Publication

Hybrid Bounds For Automorphic Forms On Ellipsoids Over Number Fields

Philippe Michel
2013
Journal Articles

Abstract

We prove upper bounds for Hecke-Laplace eigenfunctions on certain Riemannian manifolds X of arithmetic type, uniformly in the eigenvalue and the volume of the manifold. The manifolds under consideration are d-fold products of 2-spheres or 3-spheres, realized as adelic quotients of quaternion algebras over totally real number fields. In the volume aspect we prove a ('Weyl-type') saving of vol (X)(-1/6+epsilon).

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Hybrid Bounds For Automorphic Forms On Ellipsoids Over Number Fields

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