Flag varieties as equivariant compactifications of G_a^n
Algebraic Geometry
2011-03-21 v2
Abstract
Let G be a semisimple affine algebraic group and P a parabolic subgroup of G. We classify all flag varieties G/P which admit an action of the commutative unipotent group G_a^n with an open orbit.
Keywords
Cite
@article{arxiv.1003.2358,
title = {Flag varieties as equivariant compactifications of G_a^n},
author = {Ivan V. Arzhantsev},
journal= {arXiv preprint arXiv:1003.2358},
year = {2011}
}
Comments
4 pages, small corrections