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A Drinfeld type presentation of affine $\imath$quantum groups I: split ADE type
Published 9 Sep 2020 in math.RT and math.QA | (2009.04542v2)
Abstract: We establish a Drinfeld type new presentation for the $\imath$quantum groups arising from quantum symmetric pairs of split affine ADE type, which includes the $q$-Onsager algebra as the rank 1 case. This presentation takes a form which can be viewed as a deformation of half an affine quantum group in the Drinfeld presentation.
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