Groups of components and Weil restriction
Number Theory
2016-01-19 v4 Algebraic Geometry
Abstract
We determine the behavior under Weil restriction of the group of connected components of the special fiber of an arbitrary smooth group scheme (whose Weil restriction exists) over an arbitrary (commutative and unital) local ring. Applications to N\'eron models are given.
Keywords
Cite
@article{arxiv.1501.05621,
title = {Groups of components and Weil restriction},
author = {Alessandra Bertapelle and Cristian D. Gonzalez-Aviles},
journal= {arXiv preprint arXiv:1501.05621},
year = {2016}
}
Comments
7 pages. We decided not to publish it for the moment