The total coordinate ring of a wonderful variety
Algebraic Geometry
2007-05-23 v3 Representation Theory
Abstract
We study the cone of effective divisors and the total coordinate ring of wonderful varieties, with applications to their automorphism group. We show that the total coordinate ring of any spherical variety is obtained from that of the associated wonderful variety by a base change of invariant subrings.
Keywords
Cite
@article{arxiv.math/0603157,
title = {The total coordinate ring of a wonderful variety},
author = {Michel Brion},
journal= {arXiv preprint arXiv:math/0603157},
year = {2007}
}
Comments
Final version, to appear in Journal of Algebra