Expository write-ups and slides from various seminars and conferences.
Talk at the Joint PU/IAS Arithmetic Geometry Seminar. Joint work with Shubhodip Mondal.
Talk at AIM Special Session on Arithmetic Geometry of Shimura varieties at the JMM 2026
Talk at a workshop in Darmstadt on special cycles on Shimura varieties
Talk targeted at undergrads about the history of Fermat's Last Theorem and its resolution by Andrew Wiles
The first proof in the OpenAI dump on Oct 6, 2026 was a proof of a rationality conjecture of Milne. Its organization and exposition were characteristically incomprehensible, but the underlying idea turns out to be quite simple and quite clever, as I discovered after waterboarding Astra 6 into revealing it to me.
Exposition of work of Kato on log $p$-divisible groups. Kato's paper is now available on the arXiv .