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Q-characters of the tensor products

B. Feigin, E. Feigin

math.QAarXiv:math/0201111

Abstract

Let π1,...,πn be an irreducible finite-dimensional sl2-modules. Using the theory of the representations of the current algebras, we introduce a several ways to construct a q-grading on π1...πn. We study the corresponding graded modules and prove, that they are essentially the same.

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