报告主题：Equivalences between Yangian presentations (I)
报告人：Alexander Molev 教授 （悉尼大学）
报告时间：2017年 12月18日（周一）10:00
报告地点：校本部G507
邀请人：张红莲
主办部门：太阳集团tyc539数学系
报告摘要：It has been an open problem since the pioneering work of Drinfeld to construct an explicit isomorphism between the R-matrix presentation and the "new realization" of the Yangian in types B, C and D. We give a solution which is based on the Gauss decomposition of the generator matrix in the R-matrix presentation. The proof relies on an embedding theorem which allows one 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 Naihuan Jing and Ming Liu
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