SDU Operator Algebras Seminar

Title: Invariant random subgroups of C*-simple groups

Abstract: Let G be a countable discrete C*-simple group. Let $\mu$ be a G-invariant probability measure on Sub(G), i.e., an IRS. We show that $\mu$-a.e. subgroup H is a C*-simple group.  This is a very recent joint work with Mehrdad Kalantar. 

Title: Large language models: How come, what for, and how to keep their reasoning legible

Abstract: AI use is already the new normal. And it seems unlikely that we would slow down or take a step back. In this talk, I will first give a brief introduction to LLMs, why they can tackle increasingly challenging problems, and what could go wrong. Then, I will talk about some of my research items on how to keep LLMs' reasoning processes legible, and how the question of faithfulness relates to recent events revolving around claimed proofs of open problems.

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