The Virasoro and Kac-Moody symmetries for the principal chiral model

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, , Citation Y Cheng 1988 J. Phys. A: Math. Gen. 21 L715 DOI 10.1088/0305-4470/21/14/001

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1 Dept. of Math., China Univ. of Sci. & Technol., Hefei, China

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0305-4470/21/14/L715

Abstract

For the principal chiral model, two hierarchies of symmetries and the related Virasoro and Kac-Moody algebras are derived by using a recursion operator.

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