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Nils Prigge: Invariants of foliated sphere bundles

Time: Tue 2024-10-22 11.00 - 12.00

Location: Cramer room, Albano

Participating: Nils Prigge (SU)

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Abstract

For a topological group one can study its continuous cohomology and compare it to the cohomology of the underlying (discrete) group. I will discuss two results about these notions of cohomology associated with the diffeomorphism group of spheres. In particular, I will showcase connections to more familiar objects in algebraic topology that are used in the proof.