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Universal Character and Large N Factorization in Topological Gauge/String Theory

Hiroaki Kanno

hep-tharXiv:hep-th/0602179

Abstract

We establish a formula of the large N factorization of the modular S-matrix for the coupled representations in U(N) Chern-Simons theory. The formula was proposed by Aganagic, Neitzke and Vafa, based on computations involving the conifold transition. We present a more rigorous proof that relies on the universal character for rational representations and an expression of the modular S-matrix in terms of the specialization of characters.

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