Knot contact homology as a planar limit of Chern-Simons theory

Fuente: arXiv
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Autori principali: Webster, Ben, Zaimi, Meri
Natura: Preprint
Pubblicazione: 2026
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author Webster, Ben
Zaimi, Meri
author_facet Webster, Ben
Zaimi, Meri
contents We prove a conjecture relating augmentation varieties to the large $N$ limit of Chern-Simons theory. Although this does not directly establish that the augmentation polynomial of a knot is the classical limit of a deformed $\hat{A}$-polynomial -- as suggested by Aganagić and Vafa -- it reduces the problem to characterizing certain algebraic properties of a module over the quantum torus, introduced in work of Gaiotto, Kannagi, and Sanjurjo. We term this the \emph{HOMFLYPT difference module}, which captures relations between the colored HOMFLYPT polynomials of different antisymmetric colorings. We demonstrate that the classical limit of this difference module for a knot is precisely the degree 0 abelianized knot contact homology of the knot, and we provide a natural extension of this result to links.
format Preprint
id arxiv_https___arxiv_org_abs_2602_12404
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Knot contact homology as a planar limit of Chern-Simons theory
Webster, Ben
Zaimi, Meri
Geometric Topology
Quantum Algebra
Representation Theory
We prove a conjecture relating augmentation varieties to the large $N$ limit of Chern-Simons theory. Although this does not directly establish that the augmentation polynomial of a knot is the classical limit of a deformed $\hat{A}$-polynomial -- as suggested by Aganagić and Vafa -- it reduces the problem to characterizing certain algebraic properties of a module over the quantum torus, introduced in work of Gaiotto, Kannagi, and Sanjurjo. We term this the \emph{HOMFLYPT difference module}, which captures relations between the colored HOMFLYPT polynomials of different antisymmetric colorings. We demonstrate that the classical limit of this difference module for a knot is precisely the degree 0 abelianized knot contact homology of the knot, and we provide a natural extension of this result to links.
title Knot contact homology as a planar limit of Chern-Simons theory
topic Geometric Topology
Quantum Algebra
Representation Theory
url https://arxiv.org/abs/2602.12404