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关于12月7号(本周六)学术报告通知;报告题目《Sylvester rank functions on crossed products》
2019/12/02 16:19:37     ( 点击:)

报告题目:Sylvester rank functions on crossed products

 

报告人:蒋报捷(Baojie Jiang)博士

 

报告时间:2019年12月7日  9:00-10:00

 

报告地点:数学院厅B304

 

告摘要:见附件。

 

报告人简介:蒋报捷博士,2014年毕业于南开大学省身数学研究所,理学士学位;2018年毕业于复旦大学数学院,理学博士;现为大学数学与统计公司博士后。研究方向算子代数、粗几何、Roe代数等方向。

              Baojie Jiang, College of Mathematics and Statistics, Chongqing University e-Mail: jiangbaojie@gmail.com


Abstract

                                                                                                     

       Let A be a unital C∗-algebra and let τ be any tracial state on A. Set rkτ(B) = limk→∞τ(|B|1/k) for every B ∈ Matn,m(A). Then rkτ is a Sylvester rank function defined on rectangular matrices over A. Let G be a discrete amenable group which admits a trace preserving action α on (A,τ). Denote by Cc(G,A), the group ring of G with coefficients in A. In this talk, we’ll give two natural Sylvester rank functions on Cc(G,A) and prove that they are equal. This is a joint.


欢迎数学院师生积极参与!

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