[Binghamton Geometry Topology Seminar] (no subject)

[Matthew R Haulmark]

 Hi everyone,

Today we are pleased to have Oğuz Şavk (Boğaziçi University) speaking about
homology 3-spheres, title and abstract below. As usual, the talk will be on
Thursday at 2:50pm in WH 100E.

The speaker will be delivering the talk remotely, and we'll project it in
WH 100E. In case you can't make it and would like to join remotely, you can
join at the link:

https://binghamton.zoom.us/j/94800072611

Due to the weather, there will be no seminar lunch today.

MH

Title: Homology 3-spheres bounding contractible 4-manifolds and homology
4-balls
Abstract: 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. Our approach is based on Mazur’s famous argument
and its generalization, they together provide a unification of all
recognized results.
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