English

Theorems of Bertini and Chevalley

Algebraic Geometry 2026-05-06 v1

Abstract

We give a short proof of Chevalley's theorem that every algebraic group is an extension of an Abelian variety by a linear algebraic group. Along the way we treat Bertini's irreducibility theorem.

Keywords

Cite

@article{arxiv.2605.03115,
  title  = {Theorems of Bertini and Chevalley},
  author = {János Kollár},
  journal= {arXiv preprint arXiv:2605.03115},
  year   = {2026}
}