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【清华大学】Thompson’s semigroup and Hochschild cohomology

2021年06月21日 09:05  

报告题目:Thompsons semigroup and Hochschild cohomology        

报告人:黄林哲 (清华大学数学科学中心)

报告时间:2021624日(星期四)上午1000-1100

报告地点:腾讯视频会议(线上)

会议 ID:143 595 235 会议密码:

校内联系人:江永乐   联系电话:84708351-8033

 

报告摘要:The amenable problem of Thompsons group F has a long history over fifty years. In this talk, I will introduce our work on this problem using the theory of Hochschild cohomology. We prove that all derivations on the Banach algebra associated with Thompsons semigroup are continuous. We also characterize the first Hochschild cohomology group. These conclusions provide positive indications for the amenability of Thompson’s group.

 

参考论文:Linzhe, Huang, The first cohomology of the Banach algebra associated with Thompson's semigroup, 2021.

 

报告人简介:黄林哲,2020年获得中国科学院大学博士学位,现为清华大学数学科学中心博后。

  

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