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p-adic geometry, beyond perfectoid spaces

Friday, September 26, 2025 | 1:00 PM - 2:00 PM CT
Annenberg Hall, G31, 2120 Campus Drive, Evanston, IL 60208 map it

p-adic analytic spaces have, from the perspective of étale cohomology, a more complicated local structure than complex analytic spaces. Things improve after one extracts a lot of pth power roots. This led to the theory of perfectoid spaces and diamonds, a very powerful language to analyze « topological » properties of rigid analytic spaces. However, recent developements in (non-abelian) p-adic Hodge theory and in the geometrization of the Langlands program, which I will briefly review, call for a formalism also able to retain some « differential » information about these spaces. I will explain a possible framework for doing this and highlight some applications. Based on joint work with Anschütz, Bosco, Rodriguez Camargo and Scholze.

Audience

  • Faculty/Staff
  • Student
  • Post Docs/Docs
  • Graduate Students

Contact

Bao Le Hung   (847) 491-5563

lhvietbao@math.northwestern.edu

Interest

  • Academic (general)

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