G-torsors over a Dedekind scheme
Algebraic Geometry
2014-06-27 v4 Number Theory
Abstract
We prove the equivalence of three "points of view" of the notion of a G-torsor when the base scheme is a Dedekind scheme. As an application, we show that the fibered category of G-torsors on a regular proper curve over a field k is an Artin stack locally of finite presentation over k.
Keywords
Cite
@article{arxiv.1001.4777,
title = {G-torsors over a Dedekind scheme},
author = {Michael Broshi},
journal= {arXiv preprint arXiv:1001.4777},
year = {2014}
}
Comments
10 pages; fixed references