研讨班报告

表示论研讨班:BGG category O and Z-graded representation theory(III)

发布时间:2021-04-16
 

中科院数学与系统科学研究院

数学研究所

表示论研讨班

 

报告人:  胡 峻 教授(北京理工大学)

题  目:BGG category O and Z-graded representation theory(III)

时  间:2021.04.16(星期五),13:30-14:30

地  点:数学院南楼N802室

摘  要:In this third talk of the series, we shall discuss the Koszul duality functors on the BGG category O and their parabolic analogues of any semisimple Lie algebras. In particular, we give the Z-graded decomposition numbers formulae for any integral blocks of the parabolic category O. Furthermore, we apply the Koszul duality to the study of the translated simple module M(x,y).

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