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SUMMARY:Rational homotopy theory of automorphisms of manifolds - Alexander
  Berglund (Stockholm University)
DTSTART:20181206T090000Z
DTEND:20181206T100000Z
UID:TALK115411@talks.cam.ac.uk
CONTACT:INI IT
DESCRIPTION:I will talk about differential graded Lie algebra models for a
 utomorphism groups of simply connected manifolds M. Earlier results by Ib 
 Madsen and myself on models for block diffeomorphisms combined with ration
 al models for Waldhausen&#39\;s algebraic K-theory of spaces suggest a mod
 el for the group of diffeomorphisms homotopic to the identity\, valid in t
 he so-called pseudo-isotopy stable range. If time admits\, I will also dis
 cuss how to express the generalized Miller-Morita-Mumford classes in the c
 ohomology of BDiff(M) in terms of these models.
LOCATION:Seminar Room 1\, Newton Institute
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