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Seminar

Prismatic Cohomology: p-adic Tate twists and the odd vanishing conjecture for K-theory May 14, 2019 (11:00 AM PDT - 12:00 PM PDT)
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Location: MSRI: Simons Auditorium
Speaker(s) Bhargav Bhatt (University of Michigan)
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I'll begin by introducing the notion of Tate twists in mixed characteristic (in terms of prismatic cohomology), and recall its relation to algebraic K-theory. I'll then explain why the calculation of prismatic cohomology as a q-deformation of the de Rham complex can be used to show that these Tate twists are, locally on the quasisyntomic site, concentrated in degree 0. (Joint work with Peter Scholze.)

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