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Homology cobordisms with no 3-handles

Duke Math
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Monday, February 24, 2020
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3:15 pm - 4:15 pm
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Tye Lidman (North Carolina State University, Mathematics)
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Geometry/topology Seminar

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.