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3517031,0541,405 · Jun 202019922001200920172026
48 results for Kauffman model

We construct a state model for the two-variable Kauffman polynomial using planar trivalent graphs. We also use this model to obtain a polynomial invariant for a certain type of trivalent graphs embedded in three-dimensional space.

2011-07-06abs ↗pdf ↗

Following the recent work by Chan, and by Morton and Hadji on the Homflypt polynomials of some generalized Hopf links, we investigate the Kauffman polynomials of generalized Hopf links. By studying the Kauffman skein module of the solid torus S^1\times D^2, we establish a similar skein map on the Kauffman skein module …

2001-11-30abs ↗pdf ↗

F. Jaeger presented the two-variable Kauffman polynomial of an unoriented link L as a weighted sum of HOMFLY-PT polynomials of oriented links associated with L. Murakami, Ohtsuki and Yamada (MOY) used planar graphs and a recursive evaluation of these graphs to construct a state model for the sl(n)-link invariant (a one…

2013-04-17abs ↗pdf ↗

Paper disproves a theorem about Kauffman bracket skein module structure.

problem Disproving a 22-year-old theorem about Kauffman bracket skein module structure.
method Analyzing handle slidings on compressing discs in handlebodies.
result More relations found than previously predicted for connected sum of handlebodies.

In this paper, we investigate twist sequences for Kauffman finite-type invariants and Goussarov-Polyak-Viro finite-type invariants. It is shown that one obtains a Kauffman or GPV type of degree n\le n if and only if an invariant is a polynomial of degree n\le n on every twist lattice of the right form. The main resul…

2009-08-11abs ↗pdf ↗

We define two new invariants for tied links. One of them can be thought as an extension of the Kauffman polynomial and the other one as an extension of the Jones polynomial which is constructed via a bracket polynomial for tied links. These invariants are more powerful than both the Kauffman and the bracket polynomials…

2016-07-17abs ↗pdf ↗

The W-polynomial is applied in two ways to questions involving the Kauffman bracket of some families of links. First we find a geometric property of a link diagram, which is less than or equal to the twist number, that bounds the Mahler measure of the Kauffman bracket. Second we find a general form for the Kauffman bra…

2010-01-29abs ↗pdf ↗

The 2-bridge knots are a family of knots with bridge number 2. In this paper, we compute the Kauffman polynomials of 2-bridge knots using the Kauffman skein theory and linear algebra techniques. Our calculation can be easily carried out using Mathematica, Maple, Mathcad, etc.

2006-06-05abs ↗pdf ↗

We give an explicit formula for the action of the Dehn twist along a simple closed curve in a compact connected oriented surface on the completion of the filtered skein modules. To do this, we introduce filtrations of the Kauffman bracket skein algebra and the Kauffman bracket skein modules on the surface.

2015-10-17abs ↗pdf ↗

Researchers solved a conjecture about a mathematical structure of connected sums of solid tori.

problem Determining the structure of Kauffman bracket skein module of connected sums of solid tori.
method Used algebraic methods over the ring of Laurent polynomials to prove the conjecture.
result Proved a conjecture about the Kauffman bracket skein module of connected sums of genus one handlebodies.

Let k be a subring of the field of rational functions in α, s which contains α^{1}, α^{-1}, s^{1}, s^{-1}, . Let M be a compact oriented 3-manifold, and let K(M) denote the Kauffman skein module of M over k. Then K(M) is the free k-module generated by isotopy classes of framed links in M modulo the Kauffman skein relat…

2001-10-18abs ↗pdf ↗

We study the structural properties of colored Kauffman homologies of knots. Quadruple-gradings play an essential role in revealing the differential structure of colored Kauffman homology. Using the differential structure, the Kauffman homologies carrying the symmetric tensor products of the vector representation for th…

2013-10-08abs ↗pdf ↗

We show that the Kauffman bracket skein module of a cylinder over the torus embeds as a subalgebra of the noncommutative torus. Using this we derive nice formulas for the Jones-Wenzl idempotents and analyze the structure of the Kauffman bracket skein module of the unknot as a module over the Kauffman bracket skein modu…

1998-06-19abs ↗pdf ↗

The paper computes a knot's Kauffman bracket polynomial using recursive concatenation of a 4-tangle shadow.

problem Computing the Kauffman bracket polynomial for complex knots.
method Recursive concatenation of a 4-tangle shadow, followed by a closure operation and polynomial computation.
result A method to compute the Kauffman bracket polynomial for knots formed from 4-tangle shadows.

The paper proves a generalized Kauffman-Harary conjecture for prime determinant links.

problem Proving a generalized Kauffman-Harary conjecture for prime determinant links.
method Using Fox colorings and properties of reduced alternating diagrams.
result For every pair of distinct arcs in a prime determinant link, there exists a Fox coloring that distinguishes them.

This paper gives a self-contained and complete proof of the isomorphism of freely generated monoids extracted from Temperley-Lieb algebras with monoids made of Kauffman's diagrams.

2000-08-24abs ↗pdf ↗

Skein modules are the main objects of an algebraic topology based on knots (or position). In the same spirit as Leibniz we would call our approach "algebra situs." When looking at the panorama of skein modules we see, past the rolling hills of homologies and homotopies, distant mountains - the Kauffman bracket skein mo…

1998-09-21abs ↗pdf ↗

The topological string interpretation of homological knot invariants has led to several insights into the structure of the theory in the case of sl(N). We study possible extensions of the matrix factorization approach to knot homology for other Lie groups and representations. In particular, we introduce a new triply gr…

2005-12-22abs ↗pdf ↗

In this paper the properties of the Kauffman bracket skein module of L(p,q)L(p,q) are investigated. Links in lens spaces are represented both through band and disk diagrams. The possibility to transform between the diagrams enables us to compute the Kauffman bracket skein module on an interesting class of examples consisti…

2015-06-03abs ↗pdf ↗

This paper refines previous work by the first author. We study the question of which links in the 3-sphere can be obtained as closures of a given 1-manifold in an unknotted solid torus in the 3-sphere (or genus-1 tangle) by adjoining another 1-manifold in the complementary solid torus. We distinguish between even and o…

2014-07-30abs ↗pdf ↗

We show two results about the Conway potential function which is known as the normalized multivariable Alexander polynomial. We first show that the Conway potential function introduced by Kauffman in "Formal Knot Theory" is indeed a link invariant. Next we show that Kauffman's potential function equals Hartley's potent…

2011-03-12abs ↗pdf ↗

A Kauffman bracket on a surface is an invariant for framed links in the thickened surface, satisfying the Kauffman skein relation and multiplicative under superposition. This includes representations of the skein algebra of the surface. We show how an irreducible representation of the skein algebra usually specifies a …

2010-09-01abs ↗pdf ↗

The Kauffman-Vogel polynomials are three variable polynomial invariants of 44-valent rigid vertex graphs. A one-variable specialization of the Kauffman-Vogel polynomials for unoriented 44-valent rigid vertex graphs was given by using the Kauffman bracket and the Jones-Wenzl idempotent colored with 22. Bataineh, Elha…

2017-08-30abs ↗pdf ↗

We propose a new, precise integrality conjecture for the colored Kauffman polynomial of knots and links inspired by large N dualities and the structure of topological string theory on orientifolds. According to this conjecture, the natural knot invariant in an unoriented theory involves both the colored Kauffman polyno…

2009-04-07abs ↗pdf ↗

In this chapter (Chapter III) we introduce the concept of Conway algebras (the notion related to entropic magmas) and describe invariants of links yielded by (partial) Conway algebras (including the Homflypt polynomial and signatures). We present, in detail, a proof (following the original Przytycki-Traczyk 1984 proof)…

2012-09-07abs ↗pdf ↗

Researchers compute the Kauffman bracket skein module of a specific 3-manifold.

problem Understanding the structure of Kauffman bracket skein modules for non-prime manifolds.
method Analyzing handle sliding relations to compute the module over Z[A±1]\mathbb Z[A^{\pm 1}].
result The skein module of (S1imesS2) # (S1imesS2)(S^1 imes S^2) \ \# \ (S^1 imes S^2) does not split into free and torsion submodules.

For a ribbon graph GG we consider an alternating link LGL_G in the 3-manifold G×IG\times I represented as the product of the oriented surface GG and the unit interval II. We show that the Kauffman bracket [LG][L_G] is an evaluation of the recently introduced Bollobas-Riordan polynomial RGR_G. This results generalizes t…

2004-04-27abs ↗pdf ↗