题目👮🏿：Graded Decomposition Numbers and Sum Formulae for the Radical Filtrations of Parabolic Verma Modules in Parabolic Category

报告人：胡峻 教授 (北京理工大学)

地点：腾讯会议室

时间🦎👱：2020年12月10日16:00-17:00

腾讯会议号：188271700

摘要🗡：In this talk I shall report a joint work with Xiao Wei on the graded decomposition numbers and inverse graded decomposition numbers for parabolic Verma modules in any integral blocks of a parabolic category of a semisimple Lie algebra. A sum formula for the radical filtrations of parabolic Verma modules is also obtained, which generalizes the classical Jantzen sum formula for the usual Verma modules.

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