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Notes on two-parameter quantum groups, (I)

A simpler definition for a class of two-parameter quantum groups associated to semisimple Lie algebras is given in terms of Euler form. Their positive parts turn out to be 2-cocycle deformations of each other under some conditions. An operator realization of the positive part is given.

preprint2007arXivOpen access
Naihong HuYufeng Pei
math.RTmath.QA
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Naihong HuYufeng Pei

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