报告主题：群代数的表示维数Representation dimensions of group algebras
报告人：惠昌常 教授 （首都师范大学）
报告时间：2020年10月21日（周三）9:00-12:00
参会方式：腾讯会议
会议ID：884 700 494
邀请人：孟沆洋
主办部门：理学院数学系
报告摘要：Given a field k, a group G and a subgroup H of G, we consider relations on representation dimensions of the group algebras kG and kH. This is done by applications of Frobenius extensions. In particular, we show that, for any subgroup H of a finite nilpotent group G, if [G:H] is invertible in the field, then the representation dimensions of kG and kH are the same.
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