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Fusion potentials I

P. Di Francesco, J. -B. Zuber

hep-tharXiv:hep-th/9211138

Abstract

We reconsider the conjecture by Gepner that the fusion ring of a rational conformal field theory is isomorphic to a ring of polynomials in n variables quotiented by an ideal of constraints that derive from a potential. We show that in a variety of cases, this is indeed true with one-variable polynomials.

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