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Academy of Mathematics and Systems Science, CAS
Colloquia & Seminars

Speaker:

Dr. Yongle Jiang,IMPAN Poland

Inviter:  
Title:
Maximal Haagerup subgroups and the corresponding von Neumann subalgebras
Time & Venue:
2019.8.12 15:00-16:00 N902
Abstract:

Let H < G be countable discrete groups. In this talk, we discuss the following question: If H is a maximal subgroup among all subgroups with Haagerup property, is LH still a maximal von Neumann subalgebra among all von Neumann subalgebras with Haagerup property in LG? We present several concrete examples. As a by-product, we answer Ge’s questions on maximal von Neumann subalgebras. This is based on joint work with Adam Skalski.

 

 

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