training for STEM postgraduate tutors and lecturers.'













While the event is free and refreshments
 will be provided, registration is compulsory and closes on Tuesday the =
9th of April. Further details are available f=
rom https://www.maynoothuniversi=
ty.ie/mathematics-and-statistics/tutorlecturercredits






 



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


::  University of Birmingham, NUI Galway, TU Dublin
:: deliver a workshop on training models which are amenable to a=
ccreditation 

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

location:: Maynooth University, Renehan Hall, 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_DB7PR02MB46959A44ECA4A3E69B7B6C0E8C560DB7PR02MB4695eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Tue Apr  2 14:30:28 2019
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Subject: Maths: DIAS, STP - Summer Studentships 2019
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DIAS Summer Studentships - School of Theoretical Physics - 2019

As part of the DIAS Summer Studentships programme the School of 
Theoretical, of the Dublin Institute for Advanced Studies is delighted 
to be in a position to offer 3 Summer Studentships.

The stipend is for a total scholarship of 3,000 euros and covers
a two month internship starting on or before June 4th.

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. Female students are encouraged to apply.

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 Monday April 15th.
Successful candidates will be notified by email later in April.

Apply here : https://www.dias.ie/positions/

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Date:         Tue, 2 Apr 2019 20:58:56 +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 9 April 2019, WGB G04



Speaker:  Padraig =D3 Cath=E1in (Worcester Polytechnic Institute)



Title: Morphisms of Complex Hadamard matrices



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 o=
f its dimension, and $M$ is a complex Hadamard matrix if $M$ meets Hadamard=
's bound with equality. In this talk I will survey some known results on ex=
istence of special types of complex Hadamard matrices, in particular matric=
es with entries in the $k^{\textrm{th}}$ roots of unity. I will report on r=
ecent joint work with Ronan Egan and Eric Swartz on the existence of tensor=
-product-like maps which reduce the number of entries in a complex Hadamard=
 matrix at the cost of increasing the dimension. This work generalises prev=
ious constructions of Turyn and Compton-Craigen-de Launey of real Hadamard =
matrices from certain complex Hadamard matrices with entries in the fourth =
and sixth roots of unity respectively.

Best regards,

Spyros Dendrinos


--_000_DB7PR02MB4092BB29CFE0AFE930EBFF95BA560DB7PR02MB4092eurp_
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Dear Coll=
eagues,










 

You are welcome to the following
seminar:

 

UCC
Mathematics Seminar

 

Time and location:
4-5pm, Tuesday 9 April 2019, WGB =
G04

 

Speaker:  Padraig
 =D3 Cath=E1in (Worcester Polytechnic Institute)

 

Title:
Morphisms
 of Complex Hadamard matrices


&n=
bsp;

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 i=
ts dimension, and $M$ is a complex Hadamard matrix if $M$ meets Hadamard's =
bound with equality. In this talk
 I will survey some known results on existence of special types of complex =
Hadamard matrices, in particular matrices with entries in the $k^{\textrm{t=
h}}$ roots of unity. I will report on recent joint work with Ronan Egan and=
 Eric Swartz on the existence of
 tensor-product-like maps which reduce the number of entries in a complex H=
adamard matrix at the cost of increasing the dimension. This work generalis=
es previous constructions of Turyn and Compton-Craigen-de Launey of real Ha=
damard matrices from certain complex
 Hadamard matrices with entries in the fourth and sixth roots of unity resp=
ectively.


Best regards,


Spyros Dendrinos
















--_000_DB7PR02MB4092BB29CFE0AFE930EBFF95BA560DB7PR02MB4092eurp_--

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Subject: maths: Analysis Seminar in UCD on the 9th of April
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Tuesday 9th April, 2019  at 4.00pm  (place: UCD  Science North 125 )

Speaker S. Gardiner

Title:   A characterization of annular domains by quadrature identities II
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 II
date-time:: Tuesday 9th  April, 2019  at 4.00pm
location:: UCD  Science North 125
endevent::

--000000000000bee82d05859d52e3
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Tuesday 9th 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 II 
Abstract: We will show that annu=
lar 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<=
/span> SEMINAR=


content:: S. Gardiner=C2=A0 will speak on

::=C2=A0=C2=A0 A characterization of annular domains by quadrature id=
entities II 

date-time::  Tuesday 9th=C2=A0 April, 2019=C2=A0 at 4.00pm

location:: UCD=C2=A0 Science North 125 

endevent:: 

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Date:         Wed, 3 Apr 2019 10:00:30 +0000
Reply-To:     Seminars Maths NUIG 
Sender:       UCD Maths Department Distribution List 
From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway (today): Macroscopic and microscopic behavior of narrow elastic ribbons
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Dear All,

We will have a Seminar today at 4pm in *AC204*.


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



Giuseppe Tomassetti
from Universit=C3=A0 di Roma Tre (Italy)

 will speak on



=E2=80=9CMacroscopic and microscopic behavior of narrow elastic ribbons=E2=
=80=9D

Abstract: A one-dimensional model for a narrow ribbon is derived from the
plate theory of Kirchhoff by means of a power expansion in the width
variable. The energy found coincides with the corrected Sadowsky's energy.
Furthermore, we derive the Euler-Lagrange equations and use them to study
an equilibrium configuration of a twisted ribbon. Within this example we
also describe how to construct the fine scale oscillations that develop in
the deformed configuration.



Contact: Zurlo Giuseppe



Hoping to see you all there,



Haixuan and Michael



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

--00000000000088c57205859d53b7
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Dear All,
We will have a Seminar today at 4pm in <=
span style=3D"color:red;font-family:"Calibri","sans-serif&qu=
ot;;font-size:11pt">AC204.

 Coffee/te=
a/cakes/biscuits will be served in ADB-G022 from 3:30.
=C2=A0
Giuseppe Tomassetti
 from U=
niversit=C3=A0 di Roma Tre (Italy)
=C2=A0will speak on 
=C2=A0
=E2=80=9CMacroscopic an=
d microscopic behavior of narrow elastic ribbons=E2=80=9D
Abstract: A one-dimensiona=
l model for a narrow ribbon is derived from the plate theory of Kirchhoff b=
y means of a power expansion in the width variable. The energy found coinci=
des with the corrected Sadowsky's energy. Furthermore, we derive the Eu=
ler-Lagrange equations and use them to study an equilibrium configuration o=
f a twisted ribbon. Within this example we also describe how to construct t=
he fine scale oscillations that develop in the deformed configuration.
=C2=A0=
Contact: Zurlo =
Giuseppe
=
=C2=A0
Ho=
ping to see you all there,
=C2=A0
Haixuan and Michael
=C2=A0
Future seminars are listed at=C2=A0http://www.nuigal=
way.ie/science/school-of-maths/seminars/ 

--00000000000088c57205859d53b7--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr  3 11:39:19 2019
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Date:         Wed, 3 Apr 2019 11:39:13 +0100
Reply-To:     jonivar skullerud 
Sender:       UCD Maths Department Distribution List 
From:         jonivar skullerud 
Subject: maths: Maynooth Theoretical Physics Seminar 5 April
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Speaker:       Debasish Banerjee, Berlin
Title:         Strongly interacting systems with quantum simulations
When:          Friday, 5 April at 2pm
Where:         Hall D, Arts Block, North Campus

Abstract:

   Quantum simulation has recently emerged as a novel tool to probe
   aspects of strongly interacting systems, such as dynamics and the
   physics of dense phases of matter, which cannot be solved by any other
   techniques.

   In the talk, we will explore how quantum simulation can be used to
   address such questions in the context of high-energy physics, as well
   as condensed matter systems. Simple model systems will be considered
   which can qualitatively mimic properties of fundamental theories, such
   as Quantum Chromodynamics.  We will also point out certain novel
   properties of the models which can be observed in the future quantum
   simulation experiments.

All are welcome.

title:: Maynooth Theoretical Physics Seminar
content:: Debasish Banerjee will speak on
       :: Strongly interacting systems with quantum simulations
date-time:: Friday 5 April at 14:00
location:: Hall D, Arts Building, North Campus, Maynooth University
endevent::

-- 
|  Jon-Ivar Skullerud                                                      |
|  Head of Department                                                      |
|  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/    |
---------------------------------------------------------------------------

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr  3 15:37:10 2019
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Date:         Wed, 3 Apr 2019 15:36:51 +0100
Reply-To:     Barry Wardell 
Sender:       UCD Maths Department Distribution List 
From:         Barry Wardell 
Subject: UCD Applied & Computational Mathematics Seminar, April 4th at 2pm
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--000000000000adbf530585a12f34
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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 *Thursday, 4th April
at 2pm* (note the unusual time and location).

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:* Alejandro Orfila (Spanish National Research Council and the
University of the Balearic Islands)
*Time:* Thursday, 4th April 2019 at 2pm
*Location:* H2.32, UCD O'Brien Centre for Science (Hub)

*Title:* Effect of small scale transport processes on phytoplankton
distribution in coastal seas

*Abstract:*
Coastal ocean ecosystems are major contributors to the global
biogeochemical cycles and biological productivity. Physical factors induced
by the turbulent flow play a crucial role in regulating marine ecosystems.
However, while large-scale open-ocean dynamics is well described by
geostrophy, the role of multiscale transport processes in coastal regions
is still poorly understood due to the lack of continuous high-resolution
observations. Here, the influence of small-scale dynamics (O(3.5=E2=80=9325=
) km,
i.e. spanning upper submesoscale and mesoscale processes) on surface
phytoplankton derived from satellite chlorophyll-a (Chl-a) is studied using
Lagrangian metrics computed from High-Frequency Radar currents. The
combination of complementary Lagrangian diagnostics, including the
Lagrangian divergence along fluid trajectories, provides an improved
description of the 3D flow geometry which facilitates the interpretation of
two non-exclusive physical mechanisms affecting phytoplankton dynamics and
patchiness.

*Title:* Extreme waves and climatic patterns of variability in North
Atlantic Ocean and Mediterranean Sea

*Abstract:*
The spatial and temporal variability of extreme wave climate in the North
Atlantic Ocean and the Mediterranean Sea is assessed using 3-hour output of
wave model during a period of 31 years (1979-2009). The seasonality
accounts for a 50% of the extreme wave height in the North Atlantic Ocean
and for a 85\% in the Mediterranean Sea. Once removed the seasonality, the
North Atlantic Oscillation and the Scandinavian Index mainly control the
interannual variability of extreme waves during winters. To a lesser
extent, the East Atlantic Oscillation also modulates extreme waves in some
areas. In the Mediterranean Sea, the dominant modes regarding extreme
waves, correspond to the East Atlantic and East Atlantic/Western Russia
modes both in their negative phases.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=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:: Thursday, 4th April 2019 at 2pm
location:: H2.32, UCD O'Brien Centre for Science (Hub)
content:: Alejandro Orfila (Spanish National Research Council and the
University of the Balearic Islands) will speak on
:: Effect of small scale transport processes on phytoplankton distribution
in coastal seas / Extreme waves and climatic patterns of variability in
North Atlantic Ocean and Mediterranean Sea
endevent::

--000000000000adbf530585a12f34
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dear Colleagues,
<=
div dir=3D"ltr">
T=
he next=C2=A0seminar=C2=
=A0in the UCD=C2=A0Applied=C2=A0and Computational Maths=C2=A0Seminar=C2=A0Series <http://maths.ucd.ie/ACMSeminars/> will take=
 place next Thursday, 4th April at 2pm=C2=A0(note the unusual time a=
nd location).=C2=A0

All are welcome. Detail=
s of the=C2=A0s=
eminar=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=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=A0Alejand=
ro Orfila=C2=A0(Spani=
sh National Research Council and the University of the Balearic Islands)
Time:=C2=A0Thursday, 4th April 2019 at 2pm
Location: H2.32, UCD O'Brien =
Centre for Science (Hub)

Title:=C2=A0Effect of small scale transport proce=
sses on phytoplankton distribution in coastal seas
=

<=
font face=3D"arial, helvetica, sans-serif">Abstract:
Coastal ocean ecosystems are major cont=
ributors to the global biogeochemical cycles and biological productivity. P=
hysical factors induced by the turbulent flow play a crucial role in regula=
ting marine ecosystems. However, while large-scale open-ocean dynamics is w=
ell described by geostrophy, the role of multiscale transport processes in =
coastal regions is still poorly understood due to the lack of continuous hi=
gh-resolution observations. Here, the influence of small-scale dynamics (O(=
3.5=E2=80=9325) km, i.e. spanning upper submesoscale and mesoscale processe=
s) on surface phytoplankton derived from satellite chlorophyll-a (Chl-a) is=
 studied using Lagrangian metrics computed from High-Frequency Radar curren=
ts. The combination of complementary Lagrangian diagnostics, including the =
Lagrangian divergence along fluid trajectories, provides an improved descri=
ption of the 3D flow geometry which facilitates the interpretation of two n=
on-exclusive physical mechanisms affecting phytoplankton dynamics and patch=
iness.
=

Title:=C2=A0Extreme waves and climatic patterns of variabilit=
y in North Atlantic Ocean and Mediterranean Sea

Abstract:
=
The spatial and temporal variability of ext=
reme wave climate in the North Atlantic Ocean and the Mediterranean Sea is =
assessed using 3-hour output of wave model during a period of 31 years (197=
9-2009). The seasonality accounts for a 50% of the extreme wave height in t=
he North Atlantic Ocean and for a 85\% in the Mediterranean Sea. Once remov=
ed the seasonality, the North Atlantic Oscillation and the Scandinavian Ind=
ex mainly control the interannual variability of extreme waves during winte=
rs. To a lesser extent, the East Atlantic Oscillation also modulates extrem=
e waves in some areas. In the Mediterranean Sea, the dominant modes regardi=
ng extreme waves, correspond to the East Atlantic and East Atlantic/Western=
 Russia modes both in their negative phases.
<=
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 wis=
hes,
Barry Wardell

<=
font face=3D"Roboto, RobotoDraft, Helvetica, Arial, sans-serif">title:: UCD ACM=C2=A0Seminar
date=
-time::=C2=A0Thursday, 4th April 2019 at 2pm
location:: H2.32, UCD O'Brien Centre for Scienc=
e (Hub)
content::=C2=
=A0Alejandro Orfi=
la (Spanish National Research Council and the University of the Balearic Is=
lands)=C2=A0will speak o=
n::=C2=A0Effect of small scale transport processes on phytoplankton dist=
ribution in coastal seas /=C2=A0Extreme waves and climatic patterns of vari=
ability in North Atlantic Ocean and Mediterranean Sea
endevent::


--000000000000adbf530585a12f34--

From owner-mathdep LISTSERV.HEANET.IE  Thu Apr  4 06:40:29 2019
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Date:         Thu, 4 Apr 2019 06:40:17 +0100
Reply-To:     Vladimir Dotsenko 
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From:         Vladimir Dotsenko 
Subject: maths: Dublin Mathematics Colloquium TODAY
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this format, some or all of this message may not be legible.

--B_3637204819_1046380071
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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 motivating 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.



--B_3637204819_1046380071
Content-type: text/html;
	charset="UTF-8"
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Dublin Mathematics Colloquium
Thursday, April 4=
 at 4:00pm
Synge Theatre, Hamilton Building, TCD

Speaker: Johan Le=
ray (University Paris 13)

Title: Double Poisson algebras up to homoto=
py

Abstract:
The notion of double Poisson algebra, introduced by V=
an den Bergh in 2008, is the noncommutative analogous of Poisson structure. =
After recalling what is a Poisson structure and presenting and motivating th=
is new algebraic structure, I will define the notion of (pr)operads, which a=
re algebraic objects used to encode many algebraic structures. I will show h=
ow we can use this notion to understand what is double Poisson algebras up t=
o homotopy.



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Subject: maths: TODAY Theoretical Physics Seminar - TCD - 4 April
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> TCD THEORETICAL PHYSICS SEMINAR
> Thursday, 4 April 2019, 2:00 pm
>=20
> Seminar Room, House 20
> School of Mathematics=20
> Trinity College Dublin
>=20
> Speaker: Rajesh Gupta (King=E2=80=99s College)
> Title:  Exact computations in supersymmetric quantum field theory on =
AdS
>=20
> 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.
>=20
>=20
>=20
> All are welcome.
>=20
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>=20
> 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=_A510AC67-1F6C-4069-AB04-9D8BBD102714
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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 
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::

=

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Reply-To:     Seminars Maths NUIG 
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From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway (Monday April 8): Morphisms of Complex Hadamard matrices
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Dear All,

We will have a Seminar Monday (April 8) at 4pm in ADB1020.


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



Padraig =C3=93 Cath=C3=A1in
from Worcester Polytechnic Institute (US)

 will speak on



=E2=80=9CMorphisms of Complex Hadamard matrices=E2=80=9D

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. In this talk I will survey some
known results on existence of special types of complex Hadamard matrices,
in particular matrices with entries in the $k^{\textrm{th}}$ roots of
unity. I will report on recent joint work with Ronan Egan and Eric Swartz
on the existence of tensor-product-like maps which reduce the number of
entries in a complex Hadamard matrix at the cost of increasing the
dimension. This work generalises previous constructions of Turyn and
Compton-Craigen-de Launey of real Hadamard matrices from certain complex
Hadamard matrices with entries in the fourth and sixth roots of unity
respectively.



Contact: Tobias Rossmann



Hoping to see you all there,



Haixuan and Michael



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

--000000000000a062de0585b13b0f
Content-Type: text/html; charset="UTF-8"
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Dea=
r All,


We w=
ill have a Seminar Monday (April 8) 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


Padr=
aig =C3=93 Cath=C3=A1in

from Worcester Polytechnic Institute (US)


=C2=A0will speak on 


=C2=
=A0


=E2=
=80=9CMorphisms of Complex
Hadamard matrices=E2=80=9D


Abst=
ract: 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. In this talk I will survey some k=
nown
results on existence of special types of complex Hadamard matrices, in
particular matrices with entries in the $k^{\textrm{th}}$ roots of unity. I
will report on recent joint work with Ronan Egan and Eric Swartz on the
existence of tensor-product-like maps which reduce the number of entries in=
 a
complex Hadamard matrix at the cost of increasing the dimension. This work
generalises previous constructions of Turyn and Compton-Craigen-de Launey o=
f
real Hadamard matrices from certain complex Hadamard matrices with entries =
in
the fourth and sixth roots of unity respectively.


=C2=
=A0


Cont=
act: Tobias Rossmann


=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/




--000000000000a062de0585b13b0f--

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Reply-To:     Andrei Parnachev 
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From:         Andrei Parnachev 
Subject: maths: Theoretical Physics Seminar, TCD, April 12th
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TCD THEORETICAL PHYSICS SEMINAR
Friday, 12 April 2019, 2:00 pm  [NOTE UNUSUAL DAY: THIS SEMINAR IS ON
FRIDAY]

Seminar Room, House 20
School of Mathematics
Trinity College Dublin

Speaker: Petar Tadic (TCD)
Title: On the convergence of the gradient expansion in hydrodynamics

Abstract: Hydrodynamic excitations corresponding to sound and shear modes
in fluids are characterised by gapless dispersion relations. In the
hydrodynamic gradient expansion, their frequencies are represented by power
series in spatial momenta. We investigate the analytic structure and
convergence properties of the hydrodynamic series by studying the
associated spectral curve in the space of complexified  frequency and
complexified spatial momentum. For the strongly coupled ${\cal N}=4$
supersymmetric Yang-Mills plasma, we  use the holographic duality methods
to demonstrate that the derivative expansions have finite non-zero radii of
convergence. Obstruction to the convergence of hydrodynamic series arises
from level crossings in the quasinormal spectrum at complex momenta.

All are welcome.
=====================

title:: TCD Theoretical Physics Seminar
content:: Petar Tadic (TCD)
::On the convergence of the gradient expansion in hydrodynamics::
date-time:: 12 April 2019 at 2:00 pm
location::Seminar Room House 20, TCD
endevent::

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

--0000000000009137180585b57f6b
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TCD THEORETICAL PHYSICS SEMINAR

Friday, 12 April 2019, 2:00 pm =C2=A0[NOTE UNUSUAL DAY: THIS SEMINAR IS ON =
FRIDAY]



Seminar Room, House 20

School of Mathematics

Trinity College Dublin



Speaker: Petar Tadic (TCD)

Title:=C2=A0On the convergence of the gradient expansion in h=
ydrodynamics



Abstract:=C2=A0Hydrodynamic excitations corresponding to soun=
d and shear modes in fluids are characterised by gapless dispersion relatio=
ns. In the hydrodynamic gradient expansion, their frequencies are represent=
ed by power series in spatial momenta. We investigate the analytic structur=
e and convergence properties of the hydrodynamic series by studying the ass=
ociated spectral curve in the space of complexified =C2=A0frequency and com=
plexified spatial momentum. For the strongly coupled ${\cal N}=3D4$ supersy=
mmetric Yang-Mills plasma, we =C2=A0use the holographic duality methods to =
demonstrate that the derivative expansions have finite non-zero radii of co=
nvergence. Obstruction to the convergence of hydrodynamic series arises fro=
m level crossings in the quasinormal spectrum at complex momenta.


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:: Petar Tadic (TCD)

::On the convergence of the gradient expansion in hydrodynami=
cs::

date-time:: 12 April 2019 at 2:00 pm

location::Seminar Room House 20, TCD

endevent::



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



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Date:         Thu, 4 Apr 2019 17:35:05 +0100
Reply-To:     Hermann Render 
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From:         Hermann Render 
Subject: maths: UCD Colloquium series
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--000000000000085e4b0585b6f470
Content-Type: text/plain; charset="UTF-8"

noemail::
title:: UCD COLLOQUIUM SERIES
content::  Professor Polona Oblak  (University Ljubljana, Slovenia)  will
speak on
::  On the multiplicities of eigenvalues of symmetric matrices whose
pattern is constrained by a graph
date-time:: Tuesday 16th  April, 2019  at 15.00
location:: UCD  Science North 125
endevent::
-- 
Dr Hermann Render
University College Dublin
School of Mathematics and Statistics
Dublin, Ireland

--000000000000085e4b0585b6f470
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noemail::
title:: UCD=C2=A0COLLOQUIUM=C2=A0SERIES
content:: =C2=A0Professor=
=C2=A0Polona Oblak=C2=A0=C2=A0(University Ljubljana, Slovenia) =C2=A0will speak on
::=
=C2=A0=C2=A0On the multiplicities of eigenvalues of symmetric matrices whos=
e pattern is constrained by a graph=C2=A0=C2=A0
date-time:: Tuesday 16th=C2=A0=C2=A0April, 20=
19=C2=A0 at 15.00=C2=A0
location:: UCD =C2=A0Science North 125
endevent::
<=
/div>
-- 
Dr Hermann RenderUniversity College Dublin=C2=A0
Scho=
ol of Mathematics and Statistics
Dublin, Ireland



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From:         Hermann Render 
Subject: maths: UCD Colloquium Mathematics and Statistics on Tuesday, 16th April 15.00
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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 Polona Oblak

                      (University of Ljubljana, Slovenia)



*TITLE:   *On the multiplicities of eigenvalues of symmetric matrices whose
pattern is constrained by a graph



*TIME *: Tuesday 16th  April  2019 ,  15.00=E2=80=9415.50



*LOCATION *:   Room  N1.25 North Science  (O'Brien Centre), UCD





*COFFEE MEETING *:    Common Room, from 14.20=E2=80=9415.00





ABSTRACT :  The Inverse Eigenvalue Problem for a graph (IEPG) is a problem
of determining all possible lists of real numbers that can occur as the
lists of eigenvalues of symmetric matrices, whose pattern is constrained by
a given graph G. This question is, for general graphs, difficult to
answer.  In this talk we discuss related questions and introduce some
parameters that help us to better understand the Inverse Eigenvalue Problem
for a graph. Those include multiplicity lists of eigenvalues, and the
number of distinct eigenvalues. We will present some recent results and
open problems.



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

--000000000000dd3fae0585b7048c
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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 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 Polona Obl=
ak 

=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 (University of Ljubljana,
Slovenia)

=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=A0On the multiplicities of eigenvalues of symmetric matrices whose pattern
is constrained by a graph

=
=C2=A0


TIME=C2=A0:=C2=A0Tuesday 16^th=
=C2=A0
April=C2=A0 2019 ,=C2=A0 15.00=E2=80=9415.50 =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

=C2=A0

COFFEE MEETING=C2=A0:=C2=A0=C2=A0=C2=A0=
=C2=A0Common Room, from 14.20=E2=80=9415.00=C2=A0 

=C2=A0

=C2=A0

ABSTRACT=C2=A0: =C2=A0The Inverse
Eigenvalue Problem for a graph (IEPG) is a problem of determining all possi=
ble
lists of real numbers that can occur as the lists of eigenvalues of symmetr=
ic
matrices, whose pattern is constrained by a given graph G. This question is=
,
for general graphs, difficult to answer.=C2=A0 In this talk we discuss rela=
ted
questions and introduce some parameters that help us to better understand t=
he
Inverse Eigenvalue Problem for a graph. Those include multiplicity lists of
eigenvalues, and the number of distinct eigenvalues. We will present some
recent results and open problems.

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

<=
/div>

--000000000000dd3fae0585b7048c--

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Date:         Fri, 5 Apr 2019 16:48:36 +0100
Reply-To:     Marina Krstic Marinkovic 
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From:         Marina Krstic Marinkovic 
Subject: maths: Trinity College C. A. M. S. seminar, 8 April -- note unusual day/location
Comments: cc: Jelena Jovicevic 
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Monday, 8 April 2019, 4:00 pm  [NOTE UNUSUAL DAY: THIS SEMINAR IS ON MONDAY=
]

Joly Lecture Theatre

Hamilton Building
Trinity College Dublin

Speaker: Jelena Jovicevic (CERN)
Title: =E2=80=9CRevealing the nature of the largest Higgs Yukawa coupling"

Abstract: After the discovery of the Higgs boson, the last missing piece in
the Standard Model (SM) of particle physics, the main focus of the ATLAS
and CMS experiments at the CERN=E2=80=99s Large Hadron Collider, was the
measurement of its properties and search for signals of physics phenomena
beyond the SM. One of the most interesting properties of the Higgs boson is
its Yukawa coupling to the top quark, as it is the largest Yukawa coupling
in the theory and any deviation from the SM prediction can indicate the
existence of new physics phenomena. This coupling can be directly probed
through the associated production of the Higgs boson together with the top
quark-antiquark pair. The latest measurement of this process using the data
from the proton-proton collisions at centre of mass energy of 13 TeV will
be presented in this talk. The analysis exploits several Higgs boson
decays, along with the different top quark decay modes. These results
provide experimental observation for the production process of the Higgs
boson together with the top quark-antiquark pair.

--=20
Marina Krstic Marinkovic                                  Tel(mobile)
+353 83882 1110
Hitachi Assistant Prof.                                      Tel(office)
  +353 1 896 4598
Trinity College, Dublin 2, Ireland                      Fax +353-1-896 2282
Lloyd Building, Room 244                                e-mail
mmarina maths.tcd.ie

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Monday, 8 April 2019, 4:00 pm =C2=A0[NOTE=C2=A0UNUSUAL=C2=A0DAY: THIS SEMINAR IS ON MONDAY]
<=
/div>
Joly Lecture Theatre
Hamilton Building<=
br>Trinity College Dublin

Speaker: Jelena Jovicevic=
 (CERN)Title: =E2=80=9CRevealing the nature of the largest Higgs Yukaw=
a coupling"

Abstract: After the discovery of =
the Higgs boson, the last missing piece in the Standard Model (SM) of parti=
cle physics, the main focus of the ATLAS and CMS experiments at the CERN=E2=
=80=99s Large Hadron Collider, was the measurement of its properties and se=
arch for signals of physics phenomena beyond the SM. One of the most intere=
sting properties of the Higgs boson is its Yukawa coupling to the top quark=
, as it is the largest Yukawa coupling in the theory and any deviation from=
 the SM prediction can indicate the existence of new physics phenomena. Thi=
s coupling can be directly probed through the associated production of the =
Higgs boson together with the top quark-antiquark pair. The latest measurem=
ent of this process using the data from the proton-proton collisions at cen=
tre of mass energy of 13 TeV will be presented in this talk. The analysis e=
xploits several Higgs boson decays, along with the different top quark deca=
y modes. These results provide experimental observation for the production =
process of the Higgs boson together with the top quark-antiquark pair.

-- 
Marina Krstic Marink=
ovic =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 +353 838=
82 1110
Hitachi Assistant Prof.=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 Tel(office) =C2=A0 =C2=A0 +353 1 896 4598
Trinity Coll=
ege, Dublin 2, Ireland =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0Fax +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=A0e-mail mmarina maths.tcd.ie

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From owner-mathdep LISTSERV.HEANET.IE  Fri Apr  5 18:06:35 2019
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Date:         Fri, 5 Apr 2019 17:06:25 +0000
Reply-To:     Ciaran Mac an Bhaird 
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From:         Ciaran Mac an Bhaird 
Subject: Maths: History of Mathematics Conference at Maynooth: Registration and call for submissions
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Dear all,


Maynooth University will host a two day conference on the History of Mathem=
atics on the 1st and 2nd of August. It is being held jointly under the ausp=
ices of Irish History of Mathematics (IHoM) and the British Society for the=
 History of Mathematics.


Day one will feature invited speakers on specific texts and topics from the=
 Russell Library collection. A list of confirmed speakers and texts being c=
onsidered are available on the conference webpage.


Day two will allow for a mix of longer and shorter talks, similar to previo=
us IHoM conferences.


Conference registration and the call for the submission of proposed titles =
and abstracts for day two are now open. Titles and abstracts of no more tha=
n 200 words should be submitted by the 10th of May, and conference registra=
tion closes on the 12th of July.


For those interested in booking accommodation, some reduced rates are avail=
able and can be booked now.


The conference webpage https://www.maynoothuniversity.ie/mathematics-and-st=
atistics/historymathsconf2019 has full details.


Regards,

Dr Ciar=E1n Mac an Bhaird (Maynooth University) and Dr Philip Beeley (Unive=
rsity of Oxford)


title:: History of Mathematics Conference
content:: Invited talks on Specific texts and IHoM5
::  Maynooth University
::  Registration and call for submissions
date-time:: August 1-2, 2019.
location:: Maynooth University, Kildare, Ireland
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_VI1PR02MB4702D5A9581FD5B539902CB98C510VI1PR02MB4702eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable










Dear all,








Mayno=
oth University will host a two day conference
 on the History of Mathematics on =
the 1st and 2nd of August. It is being held
 jointly under the auspices of Irish History of Mathematics (IHoM=
) and the British Society for the History
 of Mathematics.





Day one will feature invited speakers on specific texts and =
topics from the Russell Library collection. A list of confirmed speakers an=
d texts being considered are available
 on the conference webpage. 







Day two will allow for a mix of longer and shorter talks, si=
milar to previous IHoM conferences.







Conference registration and the call
 for the submission of proposed titles and abstracts for day two are now op=
en. Titles and abstracts of no more than 200 word=
s should be submitted by the 10th
 of May, and conference registration closes on the 12th of July. 





For those interested in booking =
accommodation, some reduced rates are available and can be booked now.=
 







The conference webpage https://www.maynoothuniversity.ie/mathemat=
ics-and-statistics/historymathsconf2019&nb=
sp;has
 full details.




Regards,






Dr=
 Ciar=E1n Mac an Bhaird (Maynooth University) and Dr Philip Beeley (Univers=
ity of Oxford)



title:: History
 of Mathematics Co=
nference

content::
 Invited talks on Specific texts and IHoM5

::
  Maynooth University 

::&nbs=
p; Registration
 and call for su=
bmissions 

date-time::
 August 1-2, 2019.

location::
 Maynooth University, Kildare, Ireland

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_VI1PR02MB4702D5A9581FD5B539902CB98C510VI1PR02MB4702eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Fri Apr  5 22:42:30 2019
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Date:         Fri, 5 Apr 2019 22:42:13 +0100
Reply-To:     Barry Wardell 
Sender:       UCD Maths Department Distribution List 
From:         Barry Wardell 
Subject: UCD Applied & Computational Mathematics Seminar, April 8th 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, 8th 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:* Abraham Harte (Dublin City University)
*Time:* Monday, 8th April 2019 at 1pm
*Location: *1.25 SCN, UCD O'Brien Centre for Science (North)
*Title:* Does geometric optics depend on geometry?

*Abstract:*
An immediate answer to the question in the title might be that of course
geometric optics depends on geometry; it's right there in the name!
However, the point of this talk will be to explain that while geometric
optics does depend on geometry, it does so only slightly. This can be
important because certain astronomical observations attempt to infer the
geometry of spacetime (and its matter content) using the properties of
electromagnetic or gravitational waves which pass through it. Doing so
naturally leads to the question of whether or not such inferences are
unique: If a particular field is known to be compatible with a particular
background metric, is it compatible with other metrics as well? I will
explain that in fact, the number of possibilities is enormous. This is
particularly true in the geometric optics approximation, where, for many
observables, the class of allowed metrics involves seven free functions.
Some of these functions may be identified with conformal and Kerr-Schild
transformations, but there is much more besides. Going beyond geometric
optics can provide a somewhat more discerning picture of the underlying
geometry, but some observables remain invariant with respect to large
classes of metric transformations.

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

Best wishes,
Barry Wardell

title:: UCD ACM Seminar
date-time:: Monday, 8th April 2019 at 1pm
location:: 1.25 SCN, UCD O'Brien Centre for Science (North)
content:: Abraham Harte (Dublin City University) will speak on
:: Does geometric optics depend on geometry?
endevent::

--0000000000007894bb0585cf5ca9
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=A0Applied=C2=A0and Computational Maths=C2=A0Seminar=C2=A0Series <http://maths.ucd.ie/ACMSemi=
nars/> will take place next Monday, 8th April at 1pm.

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

All are welcom=
e. 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=A0Computati=
onal=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=A0Abraham Harte=C2=A0(Dublin City University)
Time:=C2=
=A0Monday, 8th April 2019 at 1pm
1.25 SCN, UCD O'Brien C=
entre for Science (North)
Title=
:=C2=A0Does ge=
ometric optics depend on geometry?

Abstract:
An immediate answer to the question in the title mig=
ht be that of course geometric optics depends on geometry; it's right t=
here in the name! However, the point of this talk will be to explain that w=
hile geometric optics does depend on geometry, it does so only slightly. Th=
is can be important because certain astronomical observations attempt to in=
fer the geometry of spacetime (and its matter content) using the properties=
 of electromagnetic or gravitational waves which pass through it. Doing so =
naturally leads to the question of whether or not such inferences are uniqu=
e: If a particular field is known to be compatible with a particular backgr=
ound metric, is it compatible with other metrics as well? I will explain th=
at in fact, the number of possibilities is enormous. This is particularly t=
rue in the geometric optics approximation, where, for many observables, the=
 class of allowed metrics involves seven free functions. Some of these func=
tions may be identified with conformal and Kerr-Schild transformations, but=
 there is much more besides. Going beyond geometric optics can provide a so=
mewhat more discerning picture of the underlying geometry, but some observa=
bles remain invariant with respect to large classes of metric transformatio=
ns.

=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<=
br>

=
Best wishes,
Barry Wa=
rdell

title:: UCD ACM=C2=A0Seminar
date-time::=C2=A0Monday, 8th April 2019 at 1pm
location:: 1.25 SCN, UCD O'Brien Centre =
for Science (North)
c=
ontent::=C2=A0Abraham Ha=
rte=C2=A0(=
Dublin City University)=C2=A0will speak on
::=
=C2=A0Does geometric optics depend on geometry?endevent::
=
=


--0000000000007894bb0585cf5ca9--

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Date:         Mon, 8 Apr 2019 09:55:47 +0100
Reply-To:     john.s.butler dit.ie
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From:         John Butler <200714 DIT.IE>
Subject: maths: TU Dublin Mathematical Sciences Public Lecture
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TU Dublin Mathematical Sciences Public Lecture

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

Title: =E2=80=98Adding=E2=80=99 value =E2=80=93 why the New Economy needs m=
athematics



Speaker: Professor Vakhtang Putkaradze (University of Alberta)



Date and time: 6:30pm, Thursday 11th April 2019



Venue: TU Dublin, City Campus, Aungier Street, Room AUG-018



Abstract:

Abstract: =E2=80=9CWhy study mathematics when computers have become so clev=
er?
Won't computers eventually solve all our problems, and we just need to find
the right way to feed them information?=E2=80=9D In this talk, we shall con=
sider
examples of why modern technology and leading industries demand
higher-than-ever levels of mathematical knowledge, contrary to the
'computers can solve everything' viewpoint. We shall also discuss the
importance of nurturing the free creative spirit in mathematics research.
The examples that will be explored will range from renewable energy, sensor
development and mathematics of sports, to recent start-ups from Silicon
Valley.


All are welcome!


To book a place visit:
https://www.eventbrite.com/e/public-lecture-by-professor-vakhtang-putkaradz=
e-tickets-59351284289
or www.maths.dit.ie.

_________________________________________________________________________

The talk is made possible by the James M Flaherty Visiting Professorship
award from the Ireland - Canada University Foundation, with the assistance
of the Government of Canada/avec l=E2=80=99appui du gouvernement  du Canada=
.
Partial support from NSERC and the University of Alberta is gratefully
acknowledged.


--=20

[image: turn on images] 

John S Butler

Lecturer

City Campus
________________________________________

Twitter   jslbutler  -- Google Scholar
 =E2=80=
=93
Researchgate  =
=E2=80=93
website 

OT Baile =C3=81tha Cliath - Scoil na nEola=C3=ADochta=C3=AD Matamaitici=C3=
=BAla, Campas Sr=C3=A1id
Chaoimh=C3=ADn, Baile =C3=81tha Cliath 8, =C3=89ire

TU Dublin - School of Mathematical Sciences, Kevin Street Campus, Dublin 8,
Ireland

--=20


*This email originated from=C2=A0TU=C2=A0Dublin. If you received this email=
 in=20
error, please delete it from your system. Please note that if you are not=
=20
the named addressee, disclosing, copying, distributing or taking any action=
=20
based on the contents of this email or attachments is prohibited.=C2=A0****=
***


*Is =C3=B3 OT Baile =C3=81tha Cliath a th=C3=A1inig an r=C3=ADomhphost seo.=
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r=C3=ADomhphost seo tr=C3=AD earr=C3=A1id, scrios de do ch=C3=B3ras =C3=A9 =
le do thoil. Tabhair ar=20
aird, mura t=C3=BA an seola=C3=AD ainmnithe, go bhfuil dianchosc ar aon noc=
htadh, aon=20
ch=C3=B3ipe=C3=A1il, aon d=C3=A1ileadh n=C3=B3 ar aon ghn=C3=ADomh a dh=C3=
=A9anfar bunaithe ar an =C3=A1bhar=20
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--0000000000004764a005860101db
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

TU Dublin Mathematical Sciences Public Lecture<=
p class=3D"MsoNormal" style=3D"margin:0cm 0cm 0.0001pt;line-height:normal;b=
ackground-image:initial;background-position:initial;background-size:initial=
;background-repeat:initial;background-origin:initial;background-clip:initia=
l;font-size:11pt;font-family:Calibri,sans-serif">---=
----------------------------------------
Titl=
e:=C2=A0=E2=80=98Adding=E2=80=99 value =E2=80=93 why the=
 New Economy=C2=A0needs mathematics

=C2=A0Speaker:=C2=A0Professor Vakh=
tang Putkaradze (University of Alberta)
=C2=A0
Date and time: 6:30pm, Thursday 11th April 2=
019
=C2=A0
Venu=
e:=C2=A0TU Dublin, City Campus, Aungier Street, Room AUG=
-018
=C2=A0=
Abstract:
Abstrac=
t: =E2=80=9CWhy study mathematics when computers have become so clever? Won=
't computers eventually solve all our problems, and we just need to fin=
d the right way to feed them information?=E2=80=9D In this talk, we shall c=
onsider examples of why modern technology and leading industries demand hig=
her-than-ever levels of mathematical knowledge, contrary to the 'comput=
ers can solve everything' viewpoint. We shall also discuss the importan=
ce of nurturing the free creative spirit in mathematics research. The examp=
les that will be explored will range from renewable energy, sensor developm=
ent and mathematics of sports, to recent start-ups from Silicon Valley.

All are welcome!

To book a place visit: https://=
www.eventbrite.com/e/public-lecture-by-professor-vakhtang-putkaradze-ticket=
s-59351284289 or www.maths.dit.ie.
________________________________________________________=
_________________
The talk is made possible by the James M F=
laherty Visiting Professorship award from the Ireland - Canada University F=
oundation, with the assistance of the Government of Canada/avec l=E2=80=99a=
ppui du gouvernement=C2=A0 du Canada. Partial support from NSERC and the Un=
iversity of Alberta is gratefully acknowledged.

<=
/div>
-- 

John S Butler
Lecturer
City Camp=
us
________________________________________<=
/table>Twitter=C2=A0 jslbutler=C2=A0 -- Go=
ogle Scholar =E2=80=93 Researchgate=C2=A0=E2=80=93 website
OT Baile =C3=81tha =
Cliath - Scoil na nEola=C3=ADochta=C3=AD Matamaitici=C3=BAla, Campas Sr=C3=
=A1id Chaoimh=C3=ADn, Baile =C3=81tha Cliath 8, =C3=89ire
TU Dublin - School of Mathematical Sciences, Kevin Street C=
ampus, Dublin 8, Ireland




This email originate=
d from=C2=A0TU=C2=A0Dublin. If you received this email in error, please del=
ete it from your system. Please note that if you are not the named addresse=
e, disclosing, copying, distributing or taking any action based on the cont=
ents of this email or attachments is prohibited.=C2=A0<=
/u>
Is =C3=B3 OT Baile =
=C3=81tha Cliath a th=C3=A1inig an r=C3=ADomhphost seo. M=C3=A1 fuair t=C3=
=BA an r=C3=ADomhphost seo tr=C3=AD earr=C3=A1id, scrios de do ch=C3=B3ras =
=C3=A9 le do thoil. Tabhair ar aird, mura t=C3=BA an seola=C3=AD ainmnithe,=
 go bhfuil dianchosc ar aon nochtadh, aon ch=C3=B3ipe=C3=A1il, aon d=C3=A1i=
leadh n=C3=B3 ar aon ghn=C3=ADomh a dh=C3=A9anfar bunaithe ar an =C3=A1bhar=
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Date:         Mon, 8 Apr 2019 10:09:46 +0100
Reply-To:     Seminars Maths NUIG 
Sender:       UCD Maths Department Distribution List 
From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway (today): Morphisms of Complex Hadamard matrices
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Dear All,

We will have a Seminar today (April 8) at 4pm in ADB1020.


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



Padraig =C3=93 Cath=C3=A1in
from Worcester Polytechnic Institute (US)

 will speak on



=E2=80=9CMorphisms of Complex Hadamard matrices=E2=80=9D

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. In this talk I will survey some
known results on existence of special types of complex Hadamard matrices,
in particular matrices with entries in the $k^{\textrm{th}}$ roots of
unity. I will report on recent joint work with Ronan Egan and Eric Swartz
on the existence of tensor-product-like maps which reduce the number of
entries in a complex Hadamard matrix at the cost of increasing the
dimension. This work generalises previous constructions of Turyn and
Compton-Craigen-de Launey of real Hadamard matrices from certain complex
Hadamard matrices with entries in the fourth and sixth roots of unity
respectively.



Contact: Tobias Rossmann



Hoping to see you all there,



Haixuan and Michael



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

--000000000000693ef305860133d4
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dear All,
We will have a Seminar today (April 8) at=
 4pm in ADB1020. 

 Coffee/tea/cakes/biscuits will be served in ADB-G022 from 3:3=
0.
=C2=A0=
Padraig =
=C3=93 Cath=C3=A1in
 from Worcester Polytechnic Institute (US)
=C2=A0will speak on 
=C2=A0
=E2=80=9CMorphisms of Complex Hadamard matrices=E2=80=9D
Abstract: Let $M$ b=
e a matrix with complex entries of unit norm. A well-known theorem of Hadam=
ard bounds the magnitude of the determinant of $M$ as a function of its dim=
ension, and $M$ is a complex Hadamard matrix if $M$ meets Hadamard's bo=
und with equality. In this talk I will survey some known results on existen=
ce of special types of complex Hadamard matrices, in particular matrices wi=
th entries in the $k^{\textrm{th}}$ roots of unity. I will report on recent=
 joint work with Ronan Egan and Eric Swartz on the existence of tensor-prod=
uct-like maps which reduce the number of entries in a complex Hadamard matr=
ix at the cost of increasing the dimension. This work generalises previous =
constructions of Turyn and Compton-Craigen-de Launey of real Hadamard matri=
ces from certain complex Hadamard matrices with entries in the fourth and s=
ixth roots of unity respectively.
=C2=A0
Contact: Tobias Rossmann
=C2=A0
Hoping to see you all there,
=C2=A0<=
font color=3D"#000000" face=3D"Times New Roman" size=3D"3">Haixuan and Michael=
=C2=A0
Future sem=
inars are listed at=C2=A0http://www.nuigalway.ie/science/school-of-maths/seminar=
s/ 


--000000000000693ef305860133d4--

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Message-ID:  
Date:         Mon, 8 Apr 2019 10:11:25 +0100
Reply-To:     Marina Krstic Marinkovic 
Sender:       UCD Maths Department Distribution List 
From:         Marina Krstic Marinkovic 
Subject: maths: TODAY -- Trinity College C. A. M. S. seminar on recent experimental results from CERN -- note unusual day/location
To:           MATHDEP LISTSERV.HEANET.IE
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---------- Forwarded message ---------
From: Marina Krstic Marinkovic 
Subject: maths: Trinity College C. A. M. S. seminar, 8 April -- note
unusual day/location


Monday, 8 April 2019, 4:00 pm  [NOTE UNUSUAL DAY: THIS SEMINAR IS ON MONDAY=
]

Joly Lecture Theatre

Hamilton Building
Trinity College Dublin

Speaker: Jelena Jovicevic (CERN)
Title: =E2=80=9CRevealing the nature of the largest Higgs Yukawa coupling"

Abstract: After the discovery of the Higgs boson, the last missing piece in
the Standard Model (SM) of particle physics, the main focus of the ATLAS
and CMS experiments at the CERN=E2=80=99s Large Hadron Collider, was the
measurement of its properties and search for signals of physics phenomena
beyond the SM. One of the most interesting properties of the Higgs boson is
its Yukawa coupling to the top quark, as it is the largest Yukawa coupling
in the theory and any deviation from the SM prediction can indicate the
existence of new physics phenomena. This coupling can be directly probed
through the associated production of the Higgs boson together with the top
quark-antiquark pair. The latest measurement of this process using the data
from the proton-proton collisions at centre of mass energy of 13 TeV will
be presented in this talk. The analysis exploits several Higgs boson
decays, along with the different top quark decay modes. These results
provide experimental observation for the production process of the Higgs
boson together with the top quark-antiquark pair.

--=20
Marina Krstic Marinkovic                                  Tel(mobile)
+353 83882 1110
Hitachi Assistant Prof.                                      Tel(office)
  +353 1 896 4598
Trinity College, Dublin 2, Ireland                      Fax +353-1-896 2282
Lloyd Building, Room 244                                e-mail
mmarina maths.tcd.ie


--=20
Marina Krstic Marinkovic                                  Tel(mobile)
+353 83882 1110
Hitachi Assistant Prof.                                      Tel(office)
  +353 1 896 4598
Trinity College, Dublin 2, Ireland                      Fax +353-1-896 2282
Lloyd Building, Room 244                                e-mail
mmarina maths.tcd.ie

--00000000000096b42e0586013ba4
Content-Type: text/html; charset="UTF-8"
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---------- Forwarded message ---------
From: Marina Krstic Marinkovic <mmarina maths.tcd.ie>
Subject: maths: Trinity College C. =
A. M. S. seminar, 8 April -- note unusual day/location


Monday, 8 April 2019, 4:00 pm =C2=A0[NOTE=C2=A0UNUSUAL=C2=
=A0DAY: THIS SEMINAR IS ON MONDAY]

Joly Lecture Theatre
Hamilton Building
Trinity College=
 Dublin

Speaker: Jelena Jovicevic (CERN)Title:=
 =E2=80=9CRevealing the nature of the largest Higgs Yukawa coupling"
Abstract: After the discovery of the Higgs boson, t=
he last missing piece in the Standard Model (SM) of particle physics, the m=
ain focus of the ATLAS and CMS experiments at the CERN=E2=80=99s Large Hadr=
on Collider, was the measurement of its properties and search for signals o=
f physics phenomena beyond the SM. One of the most interesting properties o=
f the Higgs boson is its Yukawa coupling to the top quark, as it is the lar=
gest Yukawa coupling in the theory and any deviation from the SM prediction=
 can indicate the existence of new physics phenomena. This coupling can be =
directly probed through the associated production of the Higgs boson togeth=
er with the top quark-antiquark pair. The latest measurement of this proces=
s using the data from the proton-proton collisions at centre of mass energy=
 of 13 TeV will be presented in this talk. The analysis exploits several Hi=
ggs boson decays, along with the different top quark decay modes. These res=
ults provide experimental observation for the production process of the Hig=
gs boson together with the top quark-antiquark pair.
=

-- 
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=A0Te=
l(mobile) =C2=A0 +353 83882 1110
Hitachi Assistant Prof.=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 Tel(office) =C2=A0 =C2=A0 +35=
3 1 896 4598
Trinity College, Dublin 2, Ireland =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Fax +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=A0e-mail mmarina maths.tcd.ie



-- 
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=A0Tel(mobile) =C2=A0 +353 83882 1110
Hitachi Assistant Prof.=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 Tel(office) =C2=A0 =
=C2=A0 +353 1 896 4598
Trinity College, Dublin 2, Ireland =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Fax +353-1-89=
6 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=A0e-=
mail mmarina math=
s.tcd.ie


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From owner-mathdep LISTSERV.HEANET.IE  Mon Apr  8 10:18:57 2019
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Date:         Mon, 8 Apr 2019 10:18:45 +0100
Reply-To:     Kazim Buyukboduk 
Sender:       UCD Maths Department Distribution List 
From:         Kazim Buyukboduk 
Subject: maths: UCD Algebra and Number Theory Seminar (April 11)
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UCD Algebra and Number Theory Seminar


*Speaker:* Denis Benois (Bordeaux)
*Title:* Explicit Reciprocity Laws

*Abstract:* The search for generalizations of the quadratic reciprocity law
was a major theme in 19th century mathematics.  Class Field Theory reduces
this problem to an explicit computation of the Hilbert symbol for local
fields. This problem was completely solved  in the late 70's.  The
pioneering work of Bloch and Kato on special values of L-functions (1990)
showed that  classical explicit reciprocity laws can be considered as
particular cases of general  reciprocity laws for p-adic representations of
Galois groups. This picture remains mainly conjectural, but in all known
cases  reciprocity laws relate arithmetic invariants of p-adic
representations to  special values of  associated L-functions. In this
talk, I will give an overview of this extensive theory.

*Date:* Thursday, April 11, 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:: Denis Benois (Bordeaux) will speak on
:: Explicit Reciprocity Laws
date-time:: Thursday, April 11, 2019 at 2:00pm
location:: Room 1.25, O=E2=80=99Brien Centre for Science (North)
endevent::

--0000000000002831d20586015391
Content-Type: text/html; charset="UTF-8"
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UCD Algebra and Number Theory Seminar=


=
Speaker:=C2=A0Denis Benois (Bordeaux)=C2=A0Title:=C2=A0Explicit Re=
ciprocity Laws

Abstract:=C2=A0The s=
earch for generalizations of the quadratic reciprocity law was a major them=
e in 19th century mathematics.=C2=A0 Class Field Theory reduces this proble=
m to an explicit computation of the Hilbert symbol for local fields. This p=
roblem was completely solved =C2=A0in the late 70's.=C2=A0 The pioneeri=
ng work of Bloch and Kato on special values of L-functions (1990) showed th=
at =C2=A0classical explicit reciprocity laws can be considered as particula=
r cases of general =C2=A0reciprocity laws for p-adic representations of Gal=
ois groups. This picture remains mainly conjectural, but in all known cases=
 =C2=A0reciprocity laws relate arithmetic invariants of p-adic representati=
ons to =C2=A0special values of =C2=A0associated L-functions. In this talk, =
I will give an overview of this extensive theory.=C2=A0

Date:=C2=A0Thursday, April 11, 20=
19
Time:=C2=A02:00pm
Location:=C2=A0Room 1.25, O=E2=80=
=99Brien Centre for Science (North) (map)

title:: UCD Algebra and Numbe=
r Theory Seminar
content::=C2=A0Denis Benois (Bordeaux)=C2=A0will speak on
::=C2=A0Explicit Reciprocity Laws
date-time:: Thursday, April 11=
, 2019 at 2:00pm
location::=C2=A0Room 1.25, O=E2=80=99Brien Centre for Science=
 (North)
endevent::

<=
/div>


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Date:         Mon, 8 Apr 2019 10:19:56 +0100
Reply-To:     Seminars Maths NUIG 
Sender:       UCD Maths Department Distribution List 
From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway (Thursday April 11): Molecular computing with DNA self-assembly: Theory and implementation
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--000000000000a47c6f05860157a9
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Dear All,

Besides today=E2=80=99s seminar, we will have another seminar this week (Th=
ursday
April 11) at 4pm in ADB1020.


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



Damien Woods
from Maynooth University

 will speak on



=E2=80=9CMolecular computing with DNA self-assembly: Theory and implementat=
ion=E2=80=9D

Abstract: The theory of computation is substrate independent, meaning that
computers are not necessarily required to use silicon chips and
electricity. Molecules bumping around in a test tube are particularly
well-suited to implementing computations. Algorithmic self-assembly is one
form of molecular computation where molecules interact to assemble or grow
structures while executing a computation. On the one hand, theoretical work
is concerned with characterising the computational expressiveness of
self-assembly models: what problems can they solve? On the other, practice
is concerned with using molecules, such as DNA, to implement algorithmic
self-assembly programs in the wet-lab. The presentation will cover both
topics. There will be a light-hearted introduction to self-assembly models
and what it means to compute during a self-assembly process, along with
some basic mathematical results. Attendees will then be given an overview
of how one goes about designing and experimentally implementing algorithmic
self-assembling DNA tiles in the wet lab, and will see some of our latest
results on that topic from joint work with collaborators David Doty,
Cameron Myhrvold, Joy Hui, Felix Zhou, Peng Yin and Erik Winfree.



Contact: Cathal Seoighe



Hoping to see you all there,



Haixuan and Michael



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

--000000000000a47c6f05860157a9
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable



Dea=
r All,


Besi=
des today=E2=80=99s seminar, we will have another seminar this week (Thursd=
ay
April 11) 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


Dami=
en Woods

from Maynooth University


=C2=A0will speak on 


=C2=
=A0


=E2=
=80=9CMolecular computing with DNA
self-assembly: Theory and implementation=E2=80=9D


Abst=
ract: The theory of computation is substrate independent,
meaning that computers are not necessarily required to use silicon chips an=
d
electricity. Molecules bumping around in a test tube are particularly
well-suited to implementing computations. Algorithmic self-assembly is one =
form
of molecular computation where molecules interact to assemble or grow
structures while executing a computation. On the one hand, theoretical work=
 is
concerned with characterising the computational expressiveness of self-asse=
mbly
models: what problems can they solve? On the other, practice is concerned w=
ith
using molecules, such as DNA, to implement algorithmic self-assembly progra=
ms
in the wet-lab. The presentation will cover both topics. There will be a
light-hearted introduction to self-assembly models and what it means to com=
pute
during a self-assembly process, along with some basic mathematical results.
Attendees will then be given an overview of how one goes about designing an=
d
experimentally implementing algorithmic self-assembling DNA tiles in the we=
t
lab, and will see some of our latest results on that topic from joint work =
with
collaborators David Doty, Cameron Myhrvold, Joy Hui, Felix Zhou, Peng Yin a=
nd
Erik Winfree.


=C2=
=A0


Cont=
act: Cathal Seoighe


=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/




--000000000000a47c6f05860157a9--

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Subject: maths: CETL-MSOR 2019: Final 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 and will close on Friday, 12th April*.


*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*.



Full registration details are now available on the conference website.



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

--=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=
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by the addressee. Read more here.=20
*



*

--=20

  =20
=20
=20


--000000000000678e090586018f69
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Dear colleagues,

Apologies for any cross-posting.=

CETL-MSOR=C2=A02019:=C2=A0 Bringing together mathematics comm=
unities
5th & 6th September=C2=A02019=C2=A0at Dublin City University, Dublin, Ireland=
http://w=
ww.sigma-network.ac.uk/=
cetl-msor=
-conference-2019/=C2=A0

We are=
 pleased to announce our keynote speakers:
Dr. Joe K=
yle, University of Birmingham
Prof. Du=
ncan Lawson, Coventry University
Prof.=
 Alice Rogers OBE, King=E2=80=99s College London
=C2=A0=
The=
 call for abstracts is now open and will close on Friday, 12th April=
.=C2=A0

The Conference Committee warmly welcomes submissions relating to the lear=
ning and teaching of mathematics and statistics within any discipline in hi=
gher education. For=C2=A0CETL-MSOR=C2=A02019, we=C2=A0are particularly keen to receive submissions that can=
 demonstrate enhancements which are based on reflective and evidence-inform=
ed practice in relation to the following themes:=C2=A0=C2=A0
=
Developing communities of learners in mathematics and stati=
stics support within, and across, the disciplines.=C2=A0=C2=A0
Teaching specialist mathematicians.
Inclusive d=
esign for mathematics learning.
Supporting st=
udents on the transition into and out of higher education.
We invite you to submit=C2=A0ab=
stracts=C2=A0for=C2=A0oral=C2=A0presentations (20 minute session), workshops (60 minute session) and=
 lightning talks (3 minute presentation). We are also interested in receivi=
ng student-led submissions.
=C2=A0
Please complete the=C2=A0abstr=
act submission form, save as a PDF and upload to=C2=A0EasyChair=C2=A0by the deadline of=C2=A012th April=C2=A02019.
=C2=A0Full registra=
tion details are now available on the conference=C2=A0website.=

We will invite speakers to submit a full paper =
based on your presentation, which will be considered=C2=A0for publication i=
n a special conference issue of=C2=A0MSOR=C2=A0Connec=
tions, after the conference.
=C2=A0=

Best wishes,

Eabhnat N=C3=AD Fhloinn, Dublin City University=
=C2=A0=
Shazia Ahmed, University=C2=A0of Glasgow<=
u>
=
Michael Grove, University of Bir=
mingham
Ciar=C3=A1n Mac an Bhaird, Maynooth University
Rob Wilson, University o=
f Cardiff
-- 
Dr. Eabhnat N=C3=AD FhloinnDirector of Maths Le=
arning Centre
Room X138A
School of Mathematical Science=
s
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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Date:         Mon, 8 Apr 2019 11:52:59 +0100
Reply-To:     George Rogers 
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From:         George Rogers 
Subject: Maths: DIAS, STP Seminar: Thursday, 11 April 2019, 2:30pm
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DIAS THEORETICAL PHYSICS SEMINAR

Time: Thursday 11 April 2019, 2.30 pm

Speaker: Max McGinley (University of Cambridge)

Title: Topology of quantum systems out of equilibrium.

Abstract: Topological phases of matter have attracted a huge amount of 
interest in recent years, thanks largely to the discovery of topological 
insulators in two and three spatial dimensions, amongst other 
experimental successes. These phases fall outside of Landau's 
symmetry-breaking paradigm, and can be understood through some notion of 
a `twist' in the ground state wavefunction, partnered with 
characteristic gapless edge states at their physical boundaries. Through 
understanding the mathematical structures which encode the ground state 
wavefunction's
topological properties, it has been possible to exhaustively classify
different topological phases in a manner which is sensitive to spatial
dimension, symmetries, and the presence/absence of interactions.

In this talk, rather than discussing the topological properties of
ground states of Hamiltonians, I will consider nonequilibrium states
resulting from unitary time evolution. I will demonstrate how the
topology of wavefunctions can differ in and out of equilibrium, and
provide some simple concrete examples which demonstrate their key
phenomenology. Just as in equilibrium, it is possible to construct an
exhaustive non-equilibrium classification of topological systems, and I
will present this classification for non-interacting fermions with
non-spatial symmetries, encompassing the majority of the so-far
experimentally realized systems. I will conclude by discussing the
direct experimental consequences of our results, including important
ramifications for the use of topological zero-energy bound states in
quantum information technologies.

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:: Max McGinley
date-time:: 11 April 2019, 2:30 pm
location:: School of Theoretical Physics, DIAS. 10 Burlington Road, D.4.
endevent::

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Date:         Mon, 8 Apr 2019 15:06:12 +0100
Reply-To:     John Regan 
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Subject: maths: CfAR Seminar: Wednesday 10th April, James Edholm
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Centre for Astrophysics & Relativity

www.cfar.ie

*Speaker:* *Dr. James Edholm (University of Lancaster)*

**

*Title:* **Modifying General Relativity without introducing ghosts**

**
**
*Abstract:* /We know that General Relativity breaks down at short=20
distances, when we try and apply it to black holes and the Big Bang.=20
Attempts to fix this by modifying GR generically lead to ghosts, but by=20
introducing infinite derivatives to the Lagrangian, we can generate a=20
ghost-free theory: Infinite Derivative Gravity. I will discuss how this=20
affects=C2=A0the Newtonian potential, show that we can avoid singularities=
=20
and how IDG can also generate the cosmological inflation which we=20
observe in the early universe. ///

////

//

////*/Date: Wednesday 10th April   15.00/**/. Tea/Coffee will be served=20
in XG22 from 14.45. /*/

/Location: Lonsdale Building (X Building) Room XG22
https://www.dcu.ie/info/campus.shtml
/////*

*Everyone welcome!*

* /Best,
John/
/

--=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
*



*

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  =20
=20
=20


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            Centre for Astrophysics &
                  Relativity 

               
            
              
                
                  
                    
                      
                        
                          
                            
                              
                                
                                  
                                    
                                      
                                        
                                          
                                            www.cfar.ie=


                                            
                                            Speaker=
:
                                                Dr.
                                                      James Edholm
                                                      (University of
                                                      Lancaster)=

                                            
                                             
                                             
                                            
                                            Title:<=
/b>=C2=A0
                                              <=
strong>Modifying
                                                    General Relativity
                                                    without introducing
                                                    ghosts

                                             <=
/b>

                                           
                                          Abstract:=

                                            We know that General
                                              Relativity breaks down at
                                              short distances, when we
                                              try and apply it to black
                                              holes and the Big Bang.
                                              Attempts to fix this by
                                              modifying GR generically
                                              lead to ghosts, but by
                                              introducing infinite
                                              derivatives to the
                                              Lagrangian, we can
                                              generate a ghost-free
                                              theory: Infinite
                                              Derivative Gravity. I will
                                              discuss how this
                                              affects=C2=A0the Newtonian
                                              potential, show that we
                                              can avoid singularities
                                              and how IDG can also
                                              generate the cosmological
                                              inflation which we observe
                                              in the early universe.=C2=A0<=
/em>
                                            
                                            
                                          

                                          
                                            
                                             Date:
                                                  Wednesday 10th April  
                                                  15.00. Tea/Coffee
                                                  will be served in XG22
                                                  from 14.45. 

                                                  

                                                Location:
                                              Lonsdale Building (X
                                              Building) Room XG22

                                              http=
s://www.dcu.ie/info/campus.shtml

                                            
                                                      

                                                    Eve=
ryone
                                                      welcome!
                                                    

                                                   <=
font
                                              size=3D"+1">Best,

                                              John

                                                 

                                        

                                      

                                    

                                  

                                

                              

                            

                          

                        

                      

                    

                  

                

              

            

          

        

      

    

  




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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.







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From owner-mathdep LISTSERV.HEANET.IE  Mon Apr  8 16:22:55 2019
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Date:         Mon, 8 Apr 2019 15:22:47 +0000
Reply-To:     David Wraith 
Sender:       UCD Maths Department Distribution List 
From:         David Wraith 
Subject: maths: Irish Geometry Conference 2019
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Dear all,


This year's Irish Geometry Conference will be held in Maynooth University o=
n Friday 17th and Saturday 18th May 2019. The details (as they currently st=
and) are available at the following link:


 https://www.maynoothuniversity.ie/mathematics-and-statistics/irish-geometr=
y-conference-2019


The planned talks will involve a wide range of geometric and topological to=
pics. Everyone is welcome to attend. We would like to ask anyone who is thi=
nking of attending to complete a registration form (via the above link) so =
we can estimate numbers.


Regards,

David Wraith

(on behalf of the organisers).



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

Professor David Wraith

Department of Mathematics and Statistics

National University of Ireland Maynooth

Co Kildare

Ireland

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Dear all,



This year's Irish Geometry Confe=
rence will be held in Maynooth University on Friday 17th and Saturday 18th =
May 2019. The details (as they currently stand) are available at the follow=
ing link:



 https:/=
/www.maynoothuniversity.ie/mathematics-and-statistics/irish-geometry-confer=
ence-2019



The planned talks will involve a=
 wide range of geometric and topological topics. Everyone is welcome to att=
end. We would like to ask anyone who is thinking of attending to compl=
ete a registration form (via the above
 link) so we can estimate numbers.



Regards,
David Wraith 
(on behalf of the organisers).







---------------------------------------------------------
Professor David Wraith
Department of Mathematics and Statistics
National University of Ireland Maynooth
Co Kildare
Ireland








--_000_AM0PR02MB5188D7A1C443DF6295B82A1E812C0AM0PR02MB5188eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Tue Apr  9 12:52:07 2019
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Date:         Tue, 9 Apr 2019 11:51:43 +0000
Reply-To:     Julie Crowley 
Sender:       UCD Maths Department Distribution List 
From:         Julie Crowley 
Subject: Maths: Digi-teach Cork
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Hi all,

Delighted to announce the timetable for "Digi-Teach: Digital Teaching Tools=
 for Mathematics in Higher Education" on Tuesday 14th May 2019 in Cork Inst=
itute of Technology.
It is part of the National Forum for the Enhancement of Teaching and Learni=
ng Seminar Series.
You can register for this event at https://www.eventbrite.ie/e/digi-teach-d=
igital-teaching-tools-for-mathematics-in-higher-education-tickets-528616957=
55?aff=3Debdssbdestsearch
Places are limited.

All the best,
Julie

Welcome

Digi-Teach: Digital Teaching Tools for Mathematics in Higher Education
[cid:image002.jpg 01D4EED2.FAACD2C0]

Seminar Schedule
Morning
9.30 - 10.00

Registration

10.00 - 10.10

Welcome and Opening Address

10.10 - 11.00

"Time and learning: Using online videos to complement and/or replace the li=
ve Mathematics Lecture", Prof Maria Meehan, UCD

11.00 - 11.30

Break

11.30 - 12.00

"Virtual Reality Technology for Learning", Dr Gear=F3id =D3 S=FAilleabh=E1i=
n, CIT

Lightening Talks
12.00 - 12.15

"Customizing Feedback for Students in Numbas", Dr Clodagh Carroll, CIT

12.15 - 12.30

"Three Act Maths: Time for Tea!", Dr Thomas Confrey, IT Carlow

12.30 - 12.45

"Gravel, Geometry, Geogebra", Dr Michael Brennan, CIT

12.45 - 13.00

"Symbolic Mathematics Teaching in Higher Education", Sammi Shamma

Lunch with Discussion
13.00 - 14.00



Afternoon
14.00 - 16.00

E-Assessment using Numbas Parallel Workshops

"Introduction to Numbas", Dr Chris Graham, Newcastle University

"Advanced Numbas", Dr Christian Lawson-Perfect, Newcastle University


16.00

Free discussion time





Dr. Julie Crowley
Department of Mathematics
Cork Institute of Technology
021-4326745
http://mathematics.cit.ie/staff/julie-crowley


--_000_DB7PR02MB38671C59881F933559934C4A8E2D0DB7PR02MB3867eurp_
Content-Type: text/html; charset="iso-8859-1"
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Hi all, 
 
Delighted to announce the timetable for “Di=
gi-Teach: Digital Teaching Tools for Mathematics in Higher Education=
221; on
Tuesday 14^th May 2019 in Cork Institute of Technology.
It is part of the National Forum for the Enhancement=
 of Teaching and Learning Seminar Series.
You can register for this event at 
https://www.eventbrite.ie/e/digi-teach-digital-teaching-tools-for-mathemati=
cs-in-higher-education-tickets-52861695755?aff=3Debdssbdestsearch

Places are limited. 
 
All the best,
Julie
 





Welcome




Digi-Teach: Digital Teaching Tools for Mathematics=
 in Higher Education




Seminar Schedule

Morning





9.30 – 10.00


Registration





10.00 – 10.10


Welcome and Opening Address




10.10 – 11.00


“Time and learning: Using online videos to com=
plement and/or replace the live Mathematics Lecture”, Prof Maria Meeh=
an, UCD





11.00 – 11.30


Break





11.30 – 12.00



“Virtual Reality Technology for Learning”=
;, Dr
Gear=F3id =D3 S=FAillea=
bh=E1in, CIT=






Lightening Talks





12.00 – 12.15


“Customizing Feedback for Students in Numbas&#=
8221;, Dr Clodagh Carroll, CIT




12.15 – 12.30


“Three Act Maths: Time for Tea!”, Dr Tho=
mas Confrey, IT Carlow




12.30 – 12.45


“Gravel, Geometry, Geogebra”, Dr Michael=
 Brennan, CIT




12.45 – 13.00


“Symbolic Mathematics Teaching in Higher Educa=
tion”, Sammi Shamma





Lunch with Discussion





13.00 – 14.00


 





Afternoon





14.00 – 16.00


E-Assessment using Numbas Parallel Workshops




“Introduction to Numbas”, Dr Chri=
s Graham, Newcastle University


“Advanced Numbas", Dr Christian Lawson-Perfect, Newcastle=
 University


 




16.00


Free discussion time















 
 
Dr. Julie=
 Crowley
Departmen=
t of Mathematics
Cork Inst=
itute of Technology
021-43267=
45
http://mathematics.cit.i=
e/staff/julie-crowley

 




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Date:         Tue, 9 Apr 2019 16:58:46 +0100
Reply-To:     Marina Krstic Marinkovic 
Sender:       UCD Maths Department Distribution List 
From:         Marina Krstic Marinkovic 
Subject: maths: Dublin Theoretical Physics Colloquium, 10th of April
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--00000000000068ece505861b09ab
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*Dublin Theoretical Physics Colloquium*
*Time:* Wednesday, 10th of April, at 4:00pm

*Venue:* Synge Theatre, House 20, Westland Row, Trinity College Dublin.

*Speaker:* Francesca Day (University of Cambridge)

*Title:*  The astrophysical search for string axions

*Abstract:*

Axion-like particles (ALPs) arise generically in string compactifications,
and may also act as dark matter and provide a solution to the strong CP
problem. Weak interactions between ALPs and the Standard Model may become
visible on astrophysical scales. I will discuss current and future searches
for ALPs by spectral analysis of point sources passing through strong
magnetic fields, and through the cosmological effects of ALPs produced at
early times.


All welcome!


title:: Dublin Theoretical Physics Colloquium
> content:: Francesca Day will speak on
>
:: The astrophysical search for string axions
>
date-time::  Wednesday the 10th of April at 16:00pm
>
location:: Synge Theatre, School of Mathematics, Trinity College Dublin
> endevent::
>


-- 
Marina Krstic Marinkovic                                  Tel(mobile)
+353 83882 1110
Hitachi Assistant Prof.                                      Tel(office)
  +353 1 896 4598
Trinity College, Dublin 2, Ireland                      Fax +353-1-896 2282
Lloyd Building, Room 244                                e-mail
mmarina maths.tcd.ie

--00000000000068ece505861b09ab
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dublin Theoretical Physics Colloquium

Tim=
e: Wednesday, 10th of April, at 4:00pm

Venue:=C2=A0Synge =
Theatre, House 20, Westland Row, Trinity College Dublin.
Speaker=
: Francesca Day (University of Cambridge)

Title:=C2=A0 Th=
e astrophysical search for string axions

Abstract:=C2=A0
<=
br>Axion-like particles (ALPs) arise generically in string compactification=
s, and may also act as dark matter and provide a solution to the strong CP =
problem. Weak interactions between ALPs and the Standard Model may become v=
isible on astrophysical scales. I will discuss current and future searches =
for ALPs by spectral analysis of point sources passing through strong magne=
tic fields, and through the cosmological effects of ALPs produced at early =
times.


All welcome!


title:: Dublin=C2=A0Theoretical=C2=A0Physics=C2=A0=
Colloquium
content:: Francesca D=
ay will speak on =C2=A0
::=C2=A0=
The astrophysical search for string axions
date-time::=
=C2=A0=C2=A0Wednesday the 10th of April at 16:00pm
location:: Synge Theatre, School of Mathematics, Trinity=
 College Dublin
endevent::


-- 
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=A0Tel(mobile) =C2=A0 +353 83882 1110
Hitachi Assistant Prof.=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 Tel(office) =C2=A0 =C2=
=A0 +353 1 896 4598
Trinity College, Dublin 2, Ireland =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Fax +353-1-896 2=
282
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=A0e-mail=
 mmarina maths.tc=
d.ie


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Date:         Tue, 9 Apr 2019 23:57:04 +0000
Reply-To:     Ivan Todorov 
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From:         Ivan Todorov 
Subject: maths: ICMS Workshop
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A worksop on "Analytical and combinatorial methods in quantum information t=
heory" will take place at the International Centre for Mathematical Science=
s (ICMS) Edinburgh, 9-13 September 2019.

For more details and information about participation, please visit

https://sites.google.com/view/acqit-venue/home

Ivan Todorov



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A worksop on "Analytical and combinatorial methods in quantum i=
nformation theory" will take place at the International Centre for Mat=
hematical Sciences (ICMS) Edinburgh, 9-13 September
 2019. 




For more details and information about participation, please visit&nbs=
p;



https://sites.google.com/view/acqit-venue/home



Ivan Todorov











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From:         Marina Krstic Marinkovic 
Subject: maths: TODAY Dublin Theoretical Physics Colloquium
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*Dublin Theoretical Physics Colloquium*
*Time:* Wednesday, 10th of April, at 4:00pm

*Venue:* Synge Theatre, House 20, Westland Row, Trinity College Dublin.

*Speaker:* Francesca Day (University of Cambridge)

*Title:*  The astrophysical search for string axions

*Abstract:*

Axion-like particles (ALPs) arise generically in string compactifications,
and may also act as dark matter and provide a solution to the strong CP
problem. Weak interactions between ALPs and the Standard Model may become
visible on astrophysical scales. I will discuss current and future searches
for ALPs by spectral analysis of point sources passing through strong
magnetic fields, and through the cosmological effects of ALPs produced at
early times.


All welcome!


title:: Dublin Theoretical Physics Colloquium
> content:: Francesca Day will speak on
>
:: The astrophysical search for string axions
>
date-time::  Wednesday the 10th of April at 16:00pm
>
location:: Synge Theatre, School of Mathematics, Trinity College Dublin
> endevent::
>


-- 
Marina Krstic Marinkovic                                  Tel(mobile)
+353 83882 1110
Hitachi Assistant Prof.                                      Tel(office)
  +353 1 896 4598
Trinity College, Dublin 2, Ireland                      Fax +353-1-896 2282
Lloyd Building, Room 244                                e-mail
mmarina maths.tcd.ie

--00000000000017dd6405862bd2e7
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


Dublin Theoretical Physics Colloquium<=
br>
Time: Wednesday, 10th of April, at 4:00pm

Venue=
:=C2=A0Synge Theatre, House 20, Westland Row, Trinity College Dublin.
Speaker: Francesca Day (University of Cambridge)

Ti=
tle:=C2=A0 The astrophysical search for string axions

Abstrac=
t:=C2=A0

Axion-like particles (ALPs) arise generically in string=
 compactifications, and may also act as dark matter and provide a solution =
to the strong CP problem. Weak interactions between ALPs and the Standard M=
odel may become visible on astrophysical scales. I will discuss current and=
 future searches for ALPs by spectral analysis of point sources passing thr=
ough strong magnetic fields, and through the cosmological effects of ALPs p=
roduced at early times.


All welcome!<=
br>

ti=
tle:: Dublin=C2=A0The=
oretical=C2=A0Physics=
=C2=A0Colloquium
content:: Frances=
ca Day will speak on =C2=A0=
=
<=
div class=3D"gmail_quote">::=C2=A0The astrophysical search for string axions
=
date-time::=C2=A0=C2=A0Wednesday the 10th of April at 16:00p=
m=
<=
div class=3D"gmail_quote">loc=
ation:: Synge Theatre, School of Mathematics, Trinity College Dublin=

endevent::=

-- 
Marina Krstic Mar=
inkovic =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 +353=
 83882 1110
Hitachi Assistant Prof.=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 Tel(office) =C2=A0 =C2=A0 +353 1 896 4598
Trini=
ty College, Dublin 2, Ireland =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Fax +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=A0e-mail mmarina maths.tcd.ie


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Reply-To:     Christopher Boyd 
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From:         Christopher Boyd 
Subject: maths: Analysis Seminar in UCD on the 16th of April
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Tuesday 16th April, 2019  at 4.00pm  (place: UCD  Science North 125 )

Speaker: Michael Mackey

Title:  About Spin Factors
Abstract: Spin factors, also known as spaces of Spinors, or as Type IV
Cartan factors, form a somewhat obscure class of Banach spaces. We will
briefly review their algebraic structure paying particular attention to
their holomorphic automorphisms with a view to identifying the existence of
fixed points.


title:: ANALYSIS SEMINAR
content:: M. Mackey will speak on
::  About Spin Factors
date-time:: Tuesday 16th  April, 2019  at 4.00pm
location:: UCD  Science North 125
endevent::

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Tuesday 16th April, 2019=C2=A0 at 4.00pm=C2=A0 (place=
: UCD=C2=A0 Science North 125 )

Speaker: Michael M=
ackey


Title:=C2=A0 About Spin Factors
Abstrac=
t: Spin factors, also known as spaces of Spinors, or as Type IV Cartan=20
factors, form a somewhat obscure class of Banach spaces.  We will=20
briefly review their algebraic structure paying particular attention to=20
their holomorphic automorphisms with a view to identifying the existence
 of fixed points. 


title:: ANALYSIS SEMINAR

content:: M. Mackey will speak on
::=C2=A0 About Spin Factors

date-time:: Tuesday 16th=C2=A0 April, 2019=C2=A0 at 4.00pm 

location:: UCD=C2=A0 Science North 125 

endevent:: 


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Reply-To:     Seminars Maths NUIG 
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From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway today: Molecular computing with DNA self-assembly: Theory and implementation
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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.



Damien Woods
from Maynooth University

 will speak on



=E2=80=9CMolecular computing with DNA self-assembly: Theory and implementat=
ion=E2=80=9D

Abstract: The theory of computation is substrate independent, meaning that
computers are not necessarily required to use silicon chips and
electricity. Molecules bumping around in a test tube are particularly
well-suited to implementing computations. Algorithmic self-assembly is one
form of molecular computation where molecules interact to assemble or grow
structures while executing a computation. On the one hand, theoretical work
is concerned with characterising the computational expressiveness of
self-assembly models: what problems can they solve? On the other, practice
is concerned with using molecules, such as DNA, to implement algorithmic
self-assembly programs in the wet-lab. The presentation will cover both
topics. There will be a light-hearted introduction to self-assembly models
and what it means to compute during a self-assembly process, along with
some basic mathematical results. Attendees will then be given an overview
of how one goes about designing and experimentally implementing algorithmic
self-assembling DNA tiles in the wet lab, and will see some of our latest
results on that topic from joint work with collaborators David Doty,
Cameron Myhrvold, Joy Hui, Felix Zhou, Peng Yin and Erik Winfree.



Contact: Cathal Seoighe



Hoping to see you all there,



Haixuan and Michael



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

--00000000000003a1e305863de21d
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Dear All,
we will have a seminar today at 4pm in AD=
B1020.
 Coffee/tea/cakes/biscuits will be served in ADB-G022 from 3:30.
=C2=A0=
Damien Woods
 fr=
om Maynooth University
=C2=A0will speak on 
=C2=A0
=E2=80=9CMolecular computing with DNA=
 self-assembly: Theory and implementation=E2=80=9D
Abstract: The theory of computati=
on is substrate independent, meaning that computers are not necessarily req=
uired to use silicon chips and electricity. Molecules bumping around in a t=
est tube are particularly well-suited to implementing computations. Algorit=
hmic self-assembly is one form of molecular computation where molecules int=
eract to assemble or grow structures while executing a computation. On the =
one hand, theoretical work is concerned with characterising the computation=
al expressiveness of self-assembly models: what problems can they solve? On=
 the other, practice is concerned with using molecules, such as DNA, to imp=
lement algorithmic self-assembly programs in the wet-lab. The presentation =
will cover both topics. There will be a light-hearted introduction to self-=
assembly models and what it means to compute during a self-assembly process=
, along with some basic mathematical results. Attendees will then be given =
an overview of how one goes about designing and experimentally implementing=
 algorithmic self-assembling DNA tiles in the wet lab, and will see some of=
 our latest results on that topic from joint work with collaborators David =
Doty, Cameron Myhrvold, Joy Hui, Felix Zhou, Peng Yin and Erik Winfree.
<=
p style=3D"margin:0cm 0cm 0pt">=C2=A0
Contact: Catha=
l Seoighe
=C2=A0
Hoping to see you all there,
=C2=A0
Haixuan and Michael
=
=C2=A0
Future seminars are listed at=C2=A0http://www.nuig=
alway.ie/science/school-of-maths/seminars/ 


--00000000000003a1e305863de21d--

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Date:         Thu, 11 Apr 2019 11:28:34 +0100
Reply-To:     George Rogers 
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From:         George Rogers 
Subject: Maths: REMINDER : DIAS, STP Seminar: TODAY, 2:30pm
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DIAS THEORETICAL PHYSICS SEMINAR

Time: Thursday 11 April 2019, 2.30 pm

Speaker: Max McGinley (University of Cambridge)

Title: Topology of quantum systems out of equilibrium.

Abstract: Topological phases of matter have attracted a huge amount of 
interest in recent years, thanks largely to the discovery of topological 
insulators in two and three spatial dimensions, amongst other 
experimental successes. These phases fall outside of Landau's 
symmetry-breaking paradigm, and can be understood through some notion of 
a `twist' in the ground state wavefunction, partnered with 
characteristic gapless edge states at their physical boundaries. Through 
understanding the mathematical structures which encode the ground state 
wavefunction's
topological properties, it has been possible to exhaustively classify
different topological phases in a manner which is sensitive to spatial
dimension, symmetries, and the presence/absence of interactions.

In this talk, rather than discussing the topological properties of
ground states of Hamiltonians, I will consider nonequilibrium states
resulting from unitary time evolution. I will demonstrate how the
topology of wavefunctions can differ in and out of equilibrium, and
provide some simple concrete examples which demonstrate their key
phenomenology. Just as in equilibrium, it is possible to construct an
exhaustive non-equilibrium classification of topological systems, and I
will present this classification for non-interacting fermions with
non-spatial symmetries, encompassing the majority of the so-far
experimentally realized systems. I will conclude by discussing the
direct experimental consequences of our results, including important
ramifications for the use of topological zero-energy bound states in
quantum information technologies.

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:: Max McGinley
date-time:: 11 April 2019, 2:30 pm
location:: School of Theoretical Physics, DIAS. 10 Burlington Road, D.4.
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Thu Apr 11 17:03:37 2019
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Reply-To:     "Pfeiffer, Gotz" 
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From:         "Pfeiffer, Gotz" 
Subject: maths: First Announcement - IMS September Meeting 2019 in NUIG
Comments: cc: "Carnevale, Angela" ,
          "Destrade, Michel" ,
          "Quinlan, Rachel" 
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This year's IMS September meeting will be held in

   NUI Galway,
   from Thursday September 5 to Friday September 6, 2019.

Please make a note in your diaries.

The 2-day programme will consist of a number of invited talks
by speakers from Ireland and abroad.  The aim of the meeting is
to reflect the diversity of the mathematical community in Ireland¸
and the scientific interests of the members of the IMS.

All are welcome to attend.  Further details will be announced soon.

Angela Carnevale
Michel Destrade
Götz Pfeiffer
Rachel Quinlan

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Subject: maths: Theoretical Physics Seminar, TCD -TODAY
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--000000000000891002058651e4b0
Content-Type: text/plain; charset="UTF-8"

>
>
>
> TCD THEORETICAL PHYSICS SEMINAR
> Friday, 12 April 2019, 2:00 pm  [NOTE UNUSUAL DAY: THIS SEMINAR IS ON
> FRIDAY]
>
> Seminar Room, House 20
> School of Mathematics
> Trinity College Dublin
>
> Speaker: Petar Tadic (TCD)
> Title: On the convergence of the gradient expansion in hydrodynamics
>
> Abstract: Hydrodynamic excitations corresponding to sound and shear modes
> in fluids are characterised by gapless dispersion relations. In the
> hydrodynamic gradient expansion, their frequencies are represented by power
> series in spatial momenta. We investigate the analytic structure and
> convergence properties of the hydrodynamic series by studying the
> associated spectral curve in the space of complexified  frequency and
> complexified spatial momentum. For the strongly coupled ${\cal N}=4$
> supersymmetric Yang-Mills plasma, we  use the holographic duality methods
> to demonstrate that the derivative expansions have finite non-zero radii of
> convergence. Obstruction to the convergence of hydrodynamic series arises
> from level crossings in the quasinormal spectrum at complex momenta.
>
> All are welcome.
> =====================
>
>
>

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=





TCD THEORETICAL PHYSICS SEMINAR

Friday, 12 April 2019, 2:00 pm =C2=A0[NOTE UNUSUAL DAY: THIS SEMINAR IS ON =
FRIDAY]



Seminar Room, House 20

School of Mathematics

Trinity College Dublin



Speaker: Petar Tadic (TCD)

Title:=C2=A0On the convergence of the gradient expansion in h=
ydrodynamics



Abstract:=C2=A0Hydrodynamic excitations corresponding to soun=
d and shear modes in fluids are characterised by gapless dispersion relatio=
ns. In the hydrodynamic gradient expansion, their frequencies are represent=
ed by power series in spatial momenta. We investigate the analytic structur=
e and convergence properties of the hydrodynamic series by studying the ass=
ociated spectral curve in the space of complexified =C2=A0frequency and com=
plexified spatial momentum. For the strongly coupled ${\cal N}=3D4$ supersy=
mmetric Yang-Mills plasma, we =C2=A0use the holographic duality methods to =
demonstrate that the derivative expansions have finite non-zero radii of co=
nvergence. Obstruction to the convergence of hydrodynamic series arises fro=
m level crossings in the quasinormal spectrum at complex momenta.


All are welcome.

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







--000000000000891002058651e4b0--

From owner-mathdep LISTSERV.HEANET.IE  Fri Apr 12 10:33:10 2019
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Date:         Fri, 12 Apr 2019 10:32:53 +0100
Reply-To:     Ruth Britto 
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From:         Ruth Britto 
Subject: maths: Amplitudes 2019 conference, 1-5 July
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Dear colleagues,

We are pleased to invite you to register for the conference =
=E2=80=9CAmplitudes 2019,=E2=80=9D to be held on 1-5 July 2019, at =
Trinity College Dublin.=20

Topics to be discussed include computational techniques for scattering =
amplitudes in quantum field theories, phenomenological studies with =
applications to LHC physics and gravitational observables, advances in =
specific theories including integrable structures and gauge-gravity =
relations, mathematical aspects of Feynman diagrams, and =
geometrical/combinatorial formulations of amplitudes.=20

A public lecture by Lance Dixon, =E2=80=9CJourney to the Heart of =
Matter,=E2=80=9D will be held on the evening of 4 July.=20

For further information and to register, please visit the conference =
website:
https://www.maths.tcd.ie/Amplitudes2019 =


The deadline for registration is 15 May.=20

Please circulate this announcement to anyone who may be interested. We =
hope to see you in Dublin this summer.

Organisational committee:
Ruth Britto (TCD)
Vittorio Del Duca (ETH/INFN)
Tristan McLoughlin (TCD)
Donal O=E2=80=99Connell (Edinburgh)
Jaroslav Trnka (UC Davis)
Dmytro Volin (Uppsala)


--Apple-Mail=_ECDF4152-B6D5-425B-B146-EFDAADBF6EEA
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Dear colleagues,

We are pleased to invite you to register =
for the conference =E2=80=9CAmplitudes 2019,=E2=80=9D to be held on 1-5 =
July 2019, at Trinity College Dublin. 

Topics to be discussed include computational techniques for =
scattering amplitudes in quantum field theories, phenomenological =
studies with applications to LHC physics and gravitational observables, =
advances in specific theories including integrable structures and =
gauge-gravity relations, mathematical aspects of Feynman diagrams, and =
geometrical/combinatorial formulations of =
amplitudes. 

A public lecture by Lance Dixon, =E2=80=9CJourney to the Heart of =
Matter,=E2=80=9D will be held on the evening of 4 =
July. 

For further information and to register, =
please visit the conference website:
https://www.maths.tcd.ie/Amplitudes2019

The deadline for =
registration is 15 May. 

Please circulate this announcement to =
anyone who may be interested. We hope to see you in Dublin this =
summer.

Organisational committee:
Ruth Britto (TCD)
Vittorio =
Del Duca (ETH/INFN)
Tristan McLoughlin =
(TCD)
Donal O=E2=80=99Connell =
(Edinburgh)
Jaroslav Trnka (UC =
Davis)
Dmytro Volin =
(Uppsala)

=

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From owner-mathdep LISTSERV.HEANET.IE  Fri Apr 12 11:27:24 2019
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Date:         Fri, 12 Apr 2019 11:27:16 +0100
Reply-To:     George Rogers 
Sender:       UCD Maths Department Distribution List 
From:         George Rogers 
Subject: Maths: DIAS, STP - Schr=?UTF-8?Q?=C3=B6dinger_?=Fellowship in Theoretical Physics
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Schrödinger Fellowship in Theoretical Physics

A Post-Doctoral Research Fellowship is available in the School of 
Theoretical Physics at the Dublin Institute for Advanced Studies. This 
is a dedicated research position for up to five years.

Candidates must have a proven record as independent researchers in one 
of the following fields of study: Quantum Field Theory, String Theory, 
Statistical Mechanics, Condensed Matter Theory, Quantum Information and 
Quantum Computing.  Enquiries should be directed to the School Director, 
Professor Werner Nahm at schooladministrator stp.dias.ie.

Appointments will be on the basis of a fixed-term contract up to five 
years. The Fellowship salary scale  is:  €52,950 - €58,852 per annum 
(Personal Pension Contribution  scale); €50,303 - €55,910 per annum 
(Non-Personal Pension Contribution scale).  The appointee will be 
subject to the general Irish public sector regulations as regards annual 
leave, sick leave, pension entitlements etc.

Applicants should be submitted through the DIAS online e-recruitment 
system: https://www.dias.ie/positions/. Candidates should upload a 
letter of application together with a CV, a list of publications and a 
research proposal. The names and contact details for three academic 
referees should also be provided. The closing date for applications is 
17 May 2019.

DIAS is committed to gender balance and diversity

Aply here: https://www.dias.ie/vacancies/

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Subject: Maths: DIAS, STP - Summer Studentships 2019
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DIAS Summer Studentships - School of Theoretical Physics - 2019

As part of the DIAS Summer Studentships programme the School of 
Theoretical, of the Dublin Institute for Advanced Studies is delighted 
to be in a position to offer 3 Summer Studentships.

The stipend is for a total scholarship of 3,000 euros and covers
a two month internship starting on or before June 4th.

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.

As DIAS is committed to gender diversity in physics, both female and 
male candidates are encouraged to apply.

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 19th.
Successful candidates will be notified by email later in April.

Apply here : https://www.dias.ie/positions/

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Subject: maths: UCD Algebra and Number Theory Seminar (April 18)
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UCD Algebra and Number Theory Seminar


*Speaker:* Laurent Vuillon (Savoie)
*Title:* Palindromic and anti-palindromic closures in symbolic dynamics

*Abstract:* The palindromic and anti-palindromic closures are used in
combinatorics on words in order to generate Sturmian, Thue-Morse or Rote
words. Usually, these words are generated either by substitutions or by
discrete dynamical systems given by rotations on the torus with a well
chosen partition. Thus in the first part of the talk, we will see how to
use directive words in order to generate these specific words and an
interesting class of words. We will focus also on Justin's formula in order
to compute the palindromic closure and we extend this tool to the
anti-palindromic case. In a second part, we will investigate geometric
palindromic closure to construct finite steps of the famous Rauzy fractal
linked to a generalization of the Fibonacci sequence (namely the Tribonacci
case). The construction leads to construct Rauzy fractals in all dimensions
using geometrical transformations.

*Date:* Thursday, April 18, 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:: Laurent Vuillon (Savoie) will speak on
:: Palindromic and anti-palindromic closures in symbolic dynamics
date-time:: Thursday, April 18, 2019 at 2:00pm
location:: Room 1.25, O=E2=80=99Brien Centre for Science (North)
endevent::

--0000000000004f7cb00586540201
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UCD Algebra and Number Theory Semina=
r

Speaker:=C2=A0L=
aurent Vuillon (Savoie)=C2=A0
Title:=C2=A0Pali=
ndromic and anti-palindromic closures in symbolic dynamics

Abstract:=C2=A0The palindromic and anti-palindromic closur=
es are used in combinatorics on words in order to generate Sturmian, Thue-M=
orse or Rote words. Usually, these words are generated either by substituti=
ons or by discrete dynamical systems given by rotations on the torus with a=
 well chosen partition. Thus in the first part of the talk, we will see how=
 to use directive words in order to generate these specific words and an in=
teresting class of words. We will focus also on Justin's formula in ord=
er to compute the palindromic closure and we extend this tool to the anti-p=
alindromic case. In a second part, we will investigate geometric palindromi=
c closure to construct finite steps of the famous Rauzy fractal linked to a=
 generalization of the Fibonacci sequence (namely the Tribonacci case). The=
 construction leads to construct Rauzy fractals in all dimensions using geo=
metrical transformations.

=
Date:=C2=A0Thursday, April 18, 2019
Time:=C2=
=A02:00pm
Location:=C2=A0Room 1.25, O=E2=80=99Brien Centre for Science =
(North) (map)

title:: UCD Algebra and Number=
 Theory Seminar
content:: Laurent Vuillon (Savoie)=C2=A0will speak on::=C2=A0Palindromic and anti-palindromic closures in symbolic dynamics
=
date-time:: Thursday, April 18, 2019 at 2:00pm
location::=C2=A0Room 1.25, O=E2=
=80=99Brien Centre for Science (North)
endevent::<=
/div>

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Date:         Fri, 12 Apr 2019 14:02:28 +0000
Reply-To:     "Zurlo, Giuseppe" 
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From:         "Zurlo, Giuseppe" 
Subject: maths:_Stokes_Modelling_Workshop_NUI_Galway_May_27-30_2019
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Fifth Annual
Stokes Modelling Workshop
For Undergraduate Students

NUI Galway
May 27th - 30th, 2019





The School of Mathematics, Statistics and Applied Mathematics at NUI Galway=
 is hosting a four-day undergraduate Modelling Workshop, May 27th - 30th. <=
http://www.maths.nuigalway.ie/ModellingWorkshop19/>


Registration is free, and some financial support may be available to cover =
accommodation and living expenses. This workshop is aimed at students with =
a scientific or engineering background, who will take part in team-based mo=
delling of real-world problems, supported with training and small group stu=
dy sessions provided by lecturers and postgraduate students.



For more details, see http://www.maths.nuigalway.ie/ModellingWorkshop19/



The workshop is primarily aimed at students in their penultimate year of st=
udy, but applications are welcome from all interested undergraduates. The d=
eadline for applications is May 17th.



The workshop is organised by the Stokes Cluster for Applied Mathematics and=
 the NUI Galway SIAM Student Chapter.

--_000_DB6PR0102MB28398C8BE0F0FED4818DAF32F7280DB6PR0102MB2839_
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Fifth Annual

Stokes Modelling Workshop

For Undergraduate Students
NUI Galway

May 27th - 30th, 2019
 <=
/span>

 



The Schoo=
l of Mathematics, Statistics and Applied Mathematics at NUI Galway is hosti=
ng a four-day undergraduate =
Modelling
 Workshop, May 27th - 30th.&nb=
sp;






Registrat=
ion is free, and some financial
 support may be available to cover accommodation and living expenses. This =
workshop is aimed at students with a scientific or engineering background, =
who will take part in team-based modelling of real-world problems, supporte=
d with training and small group
 study sessions provided by lecturers and postgraduate students.


 



For more =
details, see http://www.maths.nuigalway.ie/ModellingWorkshop19/&=
nbsp;

 <=
/span>



The works=
hop is primarily aimed at students in their penultimate year of study, but =
applications are welcome from all interested undergraduates. The de=
adline for applications is May 17th.




 <=
/span>

The works=
hop is organised by the Stokes Cluster for Applied Mathematics and the =
;NUI
 Galway SIAM Student Chapter.












--_000_DB6PR0102MB28398C8BE0F0FED4818DAF32F7280DB6PR0102MB2839_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 15 10:42:27 2019
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From:         =?UTF-8?Q?Eabhnat_N=C3=AD_Fhloinn_DCU?= 
Subject: maths: CETL-MSOR 2019: Call for abstracts extended
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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 has been extended until Wednesday, 1st May. *


*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=
 * 1st
May 2019*.



Full registration details are now available on the conference website.



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


--=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
by the addressee. Read more here.=20
*



*

--=20

  =20
=20
=20


--000000000000ce2b1c05868e77ac
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=
Dear colleagues,

Apologies for any cross-posting.

CETL-MSOR=C2=A02019:=C2=A0 Bringing together mathematics communities=
5th & 6th September=C2=A02019=C2=A0at Dublin City Univers=
ity, Dublin, Ireland
<=
a href=3D"http://www.sigma-network.ac.uk/cetl-msor-conference-2019/" target=
=3D"_blank">http://www.sigma-network.ac.uk/cetl-msor-=
conference-2019/=C2=A0

We are =
pleased to announce our keynote speakers:
Dr. Joe Ky=
le, University of Birmingham
Prof. Dun=
can Lawson, Coventry University
Prof. =
Alice Rogers OBE, King=E2=80=99s College London
=C2=A0
The=
 call for abstracts has been extended until Wednesday, 1st May.=C2=A0

=
The Conference Committee warmly welcomes submissions relating to the learni=
ng and teaching of mathematics and statistics within any discipline in high=
er education. For=C2=A0CETL-MSOR=C2=A02019, we=C2=A0a=
re particularly keen to receive submissions that can demonstrate enhancemen=
ts which are based on reflective and evidence-informed practice in relation=
 to the following themes:=C2=A0=C2=A0
<=
ul type=3D"disc" style=3D"color:rgb(80,0,80);font-family:Calibri,sans-serif=
;font-size:14px;margin-top:0cm">Developing communities of le=
arners in mathematics and statistics support within, and across, the discip=
lines.=C2=A0=C2=A0
Teaching specia=
list mathematicians.
Inclusive design for mathematics learning.
Supporting students on the tra=
nsition into and out of higher education.We invite you to subm=
it=C2=A0abstracts=C2=A0for=C2=A0oral=C2=A0presentations (20 minute session), workshops (60 minute se=
ssion) and lightning talks (3 minute presentation). We are also interested =
in receiving student-led submissions.
=
=C2=A0<=
p class=3D"MsoNormal">Please complete the=C2=A0abstract submission form, save as a PDF and upload t=
o=C2=A0EasyChair=C2=A0by the deadline of =C2=A01st May =
20=
19.
=C2=A0
Full registration details are now available on the confer=
ence=C2=A0website.

We will invite sp=
eakers to submit a full paper based on your presentation, which will be con=
sidered=C2=A0for publication in a special conference issue of=C2=A0<=
span class=3D"gmail-m_1278336711450305476gmail-m_1723454776054430869gmail-m=
_-3911582707921068404gmail-m_7271999919436071436gmail-m_-552677703273942870=
0gmail-m_3493353195574305312gmail-m_3185719766862144329gmail-m_145772773076=
1073493gmail-m_7124500297030257373x_gmail-m6074642534092476130gmail-il" sty=
le=3D"font-family:Calibri,sans-serif;font-size:14.6667px">MSOR=C2=
=A0Connections, after the conference.
=C2=A0
Best wishes,

Eab=
hnat N=C3=AD Fhloinn, Dublin City University=C2=A0=
Shazia Ahmed, University=C2=A0of Glasgow
Michael G=
rove, University of Birmingham
Ciar=C3=A1n Mac an Bhaird, Maynooth University
R=
ob Wilson, University of Cardiff

=
-- 
Dr. Eabhnat N=C3=AD =
FhloinnDirector of Maths Learning 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.







--000000000000ce2b1c05868e77ac--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 15 15:51:58 2019
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Date:         Mon, 15 Apr 2019 14:51:48 +0000
Reply-To:     "Peg.Hanrahan" 
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From:         "Peg.Hanrahan" 
Subject: MATHS:  MACSI Seminar: Ice streams and their frozen fringes Wednesday 17th April at 16.00, Room A2002, University of Limerick
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Please note Seminar is on Wednesday 17th April at 4p.m.  Room A2-002.

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


Date: Wednesday,  17th April  2019, Room A2-002   16.00


Speaker:  Dr  Colin Meyer, University of Oregon

Title: Ice streams and their frozen fringes

Abstract: Fast glacier flow is facilitated by slip along the basal interfac=
e where ice meets the underlying sediments. High pore pressures within the =
sediments offset a large fraction of glacier overburden (weight), leading t=
o low effective stresses at this interface. The shear strength of subglacia=
l sediments is proportional to this effective stress so high pore pressures=
 lead to sediment failure, which manifests as glacier slip. As the effectiv=
e stress increases (pore pressure decreases) above a threshold set by the s=
urface energy and sediment particle size, a film of premelted water separat=
ing ice and sediment particles thins and allows the ice to infiltrate into =
the sediments. The basal zone of sediments infiltrated by interstitial ice,=
 known as the frozen fringe, modulates the effective stress and therefore t=
he strength of the sediments. Here we describe a model for frozen fringe fo=
rmation and use this model to elucidate glacier sliding and Heinrich events=
, as examples of the processes controlling how sediment freezes on to the b=
ase of ice streams.


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_C9BCA8F5312C2B4EA668DF1DB9523C0F014397BFFFexMbx3ulcampu_
Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable









 
 
Please note Seminar is=
 on Wednesday 17^th April at 4p.m.  Room A2-002.=

 
MACSI at the dep=
artment of Mathematics and Statistics at the University of Limerick invites=
 you to a seminar
 
 
Date: Wednesday,  17^th
 April  2019, Room A2-002   16.00
 
Speaker:=
  Dr 
Colin Meyer, University of Oregon
 
Title: Ice streams and their frozen fringes=

 
Abstract: Fast glacier flow is facilitated by sl=
ip along the basal interface where ice meets the underlying sediments. High=
 pore pressures within the sediments offset a
 large fraction of glacier overburden (weight), leading to low effective st=
resses at this interface. The shear strength of subglacial sediments is pro=
portional to this effective stress so high pore pressures lead to sediment =
failure, which manifests as glacier
 slip. As the effective stress increases (pore pressure decreases) above a =
threshold set by the surface energy and sediment particle size, a film of p=
remelted water separating ice and sediment particles thins and allows the i=
ce to infiltrate into the sediments.
 The basal zone of sediments infiltrated by interstitial ice, known as the =
frozen fringe, modulates the effective stress and therefore the strength of=
 the sediments. Here we describe a model for frozen fringe formation and us=
e this model to elucidate glacier
 sliding and Heinrich events, as examples of the processes controlling how =
sediment freezes on to the base of ice streams.
 
 
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 Cliffor=
d Nolan (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 L=
imerick, is dedicated to the mathematical modelling and solution of problem=
s which arise in science, engineering
 and industry in Ireland.
 
 
 
 
 
 
 
 




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From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 15 15:59:09 2019
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Date:         Mon, 15 Apr 2019 15:58:52 +0100
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*Speaker*: Claus Koestler (Cork)

*Title*: Markovianity as a distributional symmetry

*Abstract*: Markovianity is a stochastic phenomenon which does not care
about the past - the presence  'dictates' the future. Unexpectedly this
phenomenon is closely linked to representations of the Thompson group F. My
talk will introduce to this new connection between randomness and symmetry.
Using toy examples, I will explain the  general result that every
stationary Markov chain induces a  representation of the Thompson group F.
Furthermore I will briefly address that, conversely, a large class of
representations of F yields stationary Markov chains. Finally I will
introduce 'partial  spreadability' as a new distributional symmetry, aiming
at a de Finetti  type characterization of Markovianity. The presented
results are based on ongoing research with Rajarama Bhat, Gwion Evans, Rolf
 Gohm, Arundhathi Krishnan, Vijaya Kumar, and Stephen Wills. My talk
 should be accessible to a general mathematical audience.
*Location*: Wednesday, April 17, 2019 at 3pm in XG22, DCU


title:: DCU Maths Colloquium
content::  Claus Koestler (UCC) will speak on
::        Markovianity as a distributional symmetry
date-time:: Wednesday 17th April, 2019 at 3pm
location:: XG22, DCU
endevent:

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Speaker: Claus Koestler (Cork)

Title:=C2=A0Markoviani=
ty as a distributional symmetry

Abstract:=C2=A0Markovianity is a stochas=
tic phenomenon which does not care about the past - the presence =C2=A0'=
;dictates' the future. Unexpectedly this phenomenon is closely linked t=
o representations of the Thompson group F. My talk will introduce to this n=
ew connection between randomness and symmetry. Using toy examples, I will e=
xplain the =C2=A0general result that every stationary Markov chain induces =
a =C2=A0representation of the Thompson group F. Furthermore I will briefly =
address that, conversely, a large class of representations of F yields stat=
ionary Markov chains. Finally I will introduce 'partial =C2=A0spreadabi=
lity' as a new distributional symmetry, aiming at a de Finetti =C2=A0ty=
pe characterization of Markovianity. The presented results are based on ong=
oing research with Rajarama Bhat, Gwion Evans, Rolf =C2=A0Gohm, Arundhathi =
Krishnan, Vijaya Kumar, and Stephen Wills. My talk =C2=A0should be accessib=
le to a general mathematical audience.
Location:=
=C2=A0Wednesday, April 17, 2019 at 3pm in XG22, DCU=C2=A0=C2=A0

title:: DCU Maths Colloquium
content::=
=C2=A0=C2=A0Claus Koestler (UCC) will speak on
::=C2=A0 =C2=A0 =
=C2=A0 =C2=A0

Markovianity as a distributional symmetry=C2=A0
date-time:: Wednesday 17=
th April, 2019 at 3pm
location:: XG22, DCU
endevent:=C2=A0<=
/div>



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From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 15 16:40:41 2019
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            <44340cd7f2999db822a4d49a73c48378 maths.tcd.ie>
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From:         mdeleeuw 
Subject: Theoretical Physics Seminar - TCD - Tomorrow
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TCD THEORETICAL PHYSICS SEMINAR
Tuesday, 16 April 2019, 2:00 pm

Seminar Room, House 20
School of Mathematics
Trinity College Dublin

Speaker: Alessandro Torrielli (University of Surrey)
Title: Massless scattering in lower dimensional AdS/CFT

Abstract: In recent years the framework of AdS/CFT integrability has 
seen a significant paradigm change due to the appearance of massless 
modes in the associated scattering problem. We shall briefly introduce 
the framework of the exact S-matrix theory and adapt it, following ideas 
of Zamolodchikov, to massless scattering, where we will make connections 
with integrable flows between conformal fixed points. We shall then 
translate this scenario to the case of AdS3/CFT2, and demonstrate the 
appearance of a 2D critical theory in the so-called 
Berenstein-Maldacena-Nastase limit of the integrable scattering problem. 
This talk is primarily based on work with R. Borsato, A. Fontanella, O. 
Ohlsson Sax, A. Sfondrini, B. Stefanski and J. Stroemwall.

All are welcome.
=====================

title:: TCD Theoretical Physics Seminar
content:: Alessandro Torrielli (University of Surrey)
::Massless scattering in lower dimensional AdS/CFT::
date-time:: 16 April 2019 at 2:00 pm
location::Seminar Room House 20, TCD
endevent::

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Date:         Wed, 17 Apr 2019 12:07:19 +0100
Reply-To:     Cormac Breen 
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From:         Cormac Breen 
Subject: Maths: Awareness of Project Maths at Third Level - Survey
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Dear Colleagues,

I would like to draw your attention to a short survey on third level
mathematics lecturers=E2=80=99 awareness and perception of the Project Math=
s
curriculum. The survey can be found at this link
,
which also contains further details on the background to and motivation for
the survey.

This survey should take approximately 10 minutes to complete and your
participation would be greatly appreciated.

Kind regards,

Cormac

--=20
Dr Cormac Breen
Lecturer
School of Mathematical Sciences
TU Dublin - City Campus

School of Mathematical Sciences | Technological University Dublin | Kevin
Street Campus | Dublin 8 | Ireland
Scoil na nEola=C3=ADochta=C3=AD Matamaitici=C3=BAla | Ollscoil Teicneola=C3=
=ADochta Bhaile =C3=81tha
Cliath | Campas Sr=C3=A1id Chaoimh=C3=ADn | Baile =C3=81tha Cliath 8 | =C3=
=89ire
T: (+353) 1 402 4676

--=20


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aird, mura t=C3=BA an seola=C3=AD ainmnithe, go bhfuil dianchosc ar aon noc=
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ch=C3=B3ipe=C3=A1il, aon d=C3=A1ileadh n=C3=B3 ar aon ghn=C3=ADomh a dh=C3=
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--0000000000001565120586b7e47a
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Dear Colleagu=
es,
I would like to draw yo=
ur attention to a short survey on third level mathematics lecturers=E2=80=
=99 awareness and perception of the Project Maths curriculum. The survey ca=
n be found at this=C2=A0link, which also contains further details on the back=
ground to and motivation for the survey.
This survey should take approx=
imately 10 minutes to complete and your participation would be greatly appr=
eciated.
Kind re=
gards,
Cormac

<=
/div>-- 
=
Dr Cormac Breen
Le=
cturer=C2=A0
School of=
 Mathematical Sciences
TU Dublin - City Campus

School of Mathemat=
ical Sciences | Technological University Dublin | Kevin Street Campus | Dub=
lin 8 | Ireland
Scoil na nEola=C3=ADochta=C3=AD Matamaitici=C3=BAla | Ol=
lscoil Teicneola=C3=ADochta Bhaile =C3=81tha Cliath | Campas Sr=C3=A1id Cha=
oimh=C3=ADn | Baile =C3=81tha Cliath 8 | =C3=89ire
T: (+353) 1 402 4676<=
/font>




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ete it from your system. Please note that if you are not the named addresse=
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From owner-mathdep LISTSERV.HEANET.IE  Wed Apr 17 16:21:58 2019
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Date:         Wed, 17 Apr 2019 16:21:31 +0100
Reply-To:     Brien Nolan 
Sender:       UCD Maths Department Distribution List 
From:         Brien Nolan 
Subject: maths: Assistant/Associate Professor in Mathematics (Analysis), DCU
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Dear colleagues,

there is a position available in Analysis in the School of Mathematical
Sciences, DCU:

Assistant/Associate Professor in Mathematics (Analysis) (permanent
contract):
https://www.dcu.ie/sites/default/files/hr/bc1205_assistant-associate_profes=
sor_mathematics_analysis.pdf


Closing date for applications is 6th May 2019.

Best regards
Brien

--=20
*******************************
Assoc Prof Brien Nolan
Head, School of Mathematical Sciences
Dublin City University
Glasnevin, Dublin 9
Ireland
e: brien.nolan dcu.ie
p: +353-1-700-5778
f: +353-1-700-5786
*******************************

This email and any files transmitted with it are confidential and are
intended solely for use by the addressee.  Any unauthorised dissemination,
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prohibited.  If you have received this email in error please notify the
sender and delete the message.  Any views or opinions presented in this
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accept liability for any such matters or their consequences. Please
consider the environment before printing this Email

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--0000000000005847230586bb71fa
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Dear colleagues,=C2=A0

there is a po=
sition available in Analysis in the School of Mathematical Sciences, DCU:
Ass=
istant/Associate Professor in Mathematics (Analysis) (permanent contract):<=
/div>https://www.dcu.ie/sites/default/files/hr/bc1205_assistan=
t-associate_professor_mathematics_analysis.pdf=C2=A0

<=
font face=3D"verdana, sans-serif">Closing date for applications is 6th May =
2019.=C2=A0

Best regards
Brien

-- 
*******************************
Asso=
c Prof Brien Nolan
Head, School of Mathematical Sciences
Dublin City =
University
Glasnevin, Dublin 9
Ireland
e: brien.nolan dcu.ie
p: +353-1-700-577=
8
f: +353-1-700-5786
*******************************

This emai=
l and any files transmitted with it are confidential and are intended solel=
y for use by the addressee.=C2=A0 Any unauthorised dissemination, distribut=
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=C2=A0 If you have received this email in error please notify the sender an=
d delete the message.=C2=A0 Any views or opinions presented in this email a=
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uaranteed to be virus free, timely, secure or error free and we do not acce=
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e environment before printing this Email 




S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=
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From owner-mathdep LISTSERV.HEANET.IE  Thu Apr 18 11:02:36 2019
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Reply-To:     Christopher Boyd 
Sender:       UCD Maths Department Distribution List 
From:         Christopher Boyd 
Subject: maths: Two Analysis Seminars in UCD on the 23rd of April
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--0000000000005953900586cb19c5
Content-Type: text/plain; charset="UTF-8"

Tuesday 23rd April, 2019  at 3.00pm  (place: UCD  Science North 125 )

Speaker: Peter Lynch

Title: Magnums: Counting Sets with Surreals
Abstract: How many odd numbers are there? How many even numbers?
    From Galileo to Cantor, the suggestion was that there are the
    same number of odd, even and natural numbers, because all three
    sets can be mapped in one-one fashion to each other.  This jars
    with our intuition.

    Our objective is to define a measure of the magnitude of subsets
    of the natural numbers that corresponds to our intuition.  The
    class of surreal numbers is the largest possible ordered field.
    Using the surreals, we define the "magnum" for elements of the
    power set of the natural numbers. The magnum of a proper subset
    of a set is strictly less than the magnum of the set itself.

    There are difficulties evaluating limits over the surreals.
    We will review some recent progress in developing surreal
    analysis.  For the real numbers, 0.999... = 1. For the surreals,
    this is not the case; 0.999... = 1 - 10^{-\omega} < 1. Many more
    similar examples can be given.



Tuesday 23rd April, 2019  at 4.20pm  (place: UCD  Science North 125 )
Speaker: Richard Smith

Title: A topological characterization of dual strict convexity in Asplund
spaces I
Abstract: In 1975 Lindenstrauss asked whether it is possible to
characterize
Banach spaces $X$ that admit an equivalent strictly convex norm, in
terms of other linear or topological properties of $X$. We provide a
partial answer to this problem in the case of dual spaces, by showing
that if $X$ is an Asplund space, then it admits an equivalent norm
having a strictly convex dual norm if and only if the dual unit sphere
$S_{X^*}$ (equivalently $X^*$), endowed with the $w^*$-topology,
possesses a certain topological property. It follows that this
ostensibly geometric property of the space can in fact be characterised
in purely non-linear, topological terms.

In the first of two talks we will cover the background to the problem,
the basic concepts involved, and give an introduction to the main
technique of the proof, which is a type of set-theoretic derivation or
'eating' process. Such processes are usually indexed by natural numbers
or ordinal numbers, but this one is indexed instead by elements of a
certain tree.


title:: ANALYSIS SEMINAR
content:: P. Lynch will speak on
::  About Magnums: Counting Sets with Surreals
date-time:: Tuesday 23th  April, 2019  at 3.00pm
location:: UCD  Science North 125
endevent::


title:: ANALYSIS SEMINAR
content:: R.Smith will speak on
::  About A topological characterization of dual strict convexity in
Asplund spaces I
date-time:: Tuesday 23th  April, 2019  at 4.20pm
location:: UCD  Science North 125
endevent::

--0000000000005953900586cb19c5
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Tuesday 23rd April,=
 2019=C2=A0 at 3.00pm=C2=A0 (place: UCD=C2=A0 Science North 125 )

Speaker: Peter Lynch


Title: Magnums: Counting Sets with Surreals
=
Abstract: How many odd numbers are there? How many even numbers?
=
=C2=A0=C2=A0=C2=A0 From Galileo to Cantor, the suggestion was that there ar=
e the
=C2=A0=C2=A0=C2=A0 same number of odd, even and natural numbers, b=
ecause all three
=C2=A0=C2=A0=C2=A0 sets can be mapped in one-one fashio=
n to each other.=C2=A0 This jars
=C2=A0=C2=A0=C2=A0 with our intuition.<=
br>
=C2=A0=C2=A0=C2=A0 Our objective is to define a measure of the magni=
tude of subsets
=C2=A0=C2=A0=C2=A0 of the natural numbers that correspon=
ds to our intuition.=C2=A0 The
=C2=A0=C2=A0=C2=A0 class of surreal numbe=
rs is the largest possible ordered field.
=C2=A0=C2=A0=C2=A0 Using the s=
urreals, we define the "magnum" for elements of the
=C2=A0=C2=
=A0=C2=A0 power set of the natural numbers. The magnum of a proper subset=C2=A0=C2=A0=C2=A0 of a set is strictly less than the magnum of the set i=
tself.

=C2=A0=C2=A0=C2=A0 There are difficulties evaluating limits o=
ver the surreals.
=C2=A0=C2=A0=C2=A0 We will review some recent progress=
 in developing surreal
=C2=A0=C2=A0=C2=A0 analysis.=C2=A0 For the real n=
umbers, 0.999... =3D 1. For the surreals,
=C2=A0=C2=A0=C2=A0 this is not=
 the case; 0.999... =3D 1 - 10^{-\omega} < 1. Many more
=C2=A0=C2=A0=
=C2=A0 similar examples can be given. 



Tuesday 23r=
d April, 2019=C2=A0 at 4.20pm=C2=A0 (place: UCD=C2=A0 Science North 125 )Speaker: Richard Smith

Ti=
tle: A topological characterization of dual strict convexity in Asplund spa=
ces I
Abstract: In 1975 Lindenstrauss asked whether it is possibl=
e to characterize 

Banach spaces $X$ that admit an equivalent strictly convex norm, in 

terms of other linear or topological properties of $X$. We provide a 

partial answer to this problem in the case of dual spaces, by showing 

that if $X$ is an Asplund space, then it admits an equivalent norm 

having a strictly convex dual norm if and only if the dual unit sphere 

$S_{X^*}$ (equivalently $X^*$), endowed with the $w^*$-topology, 

possesses a certain topological property. It follows that this 

ostensibly geometric property of the space can in fact be characterised 
in purely non-linear, topological terms.



In the first of two talks we will cover the background to the problem, 

the basic concepts involved, and give an introduction to the main 

technique of the proof, which is a type of set-theoretic derivation or 

'eating' process. Such processes are usually indexed by natural num=
bers 

or ordinal numbers, but this one is indexed instead by elements of a 

certain tree.


t=
itle:: ANALYSIS SEMINAR

content:: P. Lynch will speak on
::=C2=A0 About Magnums: Counting Sets with Surreals

date-time:: Tuesday 23th=C2=A0 April, 2019=C2=A0 at 3.00pm 

location:: UCD=C2=A0 Science North 125 

endevent:: 


=
title:: ANALYSIS SEMINAR<=
/span>

content:: R.Smith will speak on
::=C2=A0 About A topological characterization of dual strict convexit=
y in Asplund spaces I
date-time:: Tuesday 23th=C2=A0 April, 2019=C2=A0 at 4.20pm 

location:: UCD=C2=A0 Science North 125 

endevent:: 

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Subject: Maths: MACSI Seminar:  Spatially Extended Ecological Models: Tuesday 23rd April  at 11a.m, Room A2002, 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 Tuesday, 23rd April 2019, Room A2-002 at 11a.m.


Speaker:  Dr Denis Patterson (Department of Mathematics, Brandeis, Boston, =
U.S.).

Title:

Abstract: The Staver-Levin model is a widely studied and phenomenologically=
 rich system of ODEs describing the interaction of savanna, grasslands and =
tropical forest. I will discuss how to derive spatial extensions of this mo=
del by taking appropriate limits of interacting particle systems based on t=
he micro-scale interplay between the species. The resulting spatial models =
are non-local integro-differential equations which support an array of inte=
resting dynamical behaviours. For example, Turing-type pattern formation is=
 possible only with resource constraints and a linear rainfall gradient acr=
oss the spatial domain can induce phase skipping waves and stationary front=
 formation.

This is joint work with Jonathan Touboul (Brandeis), Carla Staver (Yale) an=
d Simon Levin (Princeton).


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_C9BCA8F5312C2B4EA668DF1DB9523C0F014397D7F1exMbx3ulcampu_
Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable









 
 
 
MACSI at the dep=
artment of Mathematics and Statistics at the University of Limerick invites=
 you to a seminar
 
Date Tue=
sday, 23^rd April 2019, Room A2-002 at 11a.m.

 
 
Speaker:
 Dr Denis Patterson (Department of Mathematics, Brandeis, Bo=
ston, U.S.).
 
Title:

 
Abstract:
 The Staver-Levin model is a widely studied and phenomenologically rich sys=
tem of ODEs describing the interaction of savanna, grasslands and tropical =
forest. I will discuss how to derive spatial extensions of this model by ta=
king appropriate limits of interacting
 particle systems based on the micro-scale interplay between the species. T=
he resulting spatial models are non-local integro-differential equations wh=
ich support an array of interesting dynamical behaviours. For example, Turi=
ng-type pattern formation is possible
 only with resource constraints and a linear rainfall gradient across the s=
patial domain can induce phase skipping waves and stationary front formatio=
n.
 
This is joint work with Jonathan Touboul (Brandeis), Carla Staver (Ya=
le) and Simon Levin (Princeton).
&n=
bsp;
&n=
bsp;
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 Nolan (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 Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.
 
 
 




--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F014397D7F1exMbx3ulcampu_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 22 20:26:09 2019
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Date:         Mon, 22 Apr 2019 20:25:48 +0100
Reply-To:     Seminars Maths NUIG 
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From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway (Thursday April 25): Theoretical figure skating
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Dear All,

We will have a seminar Thursday (April 25) at 4pm in ADB1020.


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



Vakhtang Putkaradze
from University of Alberta

 will speak on



=E2=80=9CTheoretical figure skating=E2=80=9D

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 the skate. 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.

---

Joint work with Vaughn Gzenda (UofA). The work was supported by NSERC
Discovery Grant program (VP), USRA (VG) 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 gouverne=
ment du
Canada.



Contact: Michael Tuite

Hoping to see you all there,



Haixuan and Michael



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

--0000000000003bec9c058723708c
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable



Dea=
r All,


We w=
ill have a seminar Thursday (April 25) 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


Vakh=
tang Putkaradze

from University of Alberta


=C2=A0will speak on 


=C2=
=A0


=E2=
=80=9CTheoretical figure skating=E2=80=9D


Abst=
ract: Figure skating is a beautiful sport combining
elegance, precision, and athleticism. To understand some of the mechanics a=
nd
complexity involved in this sport, we derive and analyze a three dimensiona=
l
model of a figure skater at a continuous contact with the ice (i.e., no jum=
ps).
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. We derive a surprising result that for a static (i.e., non-articulat=
ed)
skater, the system is integrable if and only if the projection of the cente=
r 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. T=
he
integrability is proved by showing the existence of two new constants of mo=
tion
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.=
=C2=A0 We also demonstrate the intricate behavior
during the transition from the integrable to the chaotic case. Time permitt=
ing,
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=C2=A0 mec=
hanical properties of the system for the
control of the performance on the ice.


---<=
/span>


Join=
t work with Vaughn Gzenda (UofA). The work was supported by
NSERC Discovery Grant program (VP), USRA (VG) 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.


=C2=
=A0


Cont=
act: Michael Tuite


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/




--0000000000003bec9c058723708c--

From owner-mathdep LISTSERV.HEANET.IE  Tue Apr 23 11:20:41 2019
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Date:         Tue, 23 Apr 2019 10:20:32 +0000
Reply-To:     "Peg.Hanrahan" 
Sender:       UCD Maths Department Distribution List 
From:         "Peg.Hanrahan" 
Subject: Maths:  MACSI Seminar: Inverse problems in groundwater hydrology: basic properties and examples of solution methods. Room A2002, Friday 26th April at 4p.m. University of Limerick
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--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F014397E657exMbx3ulcampu_
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MACSI at the department of Mathematics and Statistics at the University of =
Limerick invites you to a seminar


Date Friday, 26th April 2019, Room A2-002 at 4 p.m.


Speaker: Prof. Mauro Giudici (Department of Earth Sciences "Ardito Desio", =
Universit=E0 degli Studi di Milano, Italy).

Title: Inverse problems in groundwater hydrology: basic properties and exam=
ples of solution methods.

Abstract: The basic inverse problem of groundwater hydrology under stationa=
ry flow conditions, i.e., finding hydraulic conductivity or transmissivity =
from potential (hydraulic head) and source/sink terms, corresponds to the i=
dentification of the leading coefficient of an elliptic equation. Condition=
s to obtain a unique solution have been studied since a long time. Moreover=
, stability issues related to the lack of continuity of the mapping from hy=
draulic head to hydraulic gradient are well known and can be further examin=
ed through spectral analysis of the balance equation. In the discrete case,=
 e.g., for finite differences or finite volume discretization, the stabilit=
y issue should be considered more carefully and should not be confused with=
 that of well-conditioning, as shown by simple paradigmatic examples.
The above mentioned topics can be examined also with numerical tests corres=
ponding to different strategies. With a first set of tests, different direc=
t methods of solution of the inverse problem are compared, by applying them=
 in a "tomographic" framework, i.e., when data from multiple flow situation=
s are available. A second set of tests shows the relevance of joining inver=
se modeling to obtain the long-wavelength variability of the conductivity f=
ield with geostatistical modeling (in the specific case, multiple point geo=
statistics) to reproduce the short-wavelength variability.


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_C9BCA8F5312C2B4EA668DF1DB9523C0F014397E657exMbx3ulcampu_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable









 
MACSI at the dep=
artment of Mathematics and Statistics at the University of Limerick invites=
 you to a seminar
 
 
Date Friday, 26th April 2019, Room A2-002 at 4 p.m.

 
&=
nbsp;
Speake=
r: Prof.
 Mauro Giudici (Department of Earth Sciences "Ardito Desio", =
;Universit=E0 degli Studi di Milano, Italy).

&nbs=
p;
Title:=
 Inverse
 problems in groundwater hydrology: basic properties and examples of soluti=
on methods.
&nbs=
p;
Abstra=
ct: The
 basic inverse problem of groundwater hydrology under stationary flow condi=
tions, i.e., finding hydraulic conductivity or transmissivity from potentia=
l (hydraulic head) and source/sink terms, corresponds to the identific=
ation of the leading coefficient of an
 elliptic equation. Conditions to obtain a unique solution have been studie=
d since a long time. Moreover, stability issues related to the lack of cont=
inuity of the mapping from hydraulic head to hydraulic gradient are well kn=
own and can be further examined
 through spectral analysis of the balance equation. In the discrete case, e=
.g., for finite differences or finite volume discretization, the stability =
issue should be considered more carefully and should not be confused with t=
hat of well-conditioning, as shown
 by simple paradigmatic examples.
The above=
 mentioned topics can be examined also with numerical tests correspond=
ing to different strategies. With a first set of tests,
 different direct methods of solution of the inverse problem are compared, =
by applying them in a "tomographic" framework, i.e., when da=
ta from multiple flow situations are available. A second set of tests shows=
 the relevance of joining inverse modeling to obtain
 the long-wavelength variability of the conductivity field with geostatisti=
cal modeling (in the specific case, multiple point geostatistics) to reprod=
uce the short-wavelength variability.
 
&n=
bsp;
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<=
/span>  or
 Clifford Nolan (061 202766), clifford=
.nolan ul.ie).<=
/span>
 
--------------------------------------------------=
--------------------------
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 Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.
 
 
 
 
 




--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F014397E657exMbx3ulcampu_--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr 24 12:17:03 2019
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Date:         Wed, 24 Apr 2019 11:16:09 +0000
Reply-To:     "Peg.Hanrahan" 
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From:         "Peg.Hanrahan" 
Subject: MATHS:  Postdoctoral Vacancy mathematical modelling - MACSI University of Limerick Ireland
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From owner-mathdep LISTSERV.HEANET.IE  Thu Apr 25 11:07:45 2019
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Reply-To:     Seminars Maths NUIG 
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From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway (Today): Theoretical figure skating
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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.



Vakhtang Putkaradze
from University of Alberta

 will speak on



=E2=80=9CTheoretical figure skating=E2=80=9D

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 the skate. 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.

---

Joint work with Vaughn Gzenda (UofA). The work was supported by NSERC
Discovery Grant program (VP), USRA (VG) 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 gouverne=
ment du
Canada.



Contact: Michael Tuite

Hoping to see you all there,



Haixuan and Michael



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

--000000000000bd7cc6058757fcc6
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable



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


Vakh=
tang Putkaradze

from University of Alberta


=C2=A0will speak on 


=C2=
=A0


=E2=
=80=9CTheoretical figure skating=E2=80=9D


Abst=
ract: Figure skating is a beautiful sport combining
elegance, precision, and athleticism. To understand some of the mechanics a=
nd
complexity involved in this sport, we derive and analyze a three dimensiona=
l
model of a figure skater at a continuous contact with the ice (i.e., no jum=
ps).
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. We derive a surprising result that for a static (i.e., non-articulat=
ed)
skater, the system is integrable if and only if the projection of the cente=
r 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. T=
he
integrability is proved by showing the existence of two new constants of mo=
tion
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.=
=C2=A0 We also demonstrate the intricate behavior
during the transition from the integrable to the chaotic case. Time permitt=
ing,
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=C2=A0 mec=
hanical properties of the system for the
control of the performance on the ice.


---<=
/span>


Join=
t work with Vaughn Gzenda (UofA). The work was supported by
NSERC Discovery Grant program (VP), USRA (VG) 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.


=C2=
=A0


Cont=
act: Michael Tuite


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=





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From owner-mathdep LISTSERV.HEANET.IE  Fri Apr 26 09:42:31 2019
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Reply-To:     Rafael De Andrade Moral 
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From:         Rafael De Andrade Moral 
Subject: Maths: Maynooth Colloquia in Mathematics and Statistics
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--_000_119DA58C386145A2A73F1E70CE42F6A8muie_--

From owner-mathdep LISTSERV.HEANET.IE  Fri Apr 26 12:22:14 2019
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Date:         Fri, 26 Apr 2019 12:19:54 +0100
Reply-To:     Christopher Boyd 
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From:         Christopher Boyd 
Subject: maths: Analysis Seminar in UCD on the 30th of April
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--000000000000dbf22705876d24e9
Content-Type: text/plain; charset="UTF-8"

Tuesday 30th April, 2019  at 4.00pm  (place: UCD  Science North 125 )

Speaker: Richard Smith

Title:  A topological characterization of dual strict convexity in Asplund
spaces II
Abstract: In 1975 Lindenstrauss asked whether it is possible to
characterize
Banach spaces $X$ that admit an equivalent strictly convex norm, in
terms of other linear or topological properties of $X$. We provide a
partial answer to this problem in the case of dual spaces, by showing
that if $X$ is an Asplund space, then it admits an equivalent norm
having a strictly convex dual norm if and only if the dual unit sphere
$S_{X^*}$ (equivalently $X^*$), endowed with the $w^*$-topology,
possesses a certain topological property. It follows that this
ostensibly geometric property of the space can in fact be characterised
in purely non-linear, topological terms. In the second of two talks we
will sketch the proof of this characterization.


title:: ANALYSIS SEMINAR
content:: R. Smith will speak on
::  About  A topological characterization of dual strict convexity in
Asplund  spaces II
date-time:: Tuesday 30th  April, 2019  at 4.00pm
location:: UCD  Science North 125
endevent::

--000000000000dbf22705876d24e9
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Tuesday 30th April, 2019=C2=A0 at 4.00pm=C2=A0 (place=
: UCD=C2=A0 Science North 125 )

Speaker: Richard S=
mith


Title:=C2=A0 A topological characterization of dual s=
trict convexity in Asplund=C2=A0 spaces II
Abstract: In 1975 Lind=
enstrauss asked whether it is possible to characterize 

Banach spaces $X$ that admit an equivalent strictly convex norm, in 

terms of other linear or topological properties of $X$. We provide a 

partial answer to this problem in the case of dual spaces, by showing 

that if $X$ is an Asplund space, then it admits an equivalent norm 

having a strictly convex dual norm if and only if the dual unit sphere 

$S_{X^*}$ (equivalently $X^*$), endowed with the $w^*$-topology, 

possesses a certain topological property. It follows that this 

ostensibly geometric property of the space can in fact be characterised 
in purely non-linear, topological terms. In the second of two talks we 

will sketch the proof of this characterization. <=
span>


title:: ANALYSIS SEMINAR

content:: R. Smith will speak on
::=C2=A0 About=C2=A0 A topological characterization of dual st=
rict convexity in Asplund=C2=A0 spaces II
date-time:: Tuesday 30th=C2=A0 April, 2019=C2=A0 at 4.00pm 

location:: UCD=C2=A0 Science North 125 

endevent:: 

--000000000000dbf22705876d24e9--

From owner-mathdep LISTSERV.HEANET.IE  Fri Apr 26 15:11:07 2019
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Date:         Fri, 26 Apr 2019 15:10:51 +0100
Reply-To:     Tristan McLoughlin 
Sender:       UCD Maths Department Distribution List 
From:         Tristan McLoughlin 
Subject: math: IQF Public Talk, May 22nd 2019
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This is a multi-part message in MIME format.
--------------F2AFB16BCC4FFC50035A7F93
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Dear colleagues,

As part of the Irish Quantum Foundations 2019 meeting, we will host a 
public lecture by Prof. Marika Taylor on the evening of Wednesday May 22nd

Title/: /Black Holes and Quantum Computers

Abstract: A quantum computer makes use of the quantum states of 
subatomic particles to store and process information. Remarkably, black 
holes can help us understand how a quantum computer might work: black 
holes are believed to be the most efficient quantum computers than can 
exist in nature. In this talk we will explain what black holes might 
teach us about quantum computing and conversely what quantum theory 
implies about the fundamental properties of black holes.

About the speaker:

Professor Marika Taylor received her PhD under the supervision of 
Professor Stephen Hawking from the University of Cambridge. Following 
postdoctoral research at Cambridge and Utrecht, she spent ten years as a 
faculty member of the University of Amsterdam. She is a Fellow of the 
Royal Netherlands Academy of Arts and Sciences and was awarded the 2008 
Minerva Prize. In 2012 she moved back to the UK to establish a new 
research centre in astronomy and particle physics at the University of 
Southampton, where she is currently Professor of Theoretical Physics and 
Deputy Head of the School Mathematical Sciences.


Time: 7:15pm Wednesday May 22nd
Venue: Joly Lecture Theatre, Hamilton Building, TCD

This event is free to attend but registration is requested via the link:

https://www.eventbrite.com/e/public-talk-black-holes-and-quantum-computers-tickets-60700219992

On behalf of the IQF organizing committee,
Leron Borsten (DIAS)
Cormac Breen (TUD)
Marius de Leeuw (TCD)
Manuela Kulaxizi (TCD)
Marianne Leitner (DIAS, TCD)
Tristan McLoughlin (TCD)
Joost Slingerland (Maynooth)
Peter Taylor (DCU)
Barry Wardell (UCD)

title:: IQF Public Talk
content:: title:Black Holes and Quantum Computers, Marika Taylor
date-time:: 22nd May 2019 at 19:15pm
location:: Joly Lecture Theatre Hamilton Building, Trinity College Dublin
endevent::




--------------F2AFB16BCC4FFC50035A7F93
Content-Type: text/html; charset=utf-8
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              Dear
                  colleagues,

                
              

                
              As part of
                  the Irish Quantum Foundations 2019 meeting, we will
                  host a public lecture by Prof. Marika Taylor on
                  the evening of Wednesday May 22nd
              

                
              Title: Black Holes and
                    Quantum Computers
              
                

                    
                Abstract: A
                        quantum computer makes use of the quantum states
                        of subatomic particles to store and process
                        information. Remarkably, black holes can help us
                        understand how a quantum computer might work:
                        black holes are believed to be the most
                        efficient quantum computers than can exist in
                        nature. In this talk we will explain what black
                        holes might teach us about quantum computing and
                        conversely what quantum theory implies about the
                        fundamental properties of black holes.
                

                      
                About the
                    speaker:
                  Professor
                        Marika Taylor received her PhD under the
                        supervision of Professor Stephen Hawking from
                        the University of Cambridge. Following
                        postdoctoral research at Cambridge and Utrecht,
                        she spent ten years as a faculty member of the
                        University of Amsterdam. She is a Fellow of the
                        Royal Netherlands Academy of Arts and Sciences
                        and was awarded the 2008 Minerva Prize. In
                      2012 she moved back to the UK to establish a new
                      research centre in astronomy and particle physics
                      at the University of Southampton, where she is
                      currently Professor of Theoretical Physics and
                      Deputy Head of the School Mathematical Sciences. 
                  

                    
                  Time:
                      7:15pm Wednesday May 22nd
                  Venue:
                      Joly Lecture Theatre, Hamilton Building, TCD
                  

                    
                  
                This
                      event is free to attend but registration is
                      requested via the link:

                    
              
              

                
              https://www.eventbrite.com/e/public-talk-black-holes-and-quantum-computers-tickets-60700219992
              

                
              On behalf
                  of the IQF organizing committee,

                  Leron Borsten (DIAS)

                  Cormac Breen (TUD)

                  Marius de Leeuw (TCD)

                  Manuela Kulaxizi (TCD)

                  Marianne Leitner (DIAS, TCD)

                  Tristan McLoughlin (TCD)

                  Joost Slingerland (Maynooth)

                  Peter Taylor (DCU)

                  Barry Wardell (UCD)

                  

                  title:: IQF Public Talk

                
              content::
                  title:Black Holes and Quantum Computers, Marika Taylor

                
              date-time::
                  22nd May 2019 at 19:15pm

                  location:: Joly Lecture Theatre Hamilton Building,
                  Trinity College Dublin

                  endevent::

                  

                  
                      

                      
                    
            
          
        
      
      
        
          

            
        
      
    
  


--------------F2AFB16BCC4FFC50035A7F93--

From owner-mathdep LISTSERV.HEANET.IE  Fri Apr 26 16:48:31 2019
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Date:         Fri, 26 Apr 2019 16:52:10 +0100
Reply-To:     Anthony Cronin 
Sender:       UCD Maths Department Distribution List 
From:         Anthony Cronin 
Subject: maths: Linear Algebra and Matrix Theory Conference at UCD
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--000000000000615b2c058770dd50
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Dear Colleagues,


Reminder:


The School of Mathematics and Statistics, University College Dublin, will
host an International Conference on Linear Algebra and Matrix Theory in
honour of Thomas J Laffey's 75th birthday, on Thursday and Friday May 23rd
and 24th 2019.


Registration is free and closes on May 16th. Those interested in attending
should complete the registration form for the conference and the dinner at
the *Registration* tab from the link below:
maths.ucd.ie/lamt
where you will also find the book of abstracts and other relevant
information.

A poster competition for postgraduate students in the mathematical sciences
who are registered to a HEI in Ireland will be held on the Thursday. The
best poster will receive a prize, sponsored by Science Foundation Ireland,
and those interested should contact me at anthony.cronin ucd.ie for further
details.

Please share this announcement with interested colleagues.

On behalf of the organising committee:
Anthony Cronin and Helena Smigoc

Dr Anthony Cronin
Assistant Professor of Mathematics
Maths Support Centre Manager
School of Mathematics and Statistics
James Joyce Library
University College Dublin
Web: www.ucd.ie/msc
Tel: +353 (0)1 716 7536

*Recently published:*

Cronin, A., Laffey T. (2018). The Diagonalizable Nonnegative Inverse
Eigenvalue Problem. Special Matrices: 6 (1) 273-281.


Cronin, A. (2018). Constructive methods for spectra with three nonzero
elements in the nonnegative inverse eigenvalue problem. Linear and
Multilinear Algebra, 66 (3), 435-446.


Cronin, A., Ni Shuilleabhain, A., Lewanowski-Breen, E. & Kennedy, C.
(2017). Maths Sparks: Investigating the impact of outreach on pupils'
attitudes towards mathematics. 15(3), 4-13, MSOR Connections.


--000000000000615b2c058770dd50
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dear Colleagues,

Reminder:

The School of Mathematics and Statistics, University Coll=
ege Dublin, will host an Inter=
national Conference on =
Linear Algebra and Matrix Theory in honour of Thomas J Laffey's =
75th birthday, on Thursday and Friday May 23rd and 24th 2019.

Registration is free and closes on May 16th. Those interes=
ted in attending should complete the registration form for the conference a=
nd the dinner at the Registration tab from the link below:

maths.ucd.ie/lamt
where you will also find =
the book of abstracts and other relevant information.

<=
div>A poster competition for postgraduate students in the mathematical scie=
nces who are registered to a HEI in Ireland will be held on the Thursday. T=
he best poster will receive a prize, sponsored by Science Foundation Irelan=
d, and those interested should contact me at anthony.cronin ucd.ie for further details.=

=C2=A0
Please share this announcement with in=
terested colleagues.

O=
n behalf of the organising committee:
Anthony Cronin and Helena Smigoc
Dr Anthony Cronin
Assistant Professor of Mathem=
atics
<=
div dir=3D"ltr">Maths Support Centre Manager
School of Mathematics and Statistics
James Joyce Library
University=
 College Dublin
Web: www.ucd.ie/msc
Tel: +353 (0)1 716 7536
Recently published:

<=
/div>Cronin, A., Laffey T. (=
2018). The Diagonalizable Nonnegative Inverse Eigenvalue Problem. Special M=
atrices: 6 (1) 273-281.

Cronin, A. (2018). Construct=
ive methods for spectra with three nonzero elements in the nonnegative inve=
rse eigenvalue problem. Linear and Multilinear Algebra, 66 (3), 435-446.

Cronin, A., Ni Shuilleabhain=
, A., Lewanowski-Breen, E. & Kennedy, C. (2017). Maths Sparks: Investig=
ating the impact of outreach on pupils' attitudes towards mathematics. =
15(3), 4-13, MSOR Connections.


--000000000000615b2c058770dd50--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 29 09:47:48 2019
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From:         =?UTF-8?Q?Eabhnat_N=C3=AD_Fhloinn?= 
Subject: maths: CETL-MSOR 2019: Final 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 has been extended until Wednesday, 1st May. *


*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=
 * 1st
May 2019*.



Full registration details are now available on the conference website.



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

--=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
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Dear colleagues,

=
=
Apologies for a=
ny cross-posting.

=
CETL-MSOR=C2=A02019:=C2=A0 Bringing together mathematics communities
5th & 6th September=C2=A02019=C2=
=A0at Dublin City University, Dublin, Ireland
http://www.sigma-network.ac.uk/cetl-msor<=
/span>-conference-2019/=C2=A0

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
<=
p class=3D"MsoNormal" style=3D"font-family:Calibri,sans-serif;color:rgb(80,=
0,80);font-size:14px">=C2=A0
The call for abstracts has been extended until Wednesday, 1st May.=C2=A0

<=
/span>The Conference Committee warmly welcomes submissions relating to =
the learning and teaching of mathematics and statistics within any discipli=
ne in higher education. For=C2=A0CETL-MSOR=C2=A02019, we=C2=A0are partic=
ularly keen to receive submissions that can demonstrate enhancements which =
are based on reflective and evidence-informed practice in relation to the f=
ollowing themes:=C2=A0=C2=A0
Developing communities of learners in mathematics and st=
atistics support within, and across, the disciplines.=C2=A0=C2=A0Teaching specialist mathematicians.<=
/li>
Inclusiv=
e design for mathematics learning.
Supporting students on the tra=
nsition into and out of higher education.
We invite you to submit=C2=A0abstracts=C2=A0for=C2=A0oral=C2=A0presentations (20 minute sessi=
on), workshops (60 minute session) and lightning talks (3 minute presentati=
on). We are also interested in receiving student-led submissions.
=C2=
=A0
Please complete the=C2=A0=
abstract submission form=
, save as a PDF and upload to=C2=A0EasyChair=C2=A0by the dead=
line of=C2=A0=C2=A01st May 2019<=
/b>.
=C2=A0Full registration details are now available on the conference=C2=A0website.

We will invite speakers to subm=
it a full paper based on your presentation, which will be considered=C2=A0f=
or publication in a special conference issue of=C2=A0MSOR=C2=A0Connections, after the confere=
nce.
=C2=A0
Best wishes,=

E=
abhnat N=C3=AD Fhloinn, Dublin City University=C2=A0
Shazia=
 Ahmed, University=C2=A0of Glasgow
Michael Grove, University=
 of Birmingham
Ciar=C3=A1n Mac an Bhaird, Maynooth University
Rob Wilson, Unive=
rsity of Cardiff
-- 
Dr. Eabhnat N=C3=AD FhloinnDirector of =
Maths Learning Centre
Room X138A
School of Mathematical=
 Sciences
Dublin City University
(01) 700-7710






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--00000000000008573f0587a7563d--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 29 11:22:35 2019
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Date:         Mon, 29 Apr 2019 10:22:20 +0000
Reply-To:     "Peg.Hanrahan" 
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From:         "Peg.Hanrahan" 
Subject: Maths: MACSI Seminar: A Spline-based method for Modelling and Generating Nonhomogeneous Poisson Process Inputs to Simulation Models, Friday 3rd May at 3p.m. Room A2-002, University of Limerick
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--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F0143980CF3exMbx3ulcampu_
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MACSI at the department of Mathematics and Statistics at the University of =
Limerick invites you to a seminar


Date Friday, 3rd May 2019, Room A2-002 at 3 p.m.


Speaker: Dr Lucy Morgan, Department of Management Science, Mathematics and =
Statistics, University of Lancaster, UK


Title:  A Spline-based method for Modelling and Generating Nonhomogeneous P=
oisson Process Inputs to Simulation Models.

Abstract: Simulation models aim to mimic real-world systems and should ther=
efore be driven by input models that truthfully represent the behaviour of =
the system of interest. Quantifying the error propagated to the simulation =
output caused by input modelling has been a popular area of research in rec=
ent years. Presented is a spline-based model of the intensity function of a=
 non-homogeneous Poisson process (NHPP)from which arrivals can be simulated=
. In comparison to two recently developed NHPP input modelling techniques t=
he spline-based method can be shown to recover the underlying intensity of =
a NHPP with lower bias than the competing methods. This means the input mod=
elling error passed to the simulation output is reduced.


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_C9BCA8F5312C2B4EA668DF1DB9523C0F0143980CF3exMbx3ulcampu_
Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable









 
 
MACSI at the dep=
artment of Mathematics and Statistics at the University of Limerick invites=
 you to a seminar
 
 
Date Friday, 3rd May 2019, Room A2-002 at
3 p.m. 
 
&=
nbsp;
Speake=
r:
Dr Lucy Morgan, Department of Management Science, Mathematics an=
d Statistics, University of Lancaster, UK
&nbs=
p;
&nbs=
p;
Title:=
 
A Spline-based method =
for Modelling and Generating Nonhomogeneous Poisson Process
Inputs to Simulation M=
odels.

 
Abstract:
 Simulation models aim to mimic real-world systems and should therefore be =
driven by input models that truthfully represent the behaviour of the syste=
m of interest. Quantifying the error propagated to the simulation output ca=
used by input modelling has been
 a popular area of research in recent years. Presented is a spline-based mo=
del of the intensity function of a non-homogeneous Poisson process (NHPP)fr=
om which arrivals can be simulated. In comparison to two recently developed=
 NHPP input modelling techniques
 the spline-based method can be shown to recover the underlying intensity o=
f a NHPP with lower bias than the competing methods. This means the input m=
odelling error passed to the simulation output is reduced.

 
&n=
bsp;
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<=
/span>  or
 Clifford Nolan (061 202766), clifford=
.nolan ul.ie).<=
/span>
 
--------------------------------------------------=
--------------------------
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 Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.

 
 
 




--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F0143980CF3exMbx3ulcampu_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 29 11:31:42 2019
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Date:         Mon, 29 Apr 2019 11:31:31 +0100
Reply-To:     Tristan McLoughlin 
Sender:       UCD Maths Department Distribution List 
From:         Tristan McLoughlin 
Subject: maths: Irish Quantum Foundations Meeting 2019 May 23rd - May 24th
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Dear Colleagues,

A reminder that the Irish Quantum Foundations Meeting 2019 will take 
place in Trinity College Dublin on May 23rd - 24th (Thursday - Friday).

The meeting is organised jointly by DCU, DIAS, Maynooth University, TCD, 
TUD, and University College Dublin with support kindly provided by the 
Hamilton Mathematics Institute and the Institute of Physics in Ireland.
The meeting covers a wide range of topics in theoretical physics and is 
open to all. There is no registration fee but if you wish to participate 
we ask that you register at

https://www.maths.tcd.ie/IQF2019

In particular if you wish to give a short talk or to attend the 
conference dinner, which will be in a nearby restaurant on the evening 
of Thursday May 23rd, please register as soon as possible so that we can 
finalise arrangements.

Sincerely,

On behalf of the organizers

Leron Borsten (DIAS)
Cormac Breen (TUD)
Marius de Leeuw (TCD)
Manuela Kulaxizi (TCD)
Marianne Leitner (DIAS, TCD)
Tristan McLoughlin (TCD)
Joost Slingerland (Maynooth)
Peter Taylor (DCU)
Barry Wardell (UCD)

P.S. Apologies if you have received this email multiple times

title:: IQF 2019
content:: title: Irish Quantum Foundations 2019
date-time:: 23rd May 2019 at 9:00pm
location:: Joly Lecture Theatre Hamilton Building, Trinity College Dublin
endevent::

--------------A3939AB7EC409E2E541D67FC
Content-Type: text/html; charset=utf-8
Content-Transfer-Encoding: 8bit


  

    
  
  
    
      Dear
        Colleagues,
      

      
      A reminder
        that the Irish Quantum Foundations Meeting 2019 will take place in Trinity
        College Dublin on May 23rd - 24th (Thursday - Friday).
      

      
      The meeting
        is organised jointly by DCU, DIAS, Maynooth University, TCD,
        TUD, and University College Dublin with support kindly provided
        by the Hamilton Mathematics Institute and the Institute of
        Physics in Ireland. 
      The meeting
        covers a wide range of topics in theoretical physics and is open
        to all. There is no registration fee but if you wish
          to participate we ask that you register at 
      

        
      https://www.maths.tcd.ie/IQF2019
      

        
      In particular if you wish to give a short talk or to
          attend the conference dinner, which will be in a nearby restaurant on
          the evening of Thursday May 23rd, please
          register as soon as possible so that we can finalise
          arrangements.
      

      
      
        
          Sincerely,
          

          
          
            On behalf of the organizers
            

            
            Leron Borsten (DIAS)

            
            Cormac Breen (TUD)
            Marius de Leeuw (TCD)
            Manuela Kulaxizi (TCD)

            
            Marianne Leitner (DIAS, TCD)
            Tristan McLoughlin (TCD)

            
            Joost Slingerland (Maynooth)

            
            Peter Taylor (DCU)

            
            Barry Wardell (UCD)
            

            
            P.S. Apologies if you have received this
              email multiple times
            

            
            title::
                IQF 2019

              
              content::
                  title: Irish Quantum Foundations 2019

                
              date-time::
                  23rd May 2019 at 9:00pm

                  location:: Joly Lecture Theatre Hamilton Building,
                  Trinity College Dublin

                  endevent::

                
            
          
        
      
    
  


--------------A3939AB7EC409E2E541D67FC--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 29 12:31:29 2019
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Date:         Mon, 29 Apr 2019 12:30:43 +0100
Reply-To:     Kwok Chuen Wong 
Sender:       UCD Maths Department Distribution List 
From:         Kwok Chuen Wong 
Subject: DCU Mathematical Finance Seminar - Mogens Steffensen (University of Copenhagen)
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--000000000000a3271d0587a99f92
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Dear colleagues,

We will have Mathematical Finance seminar on Friday (May 3).

Everybody welcome,

Ryan

title:: DCU Math Finance (Mogens Steffensen, University of Copenhagen)
content:: Title of talk: Three small epiphanies
:: We discuss, on a principle rather than a technical ground, three
instancies where
:: things are perhaps not the way you thought they were - with potential
impact, theoretically or practically.
:: a) In life-cycle portfolio choice, does one really need to take realized
capital gains into account, or
:: are age-based investment rules doing the job?
:: In time-consistent mean-variance optimization, is normalization of the
variance by current wealth really the 'right' thing to do, or
:: is there a 'better' normalization?
:: In multi-state models frequently used in life insurance and credit risk,
does there exist such a thing as a set of forward transition rates?

date-time:: 3rd May at 2:00pm
location:: DCU Business School, QG21

--=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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*

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



*

--=20

  =20
=20
=20


--000000000000a3271d0587a99f92
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Dear colleagues,

We will have Math=
ematical Finance seminar on Friday (May 3).

Everybody welcome,
Ryan

title:: DCU Math Finance (Mogens Steffensen, University of Co=
penhagen)
content:: Title of talk: Three small epiphanies 
:: We disc=
uss, on a principle rather than a technical ground, three instancies where =

:: things are perhaps not the way you thought they were - with potentia=
l impact, theoretically or practically.
:: a) In life-cycle portfolio ch=
oice, does one really need to take realized capital gains into account, or<=
br>:: are age-based investment rules doing the job? 
:: In time-consiste=
nt mean-variance optimization, is normalization of the variance by current =
wealth really the 'right' thing to do, or
:: is there a 'bet=
ter' normalization? 
:: In multi-state models frequently used in lif=
e insurance and credit risk, does there exist such a thing as a set of forw=
ard transition rates? 

date-time:: 3rd May at 2:00pm
location:: D=
CU Business School, QG21

-- 
=
Kwok Chuen Wong, Ryan
Ass=
istant Professor in Financial Mathematics
School of Mathematical Sciences, Dublin City UniversityX136, Lonsdale Building, Glasnevin, Dublin 9, Ireland
=
Tel: +353 1 7005291
Email: kwokchuen.wong dcu.ie




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--000000000000a3271d0587a99f92--

From owner-mathdep LISTSERV.HEANET.IE  Tue Apr 30 09:19:44 2019
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Date:         Tue, 30 Apr 2019 09:19:26 +0100
Reply-To:     Jan Manschot 
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From:         Jan Manschot 
Subject: maths: 2nd announcement: HMI workshop "Gauge Theory and Virtual Invariants"
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--Apple-Mail=_1256C271-DCB7-4C75-8560-4FBF7DACB6CC
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	charset=utf-8

Dear colleagues,

This the 2nd announcement for the workshop =E2=80=9CGauge Theory and =
Virtual Invariants", which will take place from 13 - 17 May 2019 at the =
Hamilton Mathematics Institute, TCD.=20

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.

The workshop is supported by the Irish Research Council, Hamilton =
Mathematics Institute, Science Foundation Ireland and the Simons =
Foundation.

Confirmed speakers:
Noah Arbesfeld (Imperial)
Michele Del Zotto (Durham)
Lothar G=C3=B6ttsche (ICTP)
Sergei Gukov (Caltech/MPIM)
Dominic Joyce (Oxford)
Pietro Longhi (ETH Zurich)
Cristina Manolache (Imperial)
Nicolo Piazzalunga (SCGP)
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/ =


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



title:: Gauge Theory and Virtual Invariants
date-time:: 13th May 2019 at 9:00pm
location:: Maxwell Lecture Theatre Hamilton Building, Trinity College =
Dublin
endevent::



--Apple-Mail=_1256C271-DCB7-4C75-8560-4FBF7DACB6CC
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html;
	charset=utf-8

Dear colleagues,

This the 2nd announcement for the workshop =E2=80=9CGauge =
Theory and Virtual Invariants", which will take place from 13 - 17 =
May 2019 at the Hamilton Mathematics Institute, TCD. 

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.
The workshop is supported by =
the Irish Research Council, Hamilton Mathematics Institute, Science =
Foundation Ireland and the Simons Foundation.

Confirmed =
speakers:
Noah Arbesfeld =
(Imperial)
Michele Del Zotto (Durham)
Lothar G=C3=B6ttsche (ICTP)
Sergei Gukov =
(Caltech/MPIM)
Dominic Joyce (Oxford)
Pietro Longhi (ETH Zurich)
Cristina =
Manolache (Imperial)
Nicolo Piazzalunga =
(SCGP)
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/

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



title:: Gauge Theory and Virtual Invariants
date-time:: 13th May 2019 at 9:00pm
location:: Maxwell Lecture Theatre Hamilton Building, Trinity =
College Dublin
endevent::


=

--Apple-Mail=_1256C271-DCB7-4C75-8560-4FBF7DACB6CC--

From owner-mathdep LISTSERV.HEANET.IE  Tue Apr 30 10:56:44 2019
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Date:         Tue, 30 Apr 2019 10:56:34 +0100
Reply-To:     George Rogers 
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From:         George Rogers 
Subject: Maths: DIAS, STP Seminar: Thursday, 2 May 2019, 11am
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DIAS THEORETICAL PHYSICS SEMINAR

Time: Thursday 02 May 2019, 11am

Speaker: Falko Pientka (Max Planck Institute, Dresden)

Title: Topological superconductivity in conventional Josephson junctions.

Abstract: Experimental studies of superconductors in low-dimensions and 
with interesting spin structure have become possible by engineering 
mesoscopic superconductor hybrid devices. Of particular interest are 
topological superconductors in one dimension because they host Majorana 
excitations featuring nonabelian exchange statistics. In recent years, 
considerable effort has been dedicated to experimentally realizing 
Majorana states in semiconductor nanowires and related devices.
In this talk I will introduce a novel platform for one-dimensional 
topological superconductors based on conventional Josephson junctions in 
two dimensions, where a phase bias can induce a topological phase 
hosting Majorana states. I will outline the differences to nanowire 
platforms and discuss first experimental results.
Time permitting, I will furthermore briefly present our ideas for a 
Majorana-based quantum simulator of strongly correlated spin systems.

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:: Falko Pientka
date-time:: 02 May 2019, 11am
location:: School of Theoretical Physics, DIAS. 10 Burlington Road, D.4.
endevent::

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Date:         Tue, 30 Apr 2019 10:29:31 +0000
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Dear Colleagues,



You are welcome to the following seminar:



UCC Mathematics Seminar



Time and location: 4-5pm, Tuesday 7 May 2019, WGB G01



Speaker:  Des MacHale (University College Cork)



Title: New Light on Boole=92s Mathematics



Abstract:

Traditionally, George Boole (1815=971864) is best remembered for his Algebr=
a of Logic which Claude Shannon used to develop switching circuits which ev=
entually led to the Electronic Age. But Boole also laid the foundations of =
Probability Theory and was an innovator in differential equations and diffe=
rence equations. In addition, Boole was the founder of Invariant Theory, no=
w an important branch of mathematics in its own right. In this talk we look=
 at recently discovered areas of mathematics to which Boole contributed, in=
cluding Group Theory and Mathematical Semantics, and also look at his inter=
action with mathematicians of his day.

Best regards,

Spyros Dendrinos


--_000_DB7PR02MB40925EFDE8A3D935C882237FBA3A0DB7PR02MB4092eurp_
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Dear Coll=
eagues,













 

You are welcome to the following
seminar:

 

UCC
Mathematics Seminar

 

Time and location:
4-5pm, Tuesday 7 May 2019, WGB G0=
1

 

Speaker:  Des MacHa=
le (University
 College Cork)

 

Title:
New
 Light on Boole=92s Mathematics=



&n=
bsp;

Abstract:




Traditionally, George Boole (1815=971864) is best remembered for his Alg=
ebra of Logic which Claude Shannon used to
 develop switching circuits which eventually led to the Electronic Age. But=
 Boole also laid the foundations of Probability Theory and was an innovator=
 in differential equations and difference equations. In addition, Boole was=
 the founder of Invariant Theory,
 now an important branch of mathematics in its own right. In this talk we l=
ook at recently discovered areas of mathematics to which Boole contributed,=
 including Group Theory and Mathematical Semantics, and also look at his in=
teraction with mathematicians of
 his day.




Best regards,


Spyros Dendrinos



















--_000_DB7PR02MB40925EFDE8A3D935C882237FBA3A0DB7PR02MB4092eurp_--

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Reply-To:     Martin Mathieu 
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From:         Martin Mathieu 
Subject: maths: Colloquium at QUB this week
Comments: cc: "Dan Kucerovsky (dkucerov unb.ca)" 
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The next colloquium at the Mathematical Sciences Research Centre of QUB  wi=
ll take place on Friday 3 May at 2pm in MAP 0G/017.

The speaker will be Professor Dan Kucerovsky from University of New Brunswi=
ck.

As usual, everybody is welcome to join the talk.


=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Title: Noncommutatively compactly supported functions

Abstract:
A unital C*-algebra is a noncommutative generalization of the algebra C(X) =
of continuous functions on a compact topological space; in the nonunital ca=
se, it is a generalization of the algebra C_0 (X) of continuous functions t=
hat vanish at infinity, or more accurately, functions that are each arbitra=
rily small outside a sufficient large compact set. Let us consider what mig=
ht be the proper generalization of compactly supported functions to the non=
commutative case.  The usual approach in noncommutative geometry is to fix =
some holomorphically closed subalgebra and to use that, but what happens if=
 we need more information about the "compactly supported functions"? The an=
swer has possibly been found by Pedersen, in the form of the Pedersen ideal=
. However, there are some subtle questions that arise when we take tensor p=
roducts.  One would  expect the Pedersen ideal of the tensor product of two=
 C*-algebras to "multiply" in an obvious sense. However, while this might b=
e expected, the situation is complicated by the fact that there is, in gene=
ral, more than one C*-norm that one can put on the tensor product of C*-alg=
ebras. We show that positive elements of a Pedersen ideal of a tensor produ=
ct can be approximated in a particularly strong sense by sums of tensor pro=
ducts of positive elements.  We show that the positive elements of a Peders=
en ideal are sometimes stable under Cuntz equivalence. We generalize a resu=
lt of Pedersen's by showing that certain classes of completely positive map=
s take a Pedersen ideal into a Pedersen ideal. This has a range of applicat=
ions to the structure of tracial cones and related topics, such as the Cunt=
z-Pedersen space or the Cuntz semigroup. For example, we determine the cone=
 of lower semi-continuous traces of a tensor product in terms of the traces=
 of the tensor factors, in an arbitrary C*-tensor norm.
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D


---------------------------------------------------------------------------=
-----
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_D5256895D8C44547AA7FD1339E946994EA80C67EEX2K10MBX7adsqu_
Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable









 


The next colloquium at the Mathematical S=
ciences Research Centre of QUB  will take place on Friday 3 Ma=
y at 2pm in MAP 0G/017.


 


The speaker will be
Professor Dan Kucerovsky from University of New Brunswick.=



 


As usual, everybody is welcome to join th=
e talk. 

 




 


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



Title: =
Noncommutatively compactly supported functions


 


Abstract:


A unital C*-algebra is a noncommutative generalization of t=
he algebra C(X) of continuous functions on a compact
 topological space; in the nonunital case, it is a generalization of the al=
gebra C_0 (X) of continuous functions that vanish at infinity, or more accu=
rately, functions that are each arbitrarily small outside a sufficient larg=
e compact set. Let us consider what
 might be the proper generalization of compactly supported functions to the=
 noncommutative case.  The usual approach in noncommutative geometry i=
s to fix some holomorphically closed subalgebra and to use that, but what h=
appens if we need more information about
 the "compactly supported functions"? The answer has possibly bee=
n found by Pedersen, in the form of the Pedersen ideal. However, there are =
some subtle questions that arise when we take tensor products.  One wo=
uld  expect the Pedersen ideal of the tensor product
 of two C*-algebras to "multiply" in an obvious sense. However, w=
hile this might be expected, the situation is complicated by the fact that =
there is, in general, more than one C*-norm that one can put on the tensor =
product of C*-algebras. We show that positive
 elements of a Pedersen ideal of a tensor product can be approximated in a =
particularly strong sense by sums of tensor products of positive elements.&=
nbsp; We show that the positive elements of a Pedersen ideal are sometimes =
stable under Cuntz equivalence. We generalize
 a result of Pedersen's by showing that certain classes of completely posit=
ive maps take a Pedersen ideal into a Pedersen ideal. This has a range of a=
pplications to the structure of tracial cones and related topics, such as t=
he Cuntz-Pedersen space or the Cuntz
 semigroup. For example, we determine the cone of lower semi-continuous tra=
ces of a tensor product in terms of the traces of the tensor factors, in an=
 arbitrary C*-tensor norm.

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






 


 <=
/o:p>
---------------------------------------=
-----------------------------------------
Dr Martin Mathieu, MRIA
Mathematical Sciences Research Centre
School of Mathematics and Physics<=
/o:p>
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
 

 

 

 




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From owner-mathdep LISTSERV.HEANET.IE  Thu Apr  2 17:54:32 2020
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Date:         Thu, 2 Apr 2020 16:54:09 +0000
Reply-To:     Ken Duffy 
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From:         Ken Duffy 
Subject: maths: Hamilton Institute Professorship opening at Maynooth University
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--_000_DB7PR02MB44579CF89E834783A6CD289AE6C60DB7PR02MB4457eurp_
Content-Type: text/plain; charset="Windows-1252"
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Dear Colleagues,

The Hamilton Institute at Maynooth University (https://www.maynoothuniversi=
ty.ie/hamilton) is seeking to make a senior appointment of a Professor of A=
pplied Mathematics, Computer Science, or Statistics to further strengthen t=
he institute and bolster the university=92s reputation for interdisciplinar=
y research and innovation.

Details of the opening can be found here:

https://www.universityvacancies.com/maynooth-university/professor-applied-m=
athematics-computer-science-or-statistics-hamilton-institute

I would be grateful if you could draw the post to the attention of suitably=
-qualified parties that might be interested in joining our vibrant research=
 community.

Regards,

Ken


-------------
Ken Duffy
Professor
Director, Maynooth University Hamilton Institute
Co-Director of the SFI Centre for Research Training in Foundations of Data =
Science
E: ken.duffy mu.ie
W: www.maynoothuniversity.ie/people/ken-duffy
W: www.data-science.ie


--_000_DB7PR02MB44579CF89E834783A6CD289AE6C60DB7PR02MB4457eurp_
Content-Type: text/html; charset="Windows-1252"
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Dear Colleagues,



The Hamilton Institute at Maynooth University (<=
span style=3D"margin: 0px; background-color: white">https://www.maynoothuniversity.ie/hamilton)
 is seeking to make a senior appointment of a Professor of Applied Mathemat=
ics, Computer Science, or Statistics to further strengthen the institute an=
d bolster the university=92s reputation for interdisciplinary research and =
innovation.



Details of the opening can be found here:



http=
s://www.universityvacancies.com/maynooth-university/professor-applied-mathe=
matics-computer-science-or-statistics-hamilton-institute





I would be grateful if you could draw the post =
to the attention of suitably-qualified parties that might be interested in =
joining our vibrant research community.







Regards,





Ken









-------------
Ken Duffy
Professor
Director, Maynooth University Hamilton Institute=
 
Co-Director of the SFI Centre for Research Train=
ing in Foundations of Data Science
E: ken.duffy mu.ie


W: www.maynoothuniversity.ie/people/ken-duffy&nb=
sp;
W: www.data-science.=
ie
















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From owner-mathdep LISTSERV.HEANET.IE  Mon Apr  6 12:35:52 2020
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Subject: maths: DIAS Zoom Seminar Tue April 7th at 14:30
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Dear Colleagues,
                we are continuing our Theoretical Physics Seminar series 
with the following Zoom seminar:
https://zoom.us/j/936912200?pwd=WmRvd1llbjdUdXNRZ2VROXlpaHdFQT09
Meeting ID: 936 912 200
Password: 087667

Title:       Fermion-fermion duality in 3+1 dimensions

Speaker:            Giandomenico Palumbo
                 Universit� Libre de Bruxelles


Abstract: "Dualities play a central role in both quantum field theories and
condensed matter systems. Recently, a web of dualities has been discovered
in 2+1 dimensions. In this talk, I present a generalisation of the Son's
fermion-fermion duality to 3+1 dimensions. I show that the action of charged
Dirac fermions coupled to an external electromagnetic field is dual to an
action of neutral fermions minimally coupled to an emergent vector gauge
field. This dual action contains also a further tensor gauge field coupled
to the emergent and electromagnetic vector potentials. Firstly, I
demonstrate the duality in the massive case. Secondly, I discuss the duality
in the case of massless fermions starting from a lattice model and employing
the slave-rotor approach already used in 2+1-dimensional systems. I finally
apply this new duality to 3D Dirac semimetals in the low-energy regime.
Besides their implications in topological phases of matter, these results
shed light on the possible existence of a novel web of dualities in
3+1-dimensional (non-supersymmetric) quantum field theories."
--111151493-714962091-1586172117=:19723--

From owner-mathdep LISTSERV.HEANET.IE  Thu Apr  9 14:24:16 2020
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Subject: maths: DIAS Zoominar Tue April 14th at 14:30
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Dear Colleagues,
                 we are continuing our Theoretical 
Physics Seminar series with the following Zoom seminar:
Time: Tuesday April 14th
The link is:
https://zoom.us/j/417720461?pwd=dTdNdXBpU2EweU9mM3VNWEUyU01odz09
Meeting ID: 417 720 461
Password: 107981

                       Felix Flicker

                    Oxford University

            Classical Dimers on Penrose Tilings

Colouring the edges of a graph such that each vertex connects to at most
one coloured edge defines a classical dimer model. We study the
classical dimer model on rhombic Penrose tilings, whose edges and
vertices may be identified with those of a bipartite graph. We find that
Penrose tilings do not admit perfect matchings (dimer coverings free of
unmatched vertices, or 'monomer' defects). Instead, their maximum
matchings (with the fewest monomers) have a monomer density of
81-50*(the golden ratio), approximately 0.098, in the thermodynamic
limit. Such matchings divide the tiling into a fractal of nested closed
regions. Turning to related structures, we show that dart-kite Penrose
tilings instead feature an imbalance of charge between bipartite
sub-lattices, leading to a minimum monomer density of (7-4*(the golden
ratio))/5, around 0.106, all of one charge. With summer student Jerome
Lloyd we show that the Ammann-Beenker tiling admits perfect matchings.
We find various other phenomena in dimer models on other quasicrystals.

�F. Flicker, S. H. Simon, and S. A. Parameswaran, Phys Rev X 10, 011009
(2020)


--111151493-962441160-1586438506=:7283--

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Date:         Thu, 9 Apr 2020 10:19:59 -0400
Reply-To:     Colm Mulcahy 
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Subject: maths: Irish Mathematical Medics blog
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I hope everyone is well and not enjoying any beaches in Donegal or Wexford.

Irish Mathematical Medics blog http://www.mathsireland.ie/blog/2020_03_cm

This month, we survey over 40 people whose studies and professions saw them
pursue both mathematical and medical endeavours, where at least one of
those had an Irish connection


Colm Mulcahy, Professor of Mathematics, Spelman College, Atlanta, GA 30314,
USA Annals of Irish Maths 

--0000000000001f78ac05a2dc5206
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=
I hope everyone is well and not enjoying any beaches in Donegal =
or Wexford.

Irish Mathematical Medics blog=C2=A0http://www.mathsireland.ie/blo=
g/2020_03_cm

This
 month, we survey over 40 people whose studies and professions saw them=20
pursue both mathematical and medical endeavours, where at least one of=20
those had an Irish connection

<=
br>
Colm Mulcahy, Professor of Mathematics, Spelman College, Atlanta, GA 303=
14, USA Annals of Irish Maths=
=C2=A0
<=
/strike>


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From owner-mathdep LISTSERV.HEANET.IE  Tue Apr 14 18:25:32 2020
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Reply-To:     "Denjoe O'Connor" 
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From:         "Denjoe O'Connor" 
Subject: maths: DIAS Zoominar Friday April 17th at 14:30
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Dear Colleagues,
                 we are continuing our Theoretical Physics Seminar series. 
Please join us on Friday April 17th (please note the date) with the following 
Zoom seminar:

Date: Friday April 17th
Time: 14:30
The link is:
https://zoom.us/j/99261655358?pwd=S2pRYnpYcDlEYk9Yc3RwV3MwNnRmdz09
Meeting ID: 992 6165 5358
Password: 026813

Speaker:                  Anne Taormina
                           Durham University

Title: Mathieu Moonshine: quarter BPS states at the Kummer point

Abstract: �The elliptic genus of K3 surfaces encrypts an intriguing connection 
between the sporadic group Mathieu 24 and non-linear sigma models on K3, dubbed 
`Mathieu Moonshine'. By restricting to Kummer K3 surfaces, which may be 
constructed as Z2 orbifolds of complex 2-tori with blown up singularities, it 
has been possible to devise a framework in which the concept of symmetry 
surfing can be explored and tested in a concrete way.

This talk focusses on what has been learned so far that supports the symmetry 
surfing idea when lifting the Kummer construction to the level of� conformal 
field theory, with particular emphasis on quarter BPS states. Some of these 
states enter the elliptic genus with opposite signs thus� cancelling each other 
when counted by this index, yet they carry interesting information that should 
help understand Mathieu Moonshine. �



With best wishes,
Denjoe.
--111151493-1514477735-1586883291=:7676--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr 15 15:18:51 2020
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Date:         Wed, 15 Apr 2020 15:18:13 +0100
Reply-To:     Joost Slingerland 
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From:         Joost Slingerland 
Subject: maths: Maynooth Theoretical Physics Seminar this Friday -- Niels Warburton, UCD -- Gravitational waves from galactic cores
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Dear All,

This Friday, April 17th, there will be a Maynooth Virtual Theoretical 
Physics Seminar. Apologies for the late notice. 
Details of the seminar and on how to attend follow below. All are most 
welcome!

-----------------------------------------------------------------------
Speaker:  Niels Warburton (UCD)

Time:  Friday April 17th, 2pm

Title: Gravitational waves from galactic cores

Abstract:
Detecting gravitational waves (GWs) with space-based 
observatories enables measurements at lower frequencies than can be 
reached by ground-based detectors. The European Space Agency's LISA 
detector will be sensitive in the millihertz band, which enables 
observations of compact binaries with total mass in the rage of ~10^5 - 
10^7 solar masses. One such class of sources are extreme mass-ratio 
inspirals where a compact stellar mass object (black hole, neutron star or 
white dwarf) orbits a massive black hole. These binaries will emit tens of 
thousands of cycles of GWs during the LISA mission, and these waves will 
encode information about the dense stellar environment in galactic cores, 
and of the spacetime around massive black holes. In this talk I will 
review the status of modelling these binaries for GW science.


How to attend:

This is a Zoom meeting. The full Zoom invitation is copied below,
but to participate, most people should only need to follow this long link:

https://us02web.zoom.us/j/88968776586?pwd=Y0xHTkl3bTZtbG00NGZpdTRxY0Z5Zz09

This will lead to a "waiting room" and from there, I can let you into the 
meeting (or refuse entry if you make yourself look suspect)

There is a maximum of 100 attendees at any time.

Hope to see some of you there,

All the best,

Joost Slingerland

******* Full Zoom Invitation Follows ********

Joost Slingerland is inviting you to a scheduled Zoom meeting.

Topic: Maynooth Theoretical Physics Seminar -- Niels Warburton (UCD) -- 
Gravitational waves from galactic cores
Time: Apr 17, 2020 02:00 PM London

Join Zoom Meeting
https://us02web.zoom.us/j/88968776586?pwd=Y0xHTkl3bTZtbG00NGZpdTRxY0Z5Zz09

Meeting ID: 889 6877 6586
Password: 008829
One tap mobile
+35361639031,,88968776586#,,#,008829# Ireland
+35315369320,,88968776586#,,#,008829# Ireland

Dial by your location
         +353 6 163 9031 Ireland
         +353 1 536 9320 Ireland
         +353 1 653 3895 Ireland
         +353 1 653 3897 Ireland
         +353 1 653 3898 Ireland
         +1 253 215 8782 US
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         +1 346 248 7799 US (Houston)
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         +1 929 205 6099 US (New York)
Meeting ID: 889 6877 6586
Password: 008829
Find your local number: https://us02web.zoom.us/u/keGq3MXkOn

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 20 15:31:01 2020
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Reply-To:     "Denjoe O'Connor" 
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From:         "Denjoe O'Connor" 
Subject: maths: DIAS Zoominar Tue April 21th at 15:00 speaker J=?ISO-8859-15?Q?=FCrg_Fr=F6hlich?=
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Dear Colleagues,
                 we are continuing our Theoretical Physics Seminar series with
a special joint seminar with Harvard's Mathematical Picture Language 
Project. The link special for tomorrow's seminar is
https://mathpicture.fas.harvard.edu/event/online-seminar-j�rg-fr�hlich-eth-
z�rich-kochen-specker-bell-and-others


Speaker:              J�rg Fr�hlich

Title:   Kochen, Specker, Bell, and Others

Abstract:
Work of Ernst Specker (1960), Simon Kochen and Ernst Specker 
(1967), and  John Bell (1964) concerning the non-existence of a 
hidden-variables theory reproducing the predictions of Quantum Mechanics 
is reviewed.  Subsequently, a novel approach to Quantum Mechanics
yielding - among other things - a solution of the measurement
problem is outlined.

With best wishes,
Denjoe.
--111151493-962441160-1586438506=:7283--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 20 17:12:04 2020
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Reply-To:     Seminars Maths NUIG 
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From:         Seminars Maths NUIG 
Subject: Maths: (Online) seminar at NUIG (Thurs. April 23): An Adaptive DG Model for Extreme Waves
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--000000000000803e1b05a3bb2745
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Dear All,

We will have a seminar Thursday (April 23) at 4pm online at

https://eu.bbcollab.com/guest/84ca4688639141228264bf6f5523afb6




Coffee/tea/cakes/biscuits will be served online from 3:30.


Nicole Beisiegel from University College Dublin will speak on


"An Adaptive DG Model for Extreme Waves"



Abstract:

In this seminar we will talk about the numerical study of extreme waves that
are caused by atmospheric disturbances such as storms. We will consider an
adaptive discontinuous Galerkin (DG) model that solves the 2D non-linear
shallow water equations.

Furthermore, we will have a closer look at several source terms that
play a role in wave formation and discuss underlying physical mechanisms. Using
the aforementioned model, we will study idealised hurricane storm surge and
coastal inundation and see how the adaptive capability is used to
significantly reduce computing time while leading to high order accuracy.



Contact: Niall Madden


Hoping  to see you all there,



Haixuan and Michael



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

--000000000000803e1b05a3bb2745
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dear All,<=
/p>
We will have a seminar Thursday (April 2=
3) at 4pm online at
ht=
tps://eu.bbcollab.com/guest/84ca4688639141228264bf6f5523afb6=C2=
=A0

Coffee=
/tea/cakes/biscuits will be served online from 3:30.

=
Nicole Beisiegel from University College Dublin will speak on

"An Adaptive DG Model for Extreme Waves"=
=C2=A0
Abstract:=C2=A0=C2=A0
In =
this seminar we will talk about the numerical study of extreme waves that are caused by a=
tmospheric disturbances such as storms. We will consider an adaptive discontinuous Galerk=
in (DG) model that solves the 2D non-linear shallow water equations.
Furthermore, we will have a closer look at several source terms that<=
/span>
play a role in wave formation and disc=
uss underlying physical mechanisms. Using the aforementioned model, we will study idealis=
ed hurricane storm surge and coastal inundation and see how the adaptive capability is us=
ed to signific=
antly reduce computing time while leading to high order accuracy.
=C2=A0
Contact: Niall Madden

Hop=
ing=C2=A0 to see you all there,
=
=C2=A0
Haixuan and Michael=
=C2=A0
Future seminars are listed at=C2=A0http://www.nuigal=
way.ie/science/school-of-maths/seminars/

--000000000000803e1b05a3bb2745--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr 22 11:20:43 2020
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Date:         Wed, 22 Apr 2020 11:19:41 +0100
Reply-To:     Christopher Boyd 
Sender:       UCD Maths Department Distribution List 
From:         Christopher Boyd 
Subject: maths: Analysis Seminar UCD (via Zoom) at 3.00 on the 28th of April
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--0000000000000ad2b805a3de7929
Content-Type: text/plain; charset="UTF-8"

Tuesday 28th April, 2020  at 3.00pm

https://zoom.us/j/96157133993?pwd=RER2aUtCdGE5WGJta1R2UjUyY1N4UT09

Speaker M. Ghergu

Title: Positive solutions for quasilinear elliptic inequalities with
nonlocal terms
Abstract: We study the existence and nonexistence of positive solutions for
a class of quasilinear elliptic inequalities involving nonlocal terms. The
general class of differential operators considered contains the case of
m-Laplace operator or m-mean curvature operator as a particular case. We
obtain optimal conditions on all parameters for which positive solutions
exist.
This talk is based on a joint work with Paschalis Karageorgis (Trinity
College Dublin) and Gurpreet Singh (Trinity College Dublin).




title:: ANALYSIS SEMINAR
content:: M. Ghergu will speak on
:: Positive solutions for quasilinear elliptic inequalities with nonlocal
terms
date-time:: Tuesday 28th  April, 2020  at 3.00pm
location::
https://zoom.us/j/96157133993?pwd=RER2aUtCdGE5WGJta1R2UjUyY1N4UT09
endevent::

--0000000000000ad2b805a3de7929
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Tuesday 28th April, 2020=C2=A0 at 3.00pm=C2=A0 


https://zoom.us/j/96157133993?pwd=3DRER2aUtCdGE5W=
GJta1R2UjUyY1N4UT09


Speaker M. Ghergu

Title: Positive solutions for quasilinear elliptic inequalities with nonlo=
cal terms
Abstract: We
 study the existence and nonexistence of positive solutions for a class=20
of quasilinear elliptic inequalities involving nonlocal terms. The=20
general class of differential operators considered contains the case of=20
m-Laplace operator=C2=A0or m-mean curvature operator as a particular case. =
We
 obtain optimal conditions on all parameters for which positive=20
solutions exist.
This talk is base=
d on a joint work with Paschalis Karageorgis (Trinity College Dublin) and G=
urpreet Singh=C2=A0(Trinity College=
 Dublin).




title:: ANALYSIS SEMINAR

content:: M. Ghergu will speak on

:: Positive solutions for quasilinear el=
liptic inequalities with nonlocal terms

date-time:: Tuesday 28th=C2=A0 April, 2020=C2=A0 at 3.00pm 

location:: https://zoom.us/j/96157133993?pwd=3DRER2aUtCdGE5WGJta1R2Uj=
UyY1N4UT09

endevent::

--0000000000000ad2b805a3de7929--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr 22 22:24:21 2020
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Reply-To:     "Denjoe O'Connor" 
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From:         "Denjoe O'Connor" 
Subject: maths: DIAS Zoominar Tue April 28th at 14:30 speaker Donal O'Connell
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Dear Colleagues,
                 we are continuing our Theoretical Physics Seminar series 
with the following Zoom seminar:
Date: Tuesday April 28th
Time: 14:30
The link is:
https://zoom.us/j/417720461?pwd=dTdNdXBpU2EweU9mM3VNWEUyU01odz09
Meeting ID: 417 720 461
Password: 107981


                   Donal O'Connell

               The University of Edinburgh

Title: Quantum Amplitudes and Classical Gravity

Abstract: Scattering amplitudes in quantum field theory have a number of 
surprising properties. They also provide a close link between Einstein 
gravity and Yang-Mills theory. We can exploit this link to simplify 
computations in perturbative gravity, and also to understand exact 
features of gravitational solutions from a new point of view. In this 
talk, I will discuss applications of amplitudes to classical gravity.


With best wishes,
Denjoe.

From owner-mathdep LISTSERV.HEANET.IE  Thu Apr 23 00:31:27 2020
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Dear Colleagues,

please pass this notice on to any suitable students. Many thanks!

----------------------------------------------------------------------------------------------------------------------------------
https://www.dias.ie/positions/index.php?p=1587140441

DIAS Summer Studentships - School of Theoretical Physics - 2020

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 2 Summer Studentships.

The stipend is for a total scholarship of €3,000 and covers a two month 
internship starting on June 2nd.

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.

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 Monday May 4th, 5pm. 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 May 04th.

DIAS is committed to gender balance, inclusion and diversity.
----------------------------------------------------------------------------------------------------------------------------------

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 27 10:04:53 2020
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Dear all,

For anyone interested, one of our Colloquium Speakers last year (Professor =
Goldstein) forwarded me the following:

Because of the COVID-19 pandemia and the cancellation of various events, th=
ere is an agreement with zalafilms for a free screening of their beautiful =
film 'Secrets of the Surface' devoted to Maryam Mirzakhani.

Please register here https://may12.womeninmaths.org/screening-secrets and y=
ou will be receive a link by email for a free screening at the date you cho=
se, in the period April 1 to May 15. They ask that you DO NOT communicate t=
he link you then receive to anyone.

Aplogies for any cross-posting,

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_DB7PR02MB364271A09D598DE725E98A728CD00DB7PR02MB3642eurp_
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Dear all,





For anyone interested, one of our Colloquium Speakers last year (Professor =
Goldstein) forwarded me the following:





Because of the COVID-19 pandemia and the cancellation of various event=
s, there is an agreement with zalafilms for a free screening of their beaut=
iful film 'Secrets of the Surface' devoted to Maryam Mirzakhani. 















Please register here 
https://may12.womeninmaths.org/screening-secrets and you will be receiv=
e a link by email for a free screening at the date you chose, in the period=
 April 1 to May 15. They ask that you DO NOT communicate the link you then =
receive to anyone.






Aplogies for any cross-posting,



















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-bhair=
d







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












--_000_DB7PR02MB364271A09D598DE725E98A728CD00DB7PR02MB3642eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 27 10:54:50 2020
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Subject: Maths: DIAS Summer Studentships - School of Theoretical Physics - 2020
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Dear Colleagues,

please pass this notice on to any suitable students. Many thanks!

----------------------------------------------------------------------------------------------------------------------------------
https://www.dias.ie/positions/index.php?p=1587140441

DIAS Summer Studentships - School of Theoretical Physics - 2020

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 2 Summer Studentships.

The stipend is for a total scholarship of €3,000 and covers a two month 
internship starting on June 2nd.

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.

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 Monday May 4th, 5pm. 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 May 04th.

DIAS is committed to gender balance, inclusion and diversity.
----------------------------------------------------------------------------------------------------------------------------------

-- 
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  Tue Apr 28 09:23:50 2020
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Date:         Tue, 28 Apr 2020 08:23:12 +0000
Reply-To:     "McGettrick, Michael" 
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From:         "McGettrick, Michael" 
Subject: Maths: Springer Books
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Just thought this might be of interest to many (if you don't know about it
already), Springer seems to give now (during Covid 19 crisis) free access t=
o many
of their books, including 38 in mathematics (some also in Computer Science,
Physics, etc.), see
https://link.springer.com/search/page/2?facet-content-type=3D%22Book%22&pac=
kage=3Dmat-covid19_textbooks&facet-language=3D%22En%22&sortOrder=3DnewestFi=
rst&showAll=3Dtrue

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Michael Mc Gettrick, School of Mathematics, National University of Ireland,=
 Galway
SKYPE: macsitric  michael.mcgettrick nuigalway.ie
http://www.maths.nuigalway.ie/~gettrick/


--_000_DB7PR01MB42820B8A85B5829528349289F9AC0DB7PR01MB4282eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable









Just thought this might be of interest to many (if you don't know about it&=
nbsp;

already), Springer seems to give now (during Covid 19 crisis) free access t=
o many

of their books, including 38 in mathematics (some also in Computer Science,=


Physics, etc.), see

https:=
//link.springer.com/search/page/2?facet-content-type=3D%22Book%22&packa=
ge=3Dmat-covid19_textbooks&facet-language=3D%22En%22&sortOrder=3Dne=
westFirst&showAll=3Dtrue







~~~~~~~~~~~~~~~~~~~~~~~~~=
~~~~~~~~~~~~~~~~~~~~~~~~~

Michael Mc Gettrick, School of Mathematics, National University of Ireland,=
 Galwaymichael.mcg=
ettrick nuigalway.ie

ht=
tp://www.maths.nuigalway.ie/~gettrick/









--_000_DB7PR01MB42820B8A85B5829528349289F9AC0DB7PR01MB4282eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr 29 00:09:58 2020
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Reply-To:     "Denjoe O'Connor" 
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From:         "Denjoe O'Connor" 
Subject: maths: DIAS Zoominar Tue May 5th at 14:30 speaker Parameswaran Nair
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Dear Colleagues,
                 we are continuing our Theoretical Physics Seminar series with 
the following Zoom seminar:
Date: Tuesday May 5th
Time: 14:30
The link is:
https://zoom.us/j/417720461?pwd=dTdNdXBpU2EweU9mM3VNWEUyU01odz09
Meeting ID: 417 720 461
Password: 107981

                        Parameswaran Nair

                    City College of the CUNY


Title:  Entanglement in the quantum Hall system and a generalized Chern-Simons form

Abstract: We analyze some features of the entanglement entropy for an 
integer quantum Hall state in comparison with ideas from relativistic 
field theory and noncommutative geometry. We present arguments that the 
main part of the dependence of the entanglement entropy on background 
gauge fields and geometric data such as the spin connection is given by a 
generalized Chern-Simons form. The spectrum of the modular operator, for a 
restricted class of states, is shown to be similar to the case of 
relativistic field theory. Implications of this result for bringing 
together ideas of noncommutative geometry, entropy and gravity are briefly 
commented upon.

With best wishes,
Denjoe.

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From owner-mathdep LISTSERV.HEANET.IE  Thu Apr  1 10:37:47 2021
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Date:         Thu, 1 Apr 2021 10:37:19 +0100
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 6th of April
To:           MATHDEP LISTSERV.HEANET.IE
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Speaker:  Richard  Aron (Kent, Ohio)

Title: Reflexivity and norm attaining operators

https://ucd-ie.zoom.us/j/62488055816?pwd=SUEranJlQmFNT3M0aUw2NTRIaFpzZz09

Abstract: This is joint work with Domingo Garc\'ia, Daniel Pellegrino, and
Eduardo Teixeira (Proc. AMS (2020)).  We discuss a property called ``wmp,''
 related to reflexivity, that has  applications to norm attaining
operators. A pair (X,Y)  of Banach spaces has the weak maximizing property
(wmp) if any bounded linear operator T:X \to Y   attains its norm  provided
there is a  non weakly-null maximizing sequence.

Our intentions are to
(i) explain the italicised words in the previous sentence,
(ii) describe the relation between the ``wmp'' and reflexivity, and
(iii) discuss some open problems.

title:: ANALYSIS SEMINAR
content:: R. Aron  will speak on
:: Reflexivity and norm attaining operators
date-time:: Tuesday 6th  April, 2021  at 4.00pm
location::
https://ucd-ie.zoom.us/j/62488055816?pwd=SUEranJlQmFNT3M0aUw2NTRIaFpzZz09
endevent:

--000000000000ea8af705bee5fada
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Speaker:=C2=A0 Richard=C2=A0 Aron (Kent, Ohio)

Title: Reflexivity and norm attaining operators

https://ucd-ie.zoom.us/j/62488055816?pwd=3DSUEranJlQmFNT3M0aUw2NTRIaF=
pzZz09

<=
div><=
span>Abstract: This is joint work with Domingo Garc\'ia, Daniel Pellegr=
ino, and Eduardo Teixeira (Proc. AMS (2020)).=C2=A0 We discuss a property c=
alled ``wmp,'' =C2=A0related to reflexivity, that has=C2=A0 applica=
tions to norm attaining operators. A pair (X,Y)=C2=A0 of Banach spaces has =
the weak maximizing property (wmp) if any bounded linear operator T:X \to Y=
=C2=A0=C2=A0 attains its norm=C2=A0 provided there is a=C2=A0 non weakly-nu=
ll maximizing sequence.
	 
	 Our intentions are to 
=
(i) explain the italicised words in the previous sentenc=
e, 
(ii) describe the relation between =
the ``wmp'' and reflexivity, and 
(iii) discuss some open problems.

title:: ANALYS=
IS SEMINAR

content:: R. Aron=C2=A0 will speak on

:: Reflexivity and norm attaining operators

date-time:: Tuesday 6th=C2=A0 April, 2021=C2=A0 at 4.00pm
location::https://ucd-ie.zoom.us/j/62488055816=
?pwd=3DSUEranJlQmFNT3M0aUw2NTRIaFpzZz09
=
endevent:

<=
table class=3D"gmail-cf gmail-gJ" cellpadding=3D"0"><=
/table>

=




--000000000000ea8af705bee5fada--

From owner-mathdep LISTSERV.HEANET.IE  Fri Apr  2 08:47:13 2021
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Date:         Fri, 2 Apr 2021 07:46:00 +0000
Reply-To:     Kazim Buyukboduk 
Sender:       UCD Maths Department Distribution List 
From:         Kazim Buyukboduk 
Subject: maths: Algebra and Number Theory seminar, Thu 8th Apr 2021
To:           MATHDEP LISTSERV.HEANET.IE
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UCD School of Mathematics and Statistics - Seminar Notice


	*Speaker:* Giada Grossi (Paris 13)

	*Title:* The [image: p]-part of BSD for rational elliptic curves at
Eisenstein primes


	*Date:* Thu 8th Apr 2021

	*Time:* 2:00PM

	*Location:* Online
*Abstract:* Let [image: E] be an elliptic curve over the rationals and
[image: p] an odd prime such that E admits a rational [image:
p]-isogeny satisfying some assumptions. In joint work with F.
Castella, J. Lee, and C. Skinner, we study the anticyclotomic Iwasawa
theory for [image: E/K] for some suitable quadratic imaginary field
[image: K]. I will give a general introduction to Iwasawa theory and
to how it can be used to obtain results about the
Birch--Swinnerton-Dyer conjecture. In particular, I will talk about
how our results, combined with complex and [image: p]-adic
Gross-Zagier formulae, allow us to prove a [image: p]-converse to the
theorem of Gross--Zagier and Kolyvagin and the [image: p]-part of the
Birch=E2=80=93Swinnerton-Dyer formula in analytic rank 1 for elliptic curve=
s
as above.


*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:: The p-part of BSD for rational elliptic curves at Eisenstein primes
content:: Giada Grossi (Paris 13)
:: UCD Algebra and Number Theory seminar
(http://maths.ucd.ie/seminarseries/Algebra)
location:: Online
date-time:: Thu 8th April 2021 at 2:00PM

--000000000000c647ca05bef88b90
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

UC=
D School of Mathematics and Statistics - Seminar Notice

=20
	Speaker: Giada Grossi (Paris 13)
=20
	Title: The -part of BSD for rational ell=
iptic curves at Eisenstein primes

=20
	Date: Thu 8th Apr 2021
=20
	Time: 2:00PM=20
=20
	Location: Online

Abstract: Let  be an elliptic curve over t=
he rationals and  an odd prime such that E admits=
 a rational -isogeny satisfying some assumptions.=
 In joint work with F. Castella, J. Lee, and C. Skinner, we study the antic=
yclotomic Iwasawa theory for  for some suita=
ble quadratic imaginary field . I will give a general introduction to Iwasa=
wa theory and to how it can be used to obtain results about the Birch--Swin=
nerton-Dyer conjecture. In particular, I will talk about how our results, c=
ombined with complex and -adic Gross-Zagier for=
mulae, allow us to prove a -converse to the theo=
rem of Gross--Zagier and Kolyvagin and the -part =
of the Birch=E2=80=93Swinnerton-Dyer formula in analytic rank 1 for ellipti=
c curves as above.

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:: The p-part of BSD for rational elliptic curves at Eisenstein primes
content:: Giada Grossi (Paris 13)
:: UCD Algebra and Number Theory seminar (http://maths.ucd.ie/seminarseries/Al=
gebra)=20
location:: Online
date-time:: Thu 8th April 2021 at 2:00PM  

--000000000000c647ca05bef88b90--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr  5 09:44:46 2021
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Date:         Mon, 5 Apr 2021 09:44:03 +0100
Reply-To:     Tristan McLoughlin 
Sender:       UCD Maths Department Distribution List 
From:         Tristan McLoughlin 
Subject: maths: Dublin Theoretical Physics Colloquium, April 7
To:           MATHDEP LISTSERV.HEANET.IE
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DUBLIN THEORETICAL PHYSICS COLLOQUIUM

Wednesday, 7 April  2021, 16:00

Speaker: Andrea Puhm (Ecole Polytechnique, CPHT)

Title: Celestial Diamonds

Abstract: Celestial holography asserts that the quantum gravity S-matrix 
in asymptotically flat space is dual to a codimension two conformal 
field theory living on the celestial sphere. To understand the nature of 
the holographic map I will focus on the celestial building blocks given 
by conformal primary wavefunctions which are boost rather than energy 
eigenstates and whose novel generalization captures ultra-boosted black 
holes, shockwaves and other interesting bulk metrics. Examining the 
structure of global conformal multiplets in 2D celestial CFT reveals the 
power of symmetry to organize socalled conformally soft behavior and 
ties together questions about the vacuum structure of asymptotically 
flat spacetimes, constraints on celestial amplitudes, and intrinsically 
2D effective descriptions of celestial CFT. We refer to the nested 
structure of primary descendants as ‘celestial diamonds’ and show that 
their corners are related to the factorization theorems of celestial 
correlators, soft charges for spontaneously broken asymptotic symmetries 
and conformal dressings for amplitudes.

All are welcome to join us online, see zoom details below.

Topic: Dublin Area Theoretical Physics Colloquium: A. Puhm
Time: Apr 7, 2021 04:00 PM Dublin

Join Zoom Meeting
https://tcd-ie.zoom.us/j/95166000595?pwd=YXJPK2RoUlc4SklMZEszeTZmMGVIZz09

Meeting ID: 951 6600 0595
Passcode: 128920


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

title:: Dublin Theoretical Physics Colloquium

content:: Andrea Puhm (Ecole Polytechnique, CPHT)

:: Celestial Diamonds

date-time:: 7 April 2021 at 16:00

location:: Online

endevent::


--------------2F8886824F71B38264A22816
Content-Type: text/html; charset=utf-8
Content-Transfer-Encoding: 8bit


  

    
  
  
    DUBLIN THEORETICAL PHYSICS COLLOQUIUM
    Wednesday, 7 April  2021, 16:00
    Speaker: Andrea Puhm (Ecole Polytechnique,
      CPHT)

    
    Title: Celestial Diamonds
    
    Abstract: Celestial holography asserts that the quantum gravity
      S-matrix in asymptotically flat space is dual to a codimension two
      conformal field theory living on the celestial sphere. To
      understand the nature of the holographic map I will focus on the
      celestial building blocks given by conformal primary wavefunctions
      which are boost rather than energy eigenstates and whose novel
      generalization captures ultra-boosted black holes, shockwaves and
      other interesting bulk metrics. Examining the structure of global
      conformal multiplets in 2D celestial CFT reveals the power of
      symmetry to organize socalled conformally soft behavior and ties
      together questions about the vacuum structure of asymptotically
      flat spacetimes, constraints on celestial amplitudes, and
      intrinsically 2D effective descriptions of celestial CFT. We refer
      to the nested structure of primary descendants as ‘celestial
      diamonds’ and show that their corners are related to the
      factorization theorems of celestial correlators, soft charges for
      spontaneously broken asymptotic symmetries and conformal dressings
      for amplitudes.
    
    All are welcome to join us online, see zoom details below.

      

      Topic: Dublin Area Theoretical Physics Colloquium: A. Puhm

      Time: Apr 7, 2021 04:00 PM Dublin

      

      Join Zoom Meeting

https://tcd-ie.zoom.us/j/95166000595?pwd=YXJPK2RoUlc4SklMZEszeTZmMGVIZz09

      

      Meeting ID: 951 6600 0595

      Passcode: 128920

      

      

    
    =====================
     
    title:: Dublin Theoretical Physics Colloquium
    content:: Andrea Puhm (Ecole Polytechnique,
      CPHT)

    
    :: Celestial Diamonds
    date-time:: 7 April 2021 at 16:00
    location:: Online
    endevent::
     
  


--------------2F8886824F71B38264A22816--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr  5 16:04:46 2021
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Date:         Mon, 5 Apr 2021 16:04:04 +0100
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Subject: maths: UCD Applied & Computational Mathematics Seminar, April 8, at 11am
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Dear all,
(Apologies for cross-posting)

The UCD Applied and Computational Maths Seminar Series =
(https://maths.ucd.ie/ACMSeminars/2021/ =
) continues on Zoom on Thursday =
April 8, at 11am. Carsten Gundlach (University of Southhampton) will =
present his recent work on critical phenomena in gravitation collapse.

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: Carsten Gundlach (University of Southhampton)
Time: Thursday, April 8 at 11am
Location:: Zoom (meeting ID: 933 1387 1404, password: 040190) =
https://ucd-ie.zoom.us/j/93313871404?pwd=3Dc3BDZUdVZHExQlNJcmxPOTFDY2FoUT0=
9 =

Title: Critical collapse in 2+1 dimensions=20

Abstract:=20
I compare collapse simulations in spherical symmetry in 2+1 dimensions =
(with negative cosmological constant): massless scalar field matter =
(with Joanna Jalmuzna), and a perfect fluid with ultrarelativistic =
equation of state (with Patrick Bourg). We find type II critical =
phenomena, which implies that naked singularities form from regular =
initial data right at the threshold of collapse, but the critical =
solutions are not self-similar, in different ways.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=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:: 8th April 2021 at 11:00
content:: Carsten Gundlach (University of Southhampton) will present his =
recent work on critical phenomena in gravitation collapse. See the =
seminar webpage for more details https://maths.ucd.ie/ACMSeminars/2021/ =



--Apple-Mail=_4B47F25D-4BBA-4DE4-909F-161C33C695B0
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 on Thursday April 8, at 11am. Carsten =
Gundlach (University of Southhampton) will present his recent work =
on critical phenomena in gravitation collapse.

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: Carsten =
Gundlach (University of Southhampton)
Time: Thursday, April 8 at 11am
Location:: Zoom (meeting ID: 933 1387 =
1404, password: 040190) https://ucd-ie.zoom.us/j/93313871404?pwd=3Dc3BDZUdVZHExQlNJcmxPOTFD=
Y2FoUT09
Title: Critical =
collapse in 2+1 dimensions 

Abstract: 
I compare collapse =
simulations in spherical symmetry in 2+1 dimensions (with negative =
cosmological constant): massless scalar field matter (with Joanna =
Jalmuzna), and a perfect fluid with ultrarelativistic equation of =
state (with Patrick Bourg). We find type II critical phenomena, which =
implies that naked singularities form from regular initial data =
right at the threshold of collapse, but the critical solutions are =
not self-similar, in different ways.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=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:: 8th April =
2021 at 11:00
content:: Carsten Gundlach (University of Southhampton) =
will present his recent work on critical phenomena in gravitation =
collapse. See the seminar webpage for more =
details https://maths.ucd.ie/ACMSeminars/2021/<=
/pre>

=

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From:         "Denjoe O'Connor" 
Subject: maths: DIAS Zoominar Wed March 7th at 14:30 speaker Miguel Montero
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Dear Colleagues,
                 please join us for our upcoming Theoretical Physics Seminar on
Wednesday March 7th by Miguel Montero

Date: Wednesday 7th March
Time: 14:30
https://zoom.us/j/417720461?pwd=dTdNdXBpU2EweU9mM3VNWEUyU01odz09
Meeting ID: 417 720 461
Password: 107981

                        Miguel Montero

                      Harvard University


Title: The Swampland and string universality

Abstract: The Swampland program aims to determine which effective field 
theories can arise as the low-energy limit of a consistent quantum theory 
of gravity, using general principles such as absence of global symmetries 
or unitarity. I will provide a brief introduction to the program and 
describe a recent application of the principles which, in combination with 
supersymmetry, can be used to shown that the only consistent low-energy 
limit of theories of gravity in more than 7 dimensions are exactly those 
predicted by string theory, as well as briefly comment on consequences for 
the Standard Model.


Upcoming:
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 Apr  6 00:52:01 2021
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Date:         Tue, 6 Apr 2021 00:51:31 +0100
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From:         "Denjoe O'Connor" 
Subject: maths: DIAS Zoominar Wed April 7th at 14:30 speaker Miguel Montero
To:           MATHDEP LISTSERV.HEANET.IE
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Dear Colleagues,
                 please join us for our upcoming Theoretical Physics Seminar on
Wednesday April 7th by Miguel Montero

Date: Wednesday 7th April
Time: 14:30
https://zoom.us/j/417720461?pwd=dTdNdXBpU2EweU9mM3VNWEUyU01odz09
Meeting ID: 417 720 461
Password: 107981

                        Miguel Montero

                      Harvard University


Title: The Swampland and string universality

Abstract: The Swampland program aims to determine which effective field 
theories can arise as the low-energy limit of a consistent quantum theory of 
gravity, using general principles such as absence of global symmetries or 
unitarity. I will provide a brief introduction to the program and describe a 
recent application of the principles which, in combination with supersymmetry, 
can be used to shown that the only consistent low-energy limit of theories of 
gravity in more than 7 dimensions are exactly those predicted by string theory, 
as well as briefly comment on consequences for the Standard Model.


Upcoming:
Katrin Wendland     Apr 14th
Dario Bercioux      Apr 21st
David Huse          Apr 28th

Anastasia Volovich    May
Sakura Schafer-Nameki May

With best wishes,
Denjoe.

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Message-ID:  
Date:         Tue, 6 Apr 2021 08:20:10 +0000
Reply-To:     "Romina.Gaburro" 
Sender:       UCD Maths Department Distribution List 
From:         "Romina.Gaburro" 
Subject: Maths: MACSI Zoom seminar, Friday, April 9th at 15.00.
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Content-Type: text/plain; charset="iso-8859-1"
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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 Marco Marletta (Cardiff Universit=
y) this Friday the 9th of April. Please find below the details of the semin=
ar.



The Meeting ID will be emailed on Friday morning.


Date:  Friday, April 9, 2021 at 15.00.


Speaker: Prof. Marco Marletta (School of Mathematics, Cardiff University, U=
K).

Title: An inverse problem in electromagnetism with partial data.

Abstract:
We consider the problem of detemining the permeability, permittivity and co=
nductivity in a time-harmonic Maxwell system from measurements of the tange=
ntial components of the electric and magnetic fields, taken on an arbitrari=
ly small, open subset of the boundary. We prove that under suitable hypothe=
ses the problem has a unique solution. The key to the proof is a Runge-type=
 theorem, which depends on a unique continuation principle.

This problem arises from applications to Magnetic Induction Tomography (MIT=
) and our work was part of a joint project with Paul Ledger in Swansea Scho=
ol of Engineering (now in Keele).

The results discussed in this seminar were funded by EPSRC grant EP/K024078=
/1 and published in a joint paper with Malcolm Brown and Juan Manuel Reyes =
Gonzales, https://doi.org/10.1016/j.jde.2016.01.002



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_AM6PR03MB38932B7A31FBB5A321338B0187769AM6PR03MB3893eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable








Dear All, 








&=
nbsp;

the=
 next MACSI Zoom seminar at the Department of Mathematics and Sta=
tistics, University of Limerick will be given by Marco Marletta (Cardiff University) this Friday
 the 9th of April. Please find below the details of the sem=
inar. 

&=
nbsp;

The=
 Meeting ID will be emailed on Friday morning.  =







Date:  Friday,
 April 9, 2021 at 15.00.<=
/p>






Speaker: Prof.
 Marco Marletta (School of Mathematics, Cardiff University, UK).








Title:
 An inverse problem in electromagnetism with partial data. 




Abstract: 
We c=
onsider the problem of detemining the permeability, permittivity and conduc=
tivity in a time-harmonic Maxwell
 system from measurements of the tangential components of the electric and =
magnetic fields, taken
on an arbitrarily small, open subset of the =
boundary. We prove that under suitable hypotheses the problem
has a unique solution. The key to the proof =
is a Runge-type theorem, which depends on a unique continuation principle.




This problem arises from =
applications to Magnetic Induction Tomography (MIT) and our work was part o=
f a
 joint project with Paul Ledger in Swansea School of Engineering (now in Ke=
ele). 



The results discussed in =
this seminar were funded by EPSRC grant EP/K024078/1
 and published in a joint paper with Malcolm
 Brown and Juan Manuel Reyes Gonzales, <=
span style=3D"font-family:Calibri,Helvetica,sans-serif; font-size:12pt">htt=
ps://doi.org/10.1016/j.jde.2016.01.002







&n=
bsp;



=
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;







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








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_AM6PR03MB38932B7A31FBB5A321338B0187769AM6PR03MB3893eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Tue Apr  6 14:13:37 2021
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Subject: maths: INAF seminar, Thu 8-Apr, E. Georgoulis (Leicester)
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Irish Numerical Analysis Forum (INAF) seminar series https://staff.ul.ie/natalia/inaf

Thu 8 April 2021, 14:00 (Dublin)

Emmanuil (Manolis) Georgoulis (University of Leicester/National Technical University of Athens)

hp-Version discontinuous Galerkin methods on arbitrarily-shaped elements

We extend the applicability of the popular interior-penalty discontinuous Galerkin (dG) method discretizing advection-diffusion-reaction problems to meshes comprising extremely general, essentially arbitrarily-shaped element shapes. In particular, our analysis allows for curved element shapes, without the use of nonlinear elemental maps. The feasibility of the method relies on the definition of a suitable choice of the discontinuity penalization, which turns out to be explicitly dependent on the particular element shape, but essentially independent on small shape variations. This is achieved upon proving extensions of classical inverse estimates to arbitrary element shapes. These inverse estimates may be of independent interest. A priori error bounds for the resulting method are given under very mild structural assumptions restricting the magnitude of the local curvature of element boundaries. We further discuss the applicability of this new framework within adaptive algorithms and discuss briefly the proof of a posteriori error bounds.

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:: E. Georgoulis (Leicester)
:: hp-Version discontinuous Galerkin methods on arbitrarily-shaped elements
date-time:: Thursday 8 April at 14:00 (Dublin)
location:: zoom---register at https://staff.ul.ie/natalia/inaf
endevent::
 

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From:         George Rogers 
Subject: Maths: STP, DIAS - Summer Studentships 2021
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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.

-- 
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:         Fri, 9 Apr 2021 07:31:34 +0000
Reply-To:     "Romina.Gaburro" 
Sender:       UCD Maths Department Distribution List 
From:         "Romina.Gaburro" 
Subject: Maths: MACSI Zoom seminar, TODAY, April 9th at 15.00.
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--_000_AM6PR03MB38937C211002CD06FE11CD0C87739AM6PR03MB3893eurp_
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

Dear All,



the next MACSI Zoom seminar at the Department of Mathematics and Statistics=
, University of Limerick will be given by Marco Marletta (Cardiff Universit=
y) TODAY, Friday the 9th of April. Please find below the details of the sem=
inar.



Join Zoom Meeting
https://zoom.us/j/91567369690?pwd=3DdmhpeGJIeHZROTIzWG1lSE9CZFgrQT09

Meeting ID: 915 6736 9690
Passcode: 105575

 Date:  Friday, April 9, 2021 at 15.00.


Speaker: Prof. Marco Marletta (School of Mathematics, Cardiff University, U=
K).

Title: An inverse problem in electromagnetism with partial data.

Abstract:
We consider the problem of detemining the permeability, permittivity and co=
nductivity in a time-harmonic Maxwell system from measurements of the tange=
ntial components of the electric and magnetic fields, taken on an arbitrari=
ly small, open subset of the boundary. We prove that under suitable hypothe=
ses the problem has a unique solution. The key to the proof is a Runge-type=
 theorem, which depends on a unique continuation principle.

This problem arises from applications to Magnetic Induction Tomography (MIT=
) and our work was part of a joint project with Paul Ledger in Swansea Scho=
ol of Engineering (now in Keele).

The results discussed in this seminar were funded by EPSRC grant EP/K024078=
/1 and published in a joint paper with Malcolm Brown and Juan Manuel Reyes =
Gonzales, https://doi.org/10.1016/j.jde.2016.01.002



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_AM6PR03MB38937C211002CD06FE11CD0C87739AM6PR03MB3893eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable








Dear All, 










&=
nbsp;

the=
 next MACSI Zoom seminar at the Department of Mathematics and Sta=
tistics, University of Limerick will be given by Marco Marletta (Cardiff University) TODAY,
 Friday the 9th of April. Please find below the details of the&n=
bsp;seminar. 

&=
nbsp;




Join Zoom Meeting

ht=
tps://zoom.us/j/91567369690?pwd=3DdmhpeGJIeHZROTIzWG1lSE9CZFgrQT09



Meeting ID: 915 6736 9690

Passcode: 105575




 <=
span style=3D"font-family:Calibri,Helvetica,sans-serif; color:black">Date:<=
/span>  Friday,
 April 9, 2021 at 15.00.








Speaker: Prof.
 Marco Marletta (Scho=
ol of Mathematics, Cardiff University, UK).









Title: An inverse problem in electromagnetism with parti=
al data. 



Abstract:<=
/b> 

We consider the problem of det=
emining the permeability, permittivity and conductivity in a time-harmonic<=
/span> Maxwell
 system from measurements of the tangential components of the electric and =
magnetic fields, taken
on an arbitrarily small, open subset of the boundary. We prove that un=
der suitable hypotheses the problem
has a unique solution. The key to the proof is a Runge-type theorem, w=
hich depends on a unique continuation principle.




This problem arises from applications to Magnetic I=
nduction Tomography (MIT) and our work was part of a
 joint project with Paul Ledger in Swansea School of Engineering (now in Ke=
ele). 



The results discussed in this seminar were funded b=
y EPSRC grant EP/K024078/1
 and published in a joint paper with Malcolm
 Brown and Juan Manuel Reyes Gonzales, <=
span style=3D"font-family:Calibri,Helvetica,sans-serif; font-size:12pt">htt=
ps://doi.org/10.1016/j.jde.2016.01.002







&n=
bsp;



=
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;







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








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_AM6PR03MB38937C211002CD06FE11CD0C87739AM6PR03MB3893eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Fri Apr  9 08:52:25 2021
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Date:         Fri, 9 Apr 2021 07:51:00 +0000
Reply-To:     Kazim Buyukboduk 
Sender:       UCD Maths Department Distribution List 
From:         Kazim Buyukboduk 
Subject: maths: Algebra and Number Theory seminar, Thu 15th Apr 2021
To:           MATHDEP LISTSERV.HEANET.IE
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--00000000000058dae005bf856f0b
Content-Type: text/plain; charset="UTF-8"

UCD School of Mathematics and Statistics - Seminar Notice


	*Speaker:* Violetta Weger (Zurich)

	*Title:* Local-to-global principle for densities


	*Date:* Thu 15th Apr 2021

	*Time:* 2:00PM

	*Location:* Online
*Abstract:* Given a subset T of the integers, a natural question to
ask is: "how likely is it that a randomly chosen integer lives in T?"
Due to the lack of a uniform probability distribution over the
integers, the notion of density was introduced to answer this
question. In this talk, we will see some properties and some first
computations of densities. A famous example we will encounter is the
Mertens-Cesaro Theorem, which states that the density of coprime pairs
is [image: 6/\pi^2]. However, the more interesting the examples
become, the harder becomes the computation of their densities. We will
hence study one of the main tools to compute such densities, namely
the local-to-global principle. This principle was introduced by Poonen
and Stoll and allows to compute the densities of certain sets by
characterizing them locally, i.e., over the [image: p]-adic integers.

We then expand our initial question and ask for the mean corresponding
to the density. For example, the expected number of primes for which
an Eisenstein polynomial satisfies the criterion of Eisenstein was
recently computed through long analytical computations. However, the
mean (and the variance) corresponding to the density are given
directly through the local characterization, thus providing an
addendum to the local-to-global principle.


*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:: Local-to-global principle for densities
content:: Violetta Weger (Zurich)
:: UCD Algebra and Number Theory seminar
(http://maths.ucd.ie/seminarseries/Algebra)
location:: Online
date-time:: Thu 15th April 2021 at 2:00PM

--00000000000058dae005bf856f0b
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

UCD School of Mathematics and Statistics - Seminar Notic=
e

=20
	Speaker: Violetta Weger (Zurich)
=20
	Title: Local-to-global principle for densities

=20
	Date: Thu 15th Apr 2021
=20
	Time: 2:00PM=20
=20
	Location: Online

Abstract: Given a subset T of the integers, a natural question to as=
k is: "how likely is it that a randomly chosen integer lives in T?&quo=
t; Due to the lack of a uniform probability distribution over the integers,=
 the notion of density was introduced to answer this question. In this talk=
, we will see some properties and some first computations of densities. A f=
amous example we will encounter is the Mertens-Cesaro Theorem, which states=
 that the density of coprime pairs is . However, the more interesting the examples become, the harder bec=
omes the computation of their densities. We will hence study one of the mai=
n tools to compute such densities, namely the local-to-global principle. Th=
is principle was introduced by Poonen and Stoll and allows to compute the d=
ensities of certain sets by characterizing them locally, i.e., over the -adic integers. 
We then expand our initial question and ask for t=
he mean corresponding to the density. For example, the expected number of p=
rimes for which an Eisenstein polynomial satisfies the criterion of Eisenst=
ein was recently computed through long analytical computations. However, th=
e mean (and the variance) corresponding to the density are given directly t=
hrough the local characterization, thus providing an addendum to the local-=
to-global principle.

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:: Local-to-global principle for densities
content:: Violetta Weger (Zurich)
:: UCD Algebra and Number Theory seminar (http://maths.ucd.ie/seminarseries/Al=
gebra)=20
location:: Online
date-time:: Thu 15th April 2021 at 2:00PM  
=



--00000000000058dae005bf856f0b--

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Date:         Fri, 9 Apr 2021 08:48:01 +0000
Reply-To:     Niamh Cahill 
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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 14th April 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 Michael Grove, University of Birmingham

Title: Approaches to feedback in the mathematical sciences: just what do st=
udents really think?

Click to join: Click here to join the meeting

Abstract: Within the mathematical sciences there exist particular challenge=
s associated with the provision of timely and detailed feedback, both of wh=
ich are important given the widespread use of formative, and typically week=
ly, problem sheet assessments to aid and structure the mathematical develop=
ment of learners. In this talk I will report on the outcomes from a cycle o=
f action research that was designed to enhance the feedback received by stu=
dents and their subsequent engagement with it in a large research-intensive=
 mathematical sciences department. Student views on the current feedback th=
ey receive will be discussed, but more broadly the findings offer insight i=
nto alternative feedback practices that mathematical sciences departments m=
ight wish to explore.

___________________________________________________________________________=
___
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 14th
April 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 Michael Grove, University =
of Birmingham<=
/p>
 
Title: Approaches to feedback in the mathema=
tical sciences: just what do students really think?
 
Click to join: 
Click
 here to join the meeting
 
Abstract: Within the mathematical sciences t=
here exist particular challenges associated with the provision of timely an=
d detailed feedback, both of which are important
 given the widespread use of formative, and typically weekly, problem sheet=
 assessments to aid and structure the mathematical development of learners.=
 In this talk I will report on the outcomes from a cycle of action research=
 that was designed to enhance the
 feedback received by students and their subsequent engagement with it in a=
 large research-intensive mathematical sciences department. Student views o=
n the current feedback they receive will be discussed, but more broadly the=
 findings offer insight into alternative
 feedback practices that mathematical sciences departments might wish to ex=
plore.


_____________________________________________=
_________________________________

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 Apr  9 15:16:03 2021
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Date:         Fri, 9 Apr 2021 15:15:42 +0100
Reply-To:     Guy 
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From:         Guy 
Subject: maths: TCD Mathematical Physics Journal Club Monday   2 p.m.
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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 of a pair on open quantum systems.

Monday 12th April - Chiara Paletta will give an introduction to open 
quantum systems, based on 1707.07895  
and 1906.04478 

Monday 19th April - Marius de Leeuw will give a presentation based on 
1606.09122  and 2004.05955 


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

--------------C1A4EE14177AB187726CB33A
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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 of a pair on open
      quantum systems.

    
    Monday 12th April - Chiara Paletta will give an introduction to
      open quantum systems, based on 1707.07895 and 1906.04478

    
    Monday 19th April - Marius de Leeuw will give a presentation
      based on 1606.09122 and 2004.05955

    
    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
  


--------------C1A4EE14177AB187726CB33A--

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From:         "Romina.Gaburro" 
Subject: Maths: MACSI Zoom seminar, Friday, April 16th 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 Chico Camargo (University of Exet=
er) this Friday the 16th of April. Please find below the details of the sem=
inar.



The Meeting ID will be emailed on Friday morning.


Date:  Friday, April 16, 2021 at 15.00.


Speaker: Dr. Chico Camargo (Department of Computer Science, University of E=
xeter, UK).

Title: Computational social science of the public mind's eye: from data sci=
ence to theory building.

Abstract:
Over the last decades, computational social science has risen as a strongly=
 empirical discipline, drawing on data science methods to tackle datasets t=
hat cannot be understood with simple analytical tools. This is particularly=
 true in the study of public attention and news coverage: there are numerou=
s studies looking at Internet search queries and online petitions, or apply=
ing natural language processing to news articles or social media activity. =
In other words, it is now possible to quantify, to a degree, what people ar=
e thinking and talking about=97anywhere from books to news to online social=
 networks.
But is that all there is? Is computational social science just a collection=
 of ways to measure things about society? Or can it also push for further t=
heoretical development? In this talk, we'll be discussing some examples whe=
re we try to do both: serious computational work, and serious theory-inform=
ed, data-driven, model-based, computationally-heavy, social science.



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_AM6PR03MB389373EA88EF12E41FF3ACB287709AM6PR03MB3893eurp_
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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 Chico Camargo (University of Exeter) this
 Friday the 16th of April. Please find below the details of the&=
nbsp;seminar. 

&=
nbsp;

The=
 Meeting ID will be emailed on Friday morning.  =







Date:  Friday,
 April 16, 2021 at 15.00.=







Speaker: Dr.
 Chico Camargo (Depar=
tment of Computer Science, University of Exeter, UK).









Title: Computational
 social science of the public mind's eye: from data science to theory build=
ing.





Abstract:

Over the last decades, computational social science has risen as a strongly=
 empirical discipline, drawing on data science methods to tackle datasets t=
hat cannot be understood with simple analytical tools. This is particularly=
 true in the study of public attention
 and news coverage: there are numerous studies looking at Internet search q=
ueries and online petitions, or applying natural language processing to new=
s articles or social media activity. In other words, it is now possible to =
quantify, to a degree, what people
 are thinking and talking about=97anywhere from books to news to online soc=
ial networks.

But is that all there is? Is computati=
onal social science just a collection of ways to measure things about socie=
ty? Or can it also push for further
 theoretical development? In this talk, we'll be discussing some examples w=
here we try to do both: serious computational work, and serious theory-info=
rmed, data-driven, model-based, computationally-heavy, social science.








=






=
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;







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








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_AM6PR03MB389373EA88EF12E41FF3ACB287709AM6PR03MB3893eurp_--

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From:         Andrei Parnachev 
Subject: maths: Dublin Theoretical Physics Colloquium, April 14
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DUBLIN THEORETICAL PHYSICS COLLOQUIUM

Wednesday, 14 April  2021, 16:00



Speaker: Matthew Walters (EPFL Lausanne)

Title: Stress Tensor Light-ray Operators and Universality in
Higher-Dimensional CFTs




Abstract: As is well-known, two-dimensional CFTs possess an
infinite-dimensional Virasoro symmetry, which is directly connected to the
universal structure of 3d gravity via holography. It is natural to ask
whether higher-dimensional CFTs possess similar constrained structure,
especially those which are dual to semi-classical gravity (so-called "large
N, large gap" theories). As I will argue, a natural set of observables for
exploring this question are light-ray operators built from the
stress-energy tensor. After introducing the general structure of such
light-ray operators, I will consider their commutation relations within
correlation functions, focusing on the concrete examples of free field
theory and CFTs dual to semi-classical gravity. In the latter example, I
will show that such light-ray operators are dual to new "shockwave-like"
solutions to Einstein equations. Finally, I will demonstrate that while a
naive generalization of the Virasoro algebra to higher-dimensional theories
fails, we obtain a toy "information paradox" for holographic theories,
where a low-energy observable appears to be sensitive to nonperturbative
gravitational effects






 All are welcome to join us online, see zoom details below.


Topic: Dublin Theoretical Physics Colloquium
Time: Apr 14, 2021 04:00 PM Dublin

Join Zoom Meeting
https://tcd-ie.zoom.us/j/95261199290?pwd=RThlM2ptMUtubms0YlBPd01OdExpQT09

Meeting ID: 952 6119 9290
Passcode: 453208



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



title:: Dublin Theoretical Physics Colloquium

content:: Matthew Walters (EPFL Lausanne)

:: Stress Tensor Light-ray Operators and Universality in Higher-Dimensional
CFTs

date-time::14 April 2021 at 16:00

location:: Online

endevent::

--0000000000004dcd3b05bfc226a7
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


=


DUBLIN =
THEORETICAL PHYSICS COLLOQUIUM
Wedn=
esday, 14 April =C2=A02021, 16:00
=
=C2=A0
Speaker:=C2=A0Matthew Walters (EPFL Lausanne)
Title:=C2=A0Stress Tensor Light-ray Operators and Universalit=
y in Higher-Dimensional CFTs


=C2=A0
Abstract:=C2=A0As is well-known, two-dimensional CFTs possess an infi=
nite-dimensional Virasoro symmetry, which is directly connected to the univ=
ersal structure of 3d gravity via holography. It is natural to ask whether =
higher-dimensional CFTs possess similar constrained structure, especially t=
hose which are dual to semi-classical gravity (so-called "large N, lar=
ge gap" theories). As I will argue, a natural set of observables for e=
xploring this question are light-ray operators built from the stress-energy=
 tensor. After introducing the general structure of such light-ray operator=
s, I will consider their commutation relations within correlation functions=
, focusing on the concrete examples of free field theory and CFTs dual to s=
emi-classical gravity. In the latter example, I will show that such light-r=
ay operators are dual to new "shockwave-like" solutions to Einste=
in equations. Finally, I will demonstrate that while a naive generalization=
 of the Virasoro algebra to higher-dimensional theories fails, we obtain a =
toy "information paradox" for holographic theories, where a low-e=
nergy observable appears to be sensitive to nonperturbative gravitational e=
ffects




=C2=A0
=C2=A0All are welc=
ome to join us online, see zoom details below.

Topic: Dublin Theoretical =
Physics Colloquium
Time: Apr 14, 2021 04:00 PM Dublin=

Join Zoom Meeting
https://tcd-ie.zoom.us/j/9526=
1199290?pwd=3DRThlM2ptMUtubms0YlBPd01OdExpQT09
Meeting ID: 952 6119 9290
Pa=
sscode: 453208



=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
=C2=A0
title:: Dubli=
n Theoretical Physics Colloquium
co=
ntent::=C2=A0Matthew Walters (EPFL Lausanne)
::=C2=A0Stress Tensor Light-ray Operators and Universality in Higher-Dime=
nsional CFTs
date-time::14 April 2021 at 1=
6:00
location:: Online
endevent::
=C2=A0
=C2=A0
=










--0000000000004dcd3b05bfc226a7--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 12 09:30:05 2021
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Date:         Mon, 12 Apr 2021 09:29:37 +0100
Reply-To:     Martin Kerin 
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From:         Martin Kerin 
Subject: maths: Irish Geometry Seminar, Tuesday, 12 April, 2pm
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Dear all,

This week's talk in the Irish Geometry Seminar will take place at *2pm 
on Tuesday, 12 April*.

-----------------------------
_Speaker:_ Martin Kilian (University College Cork)
_
__Title:_ Integrable systems methods for constant mean curvature surfaces_
__Abstract:_ I will survey some of the recent progress made in 
developing the theory of constant mean curvature surfaces.

_Zoom details:_
Direct link: 
https://nuigalway-ie.zoom.us/j/95219875196?pwd=dG5FMldKaEd4aVhHUkpWUWJ1c0h6Zz09

Meeting ID: 952 1987 5196
Passcode: 847945
-----------------------------

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

--------------258142705E603629984EE692
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    Dear all,

    

    This week's talk in the Irish Geometry Seminar will take place at 2pm
      on Tuesday, 12 April.

    

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

    Speaker: Martin Kilian (University College Cork)

    

    Title: Integrable systems methods for constant mean
    curvature surfaces

    Abstract: I will survey some of the recent progress made
    in developing the theory of constant mean curvature surfaces.

    

    Zoom details:

    Direct link:
https://nuigalway-ie.zoom.us/j/95219875196?pwd=dG5FMldKaEd4aVhHUkpWUWJ1c0h6Zz09

    

    Meeting ID: 952 1987 5196

    Passcode: 847945

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

    

    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
  


--------------258142705E603629984EE692--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 12 09:38:35 2021
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From:         Martin Kerin 
Subject: maths: Irish Geometry Seminar, Tuesday, 13 April, 2pm
To:           MATHDEP LISTSERV.HEANET.IE
Precedence: list
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--------------36871B8F7687925CDD1A0151
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**Apologies for the incorrect date in the previous email**

Dear all,

This week's talk in the Irish Geometry Seminar will take place at *2pm 
on Tuesday, 13 April*.

-----------------------------
_Speaker:_ Martin Kilian (University College Cork)
_
__Title:_ Integrable systems methods for constant mean curvature surfaces_
__Abstract:_ I will survey some of the recent progress made in 
developing the theory of constant mean curvature surfaces.

_Zoom details:_
Direct link: 
https://nuigalway-ie.zoom.us/j/95219875196?pwd=dG5FMldKaEd4aVhHUkpWUWJ1c0h6Zz09

Meeting ID: 952 1987 5196
Passcode: 847945
-----------------------------

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

--------------36871B8F7687925CDD1A0151
Content-Type: text/html; charset=utf-8
Content-Transfer-Encoding: 7bit



  
  
    **Apologies for the incorrect date in the previous email**

    

    Dear all,

    

    This week's talk in the Irish Geometry Seminar will take place at 2pm
      on Tuesday, 13 April.

    

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

    Speaker: Martin Kilian (University College Cork)

    

    Title: Integrable systems methods for constant mean
    curvature surfaces

    Abstract: I will survey some of the recent progress made
    in developing the theory of constant mean curvature surfaces.

    

    Zoom details:

    Direct link:
    https://nuigalway-ie.zoom.us/j/95219875196?pwd=dG5FMldKaEd4aVhHUkpWUWJ1c0h6Zz09

    

    Meeting ID: 952 1987 5196

    Passcode: 847945

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

    

    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
  


--------------36871B8F7687925CDD1A0151--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 12 14:17:43 2021
Return-Path: 
Date:         Mon, 12 Apr 2021 14:17:10 +0100
Reply-To:     "Neil O'Connell" 
Sender:       UCD Maths Department Distribution List 
From:         "Neil O'Connell" 
Subject: maths: Probability Seminar, Wednesday, April 14, 4pm (Note unusual time)
To:           MATHDEP LISTSERV.HEANET.IE
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UCD School of Mathematics and Statistics - Seminar Notice



Speaker: Gerard Ben Arous (NYU)

Title: Shattering Phase and Metastability for Spin Glasses



Date: Wed 14th April 2021

Time: 4:00PM (Note unusual time)

Location: Online


Abstract: I will report mainly on a a recent joint work with Aukosh =
Jagannath (Waterloo). Spin glasses are complex models of statistical =
mechanics, which have been studied and understood in real depth by =
physicists since the 70's, both in their statics and dynamics =
properties. I will briefly survey the current mathematical understanding =
in the case of spherical models of spin glasses, using the approach =
based on the topological complexity of the energy landscapes. This =
approach has been shown to be a powerful tool for the low temperature =
phase of `replica-symmetry breaking', but I will here address questions =
pertaining to a higher temperature regime in the `replica-symmetric =
phase'. In this regime, we find that there are at least two distinct =
temperatures related to non-trivial behavior. First we prove that there =
is a regime of temperatures in which the spherical p-spin model exhibits =
a shattering phase. We then find that metastable states exist up to an =
even higher temperature as predicted by Barrat-Burioni-Mezard. This work =
is based on a Thouless-Anderson-Palmer decomposition which builds on the =
work of Eliran Subag. We then present a series of questions and =
conjectures regarding the sharp phase boundaries for shattering and slow =
mixing.=20

Zoom Link:=20
=
https://ucd-ie.zoom.us/j/83491228915?pwd=3DWWV3ZkNGNzVXdGxLRlR0dkdMYUtMZz0=
9=20

Meeting ID: 834 9122 8915=20
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:: Shattering Phase and Metastability for Spin Glasses
content:: Gerard Ben Arous (NYU)=20
:: UCD Probability seminar =
(http://maths.ucd.ie/seminarseries/probability)=20
location:: Online
date-time:: Wed 14th April 2021 at 4:00PM=

--Apple-Mail=_A914D705-EE03-47DE-9A52-A2BF4D502CAF
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html;
	charset=us-ascii

UCD School of Mathematics and Statistics - Seminar Notice


Speaker: Gerard Ben Arous (NYU)

Title: Shattering Phase and =
Metastability for Spin Glasses


Date: Wed 14th April 2021

Time: 4:00PM (Note unusual time)

Location: Online

Abstract: I will report mainly on a a recent =
joint work with Aukosh Jagannath (Waterloo). Spin glasses are =
complex models of statistical mechanics, which have been studied and =
understood in real depth by physicists since the 70's, both in their =
statics and dynamics properties. I will briefly survey the current =
mathematical understanding in the case of spherical models of spin =
glasses, using the approach based on the topological complexity of the =
energy landscapes. This approach has been shown to be a powerful tool =
for the low temperature phase of `replica-symmetry breaking', but I will =
here address questions pertaining to a higher temperature regime in the =
`replica-symmetric phase'. In this regime, we find that there are at =
least two distinct temperatures related to non-trivial behavior. First =
we prove that there is a regime of temperatures in which the spherical =
p-spin model exhibits a shattering phase. We then find that metastable =
states exist up to an even higher temperature as predicted by =
Barrat-Burioni-Mezard. This work is based on a Thouless-Anderson-Palmer =
decomposition which builds on the work of Eliran Subag. We then present =
a series of questions and conjectures regarding the sharp phase =
boundaries for shattering and slow mixing. 

Zoom Link: 
https://ucd-ie.zoom.us/j/83491228915?pwd=3DWWV3ZkNGNzVXdGxLRlR0=
dkdMYUtMZz09 

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:: Shattering Phase and Metastability for Spin =
Glasses
content:: Gerard Ben Arous (NYU) 
:: UCD Probability seminar (http://maths.ucd.ie/seminarseries/probability) 
location:: Online
date-time:: Wed 14th April =
2021 at 4:00PM=

--Apple-Mail=_A914D705-EE03-47DE-9A52-A2BF4D502CAF--

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Return-Path: 
Date:         Mon, 12 Apr 2021 15:52:37 +0100
Reply-To:     =?utf-8?Q?=C3=81ine_Byrne?= 
Sender:       UCD Maths Department Distribution List 
From:         =?utf-8?Q?=C3=81ine_Byrne?= 
Subject: maths: UCD Applied & Computational Mathematics Seminar, April 15, at 11am
To:           MATHDEP LISTSERV.HEANET.IE
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Dear all,
(Apologies for cross-posting)

The UCD Applied and Computational Maths Seminar Series =
(https://maths.ucd.ie/ACMSeminars/2021/ =
) continues on Zoom on Thursday =
April 15, at 11am. Jo=C3=A3o Melo (University of Cambridge) will present =
his recent work on supersymmetric black holes.

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: Jo=C3=A3o Melo (University of Cambridge)
Time: Thursday, April 15 at 11am
Location:: Zoom (meeting ID: 933 1387 1404, password: 040190) =
https://ucd-ie.zoom.us/j/93313871404?pwd=3Dc3BDZUdVZHExQlNJcmxPOTFDY2FoUT0=
9 =

Title: Stringy corrections to the entropy of electrically charged =
supersymmetric black holes with AdS5=C3=97S5 asymptotics

Abstract:=20
I will discuss the recent calculation (arXiv:2007.06582) of the leading =
=CE=B1=E2=80=B2 corrections to the entropy of certain black holes with =
AdS5=C3=97S5 asymptotics, namely in the supersymmetric limit, the =
entropy does not receive =CE=B1=E2=80=B2 corrections. This result =
strengthens recent calculations that match the index of N=3D4 =
Super-Yang-Mills with the corresponding partition function in the =
supersymmetric limit. In the small temperature regime, the entropy =
corrections are concordant with the weak gravity conjecture.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=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:: 15th April 2021 at 11:00
content:: Jo=C3=A3o Melo (University of Cambridge) will present his =
recent work on supersymmetric black holes. See the seminar webpage for =
more details https://maths.ucd.ie/ACMSeminars/2021/ =



--Apple-Mail=_E619220C-45EF-4231-AA47-8E7B6EABF919
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 on Thursday April 15, at 11am. Jo=C3=A3o Melo (University of =
Cambridge) will present his recent work on supersymmetric black =
holes.

Please =
see below for the seminar details and Zoom link/password. We look =
forward to welcoming you on Thursday.

Best wishes,
=C3=81i=
ne 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: Jo=C3=A3o =
Melo (University of Cambridge)
Time: Thursday, April 15 at 11am
Location:: Zoom (meeting ID: 933 1387 =
1404, password: 040190) https://ucd-ie.zoom.us/j/93313871404?pwd=3Dc3BDZUdVZHExQlNJcmxPOTFD=
Y2FoUT09
Title: Stringy =
corrections to the entropy of electrically charged supersymmetric black =
holes with AdS5=C3=97S5 asymptotics

Abstract: 
I will discuss the =
recent calculation (arXiv:2007.06582) of the leading =CE=B1=E2=80=B2 =
corrections to the entropy of certain black holes with AdS5=C3=97S5 =
asymptotics, namely in the supersymmetric limit, the entropy does =
not receive =CE=B1=E2=80=B2 corrections. This result strengthens =
recent calculations that match the index of N=3D4 Super-Yang-Mills with =
the corresponding partition function in the supersymmetric limit. In the =
small temperature regime, the entropy corrections are concordant =
with the weak gravity conjecture.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=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:: 15th April =
2021 at 11:00
content:: Jo=C3=A3o Melo (University of Cambridge) will =
present his recent work on supersymmetric black holes. See the =
seminar webpage for more details https://maths.ucd.ie/ACMSeminars/2021/<=
/pre>

=

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From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 12 23:51:21 2021
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Subject: maths: DIAS Zoominar Wed April 14th at 14:30 speaker Katrin Wendland
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Dear Colleagues,
                 please join us for our upcoming Theoretical Physics Seminar on
Wednesday April 14th by Katrin Wendland


Date: Wednesday 14th April
Time: 14:30
https://zoom.us/j/417720461?pwd=dTdNdXBpU2EweU9mM3VNWEUyU01odz09
Meeting ID: 417 720 461
Password: 107981

                        Katrin Wendland
                      Universit�t Freiburg


Title: The complex elliptic genera of simple surface singularities

Abstract: The complex elliptic genus is an invariant which is shared by 
geometry and conformal field theory. In favourable situations, it allows 
to count BPS states in conformal quantum field theories with extended 
supersymmetry. In this talk, we will focus on the complex elliptic genus 
and its refinements on�K3 surfaces and on the non-compact singular spaces 
that model the singularities which can occur on such K3 surfaces. The 
results presented here have mostly been obtained in collaboration with 
Yuhang Hou.



Upcoming:
Dario Bercioux      Apr 21st
David Huse          Apr 28th

Anastasia Volovich    May
Sakura Schafer-Nameki May

With best wishes,
Denjoe.
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From owner-mathdep LISTSERV.HEANET.IE  Tue Apr 13 10:44:26 2021
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Reply-To:     Seminars Maths NUIG 
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From:         Seminars Maths NUIG 
Subject: Maths: Seminar this Thursday at NUIG: Exploiting individual agent properties for analysis andcontrol of collective network evolution
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Dear All,

We will have a PHD viva talk this Thursday at 9am.



Roberto Galizia

>From NUIG

will speak on

=E2=80=9CExploiting individual agent properties for analysis and control of
collective network evolution=E2=80=9D

Abstract:  We investigate linearly coupled dynamic networks made up of
identical agents. We study the principles in which the dynamical features
of the underlying constituent agents transfer to the collective dynamics of
the entire network. This is carried out from two points of view: analysis
and control. In the former case, we defined and discussed the Regions of
Reduced Dynamics, a particular subset of the network parameter space in
which the behaviour of the entire network can be fully determined from the
dynamics of the underlying constituent agents. In the latter case, we
designed a decentralized control algorithm that drives networks towards a
desired state while only acting on a subset of network nodes without using
any global information about the network.



Contact: Petri Piironen



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 after the talk.

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/

--000000000000db6ed005bfd7779f
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Dear All,

We will have a PHD viva talk this Thursday at 9am.

=C2=A0

Roberto Galizia

From NUIG

will speak on

=E2=80=9CExploiting individual agent properties for =
analysis and
control of collective network evolution=E2=80=9D

Abstract: =C2=A0We
investigate linearly coupled dynamic networks made up of identical agents. =
We
study the principles in which the dynamical features of the underlying
constituent agents transfer to the collective dynamics of the entire networ=
k.
This is carried out from two points of view: analysis and control. In the
former case, we defined and discussed the Regions of Reduced Dynamics, a
particular subset of the network parameter space in which the behaviour of =
the
entire network can be fully determined from the dynamics of the underlying
constituent agents. In the latter case, we designed a decentralized control
algorithm that drives networks towards a desired state while only acting on=
 a
subset of network nodes without using any global information about the netw=
ork.

=C2=A0

Contact: Petri Piironen

=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 afte=
r the
talk.

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/

--000000000000db6ed005bfd7779f--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr 14 11:43:06 2021
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Date:         Wed, 14 Apr 2021 11:43:56 +0100
Reply-To:     Jan Manschot 
Sender:       UCD Maths Department Distribution List 
From:         Jan Manschot 
Subject: maths: HMI workshop "Quantum Gravity and Modularity"
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Dear colleagues,

We would like to announce the workshop =E2=80=9CQuantum Gravity and =
Modularity", which will take place from 3 - 14 May 2021 at the Hamilton =
Mathematics Institute, TCD.=20
For more details see the announcement below.=20

Best wishes,

Aradhita Chattopadhyaya, Jan Manschot, Maria Schimpf

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

HMI workshop =E2=80=9CQuantum Gravity and Modularity"
3 - 14 May 2021, Dublin=20

This multi-disciplinary workshop discusses recent developments in =
quantum gravity, string theory and AdS/CFT, as well as closely related =
mathematical subjects, such as analytic number theory, modularity and =
algebraic geometry. All talks will take place on Zoom.

Topics:
Modularity and black hole entropy
Moonshine phenomena
Partition function of 3D AdS theories
Geometric counting invariants
Swampland conjecture and metastable dS universe

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. The =
workshop is supported by the Irish Research Council, Hamilton =
Mathematics Institute, Science Foundation Ireland and the Simons =
Foundation.

Confirmed speakers:
Luis Fernando Alday (Oxford University)
David Andriot (University of Technology, Vienna)
Kathrin Bringmann (University of Cologne)
Niccolo Cribiori (University of Technology, Vienna)
Sarah Harrison (McGill University)
Tom Hartman (Cornell University)
Sameer Murthy (King's College London)
Suresh Nampuri (Instituto Superior Tecnico, Lisbon University)
Georg Oberdieck (University of Bonn)
Daniel Persson (Chalmers University of Technology)
Thorsten Schimannek (University of Vienna)
Ashoke Sen (Harish Chandra Research Institute, Allahabad India)
Harald Skarke (University of Technology, Vienna)
Roberto Volpato (University of Padova)
Timm Wrase (Lehigh University)
For more information and registration visit the website: =
https://www.maths.tcd.ie/~aradhita/hmiev.html =


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

title:: Quantum Gravity and Modularity
date-time:: 3th May 2019 at 9:00am
location:: Zoom
endevent::=

--Apple-Mail=_3B4509A8-9A1C-4893-AB78-DEE9FD48E7EA
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Dear colleagues,

We would like to announce the workshop =
=E2=80=9CQuantum Gravity and Modularity", which will take place =
from 3 - 14 May 2021 at the Hamilton Mathematics Institute, =
TCD. 
For more details see the announcement =
below. 

Best wishes,

Aradhita Chattopadhyaya, Jan Manschot, Maria =
Schimpf

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

HMI workshop =E2=80=9CQuan=
tum Gravity and Modularity"
3 =
- 14 May 2021, Dublin 

This multi-disciplinary =
workshop discusses recent developments in quantum gravity, string theory =
and AdS/CFT, as well as closely related mathematical subjects, such as =
analytic number theory, modularity and algebraic geometry. All talks =
will take place on Zoom.
Topics:
Modularity and black hole entropy
Moonshine phenomena
Partition function of 3D AdS =
theories
Geometric =
counting invariants
Swampland conjecture and metastable dS =
universe

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. The workshop is =
supported by the Irish Research Council, Hamilton Mathematics Institute, =
Science Foundation Ireland and the Simons Foundation.

Confirmed =
speakers:
Luis Fernando Alday (Oxford University)
David Andriot (University of =
Technology, Vienna)
Kathrin Bringmann (University of Cologne)
Niccolo Cribiori (University of =
Technology, Vienna)
Sarah Harrison (McGill University)
Tom Hartman (Cornell =
University)
Sameer =
Murthy (King's College London)
Suresh Nampuri (Instituto Superior Tecnico, Lisbon =
University)
Georg =
Oberdieck (University of Bonn)
Daniel Persson (Chalmers University of Technology)
Thorsten Schimannek =
(University of Vienna)
Ashoke Sen (Harish Chandra Research Institute, Allahabad =
India)
Harald =
Skarke (University of Technology, Vienna)
Roberto Volpato (University of =
Padova)
Timm Wrase =
(Lehigh University)
For more information and =
registration visit the website: https://www.maths.tcd.ie/~aradhita/hmiev.html

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

title:: Quantum Gravity =
and Modularity
date-time:: 3th May 2019 at 9:00am
location:: Zoom
endevent::=

--Apple-Mail=_3B4509A8-9A1C-4893-AB78-DEE9FD48E7EA--

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From:         Kazim Buyukboduk 
Subject: maths: Algebra and Number Theory seminar, Thu 22nd Apr 2021
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UCD School of Mathematics and Statistics - Seminar Notice


	*Speaker:* Yukako Kezuka (MPI-Bonn)

	*Title:* Tamagawa number divisibility of central [image: L]-values


	*Date:* Thu 22nd Apr 2021

	*Time:* 2:00PM

	*Location:* Online
*Abstract:* In this talk, I will report on some recent progress on the
conjecture of Birch and Swinnerton-Dyer for elliptic curves [image: E]
of the form [image: x^3+y^3=3DN] for cube-free positive integers [image:
N]. They are cubic twists of the Fermat elliptic curve [image:
x^3+y^3=3D1], and admit complex multiplication by the ring of integers
of [image: \mathbb{Q}(\sqrt{-3})]. First, I will explain the Tamagawa
number divisibility satisfied by the central [image: L]-values, and
exhibit a curious relation between the [image: 3]-part of the
Tate=E2=80=93Shafarevich group of [image: E] and the number of prime diviso=
rs
of [image: N] which are inert in [image: \mathbb{Q}(\sqrt{-3})]. I
will then explain my joint work with Yongxiong Li, studying in more
detail the cases when [image: N=3D2p] or [image: 2p^2] for an odd prime
number [image: p] congruent to [image: 2] or [image: 5] modulo [image:
9]. For these curves, we establish the [image: 3]-part of the
Birch=E2=80=93Swinnerton-Dyer conjecture and a relation between the ideal
class group of [image: \mathbb{Q}(\sqrt[3]{p})] and the [image:
2]-Selmer group of [image: E], which can be used to study
non-triviality of the [image: 2]-part of their Tate=E2=80=93Shafarevich gro=
up.


*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:: Tamagawa number divisibility of central [image: L]-values
content:: Yukako Kezuka (MPI-Bonn)
:: UCD Algebra and Number Theory seminar
(http://maths.ucd.ie/seminarseries/Algebra)
location:: Online
date-time:: Thu 22nd April 2021 at 2:00PM

--00000000000016324d05c01184e9
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

UC=
D School of Mathematics and Statistics - Seminar Notice

=20
	Speaker: Yukako Kezuka (MPI-Bonn)
=20
	Title: Tamagawa number divisibility of central -values

=20
	Date: Thu 22nd Apr 2021
=20
	Time: 2:00PM=20
=20
	Location: Online

Abstract: In this talk, I will report on some recent progress on the=
 conjecture of Birch and Swinnerton-Dyer for elliptic curves  of the form  for cube-free positive integers . T=
hey are cubic twists of the Fermat elliptic curve , and admit complex multiplication by=
 the ring of integers of . First, I will explain the Tamaga=
wa number divisibility satisfied by the central -values, and exhibit a curi=
ous relation between the -part of the Tate=E2=80=
=93Shafarevich group of  and the number of pri=
me divisors of  which are inert in . I will then explain my joint work with Yongxiong Li, studying in more d=
etail the cases when  or  for an odd prime number  congruent to  or  modulo . For these curves, we establish the -=
part of the Birch=E2=80=93Swinnerton-Dyer conjecture and a relation between=
 the ideal class group of  and the -Selmer group of , which can be used to study non-triviality of the -par=
t of their Tate=E2=80=93Shafarevich group.

Zoom Link: https://ucd-ie=
.zoom.us/j/5963025149 
Passcode: The numer=
ator 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:: Tamagawa number divisibility of central -values
content:: Yukako Kezuka (MPI-Bonn)
:: UCD Algebra and Number Theory seminar (http://maths.ucd.ie/seminarseries/Al=
gebra)=20
location:: Online
date-time:: Thu 22nd April 2021 at 2:00PM  


--00000000000016324d05c01184e9--

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Subject: Maths: MACSI Zoom seminar, TODAY, April 16th 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 Chico Camargo (University of Exet=
er) TODAY,  Friday the 16th of April. Please find below the details of the =
seminar.



Join Zoom Meeting
https://zoom.us/j/97085684376?pwd=3DenVhR2RJeG51ZE9mamJhOVpOSFRMUT09

Meeting ID: 970 8568 4376
Passcode: 148967


Date:  Friday, April 16, 2021 at 15.00.


Speaker: Dr. Chico Camargo (Department of Computer Science, University of E=
xeter, UK).

Title: Computational social science of the public mind's eye: from data sci=
ence to theory building.

Abstract:
Over the last decades, computational social science has risen as a strongly=
 empirical discipline, drawing on data science methods to tackle datasets t=
hat cannot be understood with simple analytical tools. This is particularly=
 true in the study of public attention and news coverage: there are numerou=
s studies looking at Internet search queries and online petitions, or apply=
ing natural language processing to news articles or social media activity. =
In other words, it is now possible to quantify, to a degree, what people ar=
e thinking and talking about=97anywhere from books to news to online social=
 networks.
But is that all there is? Is computational social science just a collection=
 of ways to measure things about society? Or can it also push for further t=
heoretical development? In this talk, we'll be discussing some examples whe=
re we try to do both: serious computational work, and serious theory-inform=
ed, data-driven, model-based, computationally-heavy, social science.



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_AM6PR03MB3893C8A1BFCE14D832CB3785874C9AM6PR03MB3893eurp_
Content-Type: text/html; charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable








Dear All, 












&=
nbsp;

the=
 next MACSI Zoom seminar at the Department of Mathematics and Sta=
tistics, University of Limerick will be given by Chico Camargo (University of Exeter) TODAY,
  Friday the 16th of April. Please find below the details o=
f the seminar. 

&=
nbsp;

Join Zoom Meeting

https://zoom.us/j/97085684376?pwd=3DenVhR2RJeG51ZE9mamJhOVpOS=
FRMUT09



Meeting ID: 970 8568 4376

Passcode: 148967 <=
/p>






Date:  Friday,
 April 16, 2021 at 15.00.=







Speaker: Dr.
 Chico Camargo (Depar=
tment of Computer Science, University of Exeter, UK).









Title: Computational
 social science of the public mind's eye: from data science to theory build=
ing.





Abstract:

Over the last decades, computational social science has risen as a strongly=
 empirical discipline, drawing on data science methods to tackle datasets t=
hat cannot be understood with simple analytical tools. This is particularly=
 true in the study of public attention
 and news coverage: there are numerous studies looking at Internet search q=
ueries and online petitions, or applying natural language processing to new=
s articles or social media activity. In other words, it is now possible to =
quantify, to a degree, what people
 are thinking and talking about=97anywhere from books to news to online soc=
ial networks.

But is that all there is? Is computati=
onal social science just a collection of ways to measure things about socie=
ty? Or can it also push for further
 theoretical development? In this talk, we'll be discussing some examples w=
here we try to do both: serious computational work, and serious theory-info=
rmed, data-driven, model-based, computationally-heavy, social science.








=






=
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;







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








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_AM6PR03MB3893C8A1BFCE14D832CB3785874C9AM6PR03MB3893eurp_--

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Date:         Fri, 16 Apr 2021 10:56:06 +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 21st April 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 Erica Ashe, Rutgers University.

Title: How Can Novel Statistical Methods Improve Analyses in Environmental =
Sciences
Click to join: Click here to join the meeting

Abstract: Characterizing the spatio-temporal variability of relative sea le=
vel (RSL) and estimating local, regional, and global RSL trends requires st=
atistical analysis of RSL data. Formal statistical treatments are needed to=
 account for the spatially and temporally sparse distribution of data and f=
or geochronological and elevational uncertainties. I frame improvements in =
statistical methods by themes: Uncertainty, Correlations, and Progress.

First, I introduce a newly developed statistical framework to estimate past=
 RSL change based on the modern distributions of RSL proxy elevations in re=
lation to RSL, using corals as an illustrative example.  The new statistica=
l model incorporates nonparametric empirical likelihoods through a distribu=
tion-fitting module, a sampling module, and a sample-wise prediction module=
. Using Markov chain Monte Carlo (MCMC) sampling, we approximate the poster=
ior distributions on these parameters and RSL, conditioned on the observed =
data. Through the use of a robust set of validation and sensitivity tests, =
we show that the nonparametric model, while sometimes overestimating uncert=
ainties, performs better than past methods in these tests.

Then, I outline the importance of Bayesian and empirical Bayesian hierarchi=
cal models, particularly in a spatio-temporal context, to analyze diverse, =
noisy observations with errors in both dependent and independent variables.=
 The hierarchical frameworks employed improves upon past RSL models by more=
 richly representing the correlation structure of RSL across space and time=
.  Bayesian hierarchical models are suitable for developing complex process=
-level models, accounting for uncertainties in model parameters, incorporat=
ing prior knowledge, and sharing information over various dimensions. My mo=
dels are able to rigorously quantify spatial and temporal variability, comb=
ine geographically disparate data, and separate the RSL field into various =
components associated with different driving processes.

Last, I demonstrate the value of statistical emulation in environmental sci=
ence through the emulation of an Antarctic Ice Sheet (AIS) model simulator.=
 Gaussian process emulators easily mimic the behavior of the ice-sheet mode=
l and provide continuous probability distributions of past and future sea-l=
evel equivalents from AIS from discrete simulation ensembles. I present the=
 results of two ice-sheet emulators (for the last interglacial period [LIG,=
 130kya] and the future [1950-2100]) to demonstrate the value of emulation =
and geological data for constraining projections of Antarctica=92s role in =
future sea level rise.  I show that posterior estimates of future AIS sea-l=
evel equivalent are highly dependent on how geological data can constrain L=
IG contributions, and that statistical emulation is a powerful tool for inc=
orporating physics into statistical models.
___________________________________________________________________________=
___
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 21st
April 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 Erica Ashe, Rutgers University.
Title=
: How Can Novel Statistical Methods Improve Analyses in Env=
ironmental Sciences 
Click to join: Click
 here to join the meeting
Abstr=
act: Characterizing the spatio-temporal variability of rela=
tive sea level (RSL) and estimating local, regional, and global RSL trends =
requires statistical analysis of RSL data. Formal
 statistical treatments are needed to account for the spatially and tempora=
lly sparse distribution of data and for geochronological and elevational un=
certainties. I frame improvements in statistical methods by themes: Uncerta=
inty, Correlations, and Progress.
First, I introduce a newly developed statistical framework to estimate p=
ast RSL change based on the modern distributions of RSL proxy elevations in=
 relation to RSL, using corals as an illustrative example.  The new st=
atistical model incorporates nonparametric
 empirical likelihoods through a distribution-fitting module, a sampling mo=
dule, and a sample-wise prediction module. Using Markov chain Monte Carlo (=
MCMC) sampling, we approximate the posterior distributions on these paramet=
ers and RSL, conditioned on the
 observed data. Through the use of a robust set of validation and sensitivi=
ty tests, we show that the nonparametric model, while sometimes overestimat=
ing uncertainties, performs better than past methods in these tests.
Then, I outline the importance of Bayesian and empirical Bayesian hierar=
chical models, particularly in a spatio-temporal context, to analyze divers=
e, noisy observations with errors in both dependent and independent variabl=
es. The hierarchical frameworks
 employed improves upon past RSL models by more richly representing the cor=
relation structure of RSL across space and time.  Bayesian hierarchica=
l models are suitable for developing complex process-level models, accounti=
ng for uncertainties in model parameters,
 incorporating prior knowledge, and sharing information over various dimens=
ions. My models are able to rigorously quantify spatial and temporal variab=
ility, combine geographically disparate data, and separate the RSL field in=
to various components associated
 with different driving processes.
Last, I demonstrate the value of statistical emulation in environmental =
science through the emulation of an Antarctic Ice Sheet (AIS) model simulat=
or. Gaussian process emulators easily mimic the behavior of the ice-sheet m=
odel and provide continuous probability
 distributions of past and future sea-level equivalents from AIS from discr=
ete simulation ensembles. I present the results of two ice-sheet emulators =
(for the last interglacial period [LIG, 130kya] and the future [1950-2100])=
 to demonstrate the value of emulation
 and geological data for constraining projections of Antarctica=92s role in=
 future sea level rise.  I show that posterior estimates of future AIS=
 sea-level equivalent are highly dependent on how geological data can const=
rain LIG contributions, and that statistical
 emulation is a powerful tool for incorporating physics into statistical mo=
dels.
__________________________________________________________________=
____________

Niamh Cahill, PhD
Lecturer/Assistant Pr=
ofessor
Maynooth University Department of Mathematics and =
Statistics




















 




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Sender:       UCD Maths Department Distribution List 
From:         Martin Kerin 
Subject: maths: Irish Geometry Seminar, Tuesday, 20 April, 2pm.
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Dear all,

This week's talk in the Irish Geometry Seminar will take place at *2pm 
on Tuesday, 20 April*.

-----------------------------
_Speaker:_ John Harvey (Swansea University)
_
__Title:_ Estimating the reach of a submanifold_

__Abstract:_ The reach is an important geometric invariant of 
submanifolds of Euclidean space. It is a real-valued global invariant 
incorporating information about the second fundamental form of the 
embedding and the location of the first critical point of the distance 
from the submanifold. In the subject of geometric inference – estimating 
the geometry from samples of points drawn from the manifold - the reach 
plays a crucial role. I will give a new method of estimating the reach 
of a submanifold, developed jointly with Clément Berenfeld, Marc 
Hoffmann and Krishnan Shankar. This results in improved convergence 
rates, but a minimax optimal estimator remains to be found.

_Zoom details:_
Direct link: 
https://nuigalway-ie.zoom.us/j/95219875196?pwd=N3pZUUJmYWlCWnBSYU1WTzdMQ05iQT09

Meeting ID: 952 1987 5196
Passcode: 647945
-----------------------------

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

--------------0EEB4A2FB6CF7109B4A0994D
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Content-Transfer-Encoding: 8bit



  
  
    Dear all,

    

    This week's talk in the Irish Geometry Seminar will take place at 2pm
      on Tuesday, 20 April.

    

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

    Speaker: John Harvey (Swansea University)

    

    Title: Estimating the reach of a submanifold

      

    Abstract: The reach is an important geometric invariant
    of submanifolds of Euclidean space. It is a real-valued global
    invariant incorporating information about the second fundamental
    form of the embedding and the location of the first critical point
    of the distance from the submanifold. In the subject of geometric
    inference – estimating the geometry from samples of points drawn
    from the manifold - the reach plays a crucial role. I will give a
    new method of estimating the reach of a submanifold, developed
    jointly with Clément Berenfeld, Marc Hoffmann and Krishnan Shankar.
    This results in improved convergence rates, but a minimax optimal
    estimator remains to be found.

    

    Zoom details:

    Direct link:
https://nuigalway-ie.zoom.us/j/95219875196?pwd=N3pZUUJmYWlCWnBSYU1WTzdMQ05iQT09

    

    Meeting ID: 952 1987 5196

    Passcode: 647945

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

    

    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
  


--------------0EEB4A2FB6CF7109B4A0994D--

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Date:         Mon, 19 Apr 2021 11:03:59 +0100
Reply-To:     Andrew Keane 
Sender:       UCD Maths Department Distribution List 
From:         Andrew Keane 
Subject: Applied Mathematics Seminar (UCC): Johanne Hizanidis (22.04.2021, 12:00, via MS Teams)
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--------------3EDA0FC48FCC8D0A842D1830
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title:: Applied Mathematics Seminar (University College Cork)
content:: Johanne Hizanidis (University of Crete)will speak on
:: SQUID metamaterials: A testbed for nonlinear dynamics
:: For further information see:
::https://www.ucc.ie/en/matsci/events/appliedmathematicsseminarstalks2020-2021/
date-time:: 22nd April 2021 at 12:00
location:: MS Teams: contact Andrew Keane (andrew.keane ucc.ie) for details
endevent::

--------------3EDA0FC48FCC8D0A842D1830
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    title:: Applied
        Mathematics Seminar (University College Cork)
    
      
        
          
            
              
                
                  
                    content:: Johanne Hizanidis
                      (University of Crete)
                        will speak on
                    :: SQUID metamaterials:
                        A testbed for nonlinear dynamics
                        
                    :: For further information
                      see:
                    :: https://www.ucc.ie/en/matsci/events/appliedmathematicsseminarstalks2020-2021/

                    
                    date-time:: 22nd April 2021
                      at 12:00

                    
                    location:: MS Teams: contact
                      Andrew Keane (andrew.keane ucc.ie)
                      for details

                    
                    endevent::
                
              
            
          
        
      
    
  


--------------3EDA0FC48FCC8D0A842D1830--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 19 11:14:48 2021
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Date:         Mon, 19 Apr 2021 11:14:18 +0100
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From:         =?utf-8?Q?=C3=81ine_Byrne?= 
Subject: maths: UCD Applied & Computational Mathematics Seminar, April 22, at 11am
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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 on Thursday =
April 22, at 11am. Malbor Asllani (UCD) will present his work on =
non-normal networks.

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: Malbor Asllani (University College Dublin)
Time: Thursday, April 22 at 11am
Location:: Zoom (meeting ID: 933 1387 1404, password: 040190) =
https://ucd-ie.zoom.us/j/93313871404?pwd=3Dc3BDZUdVZHExQlNJcmxPOTFDY2FoUT0=
9 =

Title: Non-normal networks: Structure and dynamics

Abstract:=20
A large number of complex systems, naturally emerging in various =
domains, are well described by directed networks, resulting in numerous =
interesting features absent from their undirected counterparts. Among =
these properties is a strong non-normality, inherited by a strong =
asymmetry that characterizes such systems and guides their underlying =
hierarchy. Dynamical processes evolving on non-normal networks exhibit =
peculiar behavior: initial small disturbances of stable systems may =
undergo a transient growth phase in the linear regime that can =
eventually transform to a permanent instability in the nonlinear one. In =
this talk, we present recent findings related to emergent structural and =
dynamical properties of non-normal networks. In particular, we will =
first show using information-theoretic tools that a ubiquitous feature =
is observed amongst such systems as the level of non-normality =
increases. When the non-normality reaches a given threshold, highly =
directed substructures aiming towards terminal (sink or source) nodes, =
denoted here as leaders, spontaneously emerge. Such hierarchical =
features trigger many collective behaviors, where in particular, we will =
focus on the synchronization phenomenon. We demonstrate that contrary to =
the common belief that strong directedness ensures the robustness of =
synchronization, due to a transient growth induced by the structure=E2=80=99=
s non-normality, the system might lose synchronization.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=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:: 22nd April 2021 at 11:00
content:: Malbor Asllani (UCD) will present his work on non-normal =
networks. See the seminar webpage for more details =
https://maths.ucd.ie/ACMSeminars/2021/ =



--Apple-Mail=_3D41AA58-6094-491D-891C-9BE69FC3DEA3
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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 on Thursday April 22, at 11am. Malbor Asllani (UCD) will present =
his work on non-normal networks.

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: Malbor =
Asllani (University College Dublin)
Time: Thursday, April 22 at 11am
Location:: Zoom (meeting ID: 933 1387 =
1404, password: 040190) https://ucd-ie.zoom.us/j/93313871404?pwd=3Dc3BDZUdVZHExQlNJcmxPOTFD=
Y2FoUT09
Title: Non-normal=
 networks: Structure and dynamics

Abstract: 
A large number of =
complex systems, naturally emerging in various domains, are well =
described by directed networks, resulting in numerous interesting =
features absent from their undirected counterparts. Among these =
properties is a strong non-normality, inherited by a strong =
asymmetry that characterizes such systems and guides their underlying =
hierarchy. Dynamical processes evolving on non-normal networks =
exhibit peculiar behavior: initial small disturbances of stable systems =
may undergo a transient growth phase in the linear regime that can =
eventually transform to a permanent instability in the nonlinear one. In =
this talk, we present recent findings related to emergent =
structural and dynamical properties of non-normal networks. In =
particular, we will first show using information-theoretic tools =
that a ubiquitous feature is observed amongst such systems as the level =
of non-normality increases. When the non-normality reaches a given =
threshold, highly directed substructures aiming towards terminal =
(sink or source) nodes, denoted here as leaders, spontaneously emerge. =
Such hierarchical features trigger many collective behaviors, where =
in particular, we will focus on the synchronization phenomenon. We =
demonstrate that contrary to the common belief that strong =
directedness ensures the robustness of synchronization, due to a =
transient growth induced by the structure=E2=80=99s non-normality, =
the system might lose synchronization.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=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:: 22nd April =
2021 at 11:00
content:: Malbor Asllani (UCD) will present his work on =
non-normal networks. See the seminar webpage for more =
details https://maths.ucd.ie/ACMSeminars/2021/<=
/pre>

=

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From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 19 16:32:11 2021
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Date:         Mon, 19 Apr 2021 16:30:57 +0100
Reply-To:     Andrei Parnachev 
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From:         Andrei Parnachev 
Subject: maths: Dublin Theoretical Physics Colloquium, April 21
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--000000000000a4cfdf05c0550567
Content-Type: text/plain; charset="UTF-8"

DUBLIN THEORETICAL PHYSICS COLLOQUIUM

Wednesday, 21 April  2021, 16:00



Speaker: Per Kraus (UCLA)

Title: 3d gravity in a box





Abstract: I will discuss recent work on the classical and quantum

formulation of pure 3d gravity with Dirichlet boundary conditions.

Working in the covariant phase space formalism I will show how to

obtain the classical Poisson bracket algebra of observables in this

theory, and then discuss quantization, comparing low order results to
expectations based on TTbar deformed CFTs.






 All are welcome to join us online, see zoom details below.



Topic: Dublin Theoretical Physics Colloquium
Time: Apr 21, 2021 04:00 PM Dublin

Join Zoom Meeting
https://tcd-ie.zoom.us/j/99899504775?pwd=WlM4TmY1VVU2UEhiUytoVW51b2ZVQT09

Meeting ID: 998 9950 4775
Passcode: 345494


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



title:: Dublin Theoretical Physics Colloquium

content:: Per Kraus (UCLA)

:: 3d gravity in a box

date-time:: 21 April 2021 at 16:00

location:: Online

endevent::

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=

=
<=
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<=
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Wednesday, 21 Ap=
ril =C2=A02021, 16:00
=C2=A0=
Speaker: Per Kraus (UCLA)
Title:=C2=A03d gravity in a box



=
=C2=A0
Abstract:=C2=A0I will discuss recent work on the classic=
al and quantum
formulati=
on of pure 3d gravity with Dirichlet boundary conditions.
Working in the covariant phase space formalism I will show how to<=
/span>
obtain the classical Poisson bracket algebra of ob=
servables in this
theory, and then discuss quant=
ization, comparing low order results to expectations based on TTbar deforme=
d CFTs.


=C2=A0
=C2=A0All are welcome t=
o join us online, see zoom details below.


Topic: Dublin Theoretical Phys=
ics Colloquium
Time: Apr 21, 2021 04:00 PM Dublin

Join Zoom Meeting
https:/=
/tcd-ie.zoom.us/j/99899504775?pwd=3DWlM4TmY1VVU2UEhiUytoVW51b2ZVQT09
<=
div style=3D"color:rgb(0,0,0);font-family:-webkit-standard">Meeting ID: 998=
 9950 4775
Passcode: 345494

=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=A0Per Kraus (UCLA)
::=C2=A03d =
gravity in a box

date-time:: 21 April 2021 at 16:00
location:: Online
endevent::
=C2=A0
=C2=A0










--000000000000a4cfdf05c0550567--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 19 21:14:14 2021
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Date:         Mon, 19 Apr 2021 21:13:58 +0100
Reply-To:     Natalia Kopteva 
Sender:       UCD Maths Department Distribution List 
From:         Natalia Kopteva 
Subject: maths: INAF seminar, Thu 22-Apr, Ricardo Dur=?UTF-8?Q?=C3=A1n_?=(Buenos Aires)
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Thu 22 April 2021, 14:00 (Dublin)

Ricardo Durán (University of Buenos Aires)

The Stokes equations with singular boundary data

First we recall some classic results on the well posedness and numerical approximation of the Stokes equations, particularly we present the fundamental inf-sup condition and the Bogovskii's constructive approach to prove it. Usually the theory is presented for the homogeneous Dirichlet problem but, by standard trace results, it can be extended to treat non-homogeneous boundary data provided they are enough regular.
Then, we consider the Dirichlet problem with singular data and analyze its finite element approximation. We prove quasi-optimal error estimates for data in fractional order Sobolev spaces approximating the boundary datum by appropriate regularizations, or by the Lagrange interpolation when it is piece-wise smooth.
A typical example used to test numerical methods is the so called lid-driven cavity problem. Our general results give almost optimal order error estimates for this case when quasi-uniform meshes are used.
Finally we comment on an a posteriori error estimator and present some numerical examples showing the good performance of an adaptive procedure based on it.

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:: Ricardo Durán (Buenos Aires)
:: The Stokes equations with singular boundary data
date-time:: Thursday 22 April at 14:00
location:: ZOOM; register at https://staff.ul.ie/natalia/inaf
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 19 22:42:11 2021
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Date:         Mon, 19 Apr 2021 22:41:39 +0100
Reply-To:     "Denjoe O'Connor" 
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From:         "Denjoe O'Connor" 
Subject: maths: DIAS Zoominar Wed April 21th at 14:30 speaker Dario Bercioux
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Dear Colleagues,
                 please join us for our upcoming Theoretical Physics Seminar on
Wednesday April 21st by Dario Bercioux

Date: Wednesday 21th April
Time: 14:30
https://zoom.us/j/417720461?pwd=dTdNdXBpU2EweU9mM3VNWEUyU01odz09
Meeting ID: 417 720 461
Password: 107981
                        Dario Bercioux
                Donostia International Physics Center

Title: High-order topological states in electronic and photonic lattice systems

Abstract: In this seminar, I will talk about crystalline topological 
electronic and photonic lattice systems. For pedagogical reasons, I will 
start with Jackie and Rabbi's milestone work on "Solitons with fermion 
number 1/2" [1]. I will brie y mention how these exotic solitonic 
solutions appear in the polyacetylene chain within the so-called SSH model 
[2]. In this contest, I will show how the study of these systems evolved 
from one-dimensional to higher-dimensions, giving rise to the concept of 
high-order topological insulators [3]. I will present our results in the 
context of the analogue electron simulator [4] and photonic crystals 
[5-8]. I will review the various known topological phases in the condensed 
matter framework, including the newly postulated fragile topological phase 
[9].

References
[1] Jackiew & Rebbi, Phys. Rev. D 133, 3398 (1976).
[2] Su, Schriffer & Heeger, Phys. Rev. Lett. 42, 1698 (1979); Phys. Rev. B 22, 2099 (1080).
[3] Benalcazar, Bernevig & Hughes, Science 357, 61 (2017). 
[4] Kempkes et al., Nat. Mates. Nat. Mater. 18, 1292 (2019).
[5] M. B. de Paz et al., Phys. Rev. Research 1, 032005 (2019).
[6] M. B. de Paz et al., Adv. Quantum Technol. 3, 1900117 (2020).
[7] M. Proctor et al., Phys. Rev. Research 2, 042038 (2020).
[8] M. Proctor et al., Appl. Phys. Lett. 118, 091105 (2021).
[9] H. C. Po, H. Watanabe, & A. Vishwanath, Phys. Rev. Lett. 121, 126402 (2018).

Upcoming:
David Huse          Apr 28th

Anastasia Volovich    May
Sakura Schafer-Nameki May

With best wishes,
Denjoe.

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From:         "Romina.Gaburro" 
Subject: Maths: MACSI Zoom seminar, Friday, April 23rd at 15.00.
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--_000_AM6PR03MB38936C72F662636C26EE661F87489AM6PR03MB3893eurp_
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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 Alina Dubovskaya (University of L=
imerick) this Friday the 23rd of April. Please find below the details of th=
e seminar.



The Meeting ID will be emailed on Friday morning.


Date:  Friday, April 23, 2021 at 15.00.


Speaker: Dr. Alina Dubovskaya (Department of Mathematics and Statistics, Un=
iversity of Limerick).

Title: Recycling of phosphorus in the plant-soil system and the associated =
oscillations in vegetation.

Abstract: Phosphorus is an essential nutrient for all life forms; however, =
it is also a limited resource on land, due to its broken global cycle. It i=
s crucial for the survival of the terrestrial ecosystem to develop strategi=
es to minimise losses of phosphorus from continents to oceans. And this has=
 been achieved through efficient recycling of phosphorus in the soil.


In this work, we examine the phosphorus dynamics in a basic plant-soil syst=
em and gain insights into how the efficiency of phosphorus recycling is ach=
ieved. We then explore the effects of fertilisation and harvesting activiti=
es on the system, the two major ways in which humans disrupt the natural ph=
osphorus cycle.



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_AM6PR03MB38936C72F662636C26EE661F87489AM6PR03MB3893eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable








Dear All, 












&=
nbsp;

the=
 next MACSI Zoom seminar at the Department of Mathematics and Sta=
tistics, University of Limerick will be given by Alina Dubovskaya (University of Limerick) this
 Friday the 23rd of April. Please find below the details of the&=
nbsp;seminar. 

&=
nbsp;

The=
 Meeting ID will be emailed on Friday morning.  =







Date:  Friday,
 April 23, 2021 at 15.00.=







Speaker: Dr.
 Alina Dubovskaya (De=
partment of Mathematics and Statistics, University of Limerick).











Title: Recycling
 of phosphorus in the plant-soil system and the associated oscillations in =
vegetation.



Abstract:&nbs=
p;Phosphorus
 is an essential nutrient for all life forms; however, it is also a limited=
 resource on land, due to its broken global cycle. It is crucial for the su=
rvival of the terrestrial ecosystem to develop strategies to minimise losse=
s of phosphorus from continents
 to oceans. And this has been achieved through efficient recycling of phosp=
horus in the soil.




In this work, we examine the phosphorus dynami=
cs in a basic plant-soil system and gain insights into how the efficiency o=
f phosphorus recycling is achieved.
 We then explore the effects of fertilisation and harvesting activities on =
the system, the two major ways in which humans disrupt the natural phosphor=
us cycle.






=






=
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;







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








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_AM6PR03MB38936C72F662636C26EE661F87489AM6PR03MB3893eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr 21 16:08:10 2021
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Date:         Wed, 21 Apr 2021 16:07:33 +0100
Reply-To:     David Malone 
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From:         David Malone 
Subject: maths: Conference of Applied Statistics in Ireland (CASI)
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Dear all,

Please see the note below from Catherine Hurley about this year's
CASI conference.

	David.

Maynooth University is pleased to announce that the Conference of
Applied Statistics in Ireland (CASI) will be held online May 12-13.

Invited speakers are Hadley Wickham (RStudio), Gerda Claeskens
(Leuven) and Leontine Alkema (Amherst). The short course will be
given by Wayne Oldford (Waterloo).  (See https://casi.ie).

We also have a programme of contributed talks and posters. Talk
submission is now closed, but we are still open for poster submissions.
Poster presenters who wish to be listed on our conference programme
should submit a title and abstract (max 300 words, text format
please) to keefe.murphy mu.ie by Friday April 30th. Posters should
be posted on Twitter with hashtag #CASIposter2021 on May 12th.

CASI 2021 registration for the conference and short course is now
open at https://www.eventbrite.ie/e/casi-2021-tickets-143976085347.
There is no charge, but places are limited. There are separate
tickets for the conference and the short course.

From owner-mathdep LISTSERV.HEANET.IE  Fri Apr 23 09:03:22 2021
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Date:         Fri, 23 Apr 2021 08:02:51 +0000
Reply-To:     "Romina.Gaburro" 
Sender:       UCD Maths Department Distribution List 
From:         "Romina.Gaburro" 
Subject: Maths: MACSI Zoom seminar, TODAY, April 23rd at 15.00.
To:           MATHDEP LISTSERV.HEANET.IE
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--_000_AM6PR03MB3893E2036B759CCAD087A28787459AM6PR03MB3893eurp_
Content-Type: text/plain; charset="iso-8859-1"
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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 Alina Dubovskaya (University of L=
imerick) TODAY, Friday the 23rd of April. Please find below the details of =
the seminar.



Join Zoom Meeting
https://zoom.us/j/98804931307?pwd=3DOVU2TVEwWjBZUWZacnovK2x4b0dNUT09


Meeting ID: 988 0493 1307
Passc=
ode: 783382


Date:  Friday, April 23, 2021 at 15.00.


Speaker: Dr. Alina Dubovskaya (Department of Mathematics and Statistics, Un=
iversity of Limerick).

Title: Recycling of phosphorus in the plant-soil system and the associated =
oscillations in vegetation.

Abstract: Phosphorus is an essential nutrient for all life forms; however, =
it is also a limited resource on land, due to its broken global cycle. It i=
s crucial for the survival of the terrestrial ecosystem to develop strategi=
es to minimise losses of phosphorus from continents to oceans. And this has=
 been achieved through efficient recycling of phosphorus in the soil.


In this work, we examine the phosphorus dynamics in a basic plant-soil syst=
em and gain insights into how the efficiency of phosphorus recycling is ach=
ieved. We then explore the effects of fertilisation and harvesting activiti=
es on the system, the two major ways in which humans disrupt the natural ph=
osphorus cycle.



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_AM6PR03MB3893E2036B759CCAD087A28787459AM6PR03MB3893eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable








Dear All, 













&=
nbsp;

the=
 next MACSI Zoom seminar at the Department of Mathematics and Sta=
tistics, University of Limerick will be given by Alina Dubovskaya (University of Limerick)
 TODAY, Friday the 23rd of April. Please find below the details =
of the seminar. 

&=
nbsp;

Join Zoom
 Meeting

https://zoom.us/j/98804931307?pwd=3DOVU2TVEwWjBZUWZacnovK2x4b0dNUT09=






Meeting ID: 988 0493 1307
Passcode: 783382






Date:  Friday,
 April 23, 2021 at 15.00.=







Speaker: Dr.
 Alina Dubovskaya (De=
partment of Mathematics and Statistics, University of Limerick).











Title: Recycling
 of phosphorus in the plant-soil system and the associated oscillations in =
vegetation.



Abstract:&nbs=
p;Phosphorus
 is an essential nutrient for all life forms; however, it is also a limited=
 resource on land, due to its broken global cycle. It is crucial for the su=
rvival of the terrestrial ecosystem to develop strategies to minimise losse=
s of phosphorus from continents
 to oceans. And this has been achieved through efficient recycling of phosp=
horus in the soil.




In this work, we examine the phosphorus dynami=
cs in a basic plant-soil system and gain insights into how the efficiency o=
f phosphorus recycling is achieved.
 We then explore the effects of fertilisation and harvesting activities on =
the system, the two major ways in which humans disrupt the natural phosphor=
us cycle.






=






=
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;







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








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_AM6PR03MB3893E2036B759CCAD087A28787459AM6PR03MB3893eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Fri Apr 23 10:42:17 2021
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Date:         Fri, 23 Apr 2021 10:41:39 +0100
Reply-To:     grogers STP.DIAS.IE
Sender:       UCD Maths Department Distribution List 
From:         George Rogers 
Subject: Maths: REMINDER : STP, DIAS - Summer Studentships 2021
To:           MATHDEP LISTSERV.HEANET.IE
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Dear Colleagues,

please pass this notice on to suitable students. Many thanks!

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

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 midnight on April 26th..

-- 
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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that disclosing, copying, distributing or taking any action in reliance on the contents of this information is strictly prohibited.

From owner-mathdep LISTSERV.HEANET.IE  Sat Apr 24 10:13:17 2021
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Message-ID:  
Date:         Sat, 24 Apr 2021 09:12:43 +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 28th April 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: Patrick Heslin, University of Notre Dame

Title: Geometric Hydrodynamics

Click to join: Click here to join the meeting

Abstract: V. Arnold observed in his seminal paper that solutions of the Eul=
er equations for ideal fluid motion can be viewed as geodesics of a certain=
 right-invariant metric on the group of volume-preserving diffeomorphisms (=
known as volumorphisms), [D_\mu(M)] . In essence, this approach showcases t=
he natural framework in which to tackle this infamous Cauchy problem from t=
he so-called Lagrangian viewpoint. In their celebrated paper Ebin and Marsd=
en provided the formulation of the above in the [H^s]  Sobolev setting. Her=
e they proved that the space of [H^s]  volumorphisms can be given the struc=
ture of a smooth, infinite dimensional Hilbert manifold. They illustrated t=
hat, when equipped with a right-invariant [L^2]  metric, the geodesic equat=
ion on this manifold is a smooth ordinary differential equation. They then =
applied the classic iteration method of Picard to obtain existence, uniquen=
ess and smooth dependence on initial conditions. In particular, the last pr=
operty allows one to define a smooth exponential map on [D^s_\mu(M)]  in an=
alogy with the classical construction in finite dimensional Riemannian geom=
etry. Hence, the work of Arnold, Ebin and Marsden allows one to explore the=
 problem of ideal fluid motion armed with tools from Riemannian geometry.

___________________________________________________________________________=
___
Niamh Cahill, PhD
Lecturer/Assistant Professor
Maynooth University Department of Mathematics and Statistics












--_000_DB7PR02MB3977D5312723931B04DF47318E449DB7PR02MB3977eurp_
Content-Type: text/html; charset="us-ascii"
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Dear colleagues,


 
The next Mathematics and Statistics Colloquium for this=
 academic year takes place
Wednesday 28th
April 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: Patrick Heslin, University of Notre Dame<=
/p>
 
Title: Geometric Hydrodynamics
 
Click to join: <=
/span>Click
 here to join the meeting
 
Abstract:
V. Arnold observed in his seminal paper that solutions of the Euler equ=
ations for ideal fluid motion can be viewed as geodesics of a certain right=
-invariant metric on the group of
 volume-preserving diffeomorphisms (known as volumorphisms),&nb=
sp;.
 In essence, this approach showcases the natural framework in which to tack=
le this infamous Cauchy problem from the so-called Lagrangian viewpoint. In=
 their celebrated paper Ebin and Marsden provided the formulation of the ab=
ove in the  Sobo=
lev
 setting. Here they proved that the space of  volumorphisms can be given the
 structure of a smooth, infinite dimensional Hilbert manifold. They illustr=
ated that, when equipped with a right-invariant  metric,
 the geodesic equation on this manifold is a smooth ordinary differential e=
quation. They then applied the classic iteration method of Picard to obtain=
 existence, uniqueness and smooth dependence on initial conditions. In part=
icular, the last property allows
 one to define a smooth exponential map on <=
span style=3D"color:black"> in analogy with the classical
 construction in finite dimensional Riemannian geometry. Hence, the work of=
 Arnold, Ebin and Marsden allows one to explore the problem of ideal fluid =
motion armed with tools from Riemannian geometry.<=
/p>
 
_________________________________________________=
_____________________________<=
/o:p>

Niamh Cahill, Ph=
D
Lecturer/Assistant Pr=
ofessor
Maynooth University=
 Department of Mathematics and Statistics






















 




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From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 26 09:35:07 2021
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Date:         Mon, 26 Apr 2021 09:34:43 +0100
Reply-To:     Martin Kerin 
Sender:       UCD Maths Department Distribution List 
From:         Martin Kerin 
Subject: maths: Irish Geometry Seminar, Tuesday, 27 April, 2pm
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Dear all,

This week's talk in the Irish Geometry Seminar will take place at *2pm 
on Tuesday, 27 April*.

-----------------------------
_Speaker:_ Renato G. Bettiol (CUNY)
_
__Title:_ Geography of pinched 4-manifolds
_
__Abstract:_ It is widely expected that a simply connected closed 
4-dimensional Riemannian manifold with positive sectional curvature must 
be homeomorphic to the 4-sphere or the complex projective plane. Using a 
new take on classical techniques, we prove this to be the case if M is 
δ\delta-pinched with δ=11+33≅0.161\delta = \frac{1}{1+3\sqrt3}\cong 
0.161, that is, if all sectional curvatures of M lie in the interval 
[δ\delta,1]. We also give new restrictions on the “geography problem” of 
realizing Euler characteristics and signatures on 4-manifolds under any 
(positive or negative) pinching assumption. The main tools used are 
convex algebro-geometric and optimization insights on sets of pinched 
curvature operators. This is based on joint work with M. Kummer and R. 
Mendes.
_
__Zoom details:_
Direct link: 
https://nuigalway-ie.zoom.us/j/95219875196?pwd=UE5jVGkyTlU0OVZtT0YxSGl0ZmFVdz09

Meeting ID: 952 1987 5196
Passcode: 647375
-----------------------------

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

--------------3CC1E95E13C285058AA81C9E
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    Dear all,

    

    This week's talk in the Irish Geometry Seminar will take place at 2pm
      on Tuesday, 27 April.

    

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

    Speaker: Renato G. Bettiol (CUNY)

    

    Title: Geography of pinched 4-manifolds

    

    Abstract: It is widely expected that a simply connected
    closed 4-dimensional Riemannian manifold with positive sectional
    curvature must be homeomorphic to the 4-sphere or the complex
    projective plane. Using a new take on classical techniques, we prove
    this to be the case if M is
     $\delta$ -pinched
    with
     $\delta = \frac{1}{1+3\sqrt3}\cong 0.161$ ,
    that is, if all sectional curvatures of M lie in the interval [ $\delta$ ,1]. We
    also give new restrictions on the “geography problem” of realizing
    Euler characteristics and signatures on 4-manifolds under any
    (positive or negative) pinching assumption. The main tools used are
    convex algebro-geometric and optimization insights on sets of
    pinched curvature operators. This is based on joint work with M.
    Kummer and R. Mendes.

    

    Zoom details:

    Direct link:
https://nuigalway-ie.zoom.us/j/95219875196?pwd=UE5jVGkyTlU0OVZtT0YxSGl0ZmFVdz09

    

    Meeting ID: 952 1987 5196

    Passcode: 647375

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

    

    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
  


--------------3CC1E95E13C285058AA81C9E--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 26 10:42:43 2021
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Date:         Mon, 26 Apr 2021 10:41:44 +0100
Reply-To:     =?utf-8?Q?=C3=81ine_Byrne?= 
Sender:       UCD Maths Department Distribution List 
From:         =?utf-8?Q?=C3=81ine_Byrne?= 
Subject: maths: UCD Applied & Computational Mathematics Seminar, April 29, at 11am
To:           MATHDEP LISTSERV.HEANET.IE
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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 on Thursday =
April 29, at 11am. Bruno Barton-Singer (Heriot-Watt University) will =
present an introductory level talk on magnetic skyrmions and topological =
solitons.

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: Bruno Barton-Singer (Heriot-Watt University)
Time: Thursday, April 29 at 11am
Location:: Zoom (meeting ID: 933 1387 1404, password: 040190) =
https://ucd-ie.zoom.us/j/93313871404?pwd=3Dc3BDZUdVZHExQlNJcmxPOTFDY2FoUT0=
9 =

Title: An introduction to Magnetic Skyrmions

Abstract:=20
Domain walls, superconductor vortices, magnetic skyrmions, liquid =
crystal defects... all these phenomena and many more, ranging from high =
energy to nuclear physics to condensed matter, come under the umbrella =
of topological solitons. In all cases, something topological stops some =
localised pocket of energy, the topological soliton, from collapsing in =
on itself. These topological solitons are fascinating objects of study. =
On a theoretical level because in many ways they act like emergent =
particles, and on a practical level as possible information carriers of =
the future. I will summarise why we are interested in topological =
solitons, where they appear and what kind of questions we are interested =
in asking, with examples in my own research.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=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:: 29th April 2021 at 11:00
content:: Bruno Barton-Singer (Heriot-Watt University) will present an =
introductory level talk on magnetic skyrmions and topological solitons. =
See the seminar webpage for more details =
https://maths.ucd.ie/ACMSeminars/2021/ =



--Apple-Mail=_A75DF12B-9E79-46E6-8333-299464566EC5
Content-Transfer-Encoding: quoted-printable
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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 on Thursday April 29, at 11am. Bruno Barton-Singer (Heriot-Watt =
University) will present an introductory level talk on magnetic =
skyrmions and topological solitons.

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: Bruno =
Barton-Singer (Heriot-Watt University)
Time: Thursday, April 29 at 11am
Location:: Zoom (meeting ID: 933 1387 =
1404, password: 040190) https://ucd-ie.zoom.us/j/93313871404?pwd=3Dc3BDZUdVZHExQlNJcmxPOTFD=
Y2FoUT09
Title: An =
introduction to Magnetic Skyrmions

Abstract: 
Domain walls, =
superconductor vortices, magnetic skyrmions, liquid crystal defects... =
all these phenomena and many more, ranging from high energy to =
nuclear physics to condensed matter, come under the umbrella of =
topological solitons. In all cases, something topological stops =
some localised pocket of energy, the topological soliton, from =
collapsing in on itself. These topological solitons are fascinating =
objects of study. On a theoretical level because in many ways they act =
like emergent particles, and on a practical level as possible =
information carriers of the future. I will summarise why we are =
interested in topological solitons, where they appear and what kind =
of questions we are interested in asking, with examples in my own =
research.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=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:: 29th April =
2021 at 11:00
content:: Bruno Barton-Singer (Heriot-Watt University) will =
present an introductory level talk on magnetic skyrmions and topological =
solitons. See the seminar webpage =
for more details https://maths.ucd.ie/ACMSeminars/2021/<=
/pre>

=

--Apple-Mail=_A75DF12B-9E79-46E6-8333-299464566EC5--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 26 12:11:15 2021
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Date:         Mon, 26 Apr 2021 12:10:33 +0100
Reply-To:     Maria G Meehan 
Sender:       UCD Maths Department Distribution List 
From:         Maria G Meehan 
Subject: maths: Mathematics Education Seminar - UCD - 29 April at 4:20-5:00pm
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As part of an "Afternoon of Computation in Science" talks in UCD on
Thursday, 29 April,

*Professor Elise Lockwood, Department of Mathematics, Oregon State
University *will speak on:



*Integrating Programming in Mathematics Education: A Case of Undergraduate
Students=E2=80=99 Combinatorial Thinking in a Computational Setting*



*Abstract: *Computational activity, and programming in particular, comprise
an increasingly essential aspect of mathematical activity, and engaging in
computing is as accessible as it ever has been. Given the growing influence
of computers within mathematics, we, as mathematics educators, should
strive to integrate computational activity into our students=E2=80=99 mathe=
matical
experiences, providing opportunities for students to engage with
computational tools as they reason about and learn mathematical concepts.
In this talk, I present findings from a study in which undergraduate novice
programmers engaged with Python programming as they solved combinatorial
problems. I highlight noteworthy aspects of students=E2=80=99 experiences w=
ith
computing in this mathematical context, including benefits and drawbacks of
a computational environment. I suggest that even for students with little
programming experience, the computational environment supported their
combinatorial reasoning in valuable ways. I conclude by addressing
practical issues related to implementation and discussing pedagogical
implications.

https://ucd-ie.zoom.us/j/62218449694?pwd=3DdzBvTmpjM2tzQUtMNGVOYzRqc2t5dz09

All are welcome! This afternoon of talks is part of a larger project funded
by the National Forum for the Enhancement of Teaching and Learning.

The entire schedule of talks with abstracts is below:

*2:00 =E2=80=93 2:40 *Professor Marcos D. =E2=80=9CDanny=E2=80=9D Caballero=
, Department of Physics
and Astronomy, Michigan State University



*Teaching a Computationally Integrated Quantum Physics Course Online*



*Abstract:* At Michigan State University, we have been integrating
computational modeling into our majors' courses including in Classical
Mechanics, Electromagnetism, and Quantum Mechanics for the last several
years. As we have moved to online learning as a result of the ongoing
COVID-19 pandemic, we have had to shift computational instruction to a
fully online format. In this talk, I will detail the design of a
computationally integrated Quantum Mechanics course that has been offered
fully online. Quantum Mechanics is a keystone of physics education -
students learn how to approach sophisticated models and non-classical ways
of thinking all while developing their mathematical toolbox. In this
presentation, I will outline learning goals, course activities, and
assessments. In addition, I will offer advice for how some elements of this
course might continue as we return to in-person instruction.



*2:40 =E2=80=93 3:20 *Professor Anders Malthe-S=C3=B8renssen, Centre for Co=
mputing in
Science Education, University of Oslo



*Computational literacy as a driver for disciplinary renewal*



Computing =E2=80=93 using computers to solve problems =E2=80=93 is changing=
 the practice of
the natural sciences, humanities, and social sciences. However, most
educational content does not yet reflect this change and the use of
computing is currently sparsely integrated into educational curriculums.
This poses an exciting opportunity to rethink the contents of our
educations and to integrate the use of computing as a natural component in
the various disciplinary subjects. This opens for teaching students
computational literacy and allowing them to develop computing as a natural
part of their professional skill-set and identity.

We provide examples of how the integration of computing into all science
bachelor programs at the University of Oslo has changed both the content
and the form of the education. We provide examples of how introductory
courses in programming has been adapted to disciplinary contexts and how
computational essays are used to support student agency. We also provide
examples of how similar principles can be integrated in social science,
such as economics, and the humanities.





*3.20 - 3.40 *Break



*3:40 =E2=80=93 4:20 *Dr Alanna Pawlak, Center for STEM Learning, Universit=
y of
Colorado



*Learning assistant approaches to teaching computational physics problems
in a problem-based learning course *



*Abstract:* Many introductory physics courses are incorporating
computational problems into their curriculum, and understanding how
instructors approach teaching such problems is important for improving
instruction and problem design. In this talk, I will discuss a
phenomenographic study in which I conducted interviews with undergraduate
learning assistants in a problem-based introductory mechanics course that
incorporates several computational problems. Their prior involvement as
students, along with their relatively fewer experiences with programming
and physics compared to the faculty instructors, give them a unique
perspective on teaching in the course. The primary result of this study was
the identification of four approaches that learning assistants make take to
teaching computational problems in this course. These approaches, *programm=
ing
focus, learning physics via computation focus, computation as a tool focus,
and shifting perceptions of learning focus*, give insight into the
different ways learning assistants perceive computational problems, the
extent to which their teaching approaches align with course learning goals,
and how we might affect their approaches through training and support.



*4:20 =E2=80=93 5:00 *Professor Elise Lockwood, Department of Mathematics, =
Oregon
State University



*Integrating Programming in Mathematics Education: A Case of Undergraduate
Students=E2=80=99 Combinatorial Thinking in a Computational Setting*


***********************************************************
Assoc. Prof. Maria Meehan
School Head of Teaching and Learning,
School of Mathematics and Statistics,
University College Dublin,
Belfield,
Dublin 4,
Ireland.
Tel.: + 353 1 716 2581

--0000000000006906e605c0de3229
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

As part of an "Afternoon of Computation in Science&=
quot; talks in UCD on Thursday, 29 April,
Professor Elise Lockwood, Department=
 of
Mathematics, Oregon State University will speak on:


=C2=A0

Integra=
ting
Programming in Mathematics Education: A Case of Undergraduate Students=E2=
=80=99
Combinatorial Thinking in a Computational Setting

=C2=A0

Abstract: Computational activity, and programming in
particular, comprise an increasingly essential aspect of mathematical activ=
ity,
and engaging in computing is as accessible as it ever has been. Given the
growing influence of computers within mathematics, we, as mathematics
educators, should strive to integrate computational activity into our stude=
nts=E2=80=99
mathematical experiences, providing opportunities for students to engage wi=
th
computational tools as they reason about and learn mathematical concepts. I=
n
this talk, I present findings from a study in which undergraduate novice
programmers engaged with Python programming as they solved combinatorial
problems. I highlight noteworthy aspects of students=E2=80=99 experiences w=
ith
computing in this mathematical context, including benefits and drawbacks of=
 a
computational environment. I suggest that even for students with little
programming experience, the computational environment supported their
combinatorial reasoning in valuable ways. I conclude by addressing practica=
l
issues related to implementation and discussing pedagogical implications.

https://ucd-ie.zoom.us/j/62218449694?pwd=3DdzBv=
TmpjM2tzQUtMNGVOYzRqc2t5dz09

All are welcome! This afternoon of talks is part of a larger proje=
ct funded by the National Forum for the Enhancement of Teaching and Learnin=
g.

The entire schedule=C2=A0of talks with abstracts is below:<=
div dir=3D"ltr">
2:00 =E2=80=93
2:40 Professor Marcos D. =E2=80=9CDanny=E2=80=9D Caballero,
Department of Physics and Astronomy, Michigan State University 

=C2=A0

Teachin=
g a Computationally
Integrated Quantum Physics Course Online

=C2=A0

Abstrac=
t: At Michigan=
 State University, we have been
integrating computational modeling into our majors' courses including i=
n
Classical Mechanics, Electromagnetism, and Quantum Mechanics for the last
several years. As we have moved to online learning as a result of the ongoi=
ng
COVID-19 pandemic, we have had to shift computational instruction to a full=
y
online format. In this talk, I will detail the design of a computationally
integrated Quantum Mechanics course that has been offered fully online. Qua=
ntum
Mechanics is a keystone of physics education - students learn how to approa=
ch
sophisticated models and non-classical ways of thinking all while developin=
g
their mathematical toolbox. In this presentation, I will outline learning
goals, course activities, and assessments. In addition, I will offer advice=
 for
how some elements of this course might continue as we return to in-person
instruction.

=C2=A0

2:40 =E2=80=93
3:20 Professor Anders Malthe-S=C3=B8renssen, Centre
for Computing in Science Education, University of Oslo

=C2=A0

Computa=
tional literacy as a driver
for disciplinary renewal

=C2=A0

Computing =
=E2=80=93 using computers to
solve problems =E2=80=93 is changing the practice of the natural sciences, =
humanities,
and social sciences. However, most educational content does not yet reflect
this change and the use of computing is currently sparsely integrated into
educational curriculums. This poses an exciting opportunity to rethink the
contents of our educations and to integrate the use of computing as a natur=
al
component in the various disciplinary subjects. This opens for teaching
students computational literacy and allowing them to develop computing as a
natural part of their professional skill-set and identity.



We provide examples of how the integration of
computing into all science bachelor programs at the University of Oslo has
changed both the content and the form of the education. We provide examples=
 of
how introductory courses in programming has been adapted to disciplinary
contexts and how computational essays are used to support student agency. W=
e
also provide examples of how similar principles can be integrated in social
science, such as economics, and the humanities.

=C2=A0

=C2=A0

3.20 - 3.40
Br=
eak

=C2=A0

3:40 =E2=80=93
4:20 Dr Alanna Pawlak, Center for STEM
Learning, University of Colorado

=C2=A0

Learning assistant approaches to
teaching computational physics problems in a problem-based learning
course=C2=A0

=C2=A0

Abstrac=
t: Many
introductory physics courses are incorporating computational problems into
their curriculum, and understanding how instructors approach teaching such
problems is important for improving instruction and problem design. In this
talk, I will discuss a phenomenographic study in which I conducted intervie=
ws
with undergraduate learning assistants in a problem-based introductory
mechanics course that incorporates several computational problems. Their pr=
ior
involvement as students, along with their relatively fewer experiences with
programming and physics compared to the faculty instructors, give them a un=
ique
perspective on teaching in the course.=C2=A0The
primary result of this study was the identification of four approaches that
learning assistants make take to teaching computational problems in this
course. These approaches,=C2=A0programming focus, learning physics via
computation focus, computation as a tool focus, and shifting perceptions of
learning focus, give insight into the different ways learning assistant=
s perceive
computational problems, the extent to which their teaching approaches align
with course learning goals, and how we might affect their approaches throug=
h
training and support.=


=C2=A0

4:20 =E2=80=93
5:00 Professor Elise Lockwood, Department of
Mathematics, Oregon State University

=C2=A0

Integra=
ting
Programming in Mathematics Education: A Case of Undergraduate Students=E2=
=80=99
Combinatorial Thinking in a Computational Setting

=C2=A0
***************************************************=
********
Assoc. Prof. Maria Meehan
School Head of T=
eaching and Learning,
School of Mathematics and Statistics,
University College Dublin,
Belfield,
Dublin 4,
Ireland.
Tel.: + 353 1 716 2581


--0000000000006906e605c0de3229--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 26 22:59:48 2021
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Date:         Mon, 26 Apr 2021 22:59:15 +0100
Reply-To:     "Denjoe O'Connor" 
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From:         "Denjoe O'Connor" 
Subject: maths: DIAS Zoominar Wed April 28th at 14:30 speaker David A. Huse
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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
Wednesday April 28th by David A. Huse

Date: Wednesday 21th April
Time: 14:30
https://zoom.us/j/417720461?pwd=dTdNdXBpU2EweU9mM3VNWEUyU01odz09
Meeting ID: 417 720 461
Password: 107981

                        David A. Huse

                     Princeton University


Title: Many-body localization

Abstract: In this seminar I will discuss some aspects of the present 
theoretical understanding of many-body localization (MBL) and the novel 
dynamic phase transition from MBL to thermalization. Many-body 
localization is the interacting version of Anderson localization in 
highly-excited states of a quantum many-body system. It is the failure of 
such a system to (self-)thermalize: MBL systems fail to act a bath for 
themselves and bring their subsystems to thermal equilibrium. MBL is a 
type of emergent integrability with a complete set of localized conserved 
operators. However, these conservation laws do not really produce good 
quantum numbers, so weak level repulsion and many-body resonances remain 
within the MBL phase. In this sense the MBL phase is a “gapless” critical 
phase, and it is quite fragile to very slow thermalization.


Note: At the request of the speaker this seminar will NOT be recorded.

Upcoming:

Peter Millington      May  5th
Anastasia Volovich    May 12th
Jean Alexandre        May 19th

Sakura Schafer-Nameki postponed

With best wishes,
Denjoe.
--111151493-780506895-1619474054=:2813371--

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Reply-To:     Jan Manschot 
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From:         Jan Manschot 
Subject: maths: 2nd announcement HMI workshop "Quantum Gravity and Modularity"
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Dear colleagues,

This is the 2nd announcement for the workshop =E2=80=9CQuantum Gravity =
and Modularity", which will take place from 3 - 14 May 2021 at the =
Hamilton Mathematics Institute, TCD.=20
See our updated website for the schedule and talk titles: =
https://www.maths.tcd.ie/~aradhita/hmiev.html =


Best wishes,

Aradhita Chattopadhyaya, Jan Manschot, Maria Schimpf

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

HMI workshop =E2=80=9CQuantum Gravity and Modularity"
3 - 14 May 2021, Dublin=20

This multi-disciplinary workshop discusses recent developments in =
quantum gravity, string theory and AdS/CFT, as well as closely related =
mathematical subjects, such as analytic number theory, modularity and =
algebraic geometry. All talks will take place on Zoom.

Topics:
Modularity and black hole entropy
Moonshine phenomena
Partition function of 3D AdS theories
Geometric counting invariants
Swampland conjecture and metastable dS universe

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. The =
workshop is supported by the Irish Research Council, Hamilton =
Mathematics Institute, Science Foundation Ireland and the Simons =
Foundation.

Confirmed speakers:
Luis Fernando Alday (Oxford University)
David Andriot (University of Technology, Vienna)
Kathrin Bringmann (University of Cologne)
Niccolo Cribiori (University of Technology, Vienna)
Sarah Harrison (McGill University)
Tom Hartman (Cornell University)
Sameer Murthy (King's College London)
Suresh Nampuri (Instituto Superior Tecnico, Lisbon University)
Georg Oberdieck (University of Bonn)
Daniel Persson (Chalmers University of Technology)
Thorsten Schimannek (University of Vienna)
Ashoke Sen (Harish Chandra Research Institute, Allahabad India)
Harald Skarke (University of Technology, Vienna)
Roberto Volpato (University of Padova)
Timm Wrase (Lehigh University)
=
--------------------------------------------------------------------------=
--------------------------------------------------------------------------=
------------

title:: Quantum Gravity and Modularity
date-time:: 3th May 2019 at 9:00am
location:: Zoom
endevent::=

--Apple-Mail=_169A924E-45B6-4396-B00D-3551FDFC4DCC
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	charset=utf-8

Dear colleagues,

This is the 2nd announcement for the =
workshop =E2=80=9CQuantum Gravity and Modularity", which will take =
place from 3 - 14 May 2021 at the Hamilton Mathematics Institute, =
TCD. 
See our updated website for the schedule =
and talk titles: https://www.maths.tcd.ie/~aradhita/hmiev.html

Best wishes,

Aradhita Chattopadhyaya, =
Jan Manschot, Maria Schimpf

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

HMI workshop =E2=80=9CQuan=
tum Gravity and Modularity"
3 =
- 14 May 2021, Dublin 

This multi-disciplinary =
workshop discusses recent developments in quantum gravity, string theory =
and AdS/CFT, as well as closely related mathematical subjects, such as =
analytic number theory, modularity and algebraic geometry. All talks =
will take place on Zoom.
Topics:
Modularity and black hole entropy
Moonshine phenomena
Partition function of 3D AdS =
theories
Geometric =
counting invariants
Swampland conjecture and metastable dS =
universe

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. The workshop is =
supported by the Irish Research Council, Hamilton Mathematics Institute, =
Science Foundation Ireland and the Simons Foundation.

Confirmed =
speakers:
Luis Fernando Alday (Oxford University)
David Andriot (University of =
Technology, Vienna)
Kathrin Bringmann (University of Cologne)
Niccolo Cribiori (University of =
Technology, Vienna)
Sarah Harrison (McGill University)
Tom Hartman (Cornell =
University)
Sameer =
Murthy (King's College London)
Suresh Nampuri (Instituto Superior Tecnico, Lisbon =
University)
Georg =
Oberdieck (University of Bonn)
Daniel Persson (Chalmers University of Technology)
Thorsten Schimannek =
(University of Vienna)
Ashoke Sen (Harish Chandra Research Institute, Allahabad =
India)
Harald =
Skarke (University of Technology, Vienna)
Roberto Volpato (University of =
Padova)
Timm Wrase =
(Lehigh University)
---------------------------------------------------------------=
--------------------------------------------------------------------------=
-----------------------

title:: Quantum Gravity =
and Modularity
date-time:: 3th May 2019 at 9:00am
location:: Zoom
endevent::=

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From owner-mathdep LISTSERV.HEANET.IE  Fri Apr 30 11:49:29 2021
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Date:         Fri, 30 Apr 2021 11:49:14 +0100
Reply-To:     Natalia Kopteva 
Sender:       UCD Maths Department Distribution List 
From:         Natalia Kopteva 
Subject: maths: INAF seminar, Thu 6 May, Catherine Powell (Manchester)
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The next INAF (Irish Numerical Analysis Forum) seminar will be given on Thu 6 May 2021, 14:00 (Dublin) by

Catherine Powell (University of Manchester)

Adaptive Stochastic Galerkin Approximation for Parameter-Dependent PDEs

In this talk, we discuss numerical analysis aspects of stochastic Galerkin approximation for performing forward uncertainty quantification (UQ) in PDE models with uncertain (or parameter-dependent) inputs. Starting with a scalar elliptic test problem, we first describe a general strategy for performing a posteriori error estimation to drive adaptive solution algorithms. We then discuss how this methodology can be extended to a more challenging linear elasticity problem with uncertain Young’s modulus. We introduce a three-field parameter-dependent PDE model and develop an adaptive stochastic Galerkin mixed finite element scheme. We estimate the error in the natural weighted norm with respect to which the weak formulation is stable. Exploiting the connection between this norm and the underlying PDE operator also leads to an efficient block-diagonal preconditioning scheme for the associated discrete problems. Both the error estimator and the preconditioner are provably robust in the incompressible limit. If time allows, we will also discuss recent work for poroelasticity problems.

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:: Catherine Powell (Manchester)
:: Adaptive Stochastic Galerkin Approximation for Parameter-Dependent PDEs
date-time:: Thursday 6 May, 14:00
location:: ZOOM; register at https://staff.ul.ie/natalia/inaf
endevent::

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Message-ID:  
Date:         Fri, 30 Apr 2021 12:56:31 +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 final Mathematics and Statistics Colloquium for this academic year take=
s place Wednesday 5th May at 4pm. The talks will be held virtually this sem=
ester via Microsoft Teams. Details of the talk and a link to join the meeti=
ng are given below. All are welcome.

Very best wishes,
Niamh

___________________________________________________________________________=
_____
Speaker: Patricia Peres Araripe, University of S=E3o Paulo

Title: Diagnostics for nominal data analysis

Click to join: Click here to join the meeting

Abstract: In the agronomic or biological areas, experiments with a categori=
cal response are usual. The categorical variable is obtained by a finite nu=
mber of categories and classified as polytomous when it has more than two c=
ategories. The generalized logit models, class members of Generalized Linea=
r Models, are commonly used to fit a polytomous variable with a nominal sca=
le (without order between the categories). After choosing a statistical mod=
el, an important step is the residuals and diagnostics analysis. However, t=
his method for assessing the adequacy of these models is still emerging and=
 extremely necessary in the class of discrete models. It is presented the r=
ecently developed residuals by Chen, Wang, and Zhang (2020) and illustrated=
 them using a literature example. Then, it will be discussing the results o=
f the simulation studies using distance measures in the residuals analysis.

___________________________________________________________________________=
___
Niamh Cahill, PhD
Lecturer/Assistant Professor
Maynooth University Department of Mathematics and Statistics













--_000_DB7PR02MB3977B9C69D6D6A06A35379348E5E9DB7PR02MB3977eurp_
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Dear colleagues,


 
The
final Mathematics and Statistics Colloquium for this ac=
ademic year takes place
Wednesday 5th May at 4pm. The t=
alks will be held virtually this semester via Microsoft Teams. Details of t=
he talk and a link to join the meeting
 are given below. All are welcome. 
 
Very best wishes,

Niamh

 <=
/o:p>
_________________________________________________=
_______________________________
Speaker: Patricia Peres Araripe, University o=
f S=E3o Paulo<=
/p>
 
Title: Diagnostics for nominal data analysis<=
o:p>
 
Click to join: Click
 here to join the meeting
 
Abstract: In the agronomic or biological area=
s, experiments with a categorical response are usual. The categorical varia=
ble is obtained by a finite number of categories and classified as polytomo=
us when it has more than two categories.
 The generalized logit models, class members of Generalized Linear Models, =
are commonly used to fit a polytomous variable with a nominal scale (withou=
t order between the categories). After choosing a statistical model, an imp=
ortant step is the residuals and
 diagnostics analysis. However, this method for assessing the adequacy of t=
hese models is still emerging and extremely necessary in the class of discr=
ete models. It is presented the recently developed residuals by Chen, Wang,=
 and Zhang (2020) and illustrated
 them using a literature example. Then, it will be discussing the results o=
f the simulation studies using distance measures in the residuals analysis.=

 
_________________________________________________=
_____________________________

Niamh Cahill, Ph=
D
Lecturer/Assistant Pr=
ofessor
Maynooth University=
 Department of Mathematics and Statistics
























 <=
/o:p>




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UCD School of Mathematics and Statistics - Seminar Notice


	*Speaker:* Ellen Eischen (University of Oregon)

	*Title:* Some congruences and consequences in number theory and beyond


	*Date:* Thu 7th Apr 2022

	*Time:* 5:00 PM (Note the unusual time)

	*Location:* Online
*Abstract:* In the mid-1800s, Kummer observed some striking
congruences between certain values of the Riemann zeta function, which
have important consequences in algebraic number theory, in particular
for unique factorization in certain rings. In spite of its potential,
this topic lay mostly dormant for nearly a century until it was
revived by Iwasawa in the mid-1950s. Since then, advances in
arithmetic geometry and number theory (in particular, for modular
forms, certain analytic functions that play a central role in number
theory) have enabled substantial extension to congruences in the
context of other arithmetically significant data, and this has
remained an active area of research. In this talk, I will survey old
and new tools for studying such congruences. I will conclude by
introducing some unexpected challenges that arise when one tries to
take what would seem like immediate next steps beyond the current
state of the art.


*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:: Some congruences and consequences in number theory and beyond
content:: Ellen Eischen (University of Oregon)
:: UCD Algebra and Number Theory seminar
(http://maths.ucd.ie/seminarseries/Algebra)
location:: Online
date-time:: Thu 7th Apr 2022 at 5:00PM

--0000000000005a38e005db91ad5e
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

UC=
D School of Mathematics and Statistics - Seminar Notice

=20
	Speaker: Ellen Eischen (University of Oregon)
=20
	Title: Some congruences and consequences in number theory and beyon=
d

=20
	Date: Thu 7th Apr 2022
=20
	Time: 5:00 PM (Note the unusual time)=20
=20
	Location: Online

Abstract: In the mid-1800s, Kummer observed some striking congruence=
s between certain values of the Riemann zeta function, which have important=
 consequences in algebraic number theory, in particular for unique factoriz=
ation in certain rings. In spite of its potential, this topic lay mostly do=
rmant for nearly a century until it was revived by Iwasawa in the mid-1950s=
. Since then, advances in arithmetic geometry and number theory (in particu=
lar, for modular forms, certain analytic functions that play a central role=
 in number theory) have enabled substantial extension to congruences in the=
 context of other arithmetically significant data, and this has remained an=
 active area of research. In this talk, I will survey old and new tools for=
 studying such congruences. I will conclude by introducing some unexpected =
challenges that arise when one tries to take what would seem like immediate=
 next steps beyond the current state of the art.

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:: Some congruences and consequences in number theory and beyond
content:: Ellen Eischen (University of Oregon)
:: UCD Algebra and Number Theory seminar (http://maths.ucd.ie/seminarseries/Al=
gebra)=20
location:: Online
date-time:: Thu 7th Apr 2022 at 5:00PM  


--0000000000005a38e005db91ad5e--

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Message-ID:  
Date:         Fri, 1 Apr 2022 11:06:48 +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,

The next Mathematics and Statistics Colloquium for this academic year takes=
 place Wednesday 6th April 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 Sara Mazzonetto, Institut de math=E9matiques =C9lie Cartan Lorr=
aine, Universit=E9 de Lorraine (site de Nancy)

Title: Maximum likelihood estimation : an asymptotic expansion

Click to join:
Microsoft Teams meeting
Join on your computer or mobile app
Click here to join the meeting
Learn more | Meeting options

Abstract: Maximum likelihood estimation (MLE) is one of the most common est=
imation techniques in statistics.
Often, finding the MLE corresponds to finding the zero of a random function=
. This is the case for simple models, such as the binomial one but also in =
models from statistics of diffusions.
Motivated by the study of the asymptotic behavior of MLEs, in particular th=
e skewness from the limit distribution, we provide expansions of MLEs.
The expansions are based on a sort of asymptotic version of the implicit fu=
nction theorem.
Sfter introducing all necessary notions, if time permits, we will discuss a=
pplications in statistics of diffusions.
Based on a work in progress with Antoine Lejay (IECL).


Galatia Cleanthous
Assistant Professor
National University of Ireland,
Maynooth
Home (google.com)

[cid:639f7c86-1c5e-412d-8ebd-069fde03d64e]


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Dear
 colleagues,=



















The nex=
t Mathematics and Statistics Colloquium for this academic year takes place<=
/span> Wednesday 6th April 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 Sara Mazzonetto, Institu=
t de math=E9matiques =C9lie Cartan Lorraine, Universit=E9 de Lorraine (site=
 de Nancy)


Ti=
tle: Maximum likelihood estimation : an asymptotic expansion

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: Maximum likelihood estimation (MLE) is one of the most com=
mon estimation techniques in statistics.
Often, finding the MLE corresponds to finding the zero of a=
 random function. This is the case for simple models, such as the binomial =
one but also in models from statistics of diffusions.
Motivated by the study of the asymptotic behavior of MLEs, =
in particular the skewness from the limit distribution, we provide expansio=
ns of MLEs.
The expansions are based on a sort of asymptotic version of=
 the implicit function theorem.
Sfter introducing all necessary notions, if time permits, w=
e will discuss applications in statistics of diffusions.
Based on a work in progress with Antoine Lejay (IECL).

























Galatia Cleanthous


Assistant Professor


National University of Ireland,
Maynooth

Home (google.c=
om)














--_000_DB9PR02MB65375A33FBDDF2CD9D1637C789E09DB9PR02MB6537eurp_--

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Subject: maths: INAF seminar, Thu 7 April, Pavel Bochev (Sandia)
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The next INAF (Irish Numerical Analysis Forum) seminar will be given on 7 April 2022, ***16:00*** (Dublin; NOTE the unusual time) by

Pavel Bochev (Sandia National Laboratories, USA)

Data-driven, compact models for radiation-induced photocurrent effects

When a semiconductor device is exposed to a pulse of ionizing radiation, it produces excess carriers that are not present in normal environments. The photocurrents generated by these carriers can alter the behavior of the device and present threats for microelectronic components operating in radiation environments such as navigation and communication satellites. Analysis of radiation effects on electrical circuits requires computationally efficient compact radiation models. Currently, development of such models is dominated by analytic techniques that rely on empirical assumptions and physical approximations to render the governing equations solvable in closed form.

At the same time, data-driven techniques combining system identification and/or model order reduction (MOR) have been successfully applied across many disciplines. However, despite their proven ability to produce computationally efficient reduced order models (ROM), these ideas have not yet been explored for radiation effects, where traditional analytic techniques dominate. In this context, data-driven approaches hold a significant promise as a compact model development tool because they have the potential to deliver compact models unburdened by the physical approximations and assumptions necessary for the analytic models.

In this talk we present a hybrid analytic-numerical approach to replace analytic solutions of the governing equations by numerical ones obtained from synthetic and/or experimental data by using a hierarchy of data-driven and machine-learning approaches, combined with model-order-reduction techniques. This obviates the need for additional approximations and yields a hierarchy of accurate and computationally efficient compact photocurrent models. We demonstrate these models by comparing their predictions with those of state-of-the-art analytic models using synthetic data and photocurrent measurements obtained at the Little Mountain Test Facility at Hill AFB, Utah.



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:: Pavel Bochev (Sandia)
:: Data-driven, compact models for radiation-induced photocurrent effects
date-time:: Thursday 7 April 16:00
location:: ZOOM; register at https://staff.ul.ie/natalia/inaf
endevent::
 
 
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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Reply-To:     "Kerin, Martin" 
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Subject: maths: Irish Geometry Seminar, Tuesday, 5 April, 2pm
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Dear colleagues,
It is my pleasure to announce this week's talk in the Irish Geometry Semina=
r.  The seminar will take place at 2pm (Irish time) on Tuesday, 5 April.

[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: Kevin Poljsak (WWU M=FCnster)

Title: Towards Finding the Second Best Einstein Metric in Low Dimensions

Abstract: A metric $g$ on a simply connected manifold $M$ is called the sec=
ond best Einstein metric, if $(M,g)$ is an Einstein manifold with positive =
scalar curvature which is non isometric to the sphere and its curvature ope=
rator $R$ minimizes the angle $\sphericalangle(R(p), Id)$ to the identity a=
t each point $p \in M$ among all Einstein manifolds with the properties abo=
ve.

In this talk we use the identity $2(\text{scal}/n) R =3D \Delta R + 2(R^2+R=
^{\#})$ that holds for all Einstein manifolds in order to present an approa=
ch finding the second best Einstein metric in dimensions $\leq 11$.


Zoom details:
Direct link: https://nuigalway-ie.zoom.us/j/95219875196?pwd=3DZE9yNTJ2ZmtwR=
01PVnZMeDB6SGUyUT09

Meeting ID: 952 1987 5196
Passcode: 662475
-----------------------------------------------

The full schedule of talks is available at https://sites.google.com/view/ir=
ishgeomseminar/home.

We're looking forward to you joining us.

All the best,
Martin


--_000_VI1PR01MB46704A6FD0AFE2D3B6085315F7E59VI1PR01MB4670eurp_
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Dear colleagues,
It is my pleasure to announce this week's talk in th=
e Irish Geometry Seminar.  The seminar will take place at
2pm (Irish time) on Tuesday, 5 April.  



[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: Kevin Poljsak (WWU M=FCnster)



Title: Towards Finding the Second Best Einstein Metric in Low Dimens=
ions



Abstract: A metric $g$ on a simply connected manifold $M$ is called =
the second best Einstein metric, if $(M,g)$ is an Einstein manifold with po=
sitive scalar curvature which is non isometric to the sphere and its curvat=
ure operator $R$ minimizes the angle
 $\sphericalangle(R(p), Id)$ to the identity at each point $p \in M$ among =
all Einstein manifolds with the properties above.  
 
In this talk we use the identity $2(\text{scal}/n) R=
 =3D \Delta R + 2(R^2+R^{\#})$ that holds for all Einstein manifolds in ord=
er to present an approach finding the second best Einstein metric in dimens=
ions $\leq 11$.
 


Zoom details:

Direct link: 
https://nuigalway-ie.zoom.us/j/95219875196?pwd=3DZE9yNTJ2ZmtwR01PVnZMeDB6SG=
UyUT09



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 
&nbs=
p;




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Subject: Dublin Theoretical Physics Colloquium
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Dear All,

Next Wednesday, 6th of April at 4pm we will have the next Dublin
Theoretical Physics Colloquium

Title: Applications of twisted quantum field theory
Speaker: Davide Gaiotto (Perimeter I.)

Abstract:
I will give an overview of recent applications of twisted quantum field 
theories to
the Geometric Langlands program, the theory of Vertex Operator Algebras 
and Holography

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:: Davide Gaiotto (Perimeter I.)
:: Applications of twisted quantum field theory::
date-time:: 6th of April 2022 at 4pm

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Date:         Tue, 5 Apr 2022 08:33:45 +0000
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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 6th April 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 Sara Mazzonetto, Institut de math=E9matiques =C9lie Cartan Lorr=
aine, Universit=E9 de Lorraine (site de Nancy)

Title: Maximum likelihood estimation : an asymptotic expansion

Click to join:
Microsoft Teams meeting
Join on your computer or mobile app
Click here to join the meeting
Learn more | Meeting options

Abstract: Maximum likelihood estimation (MLE) is one of the most common est=
imation techniques in statistics.
Often, finding the MLE corresponds to finding the zero of a random function=
. This is the case for simple models, such as the binomial one but also in =
models from statistics of diffusions.
Motivated by the study of the asymptotic behavior of MLEs, in particular th=
e skewness from the limit distribution, we provide expansions of MLEs.
The expansions are based on a sort of asymptotic version of the implicit fu=
nction theorem.
Sfter introducing all necessary notions, if time permits, we will discuss a=
pplications in statistics of diffusions.
Based on a work in progress with Antoine Lejay (IECL).



Galatia Cleanthous
Assistant Professor
National University of Ireland,
Maynooth
Home (google.com)

[cid:69251499-160c-41a0-acd0-be3fb5b6e16f]


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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 6th April 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 Sara Mazzonetto, Institu=
t de math=E9matiques =C9lie Cartan Lorraine, Universit=E9 de Lorraine (site=
 de Nancy)


Ti=
tle: Maximum likelihood estimation : an asymptotic expansion

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: Maximum likelihood estimation (MLE) is one of the most com=
mon estimation techniques in statistics.
Often, finding the MLE corresponds to finding the=
 zero of a random function. This is the case for simple models, such as the=
 binomial one but also in models from statistics of diffusions.
Motivated by the study of the asymptotic behavior=
 of MLEs, in particular the skewness from the limit distribution, we provid=
e expansions of MLEs.
The expansions are based on a sort of asymptotic =
version of the implicit function theorem.
Sfter introducing all necessary notions, if time =
permits, we will discuss applications in statistics of diffusions.
Based on a work in progress with Antoine Lejay (IECL).






























Galatia Cleanthous


Assistant Professor


National University of Ireland,
Maynooth

Home (google.c=
om)














--_000_DB9PR02MB65371D20E89102D83AFA6ED489E49DB9PR02MB6537eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Tue Apr  5 17:44:09 2022
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Subject: maths: DIAS Zoominar Thursday April 7th 14:30 speaker Hai-Qing Zhang
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Dear Colleagues,
                 please join us for our upcoming Theoretical Physics Seminar on 
Thursday April 7th by Hai-Qing Zhang

Date: Thursday April 7th
Seminar Time: 14:30
https://us02web.zoom.us/j/6199730148?pwd=SjVGcTJWQmZZNndHenMyRStsL0lKdz09
Meeting ID: 619 973 0148
Passcode: 122512

                            Hai-Qing Zhang
                       Beihang University, China

Title: Universal Statistics of Vortices in a Holographic Superconductor: 
Beyond the Kibble-Zurek Mechanism

Abstract: Traversing a continuous phase transition at a finite rate leads 
to the breakdown of adiabatic dynamics and the formation of topological 
defects, as predicted by the celebrated Kibble-Zurek mechanism (KZM). We 
investigate universal signatures beyond the KZM, by characterizing the 
distribution of vortices generated in a thermal quench leading to the 
formation of a holographic superconductor. The full counting statistics of 
vortices is described by a binomial distribution, in which the mean value 
is dictated by the KZM and higher-order cumulants share the universal 
power-law scaling with the quench time. Extreme events associated with 
large fluctuations no longer exhibit a power-law behavior with the quench 
time and are characterized by a universal form of the Weibull distribution 
for different quench rates.

With best wishes,
Denjoe.

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Message-ID:  
Date:         Wed, 6 Apr 2022 07:29:27 +0000
Reply-To:     "Romina.Gaburro" 
Sender:       UCD Maths Department Distribution List 
From:         "Romina.Gaburro" 
Subject: Maths: MACSI Zoom seminar, Friday, April 8th 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 Ed Brambley (University of Warwic=
k) on Friday the 8th of April. Please find below the details of the seminar=
.



Zoom connection details:


Join Zoom Meeting


Meeting ID: 816 3625 8137
Passcode: 764182


Date:  Friday, April 8, 2022 at 15.00.


Speaker:  Dr Ed Brambley (Mathematics Institute, University of Warwick, U.K=
.).


Title: Mathematical Modelling of Metal Forming

Abstract: Metal is used in a wide range of manufacturing, including aerospa=
ce,
automotive, and construction.  It is also responsible for a considerable
amount of energy consumption and CO2 emission.  About 640 Mt CO2 per
year is used globally to produce steel that is subsequently scrapped
during manufacturing and doesn't make it into the final product; this is
the equivalent of about 100 coal-fired power stations.  In order to
reduce this energy demand, produce better products, and make more use of
recycled material, there is a current industrial demand for smarter
metal manufacturing processes.  These smarter processes are currently
being held back by a lack of predictive modelling: Finite Element Models
are too slow to be used in real-time online control, and ad-hoc
empirical models don't have the needed accuracy.

In this talk, I will explain how traditional applied mathematical
modelling, involving continuum modelling and asymptotics, may be the
answer.  I will go through the basics of plastic deformation with a
simple example of sheet metal rolling.  I will then explain why even
this simple case is far from simple.  The talk will pose more questions
than it answers, as it forms the basis of a 4-year research project I am
just starting, and so comments, suggestions, and potential
collaborations are especially welcome.


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_DB9PR03MB7628C0FD835E3F772D843DE587E79DB9PR03MB7628eurp_
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 Ed Brambley (University
 of Warwick) on Friday the 8^th of April. Please find below the deta=
ils of the seminar. 

&=
nbsp;

<=
/span>

Zoom connection details:







Join Zoo=
m Meeting

<https://us06web.zoom.us/j/81636258137?pwd=3DMWV6NHRWT3dIK3NPbDA0Q1VxbU4yQT09>



Meeting ID: 816 3625 =
8137
Passcode: 764182








Date:  Friday,
 April 8, 2022 at 15.00.<=
/p>







Speake=
r:  Dr
 Ed Brambley (Mathematics Institute, University of=
 Warwick, U.K.). 







Title:
 Mathematical Modelling of Metal Forming




<=
span style=3D"color:rgb(0,0,0); font-size:12pt; margin:0px; font-family:Cal=
ibri,Arial,Helvetica,sans-serif; background-color:white">Abstract: Metal
 is used in a wide range of manufacturing, including aerospace,
<=
span style=3D"color:rgb(0,0,0); font-size:12pt; margin:0px; font-family:Cal=
ibri,Arial,Helvetica,sans-serif; background-color:white">automotive, and co=
nstruction.  It is also responsible
 for a considerable

amount of energy =
consumption and CO2 emission.  About 640 Mt CO2 per

year is used glob=
ally to produce steel that is subsequently scrapped

during manufactur=
ing and doesn't make it into the final product; this is

the equivalent of=
 about 100 coal-fired power stations.  In order to

reduce this energ=
y demand, produce better products, and make more use of

recycled material=
, there is a current industrial demand for smarter

metal manufacturi=
ng processes.  These smarter processes are currently

being held back b=
y a lack of predictive modelling: Finite Element Models

are too slow to b=
e used in real-time online control, and ad-hoc

empirical models =
don't have the needed accuracy.



In this talk, I w=
ill explain how traditional applied mathematical

modelling, involv=
ing continuum modelling and asymptotics, may be the

answer.  I w=
ill go through the basics of plastic deformation with a

simple example of=
 sheet metal rolling.  I will then explain why even

this simple case =
is far from simple.  The talk will pose more questions

than it answers, =
as it forms the basis of a 4-year research project I am

just starting, an=
d so comments, suggestions, and potential

collaborations ar=
e especially welcome.




=






Further Information: If you have
 any questions regarding this seminar, please direct them to Romina Ga=
burro (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


 


 




























--_000_DB9PR03MB7628C0FD835E3F772D843DE587E79DB9PR03MB7628eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr  6 09:35:08 2022
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Dear All,

Today the 6th of April at 4pm we will have the next Dublin
Theoretical Physics Colloquium

Title: Applications of twisted quantum field theory
Speaker: Davide Gaiotto (Perimeter I.)

Abstract:
I will give an overview of recent applications of twisted quantum field
theories to
the Geometric Langlands program, the theory of Vertex Operator Algebras
and Holography

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:: Davide Gaiotto (Perimeter I.)
:: Applications of twisted quantum field theory::
date-time:: 6th of April 2022 at 4pm

For more about the MATHDEP list access http://maths.ucd.ie/mathdep
To change your mathdep preference, access 
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Date:         Thu, 7 Apr 2022 10:14:14 +0000
Reply-To:     "Carnevale, Angela" 
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From:         "Carnevale, Angela" 
Subject: maths: Workshop on Enumerative Combinatorics 2022 today: Zoom link
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Dear all,

Just a reminder that our Workshop on Enumerative Combinatorics 2022 will ta=
ke place this afternoon.

Here's the Zoom link:

https://nuigalway-ie.zoom.us/j/92089691602

A schedule and more information can be found at the following link

https://angelacarnevale.github.io/wec22/

We hope to see you there!

Best regards,
Angela Carnevale, Mark Dukes and G=F6tz Pfeiffer



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Dear all,





Just a reminder that our Workshop on Enumerative Combinatorics 2022 will ta=
ke place this afternoon.





Here's the Zoom link:





https://nuigalway-ie.zoom.us/j/920896=
91602







A schedule and more information can be found at the following link





https://angelacarnevale.github.io/wec22/<=
/a>






We hope to see you there!





Best regards,

Angela Carnevale, Mark Dukes and G=F6tz Pfeiffer











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From owner-mathdep LISTSERV.HEANET.IE  Fri Apr  8 08:16:41 2022
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UCD School of Mathematics and Statistics - Seminar Notice


	*Speaker:* Tim Dokchitser (Bristol)

	*Title:* Constructing Galois groups over Q


	*Date:* Thu 14th Apr 2022

	*Time:* 2:00PM

	*Location:* Seminar Room SCN 1.25
*Abstract:* The Inverse Galois Problem asks whether every finite group
G occurs as a Galois group over Q, and, stronger, over Q(t) with no
constant subfields. The constructive version of this problem also asks
to produce polynomials with the right Galois group. We discuss some
old and new methods and new results, including realisations of some
previously unknown groups, and families for all transitive groups of
degree <16 over Q(t) and all groups of order <128 over Q. The
algorithms discussed in the talk have been implemented in the Magma
package available from this linked page
 together with a list
of open problems on the computational aspects of the Inverse Galois
Problem.

*Further information:* https://maths.ucd.ie/~kazim_b/UCD_ANT_Seminar.html

*Please note the speaker will also give a Colloquium Talk on April 13,
Wednesday at 4 PM in the same room, with the title "Names of finite
groups".*

-------------------------------------------------------------
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:: Constructing Galois groups over Q
content:: Tim Dokchitser (Bristol)
:: UCD Algebra and Number Theory seminar
(http://maths.ucd.ie/seminarseries/Algebra)
location:: Seminar Room SCN 1.25
date-time:: Thu 14th Apr 2022 at 2:00PM

--0000000000002662a705dc1f5e7b
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

UCD School of Mathematics =
and Statistics - Seminar Notice

=20
	Speaker: Tim Dokchitser (Bristol)
=20
	Title: Constructing Galois groups over Q

=20
	Date: Thu 14th Apr 2022
=20
	Time: 2:00PM=20
=20
	Location: Seminar Room SCN 1.25

Abstract: The Inverse Galois Problem asks whether every finite group=
 G occurs as a Galois group over Q, and, stronger, over Q(t) with no consta=
nt subfields. The constructive version of this problem also asks to produce=
 polynomials with the right Galois group. We discuss some old and new metho=
ds and new results, including realisations of some previously unknown group=
s, and families for all transitive groups of degree <16 over Q(t) and al=
l groups of order <128 over Q. The algorithms discussed in the talk have=
 been implemented in the Magma package available from this linked page together with a =
list of open problems on the computational aspects of the Inverse Galois Pr=
oblem.Furt=
her information: https://maths.ucd.ie/~kazim_b/UCD_ANT_Seminar.ht=
ml=20

Please note the speaker will also give a Colloquium Talk on =
April 13, Wednesday at 4 PM in the same room, with the title "Names of=
 finite groups".

---------------=
----------------------------------------------
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:: Constructing Galois groups over Q
content:: Tim Dokchitser (Bristol)
:: UCD Algebra and Number Theory seminar (http://maths.ucd.ie/seminarseries/Al=
gebra)=20
location:: Seminar Room SCN 1.25
date-time:: Thu 14th Apr 2022 at 2:00PM  
=


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Date:         Fri, 8 Apr 2022 08:13:52 +0000
Reply-To:     "Romina.Gaburro" 
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From:         "Romina.Gaburro" 
Subject: Maths: MACSI Zoom seminar, TODAY, April 8th 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 Ed Brambley (University of Warwic=
k) TODAY, Friday the 8th of April. Please find below the details of the sem=
inar.



Zoom connection details:


Join Zoom Meeting


Meeting ID: 816 3625 8137
Passcode: 764182


Date:  Friday, April 8, 2022 at 15.00.


Speaker:  Dr Ed Brambley (Mathematics Institute, University of Warwick, U.K=
.).


Title: Mathematical Modelling of Metal Forming

Abstract: Metal is used in a wide range of manufacturing, including aerospa=
ce,
automotive, and construction.  It is also responsible for a considerable
amount of energy consumption and CO2 emission.  About 640 Mt CO2 per
year is used globally to produce steel that is subsequently scrapped
during manufacturing and doesn't make it into the final product; this is
the equivalent of about 100 coal-fired power stations.  In order to
reduce this energy demand, produce better products, and make more use of
recycled material, there is a current industrial demand for smarter
metal manufacturing processes.  These smarter processes are currently
being held back by a lack of predictive modelling: Finite Element Models
are too slow to be used in real-time online control, and ad-hoc
empirical models don't have the needed accuracy.

In this talk, I will explain how traditional applied mathematical
modelling, involving continuum modelling and asymptotics, may be the
answer.  I will go through the basics of plastic deformation with a
simple example of sheet metal rolling.  I will then explain why even
this simple case is far from simple.  The talk will pose more questions
than it answers, as it forms the basis of a 4-year research project I am
just starting, and so comments, suggestions, and potential
collaborations are especially welcome.


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_DB9PR03MB76287A213700D1ECB664138B87E99DB9PR03MB7628eurp_
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 Ed Brambley (University
 of Warwick) TODAY, Friday the 8<=
span>^th of April. Please find below the =
details of the seminar. 

&=
nbsp;

<=
/span>

Zoom connection details:







Join Zoom Meeting

<https://us06web.zoom.us/j/81636258137?pwd=3DMWV6NHRWT3dIK3NPbDA0Q1VxbU4yQT=
09>



Meeting ID: 816 3625 =
8137
Passcode: 764182








Date:  Friday,
 April 8, 2022 at 15.00.<=
/p>







Speake=
r:  Dr
 Ed Brambley (Mathematics Institute, University of=
 Warwick, U.K.). 







Title:
 Mathematical Modelling of Metal Forming




<=
span style=3D"color:rgb(0,0,0); font-size:12pt; margin:0px; font-family:Cal=
ibri,Arial,Helvetica,sans-serif; background-color:white">Abstract: Metal
 is used in a wide range of manufacturing, including aerospace,
<=
span style=3D"color:rgb(0,0,0); font-size:12pt; margin:0px; font-family:Cal=
ibri,Arial,Helvetica,sans-serif; background-color:white">automotive, and co=
nstruction.  It is also responsible
 for a considerable

amount of energy =
consumption and CO2 emission.  About 640 Mt CO2 per

year is used glob=
ally to produce steel that is subsequently scrapped

during manufactur=
ing and doesn't make it into the final product; this is

the equivalent of=
 about 100 coal-fired power stations.  In order to

reduce this energ=
y demand, produce better products, and make more use of

recycled material=
, there is a current industrial demand for smarter

metal manufacturi=
ng processes.  These smarter processes are currently

being held back b=
y a lack of predictive modelling: Finite Element Models

are too slow to b=
e used in real-time online control, and ad-hoc

empirical models =
don't have the needed accuracy.



In this talk, I w=
ill explain how traditional applied mathematical

modelling, involv=
ing continuum modelling and asymptotics, may be the

answer.  I w=
ill go through the basics of plastic deformation with a

simple example of=
 sheet metal rolling.  I will then explain why even

this simple case =
is far from simple.  The talk will pose more questions

than it answers, =
as it forms the basis of a 4-year research project I am

just starting, an=
d so comments, suggestions, and potential

collaborations ar=
e especially welcome.




=






Further Information: If you have
 any questions regarding this seminar, please direct them to Romina Ga=
burro (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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Date:         Fri, 8 Apr 2022 09:03:22 +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,

The next Mathematics and Statistics Colloquium for this academic year takes=
 place Wednesday 13th April 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 Bernardo Nipoti, Department of Economics, Management and Statis=
tics (DEMS), University of Milano Bicocca

Title: Optimal stratification of survival data via Bayesian nonparametric m=
ixtures

Click to join:
Microsoft Teams meeting
Join on your computer or mobile app
Click here to join the meeting
Learn more | Meeting options


Abstract: The stratified proportional hazards model represents a simple sol=
ution to take into account heterogeneity within the data while keeping the =
multiplicative effect of the predictors on the hazard function. Strata are =
typically defined a priori by resorting to the values of a categorical cova=
riate. We propose a general framework that allows the stratification of a g=
eneric accelerated lifetime model, including, as a special case, the Weibul=
l proportional hazards model. The stratification is determined a posteriori=
, taking into account that strata might be characterized by different basel=
ine survivals, and also by different effects of the predictors. This is ach=
ieved by considering a Bayesian nonparametric mixture model and the posteri=
or distribution it induces on the space of data partitions. An optimal stra=
tification is then identified following a decision theoretic approach. In t=
urn, stratum-specific inference is carried out. The performance of this met=
hod and its robustness to the presence of right-censored observations are i=
nvestigated through a simulation study. Further illustration is provided an=
alysing a data set from the University of Massachusetts AIDS Research Unit =
IMPACT Study.


Galatia Cleanthous
Assistant Professor
National University of Ireland,
Maynooth
Home (google.com)

[cid:281e6ca3-134a-47bf-814b-7f564dda1821]


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Dear
 colleagues,=




















The nex=
t Mathematics and Statistics Colloquium for this academic year takes place<=
/span> Wednesday 13th April 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



________________________________=
__________________________________________




Sp=
eaker: Dr Bernardo Nipoti, Department of Economics, Management and=
 Statistics (DEMS), University of Milano Bicocca


Ti=
tle: Optimal stratification of survival data via Bayesian nonparam=
etric mixtures

Click to join:
Microsoft Teams meeting




Join on your computer or mobile app
Click
 here to join the meeting
Learn
 more | 
Meeting options








Abstract=
: The stratified proportional hazards
 model represents a simple solution to take into account heterogeneity with=
in the data while keeping the multiplicative effect of the predictors on th=
e hazard function. Strata are typically defined a priori by resorting to th=
e values of a categorical covariate.
 We propose a general framework that allows the stratification of a generic=
 accelerated lifetime model, including, as a special case, the Weibull prop=
ortional hazards model. The stratification is determined a posteriori, taki=
ng into account that strata might
 be characterized by different baseline survivals, and also by different ef=
fects of the predictors. This is achieved by considering a Bayesian nonpara=
metric mixture model and the posterior distribution it induces on the space=
 of data partitions. An optimal
 stratification is then identified following a decision theoretic approach.=
 In turn, stratum-specific inference is carried out. The performance of thi=
s method and its robustness to the presence of right-censored observations =
are investigated through a simulation
 study. Further illustration is provided analysing a data set from the Univ=
ersity of Massachusetts AIDS Research Unit IMPACT Study.


























Galatia Cleanthous


Assistant Professor


National University of Ireland,
Maynooth

Home (google.c=
om)














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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



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

--00000000000075824f05dc5cf2db
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=C2=A0

=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 13^th=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, 14^th 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 Dub=
lin=C2=A0
School of Mathematics and Statistics
Dublin, Ir=
eland




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



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From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 11 10:33:52 2022
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Date:         Mon, 11 Apr 2022 09:33:12 +0000
Reply-To:     "Kerin, Martin" 
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From:         "Kerin, Martin" 
Subject: maths: Irish Geometry Seminar, Tuesday, 12 April, 2pm
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Dear colleagues,
It is my pleasure to announce this week's Irish Geometry Seminar.  This wil=
l be the last talk this semester and will take place at 2pm (Irish time) on=
 Tuesday, 12 April.

[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: Nikos Georgiou (Waterford IT)

Title: Almost Paracomplex Structure on 4-manifolds

Abstract: In joint work with Brendan Guilfoyle at the Munster Technological=
 University, we are investigating the existence or otherwise of parallel, i=
sometric, and anti-isometric almost paracomplex structures on a pseudo-Riem=
annian 4-manifold. These structures provide a connection between Einstein m=
etrics and metrics that are locally conformally flat and scalar flat.  In t=
his talk I will discuss the recent development of these structures as well =
as some applications in certain 4-manifolds.

Zoom details:
Direct link: https://nuigalway-ie.zoom.us/j/95219875196?pwd=3DZE9yNTJ2ZmtwR=
01PVnZMeDB6SGUyUT09

Meeting ID: 952 1987 5196
Passcode: 662475
-----------------------------------------------

The full schedule of talks is available at https://sites.google.com/view/ir=
ishgeomseminar/home.

We're looking forward to you joining us.

All the best,
Martin


--_000_VI1PR01MB4670081D83A6FBB4BA2B51E5F7EA9VI1PR01MB4670eurp_
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Dear colleagues,
It is my pleasure to announce this week's Irish Geom=
etry Seminar.  This will be the last talk this semester and will take =
place at
2pm (Irish time) on Tuesday, 12 April.  



[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: Nikos Georgiou (Waterford IT)



Title: Almost Paracomplex Structure on 4-manifolds



Abstract: In joint work with Brendan Guilfoyle at the Munster Techno=
logical University, we are investigating the existence or otherwise of para=
llel, isometric, and anti-isometric almost paracomplex structures on a pseu=
do-Riemannian 4-manifold. These
 structures provide a connection between Einstein metrics and metrics that =
are locally conformally flat and scalar flat.  In this talk I will dis=
cuss the recent development of these structures as well as some application=
s in certain 4-manifolds.


Zoom details:

Direct link: 
https://nuigalway-ie.zoom.us/j/95219875196?pwd=3DZE9yNTJ2ZmtwR01PVnZMeDB6SG=
UyUT09



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 
&nbs=
p;




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Subject: maths: INAF seminar, Thu 14 April, Michael Tretyakov (Nottingham)
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The next INAF (Irish Numerical Analysis Forum) seminar will be given on 14 April 2022, 14:00 (Dublin) by

Michael Tretyakov (University of Nottingham, UK)

Simplest random walks for boundary value problems

Solutions of boundary value problems for linear parabolic and elliptic PDEs can be represented as expectations of solutions of the corresponding systems of SDEs in bounded domains. Approximations of these systems of SDEs should be subject to restrictions related to their nonexit from the bounded domains. In the talk an overview of simple weak methods for SDEs suitable for solving the Dirichlet and Robin boundary value problem for parabolic and elliptic PDEs will be given. An approximation of SDEs driven by Lévy processes related to solving the Dirichlet boundary value problem for a linear parabolic PIDE will be also discussed.


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:: Michael Tretyakov (Nottingham)
:: Simplest random walks for boundary value problems
date-time:: Thursday 14 April 14:00
location:: ZOOM; register at https://staff.ul.ie/natalia/inaf
endevent::

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UCD School of Mathematics and Statistics - Seminar Notice


	*Speaker:* Tim Dokchitser (Bristol)

	*Title:* Constructing Galois groups over Q


	*Date:* Thu 14th Apr 2022

	*Time:* *12:00 noon (!! Note the time change !!)*

	*Location:* Seminar Room SCN 1.25
*Abstract:* The Inverse Galois Problem asks whether every finite group
G occurs as a Galois group over Q, and, stronger, over Q(t) with no
constant subfields. The constructive version of this problem also asks
to produce polynomials with the right Galois group. We discuss some
old and new methods and new results, including realisations of some
previously unknown groups, and families for all transitive groups of
degree <16 over Q(t) and all groups of order <128 over Q. The
algorithms discussed in the talk have been implemented in the Magma
package available from this linked page
 together with a list
of open problems on the computational aspects of the Inverse Galois
Problem.

*Further information:* https://maths.ucd.ie/~kazim_b/UCD_ANT_Seminar.html

*Please note the speaker will also give a Colloquium Talk on April 13,
Wednesday at 4 PM in the same room, with the title "Names of finite
groups".*

-------------------------------------------------------------
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:: Constructing Galois groups over Q
content:: Tim Dokchitser (Bristol)
:: UCD Algebra and Number Theory seminar
(http://maths.ucd.ie/seminarseries/Algebra)
location:: Seminar Room SCN 1.25
date-time:: Thu 14th Apr 2022 at 12:00PM

--000000000000e68be005dc714f78
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

UC=
D School of Mathematics and Statistics - Seminar Notice

=20
	Speaker: Tim Dokchitser (Bristol)
=20
	Title: Constructing Galois groups over Q

=20
	Date: Thu 14th Apr 2022
=20
	Time: 12:00 noon (!! Note the time change !!)=20
=20
	Location: Seminar Room SCN 1.25

Abstract: The Inverse Galois Problem asks whether every finite group=
 G occurs as a Galois group over Q, and, stronger, over Q(t) with no consta=
nt subfields. The constructive version of this problem also asks to produce=
 polynomials with the right Galois group. We discuss some old and new metho=
ds and new results, including realisations of some previously unknown group=
s, and families for all transitive groups of degree <16 over Q(t) and al=
l groups of order <128 over Q. The algorithms discussed in the talk have=
 been implemented in the Magma package available from this linked page together with a list of open problems on the computational aspects of the=
 Inverse Galois Problem.
Further information: https://maths.ucd.ie/~kazim_b/=
UCD_ANT_Seminar.html=20

Please note the speaker will also give a Colloquium Talk on =
April 13, Wednesday at 4 PM in the same room, with the title "Names of=
 finite groups".

---------------=
----------------------------------------------
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:: Constructing Galois groups over Q
content:: Tim Dokchitser (Bristol)
:: UCD Algebra and Number Theory seminar (http://maths.ucd.ie/seminarseries/Al=
gebra)=20
location:: Seminar Room SCN 1.25
date-time:: Thu 14th Apr 2022 at 12:00PM

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Message-ID:  
Date:         Tue, 12 Apr 2022 09:24:04 +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 13th April 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 Bernardo Nipoti, Department of Economics, Management and Statis=
tics (DEMS), University of Milano Bicocca

Title: Optimal stratification of survival data via Bayesian nonparametric m=
ixtures

Click to join:
Microsoft Teams meeting
Join on your computer or mobile app
Click here to join the meeting
Learn more | Meeting options


Abstract: The stratified proportional hazards model represents a simple sol=
ution to take into account heterogeneity within the data while keeping the =
multiplicative effect of the predictors on the hazard function. Strata are =
typically defined a priori by resorting to the values of a categorical cova=
riate. We propose a general framework that allows the stratification of a g=
eneric accelerated lifetime model, including, as a special case, the Weibul=
l proportional hazards model. The stratification is determined a posteriori=
, taking into account that strata might be characterized by different basel=
ine survivals, and also by different effects of the predictors. This is ach=
ieved by considering a Bayesian nonparametric mixture model and the posteri=
or distribution it induces on the space of data partitions. An optimal stra=
tification is then identified following a decision theoretic approach. In t=
urn, stratum-specific inference is carried out. The performance of this met=
hod and its robustness to the presence of right-censored observations are i=
nvestigated through a simulation study. Further illustration is provided an=
alysing a data set from the University of Massachusetts AIDS Research Unit =
IMPACT Study.



Galatia Cleanthous
Assistant Professor
National University of Ireland,
Maynooth
Home (google.com)

[cid:672441e3-dcb8-4938-9ebb-1bca14830893]


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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 13th April 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



________________________________=
__________________________________________




Sp=
eaker: Dr Bernardo Nipoti, Department of Economics, Management and=
 Statistics (DEMS), University of Milano Bicocca


Ti=
tle: Optimal stratification of survival data via Bayesian nonparam=
etric mixtures

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=
: The stratified proportional hazards model represents a simple so=
lution to take into account heterogeneity within the data while keeping the=
 multiplicative effect of the predictors
 on the hazard function. Strata are typically defined a priori by resorting=
 to the values of a categorical covariate. We propose a general framework t=
hat allows the stratification of a generic accelerated lifetime model, incl=
uding, as a special case, the Weibull
 proportional hazards model. The stratification is determined a posteriori,=
 taking into account that strata might be characterized by different baseli=
ne survivals, and also by different effects of the predictors. This is achi=
eved by considering a Bayesian nonparametric
 mixture model and the posterior distribution it induces on the space of da=
ta partitions. An optimal stratification is then identified following a dec=
ision theoretic approach. In turn, stratum-specific inference is carried ou=
t. The performance of this method
 and its robustness to the presence of right-censored observations are inve=
stigated through a simulation study. Further illustration is provided analy=
sing a data set from the University of Massachusetts AIDS Research Unit IMP=
ACT Study.































Galatia Cleanthous


Assistant Professor


National University of Ireland,
Maynooth

Home (google.c=
om)














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From owner-mathdep LISTSERV.HEANET.IE  Tue Apr 12 14:31:28 2022
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Reply-To:     "Denjoe O'Connor" 
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From:         "Denjoe O'Connor" 
Subject: maths: DIAS Zoominar Thursday April 14th 14:30 speaker Cohl Furey
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--111151493-644951945-1649770244=:3459065
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Dear Colleagues,
                 please join us for our upcoming Theoretical Physics Seminar on 
Thursday April 14th by Cohl Furey

Date: Thursday April 14th
Seminar Time: 14:30
https://us02web.zoom.us/j/6199730148?pwd=SjVGcTJWQmZZNndHenMyRStsL0lKdz09
Meeting ID: 619 973 0148
Passcode: 122512

                             Cohl Furey
                   Humboldt-Universität zu Berlin

Title: Standard model irreps as an extension of 4-momentum

Abstract: In modern formalisms, 4-momenta are often described as 2×2 
hermitian matrices, H_2(C). Here we propose embedding the standard model’s 
full set of irreducible representations inside its extension, H_16(C). 
Generating this H_16(C) from the division algebras facilitates its 
fragmentation into blocks (a Peirce decomposition). We demonstrate an 
embedding of a majority of the standard model’s unconstrained 
SU(3)xSU(2)xU(1) / Z_6 irreps which is (1) nearly surjective, and (2) 
largely obeys an octonionic Peirce decomposition. Momenta and bosons 
(covariant derivative) appear on the diagonal blocks, while fermions 
appear on the off-diagonals. Peirce idempotents correspond to projective 
measurement operators, and we observe that a natural division algebraic 
choice of Peirce idempotents omits colour as an observable. Finally, we 
identify a possible niche for a vierbein. With all this said, a simple 
description for the electroweak sector is (frustratingly) still wanting. 
The material is based on joint work with Beth Romano.

With best wishes,
Denjoe.
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Date:         Wed, 13 Apr 2022 08:19:59 +0100
Reply-To:     Andrei Parnachev 
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From:         Andrei Parnachev 
Subject: maths: CFT and Holography in Dublin May 16-20
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--000000000000dab7c605dc840262
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Dear colleagues,

This is an announcement for a Hamilton Mathematics Institute
workshop on CFT and Holography to be held during May 16-20, 2022 at
the Hamilton Mathematics Institute, Trinity College Dublin.

Please see
https://sites.google.com/view/cftworkshop2022/home

for more details and registration.

Sincerely,

The organizers

(S. Frolov, M. Kulaxizi,  A. Parnachev)

--000000000000dab7c605dc840262
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<=
div dir=3D"ltr">


=
Dear colleagues,=C2=A0

This is an announcement for=
 a Hamilton Mathematics Institute=C2=A0
workshop=C2=
=A0on CFT and Holography to be held during May 16-20, 2022 at=C2=A0
the Hamilton Mathematics Institute, Trinity College=C2=A0Dublin.

Please see
https:=
//sites.google.com/view/cftworkshop2022/home

for more details and registration.

Sincerely,
The organizers

(S. Frolov,=
 M. Kulaxizi, =C2=A0A. Parnachev)=









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UCD School of Mathematics and Statistics - Seminar Notice=0D
=0D
 =0D
	Speaker: H.  Render=0D
 =0D
	Title: Fischer decomposition for entire functions and the Dirichlet  probl=
em for unbounded quadratic surfaces=0D
=0D
 =0D
	Date: Tue 19th April 2022=0D
 =0D
	Time: 3:00PM=0D
 =0D
	Location: Seminar Room SCN 1.25=0D
=0D
Abstract: Let $P_{2k}$  be a homogeneous non-negative polynomial of degree =
$2k$  and  assume that $P_j$   for $j=3D0,...,\beta <2k$  are homogeneous p=
olynomials of degree $j$.  Further a certain  integral inequality depending=
 on a parameter \alpha and $P_2k$ is assumed which is valid for all homogen=
eous polynomials of degree $m$. =0D
=0D
 The main  result of the talk  states that for any entire function f of ord=
er  $\rho  < ( 2k-\beta ) / \alpha$   there exist entire functions q  and  =
r of finite order with =0D
$$=0D
f=3D ( P_2k-P_\beta -....-P_0 ) q+r  =0D
$$=0D
and $\Delta ^{k}r=3D0$=0D
where  $\Delta$ is the Laplace operator.=0D
=0D
=0D
This result is used to establish the existence of entire harmonic solutions=
 of the Dirichlet problem for cylinders and parabola-shaped domains for dat=
a given by entire functions of order smaller than $1$ and  $1/2$  respectiv=
ely.=0D
=0D
 https://ucd-ie.zoom.us/j/64933463319=0D
=0D
=0D
Further information:  https://ucd-ie.zoom.us/j/64933463319 =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:: Fischer decomposition for entire functions and the Dirichlet  probl=
em for unbounded quadratic surfaces=0D
content:: H.  Render =0D
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis) =0D
location:: Seminar Room SCN 1.25=0D
date-time:: Tue 19th April 2022 at 3:00PM=20=


----+--1649852581--+--
Content-Type: text/html; charset="utf-8"
Content-Transfer-Encoding: quoted-printable

UCD School of Mathematics and Statistics - Seminar Notice





 


	Speaker:  H.  Render


 


	Title: Fischer decomposition for entire functions and the Dirichlet  problem for unbounded quadratic surfaces





 


	Date: Tue 19th April 2022


 


	Time: 3:00PM


 


	Location: Seminar Room SCN 1.25





Abstract: Let $P_{2k}$  be a homogeneous non-negative polynomial of degree $2k$  and  assume that $P_j$   for $j=0,...,\beta <2k$  are homogeneous polynomials of degree $j$.  Further a certain  integral inequality depending on a parameter \alpha and $P_2k$ is assumed which is valid for all homogeneous polynomials of degree $m$. 





 The main  result of the talk  states that for any entire function f of order  $\rho  < ( 2k-\beta ) / \alpha$   there exist entire functions q  and  r of finite order with 


$$


f= ( P_2k-P_\beta -....-P_0 ) q+r  


$$


and $\Delta ^{k}r=0$


where  $\Delta$ is the Laplace operator.








This result is used to establish the existence of entire harmonic solutions of the Dirichlet problem for cylinders and parabola-shaped domains for data given by entire functions of order smaller than $1$ and  $1/2$  respectively.





 https://ucd-ie.zoom.us/j/64933463319








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:: Fischer decomposition for entire functions and the Dirichlet  problem for unbounded quadratic surfaces


content:: H.  Render 


:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis) 


location:: Seminar Room SCN 1.25


date-time:: Tue 19th April 2022 at 3:00PM 
----+--1649852581--+----

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr 13 15:28:53 2022
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Date:         Wed, 13 Apr 2022 15:28:24 +0100
Reply-To:     George Rogers 
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From:         George Rogers 
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 24th. 
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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From owner-mathdep LISTSERV.HEANET.IE  Thu Apr 14 11:40:16 2022
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Date:         Thu, 14 Apr 2022 11:39:18 +0100
Reply-To:     Hermann Render 
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From:         Hermann Render 
Subject: maths: Annual EMS Distinguished Lecture at UCD: Prof. Ariel Rubinstein
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Dear All

The UCD School of Economics and  the UCD School of Mathematics and
Statistic  have organized collaboratively  the first

*
Annual EMS Distinguished Lecture*

 as a tribute to our joint EMS degree:

*Professor Ariel Rubinstein, from Tel Aviv University and New York
University, will give this first lecture.*

*Title*: Economics without prices and without games

*Abstract*: The paper proposes a theoretical model where conflicts between
insatiable wants and limited resources are resolved through "norms about
the permissible and the forbidden". The model differs fundamentally from
the standard economic theoretical models which focus on prices and games.
The presentation will mainly follow
https://arielrubinstein.tau.ac.il/papers/105.pdf   (joint with Michael
Richter)

*Date and time: May 3rd, 2PM*
Location: Room S1.67 SCIENCE BUILDING which is located in *South Science
building* (opposite to the Agriculture building). The room is on the first
floor.


We are looking forward to welcoming you!

Best wishes
Dr Sarah Parlane (School of Economics)
Dr Hermann Render (School of Mathematics and Statistics)



Dr Sarah Parlane [she/her]
School of Economics
University College Dublin
Belfield, Dublin 4
Ireland


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

--0000000000007e2c8b05dc9ae86c
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Dear All=C2=A0
The UCD School of Economics and=C2=A0 the  UCD School =
of Mathematics and Statistic=C2=A0=C2=A0have organized collaboratively=C2=A0=C2=A0the first=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 Annual=C2=A0EMS=C2=A0Distinguished Lecture
=C2=A0as a tribute to our joint EMS degree: =C2=A0
<=
br>
Professor Ariel Rubinstein, from Tel Aviv University and=
=C2=A0New York University, will give this first lecture.

=
Title: Economics without prices and without games

Abstract: The paper=C2=A0propos=
es a theoretical model where conflicts between insatiable wants and limited=
 resources are resolved through "norms about the permissible and the f=
orbidden". The model differs fundamentally from the standard economic =
theoretical models which focus on prices and games. The presentation will m=
ainly follow=C2=A0https://arielrubinstein.tau.ac.il/papers/105.pdf=C2=
=A0=C2=A0 (joint with Michael Richter)

Date and time: May 3rd, 2PMLocation: Ro=
om=C2=A0S1.67 SCIENCE BUILDING which is located in=C2=A0<=
b>South Science building=C2=A0(opposite to the Agriculture building). T=
he room is on the first floor.=C2=A0

=C2=A0
We are looking forward to welcoming y=
ou!

Best wishes
Dr <=
/span>Sarah Parlane (School of Economics)<=
div>Dr Hermann Render (School of Mathematics and Statis=
tics) 



Dr Sara=
h Parlane [she/her]
School of Economics
University Coll=
ege Dublin
Belfield, Dublin 4
Ireland


<=
div>Dr Hermann RenderUniversity=
 College Dublin=C2=A0
School of Mathematics and Statistics
Dublin, Ireland

<=
/div>


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Date:         Thu, 14 Apr 2022 15:47:35 +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 2021-2022.

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.

Details about how to enter can be found on the BSHM website (https://www.bs=
hm.ac.uk/undergraduate-essay-prize).

The deadline for receipt of submissions is the 15th July 2022, at midnight.

Kind regards

Ciar=E1n Mac an Bhaird (Education Officer, BSHM)


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/


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Dear Colleagues,



The British Society for the History of Mathematic=
s (BSHM) is happy to announce 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 competition
 is open to any person who is enrolled as an undergraduate&nbs=
p;in a university in Ireland or the UK during the
 current academic year 2021-2022.



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.



Details about how to enter can be found on the BS=
HM website (https://www.bshm.=
ac.uk/undergraduat=
e-essay-prize).




The deadline for receipt of submissions is the 15^th July 2022, at midnight.





Kind regards




Ciar=E1n Mac an Bhai=
rd
 (Education Officer, BSHM)











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/












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From owner-mathdep LISTSERV.HEANET.IE  Fri Apr 15 08:32:59 2022
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Subject: Algebra and Number Theory seminar, Thu 21st Apr 2022
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UCD School of Mathematics and Statistics - Seminar Notice


	*Speaker:* Mladen Dimitrov (Lille)

	*Title:* p-adic deformations of weight one Hilbert-Eisenstein series
and Iwasawa Theory


	*Date:* Thu 21st Apr 2022

	*Time:* 2:00PM

	*Location:* Seminar Room SCN 1.25
*Abstract:* In this talk, we will report on joint work with Adel
Betina and Sheng-Chi Shih about the geometry of the Hilbert cuspidal
eigenvariety at a point [image: f] coming from a weight one Eisenstein
series irregular at a single prime [image: P] of the totally real
field [image: F] above [image: p].

Assuming Leopoldt's conjecture for [image: F] at [image: p], we show
that the ordinary cuspidal eigencurve is =C3=A9tale at f over the weight
space when [image: [F_P:\mathbb Q_p] \geq [F:\mathbb Q]-1], and hence,
the nearly ordinary eigenvariety is =C3=A9tale over the weight space as
well.

When [image: F_P=3D\mathbb Q_p] we show that the eigenvariety is smooth,
while in all the remaining cases, we prove that the eigenvariety is
never smooth at [image: f].

Each result sheds its own light on Iwasawa theoretic questions.

*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:: p-adic deformations of weight one Hilbert-Eisenstein series
and Iwasawa Theory
content:: Mladen Dimitrov (Lille)
:: UCD Algebra and Number Theory seminar
(http://maths.ucd.ie/seminarseries/Algebra)
location:: Seminar Room SCN 1.25
date-time:: Thu 21st Apr 2022 at 2:00PM

--00000000000028a74f05dcac69cf
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

UC=
D School of Mathematics and Statistics - Seminar Notice

=20
	Speaker: Mladen Dimitrov (Lille)
=20
	Title: p-adic deformations of weight one Hilbert-Eisenstein series =
and Iwasawa Theory

=20
	Date: Thu 21st Apr 2022
=20
	Time: 2:00PM=20
=20
	Location: Seminar Room SCN 1.25

Abstract: In this talk, we will report on joint work with Adel Betin=
a and Sheng-Chi Shih about the geometry of the Hilbert cuspidal eigenvariet=
y at a point  coming from a weight one Eisenstein =
series irregular at a single prime  of the totally real field  above .=C2=A0
Assuming Leopoldt's conjecture for  at , we show that the ordinary cuspidal eigencurve is =C3=A9tale a=
t f over the weight space when , and hence, the nearly ordinary eigenvar=
iety is =C3=
=A9tale over the weight space as well. 
When  we show that the eigenvariety is smooth=
, while in all the remaining cases, we prove that the eigenvariety is never=
 smooth at .=C2=A0
Each result sheds its own light on Iwasawa =
theoretic questions.
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:: p-adic deformations of weight one Hilbert-Eisenstein series and Iwa=
sawa Theory
content:: Mladen Dimitrov (Lille)
:: UCD Algebra and Number Theory seminar (http://maths.ucd.ie/seminarseries/Al=
gebra)=20
location:: Seminar Room SCN 1.25
date-time:: Thu 21st Apr 2022 at 2:00PM  

--00000000000028a74f05dcac69cf--

From owner-mathdep LISTSERV.HEANET.IE  Fri Apr 15 12:49:34 2022
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Date:         Fri, 15 Apr 2022 12:49:02 +0100
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Sender:       UCD Maths Department Distribution List 
From:         George Rogers 
Subject: Maths: Irish Theoretical Physics Meeting 2022 - 25-27 May (Formerly IQF)
To:           MATHDEP LISTSERV.HEANET.IE
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ITP2022 - https://www.stp.dias.ie/itp2022/

Irish Theoretical Physics Meeting 2022 - 25-27 May (Formerly IQF)

DUBLIN INSTITUTE FOR ADVANCED STUDIES
MAY 25TH - 27TH, 2022

What began as the the annual Irish Quantum Field Theory Meeting now 
covers a broad range topics including quantum foundations, quantum 
information, condensed matter theory, cosmology and relativity. To 
better represent the diverse array of fields discussed in more recent 
iterations of the conference, we would like to take the opportunity to 
designate this year's meeting as the Irish Theoretical Physics 2022 
conference, or ITP2022.

We aim to bring together Irish and international researchers, and 
especially to give early career researchers an opportunity to present 
their work. There is no registration fee but we ask all participants to 
register here.

This year, we are pleased to announce there will be two O'Raifeartaigh 
Lectures - one given by Prof. Fay Dowker of Imperial College London, and 
another by Prof. John Ellis of King's College London.

To register please visit https://www.stp.dias.ie/itp2022/

-- 
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  Mon Apr 18 10:44:52 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 24th. 
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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Dear All,


the next MACSI seminar at the Department of Mathematics and Statistics, Uni=
versity of Limerick will be given by Peter Sheridan Dodds (University of Ve=
rmont (UVM)) on Friday the 22nd of April. The seminar will be held in perso=
n in the Mathematics and Statistics seminar room A2002, main building. Deta=
ils of the seminar are given below.


Date:  Friday, April 22, 2022 at 15.00.


Speaker:  Prof. Peter Sheridan Dodds  (Department of Computer Science, Univ=
ersity of Vermont (UVM), U.S.).


Title: Ousiometrics and Telegnomics: Distant measurement of timelines, stor=
ies, and essential meaning.

Abstract: We define 'ousiometrics' to be the study of essential meaning in =
whatever context that meaningful signals are communicated, and 'telegnomics=
' as the study of remotely sensed knowledge. I will explain our two central=
 findings for ousiometrics:

1. The essence of meaning conveyed by words is described by a compass-like =
plane with major axes of powerful-weak and dangerous-safe, and a minor thir=
d dimension representing structure;

2. Analysis of a disparate collection of large-scale English language corpo=
ra=97literature, news, Wikipedia, talk radio, and social media=97shows that=
 natural language exhibits a systematic bias toward safe, low danger words=
=97reinterpreting the Pollyanna principle's positivity bias for written exp=
ression.

I will outline how we have used our findings to construct and test a protot=
ype 'ousiometer', a telegnomic instrument that measures ousiometric time se=
ries for temporal corpora. I will show that the power-danger-structure (PDS=
) framework remarkably appears in other venues including the distribution o=
f character types in stories, from Pride and Prejudice to Buffy the Vampire=
 Slayer, and indicate an array of possible future work.

As time might allow, I will also briefly touch on a range of interconnected=
 projects carried out by the Computational Story Lab. Topics potentially in=
clude:

- Measurements of happiness and sadness in large-scale texts of all kinds;
- The use of our telegnomic instrument the Hedonometer to measure and docum=
ent population-scale events including the collective trauma of the COVID-19=
 pandemic, George Floyd's murder, and the Russian invasion of Ukraine;
- Connected collaborative work with the Economist;
- Realizing Vonnegut's idea of measuring emotional arcs of stories;
- Dynamics of raw fame;
- Computational historical timeline reconstruction;
- The extraordinary online fame of BTS and Trump;
- Measurement of narrative control;
- Collective chronopathy, how time flies and crawls;
- and Allotaxonometry, the comparison of complex systems.

Sample relevant papers:

1. "Ousiometrics and Telegnomics: The essence of meaning
  conforms to a two-dimensional powerful-weak and dangerous-safe
  framework with diverse corpora presenting a safety bias"
https://pdodds.w3.uvm.edu/research/papers/dodds2021b/
2. "Computational timeline reconstruction of the stories surrounding
  Trump: Story turbulence, narrative control, and collective chronopathy"
https://pdodds.w3.uvm.edu/research/papers/dodds2020n/
3. "Storywrangler: A massive exploratorium for sociolinguistic,
  cultural, socioeconomic, and political timelines using Twitter"
https://pdodds.w3.uvm.edu/research/papers/alshaabi2021c/
4. "Probability-turbulence divergence: A tunable allotaxonometric
  instrument for comparing heavy-tailed categorical distributions"
https://pdodds.w3.uvm.edu/research/papers/dodds2020g/
5. "Allotaxonometry and rank-turbulence divergence: A universal
  instrument for comparing complex systems"
https://pdodds.w3.uvm.edu/research/papers/dodds2020a/
6. "Fame and Ultrafame: Measuring and comparing daily levels of 'being
  talked about' for United States' presidents, their rivals, God,
  countries, and K-pop"
https://pdodds.w3.uvm.edu/research/papers/dodds2019a/

Instruments:

https://hedonometer.org
"https://hedonometer.org/books/v1/?book=3DHarry%20Potter%20and%20the%20Pris=
oner%20of%20Azkaban"
https://storywrangling.org
http://panometer.org/instruments/lexicocalorimeter/
http://compstorylab.org/potusometer

Online appendices:

https://storylab.w3.uvm.edu/ousiometrics
http://compstorylab.org/allotaxonometry
http://compstorylab.org/trumpstoryturbulence/

Bio: Peter Sheridan Dodds is a Professor at the University of Vermont (UVM)
working on system-level problems in many fields, ranging from
sociology to physics. He is Director of UVM's Complex Systems Center,
co-Director of UVM's Computational Story Lab, a visiting faculty
fellow at the Vermont Advanced Computing Core, and is appointed to the
Department of Computer Science. He maintains general
research and teaching interests in complex systems and networks with a
current focus on sociotechnical and psychological phenomena including
collective emotional states, contagion, language, and stories. His
methods encompass large-scale data collection and analysis,
large-scale sociotechnical experiments, and the formulation, analysis,
and simulation of theoretical models. Dodds's training is in
theoretical physics, mathematics, and electrical engineering with
extensive formal postdoctoral and research experience in the social
sciences. Dodds has received funding from NSF, NASA, ONR, the MITRE
Corporation, MassMutual, and Google, and was awarded an NSF CAREER
grant by the Social and Economic Sciences Directorate.


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<=
mailto: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_DB9PR03MB7628FD4A512A296D024A4C7C87F29DB9PR03MB7628eurp_
Content-Type: text/html; charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable








Dear All,































the next MACSI seminar at the Department of Mathematics and St=
atistics, University of Limerick will be given by
Peter Sheridan Dodds (University of Vermont (UVM)) on Friday the 22^nd of
 April. The seminar will be held in person in the M=
athematics and Statistics seminar room A2002, main building. Details of the seminar are
 given below.







Date:  Friday,
 April 22, 2022 at 15.00.=








Speaker:  Prof. Peter
 Sheridan Dodds =
 (Department of
 Computer Science, 
University of Vermont (UVM), U.S.). 







Title: Ousiomet=
rics
 and Telegnomics: Distant measurement of timelines, stories, and essential =
meaning.







Abstract: We
 define 'ousiometrics' to be the study of essential meaning in whatever con=
text that meaningful signals are communicated, and 'telegnomics' as the stu=
dy of remotely sensed knowledge. I will explain our two central findings fo=
r ousiometrics:
<=
br style=3D"color:rgb(0,0,0); font-family:Calibri,sans-serif; font-size:14.=
666666984558105px">
1. The e=
ssence of meaning conveyed by words is described by a compass-like plane wi=
th major axes of powerful-weak and
 dangerous-safe, and a minor third dimension representing structure;=




2. Analy=
sis of a disparate collection of large-scale English language corpora=97lit=
erature, news, Wikipedia, talk radio,
 and social media=97shows that natural language exhibits a systematic bias =
toward safe, low danger words=97reinterpreting the Pollyanna principle's po=
sitivity bias for written expression.



I will o=
utline how we have used our findings to construct and test a prototype 'ous=
iometer', a telegnomic instrument
 that measures ousiometric time series for temporal corpora. I will show th=
at the power-danger-structure (PDS) framework remarkably appears in other v=
enues including the distribution of character types in stories, from Pride =
and Prejudice to Buffy the Vampire
 Slayer, and indicate an array of possible future work.




<=
span style=3D"font-size:12pt; color:rgb(0,0,0); font-family:Calibri,sans-se=
rif; background-color:rgb(255,255,255); display:inline!important">As time m=
ight allow, I will also briefly touch
 on a range of interconnected projects carried out by
 the Computational Story Lab. Topics potentially include:



- Measur=
ements of happiness and sadness in large-scale texts of all kinds;
- The us=
e of our telegnomic instrument the Hedonometer to measure and document popu=
lation-scale events including the
 collective trauma of the COVID-19 pandemic, George Floyd's murder, and the=
 Russian invasion of Ukraine;

- Connec=
ted collaborative work with the Economist;

- Realiz=
ing Vonnegut's idea of measuring emotional arcs of stories;

- Dynami=
cs of raw fame;

- Comput=
ational historical timeline reconstruction;

- The ex=
traordinary online fame of BTS and Trump;

- Measur=
ement of narrative control;

- Collec=
tive chronopathy, how time flies and crawls;

- and Al=
lotaxonometry, the comparison of complex systems.



Sample r=
elevant papers:



1. "=
;Ousiometrics and Telegnomics: The essence of meaning

  c=
onforms to a two-dimensional powerful-weak and dangerous-safe

  f=
ramework with diverse corpora presenting a safety bias"

https://pdodds.=
w3.uvm.edu/research/papers/dodds2021b/

2. "=
;Computational timeline reconstruction of the stories surrounding
  T=
rump: Story turbulence, narrative control, and collective chronopathy"=


https://pdodds.=
w3.uvm.edu/research/papers/dodds2020n/

3. "=
;Storywrangler: A massive exploratorium for sociolinguistic,

  c=
ultural, socioeconomic, and political timelines using Twitter"<=
br style=3D"color:rgb(0,0,0); font-family:Calibri,sans-serif; font-size:14.=
666666984558105px">
https://pdod=
ds.w3.uvm.edu/research/papers/alshaabi2021c/

4. "=
;Probability-turbulence divergence: A tunable allotaxonometric

  i=
nstrument for comparing heavy-tailed categorical distributions"=


https://pdodds.=
w3.uvm.edu/research/papers/dodds2020g/

5. "=
;Allotaxonometry and rank-turbulence divergence: A universal

  i=
nstrument for comparing complex systems"

https://pdodds.=
w3.uvm.edu/research/papers/dodds2020a/

6. "=
;Fame and Ultrafame: Measuring and comparing daily levels of 'being<=
br style=3D"color:rgb(0,0,0); font-family:Calibri,sans-serif; font-size:14.=
666666984558105px">
  t=
alked about' for United States' presidents, their rivals, God,

  c=
ountries, and K-pop"

https://pdodds.=
w3.uvm.edu/research/papers/dodds2019a/



Instrume=
nts:



<=
span style=3D"font-size:12pt">https://hedonometer.org

"<=
span style=3D"font-size:12pt">https://hedonometer.org/books/v1/?book=3DHarr=
y%20Potter%20and%20the%20Prisoner%20of%20Azkaban"

https://storywrangling.org

http://panomete=
r.org/instruments/lexicocalorimeter/

http://compstorylab.org/potusomet=
er



Online a=
ppendices:



https://storylab.w3.uvm.edu/=
ousiometrics

http://compstorylab.org/allot=
axonometry

http://compstorylab.org=
/trumpstoryturbulence/





Bio:<=
/b> Peter Sheridan Dodds
 is a Professor at the University of Vermont (UVM)


working =
on system-level problems in many fields, ranging from

sociolog=
y to physics. He is Director of UVM's Complex Systems Center,

co-Direc=
tor of UVM's Computational Story Lab, a visiting faculty

fellow a=
t the Vermont Advanced Computing Core, and is appointed to the

Departme=
nt of Computer Science. He maintains general

research=
 and teaching interests in complex systems and networks with a

current =
focus on sociotechnical and psychological phenomena including

collecti=
ve emotional states, contagion, language, and stories. His

methods =
encompass large-scale data collection and analysis,

large-sc=
ale sociotechnical experiments, and the formulation, analysis,

and simu=
lation of theoretical models. Dodds's training is in

theoreti=
cal physics, mathematics, and electrical engineering with

extensiv=
e formal postdoctoral and research experience in the social

sciences=
. Dodds has received funding from NSF, NASA, ONR, the MITRE

Corporat=
ion, MassMutual, and Google, and was awarded an NSF CAREER



grant by=
 the Social and Economic Sciences Directorate.










Further Infor=
mation: If you have any questions regarding this seminar,
 please direct them to Romina Gaburro (061 2131930, romina.gaburr=
o 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),
 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_DB9PR03MB7628FD4A512A296D024A4C7C87F29DB9PR03MB7628eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr 20 12:04:46 2022
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Date:         Wed, 20 Apr 2022 12:03:49 +0100
Reply-To:     Seminars Maths NUIG 
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From:         Seminars Maths NUIG 
Subject: Maths: Seminar  NUIG: Timing landmark events in pre-cancerous evolution
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Dear All,

We will have an in-person seminar this Thursday in ADB1020 at 4pm.


M=C3=A1ire N=C3=AD Leathlobhair, from Trinity College Dublin, will speak on

=E2=80=9CTiming landmark events in pre-cancerous evolution=E2=80=9D


Abstract: The interplay of mutation, copy number change, structural
rearrangement and clonal expansion, leaves a record of the life history of
a cancer inscribed in its genome. By applying recently developed
bioinformatic and statistical methods to sequencing data, we can
reconstruct this life history, and infer the timing of specific events
and mutational
processes early in tumour development. In this seminar we=E2=80=99ll look a=
t some
examples of this in long-latency diseases such as myeloproliferative
neoplasms and testicular cancer.



Contact: Cathal Seoighe



Coffee/tea/cakes/biscuits will be served online from 3:30.



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/

--0000000000005bebc305dd13f393
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Dear All,

We will have an in-person seminar this Thursday in A=
DB1020 at
4pm.



M=C3=A1ire N=C3=AD Leathlobhair, from Trinity Colleg=
e Dublin, will
speak on

=E2=80=9CTiming landmark events in pre-cancerous evo=
lution=E2=80=9D


Abstract: The interpl=
ay of mutation, copy number change,
structural rearrangement and clonal expansion, leaves a record of the life
history of a cancer inscribed in its genome. By applying recently developed
bioinformatic and statistical methods to sequencing data, we can reconstruc=
t
this life history, and infer the timing of specific events and=C2=A0mutational
processes early in tumour development. In this seminar we=E2=80=99ll look a=
t some
examples of this in long-latency diseases such as myeloproliferative neopla=
sms
and testicular cancer.

=C2=A0

Contact: Cathal Seoighe

=C2=A0

Coffee/tea/cakes/biscuits will be served online from=
 3:30.

=C2=A0

Hoping to see you all there,

=C2=A0

Haixuan and Michael

Future seminars are listed at h=
ttp://www.nuigalway.ie/science-engineering/school-of-maths/seminars/schools=
eminar/

--0000000000005bebc305dd13f393--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr 20 14:58:29 2022
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Reply-To:     "Denjoe O'Connor" 
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From:         "Denjoe O'Connor" 
Subject: maths: DIAS Zoominar Thursday April 21st 14:30 speaker Bogumila Swiezewska
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Dear Colleagues,
                 please join us for our upcoming Theoretical Physics Seminar on
Thursday April 21st by Bogumila Swiezewska

Date: Thursday April 21st
Seminar Time: 14:30
https://us02web.zoom.us/j/6199730148?pwd=SjVGcTJWQmZZNndHenMyRStsL0lKdz09
Meeting ID: 619 973 0148
Passcode: 122512

                        Bogumila Swiezewska
                        University of Warsaw

Title: Observable gravitational waves and dark matter from (classical) 
scale symmetry breaking

Abstract: In this talk I will present a classically scale-invariant model 
in the context of a phase transition in the early Universe. The model 
consists of a scale-invariant version of the Standard Model augmented by a 
new SU(2) gauge group and a scalar field which is a doublet under the new 
SU(2) group and a singlet of the Standard Model. Due to large 
supercooling, during the electroweak phase transition large amount of 
latent heat is released resulting in an observable gravitational wave 
signal. At the same time, gauge bosons of the new SU(2) group acquire mass 
and become good dark matter candidates. The properties of the phase 
transition influence both the gravitational wave signal, and the dark 
matter abundance. In this talk I will present phenomenological predictions 
for these observables and discuss interconnections between them. Moreover, 
I will review some theoretical aspects of the analysis, such as dependence 
on the renormalisation scale.

With best wishes,
Denjoe.

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UCD School of Mathematics and Statistics - Seminar Notice=0D
=0D
 =0D
	Speaker: F. Talimdjioski =0D
 =0D
	Title: Lipschitz-free spaces over manifolds and the metric approximation p=
roperty=0D
=0D
 =0D
	Date: Tue 26th April 2022=0D
 =0D
	Time: 3:00PM=0D
 =0D
	Location: Seminar Room SCN 1.25=0D
=0D
Abstract: Let $\nm\cdot$ be an arbitrary norm on $\R^N$ and let $M$ be a cl=
osed $C^1$-submanifold of $\R^N$. Consider the pointed metric space $(M,d)$=
, where $d$ is the metric given by $d(x,y)=3D\nm{x-y}$ and $x_0 \in M$ is a=
n arbitrary distinguished point. The main result of the talk is that the Li=
pschitz-free space $\free{M}$ over $(M,d)$ has the metric approximation pro=
perty. This result is based on a joint work with Prof. Richard Smith.=0D
=0D
 https://ucd-ie.zoom.us/j/69829896554=0D
=0D
Further information:  https://ucd-ie.zoom.us/j/69829896554 =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:: Lipschitz-free spaces over manifolds and the metric approximation p=
roperty=0D
content:: F. Talimdjioski  =0D
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis) =0D
location:: Seminar Room SCN 1.25=0D
date-time:: Tue 26th April 2022 at 3:00PM=20=


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UCD School of Mathematics and Statistics - Seminar Notice





 


	Speaker:  F. Talimdjioski 


 


	Title: Lipschitz-free spaces over manifolds and the metric approximation property





 


	Date: Tue 26th April 2022


 


	Time: 3:00PM


 


	Location: Seminar Room SCN 1.25





Abstract: Let $\nm\cdot$ be an arbitrary norm on $\R^N$ and let $M$ be a closed $C^1$-submanifold of $\R^N$. Consider the pointed metric space $(M,d)$, where $d$ is the metric given by $d(x,y)=\nm{x-y}$ and $x_0 \in M$ is an arbitrary distinguished point. The main result of the talk is that the Lipschitz-free space $\free{M}$ over $(M,d)$ has the metric approximation property. This result is based on a joint work with Prof. Richard Smith.





 https://ucd-ie.zoom.us/j/69829896554





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:: Lipschitz-free spaces over manifolds and the metric approximation property


content:: F. Talimdjioski  


:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis) 


location:: Seminar Room SCN 1.25


date-time:: Tue 26th April 2022 at 3:00PM 
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UCD School of Mathematics and Statistics - Seminar Notice


	*Speaker:* Giuseppe Cotardo (UCD)

	*Title:* Tensor Codes: Invariants and Extremality


	*Date:* Thu 28th Apr 2022

	*Time:* 2:00PM

	*Location:* Seminar Room SCN 1.25
*Abstract:* Tensor codes were introduced by Roth in 1991 as a natural
generalization of matrix rank-metric codes. They are defined to be
subspaces of r-tensors where the ambient space is endowed with the
tensor rank as a distance function.

In this talk, we present the general class of tensor codes and we
study their invariants that correspond to different families of
anticodes. In this framework, an anticode is defined to be a perfect
space with some additional properties. A perfect space is one that is
spanned by tensors of rank 1. We identify four different classes of
tensor anticodes and show how these give different information on the
codes they describe. The use of the anticodes concept is motivated by
an interest in capturing the structural properties of tensor codes. We
define the generalized tensor weights associated with each set of
anticodes. We describe the properties of these invariants and we show
how different invariants offer different information on the underlying
code. We also define the generalized tensor binomial moments and
derive the MacWilliam identities for codes of tensors. Finally, we
introduce new families of extremal tensor codes, namely the i-tensor
binomial moment determined and the i-tensor maximum rank distance
codes.

The new results in this talk are joint work with E. Byrne.

*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:: Tensor Codes: Invariants and Extremality
content:: Giuseppe Cotardo (UCD)
:: UCD Algebra and Number Theory seminar
(http://maths.ucd.ie/seminarseries/Algebra)
location:: Seminar Room SCN 1.25
date-time:: Thu 28th Apr 2022 at 2:00PM

--000000000000c4b7ca05dd38dceb
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UCD School of Mathematics a=
nd Statistics - Seminar Notice

=20
	Speaker: Giuseppe Cotardo (UCD)
=20
	Title: Tensor Codes: Invariants and Extremality

=20
	Date: Thu 28th Apr 2022
=20
	Time: 2:00PM=20
=20
	Location: Seminar Room SCN 1.25

Abstract: Tensor codes were introduced by Roth in 1991 as a natural =
generalization of matrix rank-metric codes. They are=C2=A0defined to be sub=
spaces of r-tensors where the ambient space is endowed with the tensor rank=
 as a distance=C2=A0function.
In this talk, we present the general class of tensor codes =
and we study their invariants that correspond to different=C2=A0families of=
 anticodes. In this framework, an anticode=
 is defined to be a perfect space with some additional=C2=A0properti=
es. A perfect space is one that is spanned by tensors of rank 1.=C2=A0We id=
entify four different classes of tensor anticodes and show how these give d=
ifferent information=C2=A0on the codes they describe. The use of the antico=
des concept is motivated by an interest in capturing the structural=C2=A0pr=
operties of tensor codes. We define the generalized tensor weights associat=
ed with each set of anticodes. We=C2=A0describe the properties of these inv=
ariants and we show how different invariants offer different information on=
 the=C2=A0underlying code. We also define the generalized tensor binomial m=
oments and derive the MacWilliam identities for=C2=A0codes of tensors. Fina=
lly, we introduce new families of extremal tensor codes, namely the i-tenso=
r binomial=C2=A0moment determined and the i-tensor maximum rank distance co=
des.
The new r=
esults in this talk are joint work with E. Byrne.
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:: Tensor Codes: Invariants and Extremality
content:: Giuseppe Cotardo (UCD)
:: UCD Algebra and Number Theory seminar (http://maths.ucd.ie/seminarseries/Al=
gebra)=20
location:: Seminar Room SCN 1.25
date-time:: Thu 28th Apr 2022 at 2:00PM  

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Date:         Fri, 22 Apr 2022 08:27:59 +0000
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From:         "Romina.Gaburro" 
Subject: Maths: MACSI seminar, TODAY, April, 22nd at 15.00
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Dear All,


the next MACSI seminar at the Department of Mathematics and Statistics, Uni=
versity of Limerick will be given by Peter Sheridan Dodds (University of Ve=
rmont (UVM)) TODAY, Friday the 22nd of April. Details of the seminar are gi=
ven below.


The seminar will be held in person in the Mathematics and Statistics semina=
r room A2002, main building and via the Zoom at:


Join Zoom Meeting



Meeting ID: 850 9860 8093

Passcode: 644609


Date:  Friday, April 22, 2022 at 15.00.


Speaker:  Prof. Peter Sheridan Dodds  (Department of Computer Science, Univ=
ersity of Vermont (UVM), U.S.).


Title: Ousiometrics and Telegnomics: Distant measurement of timelines, stor=
ies, and essential meaning.

Abstract: We define 'ousiometrics' to be the study of essential meaning in =
whatever context that meaningful signals are communicated, and 'telegnomics=
' as the study of remotely sensed knowledge. I will explain our two central=
 findings for ousiometrics:

1. The essence of meaning conveyed by words is described by a compass-like =
plane with major axes of powerful-weak and dangerous-safe, and a minor thir=
d dimension representing structure;

2. Analysis of a disparate collection of large-scale English language corpo=
ra=97literature, news, Wikipedia, talk radio, and social media=97shows that=
 natural language exhibits a systematic bias toward safe, low danger words=
=97reinterpreting the Pollyanna principle's positivity bias for written exp=
ression.

I will outline how we have used our findings to construct and test a protot=
ype 'ousiometer', a telegnomic instrument that measures ousiometric time se=
ries for temporal corpora. I will show that the power-danger-structure (PDS=
) framework remarkably appears in other venues including the distribution o=
f character types in stories, from Pride and Prejudice to Buffy the Vampire=
 Slayer, and indicate an array of possible future work.

As time might allow, I will also briefly touch on a range of interconnected=
 projects carried out by the Computational Story Lab. Topics potentially in=
clude:

- Measurements of happiness and sadness in large-scale texts of all kinds;
- The use of our telegnomic instrument the Hedonometer to measure and docum=
ent population-scale events including the collective trauma of the COVID-19=
 pandemic, George Floyd's murder, and the Russian invasion of Ukraine;
- Connected collaborative work with the Economist;
- Realizing Vonnegut's idea of measuring emotional arcs of stories;
- Dynamics of raw fame;
- Computational historical timeline reconstruction;
- The extraordinary online fame of BTS and Trump;
- Measurement of narrative control;
- Collective chronopathy, how time flies and crawls;
- and Allotaxonometry, the comparison of complex systems.

Sample relevant papers:

1. "Ousiometrics and Telegnomics: The essence of meaning
  conforms to a two-dimensional powerful-weak and dangerous-safe
  framework with diverse corpora presenting a safety bias"
https://pdodds.w3.uvm.edu/research/papers/dodds2021b/
2. "Computational timeline reconstruction of the stories surrounding
  Trump: Story turbulence, narrative control, and collective chronopathy"
https://pdodds.w3.uvm.edu/research/papers/dodds2020n/
3. "Storywrangler: A massive exploratorium for sociolinguistic,
  cultural, socioeconomic, and political timelines using Twitter"
https://pdodds.w3.uvm.edu/research/papers/alshaabi2021c/
4. "Probability-turbulence divergence: A tunable allotaxonometric
  instrument for comparing heavy-tailed categorical distributions"
https://pdodds.w3.uvm.edu/research/papers/dodds2020g/
5. "Allotaxonometry and rank-turbulence divergence: A universal
  instrument for comparing complex systems"
https://pdodds.w3.uvm.edu/research/papers/dodds2020a/
6. "Fame and Ultrafame: Measuring and comparing daily levels of 'being
  talked about' for United States' presidents, their rivals, God,
  countries, and K-pop"
https://pdodds.w3.uvm.edu/research/papers/dodds2019a/

Instruments:

https://hedonometer.org
"https://hedonometer.org/books/v1/?book=3DHarry%20Potter%20and%20the%20Pris=
oner%20of%20Azkaban"
https://storywrangling.org
http://panometer.org/instruments/lexicocalorimeter/
http://compstorylab.org/potusometer

Online appendices:

https://storylab.w3.uvm.edu/ousiometrics
http://compstorylab.org/allotaxonometry
http://compstorylab.org/trumpstoryturbulence/

Bio: Peter Sheridan Dodds is a Professor at the University of Vermont (UVM)
working on system-level problems in many fields, ranging from
sociology to physics. He is Director of UVM's Complex Systems Center,
co-Director of UVM's Computational Story Lab, a visiting faculty
fellow at the Vermont Advanced Computing Core, and is appointed to the
Department of Computer Science. He maintains general
research and teaching interests in complex systems and networks with a
current focus on sociotechnical and psychological phenomena including
collective emotional states, contagion, language, and stories. His
methods encompass large-scale data collection and analysis,
large-scale sociotechnical experiments, and the formulation, analysis,
and simulation of theoretical models. Dodds's training is in
theoretical physics, mathematics, and electrical engineering with
extensive formal postdoctoral and research experience in the social
sciences. Dodds has received funding from NSF, NASA, ONR, the MITRE
Corporation, MassMutual, and Google, and was awarded an NSF CAREER
grant by the Social and Economic Sciences Directorate.


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<=
mailto: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



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Dear All,






























the next MACSI seminar at the Department of Mathematics and St=
atistics, University of Limerick will be given by
Peter Sheridan Dodds (University of Vermont (UVM)) TODAY, Friday the 22^nd of
 April. Details
 of the seminar are given below.

<=
font size=3D"3">



<=
font size=3D"3">The seminar will be held in person in the Mathematics and S=
tatistics seminar room A2002, main building and via the Zoom at: 




Join Zoom&n=
bsp;Meeting



<https://us06web.zoom.us/j/85098608093?pwd=3DYTl4aEpqNXVMQU1ZTitwc2tvQVdj=
UT09>



Meeting
 ID: 850 9860 8093



Passcode:
 644609







Date:  Friday,
 April 22, 2022 at 15.00.











Speaker:  Prof. Peter
 Sheridan Dodds  (Department
 of Computer Science, 
University of Vermont (UVM), U.S.). 







Title: Ousiom=
etrics
 and Telegnomics: Distant measurement of timelines, stories, and essential =
meaning.







Abstract: We
 define 'ousiometrics' to be the study of essential meaning in whatever con=
text that meaningful signals are communicated, and 'telegnomics' as the stu=
dy of remotely sensed knowledge. I will explain our two central findings fo=
r ousiometrics:
<=
br style=3D"color:rgb(0,0,0); font-family:Calibri,sans-serif; font-size:14.=
666666984558105px">
1. The e=
ssence of meaning conveyed by words is described by a compass-like plane wi=
th major axes of powerful-weak and
 dangerous-safe, and a minor third dimension representing structure;=




2. Analy=
sis of a disparate collection of large-scale English language corpora=97lit=
erature, news, Wikipedia, talk radio,
 and social media=97shows that natural language exhibits a systematic bias =
toward safe, low danger words=97reinterpreting the Pollyanna principle's po=
sitivity bias for written expression.



I will o=
utline how we have used our findings to construct and test a prototype 'ous=
iometer', a telegnomic instrument
 that measures ousiometric time series for temporal corpora. I will show th=
at the power-danger-structure (PDS) framework remarkably appears in other v=
enues including the distribution of character types in stories, from Pride =
and Prejudice to Buffy the Vampire
 Slayer, and indicate an array of possible future work.




<=
span style=3D"font-size:12pt; color:rgb(0,0,0); font-family:Calibri,sans-se=
rif; background-color:rgb(255,255,255); display:inline!important">As time m=
ight allow, I will also briefly touch
 on a range of interconnected projects carried out by
 the Computational Story Lab. Topics potentially include:



- Measur=
ements of happiness and sadness in large-scale texts of all kinds;
- The us=
e of our telegnomic instrument the Hedonometer to measure and document popu=
lation-scale events including the
 collective trauma of the COVID-19 pandemic, George Floyd's murder, and the=
 Russian invasion of Ukraine;

- Connec=
ted collaborative work with the Economist;

- Realiz=
ing Vonnegut's idea of measuring emotional arcs of stories;

- Dynami=
cs of raw fame;

- Comput=
ational historical timeline reconstruction;

- The ex=
traordinary online fame of BTS and Trump;

- Measur=
ement of narrative control;

- Collec=
tive chronopathy, how time flies and crawls;

- and Al=
lotaxonometry, the comparison of complex systems.



Sample r=
elevant papers:



1. "=
;Ousiometrics and Telegnomics: The essence of meaning

  c=
onforms to a two-dimensional powerful-weak and dangerous-safe

  f=
ramework with diverse corpora presenting a safety bias"

https://pdodds.=
w3.uvm.edu/research/papers/dodds2021b/

2. "=
;Computational timeline reconstruction of the stories surrounding
  T=
rump: Story turbulence, narrative control, and collective chronopathy"=


https://pdodds.=
w3.uvm.edu/research/papers/dodds2020n/

3. "=
;Storywrangler: A massive exploratorium for sociolinguistic,

  c=
ultural, socioeconomic, and political timelines using Twitter"<=
br style=3D"color:rgb(0,0,0); font-family:Calibri,sans-serif; font-size:14.=
666666984558105px">
https://pdod=
ds.w3.uvm.edu/research/papers/alshaabi2021c/

4. "=
;Probability-turbulence divergence: A tunable allotaxonometric

  i=
nstrument for comparing heavy-tailed categorical distributions"=


https://pdodds.=
w3.uvm.edu/research/papers/dodds2020g/

5. "=
;Allotaxonometry and rank-turbulence divergence: A universal

  i=
nstrument for comparing complex systems"

https://pdodds.=
w3.uvm.edu/research/papers/dodds2020a/

6. "=
;Fame and Ultrafame: Measuring and comparing daily levels of 'being<=
br style=3D"color:rgb(0,0,0); font-family:Calibri,sans-serif; font-size:14.=
666666984558105px">
  t=
alked about' for United States' presidents, their rivals, God,

  c=
ountries, and K-pop"

https://pdodds.=
w3.uvm.edu/research/papers/dodds2019a/



Instrume=
nts:



<=
span style=3D"font-size:12pt">https://hedonometer.org

"<=
span style=3D"font-size:12pt">https://hedonometer.org/books/v1/?book=3DHarr=
y%20Potter%20and%20the%20Prisoner%20of%20Azkaban"

https://storywrangling.org

http://panomete=
r.org/instruments/lexicocalorimeter/

http://compstorylab.org/potusomet=
er



Online a=
ppendices:



https://storylab.w3.uvm.edu/=
ousiometrics

http://compstorylab.org/allot=
axonometry

http://compstorylab.org=
/trumpstoryturbulence/





Bio:<=
/b> Peter Sheridan Dodds
 is a Professor at the University of Vermont (UVM)


working =
on system-level problems in many fields, ranging from

sociolog=
y to physics. He is Director of UVM's Complex Systems Center,

co-Direc=
tor of UVM's Computational Story Lab, a visiting faculty

fellow a=
t the Vermont Advanced Computing Core, and is appointed to the

Departme=
nt of Computer Science. He maintains general

research=
 and teaching interests in complex systems and networks with a

current =
focus on sociotechnical and psychological phenomena including

collecti=
ve emotional states, contagion, language, and stories. His

methods =
encompass large-scale data collection and analysis,

large-sc=
ale sociotechnical experiments, and the formulation, analysis,

and simu=
lation of theoretical models. Dodds's training is in

theoreti=
cal physics, mathematics, and electrical engineering with

extensiv=
e formal postdoctoral and research experience in the social

sciences=
. Dodds has received funding from NSF, NASA, ONR, the MITRE

Corporat=
ion, MassMutual, and Google, and was awarded an NSF CAREER



grant by=
 the Social and Economic Sciences Directorate.










Further Infor=
mation: If you have any questions regarding this seminar,
 please direct them to Romina Gaburro (061 2131930, romina.gaburr=
o 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),
 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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Date:         Fri, 22 Apr 2022 09:09:28 +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,

The next Mathematics and Statistics Colloquium for this academic year takes=
 place Wednesday 27th April 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: Junior Professor Caroline Lausseur, Faculty of Mathematics, TU Kai=
serslautern and RWTH Aachen University

Title: Permutation modules in the representation theory of finite groups

Click to join:
Microsoft Teams meeting
Join on your computer or mobile app
Click here to join the meeting
Learn more | Meeting options


Abstract: In this talk we will survey permutation representations and the c=
entral role they play in the representation theory of finite groups. In a s=
econd part, I will describe a current project of my working group aiming at=
 creating a computer-based database of such representations for finite grou=
ps which are "small" in different interpretations.



Galatia Cleanthous
Assistant Professor
National University of Ireland,
Maynooth
Home (google.com)

[cid:0cc92289-c0af-4da0-a1f5-0c9b7e6580b0]


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Dear
 colleagues,=





















The nex=
t Mathematics and Statistics Colloquium for this academic year takes place<=
/span> Wednesday 27th April 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



________________________________=
__________________________________________




Sp=
eaker: Junior Professor Caroline Lausseur, Faculty of Mathematics,=
 TU Kaiserslautern and RWTH Aachen University



Ti=
tle: Permutation modules in the representation theory of finite gr=
oups



Cl=
ick to join: 
Microsoft Teams meeting

Join on your computer or mobile app
Click
 here to join the meeting
Learn
 more | 
Meeting options







=
Abstract:
In this talk we will survey permutation representations and the central=
 role they play in the representation theory of finite groups. In a second =
part, I will describe a current project of my working group aiming at creat=
ing a computer-based database of
 such representations for finite groups which are "small" in diff=
erent interpretations.






























Galatia Cleanthous


Assistant Professor


National University of Ireland,
Maynooth

Home (google.c=
om)














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ITP2022 - https://www.stp.dias.ie/itp2022/

Irish Theoretical Physics Meeting 2022 - 25-27 May (Formerly IQF)

DUBLIN INSTITUTE FOR ADVANCED STUDIES
MAY 25TH - 27TH, 2022

What began as the the annual Irish Quantum Field Theory Meeting now 
covers a broad range topics including quantum foundations, quantum 
information, condensed matter theory, cosmology and relativity. To 
better represent the diverse array of fields discussed in more recent 
iterations of the conference, we would like to take the opportunity to 
designate this year's meeting as the Irish Theoretical Physics 2022 
conference, or ITP2022.

We aim to bring together Irish and international researchers, and 
especially to give early career researchers an opportunity to present 
their work. There is no registration fee but we ask all participants to 
register here.

This year, we are pleased to announce there will be two O'Raifeartaigh 
Lectures - one given by Prof. Fay Dowker of Imperial College London, and 
another by Prof. John Ellis of King's College London.

To register please visit https://www.stp.dias.ie/itp2022/

-- 
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

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The next INAF (Irish Numerical Analysis Forum) seminar will be given on 28 April 2022, 14:00 (Dublin) by

Endre Süli (University of Oxford, UK)

Finite element approximation of nonlinear elliptic systems with linear growth

The talk is concerned with the numerical analysis of a system of nonlinear partial differential equations that arises from Rajagopal's theory of elastic solids with limiting small strain. We construct a finite element approximation of this limited-strain elastic model. The sequence of finite element approximations is shown to exhibit strong convergence to the unique weak solution of the model. Assuming that the material parameters featuring in the model are Lipschitz-continuous, and assuming that the weak solution has additional regularity, the sequence of approximations is shown to converge with a rate. The theoretical results are illustrated by numerical experiments.

The talk is based on a series of joint papers with Lisa Beck (Augsburg), Andrea Bonito (Texas A&M), Miroslav Bulicek (Charles University Prague), Vivette Girault (Paris VI), Josef Malek (Charles University Prague), and Kumbakonam Rajagopal (Texas A&M).


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:: Endre Süli (Oxford)
:: Finite element approximation of nonlinear elliptic systems with linear growth
date-time:: Thursday 28 April 14:00
location:: ZOOM; register at https://staff.ul.ie/natalia/inaf
endevent::

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Date:         Tue, 26 Apr 2022 07:55:35 +0000
Reply-To:     Galatia Cleanthous 
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From:         Galatia Cleanthous 
Subject: Maths: MU Maths&Stats Colloquium
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Dear colleagues,

This is a reminder that:

The next Mathematics and Statistics Colloquium for this academic year takes=
 place Wednesday 27th April 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: Junior Professor Caroline Lausseur, Faculty of Mathematics, TU Kai=
serslautern and RWTH Aachen University

Title: Permutation modules in the representation theory of finite groups

Click to join:
Microsoft Teams meeting
Join on your computer or mobile app
Click here to join the meeting
Learn more | Meeting options


Abstract: In this talk we will survey permutation representations and the c=
entral role they play in the representation theory of finite groups. In a s=
econd part, I will describe a current project of my working group aiming at=
 creating a computer-based database of such representations for finite grou=
ps which are "small" in different interpretations.


Galatia Cleanthous
Assistant Professor
National University of Ireland,
Maynooth
Home (google.com)

[cid:e97b3ec7-6b17-4bff-b62e-041216800945]


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<=
span style=3D"margin:0px;background-color:white"><=
span style=3D"margin:0px;background-color:white"><=
span style=3D"margin:0px;background-color:white"><=
span style=3D"margin:0px;background-color:white">Dear
 colleagues,=






This is a reminder that:





















The nex=
t Mathematics and Statistics Colloquium for this academic year takes place<=
/span> Wednesday 27th April 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: Junior Professor Caroline Lausseur, Faculty of M=
athematics, TU Kaiserslautern and RWTH Aachen University





Title: Permutation modules in the representation theory o=
f finite groups





Click to join: 

Microsoft Teams meeting

Join on your computer or mobile app
Click
 here to join the meeting
Learn
 more | Meeting
 options











Abstract: In this talk we will su=
rvey permutation representations and the central role they play in the repr=
esentation theory of finite groups. In a second part, I will describe a cur=
rent project of my working group aiming
 at creating a computer-based database of such representations for finite g=
roups which are "small" in different interpretations.




























Galatia Cleanthous


Assistant Professor


National University of Ireland,
Maynooth

Home (google.c=
om)














--_000_AM9PR02MB653172ED87EA339D6EB0DA5E89FB9AM9PR02MB6531eurp_--

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Message-ID:  
Date:         Tue, 26 Apr 2022 09:03:17 +0000
Reply-To:     "Romina.Gaburro" 
Sender:       UCD Maths Department Distribution List 
From:         "Romina.Gaburro" 
Subject: Maths: MACSI Zoom seminar, Friday, April 29th 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 Frank Takes (Leiden University) o=
n Friday the 29th of April. Please find below the details of the seminar.



Zoom connection details:


Join Zoom Meeting


Meeting ID: 895 1244 6636
Passcode: 857362


Date:  Friday, April 29, 2022 at 15.00.


Speaker:  Dr Frank Takes  (Department of Computer Science, Leiden Universit=
y, the Netherlands).


Title: Population-scale Social Network Analysis

Abstract: This talk considers responsibly anonymized population-scale socia=
l network data on all 17 million inhabitants of the Netherlands. The data s=
tems from country-wide administrative register data, and has the potential =
to shed new light on contemporary social scientific problems such as segreg=
ation, inequality, loneliness and poverty. The talk discusses how the forma=
l links (family, household, work, school and neighbor ties) in this social =
network require one to critically rethink network science concepts such as =
the unit of analysis, measurement errors effects and the boundary specifica=
tion problem. Moreover, it allows us to in a unique way revisit the well-kn=
own concept of closure and the small-world phenomenon in a population-scale=
 social network context. The talk furthermore presents initial findings on =
the relation between the network structure and spatial distribution of the =
population.



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

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_DB9PR03MB7628F827E9736DE074609AEC87FB9DB9PR03MB7628eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable






























Dear All, 


















&=
nbsp;

the next MACSI&=
nbsp;Zoom seminar at the Department of Mathematics and Statistics, Uni=
versity of Limerick will be given by

Frank Takes (Leiden University) on Friday the 29^th of April.&=
nbsp;Please
 find below the details of the seminar. 

&=
nbsp;

<=
/span>

Zoom connection details:







Join Zoom Meeting

<https://us06web.zoom.us/j/89512446636?pwd=3DYTd3bUt2dGhjN2U3LzZzN=
0g2Q0FxZz09>



Meeting ID: 895 1244 =
6636

Passcode: 857362









Date:  Friday,
 April 29, 2022 at 15.00.=








Speake=
r:  Dr

Frank Takes &nbs=
p;(Department of Computer Science,
 Leiden University, the Netherlands). 









Title: Population-scale Social Network Analysis







Abstract: This talk=
 considers responsibly anonymized population-scale social network data on a=
ll 17 million inhabitants of the Netherlands.
 The data stems from country-wide administrative register data, and has the=
 potential to shed new light on contemporary social scientific problems suc=
h as segregation, inequality, loneliness and poverty. The talk discusses ho=
w the formal links (family, household,
 work, school and neighbor ties) in this social network require one to crit=
ically rethink network science concepts such as the unit of analysis, measu=
rement errors effects and the boundary specification problem. Moreover, it =
allows us to in a unique way revisit
 the well-known concept of closure and the small-world phenomenon in a popu=
lation-scale social network context. The talk furthermore presents initial =
findings on the relation between the network structure and spatial distribu=
tion of the population.






&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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From owner-mathdep LISTSERV.HEANET.IE  Tue Apr 26 18:18:11 2022
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Reply-To:     "Denjoe O'Connor" 
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From:         "Denjoe O'Connor" 
Subject: maths: DIAS Zoominar Thursday April 28th 19:30 (NOTE) speaker Howard Haber
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Dear Colleagues,
                 please join us for our upcoming Theoretical Physics Seminar on
Thursday April 28th by Howard Haber. Please note the late starting time 
due to the time difference with California.

Date: Thursday April 28th
Seminar Time: 19:30
https://us02web.zoom.us/j/6199730148?pwd=SjVGcTJWQmZZNndHenMyRStsL0lKdz09
Meeting ID: 619 973 0148
Passcode: 122512


                          Howard Haber
                 University of California Santa Cruz

Title: Why is the Higgs boson SM-like?

Abstract: The properties of the Higgs boson discovered in 2012 at the LHC 
are consistent with the predictions of the Standard Model (SM), to within 
the accuracy of the present LHC Higgs data. Nevertheless, there are 
numerous motivations to suggest that the scalar sector of the fundamental 
theory of particles is likely to be non-minimal, in contrast to the 
minimal scalar sector of the SM. If an extended Higgs sector exists, then 
why should the observed Higgs boson closely resemble the Higgs boson of 
the SM? In this talk, I examine the possibility that the Higgs boson is 
SM-like due to a softly-broken symmetry, The size of the corresponding 
soft-breaking terms ultimately determines the small deviations of the 
Higgs couplings from their SM values, which can be discovered in future 
LHC running (or at a Higgs factory that may eventually follow). If such a 
scenario can be realized, then it would provide a natural explanation for 
the SM-like properties of the observed Higgs boson, while allowing for the 
existence of new scalars (and perhaps other new particles beyond the SM) 
whose presence can be probed in future runs at the LHC.

With best wishes,
Denjoe.

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Message-ID:  
Date:         Fri, 29 Apr 2022 08:34:25 +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,

Our last Mathematics and Statistics Colloquium for this academic year takes=
 place Wednesday 4th May at 3pm. The talk will be held virtually via Micros=
oft Teams. Details of the talk and a link to join the meeting are given bel=
ow.

All are welcome!

BR,
G

__________________________________________________________________________

Speaker: Dr Anna Paola Todino, Dipartimento di Matematica e Applicazioni, U=
niversit=E0 di Milano Bicocca

Title: Alternative forms of random spherical harmonics

Click to join:
Microsoft Teams meeting
Join on your computer or mobile app
Click here to join the meeting
Learn more | Meeting options

Abstract:
In the last decade, lot of efforts have been devoted to the analysis of the=
 high-frequency behaviour of geometric functionals (Lipschitz-Killing Curva=
tures) for the excursion sets of random eigenfunctions on the unit sphere (=
spherical harmonics). In dimension 2, Lipschitz-Killing Curvatures correspo=
nd to the area, half of the boundary length and the Euler-Poincar=E9 charac=
teristic. The asymptotic behavior of their expected values and variances ha=
ve been investigated and quantitative central limit theorems have been esta=
blished in the high energy limits. In order to find a general theory, these=
 results have been then extended to local behaviour by considering subdomai=
ns of the sphere. Another interesting issue concerns the Gaussianity hypoth=
esis of the random field. In this direction we introduce a model of Poisson=
 random waves in S^2 and we study Quantitative Central Limit Theorems when =
both the rate of the Poisson process and the energy (i.e., frequency) of th=
e waves (eigenfunctions) diverge to infinity. We consider finite-dimensiona=
l distributions, harmonic coefficients and convergence in law in functional=
 spaces, and we investigate carefully the interplay between the rates of di=
vergence of eigenvalues and Poisson governing measures.



Galatia Cleanthous
Assistant Professor
National University of Ireland,
Maynooth
Home (google.com)

[cid:23abcebb-e486-48d6-9bc4-8d402a5e035a]


--_000_DB9PR02MB65372A82A190CFC5221A973A89FC9DB9PR02MB6537eurp_
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Dear
 colleagues,=






















Our las=
t Mathematics and Statistics Colloquium for this academic year takes place<=
/span> Wednesday 4th May 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



________________________________=
__________________________________________




Sp=
eaker: Dr Anna Paola Todino, Dipartimento di Matematica e Applicaz=
ioni, Universit=E0 di Milano Bicocca


Ti=
tle: Alternative forms of random spherical harmonics=




Click to join: 
Micros=
oft
 Teams meeting

Join on your computer or mobile app
Click
 here to join the meeting
Learn
 more | 
Meeting options





Abstract:
In the last decade, lot of efforts have been devoted to the=
 analysis of the high-frequency behaviour of geometric functionals (Lipschi=
tz-Killing Curvatures) for the excursion sets of random eigenfunctions on t=
he unit sphere (spherical harmonics).
 In dimension 2, Lipschitz-Killing Curvatures correspond to the area, half =
of the boundary length and the Euler-Poincar=E9 characteristic. The asympto=
tic behavior of their expected values and variances have been investigated =
and quantitative central limit theorems
 have been established in the high energy limits. In order to find a genera=
l theory, these results have been then extended to local behaviour by consi=
dering subdomains of the sphere. Another interesting issue concerns the Gau=
ssianity hypothesis of the random
 field. In this direction we introduce a model of Poisson random waves in S=
^2 and we study Quantitative Central Limit Theorems when both the rate of t=
he Poisson process and the energy (i.e., frequency) of the waves (eigenfunc=
tions) diverge to infinity. We consider
 finite-dimensional distributions, harmonic coefficients and converg=
ence in law in functional spaces, and we investigate carefully the interpla=
y between
 the rates of divergence of eigenvalues and Poisson governing measures.&nbs=
p;      






























Galatia Cleanthous


Assistant Professor


National University of Ireland,
Maynooth

Home (google.c=
om)














--_000_DB9PR02MB65372A82A190CFC5221A973A89FC9DB9PR02MB6537eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Fri Apr 29 10:37:09 2022
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Subject: Maths: HMI Lecture Series May 2022 - Higher Symplectic Stacks (in Differential Geometry)
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--00000000000074208905ddc7c715
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Dear all,

Prof. Chenchang Zhu (University of G=C3=B6ttingen) will be giving a lecture
series, `Higher Symplectic Stacks (in Differential Geometry)' hosted by the
Hamilton Mathematics Institute, Trinity College Dublin.

The lecture series will run from 10th May to the end of May 2022, and
lectures will take place weekly on Tuesdays at 10:30 am Irish Standard Time=
.

Zoom links for the lectures will be sent to registered participants. To
register please visit the website:

https://sites.google.com/tcd.ie/hmispringlectureseries2022/registration

Abstract:

In this series of lectures, we'd like to explore higher symplectic stacks
in differential geometry with the framework of Lie n-groupoids. We'll talk,
in more or less details on,


Kan simplicial objects with Grothendieck pretopologies, Lie n-groupoids,
Lie 2-groups as categorification of Lie groups;

Morita equivalence: via a) hypercovers, b) weak equivalences, c) bibundles
(sometimes called Hilsum-Skandalis bibundles); NQ manifolds (a sort of d.g.
manifolds), Lie n-algebroids (as tangent complex of Lie n-groupoids);

m-shifted symplectic Lie n-groupoids, with example of BG (or Lie group)
together with several interesting models of symplectic forms, symplectic
Morita equivalence, I.M. (infinitesimal multiplicative) forms on Lie
n-algebroids, which provide models of symplectic forms.

Best wishes,
Jack

Jack Kelly (He/ Him)
Postdoctoral Research Fellow
Hamilton Mathematics Institute
Trinity College Dublin

title:: HMI Lecture Series - Higher Symplectic Stacks (in Differential
Geometry)
content:: Prof. Chenchang Zhu (University of G=C3=B6ttingen),
:: Register at
:: https://sites.google.com/tcd.ie/hmispringlectureseries2022/registration
date-time:: Tuesday 10th May at 10:30 am
location:: Zoom
endevent::

title:: HMI Lecture Series - Higher Symplectic Stacks (in Differential
Geometry)
content:: Prof. Chenchang Zhu (University of G=C3=B6ttingen),
:: Register at
:: https://sites.google.com/tcd.ie/hmispringlectureseries2022/registration
date-time:: Tuesday 17th May at 10:30 am
location:: Zoom
endevent::

title:: HMI Lecture Series - Higher Symplectic Stacks (in Differential
Geometry)
content:: Prof. Chenchang Zhu (University of G=C3=B6ttingen),
:: Register at
:: https://sites.google.com/tcd.ie/hmispringlectureseries2022/registration
date-time:: Tuesday 24th May at 10:30 am
location:: Zoom
endevent::

--00000000000074208905ddc7c715
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dear all,

Prof. Chenchang Zhu (University of G=C3=
=B6ttingen) will be giving a lecture series, `Higher Symplectic Stacks (in =
Differential Geometry)' hosted by the Hamilton Mathematics Institute, T=
rinity College Dublin.

The lecture series will run from 10th May to =
the end of May 2022, and lectures will take place weekly on Tuesdays at 10:=
30 am Irish Standard Time.

Zoom links for the lectures will be sent =
to registered participants. To register please visit the website:

https://sites.google.com/tcd.ie/hmispringlectureseries2022/registrat=
ion

Abstract:

In this series of lectures, we'd like t=
o explore higher symplectic stacks in differential geometry with the framew=
ork of Lie n-groupoids. We'll talk, in more or less details on,

=

Kan simplicial objects with Grothendieck pretopologies, Lie n-groupoids=
, Lie 2-groups as categorification of Lie groups;

Morita equivalence=
: via a) hypercovers, b) weak equivalences, c) bibundles (sometimes called =
Hilsum-Skandalis bibundles); NQ manifolds (a sort of d.g. manifolds), Lie n=
-algebroids (as tangent complex of Lie n-groupoids); =C2=A0

m-shifte=
d symplectic Lie n-groupoids, with example of BG (or Lie group) together wi=
th several interesting models of symplectic forms, symplectic Morita equiva=
lence, I.M. (infinitesimal multiplicative) forms on Lie n-algebroids, which=
 provide models of symplectic forms.

Best wishes,
Jack

Jac=
k Kelly (He/ Him)
Postdoctoral Research Fellow
Hamilton Mathematics I=
nstitute
Trinity College Dublin

title:: HMI Lecture Series - High=
er Symplectic Stacks (in Differential Geometry)
content:: Prof. Chenchan=
g Zhu (University of G=C3=B6ttingen),:: Register at=C2=A0
::=
=C2=A0https://sites.google.com/tcd.ie/hmispringlectureseries2022/r=
egistration
date-time:: Tuesday 10th May at 10:30 am=C2=A0
locati=
on:: Zoom
endevent::

title:: HMI Lecture Series=
 - Higher Symplectic Stacks (in Differential Geometry)
content:: Prof. C=
henchang Zhu (University of G=C3=B6ttingen),:: Register at=C2=A0=
::=C2=A0https://sites.google.com/tcd.ie/hmispringlectureserie=
s2022/registration
date-time:: Tuesday 17th May at 10:30 am=C2=A0location:: Zoom
endevent::

title:: HMI L=
ecture Series - Higher Symplectic Stacks (in Differential Geometry)
cont=
ent:: Prof. Chenchang Zhu (University of G=C3=B6ttingen),:: Register a=
t=C2=A0
::=C2=A0https://sites.google.com/tcd.ie/hmisprin=
glectureseries2022/registration
date-time:: Tuesday 24th May at 10:3=
0 am=C2=A0
location:: Zoom
endevent::

--00000000000074208905ddc7c715--

From owner-mathdep LISTSERV.HEANET.IE  Fri Apr 29 14:08:07 2022
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ITP2022 - https://www.stp.dias.ie/itp2022/

Irish Theoretical Physics Meeting 2022 - 25-27 May (Formerly IQF)

DUBLIN INSTITUTE FOR ADVANCED STUDIES
MAY 25TH - 27TH, 2022

What began as the the annual Irish Quantum Field Theory Meeting now 
covers a broad range topics including quantum foundations, quantum 
information, condensed matter theory, cosmology and relativity. To 
better represent the diverse array of fields discussed in more recent 
iterations of the conference, we would like to take the opportunity to 
designate this year's meeting as the Irish Theoretical Physics 2022 
conference, or ITP2022.

We aim to bring together Irish and international researchers, and 
especially to give early career researchers an opportunity to present 
their work. There is no registration fee but we ask all participants to 
register here.

This year, we are pleased to announce there will be two O'Raifeartaigh 
Lectures - one given by Prof. Fay Dowker of Imperial College London, and 
another by Prof. John Ellis of King's College London.

To register please visit https://www.stp.dias.ie/itp2022/

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Subject: Maths: Maynooth Dept of Theoretical Physics Seminar: Wednesday 5th April  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: Aaron Conlon, Maynooth Dept of Theoretical Physics / DIAS
Time: Wednesday, April 5, 2023 - 15:00 to 16:00
Place: CB2, Callan Building, North Campus
Title: Extending the planar theory of anyons to quantum wire networks

Abstract:
Exchanging particles on graphs, or more concretely on networks of quantum
wires, has been proposed as a means to perform fault-tolerant quantum
computation. This was inspired by the braiding of anyons in planar systems.
For anyons in the plane, there is an algebraic framework given by unitary
braided tensor categories. This naturally incorporates the fusion of
topological charge and braid statistics. The braiding statistics are
constrained through the hexagon equations, which enforce the compatibility
of braiding and fusion. However, the exchange statistics of particles on a
graph are not governed by the usual braid group but instead by a graph
braid group, which depends on the graph. In arxiv:2202.08207 and
arxiv:2301.06590, we propose an algebraic model for anyon like excitations
on graphs, analogous to their planar counterpart. By imposing the
compatibility of graph braiding with fusion of topological charges, we
obtain generalised hexagon equations and further consistency equations,
which depend on the graph in question.
We find the usual planar anyon solutions but also more general braid
actions.

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

--0000000000002b982905f846eb32
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: Aaron Conlon, Maynooth Dept of Th=
eoretical Physics / DIAS
Time: Wednesday, April 5, 2023 - 15:00 to 16:00=

Place: CB2, Callan Building, North Campus
Title: Extending the plana=
r theory of anyons to quantum wire networks

Abstract:
Exchanging =
particles on graphs, or more concretely on networks of quantum wires, has b=
een proposed as a means to perform fault-tolerant quantum computation. This=
 was inspired by the braiding of anyons in planar systems. For anyons in th=
e plane, there is an algebraic framework given by unitary braided tensor ca=
tegories. This naturally incorporates the fusion of topological charge and =
braid statistics. The braiding statistics are constrained through the hexag=
on equations, which enforce the compatibility of braiding and fusion. Howev=
er, the exchange statistics of particles on a graph are not governed by the=
 usual braid group but instead by a graph braid group, which depends on the=
 graph. In arxiv:2202.08207 and arxiv:2301.06590, we propose an algebraic m=
odel for anyon like excitations on graphs, analogous to their planar counte=
rpart. By imposing the compatibility of graph braiding with fusion of topol=
ogical charges, we obtain generalised hexagon equations and further consist=
ency equations, which depend on the graph in question.
We find the usual=
 planar anyon solutions but also more general braid actions.
=
Link to join via Microsoft Teams: https://teams.microsoft.com/l/meetup-join/19%3a3xVzZgKOxz=
-_0D0vx_nZXhO7Hg5fCThijCyD1ApHlvA1%40thread.tacv2/1676303185301?context=3D%=
7b%22Tid%22%3a%221454f5cc-bb35-4685-bbd9-8621fd8055c9%22%2c%22Oid%22%3a%22f=
323c4f6-7fb7-43ee-93a3-a199f6cf3430%22%7d


--0000000000002b982905f846eb32--

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Message-ID:  
Date:         Mon, 3 Apr 2023 07:24:28 +0000
Reply-To:     Isaac Burke 
Sender:       UCD Maths Department Distribution List 
From:         Isaac Burke 
Subject: maths: MU Maths-Stats Colloquium, Wednesday 5th April
To:           MATHDEP LISTSERV.HEANET.IE
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--_000_AM6PR02MB41342A2DA0E4A02BFF02B004FC929AM6PR02MB4134eurp_
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

Dear colleagues,

This week's MU Mathematics and Statistics Colloquium takes place as usual o=
n Wednesday 5th April at 3pm in MS2, Logic House, Maynooth University. See =
below for details. All are welcome.

Best wishes,
Isaac

___________________________________________________________________________

Speaker: Dr Ian Banfield, Maynooth University

Title: The Fox conjecture, log-concavity and deep-learning

Abstract: In the 1960s, Ralph Fox conjectured that the coefficient sequence=
 of the Alexander polynomial of an alternating knot is unimodal. Stronger v=
ersions of this conjecture have been formulated since; in particular one ma=
y ask whether the Alexander polynomial is log-concave. While Fox's conjectu=
re remains open, modern machinery developed by June Huh and others on log-c=
oncave polynomials offer a glimpse of hope.

I will discuss the background from knot theory, Fox's conjecture and its fr=
iends, log-concavity and recent work on log-concave sequences, and outline =
a novel connection between rational tangles and combinatorics on words. Thi=
s gives a proof of log-concavity of the Alexander polynomial for two-bridge=
 knots, a well-known class of alternating links. If time permits, I will ex=
plain why this problem is ideally suited to be studied by applying modern s=
equence models from deep-learning (i.e. Transformers).

___________________________________________________________________________

title:: MU Maths-Stats Colloquium
content:: Dr Ian Banfield
:: Maynooth University
:: presents a talk entitled "The Fox conjecture, log-concavity and deep-lea=
rning"
date-time:: 5th April 2023 at 3pm
location:: Room MS2, Logic House, Maynooth University
endevent::


--_000_AM6PR02MB41342A2DA0E4A02BFF02B004FC929AM6PR02MB4134eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable








Dear colleagues, 




This week's MU Mathematics and Statistics =
Colloquium takes place as usual on
Wednesday 5th April at 3pm in MS2, Logic House, Maynooth University.=
 See below for details. All are welcome.



Best wishes,
Isaac



_____________________________________________=
______________________________



Speaker: Dr Ian Banfield, Maynooth Uni=
versity



Title: The Fox conjecture, log-concavi=
ty and deep-learning



Abstract: In the 1960s, Ralph Fox conj=
ectured that the coefficient sequence of the Alexander polynomial of an alt=
ernating knot is unimodal. Stronger versions of this conjecture have been f=
ormulated since; in particular one
 may ask whether the Alexander polynomial is log-concave. While Fox's conje=
cture remains open, modern machinery developed by June Huh and others on lo=
g-concave polynomials offer a glimpse of hope.



I will discuss the background from knot theor=
y, Fox's conjecture and its friends, log-concavity and recent work on log-c=
oncave sequences, and outline a novel connection between rational tangles a=
nd combinatorics on words. This gives
 a proof of log-concavity of the Alexander polynomial for two-bridge knots,=
 a well-known class of alternating links. If time permits, I will explain w=
hy this problem is ideally suited to be studied by applying modern sequence=
 models from deep-learning (i.e.
 Transformers).



_____________________________________________=
______________________________



title:: MU Maths-Stats Colloquium
content:: Dr Ian Banfield
:: Maynooth University
:: presents a talk entitled "The Fox con=
jecture, log-concavity and deep-learning"
date-time:: 5th April 2023 at 3pm
location:: Room MS2, Logic House, Maynooth Un=
iversity
endevent::






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From owner-mathdep LISTSERV.HEANET.IE  Mon Apr  3 18:59:09 2023
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Date:         Mon, 3 Apr 2023 18:57:16 +0100
Reply-To:     grogers STP.DIAS.IE
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From:         George Rogers 
Subject: Maths: STP, DIAS Public Lecture - Nima Arkani-Hamed - 24 April
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As part of the IAS-DIAS organised conference, The Amplituhedron at 10: 
Hidden Mathematical Structures of the Amplituhedron, Prof. Nima 
Arkani-Hamed (IAS, Princeton) will give a public lecture at the Royal 
Irish Academy on the evening of Monday 24 April.

This is a free ticketed event.

Speaker: Nima Arkani-Hamed (IAS)

Title: Why is the Universe Big?

Abstract: Perhaps the most obvious fact about our universe is that it is 
enormously big, populated with huge objects -- stars, planets and people 
-- that are also all much bigger than the miniscule size of molecules, 
atoms and elementary particles that make up all matter. Why is this? In 
this talk, we will see that in trying to answer this simplest of 
questions -- "why is the universe big?", we are forced to confront some 
of the deepest mysteries confronting fundamental physics today, 
challenging the foundations of our understanding of spacetime, quantum 
mechanics and the vacuum.

Time: Monday 24 April, 6pm

Place: Royal Irish Academy, Dawson St, Dublin 2

Tickets: 
https://www.eventbrite.ie/e/why-is-the-universe-big-tickets-607535203147

-- 
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
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From owner-mathdep LISTSERV.HEANET.IE  Tue Apr  4 13:31:04 2023
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Content-Type: multipart/alternative; boundary="000000000000978faf05f881d2ca"
Message-ID:  
Date:         Tue, 4 Apr 2023 13:28:35 +0100
Reply-To:     Anthony Cronin 
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From:         Anthony Cronin 
Subject: Re: Maths: Sustaining Accessibility in Mathematics
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Dear colleague,
Apologies for any cross-posting.

The recordings and slides from ten of the talks on Sustaining Accessibility
in Mathematics are now available from the event's website here

.
The slides for Frawley's and Gavin's talk on Neurodiversity at UCD will
follow soon as this analysis is at a preliminary stage.

We hope you will find these resources useful.

Anthony Cronin and Anthony Brown
UCD School of Mathematics and Statistics





==========================================================
Dr Anthony Cronin

(Preferred pronouns: He and Him *what's this?
*)
University for All Faculty Partner (Science)

Assistant Professor of Mathematics
Maths Support Centre Managing Director 
School of Mathematics and Statistics 
James Joyce Library
University College Dublin
Tel: +353 (0)1 716 7536
=====================


On Fri, 3 Mar 2023 at 07:37, Anthony Cronin  wrote:

> 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
>

--000000000000978faf05f881d2ca
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dear colleague,Apologies for any cross-posting.

The recordings=C2=A0and slides from ten=
 of the talks on Sustaining=C2=A0Accessibility in Mathematics are now avail=
able from the=C2=A0event's w=
ebsite here.
The slides=C2=A0for Frawley's and Gavin's =
talk on Neurodiversity at UCD will follow soon as this analysis is at a pre=
liminary=C2=A0stage.

We hope you will find these res=
ources useful.

Anthony Cronin and Anthony Brown<=
div class=3D"gmail_default" style=3D"font-family:Arial,Helvetica,sans-serif=
">UCD School of Mathematics and Statistics


<=
div dir=3D"ltr">


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

Dr Anthony Cronin (Preferred =
pronouns: He and Him what's this?)
University for All Faculty Partner (Science)<=
div dir=3D"ltr">Assistant Professor of Mathematics
Maths Support Centre Ma=
naging Director
School of Mathematics and Statistics
James=
 Joyce Library
University College Dublin
Tel: +353 (0)1 716 7536=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<=
/div>

=

=
On Fri, 3 Mar 2023 at 07:37, Anthony Cronin <anthony.cronin ucd.ie> wrote:
Dear colleagues,

We would like to invite you to atte=
nd an event=C2=A0Sustaining Acce=
ssibility in Mathematics=C2=A0on Friday March 24 from 9am-4pm in the=C2=
=A0UCD Village<=
/a>.

You will hear from international and national experts involved =
in mathematics accessibility issues in higher education including:
Writ=
ing accessible digital mathematics with LaTeX or Markdown,
Dyslexia, Dys=
calculia & Dyspraxia,
Mathematics Anxiety,
Mathematical Resilienc=
e,
Student=
s' mathematical sense of belonging at university,=C2=A0Supporting visually impai=
red=C2=A0students with mathematics, and
Efficacy of text-to-speech techn=
ology in reducing barriers to inclusive reading in higher education.
More information including speakers and abstracts is available from the=C2=A0website here.=C2=A0If attending please=C2=A0register=C2=A0before March=C2=A017th.

Anthony Cronin and Anthony B=
rown
University College Dublin



--000000000000978faf05f881d2ca--

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Date:         Wed, 5 Apr 2023 09:30:24 +0000
Reply-To:     Isaac Burke 
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From:         Isaac Burke 
Subject: maths: MU Maths-Stats Colloquium, Wednesday 5th April [today]
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Content-Type: text/plain; charset="iso-8859-1"
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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 5th April at 3pm in MS2, Logic House, Maynooth University. See =
below for details. All are welcome.

Best wishes,
Isaac

___________________________________________________________________________

Speaker: Dr Ian Banfield, Maynooth University

Title: The Fox conjecture, log-concavity and deep-learning

Abstract: In the 1960s, Ralph Fox conjectured that the coefficient sequence=
 of the Alexander polynomial of an alternating knot is unimodal. Stronger v=
ersions of this conjecture have been formulated since; in particular one ma=
y ask whether the Alexander polynomial is log-concave. While Fox's conjectu=
re remains open, modern machinery developed by June Huh and others on log-c=
oncave polynomials offer a glimpse of hope.

I will discuss the background from knot theory, Fox's conjecture and its fr=
iends, log-concavity and recent work on log-concave sequences, and outline =
a novel connection between rational tangles and combinatorics on words. Thi=
s gives a proof of log-concavity of the Alexander polynomial for two-bridge=
 knots, a well-known class of alternating links. If time permits, I will ex=
plain why this problem is ideally suited to be studied by applying modern s=
equence models from deep-learning (i.e. Transformers).

___________________________________________________________________________


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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 5th April at 3pm in MS2, Logic House, Maynooth University.=
 See below for details. All are welcome.



Best wishes,
Isaac



_____________________________________________=
______________________________



Speaker: Dr Ian Banfield, Maynooth Uni=
versity



Title: The Fox conjecture, log-concavi=
ty and deep-learning



Abstract: In the 1960s, Ralph Fox conj=
ectured that the coefficient sequence of the Alexander polynomial of an alt=
ernating knot is unimodal. Stronger versions of this conjecture have been f=
ormulated since; in particular one
 may ask whether the Alexander polynomial is log-concave. While Fox's conje=
cture remains open, modern machinery developed by June Huh and others on lo=
g-concave polynomials offer a glimpse of hope.



I will discuss the background from knot theor=
y, Fox's conjecture and its friends, log-concavity and recent work on log-c=
oncave sequences, and outline a novel connection between rational tangles a=
nd combinatorics on words. This gives
 a proof of log-concavity of the Alexander polynomial for two-bridge knots,=
 a well-known class of alternating links. If time permits, I will explain w=
hy this problem is ideally suited to be studied by applying modern sequence=
 models from deep-learning (i.e.
 Transformers).



_____________________________________________=
______________________________






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Date:         Wed, 5 Apr 2023 12:20:19 +0000
Reply-To:     David Henry 
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From:         David Henry 
Subject: Maths: workshop on "Nonlinear Dispersive Waves", UCC, 24-25 April
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Dear colleagues,

This is a reminder of the research workshop on =93Nonlinear Dispersive Wave=
s=94 which will take place in University College Cork on April 24-25, 2023.

Invited speakers:
Didier Clamond (Universit=E9 C=F4te d=92Azur)
Adrian Constantin (University of Vienna)
Olivia Constantin (University of Vienna)
Joachim Escher (Leibniz University Hannover)
Delia Ionescu-Kruse (IMAR)
Rossen Ivanov (TU Dublin)
David Lannes (University of Bordeaux)
Bogdan Matioc (University of Regensburg)
Emilian Parau (University of East Anglia)
Jens Rademacher (University of Hamburg)
Raphael Stuhlmeier (University of Plymouth)
Samuel Walsh (University of Missouri)

All interested participants are very welcome to attend (online participatio=
n is also possible). Please register by emailing d.henry ucc.ie. For further information, see the workshop webpage:

https://www.ucc.ie/en/matsci/events/workshoponnonlineardispersivewaves

Best regards,

David Henry


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Dear colleagues,=

 
This is a reminder of the research=
 workshop on =93Nonlinear Dispersive Waves=94 which will take place in Univ=
ersity College Cork on April 24-25, 2023.

 
Invited speakers:
Didier Clamond (Universit=E9 C=F4t=
e d=92Azur)
Adrian Constantin (University of V=
ienna)
Olivia Constantin (University of V=
ienna)
Joachim Escher (Leibniz University=
 Hannover)
Delia Ionescu-Kruse (IMAR)
Rossen Ivanov (TU Dublin)
David Lannes (University of Bordea=
ux)
Bogdan Matioc (University of Regen=
sburg)
Emilian Parau (University of East =
Anglia)
Jens Rademacher (University of Ham=
burg)
Raphael Stuhlmeier (University of =
Plymouth)
Samuel Walsh (University of Missou=
ri)
 
All interested participants are ve=
ry welcome to attend (online participation is also possible). Please regist=
er by emailing
d.henry ucc.ie. For further
 information, see the workshop webpage:
 
https://www.ucc.ie/en/mats=
ci/events/workshoponnonlineardispersivewaves
 
Best regards,
 
David Henry
 





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Subject: Maths: Seminar Uni Galway, Dr. Abolfazl Mohajer - Smoothness of Hodge Loci and Applications
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The smoothness of Hodge Loci and Applications
Dr. Abolfazl Mohajer (University of Galway)
Thu April 6, 15:00-16:00
Lecture held in ADB1020

Abstract: In this talk I will discuss a recent conjecture (by Movasati) we
are working on about the Hodge loci in the moduli of smooth complex
hypersurfaces. Consider the moduli of such hypersurfaces in $\P^n$ which
can be seen as the space of homogeneous polynomials of degree $d$ and
coefficients in $\C$ of variables $(x_0,...,x_{n+1})$. We consider a
subvariety of this moduli space parametrizing hypersurfaces containing two
projective spaces as cycles both of dimensions $n/2$. We consider the
algebraic Hodge cycle resulting from this cycle and consider its
deformation in the moduli space. In this way we define a Hodge locus and
one conjectures that this Hodge locus is smooth and also that it is of
codimension 1 in the intersection of the Hodge loci of the original cycles.
I discuss how this may contribute to Hodge conjecture and also why it in
its own right is an interesting problem. I will also discuss the progress
that is being made in the problem.

--0000000000005496b005f89629f9
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The smoothness of Hodge Loci and Applications
Dr. =
Abolfazl Mohajer (University of Galway)
Thu April 6, 15:00-16:00=
=C2=A0
Lecture held in ADB1020

Abstr=
act: In this talk I will discuss a recent conjecture (by Movasati) we are w=
orking on about the Hodge loci in the moduli of smooth complex hypersurface=
s. Consider the moduli of such hypersurfaces in $\P^n$ which can be seen as=
 the space of homogeneous polynomials of degree $d$ and coefficients in $\C=
$ of variables $(x_0,...,x_{n+1})$. We consider a subvariety of this moduli=
 space parametrizing hypersurfaces containing two projective spaces as cycl=
es both of dimensions $n/2$. We consider the algebraic Hodge cycle resultin=
g from this cycle and consider its deformation in the moduli space. In this=
 way we define a Hodge locus and one conjectures that this Hodge locus is s=
mooth and also that it is of codimension 1 in the intersection of the Hodge=
 loci of the original cycles. I discuss how this may contribute to Hodge co=
njecture and also why it in its own right is an interesting problem. I will=
 also discuss the progress that is being made in the problem.

--0000000000005496b005f89629f9--

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Date:         Wed, 5 Apr 2023 15:13:31 +0100
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_?=6 April
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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 6 =
April, 4pm in the HMI Seminar room. Our speaker is Rhiannon Savage =
(Oxford), who will speak about:

title: Derived Geometry Relative to Monoidal Quasi-abelian Categories =20=

abstract: In the theory of relative algebraic geometry, we work relative =
to a symmetric monoidal category C. The affines are now objects in the =
opposite category of commutative algebra objects in C. The derived =
setting is obtained by working with a symmetric monoidal model or =
=E2=88=9E-category C, with derived algebraic geometry corresponding to =
the case when we take C to be the category of simplicial modules over a =
simplicial commutative ring k. Kremnizer et al. propose that derived =
analytic geometry can be recovered when we replace k with a simplicial =
commutative complete bornological ring. We work more generally with =
simplicial commutative algebra objects in certain quasi-abelian =
categories. In this talk, I will introduce these ideas and briefly =
discuss how we can obtain interesting results, such as a =
representability theorem for derived stacks.=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:: Rhiannon will speak on
:: Derived Geometry Relative to Monoidal Quasi-abelian Categories=20
:: https://www.maths.tcd.ie/~dmc/ 
date-time:: Thursday, April 6th at 4:00pm
location:: HMI Seminar Room, Hamilton Building, TCD=

--Apple-Mail=_331340EB-91C9-4F55-AF94-E6E880A6B886
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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 6 =
April, 4pm in the HMI Seminar =
room. Our speaker =
is Rhiannon Savage (Oxford), who will speak =
about:

title: Derived Geometry Relative to =
Monoidal Quasi-abelian Categories  
abstract: In the theory of =
relative algebraic geometry, we work relative to a symmetric monoidal =
category C. The affines are now objects in the opposite category of =
commutative algebra objects in C. The derived setting is obtained by =
working with a symmetric monoidal model or =E2=88=9E-category C, with =
derived algebraic geometry corresponding to the case when we take C to =
be the category of simplicial modules over a simplicial commutative ring =
k. Kremnizer et al. propose that derived analytic geometry can be =
recovered when we replace k with a simplicial commutative complete =
bornological ring. We work more generally with simplicial commutative =
algebra objects in certain quasi-abelian categories. In this talk, I =
will introduce these ideas and briefly discuss how we can obtain =
interesting results, such as a representability theorem for derived =
stacks. 

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:: =
Rhiannon will speak =
on
:: Derived Geometry Relative to Monoidal Quasi-abelian =
Categories 
:: https://www.maths.tcd.ie/~dmc/
date-time:: Thursday, April 6th at 4:00pm
location:: HMI Seminar Room, Hamilton =
Building, =
TCD=

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From owner-mathdep LISTSERV.HEANET.IE  Wed Apr  5 17:19:23 2023
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Date:         Wed, 5 Apr 2023 17:18:03 +0100
Reply-To:     Matthew Walters 
Sender:       UCD Maths Department Distribution List 
From:         Matthew Walters 
Subject: Re: maths: Dublin Theoretical Physics Colloquium - TODAY
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Hi everyone,

If you're interested in joining for dinner with the speaker, we'll be
meeting in the atrium of the Hamilton building at 6:15pm. See you then!

Best,
Matt

On Wed, Apr 5, 2023 at 8:00=E2=80=AFAM Fabrizio Nieri <
00000c1167f90217-dmarc-request listserv.heanet.ie> wrote:

> *Trinity College Dublin =E2=80=94 Dublin Theoretical Physics Colloquium*
>
>
> *Date & Time:* Wednesday, 5th April 2023 at 4:00pm
>
> *Venue:* *Salmon Lecture Theatre, Hamilton building, Trinity College
> Dublin*
>
> *Speaker: Alba Grassi* (Geneve U.)
>
> *Title: *Seiberg-Witten theory and black holes
>
> *Abstract: *In recent decades, the field of physical mathematics has
> undergone remarkable developments, yielding to numerous powerful results.
> Among them is the discovery of connections between quantum spectral
> problems on the one hand, and supersymmetric gauge theory or topological
> string theory on the other. In this talk I will review some aspects of th=
is
> correspondence and present an intriguing new connection between such
> framework and black holes.
>
>
> All are welcome!
>
> https://sites.google.com/view/trinity-theory-colloquia-22-23/home
>
>
>
> title:: Dublin Theoretical Physics Colloquium
> content:: Alba Grassi (Geneva U.) will speak on
> :: Seiberg-Witten theory and black holes
> date-time:: Wednesday the 5th of April 2023 at 4:00pm
> location:: Salmon Lecture Theatre, School of Mathematics, Trinity College
> Dublin
> endevent::
>
>
> -------------------------
> Patrick Fritzsch & Fabrizio Nieri
> School of Mathematics
> Trinity College Dublin
> Dublin 2
> Ireland
> email: fritzscp tcd.ie , nierif tcd.ie
> -------------------------
>

--00000000000011166605f89925db
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Hi everyone,
If you're interested=
=C2=A0in joining for dinner with the speaker, we'll be meeting in the a=
trium of the Hamilton building at 6:15pm. See you then!

Best,
Matt

On Wed, Apr 5, 2023 at 8:00=E2=80=AFAM Fabr=
izio Nieri <00000c1167f90217-dmarc-request listserv.heanet.ie> wrote:






Trinity College Dublin =E2=80=94=C2=
=A0Dublin Theoretical Physics Colloquium
































Date & Time:=C2=A0Wednesday, 5th April 2023 at 4:00pm



Venue:=C2=A0Salmon Lecture Theatre, Hamilton building, Trinity=
 College Dublin






Speaker: Alba Grassi=C2=A0=
(Geneve
 U.)




Title:=C2=A0=
Seiberg-Witten theory and black holes




Abstract:=C2=A0In recent decades, the field of physical mathematics has undergone rema=
rkable developments,
 yielding to numerous powerful results. Among them is the discovery of conn=
ections between quantum spectral problems on the one hand, and supersymmetr=
ic gauge theory or topological string theory on the other. In this talk I w=
ill review some aspects of this
 correspondence and present an intriguing new connection between such frame=
work and black holes.







All are welcome!





https://sites.google.com/view/=
trinity-theory-colloquia-22-23/home









title:: Dublin Theoretical Physics Colloquium

content::=C2=A0Alba Grassi=C2=A0(Geneva U.)=C2=A0will
 speak on


::=C2=
=A0Seiberg-Witten theory and black=
 holes

date-time:: Wednesday the 5th of April 2023 at 4:00pm
location:: Salmon Lecture Theatre, School of Mathematics, Trinity College D=
ublin

endevent::





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

Patrick Fritzsch & Fabrizio Nieri=C2=A0


School of Mathematics

Trinity College Dublin

Dublin 2

Ireland

email:=C2=A0fritzscp t=
cd.ie,=C2=A0nierif t=
cd.ie


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
































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UCD School of Mathematics and Statistics - Seminar Notice=0D
=0D
 =0D
	Speaker: Filip Talimdjioski =0D
 =0D
	Title: Lipschitz-free spaces over Cantor sets and approximation properties=
=0D
=0D
 =0D
	Date: Tue 11th April 2023=0D
 =0D
	Time: 3:00PM=0D
 =0D
	Location: Seminar Room SCN 1.25=0D
=0D
Abstract: Let $K=3D2^\mathbb{N}$ be the Cantor set, let $\mathcal{M}$ be th=
e set of all metrics $d$ on $K$ that give its usual (product) topology, and=
 equip $\mathcal{M}$ with the topology of uniform convergence, where the me=
trics are regarded as functions on $K^2$. In this talk we show that the set=
 of metrics $d\in\mathcal{M}$ for which the Lipschitz-free space $\mathcal{=
F}(K,d)$ has the metric approximation property is a residual $F_{\sigma\del=
ta}$ set in $\mathcal{M}$, and that the set of metrics $d\in\mathcal{M}$ fo=
r which $\mathcal{F}(K,d)$ fails the approximation property is a dense meag=
er set in $\mathcal{M}$. Time allowing, we will also use the notion of Haus=
dorff dimension to show the existence of a family $(d_\alpha)\subseteq\math=
cal{M}$ of size continuum, such that $\mathcal{F}(K,d_\alpha)$ and $\mathca=
l{F}(K,d_\beta)$ are not isomorphic as algebras for $\alpha\not=3D \beta$. =
=0D
=0D
=0D
https://ucd-ie.zoom.us/j/65456653274=0D
=0D
https://ucd-ie.zoom.us/j/65456653274=0D
=0D
Further information: Invite Link Invite Link https://ucd-ie.zoom.us/j/65456=
653274 https://ucd-ie.zoom =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:: Lipschitz-free spaces over Cantor sets and approximation properties=
=0D
content:: Filip Talimdjioski  =0D
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis) =0D
location:: Seminar Room SCN 1.25=0D
date-time:: Tue 11th April 2023 at 3:00PM=20=


----+--1680781897--+--
Content-Type: text/html; charset="utf-8"
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UCD School of Mathematics and Statistics - Seminar Notice





 


	Speaker:  Filip Talimdjioski 


 


	Title: Lipschitz-free spaces over Cantor sets and approximation properties





 


	Date: Tue 11th April 2023


 


	Time: 3:00PM


 


	Location: Seminar Room SCN 1.25





Abstract: Let $K=2^\mathbb{N}$ be the Cantor set, let $\mathcal{M}$ be the set of all metrics $d$ on $K$ that give its usual (product) topology, and equip $\mathcal{M}$ with the topology of uniform convergence, where the metrics are regarded as functions on $K^2$. In this talk we show that the set of metrics $d\in\mathcal{M}$ for which the Lipschitz-free space $\mathcal{F}(K,d)$ has the metric approximation property is a residual $F_{\sigma\delta}$ set in $\mathcal{M}$, and that the set of metrics $d\in\mathcal{M}$ for which $\mathcal{F}(K,d)$ fails the approximation property is a dense meager set in $\mathcal{M}$. Time allowing, we will also use the notion of Hausdorff dimension to show the existence of a family $(d_\alpha)\subseteq\mathcal{M}$ of size continuum, such that $\mathcal{F}(K,d_\alpha)$ and $\mathcal{F}(K,d_\beta)$ are not isomorphic as algebras for $\alpha\not= \beta$. 








https://ucd-ie.zoom.us/j/65456653274





https://ucd-ie.zoom.us/j/65456653274





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:: Lipschitz-free spaces over Cantor sets and approximation properties


content:: Filip Talimdjioski  


:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis) 


location:: Seminar Room SCN 1.25


date-time:: Tue 11th April 2023 at 3:00PM 
----+--1680781897--+----

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From owner-mathdep LISTSERV.HEANET.IE  Sat Apr  8 11:13:45 2023
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UCD Algebra and Number Theory Seminar

Speaker: Gary McGuire (UCD)

Title: Some open questions about curves over finite fields

Abstract:  We will explain some open questions about curves over finite =
fields, and their jacobians, and abelian varieties. We won't assume any =
background, and we will introduce these concepts. Finally we will =
outline the context of Tate's theorem about isogenous abelian varieties =
over finite fields, and Tate's conjecture.

Date: Thursday, April 13, 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:: Gary McGuire (UCD) will speak on
:: Some open questions about curves over finite fields
date-time:: Thursday, April 13, 2023 at 2:00pm
location:: Seminar Room, SCN, Room 1.25
endevent::=

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UCD Algebra =
and Number Theory Seminar

Speaker: Gary McGuire =
(UCD)

Title: Some open questions about curves over finite =
fields

Abstract:  We will explain some open questions about =
curves over finite fields, and their jacobians, and abelian varieties. =
We won't assume any background, and we will introduce these concepts. =
Finally we will outline the context of Tate's theorem about isogenous =
abelian varieties over finite fields, and Tate's conjecture.

Date: Thursday, April 13, 2023 
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:: Gary McGuire (UCD) will speak on
:: Some open questions about curves over finite =
fields
date-time:: Thursday, April 13, 2023 at 2:00pm
location:: =
Seminar Room, SCN, Room 1.25
endevent::=

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Date:         Tue, 11 Apr 2023 10:09:21 +0100
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Subject: maths: DCU CfAR Seminar, Wed April 12th 1pm
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Dear all,

Details of this week's DCU CfAR seminar are as follows:

*Date & Location:*     *Wed April 12th**   1pm, Rm X131 (Lonsdale Building)=
*
*Speaker: *   *Prof. Elizabeth Winstanley* *(University of Sheffield)*
*Title:*    *Superradiance and quantum states on black hole space-times*
*Abstract:* We consider the definition of the Boulware and Hartle-Hawking
states for quantum fields on black hole space-times. The properties of
these states on a Schwarzschild black hole have been understood for many
years, but neither of these states has a direct analogue on a Kerr black
hole. We show how superradiant modes play an important role in the
definition of quantum states on Kerr. Superradiance is also possible on
static black hole space-times, in particular for a charged scalar field on
a Reissner-Nordstrom black hole. We explore whether analogues of the
Boulware and Hartle-Hawking states exist in this situation.

Tea/coffee/biscuits served in X131 at 12:45pm.
All welcome.

All the best,
Peter.

--=20
*Dr. Peter Taylor*
Ollamh C=C3=BAnta | Scoil na nEola=C3=ADochta=C3=AD Matamaitice | CfAR | Ol=
lscoil Chathair
Bhaile =C3=81tha Cliath
Assistant Professor | School of Mathematical Sciences | CfAR | Dublin City
University
https://www.dcu.ie/maths/people/peter-taylor
http://www.cfar.ie/people.html
http://www.taylorexpansion.net/index.html

--=20
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--0000000000007c9c5305f90bd93c
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dear all,

Details of this week's DCU CfAR sem=
inar are as follows:

Date & Location:=
=C2=A0 =C2=A0 =C2=A0Wed April 12th=C2=A0  1pm, Rm X131 (Lonsdale Buil=
ding)
Speaker:=C2=A0=C2=A0 =C2=A0Prof. Elizabeth Winstanley=C2=A0(University of Sheffield)
Title:=
=C2=A0 =C2=A0=C2=A0Superradiance and quantum sta=
tes on black hole space-times
Abstract:=C2=A0We consider =
the definition of the Boulware and Hartle-Hawking states for quantum fields=
 on black hole space-times. The properties of these states on a Schwarzschi=
ld black hole have been understood for many years, but neither of these sta=
tes has a direct analogue on a Kerr black hole. We show how superr=
adiant modes play an important role in the definition of quantum states on =
Kerr. Superradiance is also possible on static black hole space-times, in p=
articular for a charged scalar field on a Reissner-Nordstrom black=
 hole. We explore whether analogues of the Boulware and Hartle-Hawking stat=
es exist in this situation.

Tea/coffee/biscuits served in X131 at 12:45pm.
All welcome.=C2=A0

All the best,
Peter.

-- 
Dr. Peter Taylor<=
/div>Ollamh C=C3=BAnta | Scoil na nEola=C3=ADo=
chta=C3=AD Matamaitice | CfAR | Ollscoil Chathair Bhaile =C3=81tha Cliath
Assistant Professor | School of Mat=
hematical Sciences | CfAR | Dublin City University
https://www.dcu.ie/maths/people/peter-taylorhttp:/=
/www.cfar.ie/people.html
http://www.taylorexpansion.net/inde=
x.html






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<=
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--0000000000007c9c5305f90bd93c--

From owner-mathdep LISTSERV.HEANET.IE  Tue Apr 11 20:34:37 2023
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Date:         Tue, 11 Apr 2023 20:33:17 +0100
Reply-To:     George Rogers 
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From:         George Rogers 
Subject: Maths: STP, DIAS Special Public Lecture - Tadashi Tokieda - 26 April, 11am
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As part of the IAS-DIAS organised conference, The Amplituhedron at 10: 
Hidden Mathematical Structures of the Amplituhedron, Prof. Tadashi 
Tokieda (Stanford University) will give a public lecture at STP, DIAS 
Burlington Road on Wednesday 26 April.

This is a free ticketed event.

Speaker: Tadashi Tokieda (Stanford University)

Title: A World From A Sheet of Paper

Abstract: Starting from just a sheet of paper, by folding, stacking, 
crumpling, sometimes tearing, we shall explore a diversity of phenomena, 
from magic tricks and geometry through elasticity and the traditional 
Japanese art of origami to medical devices and an ‘h-principle’. Much of 
the show consists of table-top demonstrations, which you can try later 
with friends and family.

So, take a sheet of paper. . .

Time: Wednesday 26 April, 11am

Place: STP, DIAS, 10 Burlington Road, Dublin 4

Tickets: 
https://www.eventbrite.ie/e/a-world-from-a-sheet-of-paper-tickets-616017293307

-- 
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  Tue Apr 11 20:34:50 2023
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Date:         Tue, 11 Apr 2023 20:33:10 +0100
Reply-To:     George Rogers 
Sender:       UCD Maths Department Distribution List 
From:         George Rogers 
Subject: Maths: STP, DIAS Honourary Public Lecture - Nima Arkani-Hamed - 24 April, 6pm
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As part of the IAS-DIAS organised conference, The Amplituhedron at 10: 
Hidden Mathematical Structures of the Amplituhedron, Prof. Nima 
Arkani-Hamed (IAS, Princeton) will give a public lecture at the Royal 
Irish Academy on the evening of Monday 24 April.

This is a free ticketed event.

Speaker: Nima Arkani-Hamed (IAS, Princeton)

Title: Why is the Universe Big?

Abstract: Perhaps the most obvious fact about our universe is that it is 
enormously big, populated with huge objects -- stars, planets and people 
-- that are also all much bigger than the miniscule size of molecules, 
atoms and elementary particles that make up all matter. Why is this? In 
this talk, we will see that in trying to answer this simplest of 
questions -- "why is the universe big?", we are forced to confront some 
of the deepest mysteries confronting fundamental physics today, 
challenging the foundations of our understanding of spacetime, quantum 
mechanics and the vacuum.

Time: Monday 24 April, 6pm

Place: Royal Irish Academy, Dawson St, Dublin 2

Tickets: 
https://www.eventbrite.ie/e/why-is-the-universe-big-tickets-607535203147



-- 
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  Wed Apr 12 08:10:25 2023
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Date:         Wed, 12 Apr 2023 08:07:57 +0100
Reply-To:     Paul Grimes 
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From:         Paul Grimes 
Subject: Maths: MEI 9 Call for Papers Deadline: April 24th, 2023
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--000000000000acd8cd05f91e46ed
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Dear colleagues

Please see information below regarding the 9th Conference on Research in
Mathematics Education in Ireland (MEI9).

All the best,
Paul

*MEI 9: Call for Papers*

9th Conference on Research in Mathematics Education in Ireland
Date: 13 - 14 October 2023
Location: Dublin City University

The Organising Committee is pleased to announce the Call for Papers for the
9th biennial Conference on Research in Mathematics Education in Ireland
(MEI 9): Conceptualising Success in Mathematics Education. The conference
will take place on Friday, October 13th and Saturday, October 14th, 2023,
at Dublin City University.

*Scope*
MEI 9 serves to promote and facilitate discussion on mathematics teaching
and learning from early childhood education to third level education. The
Organising Committee welcomes all contributions in the endeavour of
creating a productive forum for the dissemination of national and
international research on mathematics education.

*Important Dates*
Submission deadline: 24 April 2023
Acceptance notification: 19 June 2023
Camera ready due: 17 July 2023
Conference: 13 - 14 October  2023

*Submission Guidelines*
MEI 9 welcomes the submission of papers which are empirical or theoretical
in nature. Submissions are welcome in the categories of Research Paper,
Research Poster and Research Symposia. All submissions must be prepared
using the MEI9 Style Template, which can be downloaded from the conference
website.

For more information on the criteria for the paper submissions for each
category, please refer to the Call for Papers which is available on the
conference website. All submissions for the conference will be handled by
the ConfTool registration and submission portal:
https://www.conftool.com/mei9-2023/.

*Publications*
All accepted papers will appear in the conference proceedings.

*Keynote Speakers*

*Professor Susanne Prediger *
Susanne Prediger is a full professor in Mathematics Education at TU
Dortmund University, director of the DZLM research network (the German
National Centre for Mathematics Teacher Education) at the IPN Leibniz
Institute for Science and Mathematics Education and Editor-in-Chief for the
international journal, Educational Studies in Mathematics.

*Dr Niamh O' Meara*
Niamh O' Meara is a lecturer in Mathematics Education at the University of
Limerick, deputy director of EPISTEM, the National Centre for STEM
Education in Ireland, and project lead for Career Mathways, an online suite
of teaching and learning resources promoting careers in STEM.

*Circulation of the Call for Papers*
The organising committee would greatly appreciate assistance with the
circulation of the Call for Papers. If possible, please forward the Call
for Papers to colleagues who may be interested in presenting at/attending
the conference.


*Further Information on MEI 9*For further information on MEI 9, please
visit: www.meiconference.ie
The MEI 9 Organising Committee looks forward to welcoming you all to the
conference.

--=20
*Dr Paul Grimes*
Assistant Professor in Mathematics Education
School of STEM Education, Innovation & Global Studies
DCU Institute of Education | C411 | Dublin City University
E: paul.grimes dcu.ie | T: + 353 1 7009179 | www.stampedproject.eu

--=20
*

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*This e-mail and any=20
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=20
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--=20

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=C2=A0

--000000000000acd8cd05f91e46ed
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dear colleagues

Please see i=
nformation=C2=A0below regarding the 9th Conference on Research in Mathemati=
cs Education in Ireland (MEI9).

All the best,Paul

MEI 9: Call for Papers

9t=
h Conference on Research in Mathematics Education in IrelandDate: 13 -=
 14 October 2023
Location: Dublin City University

The Organising Committee is pleased to announce the Call for Papers for =
the 9th biennial Conference on Research in Mathematics Education in Ireland=
 (MEI 9): Conceptualising Success in Mathematics Education. The conference =
will take place on Friday, October 13th and Saturday, October 14th, 2023, a=
t Dublin City University. 
=C2=A0
Scope
MEI 9 serves to pro=
mote and facilitate discussion on mathematics teaching and learning from ea=
rly childhood education to third level education. The Organising Committee =
welcomes all contributions in the endeavour of creating a productive forum =
for the dissemination of national and international research on mathematics=
 education. 
=C2=A0
Important Dates
Submission deadline: 24=
 April 2023
Acceptance notification: 19 June 2023
Camera ready due: 1=
7 July 2023
Conference: 13 - 14 October =C2=A02023
=C2=A0
Submi=
ssion Guidelines
MEI 9 welcomes the submission of papers which are e=
mpirical or theoretical in nature. Submissions are welcome in the categorie=
s of Research Paper, Research Poster and Research Symposia. All submissions=
 must be prepared using the MEI9 Style Template, which can be downloaded fr=
om the conference website.

For more information on the criteria for =
the paper submissions for each category, please refer to the Call for Paper=
s which is available on the conference website. All submissions for the con=
ference will be handled by the ConfTool registration and submission portal:=
 https://www.conftool.com/m=
ei9-2023/.
=C2=A0
Publications
All accepted papers will=
 appear in the conference proceedings.

Keynote Speakers
Professor Susanne Prediger 
Susanne Prediger is a full professo=
r in Mathematics Education at TU Dortmund University, director of the DZLM =
research network (the German National Centre for Mathematics Teacher Educat=
ion) at the IPN Leibniz Institute for Science and Mathematics Education and=
 Editor-in-Chief for the international journal, Educational Studies in Math=
ematics. 

Dr Niamh O' Meara
Niamh O' Meara is a le=
cturer in Mathematics Education at the University of Limerick, deputy direc=
tor of EPISTEM, the National Centre for STEM Education in Ireland, and proj=
ect lead for Career Mathways, an online suite of teaching and learning reso=
urces promoting careers in STEM.

Circulation of the Call for Pape=
rs
The organising committee would greatly appreciate assistance with=
 the circulation of the Call for Papers. If possible, please forward the Ca=
ll for Papers to colleagues who may be interested in presenting at/attendin=
g the conference. 

Further Information on MEI 9
For furthe=
r information on MEI 9, please visit: www.meiconference.ie=C2=A0
The MEI 9 Organising Committee looks f=
orward to welcoming you all to the conference.

-- 
Dr Paul Grimes
Assistant Professor in Mathematics Education=C2=A0
School of STEM=
 Education, Innovation & Global Studies
DCU Instit=
ute of Education | C411 | Dublin City University=C2=A0
E:=C2=A0paul.grimes dcu.ie=C2=A0| T: + 3=
53 1 7009179 | w=
ww.stampedproject.eu



=




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/span>


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Subject: maths: Dublin Theoretical Physics Colloquium - TODAY
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From:         Seminars Maths NUIG 
Subject: Maths: Seminar Uni Galway, Dr. Peter Smith - Mobility Models for Unmanned Aerial Vehicles (UAVs or drones)
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Mobility Models for Unmanned Aerial Vehicles (UAVs or drones)
Peter Smith (Victoria University of Wellington, New Zealand)
Thu April 13, 15:00-16:00
Lecture held in ADB1020

Abstract: We develop a family of tractable models for UAV mobility. Based
on a system of coupled stochastic differential equations, the resulting
models exhibit realistic trajectories and flexible covariance structures,
making them suitable for both small scale and large scale applications.
Closed form solutions for steady state and transient position
distributions, as well as position covariance, are derived. These results
are subsequently used to obtain distance outage probabilities and pathloss.
The analytical results allow us to assess the impact of a variety of system
parameters related to device control, navigation and position measurement
errors. Finally, using measured UAV flight data, we show an excellent
goodness of fit between the proposed model and the data. I will also give a
brief overview of current work at VUW on reconfigurable intelligent
surfaces and the fusion of radar sensing and communications.
ReplyForward

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Mobility Models for Unmanned Aerial Vehicles (UAVs or drones)
Peter S=
mith (Victoria University of Wellington, New Zealand)
Thu April 13,=
 15:00-16:00=C2=A0
Lecture held in ADB1020

Abstract: We develop a family of tractable models for UAV mobility. =
Based on a system of coupled stochastic differential equations, the resulti=
ng models exhibit realistic trajectories and flexible covariance structures=
, making them suitable for both small scale and large scale applications. C=
losed form solutions for steady state and transient position distributions,=
 as well as position covariance, are derived. These results are subsequentl=
y used to obtain distance outage probabilities and pathloss. The analytical=
 results allow us to assess the impact of a variety of system parameters re=
lated to device control, navigation and position measurement errors. Finall=
y, using measured UAV flight data, we show an excellent goodness of fit bet=
ween the proposed model and the data. I will also give a brief overview of =
current work at VUW on reconfigurable intelligent surfaces and the fusion o=
f radar sensing and communications.
<=
/div>
ReplyForward

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Date:         Wed, 12 Apr 2023 10:38:50 +0000
Reply-To:     "Romina.Gaburro" 
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From:         "Romina.Gaburro" 
Subject: Maths: MACSI seminar, Friday, April 14th at 12.00
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Dear All,

The next MACSI seminar of the Spring semester at the Department of Mathemat=
ics and Statistics, University of Limerick will be given by Dr. Rafael Mora=
l (Maynooth University) on Friday, April 14 at 12.00 noon. Details of the s=
eminar 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/86009179698?pwd=3DRTZidlJGNEZtMjFGcjFsengwQ01Cdz0=
9
Meeting ID: 860 0917 9698
Passcode: 478472

Date: Friday, April 14, 2023 at 12.00.

Speaker: Dr. Rafael Moral (Department of Mathematics and Statistics, Hamilt=
on Institute, Maynooth University).

Title: Estimating Animal Abundance in Three Difficulty Levels.

Abstract: Ecological data on animal abundance is vital when developing cons=
ervation and management programmes. Monitoring animal populations, however,=
 is a very challenging task. Depending on the species of interest, it could=
 demand too much time and resource that may not be available. In this talk =
I present three scenarios where data scarcity may arise, and how to estimat=
e population abundance based on different assumptions. The first scenario i=
s within a capture-mark-recapture framework, the second within counting unm=
arked animals, and the third is related to observing animal traces or vesti=
ges.

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 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

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Dear All,

The next MACSI seminar of the =
Spring semester at the Department of Mathematics and Statistics, University=
 of Limerick will be given by Dr. Rafael Moral (Maynooth University) on Fri=
day, April 14 at 12.00 noon. Details
 of the seminar are given below.

The seminar will be held in pe=
rson in the Mathematics and Statistics seminar room A2002, main building an=
d via Zoom at:

Join Zoom Meeting

https://us06web.zoom.us/j/86009=
179698?pwd=3DRTZidlJGNEZtMjFGcjFsengwQ01Cdz09

Meeting ID: 860 0917 9698

Passcode: 478472

Date: Friday, April 14=
, 2023 at 
12.00.

Speaker: Dr. Rafael Moral (Department of Mathe=
matics and Statistics, Hamilton Institute, Maynooth University).=


Title: Estimating Animal Abundance in Three Di=
fficulty Levels.

Abstract: Ecological data on animal abundance =
is vital when developing conservation and management programmes. Monitoring=
 animal populations, however, is a very
 challenging task. Depending on the species of interest, it could demand to=
o much time and resource that may not be available. In this talk I present =
three scenarios where data scarcity may arise, and how to estimate populati=
on abundance based on different
 assumptions. The first scenario is within a capture-mark-recapture framewo=
rk, the second within counting unmarked animals, and the third is related t=
o observing animal traces or vestiges.

Further Information: If you ha=
ve any questions regarding this seminar, please direct them to Romina Gabur=
ro (061 213193,
romina.gaburro ul.ie) or Cliffo=
rd Nolan (061 202766,

clifford.nolan ul.ie).





MACSI - the Mathematics Applic=
ations Consortium for Science and Industry (www.macsi.ul.ie), centred at the University of Limerick, is dedica=
ted to the mathematical modelling and
 solution of problems which arise in science, engineering and industry in I=
reland.

Best wishes,=


Romina Gaburro and Cliff Nolan=






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Reply-To:     Christopher Boyd 
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From:         Christopher Boyd 
Subject: maths: Analysis Seminar Tuesday 18th April in UCD
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UCD School of Mathematics and Statistics - Seminar Notice


	Speaker: Nicolae Mihalache-Ciurdea (Universit=C3=A9 Paris-Est Cr=C3=A9teil=
)

	Title: Fast Evaluation of Real and Complex Polynomials


	Date: Tue 18th April 2023

	Time: 3:00PM

	Location: Seminar Room SCN 1.25

Abstract: We propose an algorithm for quick evaluation of polynomials.
It pre-conditions a complex polynomial P of degree d in time O(d log d),
with a low multiplicative constant, independent of the precision.
Subsequent evaluations of P computed with a fixed precision of p
bits are performed in average arithmetic complexity O(\sqrt{d(p+\log d)})
and memory O(dp). The average complexity is computed with respect
to points on the Riemann sphere.
The worst case does not exceed the complexity of Horner's scheme.

The proof is based on an inequality concerning concave maps on the interval=
.

https://ucd-ie.zoom.us/j/65569970448

Further information: Invite https://ucd-ie.zoom.us/j/65569970448
https://ucd-ie.zoom

-------------------------------------------------------------
For other seminars in the Analysis series, see
http://maths.ucd.ie/seminarseries/Analysis

-------------------------------------------------------------
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mathdep google calendar

title:: Fast Evaluation of Real and Complex Polynomials
content:: Nicolae Mihalache-Ciurdea (Universit=C3=A9 Paris-Est Cr=C3=A9teil=
)
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis)
location:: Seminar Room SCN 1.25
date-time:: Tue 18th April 2023 at 3:00PM

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UCD School of Mathematics and Statistics - Seminar No=
tice

=20
	Speaker: Nicolae Mihalache-Ciurdea (Universit=C3=A9 Paris-Est Cr=C3=A9teil=
)
=20
	Title: Fast Evaluation of Real and Complex Polynomials

=20
	Date: Tue 18th April 2023
=20
	Time: 3:00PM
=20
	Location: Seminar Room SCN 1.25

Abstract: We propose an algorithm for quick evaluation of polynomials. 
=
It pre-conditions a complex polynomial P of degree d in time O(d log d), with a low multiplicative constant, independent of the precision. 
Sub=
sequent evaluations of P computed with a fixed precision of p 
bits are =
performed in average arithmetic complexity O(\sqrt{d(p+\log d)}) 
and me=
mory O(dp). The average complexity is computed with respect 
to points o=
n the Riemann sphere.
The worst case does not exceed the complexity of Horner's scheme.

The proof is based on an inequality concerning concave maps on the interval=
.


https://ucd-ie.zoom.us/j/6=
5569970448=20

Further information: Invite https://ucd-ie.zoom.us/j/65569970448 =
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:: Fast Evaluation of Real and Complex Polynomials
content:: Nicolae Mihalache-Ciurdea (Universit=C3=A9 Paris-Est Cr=C3=A9teil=
)=20
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis)=20
location:: Seminar Room SCN 1.25
date-time:: Tue 18th April 2023 at 3:00PM  

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Subject: *DIFFERENT TIME SLOT* TCD Dublin Mathematics Colloquium =?utf-8?Q?=E2=80=93_?=13 April
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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 13 =
April, 5pm in the HMI Seminar room. Our speaker is Francis Brown =
(Oxford), who will speak about:

title: Elementary irrationality proofs and recent developments =20
abstract: I will give an introduction to irrationality proofs for =
classical numbers, including Beukers and Apery=E2=80=99s proofs of the =
irrationality of zeta(2) and zeta(3). If time permits I will discuss =
some geometric interpretations and recent partial progress on zeta(5).=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:: Francis Brown will speak on
:: Elementary irrationality proofs and recent developments.
:: https://www.maths.tcd.ie/~dmc/ 
date-time:: Thursday, April 13th at 5:00pm
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 13 =
April, 5pm in the HMI Seminar =
room. Our speaker =
is Francis Brown (Oxford), who will speak =
about:

title: Elementary irrationality proofs =
and recent developments  
abstract: I will give an =
introduction to irrationality proofs for classical numbers, including =
Beukers and Apery=E2=80=99s proofs of the irrationality of zeta(2) and =
zeta(3). If time permits I will discuss some geometric interpretations =
and recent partial progress on zeta(5). 

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:: =
Francis Brown will speak =
on
:: Elementary irrationality proofs and recent =
developments.
:: https://www.maths.tcd.ie/~dmc/
date-time:: Thursday, April 13th at 5:00pm
location:: HMI Seminar Room, Hamilton =
Building, =
TCD=

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Date:         Wed, 12 Apr 2023 20:02:50 +0000
Reply-To:     Isaac Burke 
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From:         Isaac Burke 
Subject: maths: MU Maths-Stats Colloquium, Monday 17th April
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Dear colleagues,

A specially organised MU Mathematics and Statistics Colloquium will take pl=
ace next Monday 17th April at 4pm in MS2, Logic House, Maynooth University =
with speaker Sherry Zhang of Monash University.

See below for details. All are welcome.

Best wishes,
Isaac

___________________________________________________________________________

Speaker: Sherry Zhang, Monash University

Title: New tools for visualising and explaining multivariate spatio-tempora=
l data

Abstract: The talk will present two pieces of work on developing new tools =
to analyze multivariate spatio-temporal data. I will first discuss a multiv=
ariate method called projection pursuit. Projection pursuit is a dimension =
reduction method that finds interesting low dimension projections of the hi=
gh dimensional data. The algorithm involves an optimization routine that ma=
ximizes a =93score=94 given to each projection over projection directions. =
Usually, projection directions are characterized by matrices and visualizin=
g where the optimizers have searched provides valuable information to under=
stand and diagnose the optimizers when the optimization fails. In this talk=
, I will showcase some diagnostic plots that help to visualise how and wher=
e the optimizers have searched in the parameter space.

The second part of the talk will introduce a new data structure, `cubble`, =
designed to work with spatio-temporal data for exploratory data analysis. C=
urrently, spatial and temporal software have been separately developed in R=
 using different data formats. This causes frictions when attempting to ana=
lyze spatio-temporal data as a whole.  Cubble is designed to make spatial a=
nd temporal information easily accessible for analysts without the need to =
constantly rearrange the data format required by spatial and temporal softw=
are. I will provide an example on how to create a glyph map to explore the =
spatio-temporal pattern of weather station data with `cubble`.

___________________________________________________________________________

title:: MU Maths-Stats Colloquium
content:: Sherry Zhang
:: Monash University
:: presents a talk entitled "New tools for visualising and explaining multi=
variate spatio-temporal data"
date-time:: 17th April 2023 at 4pm
location:: Room MS2, Logic House, Maynooth University
endevent::


--_000_AM6PR02MB41348987A6C20B5AAEED03C2FC9B9AM6PR02MB4134eurp_
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Dear colleagues,



A specially organised MU Mathematics and S=
tatistics Colloquium will take place next
Monday 17th April at 4pm in MS2, Logic House, Maynooth University wi=
th speaker Sherry Zhang of Monash University.




See below for details. All are welcome.



Best wishes,
Isaac



_____________________________________________=
______________________________



Speaker: Sherry Zhang, Monash Universi=
ty



Title: New tools for visualising and e=
xplaining multivariate spatio-temporal data



Abstract: The talk will present two pi=
eces of work on developing new tools to analyze multivariate spatio-tempora=
l data. I will first discuss a multivariate method called projection pursui=
t. Projection pursuit is a dimension
 reduction method that finds interesting low dimension projections of the h=
igh dimensional data. The algorithm involves an optimization routine that m=
aximizes a =93score=94 given to each projection over projection directions.=
 Usually, projection directions are
 characterized by matrices and visualizing where the optimizers have search=
ed provides valuable information to understand and diagnose the optimizers =
when the optimization fails. In this talk, I will showcase some diagnostic =
plots that help to visualise how
 and where the optimizers have searched in the parameter space.



The second part of the talk will introduce a =
new data structure, `cubble`, designed to work with spatio-temporal data fo=
r exploratory data analysis. Currently, spatial and temporal software have =
been separately developed in R using
 different data formats. This causes frictions when attempting to analyze s=
patio-temporal data as a whole.  Cubble is designed to make spatial an=
d temporal information easily accessible for analysts without the need to c=
onstantly rearrange the data format required
 by spatial and temporal software. I will provide an example on how to crea=
te a glyph map to explore the spatio-temporal pattern of weather station da=
ta with `cubble`.



_____________________________________________=
______________________________



title:: MU Maths-Stats Colloquium
content:: Sherry Zhang
:: Monash University
:: presents a talk entitled "New tools f=
or visualising and explaining multivariate spatio-temporal data"
date-time:: 17th April 2023 at 4pm
location:: Room MS2, Logic House, Maynooth Un=
iversity
endevent::






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UCD Algebra and Number Theory Seminar

Speaker: Jehanne Dousse (Geneva)

Title: Characters of level 1 C_n^{(1)}-modules, integer partitions, and =
the Capparelli-Meurman-Primc-Primc conjecture

Abstract:  A partition of a positive integer n is a non-increasing =
sequence of positive integers whose sum is n. Since Lepowsky, Milne, and =
Wilson's seminal work in the 1980's, several connections have been =
established between integer partitions and characters of standard =
modules of affine Lie algebras. Among these, an approach initiated by =
Primc in the 1990=E2=80=99s and developed by the speaker and Konan in =
the past few years consists in studying crystal bases of the modules to =
obtain character formulas which can be expressed in terms of generalised =
partitions.=20

In this talk, we show how our method applies to level 1 standard modules =
of C_n^{(1)} to give several expressions for their characters as =
generating functions for generalised partitions. Doing this, we prove a =
recent conjecture of Capparelli-Meurman-Primc-Primc on characters of =
level k standard modules of C_n^{(1)} in the particular case of level 1.=20=


This is joint work with Isaac Konan.

Date: Thursday, April 20, 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:: Jehanne Dousse (Geneva) will speak on
:: Characters of level 1 C_n^{(1)}-modules, integer partitions, and the =
Capparelli-Meurman-Primc-Primc conjecture
date-time:: Thursday, April 20, 2023 at 2:00pm
location:: Seminar Room, SCN, Room 1.25
endevent::=

--Apple-Mail=_CE176FB0-7D28-4944-8BA9-C9E2C4165D1C
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	charset=utf-8

UCD Algebra =
and Number Theory Seminar

Speaker: Jehanne Dousse =
(Geneva)

Title: Characters of level 1 C_n^{(1)}-modules, integer =
partitions, and the Capparelli-Meurman-Primc-Primc conjecture

Abstract:  A partition of a positive integer n =
is a non-increasing sequence of positive integers whose sum is n. Since =
Lepowsky, Milne, and Wilson's seminal work in the 1980's, several =
connections have been established between integer partitions and =
characters of standard modules of affine Lie algebras. Among these, an =
approach initiated by Primc in the 1990=E2=80=99s and developed by the =
speaker and Konan in the past few years consists in studying crystal =
bases of the modules to obtain character formulas which can be expressed =
in terms of generalised partitions. 
In this talk, we show how our =
method applies to level 1 standard modules of C_n^{(1)} to give several =
expressions for their characters as generating functions for generalised =
partitions. Doing this, we prove a recent conjecture of =
Capparelli-Meurman-Primc-Primc on characters of level k standard modules =
of C_n^{(1)} in the particular case of level =
1. 

This is =
joint work with Isaac Konan.

Date: Thursday, April 20, =
2023 
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:: Jehanne Dousse (Geneva) will speak on
:: Characters of =
level 1 C_n^{(1)}-modules, integer partitions, and the =
Capparelli-Meurman-Primc-Primc conjecture
date-time:: =
Thursday, April 20, 2023 at 2:00pm
location:: Seminar Room, SCN, Room =
1.25
endevent::=

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Subject: maths: MU Maths-Stats Colloquium, Wednesday 19th April
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Dear colleagues,



An MU Mathematics and Stati=
stics Colloquium will take place next
Wednesday 19th April at 3pm in MS2, Logic House, Maynooth University=
. See below for details. All are welcome.



Best wishes,
Isaac



_____________________________________________=
______________________________



Speaker: Dr Demi Allen, University of =
Exeter



Title: Diophantine Approximation for S=
ystems of Linear Forms



Abstract: Diophantine Approximation is=
 a branch of Number Theory in which the central theme is understanding how =
well real numbers can be approximated by rationals. In the most classical s=
etting, a =A6=D7-well-approximable number
 is one which can be approximated by rationals to a given degree of accurac=
y specified by an approximating function =A6=D7. Khintchine's Theorem provi=
des a beautiful characterisation of the Lebesgue measure of the set of =A6=
=D7-well-approximable numbers and is one of
 the cornerstone results of Diophantine Approximation. In this talk I will =
discuss the generalisation of Khintchine's Theorem to the setting of approx=
imation for systems of linear forms. This talk is based on recent joint wor=
k with Felipe Ram=A8=AArez (Wesleyan,
 US).



_____________________________________________=
______________________________



title:: MU Maths-Stats Colloquium
content:: Dr Demi Allen
:: University of Exeter
:: presents a talk entitled "Diophantine=
 Approximation for Systems of Linear Forms"
date-time:: 19th April 2023 at 3pm
location:: Room MS2, Logic House, Maynooth Un=
iversity
endevent::






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Date:         Mon, 17 Apr 2023 07:22:22 +0000
Reply-To:     Isaac Burke 
Sender:       UCD Maths Department Distribution List 
From:         Isaac Burke 
Subject: maths: MU Maths-Stats Colloquium, Monday 17th April [today]
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Dear colleagues,

This is a reminder that:

A specially organised MU Mathematics and Statistics Colloquium will take pl=
ace today Monday 17th April at 4pm in MS2, Logic House, Maynooth University=
 with speaker Sherry Zhang of Monash University.

See below for details. All are welcome.

Best wishes,
Isaac

___________________________________________________________________________

Speaker: Sherry Zhang, Monash University

Title: New tools for visualising and explaining multivariate spatio-tempora=
l data

Abstract: The talk will present two pieces of work on developing new tools =
to analyze multivariate spatio-temporal data. I will first discuss a multiv=
ariate method called projection pursuit. Projection pursuit is a dimension =
reduction method that finds interesting low dimension projections of the hi=
gh dimensional data. The algorithm involves an optimization routine that ma=
ximizes a =93score=94 given to each projection over projection directions. =
Usually, projection directions are characterized by matrices and visualizin=
g where the optimizers have searched provides valuable information to under=
stand and diagnose the optimizers when the optimization fails. In this talk=
, I will showcase some diagnostic plots that help to visualise how and wher=
e the optimizers have searched in the parameter space.

The second part of the talk will introduce a new data structure, `cubble`, =
designed to work with spatio-temporal data for exploratory data analysis. C=
urrently, spatial and temporal software have been separately developed in R=
 using different data formats. This causes frictions when attempting to ana=
lyze spatio-temporal data as a whole.  Cubble is designed to make spatial a=
nd temporal information easily accessible for analysts without the need to =
constantly rearrange the data format required by spatial and temporal softw=
are. I will provide an example on how to create a glyph map to explore the =
spatio-temporal pattern of weather station data with `cubble`.

___________________________________________________________________________


--_000_AM6PR02MB413414F5F77EA14908EFE92CFC9C9AM6PR02MB4134eurp_
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Dear colleagues,





This is a reminder that:




A specially organised MU Ma=
thematics and Statistics Colloquium will take place today Monda=
y 17th April at 4pm in MS2, Logic House, Maynooth University with speak=
er Sherry Zhang of Monash University.




See below for details. All are=
 welcome.



Best wishes,
Isaac



_____________________________________________=
______________________________



Speaker: Sherry Zhang, Monash Universi=
ty



Title: New tools for visualising and e=
xplaining multivariate spatio-temporal data



Abstract: The talk will present two pi=
eces of work on developing new tools to analyze multivariate spatio-tempora=
l data. I will first discuss a multivariate method called projection pursui=
t. Projection pursuit is a dimension
 reduction method that finds interesting low dimension projections of the h=
igh dimensional data. The algorithm involves an optimization routine that m=
aximizes a =93score=94 given to each projection over projection directions.=
 Usually, projection directions are
 characterized by matrices and visualizing where the optimizers have search=
ed provides valuable information to understand and diagnose the optimizers =
when the optimization fails. In this talk, I will showcase some diagnostic =
plots that help to visualise how
 and where the optimizers have searched in the parameter space.



The second part of the talk will introduce a =
new data structure, `cubble`, designed to work with spatio-temporal data fo=
r exploratory data analysis. Currently, spatial and temporal software have =
been separately developed in R using
 different data formats. This causes frictions when attempting to analyze s=
patio-temporal data as a whole.  Cubble is designed to make spatial an=
d temporal information easily accessible for analysts without the need to c=
onstantly rearrange the data format required
 by spatial and temporal software. I will provide an example on how to crea=
te a glyph map to explore the spatio-temporal pattern of weather station da=
ta with `cubble`.



_____________________________________________=
______________________________







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From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 17 15:13:36 2023
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Date:         Mon, 17 Apr 2023 15:12:48 +0100
Reply-To:     Maria G Meehan 
Sender:       UCD Maths Department Distribution List 
From:         Maria G Meehan 
Subject: maths: Maths Ed Seminar Series (Online) - 2pm Friday, 21 April
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Dear Colleagues,

This month's Maths Ed Seminar is at *2pm Friday, 21 April.* The speakers
are Professor Sepideh Stewart, University of Oklahoma and Dr Anthony
Cronin, UCD with a Linear Algebra themed talk.

Link: https://ucd-ie.zoom.us/j/3661211940

*Title:* Teaching and Learning a Second Course in Linear Algebra

*Abstract:* In this talk we discuss issues around the teaching and learning
of a second year specialist course in Linear Algebra. This work is based on
(a) observations outside of the classroom with UCD students and maths
support centre tutors, (b) student-generated feedback and reflection on
proof writing in linear algebra, and (c) interviews with University of
Oklahoma students and UCD students on their learning of linear algebra.


All the best,

Maria
***********************************************************
Assoc. Prof. Maria Meehan
School of Mathematics and Statistics,
University College Dublin,
Belfield,
Dublin 4,
Ireland.
Tel.: + 353 1 716 2581

--000000000000b6e7e105f988c96c
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Dear Colleagues,
This month's Maths=
 Ed Seminar is at 2pm Friday, 21 April. The speakers are Professor S=
epideh Stewart, University=C2=A0of Oklahoma and Dr Anthony Cronin, UCD with=
 a Linear Algebra themed talk.

Link:=C2=A0https://ucd-ie.z=
oom.us/j/3661211940=C2=A0

Title: Teaching=
 and Learning a Second
Course in Linear Algebra


Abstract: In th=
is talk we discuss issues around the teaching and
learning of a second year specialist course in Linear=C2=A0Algebra. This wo=
rk
is based on (a) observations outside of the classroom=C2=A0with UCD student=
s
and maths support centre tutors, (b) student-generated feedback and reflect=
ion
on proof writing in linear algebra, and (c) interviews with University of
Oklahoma students and UCD students on their learning of linear algebra.=C2=
=A0

All the best,
Maria
***********************************************************Assoc. Prof. Maria Meehan
School of Mathematics and Statistics,
University College Dublin,
Belfield,
Dublin 4,
Ireland.
Tel.: + 353 1 716 2581=


--000000000000b6e7e105f988c96c--

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As part of the DIAS Summer Studentship programme, the School of 
Theoretical Physics of the Dublin Institute for Advanced Studies is 
inviting applications for Studentships for Summer 2023. Students will 
receive a total stipend of €3,000 to cover a two- month internship 
starting in early June 2023.

A successful candidate should be completing their 3rd year at an Irish 
higher education institution, be in line for a 1st class honours degree 
and have an interest in a research career in Theoretical Physics or 
Mathematics.

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 Tuesday April 25th. 
Successful candidates will be notified by email.

To apply please use the link below:
https://www.dias.ie/2023/04/04/dias-summer-studentships-school-of-theoretical-physics-2023/

-- 
Mr. George Rogers | Librarian & School Administrator
School of Theoretical Physics
Dublin Institute for Advanced Studies
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Tel: +353-1-6140104
www.dias.ie
#DIASdiscovers

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From:         "Romina.Gaburro" 
Subject: Maths: FW: AMS Elias M. Stein Prize for New Perspectives in Analysis
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Dear All,

Please see below FYI.

Best wishes,
Romina

From: imitrea temple.edu 
Sent: Saturday, April 15, 2023 4:58 AM
To: woan awm-math.org
Cc: Donatella Danielli ; Carolyn S. Gordon 
Subject: AMS Elias M. Stein Prize for New Perspectives in Analysis

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 all,

Please see below information on the nomination opportunity for the inaugura=
l Elias M. Stein Prize for New Perspectives in Analysis:

***************************************************************************=
***********************
 We are seeking nominations for the inaugural Elias M. Stein Prize for New =
Perspectives in Analysis to be awarded by the AMS in January 2024.
This prize is for the development of groundbreaking methods in analysis tha=
t demonstrate promise to revitalize established areas or create new
opportunities for mathematical discovery.    The prize recognizes an outsta=
nding contribution within the past six years.   We are seeking a strong
and diverse pool of nominees.
        We encourage you to consider making a nomination.    Alternatively,=
 if you are aware of a strong potential candidate but are not able to provi=
de
the nomination yourself, we invite you to send your suggestion tocsgordon d=
artmouth.edu, along with -- if possible -- y=
our suggestions of possible
nominators for the candidate.   Nominations are accepted through June 30.  =
For more information as well as the nomination form, please
visit https://community.ams.org/prizes-awards/paview.cgi?parent_id=3D54.
     Also feel free to circulate this request to your colleagues.

Thank you,
Carolyn Gordon
On behalf of the Elias Stein prize committee

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

Best regards,
Irina & Donatella
_________
Irina Mitrea
L.H. Carnell Professor
Department of Mathematics
Temple University



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Dear All,
 
Please see below FYI.
 
Best wishes,
Romina
 


From: imitrea temple.edu <imitrea temple.edu>


Sent: Saturday, April 15, 2023 4:58 AM

To: woan awm-math.org

Cc: Donatella Danielli <DDanielli asu.edu>; Carolyn S. Gordon =
<Carolyn.S.Gordon dartmouth.edu>

Subject: AMS Elias M. Stein Prize for New Perspectives in Analysis


 




EXTERNAL EMAIL:
This email originated f=
rom outside of the University of Limerick. Do not click on links or open at=
tachments unless you recognize the sender's email address and know the cont=
ent is safe.





 




 <=
/o:p>




Dear all, 

 


Please see below in=
formation on the nomination opportunity for the inaugural Elias M. Stein Pr=
ize for New Perspectives in Analysis:


 


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


 We are seeking nominations for the inaugural E=
lias M. Stein Prize for New Perspectives in Analysis to be awarded by the A=
MS in January 2024.   
This prize is for the development of groundbreaking =
methods in analysis that demonstrate promise to revitalize established area=
s or create new 
opportunities for mathematical discovery.  =
;  The prize recognizes an outstanding contribution within the past si=
x years.   We are seeking a strong 
and diverse pool of nominees.    =
; 
        We e=
ncourage you to consider making a nomination.    Alternative=
ly, if you are aware of a strong potential candidate but are not able to pr=
ovide 
the nomination yourself, we invite you to send your =
suggestion tocsgordon dartmouth.edu, along with -- if possible -- y=
our suggestions of possible 
nominators for the candidate.   Nomination=
s are accepted through June 30.  For more information as well as the n=
omination form, please 
visit https://=
community.ams.org/prizes-awards/paview.cgi?parent_id=3D54. =
            &nb=
sp;  
     Also feel free to circ=
ulate this request to your colleagues.
 
Thank you,
Carolyn Gordon
On behalf of the Elias Stein prize committee
 
****************************************************=
****************************
 
Best regards,
Irina & Donatella



_________


Irina Mitrea<=
/span>


L.H. Carnell Professor&n=
bsp;


Department of Mathematic=
s 


Temple University


 =



 

 

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Subject: maths: MU Maths-Stats Colloquium, Wednesday 19th April [tomorrow]
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Dear colleagues,





This is a reminder that:




An MU Mathematics and Statistics Coll=
oquium will take place on Wednesday 19th April at 3pm in MS=
2, Logic House, Maynooth University. See below for details. All are welcome=
.



Best wishes,
Isaac



_____________________________________________=
______________________________



Speaker: Dr Demi Allen, University of =
Exeter



Title: Diophantine Approximation for S=
ystems of Linear Forms



Abstract: Diophantine Approximation is=
 a branch of Number Theory in which the central theme is understanding how =
well real numbers can be approximated by rationals. In the most classical s=
etting, a =A6=D7-well-approximable number
 is one which can be approximated by rationals to a given degree of accurac=
y specified by an approximating function =A6=D7. Khintchine's Theorem provi=
des a beautiful characterisation of the Lebesgue measure of the set of =A6=
=D7-well-approximable numbers and is one of
 the cornerstone results of Diophantine Approximation. In this talk I will =
discuss the generalisation of Khintchine's Theorem to the setting of approx=
imation for systems of linear forms. This talk is based on recent joint wor=
k with Felipe Ram=A8=AArez (Wesleyan,
 US).



_____________________________________________=
______________________________







--_000_AM6PR02MB413481A6D34024604D3DA5AFFC9D9AM6PR02MB4134eurp_--

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Subject: Maths: Maynooth Dept of Theoretical Physics Seminar: Friday 21st April   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: Emil Johansson Bergholtz, Professor, Stockholm University
Time: Friday, April 21, 2023 - 15:00 to 16:00
Place: CB1, Callan Building, North Campus
Title: Non-Hermitian Topological Physics

Abstract:
Hermiticity is a fundamental aspect of isolated quantum systems.
Nevertheless, non-Hermitian effects are ubiquitous in both classical and
quantum systems. In the classical realm this is manifested e.g. as friction
in mechanical systems, resistivity in electrical circuits, and losses in
optics. In the quantum realm it reflects the dynamics of open systems, as
well as decay, scattering, resonances and broadening due to e.g.
interactions and disorder.

During the past few decades notions of topology have revolutionised the
understanding of matter as recognised by several Nobel prizes. This
understanding is however based on the topology and stability of Hermitian
matrices. In contrast, in the past few years, intense theoretical and
experimental research has revealed that non-Hermitian effects dramatically
enrich the phenomenology of topological physics=E2=80=94providing a
cross-disciplinary frontier that is rapidly expanding [1].

Using simple examples, I will describe the essence of these developments
starting with the non-Hermitian concept of exceptional degeneracies at
which both eigenvalues and eigenvectors coalesce. I will also discuss how
the bulk-boundary correspondence is radically modified in non-Hermitian
systems and how this might be harnessed in novel sensor devices [2].

[1] E.J. Bergholtz, J.C. Budich, and F.K. Kunst, Reviews of Modern Physics
93, 15005 (2021).
[2] J.C. Budich and E.J. Bergholtz, Physical Review Letters 125, 180403
(2020).

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=
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93a3-a199f6cf3430%22%7d

--0000000000001029b405f99a7928
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,
J=
ohn


Speaker: Emil Johansson Bergholtz, Professor, Stockholm Univ=
ersity
Time: Friday, April 21, 2023 - 15:00 to 16:00
Place: CB1, Call=
an Building, North Campus
Title: Non-Hermitian Topological Physics
Abstract:
Hermiticity is a fundamental aspect of isolated quantum syst=
ems. Nevertheless, non-Hermitian effects are ubiquitous in both classical a=
nd quantum systems. In the classical realm this is manifested e.g. as frict=
ion in mechanical systems, resistivity in electrical circuits, and losses i=
n optics. In the quantum realm it reflects the dynamics of open systems, as=
 well as decay, scattering, resonances and broadening due to e.g. interacti=
ons and disorder.

During the past few decades notions of topology ha=
ve revolutionised the understanding of matter as recognised by several Nobe=
l prizes. This understanding is however based on the topology and stability=
 of Hermitian matrices. In contrast, in the past few years, intense theoret=
ical and experimental research has revealed that non-Hermitian effects dram=
atically enrich the phenomenology of topological physics=E2=80=94providing =
a cross-disciplinary frontier that is rapidly expanding [1].

Using s=
imple examples, I will describe the essence of these developments starting =
with the non-Hermitian concept of exceptional degeneracies at which both ei=
genvalues and eigenvectors coalesce. I will also discuss how the bulk-bound=
ary correspondence is radically modified in non-Hermitian systems and how t=
his might be harnessed in novel sensor devices [2]. 

[1] E.J. Bergho=
ltz, J.C. Budich, and F.K. Kunst, Reviews of Modern Physics 93, 15005 (2021=
).
[2] J.C. Budich and E.J. Bergholtz, Physical Review Letters 125, 1804=
03 (2020). 

Link to join via Microsoft Teams: https://teams.microsoft.com/l/meetup-join/19%3a3xVzZgKOxz-_0D=
0vx_nZXhO7Hg5fCThijCyD1ApHlvA1%40thread.tacv2/1676303185301?context=3D%7b%2=
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From owner-mathdep LISTSERV.HEANET.IE  Tue Apr 18 12:26:36 2023
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Date:         Tue, 18 Apr 2023 12:25:31 +0100
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Subject: maths: PhD Position Opening - Interdisciplinary, strong mathematics background sought
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Dear all,

As a part of the Ocean Education and Research Group (OERG) at Trinity =
College Dublin, I would like to announce openings for PhD positions in =
our new project =E2=80=98Life in the Currents (LIC)=E2=80=99 funded by =
Prendergast Challenge-Based Awards.  Duration is 48 months (starting on =
1st September 2023 at the latest).  LIC is a multidisciplinary =
collaboration along two strands, one led by the ocean/geosciences and =
ecology, and the other led by environmental history and historical =
geography involving the following Schools: Computer Science and =
Statistics, Engineering, Geography, History, Mathematics and Zoology. =
The common thread is to increase our understanding of historical =
indicators, changes, drivers, and modelling in the Northeast Atlantic.

The full announcement can be found at =
https://www.maths.tcd.ie/~ksoodha/jobs/LIC-advert.pdf.

To make formal enquiries please contact Professor Biswajit Basu =
(bausb tcd.ie) or Professor Poul Holm (holmp tcd.ie).
More information can also be found on the website =
https://oergtcd.wordpress.com/.

Sincerely,

################################################
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
Office: Lloyd Institute 244
Phone: +353-1-896 4598
Skype: ksoodha
Twitter:  KirkMSoodhalter
################################################



################################################
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
Office: Lloyd Institute 244
Phone: +353-1-896 4598
Skype: ksoodha
Twitter:  KirkMSoodhalter
################################################


--Apple-Mail=_504E609E-F035-4871-BEF8-B0480107154C
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html;
	charset=utf-8

Dear =
all,

As a part of the Ocean Education and =
Research Group (OERG) at Trinity College Dublin, I would like to =
announce openings for PhD positions in our new project =E2=80=98Life in =
the Currents (LIC)=E2=80=99 funded by Prendergast Challenge-Based =
Awards.  Duration is 48 months (starting on 1st September 2023 at =
the latest).  LIC is a multidisciplinary collaboration along two =
strands, one led by the ocean/geosciences and ecology, and the other led =
by environmental history and historical geography involving the =
following Schools: Computer Science and Statistics, Engineering, =
Geography, History, Mathematics and Zoology. The common thread is to =
increase our understanding of historical indicators, changes, drivers, =
and modelling in the Northeast Atlantic.

The =
full announcement can be found at =
https://www.maths.tcd.ie/~ksoodha/jobs/LIC-advert.pdf.

To make formal enquiries please contact Professor Biswajit Basu =
(bausb tcd.ie) or Professor Poul Holm (holmp tcd.ie).
More =
information can also be found on the website =
https://oergtcd.wordpress.com/.

Sincerely,<=
div>

################################################=
Kirk M. Soodhalter
Ussher Assistant Professor =
in Numerical Analysis
Trinity College DublinThe University =
of Dublin
School of =
Mathematics 
ksoodha maths.tcd.ie
http://math.soodhalter.comOffice: Lloyd Institute 244
Phone: +353-1-896 =
4598
Skype: ksoodha
Twitter: =
 KirkMSoodhalter
###############################################=
#






################################################=
Kirk M. Soodhalter
Ussher Assistant Professor =
in Numerical Analysis
Trinity College DublinThe University =
of Dublin
School of =
Mathematics 
ksoodha maths.tcd.ie
http://math.soodhalter.comOffice: Lloyd Institute 244
Phone: +353-1-896 =
4598
Skype: ksoodha
Twitter: =
 KirkMSoodhalter
###############################################=
#


=

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Date:         Tue, 18 Apr 2023 12:03:27 +0000
Reply-To:     Isaac Burke 
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From:         Isaac Burke 
Subject: maths: MU Maths-Stats Colloquium, Monday 24th April
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Dear colleagues,

A specially organised MU Mathematics and Statistics Colloquium will take pl=
ace next Monday 24th April at 4pm in MS2, Logic House, Maynooth University =
with speaker Professor Tirthankar Bhattacharyya of the Indian Institute of =
Science.

See below for details. All are welcome.

Best wishes,
Isaac

___________________________________________________________________________

Speaker: Professor Tirthankar Bhattacharyya, Indian Institute of Science

Title: On distinguished varieties

Abstract: The distinguished varieties in the bidisc have been in the focus =
of recent research due to their contribution in sharpening Ando's inequalit=
y. This is interesting because it brings together algebraic geometry and op=
erator theory. Agler and McCarthy gave a description of all distinguished v=
arieties of the bidisc. It involved matrix valued rational inner functions.=
 We have related distinguished varieties to joint spectra of matrices.  In =
turn, this has implications about distinguished varieties of the symmetrize=
d bidisc. En route, the realization formula for bounded analytic functions =
on the open unit disc plays a role. Thus, this talk will be on both complex=
 analysis and operator theory on Hilbert spaces. This work is available at =
10.2140/apde.2022.15.477 and https://arxiv.org/pdf/2001.01410.pdf.

___________________________________________________________________________

title:: MU Maths-Stats Colloquium
content:: Professor Tirthankar Bhattacharyya
:: Indian Institute of Science
:: presents a talk entitled "On distinguished varieties"
date-time:: 24th April 2023 at 4pm
location:: Room MS2, Logic House, Maynooth University
endevent::


--_000_AM6PR02MB413468115A6826997F8A7BC5FC9D9AM6PR02MB4134eurp_
Content-Type: text/html; charset="iso-8859-1"
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Dear colleagues,



A specially organised MU Mathematics and S=
tatistics Colloquium will take place next
Monday 24th April at 4pm in MS2, Logic House, Maynooth University wi=
th speaker Professor Tirthankar Bhattacharyya of the Indian Institute of Sc=
ience.




See below for details. All are welcome.



Best wishes,
Isaac



_____________________________________________=
______________________________



Speaker: Professor Tirthankar Bhattach=
aryya, Indian Institute of Science



Title: On distinguished varieties



Abstract: The distinguished varieties =
in the bidisc have been in the focus of recent research due to their contri=
bution in sharpening Ando's inequality. This is interesting because it brin=
gs together algebraic geometry and
 operator theory. Agler and McCarthy gave a description of all distinguishe=
d varieties of the bidisc. It involved matrix valued rational inner functio=
ns. We have related distinguished varieties to joint spectra of matrices. &=
nbsp;In turn, this has implications about
 distinguished varieties of the symmetrized bidisc. En route, the realizati=
on formula for bounded analytic functions on the open unit disc plays a rol=
e. Thus, this talk will be on both complex analysis and operator theory on =
Hilbert spaces. This work is available
 at 10.2140/apde.2022.15.477 and https://arxiv.org/pdf/2001.01410.pdf.



_____________________________________________=
______________________________



title:: MU Maths-Stats Colloquium
content:: Professor Tirthankar Bhattacharyya<=
/div>
:: Indian Institute of Science
:: presents a talk entitled "On distingu=
ished varieties"
date-time:: 24th April 2023 at 4pm
location:: Room MS2, Logic House, Maynooth Un=
iversity
endevent::






--_000_AM6PR02MB413468115A6826997F8A7BC5FC9D9AM6PR02MB4134eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Tue Apr 18 20:18:09 2023
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Date:         Tue, 18 Apr 2023 20:16:55 +0100
Reply-To:     "Denjoe O'Connor" 
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From:         "Denjoe O'Connor" 
Subject: maths: DIAS Zoominar Thursday April 20th 14:30 speaker Patrizia Vitale
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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 April 20th by Patrizia Vitale. The seminar will be in the 
lecture theatre of 10 Burlington Road and on zoom via the link:

Date: Thursday April 20th
Time: 14:30
https://us02web.zoom.us/j/6199730148?pwd=SjVGcTJWQmZZNndHenMyRStsL0lKdz09
Meeting ID: 619 973 0148
Passcode: 122512


                           Patrizia Vitale
                Pancini Universit� di Napoli and INFN
                               Italy

Title: Poisson gauge theory

Abstract: Motivated by noncommutative gauge theory, I will discuss a novel 
approach to gauge theory with underlying non-trivial Poisson structure 
over space-time. The goal is to formulate a gauge theory which reproduces 
the standard one in the 'commutative' limit (e.g. with� trivial Poisson 
bracket) and such that the algebra of gauge parameters closes under 
Poisson brackets. The case of U(1) gauge theory shall be considered in 
some detail.

With best wishes,
Denjoe.
--111151493-1619833559-1678905227=:3237139--

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Date:         Wed, 19 Apr 2023 09:45:13 +0100
Reply-To:     Andrew Keane 
Sender:       UCD Maths Department Distribution List 
From:         Andrew Keane 
Subject: University College Cork Mathematical Sciences Seminar
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--------------q1nqslhlNsW4mkfi0KJN3rZd
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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 20th April, Western Gateway 
Building, room G13

*Speaker:*Serhiy Yanchuk (Potsdam Institute for Climate Impact Research, 
Germany)

*
*

*Title:*Adaptive dynamical networks: from multiclusters to recurrent 
synchronization

*
*

*Abstract:* It is a fundamental challenge to understand how the function 
of a network is related to its structural organization. Adaptive 
dynamical networks represent a broad class of systems that can change 
their connectivity over time depending on their dynamical state. The 
most important feature of such systems is that their function depends on 
their structure and vice versa. While the properties of static networks 
have been extensively investigated in the past, the study of adaptive 
networks is much more challenging. Moreover, adaptive dynamical networks 
are of tremendous importance for various application fields. For 
example, models for neuronal synaptic plasticity, adaptive networks in 
chemical, epidemic, biological, transport, and social systems, to name a 
few. In this talk I highlight the dynamical phenomena arising in 
adaptive networks.

Best wishes,

Andrew Keane


title:: Mathematical Sciences Seminar (University College Cork)
content:: Serhiy Yanchuk (Potsdam Institute for Climate Impact Research, 
Germany) will speak on
:: Adaptive dynamical networks: from multiclusters to recurrent 
synchronization
:: For further information see:
:: https://www.ucc.ie/en/matsci/events/somsseminarseries2022-23/
date-time:: 20th April 2023 at 13:00
location:: Western Gateway Building G13, University College Cork
endevent::

--------------q1nqslhlNsW4mkfi0KJN3rZd
Content-Type: text/html; charset=UTF-8
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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 20th April,
                                                          Western
                                                          Gateway
                                                          Building, room
                                                          G13

                                                          
                                                           
                                                          Speaker:
                                                          Serhiy Yanchuk
                                                          (Potsdam
                                                          Institute for
                                                          Climate Impact
                                                          Research,
                                                          Germany)
                                                           

                                                          
                                                          Title: Adaptive dynamical networks: from
                                                          multiclusters
                                                          to recurrent
                                                          synchronization
                                                           

                                                          
                                                           
                                                          
                                                           
                                                          
                                                           
                                                          
                                                          Abstract: It is a
                                                          fundamental
                                                          challenge to
                                                          understand how
                                                          the function
                                                          of a network
                                                          is related to
                                                          its structural
                                                          organization.
                                                          Adaptive
                                                          dynamical
                                                          networks
                                                          represent a
                                                          broad class of
                                                          systems that
                                                          can change
                                                          their
                                                          connectivity
                                                          over time
                                                          depending on
                                                          their
                                                          dynamical
                                                          state. The
                                                          most important
                                                          feature of
                                                          such systems
                                                          is that their
                                                          function
                                                          depends on
                                                          their
                                                          structure and
                                                          vice versa.
                                                          While the
                                                          properties of
                                                          static
                                                          networks have
                                                          been
                                                          extensively
                                                          investigated
                                                          in the past,
                                                          the study of
                                                          adaptive
                                                          networks is
                                                          much more
                                                          challenging.
                                                          Moreover,
                                                          adaptive
                                                          dynamical
                                                          networks are
                                                          of tremendous
                                                          importance for
                                                          various
                                                          application
                                                          fields. For
                                                          example,
                                                          models for
                                                          neuronal
                                                          synaptic
                                                          plasticity,
                                                          adaptive
                                                          networks in
                                                          chemical,
                                                          epidemic,
                                                          biological,
                                                          transport, and
                                                          social
                                                          systems, to
                                                          name a few. In
                                                          this talk I
                                                          highlight the
                                                          dynamical
                                                          phenomena
                                                          arising in
                                                          adaptive
                                                          networks. 
                                                          
 
                                                          
                                                           
                                                          
                                                          
                                                          Best
                                                          wishes,
                                                          
                                                          
                                                          Andrew
                                                          Keane

                                                          
                                                          

                                                          title::
                                                          Mathematical
                                                          Sciences
                                                          Seminar
                                                          (University
                                                          College Cork)

                                                          content:: Serhiy Yanchuk
                                                          (Potsdam
                                                          Institute for
                                                          Climate Impact
                                                          Research,
                                                          Germany)
                                                          will speak on

                                                          :: Adaptive
                                                          dynamical
                                                          networks: from
                                                          multiclusters
                                                          to recurrent
                                                          synchronization

                                                          :: For further
                                                          information
                                                          see:

                                                          :: https://www.ucc.ie/en/matsci/events/somsseminarseries2022-23/

                                                          date-time::
                                                          20th April
                                                          2023 at 13:00

                                                          location::
                                                          Western
                                                          Gateway
                                                          Building G13,
                                                          University
                                                          College Cork

                                                          endevent::

                                                          

                                                          
                                                          
                                                      
                                                    
                                                  
                                                
                                              
                                            
                                          
                                        
                                      
                                    
                                  
                                
                              
                            
                          
                        
                      
                    
                  
                
              
            
          
        
      

    

  


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UCD School of Mathematics and Statistics - Seminar Notice=0D
=0D
 =0D
	Speaker: Konstantinos Maronikolakis=0D
 =0D
	Title: Properties of Abel universal functions=0D
=0D
 =0D
	Date: Tue 25th April 2023=0D
 =0D
	Time: 3:00PM=0D
 =0D
	Location: Seminar Room SCN 1.25=0D
=0D
Abstract: In general, an object is called universal, if it can approximate =
through some specific process, every element of a given space. In this talk=
, I will focus on the class of Abel universal functions which are holomorph=
ic functions on the unit disk whose radial limits uniformly approximate all=
 possible continuous functions on compact subsets of the unit circle. More =
precisely, given an increasing sequence $\rho=3D(r_n)$ in $[0,1)$ tending t=
o 1, a holomorphic function $f$ on the open unit disk is an Abel universal =
function (with respect to $\rho$) if for any compact set $K$ on the unit ci=
rcle, different from the unit circle, the set of functions $\{f(r_n \cdot)|=
_K: n\in\mathbb{N} \}$ is dense in the space of continuous functions on $K$=
. I will discuss properties of Abel universal functions and in particular t=
heir similarities and differences with the universal Taylor series, which a=
re well studied in the field of universality.=0D
=0D
Joint work with St\'ephane Charpentier and Myrto Manolaki.=0D
=0D
https://ucd-ie.zoom.us/j/68391312153 =0D
=0D
=0D
Further information: https://ucd-ie.zoom.us/j/68391312153  =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:: Properties of Abel universal functions=0D
content:: Konstantinos Maronikolakis =0D
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis) =0D
location:: Seminar Room SCN 1.25=0D
date-time:: Tue 25th April 2023 at 3:00PM=20=


----+--1681897552--+--
Content-Type: text/html; charset="utf-8"
Content-Transfer-Encoding: quoted-printable

UCD School of Mathematics and Statistics - Seminar Notice





 


	Speaker:  Konstantinos Maronikolakis


 


	Title: Properties of Abel universal functions





 


	Date: Tue 25th April 2023


 


	Time: 3:00PM


 


	Location: Seminar Room SCN 1.25





Abstract: In general, an object is called universal, if it can approximate through some specific process, every element of a given space. In this talk, I will focus on the class of Abel universal functions which are holomorphic functions on the unit disk whose radial limits uniformly approximate all possible continuous functions on compact subsets of the unit circle. More precisely, given an increasing sequence $\rho=(r_n)$ in $[0,1)$ tending to 1, a holomorphic function $f$ on the open unit disk is an Abel universal function (with respect to $\rho$) if for any compact set $K$ on the unit circle, different from the unit circle, the set of functions $\{f(r_n \cdot)|_K: n\in\mathbb{N} \}$ is dense in the space of continuous functions on $K$. I will discuss properties of Abel universal functions and in particular their similarities and differences with the universal Taylor series, which are well studied in the field of universality.





Joint work with St\'ephane Charpentier and Myrto Manolaki.





https://ucd-ie.zoom.us/j/68391312153 








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:: Properties of Abel universal functions


content:: Konstantinos Maronikolakis 


:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis) 


location:: Seminar Room SCN 1.25


date-time:: Tue 25th April 2023 at 3:00PM 
----+--1681897552--+----

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Date:         Thu, 20 Apr 2023 08:41:17 +0000
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Subject: Maths: MACSI seminar, Friday, April 21st at 12.00
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From owner-mathdep LISTSERV.HEANET.IE  Thu Apr 20 13:28:17 2023
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Date:         Thu, 20 Apr 2023 13:27:10 +0100
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From:         George Rogers 
Subject: Maths: STP, DIAS: Vacancies - 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 24th. 
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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From owner-mathdep LISTSERV.HEANET.IE  Thu Apr 20 13:29:36 2023
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Date:         Thu, 20 Apr 2023 13:28:51 +0100
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From:         George Rogers 
Subject: Maths: STP, DIAS Special Public Lecture - Tadashi Tokieda - 26 April, 11am
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As part of the IAS-DIAS organised conference, The Amplituhedron at 10: 
Hidden Mathematical Structures of the Amplituhedron, Prof. Tadashi 
Tokieda (Stanford University) will give a public lecture at STP, DIAS 
Burlington Road on Wednesday 26 April.

This is a free ticketed event.

Speaker: Tadashi Tokieda (Stanford University)

Title: A World From A Sheet of Paper

Abstract: Starting from just a sheet of paper, by folding, stacking, 
crumpling, sometimes tearing, we shall explore a diversity of phenomena, 
from magic tricks and geometry through elasticity and the traditional 
Japanese art of origami to medical devices and an ‘h-principle’. Much of 
the show consists of table-top demonstrations, which you can try later 
with friends and family.

So, take a sheet of paper. . .

Time: Wednesday 26 April, 11am

Place: STP, DIAS, 10 Burlington Road, Dublin 4

Tickets: 
https://www.eventbrite.ie/e/a-world-from-a-sheet-of-paper-tickets-616017293307

-- 
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School of Theoretical Physics
Dublin Institute for Advanced Studies
10 Burlington Road, Dublin 4 - D04 C932
Tel: +353-1-6140104
www.dias.ie
#DIASdiscovers

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Subject: Maths: STP, DIAS - Summer Studentships 2022 - Deadline Extension > 30 April 2013
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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 30th. 
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/2023/04/04/dias-summer-studentships-school-of-theoretical-physics-2023/

-- 
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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Date:         Thu, 20 Apr 2023 17:25:08 +0000
Reply-To:     Isaac Burke 
Sender:       UCD Maths Department Distribution List 
From:         Isaac Burke 
Subject: maths: MU Maths-Stats Colloquium, Wednesday 26th April
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--_000_AM6PR02MB413440DFA32AA283FCB9B7F0FC639AM6PR02MB4134eurp_
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Dear colleagues,

An MU Mathematics and Statistics Colloquium will take place next Wednesday =
26th April at 3pm in MS2, Logic House, Maynooth University. See below for d=
etails. All are welcome.

Best wishes,
Isaac

___________________________________________________________________________

Speaker: Morgan Robson, Maynooth University

Title: Classical Curvature Flows and Weingarten Surfaces

Abstract: Classical curvature flows are time evolution equations for surfac=
es in Euclidean 3-space wherein the normal velocity of the evolving surface=
 is a function of the surface's principal curvatures. Surfaces which are st=
ationary under such evolution equations are exactly the surfaces whose prin=
cipal curvatures are in functional relationship with one another. These sur=
faces are said to be Weingarten.

In this talk I will present some topological and geometrical obstructions f=
or a surface to be Weingarten which allow one to deduce the non-existence o=
f stationary solutions to particular curvature flows. Time permitting, I wi=
ll discuss the analysis of a particular class of curvature flows linear-Hop=
f flow.

___________________________________________________________________________

title:: MU Maths-Stats Colloquium
content:: Morgan Robson
:: Maynooth University
:: presents a talk entitled "Classical Curvature Flows and Weingarten Surfa=
ces"
date-time:: 26th April 2023 at 3pm
location:: Room MS2, Logic House, Maynooth University
endevent::


--_000_AM6PR02MB413440DFA32AA283FCB9B7F0FC639AM6PR02MB4134eurp_
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Dear colleagues,



An MU Mathematics and Statistics Coll=
oquium will take place next
Wednesday 26th April at 3pm in MS2, Logic House, Maynooth University=
. See below for details. All are welcome.



Best wishes,
Isaac



_____________________________________________=
______________________________



Speaker: Morgan Robson, Maynooth Unive=
rsity



Title: Classical Curvature Flows and W=
eingarten Surfaces



Abstract: Classical curvature flows ar=
e time evolution equations for surfaces in Euclidean 3-space wherein the no=
rmal velocity of the evolving surface is a function of the surface's princi=
pal curvatures. Surfaces which are
 stationary under such evolution equations are exactly the surfaces whose p=
rincipal curvatures are in functional relationship with one another. These =
surfaces are said to be Weingarten.



In this talk I will present some topological =
and geometrical obstructions for a surface to be Weingarten which allow one=
 to deduce the non-existence of stationary solutions to particular curvatur=
e flows. Time permitting, I will discuss
 the analysis of a particular class of curvature flows linear-Hopf flow.



_____________________________________________=
______________________________



title:: MU Maths-Stats Colloquium
content:: Morgan Robson
:: Maynooth University
:: presents a talk entitled "Classical C=
urvature Flows and Weingarten Surfaces"
date-time:: 26th April 2023 at 3pm
location:: Room MS2, Logic House, Maynooth Un=
iversity
endevent::






--_000_AM6PR02MB413440DFA32AA283FCB9B7F0FC639AM6PR02MB4134eurp_--

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Reply-To:     Robert Osburn 
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Subject: maths: UCD Algebra and Number Theory seminar
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--Apple-Mail=_5E0FF395-481D-4787-9C69-D5F77236863D
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	charset=utf-8

UCD Algebra and Number Theory Seminar

Speaker: Matija Kazalicki (Zagreb)

Title: Congruences for sporadic sequences and modular forms=20

Abstract:  In 1979, for his proof of the irrationality of zeta(3), =
Ap=C3=A9ry discovered a sequence of numbers with intriguing congruence =
properties. This talk will provide an overview of the known results on =
the congruences for sporadic Ap=C3=A9ry-like sequences of order 2 and 3. =
We will discuss the role of modular forms for noncongruence subgroups in =
understanding these sequences. Finally, we will present some new =
findings and conjectures on order 3 sequences.=20

Date: Thursday, April 27, 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:: Matija Kazalicki (Zagreb) will speak on
:: Congruences for sporadic sequences and modular forms=20
date-time:: Thursday, April 27, 2023 at 2:00pm
location:: Seminar Room, SCN, Room 1.25
endevent::=

--Apple-Mail=_5E0FF395-481D-4787-9C69-D5F77236863D
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html;
	charset=utf-8

UCD Algebra =
and Number Theory Seminar

Speaker: Matija =
Kazalicki (Zagreb)

Title: Congruences for sporadic =
sequences and modular forms 

Abstract:  In =
1979, for his proof of the irrationality of zeta(3), Ap=C3=A9ry =
discovered a sequence of numbers with intriguing congruence properties. =
This talk will provide an overview of the known results on the =
congruences for sporadic Ap=C3=A9ry-like sequences of order 2 and 3. We =
will discuss the role of modular forms for noncongruence subgroups in =
understanding these sequences. Finally, we will present some new =
findings and conjectures on order 3 sequences. 

Date: Thursday, April 27, 2023 
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:: Matija Kazalicki =
(Zagreb) will speak on
:: Congruences for sporadic sequences and modular =
forms 
date-time:: Thursday, April 27, 2023 at =
2:00pm
location:: Seminar Room, SCN, Room 1.25
endevent::=

--Apple-Mail=_5E0FF395-481D-4787-9C69-D5F77236863D--

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Subject: maths: MU Maths-Stats Colloquium, Monday 24th April [today]
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Dear colleagues,

This is a reminder that:

A specially organised MU Mathematics and Statistics Colloquium will take pl=
ace today at 4pm in MS2, Logic House, Maynooth University with speaker Prof=
essor Tirthankar Bhattacharyya of the Indian Institute of Science.

See below for details. All are welcome.

Best wishes,
Isaac

___________________________________________________________________________

Speaker: Professor Tirthankar Bhattacharyya, Indian Institute of Science

Title: On distinguished varieties

Abstract: The distinguished varieties in the bidisc have been in the focus =
of recent research due to their contribution in sharpening Ando's inequalit=
y. This is interesting because it brings together algebraic geometry and op=
erator theory. Agler and McCarthy gave a description of all distinguished v=
arieties of the bidisc. It involved matrix valued rational inner functions.=
 We have related distinguished varieties to joint spectra of matrices.  In =
turn, this has implications about distinguished varieties of the symmetrize=
d bidisc. En route, the realization formula for bounded analytic functions =
on the open unit disc plays a role. Thus, this talk will be on both complex=
 analysis and operator theory on Hilbert spaces. This work is available at =
10.2140/apde.2022.15.477 and https://arxiv.org/pdf/2001.01410.pdf.

___________________________________________________________________________


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Dear colleagues,





This is a reminder that:




A specially organised MU Mathematics and S=
tatistics Colloquium will take place
today at 4pm in MS2, Logic House, Maynooth University with sp=
eaker Professor Tirthankar Bhattacharyya of the Indian Institute of Science=
.




See below for details. All are welcome.



Best wishes,
Isaac



_____________________________________________=
______________________________



Speaker: Professor Tirthankar Bhattach=
aryya, Indian Institute of Science



Title: On distinguished varieties



Abstract: The distinguished varieties =
in the bidisc have been in the focus of recent research due to their contri=
bution in sharpening Ando's inequality. This is interesting because it brin=
gs together algebraic geometry and
 operator theory. Agler and McCarthy gave a description of all distinguishe=
d varieties of the bidisc. It involved matrix valued rational inner functio=
ns. We have related distinguished varieties to joint spectra of matrices. &=
nbsp;In turn, this has implications about
 distinguished varieties of the symmetrized bidisc. En route, the realizati=
on formula for bounded analytic functions on the open unit disc plays a rol=
e. Thus, this talk will be on both complex analysis and operator theory on =
Hilbert spaces. This work is available
 at 10.2140/apde.2022.15.477 and https://arxiv.org/pdf/2001.01410.pdf.



_____________________________________________=
______________________________







--_000_AM6PR02MB413409C2E5A9665588F138B2FC679AM6PR02MB4134eurp_--

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Subject: maths: Groups in Galway 2023
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Dear colleagues,

This is the second announcement of the conference Groups in Galway 2023 which will take place at the University of Galway (Ireland) from 18-19 May 2023.

All who are interested are invited to attend!

Invited speakers:

* Naomi Andrew (University of Oxford)
* Javier Aramayona (ICMAT)
* Ilaria Castellano (Bielefeld University)
* Leo Margolis (Vrije University Brussel)
* Padraig Ó Catháin (Dublin City University)
* Colva Roney-Dougal (University of St Andrews)
* Tobias Rossmann (University of Galway)
* Yuri Santos Rego (Otto-von-Guericke University Magdeburg)
* Gerald Williams (University of Essex)

For further information, schedule and abstracts, please
visit the conference web page:

https://angelacarnevale.github.io/gig23/

Hoping to see you at the University of Galway in May,
Angela Carnevale and Götz Pfeiffer

------------------------------------------------------------------------
goetz.pfeiffer nuigalway.ie           http://schmidt.nuigalway.ie/~goetz
Mathematics, NUI Galway, Ireland.                  phone +353-91-49-3591

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 24 14:45:26 2023
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Subject: Maths: Seminar Uni Galway, Filipa Peres-An introduction to Pauli-based computation
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An introduction to Pauli-based computation
Filipa Peres *(INL - International Iberian Nanotechnology Laboratory)*
Thu April 27, 15:00-16:00
Lecture held in ADB1020

Abstract:

In this talk, I will discuss how universal quantum computation can be
achieved by performing only adaptive measurements of compatible, multi-qubi=
t
Pauli operators. This is a model of quantum computation known as
Pauli-based computation [1]. Additionally, I will discuss how this
framework can be used to compile (universally general) Clifford+T quantum
circuits [1,2] and to perform hybrid quantum-classical computation [1,2].

To reach the talk=E2=80=99s goals I will start with a pedagogical introduct=
ion into
the Pauli and Clifford groups, the stabilizer formalism and discuss briefly
how to do magic state injection.



[1] S. Bravyi, G. Smith, and J. A. Smolin, Trading Classical and Quantum
Computational Resources, Phys. Rev. X 6, 021043 (2016).

[2] F. C. R. Peres and E. F. Galv=C3=A3o, Quantum circuit compilation and h=
ybrid
computation using Pauli-based computation (2022), arXiv:2203.01789.

--000000000000a26bde05fa153576
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An introduction to Pauli-based computation
Filipa Peres=C2=A0(INL - International Iberian Nanotechnology Laborat=
ory)
Thu April 27, 15:00-16:00=C2=A0
Lecture he=
ld in ADB1020

Abstract:=C2=A0
In this talk, I will discuss how
universal quantum computation can be achieved by performing only adaptive
measurements of=C2=A0compatible,=C2=A0mu=
lti-qubit
Pauli operators. This is a model of quantum computation known as Pauli-base=
d
computation [1]. Additionally, I will discuss how this framework can be use=
d to
compile (universally general) Clifford+T quantum circuits [1,2] and to perf=
orm
hybrid quantum-classical computation [1,2].

To reach the talk=E2=80=99s goals I will start
with a pedagogical introduction into the Pauli and Clifford groups, the
stabilizer formalism and discuss briefly how to do magic state injection.

=C2=A0

[1]=C2=A0S. Bravyi, G. Smit=
h, and
J. A. Smolin, Trading Classical=C2=A0and Quantum Computational Resources, P=
hys.
Rev. X=C2=A06, 021043 (2016).

[2]=C2=A0F. C. R. Peres and=
 E. F.
Galv=C3=A3o, Quantum circuit compilation and hybrid computation using Pauli=
-based
computation (2022), arXiv:2203.01789.


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Date:         Tue, 25 Apr 2023 12:10:23 +0000
Reply-To:     Isaac Burke 
Sender:       UCD Maths Department Distribution List 
From:         Isaac Burke 
Subject: maths: MU Maths-Stats Colloquium, Wednesday 26th April [tomorrow]
To:           MATHDEP LISTSERV.HEANET.IE
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Dear colleagues,

This is a reminder that:

An MU Mathematics and Statistics Colloquium will take place as usual on Wed=
nesday 26th April at 3pm in MS2, Logic House, Maynooth University. See belo=
w for details. All are welcome.

Best wishes,
Isaac

___________________________________________________________________________

Speaker: Morgan Robson, Maynooth University

Title: Classical Curvature Flows and Weingarten Surfaces

Abstract: Classical curvature flows are time evolution equations for surfac=
es in Euclidean 3-space wherein the normal velocity of the evolving surface=
 is a function of the surface's principal curvatures. Surfaces which are st=
ationary under such evolution equations are exactly the surfaces whose prin=
cipal curvatures are in functional relationship with one another. These sur=
faces are said to be Weingarten.

In this talk I will present some topological and geometrical obstructions f=
or a surface to be Weingarten which allow one to deduce the non-existence o=
f stationary solutions to particular curvature flows. Time permitting, I wi=
ll discuss the analysis of a particular class of curvature flows linear-Hop=
f flow.

___________________________________________________________________________


--_000_AM6PR02MB41342CD053A635CA87F320FFFC649AM6PR02MB4134eurp_
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Dear colleagues,





This is a reminder that:




An MU Mathematics and Statistics Colloquiu=
m will take place as usual on
Wednesday 26th April at 3pm in MS2, Logic House, Maynooth University=
. See below for details. All are welcome.



Best wishes,
Isaac



_____________________________________________=
______________________________



Speaker: Morgan Robson, Maynooth Unive=
rsity



Title: Classical Curvature Flows and W=
eingarten Surfaces



Abstract: Classical curvature flows ar=
e time evolution equations for surfaces in Euclidean 3-space wherein the no=
rmal velocity of the evolving surface is a function of the surface's princi=
pal curvatures. Surfaces which are
 stationary under such evolution equations are exactly the surfaces whose p=
rincipal curvatures are in functional relationship with one another. These =
surfaces are said to be Weingarten.



In this talk I will present some topological =
and geometrical obstructions for a surface to be Weingarten which allow one=
 to deduce the non-existence of stationary solutions to particular curvatur=
e flows. Time permitting, I will discuss
 the analysis of a particular class of curvature flows linear-Hopf flow.



_____________________________________________=
______________________________







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From owner-mathdep LISTSERV.HEANET.IE  Wed Apr 26 11:50:43 2023
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Reply-To:     Hermann Render 
Sender:       UCD Maths Department Distribution List 
From:         Hermann Render 
Subject: maths: UCD Colloquium Series
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--000000000000404d5105fa3b02fd
Content-Type: text/plain; charset="UTF-8"

noemail::
title:: UCD COLLOQUIUM SERIES
content:: Professor  DMITRY KHAVINSON  (University of South Florida ) will
speak on
::  From Algebra to General Relativity and Astrophysics
date-time:: Friday 5th May, 2023  at 14.00
location:: UCD  Science North 125
endevent::

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

--000000000000404d5105fa3b02fd
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noemail::
title=
::=C2=A0UCD=C2=A0COLLOQUIUM=C2=A0SERIES
=
content:: Professor=C2=A0=C2=A0DMITRY KHAVINSON=C2=A0=C2=A0(University of=C2=
=A0South Florida ) will speak on
::=C2=
=A0=C2=A0From Algebra to=C2=A0General Relativity and Astroph=
ysics=C2=A0
date-time::=C2=A0Friday=C2=A05th=C2=A0May, 2023=C2=A0 at 14.0=
0=C2=A0
location::=C2=A0UCD=C2=A0=C2=A0Science North 125=C2=A0
=
endevent::

-- 
Dr Hermann RenderUniversity College Dublin=C2=A0
Scho=
ol of Mathematics and Statistics
Dublin, Ireland



--000000000000404d5105fa3b02fd--

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From:         Hermann Render 
Subject: maths: Friday, 5th May 2023 -- 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  Dmitry  Khavinson  (University of South Florida,
USA)



*TITLE:   *From Algebra to General Relativity and Astrophysics

*TIME *: Friday 5th May  2023 ,  14.00=E2=80=9414.50



*LOCATION *:   Room  N1.25 North Science  (O'Brien Centre), UCD



*COFFEE MEETING *:    Common Room, from 15.00=E2=80=9416.00


Abstract:  According to the Fundamental Theorem of Algebra the complex
analytic  polynomial of degree n has n complex roots counted with
multiplicities. What if the polynomial is a non-analytic polynomial, say
has a term with z*?  What if instead of a polynomial we take a rational
function of z and z*? Will we have a =E2=80=9Cfundamental =E2=80=9C new the=
orem of new
algebra? Another question. Imagine  the light from a distant star or a
galaxy is deflected by several, say n, very concentrated masses,
point-masses. How many images of the light sources we might
detect?(Similarly to when a light bulb is reflected in several mirrors in a
dark room.) What is the Einstein ring? And what in God=E2=80=99s name these
 questions have in common? Well, turns out they do and are essentially
equivalent. Yet, many open problems remain.
The talk will be accessible to undergraduate students and no knowledge of
general relativity is needed to understand the heart of the matter and the
open problems.

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

--00000000000034b2ca05fa3b30b9
Content-Type: text/html; charset="UTF-8"
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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

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=A0Dmitry =C2=A0Khavinson
=C2=A0(University of South Florida, 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

TITLE:=C2=A0 =C2=A0From Algebra to General Relativity and Astrophysics

TIME=C2=A0: Friday 5th
May=C2=A0 2023 ,=C2=A0 14.00=E2=80=9414.50 =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 15.00=E2=80=9416.00=C2=A0 



Abstract: =C2=A0According to the
Fundamental Theorem of Algebra the complex analytic =C2=A0polynomial of deg=
ree
n has n complex roots counted with multiplicities. What if the polynomial i=
s a
non-analytic polynomial, say has a term with z*?=C2=A0 What if instead of a=
 polynomial
we take a rational function of z and z*? Will we have a =E2=80=9Cfundamenta=
l =E2=80=9C new
theorem of new algebra? Another question. Imagine =C2=A0the light from a
distant star or a galaxy is deflected by several, say n, very concentrated
masses, point-masses. How many images of the light sources we might detect?=
(Similarly
to when a light bulb is reflected in several mirrors in a dark room.) What =
is
the Einstein ring? And what in God=E2=80=99s name these =C2=A0questions hav=
e in common?
Well, turns out they do and are essentially equivalent. Yet, many open prob=
lems
remain.

The talk will
be accessible to undergraduate students and no knowledge of general relativ=
ity
is needed to understand the heart of the matter and the open problems.

-- 
<=
div dir=3D"ltr">Dr Hermann Rend=
erUniversity College Dublin=C2=A0
School of Mathematics and St=
atistics
Dublin, Ireland



--00000000000034b2ca05fa3b30b9--

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Date:         Wed, 26 Apr 2023 11:06:55 +0000
Reply-To:     "Romina.Gaburro" 
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From:         "Romina.Gaburro" 
Subject: Maths: MACSI seminar, Friday, April 28th 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 Jason Wyse  (Tr=
inity College Dublin) on Friday the 28th of April. Details of the seminar a=
re 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/83326568790?pwd=3Da1JKRzhQbmFhcncyOFVoK2MvRGtjQT0=
9

Meeting ID: 833 2656 8790
Passcode: 985296


Date:  Friday, April 21, 2023 at 12.00.


Speaker: Dr. Jason Wyse (Department of Statistics, Trinity College Dublin).

Title: Bayesian distributed lag and quantile distributed lag models

Abstract:
Distributed lag models have experienced popularity in the modelling of envi=
ronmental exposures on health outcomes as well as modelling lagged relation=
ships between economic indicators. This talk will discuss Bayesian approach=
es to distributed lag modelling and their extension to Bayesian quantile re=
gression settings. We describe estimation using various MCMC methods. We wi=
ll also explore the advantages and challenges of working with these models =
and the potential to build and extend them to incorporate richer correlatio=
n structures.



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 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_DB9PR03MB7628CC07A0DAFF83833D93D687659DB9PR03MB7628eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable








Dear All,









 




the next MACSI seminar of
 the Autumn semester at the Department of Mathematics and Stati=
stics, University of Limerick will be given by

Jason Wyse  (Trinity College Dublin) on Friday the 28th =
of April. Details of the seminar are given below. 

The<=
span class=3D"x_x_xxxxxapple-converted-space" style=3D"font-family:Calibri,=
Helvetica,sans-serif"> seminar 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/83326568790?pwd=3Da1JKRzhQbmFh=
cncyOFVoK2MvRGtjQT09



Meeting ID: 833 2656 8790

Passcode: 985296






Date:  Friday,
 April 21, 2023 at 12.00.





Speaker: Dr.
 Jason Wyse (Department of Statistics, Trinity College Dublin).






Title: Bayesian
 distributed lag and quantile distributed lag models




Abstract:




Distributed lag models have experienced popularity in t=
he modelling of environmental exposures
 on health outcomes as well as modelling lagged relationships between econo=
mic indicators. This talk will discuss Bayesian approaches to distributed l=
ag modelling and their extension to Bayesian quantile regression settings. =
We describe estimation using various
 MCMC methods. We will also explore the advantages and challenges of workin=
g with these models and the potential to build and extend them to incorpora=
te richer correlation structures.


 







Further Information: If you have any =
questions regarding this semina=
r, please direct them to Romina Gaburro (061
 213193, romi=
na.gaburro ul.ie)=
 or Clifford Nolan (061 202766, clifford.nolan ul.ie). 








----------------=
--------------------------------------------------------------------------<=
/span>




MACSIwww.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_DB9PR03MB7628CC07A0DAFF83833D93D687659DB9PR03MB7628eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Thu Apr 27 09:57:55 2023
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Reply-To:     Christopher Boyd 
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From:         Christopher Boyd 
Subject: maths: Analysis Seminar in UCD on WEDNESDAY 3rd of May
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UCD School of Mathematics and Statistics - Seminar Notice


	Speaker:  Dmitry Khavinson (University of South Florida)

	Title: Approximation Theory and Some Free Boundary Problems


	Date: Wed 3rd May 2023

	Time: 3:00PM

	Location: Seminar Room SCN 1.25

Abstract: We shall try to outline the program started 4 decades ago
that focuses on approximating particular =C3=A2=E2=82=AC=C5=93badly approxi=
mable=C3=A2=E2=82=AC
functions that leads to unexpectedly exciting problems in mathematical
physics. So called free boundary problems. For example studying the
approximation of z* by analytic functions leads to the  isoperimetric
inequality, J. Serrin=C3=A2=E2=82=AC=E2=84=A2s problem in hydrodynamics, eq=
uilibrium of
electrified droplets, St. Venant=C3=A2=E2=82=AC=E2=84=A2s  inequality for t=
orsional
rigidity, etc. A  Many simply stated open questions, that still remain
open in spite of the recent progress in the last decades, will be
discussed. The talk should be accessible to graduate students and math
majors.

 https://ucd-ie.zoom.us/j/62548509883

Further information: https://ucd-ie.zoom.us/j/62548509883

-------------------------------------------------------------
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:: Approximation Theory and Some Free Boundary Problems
content::  Dmitry Khavinson (University of South Florida)
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis)
location:: Seminar Room SCN 1.25
date-time:: Wed 3rd May 2023 at 3:00PM

--00000000000031836f05fa4d890d
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

UCD School of Mathematics and Statistics - Seminar No=
tice

=20
	Speaker:  Dmitry Khavinson (University of South Florida)
=20
	Title: Approximation Theory and Some Free Boundary Problems

=20
	Date: Wed 3rd May 2023
=20
	Time: 3:00PM
=20
	Location: Seminar Room SCN 1.25

Abstract: We shall try to outline the program started 4 decades ago that fo=
cuses on approximating particular =C3=A2=E2=82=AC=C5=93badly approximable=
=C3=A2=E2=82=AC  functions that leads to unexpectedly exciting problems in =
mathematical physics. So called free boundary problems. For example studyin=
g the approximation of z* by analytic functions leads to the  isoperimetric=
 inequality, J. Serrin=C3=A2=E2=82=AC=E2=84=A2s problem in hydrodynamics, e=
quilibrium of electrified droplets, St. Venant=C3=A2=E2=82=AC=E2=84=A2s  in=
equality for torsional rigidity, etc. A  Many simply stated open questions,=
 that still remain open in spite of the recent progress in the last decades=
, will be discussed. The talk should be accessible to graduate students and=
 math majors.

 https://ucd-ie.zoom.us/j/=
62548509883

Further information: https=
://ucd-ie.zoom.us/j/62548509883 =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:: Approximation Theory and Some Free Boundary Problems
content::  Dmitry Khavinson (University of South Florida)=20
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis)=20
location:: Seminar Room SCN 1.25
date-time:: Wed 3rd May 2023 at 3:00PM  

--00000000000031836f05fa4d890d--

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Date:         Fri, 28 Apr 2023 10:23:32 +0100
Reply-To:     John Brennan 
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From:         John Brennan 
Subject: Maths: Maynooth Dept of Theoretical Physics Seminar: Friday 28th April (Today)  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: Goran Nakerst, University of Dresden
Time: Friday, April 28, 2023 - 15:00 to 16:00
Place: CB1, Callan Building, North Campus
Title: Spectral Properties of Markov Generators and Their Connection to
Random Matrix Theory

Abstract:
Continuous-time Markovian processes are commonly used to model complex
multi-state systems in various fields, including physics, chemistry,
biology, economics, and game theory. These processes are fully determined
by their generators. Typical rather than system-specific properties of the
generators are perceived by investigating random ensembles of generators.

In this talk, I will focus on spectral properties of generators of Markov
processes and their connection to random matrix theory. I will introduce an
ensemble of sparse random generators and demonstrate that the sparsity
leads to a closure of the large spectral gap typically present in dense
random generator ensembles. I will also discuss how the spectral boundary
of a paradigmatic model, the asymmetric simple exclusion process, can be
related to the cycle structure of random graphs.

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

--0000000000008239e705fa6207bf
Content-Type: text/html; charset="UTF-8"
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Hi all,

Please find below details of the next semin=
ar hosted by the Maynooth Dept of Theoretical Physics.

Regards,
J=
ohn

Speaker: Goran Nakerst, University of Dresden
Time: Friday, A=
pril 28, 2023 - 15:00 to 16:00
Place: CB1, Callan Building, North Campus=

Title: Spectral Properties of Markov Generators and Their Connection to=
 Random Matrix Theory

Abstract:
Continuous-time Markovian process=
es are commonly used to model complex multi-state systems in various fields=
, including physics, chemistry, biology, economics, and game theory. These =
processes are fully determined by their generators. Typical rather than sys=
tem-specific properties of the generators are perceived by investigating ra=
ndom ensembles of generators.

In this talk, I will focus on spe=
ctral properties of generators of Markov processes and their connection to =
random matrix theory. I will introduce an ensemble of sparse random generat=
ors and demonstrate that the sparsity leads to a closure of the large spect=
ral gap typically present in dense random generator ensembles. I will also =
discuss how the spectral boundary of a paradigmatic model, the asymmetric s=
imple exclusion process, can be related to the cycle structure of random gr=
aphs.

Link to join via Microsoft Teams: https://teams.microsoft.com/l/meetup-join/19%3a3xVzZgK=
Oxz-_0D0vx_nZXhO7Hg5fCThijCyD1ApHlvA1%40thread.tacv2/1676303185301?context=
=3D%7b%22Tid%22%3a%221454f5cc-bb35-4685-bbd9-8621fd8055c9%22%2c%22Oid%22%3a=
%22f323c4f6-7fb7-43ee-93a3-a199f6cf3430%22%7d

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Date:         Fri, 28 Apr 2023 12:53:03 +0000
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From:         Isaac Burke 
Subject: maths: MU Maths-Stats Colloquium, Wednesday 3rd May
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Dear colleagues,

Next week's MU Mathematics and Statistics Colloquium takes place as usual o=
n Wednesday 3rd May at 3pm in MS2, Logic House, Maynooth University. See be=
low for details. All are welcome.

Best wishes,
Isaac

___________________________________________________________________________

Speaker: Dr Alison Reddy, University of Illinois Urbana-Champaign

Title: Transitioning to Higher Education and Gateway Mathematics Course Out=
comes (Perspective from a Large USA Public Research University)

Abstract: Students arrive at university with diverse mathematical backgroun=
ds. This results in a diversity of mathematical knowledge, augmented by the=
 fact that what constitutes previous mathematical coursework at the various=
 institutions varies greatly, as do grading procedures used by different se=
condary schools, confounding traditional indicators of students=92 mathemat=
ical knowledge and maturity. Getting students started, and retaining them, =
in the appropriate mathematics course is important for their mathematical s=
uccess and success on campus in general. Thus, there is a great need to eva=
luate preparedness precisely and to implement placement policies, best educ=
ational practices, learning supports, and course designs effectively.

Alison Reddy=92s talk aims to spark conversations around the critical issue=
s of a successful transition to higher education mathematics courses at a l=
arge USA public research university. Collected data will be shared.

___________________________________________________________________________

title:: MU Maths-Stats Colloquium
content:: Dr Alison Reddy
:: University of Illinois Urbana-Champaign
:: presents a talk entitled "Transitioning to Higher Education and Gateway =
Mathematics Course Outcomes (Perspective from a Large USA Public Research U=
niversity)"
date-time:: 3rd May 2023 at 3pm
location:: Room MS2, Logic House, Maynooth University
endevent::


--_000_AM6PR02MB413478EDD17851CC83A52D47FC6B9AM6PR02MB4134eurp_
Content-Type: text/html; charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable








Dear colleagues,



Next week's MU Mathematics and Statistics =
Colloquium
takes place as usual on Wednesday 3rd May at 3pm in MS2, Logic H=
ouse, Maynooth University. See below for details. All are welcome.



Best wishes,
Isaac



_____________________________________________=
______________________________



Speaker: Dr Alison Reddy, University o=
f Illinois Urbana-Champaign



Title: Transitioning to Higher Educati=
on and Gateway Mathematics Course Outcomes (Perspective from a Large USA Pu=
blic Research University)



Abstract: Students arrive at universit=
y with diverse mathematical backgrounds. This results in a diversity of mat=
hematical knowledge, augmented by the fact that what constitutes previous m=
athematical coursework at the various
 institutions varies greatly, as do grading procedures used by different se=
condary schools, confounding traditional indicators of students=92 mathemat=
ical knowledge and maturity. Getting students started, and retaining them, =
in the appropriate mathematics course
 is important for their mathematical success and success on campus in gener=
al. Thus, there is a great need to evaluate preparedness precisely and to i=
mplement placement policies, best educational practices, learning supports,=
 and course designs effectively.



Alison Reddy=92s talk aims to spark conversat=
ions around the critical issues of a successful transition to higher educat=
ion mathematics courses at a large USA public research university. Collecte=
d data will be shared.



_____________________________________________=
______________________________



title:: MU Maths-Stats Colloquium
content:: Dr Alison Reddy
:: University of Illinois Urbana-Champaign
:: presents a talk entitled "Transitioni=
ng to Higher Education and Gateway Mathematics Course Outcomes (Perspective=
 from a Large USA Public Research University)"
date-time:: 3rd May 2023 at 3pm
location:: Room MS2, Logic House, Maynooth Un=
iversity
endevent::







--_000_AM6PR02MB413478EDD17851CC83A52D47FC6B9AM6PR02MB4134eurp_--

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Date:         Fri, 28 Apr 2023 13:43:25 +0000
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Subject: Maths: 6th Irish History of Mathematics Conference IHoM6 =?Windows-1252?Q?=96_?=first announcement
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Dear colleagues,


The sixth Irish conference on the History of Mathematics (IHoM6) will be he=
ld at Maynooth University on Wednesday 30th August 2023.


Abstracts (of no more than 150 words) are invited for presentation at IHoM6=
, on or before 9th June. Please send to ciaran.macanbhaird mu.ie It is envi=
saged that each presentation will be allocated approximately 40 minutes (in=
cluding 10 minutes for questions).


If you are interested in attending the conference whether or not you would =
like to present, you can register at the conference webpage (https://www.ma=
ynoothuniversity.ie/mathematics-and-statistics/IHoMC6). There will be no re=
gistration fee, though depending on funding, participants may have to cover=
 the cost of their lunch.


Participants may also be interested in attending the Consonances conference=
, which also runs at Maynooth University from Wednesday the 30th (after IHo=
M6 finishes) until Friday the 1st of September. Further details on this con=
ference, which covers aspects of the history and philosophy of mathematics =
and science, will be announced shortly.


Le meas,


Ciar=E1n


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_DB7PR02MB36426FAA438AF5915FB3E50B8C6B9DB7PR02MB3642eurp_
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Dear
 colleagues, 











The
sixth&nbs=
p;Irish conference on the History of Mathematics
 (IHoM6) =
will be held
at Maynooth University on
Wednesday 30<=
/span>th
August&nb=
sp;2023. 

=






Abstracts
 (of no more than 150 words) are invited for presentation at IHoM6,
on
 or before 9th
June.
Please
send =
;to
ciaran.macanbhaird mu.ie It
 is envisaged that each presentation will =
be
allocated=
 app=
roximately
40 minutes (including 10 minutes for quest=
ions). 

=






If
 you are interested in attending the conference whether or not you
 would like to present, you can register a=
t the conference webpage
(h=
ttps://www.maynoothuniversity.ie/mathematics-and-statistics/IHoMC6). There
 will be no registration fee, though depending on funding, participants may=
 have to cover the cost of their lunch. 

=






Participants
 may also be interested in attending the
Consonances conference,
 which also runs at Maynooth University from Wednesday the 30=
th (after
 IHoM6&nb=
sp;finishes) until Friday the 1st of
 September.
Further d=
etails
on this
 conference, which covers aspects of
the history and philosophy of mathematics and
science,
 will be announced shortly.  

=






Le
meas, 

=






Ciar=
=E1n










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  Tue Apr  2 10:07:23 2024
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Reply-To:     Stefano Lia 
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From:         Stefano Lia 
Subject: maths: DCU-UCD Discrete Math Seminars, Friday 5th April at 15.30
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Dear colleagues

The next DCU-UCD Discrete Mathematics seminar will take place *Friday 5th
April at 15.30*.
You can find all the information about the previous and next seminars at
the page https://sites.google.com/view/dcucd-discrete-maths/home.

DCUCD Discrete Mathematics Seminar - Seminar Notice

*Speaker:*  Alena Ernst (Paderborn)
*Title:* Designs in finite general linear groups
*Date:* Friday 5th April 2024
*Time: *15.30
*Location:*  49 Merrion Square East
,
Phelan Room

*Abstract:* It is known that the notion of a transitive subgroup of a
permutation group G extends naturally to subsets of G.  It turns out that
transitive subsets of the symmetric group give a combinatorial
interpretation of the rather algebraic Delsarte T-designs in the
corresponding association scheme. In this talk we give an overview of
results known for the symmetric group and discuss a q-analog setting: we
characterise Delsarte T-designs in the finite general linear group GL(n,q)
in terms of subsets of GL(n,q) acting transitively on flag-like structures.

Best,
Stefano Lia, Padraig =C3=93 Cath=C3=A1in, Ronan Egan, Eimear Byrne, John Sh=
eekey

--0000000000006d0cd006151941d8
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Dear colleagues
The next DCU-UCD Discrete Mathematics seminar will tak=
e place=C2=A0Friday 5th April at 15.30.=C2=A0
You can find=
 all the information about the previous and next seminars at the page=C2=A0=
https://sites.google.com/view/dcuc=
d-discrete-maths/home.=C2=A0

DCUC=
D Discrete Mathematics Seminar - Seminar Notice
Speaker:=
=C2=A0

Alena Ernst (Paderborn)
Title:=C2=A0Designs in =
finite general linear groups
Date:=C2=A0Friday =
5th April 2024
Time:=C2=A015.30
Location:=C2=A0 49 Merrion Square East, Phelan Room
Abstract:=
=C2=A0It is known that the notion of a transitive subgroup of a permutation=
 group G extends naturally to subsets of G.=C2=A0 It turns out that transit=
ive subsets of the symmetric group give a combinatorial interpretation of t=
he rather algebraic Delsarte T-designs in the corresponding association sch=
eme. In this talk we give an overview of results known for the symmetric gr=
oup and discuss a q-analog setting: we characterise Delsarte T-designs in t=
he finite general linear group GL(n,q) in terms of subsets of GL(n,q) actin=
g transitively on flag-like structures.

Best,
Stefano Lia, Padraig =C3=93 Ca=
th=C3=A1in, Ronan Egan, Eimear Byrne, John Sheekey

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Subject: maths: DIAS Zoominar Thursday April 4th 14:30 speaker Alfonso Garmendia
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Dear Colleagues,
                 please join us for our upcoming Theoretical Physics Seminar at
14:30 Thursday April 4th by Alfonso Garmendia.  The seminar will be a 
Zoom only lecture via the link:

Date: Thursday April 4th
Time: 14:30
https://us02web.zoom.us/j/6199730148?pwd=SjVGcTJWQmZZNndHenMyRStsL0lKdz09
Meeting ID: 619 973 0148
Password: 122512

                          Alfonso Garmendia
                    Centre de Recerca Matemàtica
                   de I’Institut d’Estudis Catalans
                        Barcelona

Title: Frame PB-groupoid of a VB-groupoid

Abstract: Principal bundles are essential objects in gauge theories. A 
basic example of a principal bundle is the frames (or pointwise ordered 
basis) of a vector bundle on a manifold. Using this principal bundle one 
can relate geometric connections, reduction and different structures on 
the underlying manifold.  In this talk, we explore properties of some 
special principal bundle. This is the set of some frames on the tangent 
vector bundle TG, where G is not only a manifold, but the space of arrows 
of a Lie groupoid, i.e. TG is a (vector bundle or) VB groupoid. This 
principal bundle will also be a PB groupoid.


With best wishes,
Denjoe.
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Subject: TCD Dublin Mathematics Colloquium with Daniel Douglas | April 4, 4:00 PM, Synge
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Dear Colleagues,

It is our pleasure to invite you to this week=92s Dublin Mathematics Colloq=
uium (https://www.maths.tcd.ie/~dmc/) which takes place on Thursday April 4=
th, 4pm in the Synge lecture theatre. Our speaker is Daniel Douglas (Max Pl=
anck Institute for Mathematics in the Sciences in Leipzig), who will speak =
about:

title: SL(n) skein algebras of surfaces
abstract: In Edward Witten=92s landmark 1989 paper =93Quantum Field Theory =
and the Jones Polynomial=94, to a closed 3-manifold equipped with a colored=
 link (a color being a finite dimensional representation of SU(n)) is assig=
ned a numerical invariant, computed by taking the Feynman path integral of =
the Chern-Simons functional over all gauge equivalence classes of SU(n) con=
nections on the manifold. This invariant also depends on the quantum level =
k. In the classical limit as k goes to infinity, only the stationary points=
 of the Chern-Simons functional contribute, namely the flat connections up =
to gauge equivalence. In other words, the stationary points correspond to t=
he *character variety* consisting of group homomorphisms from the fundament=
al group of the manifold to SU(n) up to conjugation.
*Skein modules* are deformation quantizations of character varieties. A lin=
k in the 3-manifold represents an element of the skein module. In this talk=
, we will focus on SL(n) skein modules where the 3-manifold is a thickened =
surface, such as a solid torus (a thickened annulus). In this setting, skei=
n modules acquire an algebra structure by stacking diagrams with respect to=
 the direction of thickening. A challenging problem is to construct canonic=
al generating sets for these *skein algebras*. It turns out that, in additi=
on to links, it is advantageous to enlarge the class of topological objects=
 being considered to include certain n-valent graphs called *webs*. We will=
 discuss recent work in this direction, joint with Tommaso Cremaschi.


Best regards,
Marvin Anas Hahn and Florian Naef


title:: Dublin Mathematics Colloquium
content:: Daniel Douglas will speak on
:: SL(n) skein algebras of surfaces
:: https://www.maths.tcd.ie/~dmc/
date-time:: Thursday, April 4th at 4:00pm
location:: Synge Lecture Theatre, Hamilton Building, TCD

--_000_AM9PR02MB7545FD0568CB8754F805936BC13E2AM9PR02MB7545eurp_
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Dear Colleagues,





It is our pleasure to invite you to this week=92s Dublin Mathematics Colloq=
uium (https://www.maths.tcd.ie/~dmc/) which takes place on
Thursday April 4th, 4pm in the Synge lecture theatr=
e. Our speaker is
Daniel Douglas (Max Planck Institute for Mathematics in the Sci=
ences in Leipzig), who will speak about:





title: SL(n) skein algebras of surfaces

abstract: In Edward Witten=92s landmark 1989 paper =93Quantum Field Theory =
and the Jones Polynomial=94, to a closed 3-manifold equipped with a colored=
 link (a color being a finite dimensional representation of SU(n)) is assig=
ned a numerical invariant, computed by
 taking the Feynman path integral of the Chern-Simons functional over all g=
auge equivalence classes of SU(n) connections on the manifold. This invaria=
nt also depends on the quantum level k. In the classical limit as k goes to=
 infinity, only the stationary points
 of the Chern-Simons functional contribute, namely the flat connections up =
to gauge equivalence. In other words, the stationary points correspond to t=
he *character variety* consisting of group homomorphisms from the fundament=
al group of the manifold to SU(n)
 up to conjugation.

*Skein modules* are deformation quantizations of character varieties. A lin=
k in the 3-manifold represents an element of the skein module. In this talk=
, we will focus on SL(n) skein modules where the 3-manifold is a thickened =
surface, such as a solid torus (a
 thickened annulus). In this setting, skein modules acquire an algebra stru=
cture by stacking diagrams with respect to the direction of thickening. A c=
hallenging problem is to construct canonical generating sets for these *ske=
in algebras*. It turns out that,
 in addition to links, it is advantageous to enlarge the class of topologic=
al objects being considered to include certain n-valent graphs called *webs=
*. We will discuss recent work in this direction, joint with Tommaso Cremas=
chi.









Best regards,

Marvin Anas Hahn and Florian Naef









title:: Dublin Mathematics Colloquium

content:: Daniel Douglas will speak on

:: SL(n) skein algebras of surfaces

:: https://www.maths.tcd.ie/~dmc/

date-time:: Thursday, April 4th at 4:00pm

location:: Synge Lecture Theatre, Hamilton Building, TCD



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UCD School of Mathematics and Statistics - Seminar Notice=0D
=0D
 =0D
	Speaker: C. Boyd=0D
 =0D
	Title: The Regular Radius of Convergence=0D
=0D
 =0D
	Date: Tue 9th April 2024=0D
 =0D
	Time: 3:00PM=0D
 =0D
	Location: E0.32 (beside Pi restaurant)=0D
=0D
Abstract: We will begin by recalling the definition of a complex Banach lat=
tice, regular homogeneous polynomial and the modulus, $|P_m|$, of a regular=
 polynomial $P_m$. Given a Taylor series, $f=3D\sum_{m=3D0}^\infty P_m$, ab=
out $a$ in a complex Banach lattice $E$ with each $P_m$ a regular $m$-homog=
eneous polynomial we define the radius of regular convergence of $f$, $|r|(=
f,a)$, as the supremium of $\rho>0$ such that $\sum_{m=3D0}^\infty|P_m|$ co=
nverges on $B(a,\rho)$. We extend the definition of homogeneous Bohr radius=
 of Defant, Garc{\'\i}a and Maestre to Banach lattice and see how these rad=
ii determine a lower bound for the ratio between the radius=0D
of regular convergence and the (standard) radius of convergence. This allow=
s us to determine the radius of regular convergence for specific Banach lat=
tices and uncover the relationship between Taylor series and monomial conve=
rgence=0D
on Banach spaces with an unconditional basis.=0D
=0D
=0D
This is joint work with R. Ryan and N. Snigireva.=0D
=0D
=0D
https://ucd-ie.zoom.us/j/67395313846=0D
=0D
Further information: https://ucd-ie.zoom.us/j/67395313846 =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:: The Regular Radius of Convergence=0D
content:: C. Boyd =0D
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis) =0D
location:: E0.32 (beside Pi restaurant)=0D
date-time:: Tue 9th April 2024 at 3:00PM=20=


----+--1712139211--+--
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UCD School of Mathematics and Statistics - Seminar Notice





 


	Speaker:  C. Boyd


 


	Title: The Regular Radius of Convergence





 


	Date: Tue 9th April 2024


 


	Time: 3:00PM


 


	Location: E0.32 (beside Pi restaurant)





Abstract: We will begin by recalling the definition of a complex Banach lattice, regular homogeneous polynomial and the modulus, $|P_m|$, of a regular polynomial $P_m$. Given a Taylor series, $f=\sum_{m=0}^\infty P_m$, about $a$ in a complex Banach lattice $E$ with each $P_m$ a regular $m$-homogeneous polynomial we define the radius of regular convergence of $f$, $|r|(f,a)$, as the supremium of $\rho>0$ such that $\sum_{m=0}^\infty|P_m|$ converges on $B(a,\rho)$. We extend the definition of homogeneous Bohr radius of Defant, Garc{\'\i}a and Maestre to Banach lattice and see how these radii determine a lower bound for the ratio between the radius


of regular convergence and the (standard) radius of convergence. This allows us to determine the radius of regular convergence for specific Banach lattices and uncover the relationship between Taylor series and monomial convergence


on Banach spaces with an unconditional basis.








This is joint work with R. Ryan and N. Snigireva.








https://ucd-ie.zoom.us/j/67395313846





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:: The Regular Radius of Convergence


content:: C. Boyd 


:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis) 


location:: E0.32 (beside Pi restaurant)


date-time:: Tue 9th April 2024 at 3:00PM 
----+--1712139211--+----

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From:         Jan Manschot 
Subject: maths: Theoretical Physics Seminar - TCD - 12 April
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TCD THEORETICAL PHYSICS SEMINAR

In combination with the =C5=81ukasiewicz lecture, =
https://www.maths.tcd.ie/outreach/lukasiewicz/ , Piotr Su=C5=82kowski =
(University of Warsaw) will give a Theoretical Physics Seminar:

Friday, 12 April 2024, 11:00 am

Maxwell Theatre
Hamilton Building
Trinity College Dublin

Speaker: Piotr Su=C5=82kowski (University of Warsaw)

Title: Knots-quivers correspondence and counting of lattice paths

Abstract: I will summarize the status of the knots-quivers =
correspondence and present how it relates counting of BPS states to =
combinatorics of lattice paths.

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::Piotr Su=C5=82kowski (University of Warsaw)
::Knots-quivers correspondence and counting of lattice paths::
date-time:: 12 April 2024 at 11:00 am
location::Maxwell Theatre, Hamilton Building, TCD
endevent::



--Apple-Mail=_8F25C47A-8365-4ABC-A3BB-0810B4106CE3
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	charset=utf-8

TCD =
THEORETICAL PHYSICS SEMINAR

In combination with the =C5=81ukasiewic=
z lecture, https://www.maths.=
tcd.ie/outreach/lukasiewicz/ , Piotr =
Su=C5=82kowski (University of Warsaw) will give a Theoretical =
Physics Seminar:

Friday, 12 April 2024, 11:00 am

Maxwell =
TheatreHamilton Building
Trinity College =
Dublin

Speaker: Piotr Su=C5=82kowski (University of =
Warsaw)

Title: Knots-quivers correspondence and =
counting of lattice =
paths
Abstract: I will summarize =
the status of the knots-quivers correspondence and present how it =
relates counting of BPS states to combinatorics of lattice =
paths.

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::Piotr =
Su=C5=82kowski (University of Warsaw)
::Knots-quivers =
correspondence and counting of lattice paths::
date-time:: 12 =
April 2024 at 11:00 am
location::Maxwell Theatre, Hamilton Building, =
TCD
endevent::


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Subject: maths: Groups in Galway 2024 [second announcement]
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Hi all,

This is the second announcement of the conference Groups in Galway 2024 whi=
ch will take place at the University of Galway from 16-17 May 2024.

Speakers:

  *
Alex Evetts (University of Manchester)
  *
Anna Giordano Bruno (University of Udine)
  *
Itay Glazer (University of Oxford) [TBC]
  *
Waltraud Lederle (Dresden University of Technology)
  *
Mireille Soergel (Max Planck Institute for Mathematics in the Sciences)
  *
Mima Stanojkovski (University of Trento)
  *
Matteo Vannacci (University of the Basque Country)
  *
Andoni Zozaya (University of Ljubljana)

All who are interested are invited to attend!  For further information (inc=
l. a registration form), please keep an eye on the conference web page: htt=
ps://groupsingalway.github.io/

Hoping to see you at the University of Galway in May,
Angela Carnevale, Joshua Maglione, and Tobias Rossmann

PS We just advertised a lectureship in mathematics: https://universityvacan=
cies.com/university-galway/lecturer-mathematics-permanent-1fte-contract-typ=
e-b

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Hi all,





This is the second announcement of the conference Groups in&nb=
sp;Galway 2024 which will take place at the University o=
f Galway from 16-17 May 2024.





Speakers:



Alex Evetts (University of Manchester)


Anna Giordano Bruno (University of Udine)


Itay Glazer (University of Oxford) [TBC]


Waltraud Lederle (Dresden University of Technology)


Mireille Soergel (Max Planck Institute for Mathematics in th=
e Sciences)


Mima Stanojkovski (University of Trento)


Matteo Vannacci (University of the Basque Country)


Andoni Zozaya (University of Ljubljana)


All who are interested are invited to attend!  For further&n=
bsp;information (incl. a registration form), please keep an eye on the conf=
erence web page:

https://groupsingalway.github.io/





Hoping to see you at the University of Galway in May,

Angela Carnevale, Joshua Maglione, and Tobias Rossmann





PS We just advertised a lectureship in mathematics: 
https://universityvacancies.com/university-galway/lecturer-mathematics-perm=
anent-1fte-contract-type-b



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Date:         Thu, 4 Apr 2024 15:45:34 +0000
Reply-To:     "Snigireva, Nina" 
Sender:       UCD Maths Department Distribution List 
From:         "Snigireva, Nina" 
Subject: maths: 22nd Galway Topology Colloquium
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Hi all,

We are pleased to announce the 22nd Galway Topology Colloquium which will t=
ake place at the University of Galway on 4-5 June 2024.

Speakers include

  *
Paul Bankston (Marquette University, USA)
  *
KP Hart (TU Delft)
  *
Richard Smith (UCD)
  *
Stephen Watson (York University, Toronto)

Further information (including a registration form) can be found on the con=
ference web page: https://maths.nuigalway.ie/galwaytopology/ We'll keep thi=
s page updated so please do check back there from time to time.

Looking forward to seeing some of you in June!

Le gach dea-ghu=ED,

Aisling McCluskey and Nina Snigireva

PS Please note (and do consider sharing) our newly advertised lectureship i=
n mathematics: https://universityvacancies.com/university-galway/lecturer-m=
athematics-permanent-1fte-contract-type-b



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Hi all,





We are pleased to announce the 22nd Galway Topology Colloquium =
which will take place at the University of Galway on 4-5 June 202=
4. 





Speakers include



Paul Bankston (Marquette University, USA) 


KP Hart (TU Delft)


Richard Smith (UCD)


Stephen Watson (York University, Toronto)






Further information (including a registration form) can be found on th=
e conference web page:

https://maths.nuigalway.ie/galwaytopology/ We'll keep this page up=
dated so please do check back there from time to time. 





Looking forward to seeing some of you in June!





Le gach dea-ghu=ED, 



Aisling McCluskey and Nina Snigireva





PS Please note (and do consider sharing) our newly advertised lectureship i=
n mathematics:

https://universityvacancies.com/university-galway/lecturer-mathematics-perm=
anent-1fte-contract-type-b









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From:         Kazim Buyukboduk 
Subject: maths: Algebra and Number Theory seminar, Thu 11th April 2024
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UCD School of Mathematics and Statistics - Seminar Notice


	*Speaker:* Emine Yildirim Kaygun (Leeds)

	*Title:* Exploring Combinatorial Windmills across Algebraic Landscape


	*Date:* Thu 11th Apr 2024

	*Time:* 2:00PM

	*Location:* Science East, Room 0.32 ("next to =CF=80")
*Abstract:* In this talk, we will delve into a combinatorial object
known as "Friezes," first introduced by Conway and Coxeter in 1973.
These objects reside at the nexus of various mathematical structures,
ranging from cluster variables in cluster algebras to representations
over certain path algebras. Our objective is to extend the classical
concept of Conway-Coxeter Friezes to a broader context and show their
interesting properties. This presentation serves as an exposition of
collaborative work with K. Baur, L. Bittman, E. Gunawan, and G.
Todorov. If time permits, we will explore more on computational
aspects which is another collaborative work with E. Kantarc=C4=B1 O=C4=9Fuz=
.

*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:: Exploring Combinatorial Windmills across Algebraic Landscape
content:: Emine Yildirim Kaygun (Leeds)
:: 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 11th Apr 2024 at 2:00PM

--0000000000005bbfe406155466ca
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

UCD School of Mathemati=
cs and Statistics - Seminar Notice

=20
	Speaker: Emine Yildirim Kaygun (Leeds)
=20
	Title: Exploring Combinatorial Windmills across Algebraic Landscape

=20
	Date: Thu 11th Apr 2024
=20
	Time: 2:00PM=20
=20
	Location: Science East, Room 0.32 ("next to =CF=80")

Abstract: In this talk, we will delve into a combinatorial object kn=
own as "Friezes," first introduced by Conway and Coxeter in 1973.=
 These objects reside at the nexus of various mathematical structures, rang=
ing from cluster variables in cluster algebras to representations over cert=
ain path algebras. Our objective is to extend the classical concept of Conw=
ay-Coxeter Friezes to a broader context and show their interesting properti=
es. This presentation serves as an exposition of collaborative work with K.=
 Baur, L. Bittman, E. Gunawan, and G. Todorov. If time permits, we will exp=
lore more on computational aspects which is another collaborative work with=
 E. Kantarc=C4=B1 O=C4=9Fuz.
Fur=
ther information: https://maths.ucd.ie/~kazim_b/UCD_ANT_Seminar.h=
tml=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:: Exploring Combinatorial Windmills across Algebraic Landscape
content:: Emine Yildirim Kaygun (Leeds)
:: 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 11th Apr 2024 at 2:00PM

--0000000000005bbfe406155466ca--

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Message-ID:  
Date:         Fri, 5 Apr 2024 12:24:58 +0000
Reply-To:     "Madden, Niall" 
Sender:       UCD Maths Department Distribution List 
From:         "Madden, Niall" 
Subject: maths: Permanent Lectureship in Mathematics, University of Galway
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Colleagues,

The School of Mathematical and Statistical Sciences at University of Galway=
 invites applications for a full-time permanent Lectureship in Mathematics:
https://universityvacancies.com/university-galway/lecturer-mathematics-perm=
anent-1fte-contract-type-b
Salary scale is =8059,801 to =8095,401 p.a.

The deadline for applications is 16 May 2024. The post starts from 1 August=
, or as soon after as possible.
The successful candidate will contribute to teaching, graduate student supe=
rvision, and research activities within the School of Maths, and the de Br=
=FAn Centre for Mathematics in particular:  https://www.universityofgalway.=
ie/researchcentres/collegeofscience/debrun-centre/

For informal enquiries, contact Niall Madden (Niall.Madden UniversityOfGalw=
ay.ie).
To apply, go to https://www.universityofgalway.ie/about-us/jobs/ (and then =
"Academic Vacancies" ... ref  #0 010272)

Niall.


 ---

Dr Niall Madden
L=E9acht=F3ir Sinsearach  |  Senior Lecturer

Scoil na nEola=EDochta=ED Matamaitice agus Staitistice
School of Mathematical and Statistical Sciences
Web: niallmadden.ie/ 
First name: Niall, pronounced =93Knee=94 - =93Al=94 #StartsWithAName
Pronouns: He/Him.


[University of Galway]      [University=
ofGalway.ie] 

Uimhir Carthanachta Cl=E1raithe/Registered Charity Number 20002107




--_000_DU2PR01MB8080772C369ADD601E1E773E9F032DU2PR01MB8080eurp_
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Colleagues, 





The School of Mathematical and Statistical Sciences at University of Galway=
 invites applications for a full-time permanent Lectureship in Mathematics:=
 

https://universit=
yvacancies.com/university-galway/lecturer-mathematics-permanent-1fte-contra=
ct-type-b

Salary scale is =8059,801 to =8095,401 p.a.





The deadline for applications is 16 May 2024. The post starts from 1=
 August, or as soon after as possible.

The successful candidate will contribute to teaching, graduate student supe=
rvision, and research activities within the School of Maths, and the de Br=
=FAn Centre for Mathematics in particular: 

https://www.universityofgalway.ie/researchcentres/collegeofscience/debrun-c=
entre/





For informal enquiries, contact Niall Madden (Niall.Madden UniversityOfGalw=
ay.ie). 

To apply, go to 
https://www.universityofgalway.ie/about-us/jobs/ (and then "A=
cademic Vacancies" ... ref  #0 010272) 





Niall.





&nbs=
p;---





Dr Niall Madden





L=E9acht=F3ir Sinsearach  |  Senior Lecturer










Scoil na nEola=EDochta=ED Matamaitice agus Staitistice





School of Mathematical and Statistical Sciences





Web: niallmadden.ie/  <=
br>
First name: Niall, pronounced =93Knee=94 - =93Al=94 #StartsWithAName

Pronouns: He/Him.





 















 




Uimhir Carthanachta Cl=E1raithe/Registered Charity Number 20002107



 



 




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Subject: maths: MU Maths-Stats Colloquium, Wednesday 10th April: Jochen Einbeck
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Dear colleagues,

Next week's speaker is Prof. Jochen Einbeck (Durham University), speaking o=
n "On densities, modes, and antimodes". The colloquium takes place as usual=
 on Wednesday 10 April 2024 at 3pm in MS2, Logic House, Maynooth University=
. See below for full details.

All are welcome!

Cheers,
Ian

___________________________________________________________________________

Speaker: Prof. Jochen Einbeck, Durham University

Title: On densities, modes, and antimodes

Abstract: We begin this talk with illustrating, using Durham University Obs=
ervatory data, why the estimation of modes for continuous data necessarily =
requires a population-level perspective, and hence relates to the problem o=
f estimating the density function of the underlying continuous distribution=
.  We will then illustrate that the density modes can be estimated directly=
 through the "mean shift", an iterative technique conceptually based on the=
 estimated density (but not requiring its estimation), which is well known =
in the computer science literature. The novel contribution of this talk is =
the extension of this methodology towards the estimation of "antimodes" =96=
 that is, local minima of the data density, or points "where the likelihood=
 of observing data increases in any direction you move away from it". It is=
 shown how estimation of antimodes can be achieved through an inverse versi=
on of the mean shift procedure. The methodology is illustrated through univ=
ariate and bivariate real data.

___________________________________________________________________________

title:: MU Maths-Stats Colloquium
content:: Prof. Jochen Einbeck
:: Durham University
:: presents a talk entitled "On densities, modes, and antimodes."
date-time:: 10 April 2024 at 3pm
location:: Room MS2, Logic House, Maynooth University
endevent::

--_000_PA6PR02MB106477FA308CA0605CBD9E08F87032PA6PR02MB10647eu_
Content-Type: text/html; charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable








Dear colleagues,





Next week's speaker is Prof. Jochen Einbeck (Durham University), speaking o=
n "On densities, modes, and antimodes". The colloquium takes plac=
e as usual on Wednesday 10 April 2024 at 3pm in MS2, Logic House, Maynooth =
University. See below for full details.





All are welcome!





Cheers,

Ian





___________________________________________________________________________=






Speaker: Prof. Jochen Einbeck, Durham University





Title: On densities, modes, and antimodes





Abstract: We begin this talk with illustrating, using Durham University Obs=
ervatory data, why the estimation of modes for continuous data necessarily =
requires a population-level perspective, and hence relates to the problem o=
f estimating the density function
 of the underlying continuous distribution.  We will then illustrate t=
hat the density modes can be estimated directly through the "mean shif=
t", an iterative technique conceptually based on the estimated density=
 (but not requiring its estimation), which is well
 known in the computer science literature. The novel contribution of this t=
alk is the extension of this methodology towards the estimation of "an=
timodes" =96 that is, local minima of the data density, or points &quo=
t;where the likelihood of observing data increases
 in any direction you move away from it". It is shown how estimation o=
f antimodes can be achieved through an inverse version of the mean shift pr=
ocedure. The methodology is illustrated through univariate and bivariate re=
al data.





___________________________________________________________________________=






title:: MU Maths-Stats Colloquium

content:: Prof. Jochen Einbeck

:: Durham University

:: presents a talk entitled "On densities, modes, and antimodes."=


date-time:: 10 April 2024 at 3pm

location:: Room MS2, Logic House, Maynooth University

endevent::



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Subject: maths: Annual Meeting of the Irish Mathematical Society
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This year's edition of the

Annual "September" Meeting of the Irish Mathematical Society

will be held on Thursday 29 and Friday 30 August 2024 in the
Mathematical Sciences Research Centre of Queen's University Belfast.

See  ims2024.martinmathieu.net
where all relevant information will be posted.

The programme will consist of four invited plenary lectures and contributed=
 talks and posters by the participants.
More information on the latter will become available in due course.

All enquiries should be sent to  info ims2024.martinmathieu.net

The local Organising Committee
Martin Mathieu, Thomas H=FCttemann and Salissou Moutari.


---------------------------------------------------------------------------=
------
Prof. Dr. Martin Mathieu, MRIA
Professor of Pure Mathematics
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_AM9PR07MB7827FFFDFCFF24213D20B470AE022AM9PR07MB7827eurp_
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This year’s edition of the
 
Annual “September” Meeting of the Irish Mathematical=
 Society
 
will be held on Thursday 29 and Friday 30 August 2024 in the
Mathematical Sciences Research Centre of Queen’s University Belf=
ast.
 
See  
ims2024.martinmathieu.net 
where all relevant information will be posted.
 
The programme will consist of four invited plenary lectures and contri=
buted talks and posters by the participants.
More information on the latter will become available in due course.
 
All enquiries should be sent to 
info ims2024.martinmathie=
u.net
 
The local Organising Committee
Martin Mathieu, Thomas H=FCttemann and Salissou Moutari.
 
 
--------------=
-------------------------------------------------------------------<=
span lang=3D"DE" style=3D"font-family:"Calibri",sans-serif;mso-fa=
reast-language:EN-GB">
Prof. Dr. Mart=
in Mathieu, MRIA
Professor of Pure Mathemat=
ics
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.u=
k
URL
h=
ttp://maths.martinmathieu.net
Tel +44 28 9097 1321
Fax +44 28 9097 1541
Mob +44 7976 758908=

 




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noemail::
title:: UCD COLLOQUIUM SERIES
content:: Professor  GILLES GODEFROY    (IMJ Paris) will speak
on:: Existence and uniqueness of isometric preduals
date-time:: Monday 29th April, 2024  at 14.00
location:: UCD  Science East, Room 0.32
endevent::

--00000000000020ca0306157dc367
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noemail::
title::=C2=A0UCD=C2=A0COLLOQUIUM=C2=A0SERIEScontent:: Professor=C2=A0=C2=A0GILLES=C2=A0GODEFROY=C2=A0 =C2=A0=C2=A0(IMJ =
Paris) will speak=C2=A0
on::=C2=A0Existence and uniqueness of isometric pr=
eduals
date-time:: M=
onday 29th April, 2024=C2=A0 at 14.00=C2=A0
location::=C2=A0UCD=C2=A0=C2=A0Science East=
, Room 0.32=C2=A0
endevent::

<=
/div>

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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 Gilles Godefroy  (IMJ Paris)



*TITLE:   *Existence and uniqueness of isometric preduals

*TIME *: Monday 29th April  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:  Every Banach space $X$ has a dual space $X^*$ consisting of all
the continuous linear forms on $X$. Easy examples show that the duality
arrow $X \mapsto X^*$ is not one-to-one. Also, some Banach spaces are
isometric to dual spaces but not all of them, and it can be difficult to
decide when a space has an isometric predual. We will display some
elementary tools which lead to natural results along these lines. We will
also exhibit links between duality issues and the structure of Banach
lattices and Banach algebras

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

--0000000000005f355f06157dea43
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=C2=A0

=C2=A0<=
/p>

=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 Gilles Godefroy =C2=A0(IMJ Paris)

=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=A0Existence and
uniqueness of isometric preduals

TIME=C2=A0: Monday 29th
April=C2=A0 2024 ,=C2=A0 14.00=E2=80=9414.50 =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 Ever=
y
Banach space $X$ has a dual space $X^*$ consisting of all the continuous li=
near
forms on $X$. Easy examples show that the duality arrow $X \mapsto X^*$ is =
not
one-to-one. Also, some Banach spaces are isometric to dual spaces but not a=
ll
of them, and it can be difficult to decide when a space has an isometric
predual. We will display some elementary tools which lead to natural result=
s
along these lines. We will also exhibit links between duality issues and th=
e
structure of Banach lattices and Banach algebras

=C2=A0
-- <=
/span>
D=
r Hermann RenderUniversity College Dublin=C2=A0
School of Math=
ematics and Statistics
Dublin, Ireland

=


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From:         Hermann Render 
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noemail::
title:: UCD COLLOQUIUM SERIES
content:: Professor  WILFRID KENDALL  (University of Warwick) will speak
on:: Wandering around a fibrous network when all the paths look very much
alike
date-time:: Wednesday 24th April, 2024  at 14.00
location:: UCD  Science East, Room 0.32
endevent::

--00000000000082201906157e28eb
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D=C2=A0COLLOQUIUM=C2=A0SERIES
content:: Professor=C2=A0=C2=A0WILFRID KENDALL=
=C2=A0=C2=A0(University of Warwick) will speak=C2=A0
on:: Wandering a=
round a fibrous network when all the paths look very much alike
d=
ate-time:: Wednesd=
ay 24th April,=
 2024=C2=A0 at 14.00=C2=A0
location=
::=C2=A0UCD=C2=A0=C2=A0Science East, Room 0.32=C2=A0
endevent::
=C2=A0=C2=A0



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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 Wilfrid Kendall  (University of Warwick)



*TITLE:   *Wandering around a fibrous network when all the paths look very
much alike

*TIME *: Wednesday 24th April  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:   I will give an overview of work I have been interested in for
the last decade or so, concerned with generating models based on Poisson
processes which supply insight into route-finding and traffic flows.
Initial constructions (Aldous 2014, Kahn 2016, Kendall 2017) showed
existence of such models satisfying the SIRSN axioms formulated by Aldous
(2014). But these constructions all involve infinitely long linear paths,
and in particular do not easily admit local influences. Can one do better?
I shall discuss recent work showing that SIRSN can indeed arise under far
less stringent conditions, based on line segments or even suitably stiff
fibres.



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

--000000000000aad49206157e4ebe
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Content-Transfer-Encoding: quoted-printable

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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

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 Wilfrid Kendall =C2=A0(University of W=
arwick)

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

TITLE:=C2=A0 =C2=A0Wandering=
 around a fibrous network when all the
paths look very much alike

TIME=C2=A0: Wednesday 24=
^th
April=C2=A0 2024 ,=C2=A0 14.00=E2=80=9414.50 =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=A0I will give an overview of work I have been
interested in for the last decade or so, concerned with generating models b=
ased
on Poisson processes which supply insight into route-finding and traffic fl=
ows.
Initial constructions (Aldous 2014, Kahn 2016, Kendall 2017) showed existen=
ce
of such models satisfying the SIRSN axioms formulated by Aldous (2014). But
these constructions all involve infinitely long linear paths, and in partic=
ular
do not easily admit local influences. Can one do better? I shall discuss re=
cent
work showing that SIRSN can indeed arise under far less stringent condition=
s,
based on line segments or even suitably stiff fibres.






-- 
Dr He=
rmann RenderUniversity College Dublin=C2=A0
School of Mathemat=
ics and Statistics
Dublin, Ireland



--000000000000aad49206157e4ebe--

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Date:         Sun, 7 Apr 2024 10:36:17 +0100
Reply-To:     Hermann Render 
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From:         Hermann Render 
Subject: maths: 19th April, UCD Colloquium Series
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noemail::
title:: UCD COLLOQUIUM SERIES
content:: Professor  SHINICHI KOBAYASHI  (Kyushu University) will speak
on:: The radius of convergence of the p-adic sigma function
date-time:: Friday 19th April, 2024  at 14.00
location:: UCD  Science East, Room 0.32
endevent::

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=C2=A0=C2=A0(Kyushu=C2=A0University) will speak=C2=A0
on:: The radius of convergence of the p-adic sigma function
date-time:: <=
span class=3D"gmail_default" style=3D"font-family:arial,helvetica,sans-seri=
f;font-size:small">Friday 19th April, 2024=C2=A0 at =
14.00=C2=A0
location::=C2=A0UCD=C2=
=A0=C2=A0Science East, Room 0.32=C2=A0
endevent::
=C2=A0=C2=A0

=
=C2=A0



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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 Shinichi Kobayashi  (Kyushu University)





*TITLE:   *The radius of convergence of the p-adic sigma function

*TIME*: Friday 19th April  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 Scienc=
e East,
at the spiral stairs.




Abstract: The p-adic sigma function is a p-adic analog of the classical
Weierstrass sigma function for elliptic curves. It has applications such as
an explicit description of the p-adic height pairing. In this talk, we
explain the radius of convergence of the p-adic sigma function associated
with an elliptic curve defined over p-adic fields. It depends on whether
the elliptic curve has ordinary or supersingular reduction at p. The
ordinary case is classical and was investigated by Mazur-Tate. We explain
mainly the supersingular case.



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

--0000000000005489cb06157e9340
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

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=C2=A0<=
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=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 Shinichi Kobayashi =C2=A0(Kyushu Unive=
rsity)

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

TITLE:=C2=A0 =C2=A0The radius of convergence of the p-adic sigma
function

TIME: Friday 19^{th
April=C2=A0 2024 ,=C2=A0 14.00=E2=80=9414.50 =C2=A0}

=C2=A0

LOCATION:=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=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: The
p-adic sigma function is a p-adic analog of the classical Weierstrass sigma
function for elliptic curves. It has applications such as an explicit
description of the p-adic height pairing. In this talk, we explain the radi=
us
of convergence of the p-adic sigma function associated with an elliptic cur=
ve
defined over p-adic fields. It depends on whether the elliptic curve has
ordinary or supersingular reduction at p. The ordinary case is classical an=
d
was investigated by Mazur-Tate. We explain mainly the supersingular case.






-- 
Dr He=
rmann RenderUniversity College Dublin=C2=A0
School of Mathemat=
ics and Statistics
Dublin, Ireland



--0000000000005489cb06157e9340--

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Message-ID:  
Date:         Mon, 8 Apr 2024 11:05:18 +0000
Reply-To:     "Romina.Gaburro" 
Sender:       UCD Maths Department Distribution List 
From:         "Romina.Gaburro" 
Subject: Maths: ICEDIM Women in Mathematics Day 2024 - May 10, 2024
To:           MATHDEP LISTSERV.HEANET.IE
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Dear All,

this is a gentle reminder to please register by Monday the 15th of April if=
 you intend to attend in person the ICEDIM Women in Mathematics Day 2024 co=
nference at the University of Limerick on May 10. You can register on the c=
onference webpage below. The website is constantly updated and the schedule=
 of the conference will be published later this week.


Best wishes,

The ICEDIM organising committee: Angela Carnevale (UG), Tom Carroll (UCC), =
Romina Gaburro (UL, chair), Dana Mackey (TU Dublin), Niall Madden (UG), Dav=
id Malone (MU), Nina Snigireva (UG).

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


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

________________________________
From: Romina.Gaburro 
Sent: Thursday 29 February 2024 13:45
To: MATHDEP LISTSERV.HEANET.IE 
Subject: Maths: ICEDIM Women in Mathematics Day 2024 - May 10, 2024

Dear Colleagues,

the Irish Committee for Equality, Diversity, and Inclusion in Mathematics (=
ICEDIM) is organising the ICEDIM Women in Mathematics Day 2024. The event w=
ill take place on the 10th of May in the Department of Mathematics and Stat=
istics at the University of Limerick. The ICEDIM Women in Mathematics Day 2=
024 will consist of lectures (speakers to be announced shortly) and network=
ing events.


The Women in Mathematics Day Ireland had become an annual conference since =
its inauguration in 2010. Its aim is to advance gender equality in the math=
ematical sciences in Ireland and to form a forum to encourage, support, and=
 inspire women at all stages of their education and careers. The event's or=
ganisation paused during the outbreak of the COVID-19 pandemic.


This year the event is being organised by the subcommittee ICEDIM of the Irish Mathematical Society at the Unive=
rsity of Limerick. The event will be held in hybrid format to allow for the=
 inclusion of participants that will not be able to attend in person. A Zoo=
m link to the event will be provided in due time.

The conference website is available here, where you can register to the event if you will attend it in person=
. The event doesn't have a registration fee, but we kindly ask that you reg=
ister by Monday the 15th of April if you intend to attend it in person, for=
 organisational and catering purposes.

Travel support: Limited funds are available to support travel for PhD stude=
nts and early career researchers. Please contact Romina Gaburro (romina.gab=
urro ul.ie) for this.



Best wishes,

The ICEDIM organising committee: Tom Carroll (UCC), Romina Gaburro (UL, cha=
ir), Dana Mackey (TU Dublin), Niall Madden (UG), David Malone (MU), Nina Sn=
igireva (UG).

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


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_DB9PR03MB7628439BF5A005A2BBB65F5987002DB9PR03MB7628eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable








Dear All,




this is a gen=
tle reminder to please
register<=
/span> by Monday the
15^th of
 April if you intend to attend in person the
ICEDIM Women in Mathematics Day 2024 conference at the =
University of Limerick on May 10.
 You can register on the conference webpage below. The website is constantl=
y updated and the schedule of the conference will be published later this w=
eek. 






Best wishes,


The ICEDIM organising committee: A=
ngela Carnevale (UG), Tom Carroll (UCC), Romina Gaburro (UL, chair), Dana M=
ackey (TU Dublin), Niall Madden (UG), David Malone (MU), Nina Snigireva (UG=
).





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





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






From: Romina.Gaburro <Romina.Gaburro ul.ie>

Sent: Thursday 29 February 2024 13:45

To: MATHDEP LISTSERV.HEANET.IE <MATHDEP LISTSERV.HEANET.IE&g=
t;

Subject: Maths: ICEDIM Women in Mathematics Day 2024 - May 10, =
2024
 

Dear Colleagues,




the
Irish Committee for Equality, Diversity=
, and Inclusion in Mathematics (ICEDIM) is
 organising the ICEDIM Women in Mathema=
tics Day 2024.
 The event will take place on the 10th of May
i=
n the Department of Mathematics and Statistics at
 the University of Limerick.
The ICEDIM Wom=
en in Mathematics Day 2024 will consist of lectures (speakers to be announc=
ed shortly) and networking events. 





The Women in Mathematics Day Ireland had become an annual confer=
ence since its inauguration in 2010. Its aim is to advance gender equality =
in the mathematical sciences in Ireland
 and to form a forum to encourage, support, and inspire women at all stages=
 of their education and careers. The event's organisation paused during the=
 outbreak of the COVID-19 pandemic. 





This year the event is being organised by the subcommittee

ICEDIM of the Irish Mathematical Society
at the University of Limerick. The event will be held in hybrid format =
to allow for the inclusion of participants that will not be able to attend =
in person. A Zoom link to the event will be provided in due time.





The conference website is available

here, where you can register to the event if you will attend it in person. The event doesn't have a registration fee, but we kindly ask=
 that you register by Monday the 15^th of
 April if you intend to attend it in person, for organisational and caterin=
g purposes. 





Travel support:
Limited funds are available to support travel for PhD student=
s and early career researchers. Please contact Romina Gaburro (romina.gaburro ul.ie) for
 this.


 

Best wishes,


The ICEDIM organising committee: T=
om Carroll (UCC), Romina Gaburro (UL, chair), Dana Mackey (TU Dublin), Nial=
l Madden (UG), David Malone (MU), Nina Snigireva (UG).





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





Dr. Romina Gaburro, Course Director MSc in Mathema=
tical 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_DB9PR03MB7628439BF5A005A2BBB65F5987002DB9PR03MB7628eurp_--

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Reply-To:     Luke Corcoran 
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From:         Luke Corcoran <00000ee260cb5ec9-dmarc-request LISTSERV.HEANET.IE>
Subject: maths: Dublin Area Theoretical Physics Colloquium
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--_000_DU0PR02MB8980409876665D153869A80CF1002DU0PR02MB8980eurp_
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Dear all,

This is an announcement for the final installment of the Dublin Area Theore=
tical Physics Colloquium 2023/24. Further information can be found on the w=
ebsite https://sites.google.com/tcd.ie/dtpc23-24/home. All are welcome to j=
oin!

Date & Time: Wednesday, 10th April 2024 at 4:00pm

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

Speaker: Samuel Abreu (CERN)

Title: Feynman Integrals for Collider Phenomenology

Abstract:  Feynman integrals are ubiquitous in any calculation in perturbat=
ive quantum field theory. In particular, they are one of the crucial ingred=
ients in obtaining theoretical predictions for collider experiments, and th=
eir calculation and evaluation in a stable and efficient way is often a bot=
tleneck in increasing the precision of these predictions. After overviewing=
 the anatomy of theoretical predictions for collider experiments, I will di=
scuss recent developments and new results in the calculation of Feynman int=
egrals based on a new and better understanding of their analytic structure.=
 The discussion will be focused on multi-leg/multi-scale integrals, which p=
ose several challenges associated with the number of variables they depend =
on and their intricate branch-cut structure.

All are welcome!

Best,

Luke Corcoran & Patrick Fritzsch

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

title:: Feynman Integrals for Collider Phenomenology
content:: Samuel Abreu (CERN)
:: 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 Apr 2024 at 4:00PM


--_000_DU0PR02MB8980409876665D153869A80CF1002DU0PR02MB8980eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable








Dear all,










This is=
 an announcement for the final installment of the Dublin Area Theoretical P=
hysics Colloquium 2023/24. Further information can be found on the website
https://sites.google.com/tcd.=
ie/dtpc23-24/home.
 All are welcome to join! 





Date & Time: Wednesday, 10th April 2024 at 4:00pm






Venue: Salmon Lecture Theatre, Hamilton building, Trinity=
 College Dublin






Speaker: Samuel Abreu (CERN)





Title: Feynman Integrals for Collider Phenomenology





Abstract:
 Feynman integrals are ubiquitous in any calculation in perturbative=
 quantum field theory. In particular, they
 are one of the crucial ingredients in obtaining theoretical predictions fo=
r collider experiments, and their calculation and evaluation in a stable an=
d efficient way is often a bottleneck in increasing the precision of these =
predictions. After overviewing the
 anatomy of theoretical predictions for collider experiments, I will discus=
s recent developments and new results in the calculation of Feynman integra=
ls based on a new and better understanding of their analytic structure. The=
 discussion will be focused on multi-leg/multi-scale
 integrals, which pose several challenges associated with the number of var=
iables they depend on and their intricate branch-cut structure.





All are welcome!





Best,
Luke Corcora=
n & Patrick Fritzsch


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






title:: Feynman Integrals for Collider Phenomenology

content:: Samuel Abreu (CERN)

:: 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 Apr 2024 at 4:0=
0PM







--_000_DU0PR02MB8980409876665D153869A80CF1002DU0PR02MB8980eurp_--

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Subject: maths: MU Dept of Theoretical Physics Seminar: FRIDAY 12th   3pm: Cost functionals for holographic complexity
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WHEN: Friday, April 12, 2024 - 15:00 to 16:00
WHERE:  Hall A, Arts Block, North Campus, Maynooth University (and on Teams=
 - link below)

The Department of Theoretical Physics welome Dr. Sergio Hoertner (Luxembour=
g) to give his talk on
Cost functionals for holographic complexity

Complexity has been introduced in the holographic dictionary as a dual desc=
riptor of the growth of the Einstein-Rosen bridge in the interior of a blac=
k hole long after thermalization. Several proposals relating boundary compl=
exity to the bulk geometry have been constructed, most notably based on bul=
k volume and action. We present a framework for the discussion of holograph=
ic complexity based on cost functionals. Connections with TTbar deformation=
s and spin chains will be highlighted.



To attend Dr Hoertner's talk remotely, please click here





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WHEN: Friday, April 12, 2024 - 15:00 to 16:00

WHERE:  Hall A, Arts Block, North Campus, Maynooth University (an=
d on Teams - link below)



 

The Department of Theoretical Physics welome Dr. Sergio Hoertner (Luxemb=
ourg) to give his talk on 

Cost functionals for holographic complexi=
ty
C=
omplexity has been introduced in the holographic dictionary as a dual descr=
iptor of the growth of the Einstein-Rosen
 bridge in the interior of a black hole long after thermalization. Several =
proposals relating boundary complexity to the bulk geometry have been const=
ructed, most notably based on bulk volume and action. We present a framewor=
k for the discussion of holographic
 complexity based on cost functionals. Connections with TTbar deformations =
and spin chains will be highlighted. 
&=
nbsp;

To attend Dr Hoertner's talk remotely,
please
 click here



















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Date:         Tue, 9 Apr 2024 11:03:51 +0000
Reply-To:     "Doireann.O'Kiely" 
Sender:       UCD Maths Department Distribution List 
From:         "Doireann.O'Kiely" 
Subject: maths: Postdoctoral position in applied mathematics, University of Glasgow
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Circulating on behalf of Katarzyna Koval at University of Glasgow

=97=97=97=97=97=97
Job opening: Research Assistant / Associate
University of Glasgow - School of Mathematics & Statistics
Location: Glasgow, UK
Salary: =A332,332 to =A344,263 per annum
Hours: Full Time
Contract Type: Fixed-Term/Contract
Placed On: 8th April 2024
Closes: 6th May 2024
Job Ref: 143908

The University of Glasgow is seeking to appoint a Research Assistant/Associ=
ate in applied mathematics for a period of up to 2.5 years.

The successful candidate will make a leading contribution to a project on v=
iscous fingering instabilities of free-surface flows working with Dr Katarz=
yna Kowal in the School of Mathematics and Statistics at the University of =
Glasgow. This project is funded by the Engineering and Physical Sciences Re=
search Council (EPSRC) and is available for a period of 30 months. The succ=
essful candidate will also be expected to contribute to the formulation and=
 submission of research publications and research proposals as well as help=
 manage and direct this complex and challenging project as opportunities al=
low.

We are seeking a highly motivated and skilled postdoctoral researcher to jo=
in our team to work on the mathematical modelling and analysis of free surf=
ace flows prone to a novel fingering instability. The successful candidate =
will be responsible for conducting cutting-edge research in applied mathema=
tics applied to viscous fluid mechanics. Depending on the interests of the =
candidate, there will also be the opportunity to conduct small-scale fluid-=
mechanical experiments to validate theoretical ideas.

For informal enquiries or further information about the project, please con=
tact Dr Katarzyna Kowal, Katarzyna.Kowal glasgow.ac.uk

Apply here: https://www.jobs.ac.uk/job/DGZ912/research-assistant-associate

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Circulating on behalf of Katarzyna Koval at University of Glasgow





=97=97=97=97=97=97  
Job opening: Research Assistant / Associate
University of Glasgow - School of Mathematics=
 & Statistics 
Location: Glasgow, UK
Salary: =A332,332 to =A344,263 per annum
Hours: Full Time
Contract Type: Fixed-Term/Contract
Placed On: 8th April 2024
Closes: 6th May 2024
Job Ref: 143908
The University of Glasgow is seeking to appoint a Research Assistant/Ass=
ociate in applied mathematics for a period of up to 2.5 years. 
The successful candidate will make a leading contribution to a project o=
n viscous fingering instabilities of free-surface flows working with Dr Kat=
arzyna Kowal in the School of Mathematics and Statistics at the University =
of Glasgow. This project is funded
 by the Engineering and Physical Sciences Research Council (EPSRC) and is a=
vailable for a period of 30 months. The successful candidate will also be e=
xpected to contribute to the formulation and submission of research publica=
tions and research proposals as
 well as help manage and direct this complex and challenging project as opp=
ortunities allow.
We are seeking a highly motivated and skilled postdoctoral researcher to=
 join our team to work on the mathematical modelling and analysis of free s=
urface flows prone to a novel fingering instability. The successful candida=
te will be responsible for conducting
 cutting-edge research in applied mathematics applied to viscous fluid mech=
anics. Depending on the interests of the candidate, there will also be the =
opportunity to conduct small-scale fluid-mechanical experiments to validate=
 theoretical ideas.
For informal enquiries or further information about the project, please =
contact Dr Katarzyna Kowal,

Katarzyna.Kowal glasgow.ac.uk 
Apply here: 
https://www.jobs.ac.uk/job/DGZ912/research-assistant-associate



--_000_DBBPR03MB7130A7E834B83E95963E3420E6072DBBPR03MB7130eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr 10 13:29:00 2024
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Date:         Wed, 10 Apr 2024 13:15:56 +0100
Reply-To:     Tristan Mc Loughlin 
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From:         Tristan Mc Loughlin 
Subject: maths: Reminder of second annual =?UTF-8?Q?=C5=81ukasiewicz_public_lecture_by_Piotr_Su=C5=82kowski_?=on 11 April at 6pm
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Dear Colleagues,

A reminder of the public talk by Piotr Sułkowski  of University of 
Warsaw tomorrow April 11th at 6pm in the Thomas Davis lecture theatre in 
the Arts Building, TCD. 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

--------------v14y7gEJfbhNaWv0A3fGWB8W
Content-Type: text/html; charset=UTF-8
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    Dear Colleagues, 

    
    A reminder of the public talk by Piotr Sułkowski  of University
      of Warsaw tomorrow April 11th at 6pm in the Thomas Davis lecture
      theatre in the Arts Building, TCD. 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 
    
  


--------------v14y7gEJfbhNaWv0A3fGWB8W--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr 10 14:19:41 2024
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Date:         Wed, 10 Apr 2024 14:06:21 +0100
Reply-To:     Christopher Boyd 
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From:         Christopher Boyd 
Subject: maths: Two Analysis Talks in UCD on Tuesday 16th of April
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Speaker: * Tom Carroll (UCC)*

Title: *An uncertainty principle for the Vaserstein distance*

Date: Tue 16th April 2024

Time: 3:00PM

Location: E0.32 (beside Pi restaurant)

Abstract: This is joint work with Xavier Massaneda and Joaquim
Ortega-Cerd=C3=83  (Barcelona). I will discuss an uncertainty principle of =
the
following form: for a function f with mean zero, then either the size of
the zero set of the function or the cost of transporting the mass of the
positive part of f to its negative part must be large. The result in two
dimensions is due to Steinerberger. A partial result, which we improve
upon, is due to Sagiv and Steinerberger. Related to this is a sharp upper
estimate of the cost of transporting the positive part of an eigenfunction
of the Laplacian. This proves a conjecture of Steinerberger and provides a
lower bound on the size of a nodal set of the eigenfunction.

https://ucd-ie.zoom.us/j/66723306041


Speaker: * Alberto Dayan (Saarland University)*

Title: *Random Carleson Measures in the Polydisc*

Date: Tue 16th April 2024

Time: 16.15PM

Location: E0.32 (beside Pi restaurant)

Abstract:


 A Carleson measure on the unit disc is a positive measure that
 embeds continuously the Hardy space inside the corresponding
$L^2$ space on the unit disc. The celebrated work of Carleson
characterizes such measures in terms of a geometric condition that
has to be tested only on squares having their basis on the unit
circle. Such notions have a natural extension to the polydisc, but
in this case the geometric characterization becomes much more
complicated to work with. In this talk, we will consider atomic
measures on the polydisc generated by sequences, since determining
if such measures are Carleson plays an important role in the theory
 of interpolating sequences. In particular, we will consider a
random sequence in the polydisc, and we will discuss the 0-1 law
for it to generate a Carleson measure almost surely. While in the
one dimensional case such 0-1 law can be found by using Carleson's
geometric condition, such tool is unavailable in the multi-variable
 setting. We will then discuss a well known reformulation of the
problem in terms of random Gram matrices, and then describe those
sequences that generates almost surely a Carleson measure for the
polydisc by using tools from the theory of random matrices.

This is a joint work with Nikolaos Chalmoukis and Giuseppe
Lamberti.

https://ucd-ie.zoom.us/j/66723306041


title:: An uncertainty principle for the Vaserstein distance
content:: Tom Carroll (UCC)
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis)
location:: E0.32 (beside Pi restaurant)
date-time:: Tue 16th April 2024 at 3:00PM

title:: Random Carleson Measures in the Polydisc
content:: Alberto Dayan (Saarland University)
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis)
location:: E0.32 (beside Pi restaurant)
date-time:: Tue 16th April 2024 at 16.15PM

--000000000000257b6f0615bdb53b
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Speaker:  Tom Carroll (UCC)

 

	Title: An uncertainty principle for the Vaserstein distance



	Date: Tue 16th April 2024

 

	Time: 3:00PM

 

	Location: E0.32 (beside Pi restaurant)



Abstract: This is joint work with Xavier Massaneda and Joaquim=20
Ortega-Cerd=C3=83=C2=A0 (Barcelona). I will discuss an uncertainty principl=
e of=20
the following form: for a function f with mean zero, then either the=20
size of the zero set of the function or the cost of transporting the=20
mass of the positive part of f to its negative part must be large. The=20
result in two dimensions is due to Steinerberger. A partial result,=20
which we improve upon, is due to Sagiv and Steinerberger.  Related to=20
this is a sharp upper estimate of the cost of transporting the positive=20
part of an eigenfunction of the Laplacian. This proves a conjecture of=20
Steinerberger and provides a lower bound on the size of a nodal set of=20
the eigenfunction.=20





https://ucd-ie.zoom.us/j/6=
6723306041

Speaker:  Alberto Dayan (Saarland U=
niversity)

 

	Title: Random Carleson Measures in the Polydisc



	Date: Tue 16th April 2024

 

	Time: 16.15PM

 

	Location: E0.32 (beside Pi restaurant)



Abstract: 
 
 A Carleson measure on the unit disc is a po=
sitive measure that
 embeds continuously the Hardy space inside the corr=
esponding 
$L^2$ space on the unit disc. The celebrated work of Carleson=
 
characterizes such measures in terms of a geometric condition that has to be tested only on squares having their basis on the unit 
circle=
. Such notions have a natural extension to the polydisc, but 
in this ca=
se the geometric characterization becomes much more 
complicated to work=
 with. In this talk, we will consider atomic 
measures on the polydisc g=
enerated by sequences, since determining 
if such measures are Carleson =
plays an important role in the theory
 of interpolating sequences. In pa=
rticular, we will consider a 
random sequence in the polydisc, and we wi=
ll discuss the 0-1 law 
for it to generate a Carleson measure almost sur=
ely. While in the 
one dimensional case such 0-1 law can be found by usi=
ng Carleson's 
geometric condition, such tool is unavailable in the =
multi-variable
 setting. We will then discuss a well known reformulation of the 
proble=
m in terms of random Gram matrices, and then describe those 
sequences t=
hat generates almost surely a Carleson measure for the 
polydisc by usin=
g tools from the theory of random matrices.

This is a joint work with Nikolaos Chalmoukis and Giuseppe 
Lamberti.

https://ucd-ie.zoom.us/j/6=
6723306041


title:: An uncertainty principle for the Vaserstein dis=
tance
content:: Tom Carroll (UCC)=20
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis)=20
location:: E0.32 (beside Pi restaurant)
date-time:: Tue 16th April 2024 at 3:00PM  
title:: Random Carles=
on Measures in the Polydisc
content:: Alberto Dayan (Saarland University)=20
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis)=20
location:: E0.32 (beside Pi restaurant)
date-time:: Tue 16th April 2024 at 16.15PM  



--000000000000257b6f0615bdb53b--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr 10 15:23:44 2024
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Date:         Wed, 10 Apr 2024 15:10:06 +0100
Reply-To:     "Denjoe O'Connor" 
Sender:       UCD Maths Department Distribution List 
From:         "Denjoe O'Connor" 
Subject: maths: DIAS Zoominar Thursday April 11th 14:30 speaker Francesca Vidotto
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Dear Colleagues,
                 please join us for our upcoming Theoretical Physics Seminar at
14:30 Thursday April 11th by Francesca Vidotto.  The seminar will be a 
Zoom only lecture via the link:

Date: Thursday April 11th
Time: 14:30
https://us02web.zoom.us/j/6199730148?pwd=SjVGcTJWQmZZNndHenMyRStsL0lKdz09
Meeting ID: 619 973 0148
Password: 122512



                          Francesca Vidotto,
                          Western University,
                           Ontario, Canada

Title: Covariant Loop Quantum Gravity and Cosmology

Abstract: The covariant formulation of Loop Quantum Gravity dynamics, 
referred also as Spinfoam, provides currently the most complete 
formulation for a non-perturbative theory of quantum gravity. It is a 
formulation of the gravitational path integral as a discrete sum over 
geometries: it gives well defined transition amplitudes in 4-dimensional 
Lorentzian spacetime, possibly formulated also with a positive 
cosmological constant, that have General Relativity as their classical 
limit. The conceptual and computational progresses in the covariant 
framework of LQG have brought a number of results in its application to 
cosmology. In this talk I highlight some of the most interesting steps 
forward in spinfoam cosmology. I briefly review the general assumption in 
defining the cosmological model. I focus then on the development of a 
novel strategy to compute cosmological primordial correlations and 
entanglement entropy. I also discuss the current understanding of the 
singularity resolution and the cosmological bounce from the covariant 
perspective.

With best wishes,
Denjoe.

From owner-mathdep LISTSERV.HEANET.IE  Thu Apr 11 11:16:49 2024
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Date:         Thu, 11 Apr 2024 09:56:41 +0000
Reply-To:     hahnma MATHS.TCD.IE
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From:         hahnma MATHS.TCD.IE
Subject: TCD Dublin Mathematics Colloquium =?utf-8?Q?=E2=80=93_?=11 April
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----=_RainLoop_754_890210389.1712829401
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 11 April, 4pm in the Synge lecture t=
heatre. Our speaker is Guillaume Chapuy (Institut de recherche en informa=
tique fondamentale) , who will speak about:

title: Random triangulations of surfaces, and the high-genus regime
abstract: I will talk about the probabilistic behaviour of random maps on=
 surfaces (for example, random triangulations) of given genus, when their=
 size tends to infinity. Such questions can be asked from the viewpoint o=
f the local behaviour (Benjamini-Schramm convergence) or global behaviour=
 (diameter, Gromov Hausdorff convergence), and in both cases, much combin=
atorics is involved. I will survey the landmark results for the case of f=
ixed genus, and state very recent results obtained jointly with Thomas Bu=
dzinski and Baptiste Louf, in which we manage to address the "high genus"=
 regime, when the genus grows proportionally to the size -- for this regi=
me we establish isoperimetric inequalities and prove the long-suspected f=
act that the diameter is logarithmic with high probability.

This talk is a zoom talk, i.e. it will be livestream in the lecture theat=
re. If you want to join remotely, here is the zoom link:
	https://tcd-ie.zoom.us/j/97138542273?pwd=3DVjd5UTE4WWUvNTlUMTR2R3l3VVd3Z=
z09

	Meeting ID: 971 3854 2273

	Passcode: 423174

Best regards,
Florian Naef and Marvin Anas Hahn
title:: Dublin Mathematics Colloquium
content:: Guillaume Chapuy will speak on
:: Random triangulations of surfaces, and the high-genus regime =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, April 11 at 4:00pm
location:: Synge Lecture Theatre, Hamilton Building, TCD

----=_RainLoop_754_890210389.1712829401
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/) whi=
ch takes places on Thursday 11 April, 4pm in the Sy=
nge lecture theatre. Our speaker is Guillaume Cha=
puy (Institut de recherche en informatique fondamentale) , who will speak about:

title: Random triangulations of surfaces, and the high-genus regime
abstract: I will talk ab=
out the probabilistic behaviour of random maps on surfaces (for example, =
random triangulations) of given genus, when their size tends to infinity.=
 Such questions can be asked from the viewpoint of the local behaviour (B=
enjamini-Schramm convergence) or global behaviour (diameter, Gromov Hausd=
orff convergence), and in both cases, much combinatorics is involved. I w=
ill survey the landmark results for the case of fixed genus, and state ve=
ry recent results obtained jointly with Thomas Budzinski and Baptiste Lou=
f, in which we manage to address the "high genus" regime, when the genus =
grows proportionally to the size -- for this regime we establish isoperim=
etric inequalities and prove the long-suspected fact that the diameter is=
 logarithmic with high probability.

This talk is a zoom talk, i.e.=
 it will be livestream in the lecture theatre. If you want to join remote=
ly, here is the zoom link:
 https://tcd-ie.zoom.us/j/97138542273?pw=
d=3DVjd5UTE4WWUvNTlUMTR2R3l3VVd3Zz09
Meeting ID: 971 3854 2273<=
p>Passcode: 423174


Best regard=
s,
Florian Naef and Marvin Anas Hahn


t=
itle:: Dublin Mathematics Colloquium
content:: Guillaume=
 Chapuy will speak o=
n
:: Random triangulations o=
f surfaces, and the high-genus regime =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, April 11 =
at 4:00pm
location:: Synge Lecture Theatre, Hamilton Building, TCD
=
<=
/div>


----=_RainLoop_754_890210389.1712829401--

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Date:         Thu, 11 Apr 2024 10:53:01 +0000
Reply-To:     Bernd Kreussler 
Sender:       UCD Maths Department Distribution List 
From:         Bernd Kreussler
              <00000b184f94220f-dmarc-request LISTSERV.HEANET.IE>
Subject: maths: Postgraduate Opportunities at MIC Limerick and Thurles
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I would like to draw your attention to opportunities to pursue postgraduate=
 studies in Mathematics at Mary Immaculate College in Thurles or in Limeric=
k.

On offer are MA by Research and Thesis as well as PhD by Research and Thesi=
s. An MA by Research and Thesis might be a stepping stone for pursuing a Ph=
D (at MIC or elsewhere). Available research areas in Mathematics include Al=
gebraic Geometry, Alternating Sign Matrices, Combinatorics, Discrete Geomet=
ry, Non-commutative Probability, and Operator Theory. Mathematics Education=
 options are available as well.
Detailed Sample MA projects along with funding information can be found on:=
 https://www.mic.ul.ie/sites/default/files/2024-04/2024-25_Maths-Business-P=
GR-scholarship.pdf
PhD projects and other MA projects not listed in that file are available on=
 an individual basis.

Information about funding opportunities at MIC are available here:
https://www.mic.ul.ie/research/research-graduate-school/supports/scholarshi=
ps-funding-fees

Please note that the deadline for College wide studentships and awards is 2=
6 April, whereas the application deadline for the Departmental Assistantshi=
p is on 17 May.

Further information can be found on:
https://www.mic.ul.ie/faculty-of-arts/department/mathematics-computer-studi=
es?index=3D3

With any questions, please contact Bernd Kreussler (Bernd.Kreussler mic.ul.=
ie) or a potential supervisor.

Please forward to anyone who might be interested.

Best wishes,
Bernd

S=E9anadh R=EDomhphoist / Email Disclaimer https://www.mic.ul.ie/about-mic/=
college-services/ict-services?index=3D5

--_000_AS8PR08MB9093681F59AEE636A0F7BA95AB052AS8PR08MB9093eurp_
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I would like to draw your attention to opportunities to pursue postgraduate=
 studies in Mathematics at Mary Immaculate College in Thurles or in Limeric=
k.





On offer are MA by Research and Thesis as well as PhD by Res=
earch and Thesis. An MA by Research and Thesis might be a stepping ston=
e for pursuing a PhD (at MIC or elsewhere). Available research areas in Mat=
hematics include Algebraic Geometry,
 Alternating Sign Matrices, Combinatorics, Discrete Geometry, Non-comm=
utative Probability, and Operator Theory. Mathematics Education options are=
 available as well.  

Detailed Sample MA projects along with funding information can be found on:=
 
https://www.mic.ul.ie/sites/default/files/2024-04/2024-25_Maths-Business-PG=
R-scholarship.pdf

PhD projects and other MA projects not listed in that file are available on=
 an individual basis.





Information about funding opportunities at MIC are available here:

htt=
ps://www.mic.ul.ie/research/research-graduate-school/supports/scholarships-=
funding-fees





Please note that the deadline for College wide studentships and awards is <=
b>26 April, whereas the application deadline for the Departmental Assis=
tantship is on
17 May.





Further information can be found on:

https:=
//www.mic.ul.ie/faculty-of-arts/department/mathematics-computer-studies?ind=
ex=3D3





With any questions, please contact Bernd Kreussler (Bernd.Kreussler mic.ul.=
ie) or a potential supervisor.





Please forward to anyone who might be interested.





Best wishes,

Bernd




S=E9anadh R=EDomhphoist / Email Disclaimer https://www.mic.ul.ie/about-mic/=
college-services/ict-services?index=3D5



--_000_AS8PR08MB9093681F59AEE636A0F7BA95AB052AS8PR08MB9093eurp_--

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Date:         Thu, 11 Apr 2024 12:05:53 +0000
Reply-To:     "Romina.Gaburro" 
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From:         "Romina.Gaburro" 
Subject: Maths: next ICEDIM zoom seminar - Wednesday April 17 at 3pm
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Dear Colleagues,
The next ICEDIM Zoom seminar will be given by Dr. Victoria S=E1nchez Mu=F1o=
z (University of Galway) on Wednesday, April 17, at 3pm.

Date:  Wednesday, April 17, 2024, at 15.00.

Speaker: Dr. Victoria S=E1nchez Mu=F1oz (University of Galway).



Title: How Maths Helped Me to Annoy My Insurance Company.

Abstract: In this talk I will tell the full story behind the article =93The=
 Estimation of Wind Speed: Challenging the Insurance Company=92s Decision=
=94, awarded with the Graham Hoare Prize 2022 by the Institute of Mathemati=
cs and Its Applications (IMA) in the UK. Long story short: the insurance co=
mpany refused to cover some damages on a blind caused by the wind but I did=
 not agree so I challenged their decision using some very basic maths and p=
hysics.



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

Join Zoom Meeting


https://universityofgalway-ie.zoom.us/j/91212983031?pwd=3DZEJCMGdjRENsY3pEW=
Ul5Q0ZwbExDdz09

Meeting ID: 912 1298 3031
Password: 798000


Please note that the seminar will be recorded. Please note that the seminar=
 meeting will remain active until 4.30pm. 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 4=
 speakers are given on the IMS website at https://www.irishmathsoc.org/iced=
im/. This talk will be streamed online via zoom and recorded for a free vie=
w 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' t=
imetable 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_PAXPR03MB76183870BA6CFBF1451A4B1487052PAXPR03MB7618eurp_
Content-Type: text/html; charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable








Dear Colleagues,

The=
 next
ICEDIM
Zoom
 seminar
will
be given by
Dr. Victoria S=E1nchez Mu=F1oz (University of Galway)
on Wednesday,
April 17,
 at 3pm.
Date: 
Wednesday, April 17, 2024, at 15.00.
Speaker:&nb=
sp;Dr.
 Victoria S=E1nchez Mu=F1oz (University of Galway).
 

=
Title: How Maths Helped Me to Annoy My Insurance Company.

=
Abstract: In this talk I will tell the full story behind the ar=
ticle =93The Estimation of Wind Speed: Challenging
 the Insurance Company=92s Decision=94, awarded with the Graham Hoare Prize=
 2022 by the Institute of Mathematics and Its Applications (IMA) in the UK.=
 Long story short: the insurance company refused to cover some damages on a=
 blind caused by the wind but I did
 not agree so I challenged their decision using some very basic maths and p=
hysics.






-----------------------------------------------------------------------=
---------------------------------------------------------------------------=
--
Join Zoom Meeting




ht=
tps://universityofgalway-ie.zoom.us/j/91212983031?pwd=3DZEJCMGdjRENsY3pEWUl=
5Q0ZwbExDdz09





Meeting ID: 
912 1298 3031

Password: 798000



Please note that
 the seminar will be recorded.
Please note that
the seminar meeting will remain active until 4.30pm. 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 seminar series, including a l=
ist of the first 4 speakers are given
 on the IMS website at .
 This talk will be streamed online via zoom and recorded for a free =
view on the IMS website at
https://www.irishmath=
soc.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 Sni=
gireva (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_PAXPR03MB76183870BA6CFBF1451A4B1487052PAXPR03MB7618eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Fri Apr 12 09:07:05 2024
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Date:         Fri, 12 Apr 2024 08:53:00 +0100
Reply-To:     Kazim Buyukboduk 
Sender:       UCD Maths Department Distribution List 
From:         Kazim Buyukboduk 
Subject: maths: Algebra and Number Theory seminar, Thu 18th April 2024
To:           MATHDEP LISTSERV.HEANET.IE
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UCD School of Mathematics and Statistics - Seminar Notice


	*Speaker:* Harry Schmidt (Warwick)

	*Title:* Non-degeneracy and uniform bounds on common pre-periodic points


	*Date:* Thu 18th Apr 2024

	*Time:* 2:00PM

	*Location:* Science East, Room 0.32 ("next to =CF=80")
*Abstract:* With Myrto Mavraki, we have proven instances of a relative
version of the dynamical Bogomolov conjecture. A consequence of our
work is a uniform bound on common pre-periodic points of rational
maps, along one-parameter families, that was predicted by a conjecture
of Demarco, Krieger and Ye. One of the key ingredients of our proof is
to show that the variety of interest is non-degenerate. I will explain
the meaning and history of this innocuous seeming condition and then
talk about recent and upcoming work on bounding the number of common
pre-periodic points of rational maps.


*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:: Non-degeneracy and uniform bounds on common pre-periodic points
content:: Harry Schmidt (Warwick)
:: 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 18th Apr 2024 at 2:00PM

--000000000000b479a50615e1949b
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

UCD School of Mathemati=
cs and Statistics - Seminar Notice

=20
	Speaker: Harry Schmidt (Warwick)
=20
	Title: Non-degeneracy and uniform bounds on common pre-periodic poi=
nts

=20
	Date: Thu 18th Apr 2024
=20
	Time: 2:00PM=20
=20
	Location: Science East, Room 0.32 ("next to =CF=80")

Abstract: With Myrto Mavraki, we have proven instances of a relative=
 version of the dynamical Bogomolov conjecture. A consequence of our work i=
s a uniform bound on common pre-periodic points of rational maps, along one=
-parameter families, that was predicted by a conjecture of Demarco, Krieger=
 and Ye. One of the key ingredients of our proof is to show that the variet=
y of interest is non-degenerate. I will explain the meaning and history of =
this innocuous seeming condition and then talk about recent and upcoming wo=
rk on bounding the number of common pre-periodic points of rational maps.
Further information: https://maths.ucd.ie/~kazim_b/UC=
D_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:: Non-degeneracy and uniform bounds on common pre-periodic points
content:: Harry Schmidt (Warwick)
:: 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 18th Apr 2024 at 2:00PM

--000000000000b479a50615e1949b--

From owner-mathdep LISTSERV.HEANET.IE  Fri Apr 12 11:10:04 2024
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	MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.0
Date:         Fri, 12 Apr 2024 10:57:33 +0100
Reply-To:     Joost Slingerland 
Sender:       UCD Maths Department Distribution List 
From:         Joost Slingerland 
Subject: maths:YRS2024 free online Pre-School in Quantum Physics now on.
To:           MATHDEP LISTSERV.HEANET.IE
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Dear Colleagues,

In preparation for the

YRS2024 graduate school on topological aspects of low-dimensional quantum 
physics,

which will take place in Maynooth this April 22-27,
we are currently running a

** Free Online Pre-School **

This involves two courses:
- "Conformal Field Theory basics", by Christian Northe
- "Mathematical foundations", by Pieralberto Marchetti

This could be of interest even to people who will not be able 
to make it to the in-person event later.
If you know or are supervising any such people, please consider forwarding 
this information on to them.
The first two lectures have already happpened but recordings are 
accessible. All future lectures will also be recorded.

A full schedule and links for participation are below:

** Schedule of the YRS 2024 pre-school **

NOTE this schedule is in CET. Irish times are an hour earlier!

Tuesday 9th of April: 2pm to 3.30pm CET -- CFT basics
Wednesday 10th of April: 2pm to 3.30pm CET -- CFT basics
Friday 12th of April: 1.30pm to 3.15pm CET -- Mathematical foundations

Monday 15th of April: 2pm to 3.30pm CET -- CFT basics
Tuesday 16th of April: 2pm to 3.30pm CET -- CFT basics
Wednesday 17th of April: 1.30pm to 3.15pm CET -- Mathematical foundations
Thursday 18th of April: 1.30pm to 3.15pm CET -- Mathematical foundations

*****

You can join the zoom live via this link

https://us06web.zoom.us/j/89197027215?pwd=R71mSMz8T7VRYEpbFL9qTKu45TBwx1.1

Meeting ID: 891 9702 7215

Passcode: 304529

*****

Links for videos of the lectures from earlier this week below

The recording of the first CFT basics lecture
https://us06web.zoom.us/rec/share/Ul-MpUzhXfyUt-qkUfB0OyLCbgQANBQWf6AMirO9Kxk_vg1X9r3BaXgHbkagSwLb.djQ2rJpsQPXvCzwo
Passcode:  S#9OXUA

recording of the second CFT basics-lecture
https://us06web.zoom.us/rec/share/SBzePERka1jy4FJnDmJ1PkQODFijPFCRdv57YGsvzXkv-52E987J9jaxK_iN_9aD.SuIaH03je0GN1YdO
Passcode: 1#b9ChTY

******

Full details of the in-person school can be found on the YRS2024 webpages:

https://sites.google.com/view/yrs-topo-lowdim/

******

All the best,on behalf of the organizers of YRS2024,

Joost Slingerland
Department of Theoretical Physics
Maynooth University

From owner-mathdep LISTSERV.HEANET.IE  Fri Apr 12 14:22:07 2024
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From:         Jiri Vala 
Subject: maths: CANCELLED MU Dept of Theoretical Physics Seminar: FRIDAY 12th   3pm: Cost functionals for holographic complexity
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Please note that this talk is cancelled due to the speaker's illness.


WHEN: Friday, April 12, 2024 - 15:00 to 16:00
WHERE:  Hall A, Arts Block, North Campus, Maynooth University (and on Teams=
 - link below)

The Department of Theoretical Physics welome Dr. Sergio Hoertner (Luxembour=
g) to give his talk on
Cost functionals for holographic complexity

Complexity has been introduced in the holographic dictionary as a dual desc=
riptor of the growth of the Einstein-Rosen bridge in the interior of a blac=
k hole long after thermalization. Several proposals relating boundary compl=
exity to the bulk geometry have been constructed, most notably based on bul=
k volume and action. We present a framework for the discussion of holograph=
ic complexity based on cost functionals. Connections with TTbar deformation=
s and spin chains will be highlighted.



To attend Dr Hoertner's talk remotely, please click here





--_000_DB7PR02MB3738DB492DC37642C7128C6AEC042DB7PR02MB3738eurp_
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Please note that this talk is cancelled due to the speaker's illness.&nb=
sp;





 

WHEN: Friday, April 12, 2024 - 15:00 to 16:00

WHERE:  Hall A,=
 Arts Block, North Campus, Maynooth University (and on Teams - link below)<=
/span>



 

The Department of Theoretical Physics welome Dr. Sergio Hoertner (Luxemb=
ourg) to give his talk on 

Cost functionals for holographic complexi=
ty
C=
omplexity has been introduced in the holographic dictionary as a dual descr=
iptor of the growth of the Einstein-Rosen
 bridge in the interior of a black hole long after thermalization. Several =
proposals relating boundary complexity to the bulk geometry have been const=
ructed, most notably based on bulk volume and action. We present a framewor=
k for the discussion of holographic
 complexity based on cost functionals. Connections with TTbar deformations =
and spin chains will be highlighted. 
&=
nbsp;

To attend Dr Hoertner's talk remotely,
please
 click here



















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Subject: maths: MU Maths-Stats Colloquium, Wednesday 17th April: Helena =?Windows-1252?Q?=8Amigoc?=
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Dear colleagues,

Next week's speaker is Dr Helena =8Amigoc (University College Dublin), spea=
king on "Symmetric Nonnegative Trifactorization Rank". The colloquium takes=
 place as usual on Wednesday 17 April 2024 at 3pm in MS2, Logic House, Mayn=
ooth University. See below for full details.

All are welcome!

Cheers,
Ian

___________________________________________________________________________

Speaker: Dr Helena =8Amigoc, University College Dublin

Title: Symmetric Nonnegative Trifactorization Rank

Abstract: Factorizations of matrices where the factors are required to be e=
ntry-wise nonnegative provide a powerful tool in analysing nonnegative data=
. In this talk we will consider Symmetric Nonnegative Matrix Trifactorizati=
on (SN-Trifactorization), a factorization of nonnegative symmetric matrices=
 that takes into account symmetry, nonnegativity and low rank of a matrix.

SN-Trifactorization is a factorization of an n x n (entry-wise) nonnegative=
 symmetric matrix A of the form BCB^T, where C is a k x k symmetric matrix,=
 and both B and C are required to be nonnegative. The SNT-rank of A is the =
minimal k for which such factorization exists.  The zero-nonzero pattern of=
 A poses constrains on the zero-nonzero pattern of B and C satisfying A=3DB=
CB^T. Those constraints can be studied through the SNT-rank of simple graph=
s that allow loops, defined to be the minimal possible SNT-rank of all symm=
etric nonnegative matrices whose zero-nonzero pattern is prescribed by a gi=
ven graph.

After introducing the SNT-rank of nonnegative symmetric matrices and explor=
ing its basic properties, we will turn our discussion to the SNT-rank of gr=
aphs. We will define set-join covers of graphs, and show that finding the S=
NT-rank of a graph G is equivalent to finding the minimal order of a set-jo=
in cover of G. Using this insight we will develop basic properties of the S=
NT-rank for graphs and compute it for trees and cycles without loops. We wi=
ll show the equivalence between the SNT-rank for complete graphs and the Ka=
tona problem, and discuss uniqueness of patterns of matrices in the factori=
zation.

___________________________________________________________________________

title:: MU Maths-Stats Colloquium
content:: Dr Helena =8Amigoc
:: University College Dublin
:: presents a talk entitled "Symmetric Nonnegative Trifactorization Rank."
date-time:: 17 April 2024 at 3pm
location:: Room MS2, Logic House, Maynooth University
endevent::

--_000_PA6PR02MB10647B2D73D266D7EFBE763FE87042PA6PR02MB10647eu_
Content-Type: text/html; charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable








Dear colleagues,





Next week's speaker is Dr Helena =8Amigoc (University College D=
ublin), speaking on "Symmetric Nonnegative Trifactorization Rank". The colloquium takes place as usual on Wednesday 17 April 2024 at =
3pm in MS2, Logic House, Maynooth University. See
 below for full details.






All are welcome!





Cheers,

Ian





___________________________________________________________________________=






Speaker: Dr Helena =8Amigoc, University College Dublin





Title: Symmetric Nonnegative Trifactorization Rank





Abstract: Factorizations of matrices where the factors are required to be e=
ntry-wise nonnegative provide a powerful tool in analysing nonnegative data=
. In this talk we will consider Symmetric Nonnegative Matrix Trifactorizati=
on (SN-Trifactorization), a factorization
 of nonnegative symmetric matrices that takes into account symmetry, nonneg=
ativity and low rank of a matrix.





SN-Trifactorization is a factorization of an n x n (entry-wise)=
 nonnegative symmetric matrix
A of the form BCB^T, where C is a k x k&nb=
sp;symmetric matrix, and both
B and C are required to be nonnegative. The SNT-ran=
k of A is the minimal
k for which such factorization exists.  The zero-nonzero p=
attern of A poses constrains on the zero-nonzero pattern of
B and C satisfying A=3DBCB^T. Those con=
straints can be studied through the SNT-rank of simple graphs that allow lo=
ops, defined to be the minimal possible SNT-rank of all symmetric nonnegati=
ve matrices whose zero-nonzero pattern is prescribed
 by a given graph.





After introducing the SNT-rank of nonnegative symmetric matrices and explor=
ing its basic properties, we will turn our discussion to the SNT-rank of gr=
aphs. We will define set-join covers of graphs, and show that finding the S=
NT-rank of a graph G is equivalent
 to finding the minimal order of a set-join cover of G. Using this insight =
we will develop basic properties of the SNT-rank for graphs and compute it =
for trees and cycles without loops. We will show the equivalence between th=
e SNT-rank for complete graphs and
 the Katona problem, and discuss uniqueness of patterns of matrices in the =
factorization.





___________________________________________________________________________=






title:: MU Maths-Stats Colloquium

content:: Dr Helena =8Amigoc

:: University College Dublin

:: presents a talk entitled "Symmetric Nonnegative Trifactorization Ra=
nk."

date-time:: 17 April 2024 at 3pm

location:: Room MS2, Logic House, Maynooth University

endevent::



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From owner-mathdep LISTSERV.HEANET.IE  Sun Apr 14 13:47:14 2024
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Subject: maths: DCU-UCD Discrete Math Seminars, Friday 19th of April at 15.30
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Dear colleagues

The next DCU-UCD Discrete Mathematics seminar will take place Friday 19th
April.
You can find all the information about the previous and next seminars at
the page https://sites.google.com/view/dcucd-discrete-maths/home.

DCUCD Discrete Mathematics Seminar - Seminar Notice

*Speaker:* Lukas Klawuhn  (Paderborn)
*Title:* Why everyone should know association schemes: An introduction to
Delsarte Theory
*Date:* Friday 19th April 2024
*Time:*15.30
*Location:*  All Hallows Campus (DCU),  Room AHC S128

.

*Abstract:* Interesting combinatorial structures can often be characterised
as special subsets of association schemes. In his PhD thesis, Philippe
Delsarte developed powerful linear programming techniques to prove
non-existence and uniqueness results for such structures. Ideas of this
type were fundamental in the work for which Marina Viazovska was awarded
the Fields medal in 2022. This talk will begin with an overview of Delsarte
theory. The association scheme of the symmetric group is well known. We
will introduce it, and then study generalised permutations. They act on the
set {1,2,...,n}, whose elements are coloured with one of r possible
colours. We consider different notions of transitivity and interpret these
algebraically in the appropriate association scheme . We will give
existence results showing that there exist transitive sets of generalised
permutations that are small compared to the size of the group. Many of
these results extend results previously known for the symmetric group.
No particular knowledge of association schemes will be required to
appreciate this talk.

Best,
Stefano Lia, Padraig =C3=93 Cath=C3=A1in, Ronan Egan, Eimear Byrne, John Sh=
eekey

--0000000000007d8e8406160db976
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Dear colleagues
The next DCU-UCD Discrete Mathematics seminar will tak=
e place Friday 19th April.=C2=A0
You can find all the information=
 about the previous and next seminars at the page=C2=A0https://sites.google.com/view/dcucd-discrete-maths/hom=
e.

DCUCD Discrete Ma=
thematics Seminar - Seminar Notice
Speaker:=C2=A0=
Lukas Klawuhn (Paderborn)
Title:=C2=A0Why everyone should =
know association schemes: An introduction to Delsarte Theory
Date:=C2=A0Friday 19th April 2024
Time:15.30
Location:=C2=A0

All Hallows Campus (DCU), =C2=A0Room AHC S128=C2=A0 .
Abstract:=C2=A0Interes=
ting combinatorial structures can often be characterised as special subsets=
 of association schemes. In his PhD thesis, Philippe Delsarte developed pow=
erful linear programming techniques to prove non-existence and uniqueness r=
esults for such structures. Ideas of this type were fundamental in the work=
 for which Marina Viazovska was awarded the Fields medal in 2022. This talk=
 will begin with an overview of Delsarte theory.=C2=A0The association scheme of the symmetric group is well known. We will in=
troduce it, and then study generalised permutations. They act on the set {1=
,2,...,n}, whose elements are coloured with one of r possible colours. We c=
onsider different notions of transitivity and interpret these algebraically=
 in the appropriate association scheme . We will give existence results sho=
wing that there exist transitive sets of generalised permutations that are =
small compared to the size of the group. Many of these results extend resul=
ts previously known for the symmetric group.
No particular knowledge of association schemes will be =
required to appreciate this talk. 
Best,
Stefano Lia, Padraig =C3=93 Cath=C3=A1in, Ronan Egan, Eimear=
 Byrne, John Sheekey

--0000000000007d8e8406160db976--

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As part of the DIAS Summer Studentship programme, the School of 
Theoretical Physics of the Dublin Institute for Advanced Studies is 
inviting applications for Studentships for Summer 2024. Students will 
receive a total stipend of €3,000 to cover a two- month internship 
starting in early June 2024.

A successful candidate should be completing their 3rd year at an Irish 
higher education institution, be in line for a 1st class honours degree 
and have an interest in a research career in Theoretical Physics or 
Mathematics.

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 21st. 
Successful candidates will be notified by email.

To apply please use the link below:
https://www.dias.ie/summer-studentships-in-the-school-of-theoretical-physics/

-- 
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