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On the Distribution of L-invariants of modular forms

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Robert Pollack
Boston University/MPIM
Wed, 29/05/2024 - 14:30 - 15:30
MPIM Lecture Hall
Parent event: 
Number theory lunch seminar

The distribution of invariants of modular forms has been studied in many contexts.  The Sato-Tate conjecture makes a precise prediction on the distribution of normalized Hecke-eigenvalues for modular forms.  Here one fixes a form and varies the eigenvalue.  One could also fix the eigenvalue and vary the form and still this invariant has a beautifully predictable distribution.

In this talk, we will discuss p-adic variants of these questions and investigate the distribution of the p-adic size of Hecke-eigenvalues leading to Gouvea's conjecture.  Further, we will study a more mysterious p-adic invariant of a modular form, namely the L-invariant.  We will give an overview of this invariant and ultimately state a conjecture about its p-adic distribution.  This work is joint with John Bergdall.

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