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Speaker:
Daniel Kasprowski
Affiliation:
University of Southampton/MPIM
Date:
Thu, 10/08/2023 - 12:00 - 13:00
Location:
MPIM Lecture Hall
Parent event:
Low-dimensional topology seminar The star construction due to Freedman-Quinn and Stong is used to construct homotopy equivalent manifolds with opposite Kirby-Siebenmann invariant.
Inspired by this we present a smooth construction that can yield smooth manifolds that are homotopy equivalent but not (stably) homeomorphic.
This is joint work with Mark Powell and Aru Ray.
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