Birational rigidity of a three-dimensional double cone
Algebraic Geometry
2015-06-26 v1
Abstract
It is proved that a three-dimensional double cone is a birationally rigid variety. We also compute the group of birational automorphisms of such a variety. This work is based on the method of "untwisting" maximal singularities of linear system.
Keywords
Cite
@article{arxiv.math/9808132,
title = {Birational rigidity of a three-dimensional double cone},
author = {Mikhail Grinenko},
journal= {arXiv preprint arXiv:math/9808132},
year = {2015}
}
Comments
20 pages; AmsLaTex