English

The Ubiquity of Sidon Sets That Are Not $I_0$

Classical Analysis and ODEs 2016-02-16 v1 Functional Analysis

Abstract

We prove that every infinite, discrete abelian group admits a pair of I0I_0 sets whose union is not I0I_0. In particular, this implies that every such group contains a Sidon set that is not I0I_{0}.

Keywords

Cite

@article{arxiv.1602.04241,
  title  = {The Ubiquity of Sidon Sets That Are Not $I_0$},
  author = {Kathryn E. Hare and L. Thomas Ramsey},
  journal= {arXiv preprint arXiv:1602.04241},
  year   = {2016}
}