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The Alexander theorem (1923) and the Markov theorem (1936) are two classical results in knot theory that show respectively that every link is the closure of a braid and that braids that have the same closure are related by a finite number…

Geometric Topology · Mathematics 2024-06-21 Alice Merz

We express the zeta function associated to the Laplacian operator on $S^1_r\times M$ in terms of the zeta function associated to the Laplacian on $M$, where $M$ is a compact connected Riemannian manifold. This gives formulas for the…

Mathematical Physics · Physics 2009-11-10 G. Ortenzi , M. Spreafico

We give a new construction of the one-variable Alexander polynomial of an oriented knot or link, and show that it generalizes to a vector valued invariant of oriented tangles.

Geometric Topology · Mathematics 2012-03-27 Stephen Bigelow

We give an explicit formula of the coefficients of the Zeta-Function's L-polynomial for algebraic function fields over finite constant fields. Thus, we deduce an expression of the class number of algebraic function fields defined over…

Algebraic Geometry · Mathematics 2026-02-26 Mahdi Mohamed Koutchoukali

For a $\mathbb{Z}^d$-action $\alpha$ by commuting homeomorphisms of a compact metric space, Lind introduced a dynamical zeta function that generalizes the dynamical zeta function of a single transformation. In this article, we investigate…

Dynamical Systems · Mathematics 2018-11-16 Richard Miles , Thomas Ward

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

In this paper we introduce the tied links, i.e. ordinary links provided with some ties between strands. The motivation for introducing such objects originates from a diagrammatical interpretation of the defining generators of the so-called…

Geometric Topology · Mathematics 2016-06-06 Francesca Aicardi , Jesus Juyumaya

A knot in the 3-sphere in genus-1 1-bridge position (called a (1,1)-position) can be described by an element of the braid group of two points in the torus. Our main results tell how to translate between a braid group element and the…

Geometric Topology · Mathematics 2011-08-05 Sangbum Cho , Darryl McCullough

We describe symmetries of the braid monodromy decomposition for a class of plane curves defined over reals including the real curves with no real points and proving new divisibility relations for Alexander invariants of such curves.

Algebraic Geometry · Mathematics 2023-06-22 A. Libgober

We introduce a natural weighted enumeration of lattice points in a polytope, and give a Brion-type formula for the corresponding generating function. The weighting has combinatorial significance, and its generating function may be viewed as…

Algebraic Geometry · Mathematics 2023-02-09 Dave Anderson , Aniket Shah

In this paper we discuss a pair of polynomial knot invariants $\Theta=(\Delta,\theta)$ which is: * Theoretically and practically fast: $\Theta$ can be computed in polynomial time. We can compute it in full on random knots with over 300…

Geometric Topology · Mathematics 2026-05-07 Dror Bar-Natan , Roland van der Veen

Given a knot, we develop methods for finding the braid representative that minimizes the number of simple walks. Such braids lead to an efficient method for computing the colored Jones polynomial of $K$, following an approach developed by…

Geometric Topology · Mathematics 2023-01-10 Hans U. Boden , Matthew Shimoda

We construct a braiding operator in terms of the quantum dilogarithm function based on the quantum cluster algebra. We show that it is a q-deformation of the R-operator for which hyperbolic octrahedron is assigned. Also shown is that, by…

Quantum Algebra · Mathematics 2014-11-19 Kazuhiro Hikami , Rei Inoue

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 propose a new non-commutative generalization of the representation variety and the character variety of a knot group. Our strategy is to reformulate the construction of the algebra of functions on the space of representations in terms of…

Geometric Topology · Mathematics 2022-12-01 Jun Murakami , Roland van der Veen

We review the q-deformed spin network approach to Topological Quantum Field Theory and apply these methods to produce unitary representations of the braid groups that are dense in the unitary groups. Our methods are rooted in the bracket…

Quantum Physics · Physics 2007-05-23 Louis H. Kauffman , Samuel J. Lomonaco

This is the first of two papers in which we introduce and study two bivariate zeta functions associated to unipotent group schemes over rings of integers of number fields. One of these zeta functions encodes the numbers of isomorphism…

Group Theory · Mathematics 2020-07-22 Paula Macedo Lins de Araujo

Twisted Alexander invariants of knots are well-defined up to multiplication of units. We get rid of this multiplicative ambiguity via a combinatorial method and define normalized twisted Alexander invariants. We then show that the…

Geometric Topology · Mathematics 2015-07-07 Takahiro Kitayama

We study topological zeta functions of complex plane curve singularities using toric modifications and further developments. As applications of the research method, we prove that the topological zeta function is a topological invariant for…

Algebraic Geometry · Mathematics 2021-12-23 Quy Thuong Lê , Khanh Hung Nguyen

We determine the zeta functions of trinomial curves in terms of Gauss sums and Jacobi sums, and we obtain an explicit formula of the genus of a trinomial curve over a finite field, then we study the conditions for a trinomial curve to be a…

Algebraic Geometry · Mathematics 2014-08-12 Menglong Nie