A new concordance homomorphism from Khovanov homology
Geometric Topology
2024-01-17 v1 Quantum Algebra
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.
Cite
@article{arxiv.2401.08480,
title = {A new concordance homomorphism from Khovanov homology},
author = {Lukas Lewark},
journal= {arXiv preprint arXiv:2401.08480},
year = {2024}
}
Comments
25 pages, 1 figure, comments welcome