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Speaker:
Markus Land
Affiliation:
U Bonn
Date:
Mon, 20/07/2015 - 15:00 - 16:00
Location:
MPIM Lecture Hall
Parent event:
MPIM Topology Seminar Abstract: In the first part, we review the stable classification program of 4-manifolds using Kreck's modified surgery. In the second part, we will consider smooth spin 4-manifolds whose fundamental group is that of an aspherical, oriented 3-manifold. In this case, we will give a complete set of invariants that determine whether two such manifolds are stably diffeomorphic.
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