学术报告

Presentation of Yangians in Classical Types

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题目: Presentation of Yangians in Classical Types
报告人:景乃桓 教授
时间:2018年12月7日 16:00-17:00 
地点:致远楼108室
摘要: It is well-known that the R-matrix presentation of the Yangian in type A yields generators of its Drinfeld presentation. It has been an open problem since Drinfeld's pioneering work to extend this result to the remaining types. We will provide a solution for the classical types of BCD by constructing an explicit isomorphism between the R-matrix and Drinfeld presentations of the Yangian.
It is based on an embedding theorem which allows us to consider the Yangian of rank n-1 as a subalgebra of the Yangian of rank n of the same type. This is joint work with A. Molev and M. Liu.

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