English

Difference sets and positive exponential sums I. General properties

Combinatorics 2012-07-17 v2 Number Theory

Abstract

We describe general connections between intersective properties of sets in Abelian groups and positive exponential sums. In particular, given a set AA the maximal size of a set whose difference set avoids AA will be related to positive exponential sums using frequencies from AA.

Keywords

Cite

@article{arxiv.1207.1781,
  title  = {Difference sets and positive exponential sums I. General properties},
  author = {Mate Matolcsi and Imre Z. Ruzsa},
  journal= {arXiv preprint arXiv:1207.1781},
  year   = {2012}
}

Comments

21 pages, a few remarks added, and one theorem slightly extended

R2 v1 2026-06-21T21:32:11.099Z