Ill-distributed sets over global fields and exceptional sets in Diophantine Geometry
Abstract
Let be a number field. Using techniques of discrete analysis, we prove that for definable sets in of dimension at most a conjecture of Wilkie about the density of rational points is equivalent to the fact that is badly distributed at the level of residue classes for many primes of . This provides a new strategy to prove this conjecture of Wilkie. In order to prove this result, we are lead to study an inverse problem as in the works \cite{Walsh2, Walsh}, but in the context of number fields, or more generally global fields. Specifically, we prove that if is a global field, then every subset consisting of rational points of projective height bounded by , occupying few residue classes modulo for many primes of , must essentially lie in the solution set of a polynomial equation of degree , for some constant .
Keywords
Cite
@article{arxiv.1901.00562,
title = {Ill-distributed sets over global fields and exceptional sets in Diophantine Geometry},
author = {Marcelo Paredes},
journal= {arXiv preprint arXiv:1901.00562},
year = {2023}
}
Comments
Final version. To appear in Acta Arithmetica. 25 pages