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Homology cobordisms with no 3-handles


Speaker: Tye Lidman, North Carolina State University
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Location: 3106 MSB
Start time: Thu, Feb 13 2020, 3:10PM

Homology cobordisms are a special type of manifold which are relevant to a variety of areas in geometric topology, including knot theory and triangulability. We study the behavior of a variety of invariants under a particular family of four-dimensional homology cobordisms, including Floer homology and character varieties. This is joint work with Ali Daemi, Shea Vela-Vick, and Mike Wong.