An example of a Brauer-Manin obstruction to weak approximation at a prime with good reduction
Algebraic Geometry
2023-01-30 v2 Number Theory
Abstract
Following Bright and Newton, we construct an explicit K surface over the rational numbers having good reduction at 2, and for which 2 is the only prime at which weak approximation is obstructed.
Cite
@article{arxiv.2102.08022,
title = {An example of a Brauer-Manin obstruction to weak approximation at a prime with good reduction},
author = {Margherita Pagano},
journal= {arXiv preprint arXiv:2102.08022},
year = {2023}
}
Comments
Published version at https://rdcu.be/c4cja