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Seminar on Arithmetic Geometry

January 24 at 15:3017:00 CET

Maximilian Hauck (MPIM Bonn): Stacks in the p-adic Hodge theory of formal schemes

I will briefly review the stacky approach to p-adic cohomology theories due to Bhatt–Lurie and Drinfeld using a new view on the filtered prismatisation recently found by Gardner–Madapusi. Then I will show how to use these tools to obtain a new proof of the Beilinson fibre square of Antieau–Mathew–Morrow–Nikolaus and a generalisation of a comparison theorem between rational arithmetic étale cohomology and crystalline cohomology of Colmez–Niziol.

Zoom (635 7328 0984, Kenncode: kleinste sechsstellige Primzahl

Organizers

Sabrina Pauli
Timo Richarz
Torsten Wedhorn

Venue

Darmstadt, Room 401 and Zoom
Schlossgartenstraße 7
Darmstadt, 64289 Germany
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