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A variant of the Bombieri–Vinogradov theorem in short intervals and some questions of Serre

Published online by Cambridge University Press:  22 February 2016

JESSE THORNER*
Affiliation:
Department of Mathematics and Computer Science, Emory University, Atlanta, Georgia, U.S.A. e-mail: [email protected]

Abstract

We generalise the classical Bombieri–Vinogradov theorem for short intervals to a non-abelian setting. This leads to variants of the prime number theorem for short intervals where the primes lie in arithmetic progressions that are “twisted” by a splitting condition in a Galois extension of number fields. Using this result in conjunction with the recent work of Maynard, we prove that rational primes with a given splitting condition in a Galois extension L/$\mathbb{Q}$ exhibit bounded gaps in short intervals. We explore several arithmetic applications related to questions of Serre regarding the non-vanishing Fourier coefficients of cuspidal modular forms. One such application is that for a given modular L-function L(s, f), the fundamental discriminants d for which the d-quadratic twist of L(s, f) has a non-vanishing central critical value exhibit bounded gaps in short intervals.

Type
Research Article
Copyright
Copyright © Cambridge Philosophical Society 2016 

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