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Quantum Supergroups I. Foundations

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arxiv 1301.1665 v2 pith:ACM6DYZD submitted 2013-01-08 math.QA math.RT

Quantum Supergroups I. Foundations

classification math.QA math.RT
keywords quantumcoveringgroupsintegrablemodulesparameterbar-involutionbilinear
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In this part one of a series of papers, we introduce a new version of quantum covering and super groups with no isotropic odd simple root, which is suitable for the studies of integrable modules, integral forms and bar-involution. A quantum covering group involves a quantum parameter q and a sign parameter pi squaring to 1, and it specializes to a quantum supergroup when pi=-1. Following Lusztig, we formulate and establish various structural results of the quantum covering groups, including bilinear form, quasi-R-matrix, Casimir, character formulas for integrable modules, and higher Serre relations.

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