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Chebyshev Polynomials And The Frohman-Gelca Formula, Heather M. Russell, Hoel Queffelec
Chebyshev Polynomials And The Frohman-Gelca Formula, Heather M. Russell, Hoel Queffelec
Department of Math & Statistics Faculty Publications
Using Chebyshev polynomials, C. Frohman and R. Gelca introduced a basis of the Kauffman bracket skein module of the torus. This basis is especially useful because the Jones–Kauffman product can be described via a very simple Product-to-Sum formula. Presented in this work is a diagrammatic proof of this formula, which emphasizes and demystifies the role played by Chebyshev polynomials.