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hep-th2000★ 3 cited
Fusion in coset CFT from admissible singular-vector decoupling
P. Mathieu, J. Rasmussen, M. A. Walton
Fusion rules for Wess-Zumino-Witten (WZW) models at fractional level can be defined in two ways, with distinct results. The Verlinde formula yields fusion coefficients that can be…
hep-th2000★ 1 cited
Schubert Calculus and Threshold Polynomials of Affine Fusion
S. E. Irvine, M. A. Walton
We show how the threshold level of affine fusion, the fusion of Wess-Zumino-Witten (WZW) conformal field theories, fits into the Schubert calculus introduced by Gepner. The Pieri r…