A new concordance homomorphism from Khovanov homology

Published 16 Jan 2024 in math.GT and math.QA | (2401.08480v1)

Abstract: The universal Khovanov chain complex of a knot modulo an appropriate equivalence relation is shown to yield a homomorphism on the smooth concordance group, which is strictly stronger than all Rasmussen invariants over fields of different characteristics combined.

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Authors (1)

Lukas Lewark

Citations (2)

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