English

Singular del Pezzo surfaces over finite fields

Algebraic Geometry 2023-11-14 v1 Number Theory

Abstract

If XX is a singular del Pezzo surface of degree dd over a finite field Fq\mathbb{F}_{q} with only rational double point singularities, does there always exist a smooth Fq\mathbb{F}_{q}-point on XX? We show that this is true for d3d\geq 3 and give counterexamples in the case of d=2d=2.

Keywords

Cite

@article{arxiv.2311.07317,
  title  = {Singular del Pezzo surfaces over finite fields},
  author = {H. Uppal},
  journal= {arXiv preprint arXiv:2311.07317},
  year   = {2023}
}
R2 v1 2026-06-28T13:19:20.560Z