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1 CPT - Centre de Physique Théorique - UMR 6207 2 Departamento de Física 3 CPT - Centre de Physique Théorique - UMR 7332 4 CBPF - Centro Brasileiro de Pesquisas Físicas 5 LPTP - Laboratoire de Physique Théorique et des Particules

Abstract : We start with a given modular invariant M of a two dimensional sun k conformal field theory CFT and present a general method for solving the Ocneanu modular splitting equation and then determine, in a step-by-step explicit construction, 1 the generalized partition functions corresponding to the introduction of boundary conditions and defect lines; 2 the quantum symmetries of the higher ADE graph G associated to the initial modular invariant M. Notice that one does not suppose here that the graph G is already known, since it appears as a by-product of the calculations. We analyze several su3 k exceptional cases at levels 5 and 9.

Keywords : conformal field theory modular invariance higher ADE systems fusion algebra Hopf algebra quantum groupoids





Autor: E. Isasi - Gil Schieber -

Fuente: https://hal.archives-ouvertes.fr/



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