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Tensor products of Kirillov-Reshetikhin modules and fusion products (1604.02577v2)
Published 9 Apr 2016 in math.QA and math.RT
Abstract: We study the classical limit of a tensor product of Kirillov-Reshetikhin modules over a quantum loop algebra, and show that it is realized from the classical limits of the tensor factors using the notion of fusion products. In the process of the proof, we also give defining relations of the fusion product of the (graded) classical limits of Kirillov-Reshetikhin modules.
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