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L. Truong 2-3-2022

Title:  Homology concordance and knot Floer homology
Abstract: Two knots in homology 3-spheres are homology concordant if they are smoothly concordant in a homology cobordism. I will explain how to construct integer-valued homomorphisms from this group of knots up to homology concordance. This construction uses knot Floer homology and generalizes concordance homomorphisms for knots in the 3-sphere.

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