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11-19【Marc Rosso】管楼1418 吴文俊数学重点实验室代数学系列报告之159

澳门新葡新京:卢珊珊发布时间:2019-11-18浏览次数:271

报告题目:On Feigin homomorphisms for quantum shuffle algebras

报告人:Marc Rosso巴黎七大

 

时间:2019年11月19(星期)16:00-17:00

地点:东区管理科研楼1418教室

 

摘要: Feigin homomorphisms map the upper triangular part of quantum groups to some quantum (or twisted) polynomial algebras. They are important in the study of their skew fields of quotients. I realized these upper triangular parts of quantum groups as sub Hopf algebras of quantum shuffle algebras. The construction of Feigin homomorphisms has been extended to these quantum shuffle algebras by D. Rupel, with a computational proof. I shall explain a streamlined conceptual approach stressing the universal property of the quantum shuffle algebra, and putting quantum polynomial algebras naturally in this framework. All necessary backgroung will be recalled.

 

 

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