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Fixed point resolution in conformal field theory

J. Fuchs, A. N. Schellekens, C. Schweigert

hep-tharXiv:hep-th/9612093

Abstract

We summarize recent progress in the understanding of fixed point resolution for conformal field theories. Fixed points in both coset conformal field theories and non-diagonal modular invariants which describe simple current extensions of chiral algebras are investigated. A crucial role is played by the mathematical structures of twining characters and orbit Lie algebras.

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