Surface slices and homology spheres

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Date: 6/9/23
Speaker :Clayton McDonald

AGDT Seminar

Seminars

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    Abstract: We develop the theory of the diagrammatics of surface cross sections to prove that there are an infinite number of homology 3-spheres smoothly embeddable in a homology 4-sphere but not in a homotopy 4-sphere. Our primary obstruction comes from work of Taubes.

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