English

An optimal bound on the number of determinants generated by a subset in $\mathbb{F}_q^d$

Number Theory 2020-12-25 v3 Combinatorics

Abstract

In this short note, we prove that for EFqd\mathcal{E} \subset \mathbb{F}_q^d with Eqd1+O(q2)|\mathcal{E}| \geq q^{d-1} + O(q^2) then the set of determinants generated by E\mathcal{E} is Fq.\mathbb{F}_q. This result is nearly optimal and generalizes the previous results of Vinh (2013) and Iosevich, Rudnev and Zhai (2015).

Keywords

Cite

@article{arxiv.2012.06140,
  title  = {An optimal bound on the number of determinants generated by a subset in $\mathbb{F}_q^d$},
  author = {Nguyen Van The},
  journal= {arXiv preprint arXiv:2012.06140},
  year   = {2020}
}

Comments

This short note is rewritten by a thread on Mathoverflow of Will Sawin with a slight improvement and the history of problems