Tautological classes for (n,n+1) torus knots
Geometric Topology
2026-01-26 v1 Combinatorics
Representation Theory
Abstract
We construct an explicit isomorphism between the HOMFLY-PT homology of torus knots and the direct sum of hook isotypic components of the space of diagonal coinvariants. As a consequence, we compute the action of tautological classes in HOMFLY-PT homology of torus knots and prove that it extends to an action of the Lie algebra of Hamiltonian vector fields on the plane. We also compute the action of differentials in Rasmussen spectral sequences from HOMLFY-PT to homology of torus knots.
Cite
@article{arxiv.2601.16877,
title = {Tautological classes for (n,n+1) torus knots},
author = {Eugene Gorsky and Anton Mellit},
journal= {arXiv preprint arXiv:2601.16877},
year = {2026}
}
Comments
14 pages