English

On sumsets containing a perfect square

Number Theory 2022-01-12 v1 Combinatorics

Abstract

We show A+BA+B contains a perfect square if A,B{1,,N}A,B \subseteq \{1,\dots,N\} have A,B(38+ϵ)N|A|,|B| \ge (\frac{3}{8}+\epsilon)N. The constant 38\frac{3}{8} is optimal.

Cite

@article{arxiv.2201.04115,
  title  = {On sumsets containing a perfect square},
  author = {Zachary Chase},
  journal= {arXiv preprint arXiv:2201.04115},
  year   = {2022}
}

Comments

19 pages

R2 v1 2026-06-24T08:46:50.096Z