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Topology/Geometry Seminar

Classical and new plumbings bounding contractible manifolds and homology balls

Oguz Savk (Bogaziçi University)

Location:  zoom link:
Date & time: Tuesday, 06 April 2021 at 3:50PM - 4:50PM

A central problem in low-dimensional topology asks which homology 3-spheres bound contractible 4-manifolds and homology 4-balls. In this talk, we address this problem for plumbed 3-manifolds and we present the classical and new results together. Our approach is based on Mazur’s famous argument which provides a unification of all results in a fairly simple way.

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