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Invariant subalgebras of groups acting on matrix algebras

2022-10-24

举办单位:数学科学学院

负责人姓名:靳平

电话:18636851026

活动主题:Invariant subalgebras of groups acting on matrix algebras

形式:线上学术报告

活动内容摘要:

Given a positive integer n and a field k, we consider an action of a group on the full n by n matrix algebra over k, and the invariant subalgebra of the action. In this talk, we show that this subalgebra has nice homological and structural properties. For example, it is a Gorenstein algebra and has the property of Frobenius extension. Moreover, it is a cellular algebra in the sense of Graham-Lehrer.

The contents of the talk are taken from joint works with Jinbi Zhang.

主讲人基本情况:

惠昌常,首都师范大学教授,博士生导师,**;获教育部科技进步二等奖、德国“年轻杰出学者洪堡奖”;在联邦德国Bielefeld大学获得博士学位,师从国际著名代数表示论专家Claus Michael Ringel教授。 长期从事代数表示论及其相关课题的研究,在Adv. Math., Comm. Math. Phys., Compos. Math., Math. Ann., Proc. Lond. Math. Soc.,J. Reine Angew. Math.等重要国际期刊发表论文;多次主持和参加国家自然科学基金重点项目;兼任国际数学刊物《Journal of Algebra》、《Archiv der Mathematik》等杂志编委。听众范围:数学科学学院师生

举办时间:2022年1027

举办地点:腾讯会议

报告类型:科类

惠昌常.pdf

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