Coproduct of modified Drinfeld-Cartan series for Yangians and quantum affine algebras in type A
Abstract
We give explicit formulas for the coproducts of modified Drinfeld-Cartan generating series for the Yangian in type A and for the quantum affine algebras in the particular type A2. As an auxiliary result of the latter, we give an explicit presentation of positive prefundamental representations of the quantum affine algebra in the particular type A2
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