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SUMMARY:Paolo Antonini (SISSA Trieste)
DTSTART:20200609T123000Z
DTEND:20200609T133000Z
DTSTAMP:20260422T151608Z
UID:GoeTop/7
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/GoeTop/7/">T
 he Baum–Connes conjecture localised at the unit element of a discrete gr
 oup</a>\nby Paolo Antonini (SISSA Trieste) as part of Göttingen topology 
 and geometry seminar\n\n\nAbstract\nLet Γ be a discrete group\; we constr
 uct a Baum–Connes map localised at the\nunit element of Γ. This is an a
 ssembly map in KK–theory with real coefficients\nleading to a form of th
 e Baum–Connes conjecture which is intermediate between\nthe Baum–Conne
 s conjecture and the Strong Novikov conjecture.\nThe localised assembly ma
 p has an interesting property: it is functorial with\nrespect to group mor
 phisms.\nWe explain the construction and we show that the relation with th
 e Novikov\nconjecture follows from a comparison at the level of KKR-theory
  of the classifying space for free and proper actions EΓ with the classif
 ying space for proper\nactions EΓ.\nBased on joint work with Sara Azzali 
 and Georges Skandalis.\n
LOCATION:https://researchseminars.org/talk/GoeTop/7/
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