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April 20 Link invariants, the chromatic polynomial and the Potts model
Paul Fendley, Vyacheslav Krushkal
Adv. Theor. Math. Phys. 14(2): 507-540 (April 20).

Abstract

We study the connections between link invariants, the chromatic polynomial, geometric representations of models of statistical mechanics, and their common underlying algebraic structure. We establish a relation between several algebras and their associated combinatorial and topological quantities. In particular, we define the chromatic algebra, whose Markov trace is the chromatic polynomial $χQ$ of an associated graph, and we give applications of this new algebraic approach to the combinatorial properties of the chromatic polynomial. In statistical mechanics, this algebra occurs in the low-temperature expansion of the $Q$-state Potts model. We establish a relationship between the chromatic algebra and the $SO(3)$ Birman–Murakami–Wenzl algebra, which is an algebra-level analogue of the correspondence between the $SO(3)$ Kauffman polynomial and the chromatic polynomial.

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Paul Fendley. Vyacheslav Krushkal. "Link invariants, the chromatic polynomial and the Potts model." Adv. Theor. Math. Phys. 14 (2) 507 - 540, April 20.

Information

Published: April 20
First available in Project Euclid: 1 November 2010

zbMATH: 1207.82007
MathSciNet: MR2721654

Rights: Copyright © 2010 International Press of Boston

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Vol.14 • No. 2 • April 20
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