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An imaginary PBW basis for quantum affine algebras of type 1
Published 10 Jul 2013 in math.RT | (1307.2941v2)
Abstract: Let $\hat{\mathfrak g}$ be an affine Lie algebra of type 1. We give a PBW basis for the quantum affine algebra $U_q(\hat{\mathfrak g})$ with respect to the triangular decomposition of $\hat{\mathfrak g}$ associated with the imaginary positive root system.
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