Notes on 2-parameter quantum groupsⅠ |
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作者单位: | HU NaiHong PEI YuFeng Department of Mathematics,East China Normal University,Shanghai 200062,China |
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摘 要: | A simpler definition for a class of 2-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.
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