Equivariant unirationality of toric varieties
Algebraic Geometry
2025-06-10 v1
Abstract
We introduce a torsor-theoretic obstruction to equivariant unirationality and show that it is also sufficient for actions of finite groups on toric varieties arising from automorphisms of the torus.
Keywords
Cite
@article{arxiv.2506.07152,
title = {Equivariant unirationality of toric varieties},
author = {Andrew Kresch and Yuri Tschinkel},
journal= {arXiv preprint arXiv:2506.07152},
year = {2025}
}
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22 pages