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BEGIN:VEVENT
SUMMARY:Markus Youssef (EPFL)
DTSTART:20240213T150000Z
DTEND:20240213T153000Z
DTSTAMP:20260422T132752Z
UID:SwissGAT/1
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/SwissGAT/1/"
 >Circular structures in high-dimensional data</a>\nby Markus Youssef (EPFL
 ) as part of West Switzerland Geometry\, Algebra and Topology Seminar\n\nA
 bstract: TBA\n
LOCATION:https://researchseminars.org/talk/SwissGAT/1/
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BEGIN:VEVENT
SUMMARY:Alex Bishop (Université de Genève)
DTSTART:20240220T150000Z
DTEND:20240220T153000Z
DTSTAMP:20260422T132752Z
UID:SwissGAT/2
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/SwissGAT/2/"
 >On the conjugacy depth function for Grigorchuk's group</a>\nby Alex Bisho
 p (Université de Genève) as part of West Switzerland Geometry\, Algebra 
 and Topology Seminar\n\n\nAbstract\nIt is known that the Grigorchuk group 
 is conjugacy separable\, that is\, for each pair of non-conjugate elements
 \, there exists some finite quotient in which the elements are also not co
 njugate. It is then natural to ask how large of a quotient is necessary to
  distinguish elements of a given length?  The size of such quotients is me
 asured by the conjugacy depth function. In this talk\, we present bounds o
 n the conjugacy depth function for the first Grigorchuk group.\n
LOCATION:https://researchseminars.org/talk/SwissGAT/2/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Corentin Bodart (Université de Genève)
DTSTART:20240227T150000Z
DTEND:20240227T160000Z
DTSTAMP:20260422T132752Z
UID:SwissGAT/3
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/SwissGAT/3/"
 >Membership problems in nilpotent groups</a>\nby Corentin Bodart (Universi
 té de Genève) as part of West Switzerland Geometry\, Algebra and Topolog
 y Seminar\n\n\nAbstract\nThe talk will focus on the Submonoid and the Rati
 onal Subset Membership problems in nilpotent groups. Whereas the Subgroup 
 Membership is decidable in all nilpotent groups by a classical result of M
 alcev\, both of our problems are undecidable in large enough nilpotent gro
 ups by results of Romanikov\, putting nilpotent groups on the boundary bet
 ween decidability and undecidability. I’ll explain a non-obvious link be
 tween the two problems. Most importantly\, this link can be used to prove 
 the existence of a nilpotent group with decidable Submonoid Membership and
  undecidable Rational Subset Membership. I’ll also give some ideas on ho
 w to solve both problems in a few more groups\, including the Rational Sub
 set Membership for the 3-dimensional Heisenberg group.\n
LOCATION:https://researchseminars.org/talk/SwissGAT/3/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Benedek Dombos (Université de Genève)
DTSTART:20240312T150000Z
DTEND:20240312T160000Z
DTSTAMP:20260422T132752Z
UID:SwissGAT/4
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/SwissGAT/4/"
 >🔮 of type A</a>\nby Benedek Dombos (Université de Genève) as part of
  West Switzerland Geometry\, Algebra and Topology Seminar\n\nAbstract: TBA
 \n
LOCATION:https://researchseminars.org/talk/SwissGAT/4/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Virgile Constantin (EPFL)
DTSTART:20240326T150000Z
DTEND:20240326T160000Z
DTSTAMP:20260422T132752Z
UID:SwissGAT/5
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/SwissGAT/5/"
 >Exploring Topos Theory: From Generalized Spaces to Universal Algebra</a>\
 nby Virgile Constantin (EPFL) as part of West Switzerland Geometry\, Algeb
 ra and Topology Seminar\n\n\nAbstract\nTopos theory\, a branch of category
  theory\, provides a framework for understanding mathematical structures f
 rom a variety of perspectives. We explore three viewpoints through which t
 oposes can be understood: as generalized spaces\, as universes of sets\, a
 nd as generalized theories. This is an introductory talk aimed to a genera
 l audience (although reviewing the definition and basic examples of catego
 ries will certainly be very helpful!).\n
LOCATION:https://researchseminars.org/talk/SwissGAT/5/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Bruno Ignacio Gálvez Araneda (EPFL)
DTSTART:20240402T140000Z
DTEND:20240402T150000Z
DTSTAMP:20260422T132752Z
UID:SwissGAT/6
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/SwissGAT/6/"
 >Exodromy in all its forms</a>\nby Bruno Ignacio Gálvez Araneda (EPFL) as
  part of West Switzerland Geometry\, Algebra and Topology Seminar\n\n\nAbs
 tract\nIn the realm of stratified spaces\, the notion of exit path categor
 ies emerges as a fundamental construct\, shedding light on the intricate t
 opological and categorical structures inherent in these mathematical objec
 ts. This category allows to study monodromy in the context of stratified s
 paces\, and obtain a equivalece known as exodromy. Through theoretical elu
 cidation\, illustrative examples\, and “applications”\, this talk aims
  to provide attendees with a comprehensive understanding of exit path cate
 gories in stratified spaces and exodromy. Join us as we unravel the intric
 ate layers of stratification and embark on a journey toward deeper mathema
 tical insight.\n
LOCATION:https://researchseminars.org/talk/SwissGAT/6/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Thiziri Moulla (EPFL)
DTSTART:20240423T140000Z
DTEND:20240423T150000Z
DTSTAMP:20260422T132752Z
UID:SwissGAT/7
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/SwissGAT/7/"
 >On the minimal volume entropy of finitely generated groups</a>\nby Thizir
 i Moulla (EPFL) as part of West Switzerland Geometry\, Algebra and Topolog
 y Seminar\n\n\nAbstract\nIn this talk I'll speak about the minimal volume 
 entropy of finitely presented groups and I'll give some properties. After 
 this\, we will see another concept of minimal volume entropy given here fo
 r geometrically finite groups\, and then I'll present a comparative analys
 is of these two notions. Finally\, I'll introduce a class of groups called
  Soft Groups and its particularities in the study.\n
LOCATION:https://researchseminars.org/talk/SwissGAT/7/
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