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We address the question: Does there exist a non-trivial knot with a trivial Jones polynomial? To find such a knot, it is almost certainly sufficient to find a non-trivial braid on four strands in the kernel of the Burau representation. I…

Geometric Topology · Mathematics 2007-05-23 Stephen J. Bigelow

The Jones unknot conjecture states that the Jones polynomial distinguishes the unknot from nontrivial knots. We prove it for knots up to 23 crossings.

Geometric Topology · Mathematics 2018-09-10 Robert E. Tuzun , Adam S. Sikora

We introduce tensor network contraction algorithms for the evaluation of the Jones polynomial of arbitrary knots. The value of the Jones polynomial of a knot maps to the partition function of a $q$-state Potts model defined as a planar…

Statistical Mechanics · Physics 2019-09-16 Konstantinos Meichanetzidis , Stefanos Kourtis

We derive an upper bound on the density of Jones polynomials of knots modulo a prime number $p$, within a sufficiently large degree range: $4/p^7$. As an application, we classify knot Jones polynomials modulo two of span up to eight.

Geometric Topology · Mathematics 2024-01-25 Valeriano Aiello , Sebastian Baader , Livio Ferretti

It has been argued based on electric-magnetic duality and other ingredients that the Jones polynomial of a knot in three dimensions can be computed by counting the solutions of certain gauge theory equations in four dimensions. Here, we…

High Energy Physics - Theory · Physics 2015-05-28 Davide Gaiotto , Edward Witten

The Jones polynomial of a knot in 3-space is a Laurent polynomial in $q$, with integer coefficients. Many people have pondered why is this so, and what is a proper generalization of the Jones polynomial for knots in other closed…

Geometric Topology · Mathematics 2007-05-23 Stavros Garoufalidis , Thang T. Q. Le

A knot k is called ``strongly (n-1)-trivial.'' if there exists a projection of k, such that one can choose n crossings of the projection with the property that making the crossing changes corresponding to any of the $2^{n}-1$ nontrivial…

Geometric Topology · Mathematics 2007-05-23 Hugh Howards , John Luecke

We compute the Jones polynomial for a three-parameter family of links, the twisted torus links of the form $T((p,q),(2,s))$ where $p$ and $q$ are coprime and $s$ is nonzero. When $s = 2n$, these links are the twisted torus knots…

Geometric Topology · Mathematics 2023-08-02 Brandon Bavier , Brandy Doleshal

We solve the Jones conjecture, which states that the exponent sum in a minimal braid representation of a knot in S^3 is a knot invariant, by proving a generalized version of the original one. We apply contact geometry to study this problem…

Geometric Topology · Mathematics 2008-08-05 Keiko Kawamuro

For all natural numbers $N$ and prime numbers $p$, we find a knot $K$ whose skein polynomial $P_K(a,z)$ evaluated at $z=N$ has trivial reduction modulo $p$. An interesting consequence of our construction is that all polynomials $P_K(a,N)$…

Geometric Topology · Mathematics 2022-05-16 Sebastian Baader

Let K in S^3 be a knot, and let \widetilde{K} denote the preimage of K inside its double branched cover, \Sigma(K). We prove, for each integer n > 1, the existence of a spectral sequence from Khovanov's categorification of the reduced…

Geometric Topology · Mathematics 2008-10-13 J. Elisenda Grigsby , Stephan Wehrli

Although most knots are nonalternating, modern research in knot theory seems to focus on alternating knots. We consider here nonalternating knots and their properties. Specifically, we show certain classes of knots have nontrivial Jones…

Geometric Topology · Mathematics 2009-07-13 Neil R. Nicholson

The paper introduces Slope Conjecture which relates the degree of the Jones polynomial of a knot and its parallels with the slopes of incompressible surfaces in the knot complement. More precisely, we introduce two knot invariants, the…

Geometric Topology · Mathematics 2010-05-26 Stavros Garoufalidis

The unknotting number of a positive braid with n strands and k intersections is known to be equal to (k-n+1)/2. We consider Lorenz knots (which are positive braids) and, using a different method, find their unknotting numbers in terms of…

Geometric Topology · Mathematics 2015-03-04 Lilya Lyubich

Extending upon our previous work, we verify the Jones Unknot Conjecture for all knots up to $24$ crossings. We describe the method of our approach and analyze the growth of the computational complexity of its different components.

Geometric Topology · Mathematics 2021-03-25 Robert E. Tuzun , Adam S. Sikora

A knot in the 3-sphere is said to have zero negative unknotting number if it can be transformed into the unknot by performing only positive crossing changes. In this paper, we provide an obstruction for a knot to having zero negative…

Geometric Topology · Mathematics 2016-04-08 Yuanyuan Bao

We explore under what conditions one can obtain a nontrivial knot, given a collection of $n$ vectors. First, we show how to get a crossing from any 3 vectors equal in magnitude, by arbitrarily picking 2 vectors and identifying the…

Geometric Topology · Mathematics 2016-12-21 Joseph Borgatti

We explore the application of automated reasoning techniques to unknot detection, a classical problem of computational topology. We adopt a two-pronged experimental approach, using a theorem prover to try to establish a positive result…

Logic in Computer Science · Computer Science 2014-05-19 Andrew Fish , Alexei Lisitsa

A knot K is called n-adjacent to the unknot, if K admits a projection containing n generalized crossings such that changing any m (no larger than n) of them yields a projection of the unknot. We show that a non-trivial satellite knot K is…

Geometric Topology · Mathematics 2007-05-23 Efstratia Kalfagianni , Xiao-Song Lin

We prove that for knots, the evaluation of the Jones polynomial at the sixth root of unity, as well as the evaluation of the $Q$-polynomial at the reciprocal of the golden ratio, are uniquely determined by the oriented homeomorphism type of…

Geometric Topology · Mathematics 2026-01-26 Luana Jost , Lukas Lewark
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