A Stability Range for 4-Manifolds

Ian Hambleton (McMaster University)

Wednesday 31st May, 2023 16:00-17:00 Maths 311B

Abstract

We introduce a new stable range  invariant for the classification of closed, oriented topological 4-manifolds (up to s-cobordism), after stabilization by connected sum with a uniformly bounded number of copies of S2 x S2.

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