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Jennifer Hom, Georgia Tech, Heegaard Floer and homology cobordism

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February 28 | 10:40 am - 11:30 am EST

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We study applications of Heegaard Floer homology to homology cobordism. In particular, to a homology sphere Y, we associate a module HF_conn(Y), called the connected Heegaard Floer homology of Y, and show that this module is invariant under homology cobordism and isomorphic to a summand of HF_red(Y). The definition of this invariant relies on involutive Heegaard Floer homology. This is joint work with Kristen Hendricks and Tye Lidman.


February 28
10:40 am - 11:30 am
Event Category:
SAS 4201