[Geometry, Topology and Dynamics Seminar] The General 4 dimensional Light Bulb Theorem by Dr. David Gabai (Princeton University)

Date

Wednesday, January 23, 2019 - 16:00 to 17:00

Location

Lab 3, B700

Description

Abstract: We discuss the theorem that in a compact 4-manifold that has no 2-torsion, homotopy implies smooth isotopy for smooth embedded 2-spheres with a common embedded transverse sphere. By transverse sphere we mean a sphere with trivial normal bundle that intersects each of the other spheres transversely exactly once.

 

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