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Let l be an oriented link of d components in a homology 3-sphere. For any nonnegative integer q, let l(q) be the link of d-1 components obtained from l by performing 1/q surgery on the dth component. Then the Mahler measure of the Alexander…

Geometric Topology · Mathematics 2007-05-23 Daniel S. Silver , Susan G. Williams

We present computational data and heuristic arguments which suggest that given a hyperbolic knot the volume correlates with its determinant, the Mahler measure of its Alexander polynomial and the Mahler measure of the twisted Alexander…

Geometric Topology · Mathematics 2011-02-21 Stefan Friedl , Nicholas Jackson

We show that given n>0, there exists a hyperbolic knot K with trivial Alexander polynomial, trivial finite type invariants of order <=n, and such that the volume of the complement of K is larger than n. This contrasts with the known…

Geometric Topology · Mathematics 2014-10-01 Efstratia Kalfagianni

Let $\Delta_{L,\rho_n}(t)$ be the twisted Alexander polynomial with respect to the representation given by the composition of the lift of the holonomy representation of a certain hyperbolic link $L$ and the $n$-dimensional irreducible…

Geometric Topology · Mathematics 2019-02-08 Hiroshi Goda

For a hyperbolic knot and a natural number n, we consider the Alexander polynomial twisted by the n-th symmetric power of a lift of the holonomy. We establish the asymptotic behavior of these twisted Alexander polynomials evaluated at unit…

Geometric Topology · Mathematics 2020-01-01 Léo Bénard , Jérôme Dubois , Michael Heusener , Joan Porti

We find that Alexander polynomial of a ribbon knot in $ \mathbb{Z}HS^3 $ is determined by the intrinsic singularity information of its ribbon, and give a formula to calculate Alexander polynomial of a ribbon knot by that. We define half…

Geometric Topology · Mathematics 2026-05-21 Sheng Bai

In this paper we apply the twisted Alexander polynomial to study the fibering and genus detecting problems for oriented links. In particular we generalize a conjecture of Dunfield, Friedl and Jackson on the torsion polynomial of hyperbolic…

Geometric Topology · Mathematics 2016-10-24 Takayuki Morifuji , Anh T. Tran

We give a volume formula of hyperbolic knot complements using twisted Alexander invariants.

Geometric Topology · Mathematics 2017-02-22 Hiroshi Goda

The augmentation variety of a knot is the locus, in the 3-dimensional coefficient space of the knot contact homology dg-algebra, where the algebra admits a unital chain map to the complex numbers. We explain how to express the Alexander…

Symplectic Geometry · Mathematics 2024-03-11 Luís Diogo , Tobias Ekholm

In a previous paper, we introduced special types of fusions, so called simple-ribbon fusions on links. A knot obtained from the trivial knot by a finite sequence of simple-ribbon fusions is called a simple-ribbon knot. Every ribbon knot…

Geometric Topology · Mathematics 2024-01-01 Kengo Kishimoto , Tetsuo Shibuya , Tatsuya Tsukamoto , Tsuneo Ishikawa

We study a twisted Alexander polynomial naturally associated to a hyperbolic knot in an integer homology 3-sphere via a lift of the holonomy representation to SL(2, C). It is an unambiguous symmetric Laurent polynomial whose coefficients…

Geometric Topology · Mathematics 2014-07-31 Nathan M. Dunfield , Stefan Friedl , Nicholas Jackson

A classical result in knot theory says that the Alexander polynomial of a fibered knot is monic and that its degree equals twice the genus of the knot. This result has been generalized by various authors to twisted Alexander polynomials and…

Geometric Topology · Mathematics 2018-12-24 Stefan Friedl , Stefano Vidussi

In this paper we show that the twisted Alexander polynomial associated to a parabolic representation determines fiberedness and genus of a wide class of 2-bridge knots. As a corollary we give an affirmative answer to a conjecture of…

Geometric Topology · Mathematics 2016-01-20 Takayuki Morifuji , Anh T. Tran

The Volume conjecture claims that the hyperbolic Volume of a knot is determined by the colored Jones polynomial. The purpose of this article is to show a Volume-ish theorem for alternating knots in terms of the Jones polynomial, rather than…

Geometric Topology · Mathematics 2010-07-27 Oliver Dasbach , Xiao-Song Lin

For arborescent links, we present an efficient method of computing their Alexander polynomials. Applying this method, we express the Alexander polynomials of Montesinos links in terms of certain functions associated to rational tangles…

Geometric Topology · Mathematics 2026-04-02 Haimiao Chen

We introduce a version of the Alexander polynomial for singular knots and tangles and show how it can be strengthened considerably by introducing a perturbation. For singular long knots, we also prove that our Alexander polynomial agrees…

Geometric Topology · Mathematics 2024-09-27 Martine Schut , Roland van der Veen

We use the famous knot-theoretic consequence of Freedman's disc theorem---knots with trivial Alexander polynomial bound a locally-flat disc in the 4-ball---to prove the following generalization. The degree of the Alexander polynomial of a…

Geometric Topology · Mathematics 2017-10-13 Peter Feller

We show that the volumes of certain hyperbolic A-adequate links can be bounded (above and) below in terms of two diagrammatic quantities: the twist number and the number of certain alternating tangles in an A-adequate diagram. We then…

Geometric Topology · Mathematics 2018-07-31 Adam Giambrone

To any prime alternating link, we associate a collection of hyperbolic right-angled ideal polyhedra by relating geometric, topological and combinatorial methods to decompose the link complement. The sum of the hyperbolic volumes of these…

Geometric Topology · Mathematics 2022-08-10 Abhijit Champanerkar , Ilya Kofman , Jessica S. Purcell

For a knot in the 3-sphere, the Upsilon invariant is a piecewise linear function defined on the interval [0,2]. For an L-space knot, the Upsilon invariant is determined only by the Alexander polynomial of the knot. We exhibit infinitely…

Geometric Topology · Mathematics 2024-03-26 Masakazu Teragaito
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