Formal deformation of curves with group scheme action
Algebraic Geometry
2007-05-23 v2 Number Theory
Abstract
We study equivariant deformations of singular curves with an action of a finite flat group scheme, using a simplified version of Illusie's equivariant cotangent complex. We apply these methods in a special case which is relevant for the study of the stable reduction of three point covers.
Keywords
Cite
@article{arxiv.math/0212145,
title = {Formal deformation of curves with group scheme action},
author = {Stefan Wewers},
journal= {arXiv preprint arXiv:math/0212145},
year = {2007}
}
Comments
44 pages, revised version