English

Exponential sums with multiplicative coefficients and applications

Number Theory 2021-04-01 v1

Abstract

We show that if an exponential sum with multiplicative coefficients is large then the associated multiplicative function is "pretentious". This leads to applications in the circle method, and a natural interpretation of the local-global principle.

Keywords

Cite

@article{arxiv.2103.16648,
  title  = {Exponential sums with multiplicative coefficients and applications},
  author = {Régis de la Bretèche and Andrew Granville},
  journal= {arXiv preprint arXiv:2103.16648},
  year   = {2021}
}
R2 v1 2026-06-24T00:42:36.085Z