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# Tye Lidman : Homology cobordisms with no 3-handles

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 which naturally arise from Stein manifolds. This is joint work with Ali Daemi, Jen Hom, Shea Vela-Vick, and Mike Wong.

**Category**: Geometry and Topology**Duration**: 01:24:46**Date**: February 24, 2020 at 3:10 PM-
**Tags:**seminar, Geometry/topology Seminar

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