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SUMMARY:The Farrell­–Tate K-theory of Out(Fn) [Geometric Group Theory O
 berseminar]
DTSTART:20251210T100000Z
DTEND:20251210T110000Z
DTSTAMP:20260305T165400Z
UID:indico-event-803@math-events.uni-bonn.de
DESCRIPTION:Speakers: Naomi Andrew (Université Paris-Saclay)\n\nGiven a (
 nice enough) group\, there is an isomorphism\, due to Lück\, relating the
  rationalised K-theory groups of its classifying space to a large product 
 of cohomology groups\, some with rational and some with p-adic coeffecient
 s.\nIn recent joint work with Irakli Patchkoria\, we identify a generalise
 d cohomology theory capturing the p-adic part of this product. Working in 
 Out(Fn)\, in ranks close to p we can fully compute this p-adic part and in
  this way produce an infinite family of odd-dimensional summands in the ra
 tionalised K-theory of Out(Fn). \n\nhttps://math-events.uni-bonn.de/event
 /803/
LOCATION:Endenicher Allee 60/0-008 (Mathezentrum)
URL:https://math-events.uni-bonn.de/event/803/
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