Universal construction of W_{p,q} algebras

J. Avan , L. Frappat , M. Rossi , P. Sorba

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keywords algebrasconstructionabstractalgebradirectellipticformulaformulae

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We present a direct construction of abstract generators for q-deformed W_N algebras. This procedure hinges upon a twisted trace formula for the elliptic algebra A_{q,p}(sl(N)_c) generalizing the previously known formulae for quantum groups.

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Universal construction of W_{p,q} algebras

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