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SUMMARY:Krishnendu Khan
DTSTART:20210208T150000Z
DTEND:20210208T160000Z
DTSTAMP:20260423T035933Z
UID:GOBA/19
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/GOBA/19/">Fu
 ndamental group of certain property (T) factors</a>\nby Krishnendu Khan as
  part of Groups\, Operators\, and Banach Algebras Webinar\n\n\nAbstract\nC
 alculation of fundamental group of type $II_1$ factor is\, in general\, an
  extremely hard and central problem in the field of von Neumann algebras. 
 In this direction\, a conjecture due to A. Connes states that the fundamen
 tal group of the group von Neumann algebra associated to any icc property 
 (T) group is trivial. Up to now there was no single example of property (T
 ) factor satisfying the conjecture. In this talk\, I shall provide the fir
 st examples of property (T) group factors (arising from group theoretic co
 nstructions) with trivial fundamental group. This talk is based on a joint
  work with Ionut Chifan\, Sayan Das and Cyril Houdayer.\n
LOCATION:https://researchseminars.org/talk/GOBA/19/
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