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AKS scheme for face and Calogero-Moser-Sutherland type models

Branislav Jurco, Peter Schupp

solv-intarXiv:solv-int/9710006

Abstract

We give the construction of quantum Lax equations for IRF models and difference versions of Calogero-Moser-Sutherland models introduced by Ruijsenaars. We solve the equations using factorization properties of the underlying face Hopf algebras/elliptic quantum groups. This construction is in the spirit of the Adler-Kostant-Symes method and generalizes our previous work to the case of face Hopf algebras/elliptic quantum groups with dynamical R-matrices.

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