Joint IAS/PU Arithmetic Geometry
Frobenius Lifting and a Geometric Theory of Companion Forms
We describe the obstruction to lift Frobenius on certain Shimura varieties and apply this to the theory of companion forms for classical modular forms (Gross, Coleman-Voloch, Faltings-Jordan) and also in higher dimension.
Date & Time
December 08, 2025 | 3:30pm – 4:30pm
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12/08/2025 15:30
12/08/2025 16:30
Joint IAS/PU Arithmetic Geometry
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Topic: Frobenius Lifting and a Geometric Theory of Companion Forms
Speakers: Vincent Pilloni, Université Paris-Saclay
More: https://www.ias.edu/math/events/joint-iaspu-arithmetic-geometry-33
We describe the obstruction to lift Frobenius on certain Shimura
varieties and apply this to the theory of companion forms for
classical modular forms (Gross, Coleman-Voloch, Faltings-Jordan) and
also in higher dimension.
Simonyi 101 and Remote Access
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Location
Simonyi 101 and Remote AccessSpeakers
Vincent Pilloni, Université Paris-Saclay
Event Series
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Notes
Zoom Meeting ID: 842 7792 2534
Password hint: The Grothendieck prime in binary