An operator algebras seminar at SIMIS: Limit space theory via nonstandard analysis

Speaker: Jin Qian (East China Normal University)

Host: Liang Guo

Abstract: In this talk, I will introduce a definition of limit spaces by nonstandard analysis, and show its equivalence to the limit spaces defined by Špakula and Willett. The relationship between Fredholmness of band-dominated operators and invertibility of their limit operators will also be discussed. This is joint work with Liang Guo and Qin Wang.

Time: 2:30-3:30pm, Thursday, December 5, 2024

Venue: Room 1210, SIMIS, Block A, No. 657 Songhu Road, Yangpu District, Shanghai


About the speaker: Jin Qian is a PhD student at East China Normal University. His research interest is in nonstandard analysis and coarse geometry.

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