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Using the method of Elias-Hogancamp and combinatorics of toric braids we give an explicit formula for the triply graded Khovanov-Rozansky homology of an arbitrary torus knot, thereby proving some of the conjectures of Aganagic-Shakirov,…

Quantum Algebra · Mathematics 2022-04-20 Anton Mellit

This paper discusses the construction of a generalized Alexander polynomial for virtual knots and links, and the reformulation of this invariant as a quantum link invariant. The algebraic background for the generalized Alexander module is…

Geometric Topology · Mathematics 2007-05-23 Louis H. Kauffman , David E. Radford

We prove that the LMO-invariant of a 3-manifold of rank one is determined by the Alexander polynomial of the manifold, and conversely, that the Alexander polynomial is determined by the LMO-invariant. Furthermore, we show that the Alexander…

Quantum Algebra · Mathematics 2016-09-07 Jens Lieberum

This survey explores knot polynomials and their categorification, culminating in the homological invariants of knots. We begin with an overview of classical knot polynomials, progressing towards the superpolynomial and its role in unifying…

Geometric Topology · Mathematics 2025-06-13 Shivrat Sachdeva

In these notes we collect some results about finite dimensional representations of $U_q(\mathfrak{gl}(1|1))$ and related invariants of framed tangles which are well-known to experts but difficult to find in the literature. In particular, we…

Quantum Algebra · Mathematics 2015-03-18 Antonio Sartori

We show that Khovanov homology (and its sl(3) variant) can be understood in the context of higher representation theory. Specifically, we show that the combinatorially defined foam constructions of these theories arise as a family of…

Quantum Algebra · Mathematics 2015-12-01 Aaron D. Lauda , Hoel Queffelec , David E. V. Rose

We show that if the fundamental group of the complement of a rationally homologically fibered knot in a rational homology 3-sphere is bi-orderable, then its Alexander polynomial has at least one positive real root. Our argument can be…

Geometric Topology · Mathematics 2017-04-10 Tetsuya Ito

This is an expository paper discussing some parallels between the Khovanov and knot Floer homologies. We describe the formal similarities between the theories and give some examples which illustrate a somewhat mysterious correspondence…

Geometric Topology · Mathematics 2007-05-23 Jacob Rasmussen

Ozsv\'ath-Szab\'o proved the property that any coefficient of Alexander polynomial of lens space knot is either $\pm1$ or $0$ and the non-zero coefficients are alternating. Combining the formulas of the Alexander polynomial of lens space…

Geometric Topology · Mathematics 2018-06-11 Motoo Tange

We discuss a matrix of periodic holomorphic functions in the upper and lower half-plane which can be obtained from a factorization of an Andersen-Kashaev state integral of a knot complement with remarkable analytic and asymptotic properties…

Geometric Topology · Mathematics 2023-11-02 Stavros Garoufalidis , Don Zagier

We establish a connection between the Alexander polynomial of a knot and its twisted and $L^2$-versions with the triangulations that appear in 3-dimensional hyperbolic geometry. Specifically, we introduce twisted Neumann--Zagier matrices of…

Geometric Topology · Mathematics 2026-03-12 Stavros Garoufalidis , Seokbeom Yoon

This paper reinterprets Alexander-type invariants of knots via representation varieties of knot groups into the group $\textrm{AGL}_1(\mathbb{C})$ of affine transformations of the complex line. In particular, we prove that the coordinate…

Geometric Topology · Mathematics 2025-09-29 Ángel González-Prieto , Javier Martínez , Vicente Muñoz

For knots in $S^3$, it is well-known that the Alexander polynomial of a ribbon knot factorizes as $f(t)f(t^{-1})$ for some polynomial $f(t)$. By contrast, the Alexander polynomial of a ribbon $2$-knot is not even symmetric in general. Via…

Geometric Topology · Mathematics 2019-01-03 Delphine Moussard , Emmanuel Wagner

It has been known that any Alexander polynomial of a knot can be realized by a quasipositive knot. As a consequence, the Alexander polynomial cannot detect quasipositivity. In this paper we prove a similar result about Vassiliev invariants:…

Geometric Topology · Mathematics 2007-05-23 Sebastian Baader

Cochran defined the nth-order integral Alexander module of a knot in the three sphere as the first homology group of the knot's (n+1)th-iterated abelian cover. The case n=0 gives the classical Alexander module (and polynomial). After a…

Geometric Topology · Mathematics 2013-08-20 Peter D. Horn

We present a new conjectural symmetry of the colored Alexander polynomial, that is the specialization of the quantum $\mathfrak{sl}_N$ invariant widely known as the colored HOMFLY-PT polynomial. We provide arguments in support of the…

High Energy Physics - Theory · Physics 2021-04-07 V. Mishnyakov , A. Sleptsov , N. Tselousov

We propose a gauge model of quantum electrodynamics (QED) and its nonabelian generalization from which we derive knot invariants such as the Jones polynomial. Our approach is inspired by the work of Witten who derived knot invariants from…

Quantum Algebra · Mathematics 2007-05-23 Sze Kui Ng

The instanton Floer homology of a knot in the three-sphere is a vector space with a canonical mod 2 grading. It carries a distinguished endomorphism of even degree,arising from the 2-dimensional homology class represented by a Seifert…

Geometric Topology · Mathematics 2016-01-20 P. B. Kronheimer , T. S. Mrowka

We realize a given (monic) Alexander polynomial by a (fibered) hyperbolic arborescent knot and link of any number of components, and by infinitely many such links of at least 4 components. As a consequence, a Mahler measure minimizing…

Geometric Topology · Mathematics 2007-12-07 A. Stoimenow

Building on the approach of Bar-Natan and Van der Veen to universal knot invariants using (perturbed) Gaussian functions, we develop a Gaussian model to compute the Alexander polynomial $\Delta_{\mathcal{K}}(T)$ of an oriented knot…

Geometric Topology · Mathematics 2026-05-21 Boudewijn Bosch