A new concordance homomorphism from Khovanov homology
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.
- Publication:
-
arXiv e-prints
- Pub Date:
- January 2024
- DOI:
- arXiv:
- arXiv:2401.08480
- Bibcode:
- 2024arXiv240108480L
- Keywords:
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- Mathematics - Geometric Topology;
- Mathematics - Quantum Algebra;
- 57K10;
- 57K18
- E-Print:
- 25 pages, 1 figure, comments welcome