Local spectral equidistribution for Siegel modular forms and applications

Emmanuel Kowalski, Abhishek Saha, Jacob Tsimerman

Research output: Contribution to journalArticle (Academic Journal)peer-review

16 Citations (Scopus)

Abstract

We study the distribution, in the space of Satake parameters, of local components of Siegel cusp forms of genus 2 and growing weight, subject to a specific weighting which allows us to apply results concerning Bessel models and a variant of Petersson's formula. We obtain for this family a quantitative local equidistribution result, and derive a number of consequences. In particular, we show that the computation of the density of low-lying zeros of the spinor L-functions (for restricted test functions) gives global evidence for a well-known conjecture of B\"ocherer concerning the arithmetic nature of Fourier coefficients of Siegel cusp forms.
Original languageEnglish
Pages (from-to)335-384
JournalCompositio Mathematica
Volume148
Issue number02
DOIs
Publication statusPublished - Mar 2012

Bibliographical note

45 pages; typos corrected and two references added; version to appear in Compositio Math

Keywords

  • math.NT
  • 11F46, 11F30, 11F66, 11F67, 11F70

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