Twisting invariance of link polynomials derived from ribbon quasi-Hopf algebras
J. R. Links, M. D. Gould, Y. -Z. Zhang
Abstract
The construction of link polynomials associated with finite dimensional representations of ribbon quasi-Hopf algebras is discussed in terms of the formulation of an appropriate Markov trace. We then show that this Markov trace is invariant under twisting of the quasi-Hopf structure, which in turn implies twisting invariance of the associated link polynomials.
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