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R-matrix realization of two-parameter quantum affine algebra $U_{r,s}(\widehat{gl}_n)$ (1604.06309v1)
Published 21 Apr 2016 in math.QA, math-ph, and math.MP
Abstract: We introduce the two-parameter quantum affine algebra $U_{r,s}(\widehat{gl}_n)$ via the RTT realization. The Drinfeld realization is given and the type A quantum affine algebra is proved to be a special subalgebra of our extended algebra.