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cmruedig

Robin Stoll (Stockholm University): The stable cohomology of automorphisms of connected sums of S^k x S^l

Wednesday, 23.11.2022 16:30 im Raum SRZ 203

Mathematik und Informatik

ABSTRACT I will explain an identification of the stable cohomology of the classifying spaces of homotopy automorphisms and of block diffeomorphisms of connected sums of S^k x S^l (relative to an embedded disk), where 2 < k < l < 2k-1. The results are expressed in terms of versions of Lie graph complex homology, the construction of which I will recall. This also leads to a computation, in a range of degrees, of the stable cohomology of the classifying spaces of diffeomorphisms of these manifolds. In the case l = k+1, this recovers and extends recent results of Ebert--Reinhold.



Angelegt am Monday, 17.10.2022 09:08 von cmruedig
Geändert am Monday, 17.10.2022 09:08 von cmruedig
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