English

Singularities and vanishing cycles in number theory over function fields

Number Theory 2020-06-01 v2 Algebraic Geometry Algebraic Topology

Abstract

This article is an overview of the vanishing cycles method in number theory over function fields. We first explain how this works in detail in a toy example, and then give three examples which are relevant to current research. The focus will be a general explanation of which sorts of problems this method can be applied to.

Keywords

Cite

@article{arxiv.2005.09693,
  title  = {Singularities and vanishing cycles in number theory over function fields},
  author = {Will Sawin},
  journal= {arXiv preprint arXiv:2005.09693},
  year   = {2020}
}

Comments

34 pages, to appear in PIMS Workshop on Arithmetic Topology conference proceedings

R2 v1 2026-06-23T15:40:16.306Z