[Turkmath:4779] Seminar on March 5, 2021 via Zoom

[Mehmet Akif Erdal]

Dear list members,

You are most cordially invited to the "Yeditepe Mathematics 25th Year
Seminars" organized by the Department of Mathematics at Yeditepe
University. The details of this week's talk are as follows:

Title: Classical and New Plumbings Bounding Contractible Manifolds and
Homology Balls

Speaker:  Oğuz Şavk (Boğaziçi University)

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 together. Our approach is based on Mazur’s famous
argument which provides a unification of all results in a fairly simple
way.

Date: Friday, March 5, 2021
Time: 16:00
Zoom: Please send an e-mail for the seminar link.
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