English

Character sums over elements of extensions of finite fields with restricted coordinates

Number Theory 2023-10-24 v2

Abstract

We obtain nontrivial bounds for character sums with multiplicative and additive characters over finite fields over elements with restricted coordinate expansion. In particular, we obtain a nontrivial estimate for such a sum over a finite field analogue of the Cantor set.

Keywords

Cite

@article{arxiv.2309.02948,
  title  = {Character sums over elements of extensions of finite fields with restricted coordinates},
  author = {Siddharth Iyer and Igor Shparlinski},
  journal= {arXiv preprint arXiv:2309.02948},
  year   = {2023}
}