A motivic circle method
Algebraic Geometry
2025-05-05 v2 Number Theory
Abstract
The circle method has been successfully used over the last century to study rational points on hypersurfaces. More recently, a version of the method over function fields, combined with spreading out techniques, has led to a range of results about moduli spaces of rational curves on hypersurfaces. In this paper a version of the circle method is implemented in the setting of the Grothendieck ring of varieties. This allows us to approximate the classes of these moduli spaces directly, without relying on point counting, and leads to a deeper understanding of their geometry.
Cite
@article{arxiv.2304.09645,
title = {A motivic circle method},
author = {Margaret Bilu and Tim Browning},
journal= {arXiv preprint arXiv:2304.09645},
year = {2025}
}
Comments
55 pages; accepted version