Affinity criterion for the quotient of an algebraic group by a one-dimensional subgroup
Algebraic Geometry
2007-10-02 v1
Abstract
In this work we show that the homogeneous space of an affine algebraic group by a one-dimensional unipotent subgroup is affine if and only if the subgroup is not contained in any reductive subgroup of .
Keywords
Cite
@article{arxiv.0710.0160,
title = {Affinity criterion for the quotient of an algebraic group by a one-dimensional subgroup},
author = {Alexey V. Petukhov},
journal= {arXiv preprint arXiv:0710.0160},
year = {2007}
}