On determining G-invariant von Neumann subalgebras in L(G)

分析学研讨班

题目：On determining G-invariant von Neumann subalgebras in L(G)

报告人：江永乐(大连理工大学)

时间：9月30日（星期六），14:30-16:00

地点：明德楼B201-1

Zoom会议，会议号：945 2536 6360，密码：461559

摘要：Let G be a countable discrete group. In this talk, we are interested in the problem of completely determining G-invariant von Neumann subalgebras in L(G). If every G-invariant von Neumann subalgebra M in L(G) is of the form M=L(H) for some normal subgroup H of G, then we call this group G has the invariant von Neumann subalgebras rigidity (ISR) property. We discuss the problem of determining which group G has this ISR property and other related recent work on it. Part of this talk is based on joint work with Dr. Tattwamasi Amrutam. 

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