澳门金沙网址

科学研究
报告题目:

The first Hochschild cohomology and wildness of finite group schemes

报告人:

常浩 副教授 (华中师范大学)

报告时间:

报告地点:

理学院东北楼四楼报告厅(404)

报告摘要:

Let $B_0(G)$ be the principal block algebra of the group algebra $kG$ of an infinitesimal group scheme $G$. We calculate the restricted Lie algebra structure of the first Hochschild cohomology of $L:=H^1(B_0(G),B_0(G))$. As a consequence, we obtain a criterion for wildness of $kG$.