Divisorial contractions to codimension three orbits
Algebraic Geometry
2024-10-02 v3
Abstract
Let be a connected algebraic group. We study -equivariant extremal contractions whose centre is a codimension three -simply connected orbit. In the spirit of an important result by Kawakita in 2001, we prove that those contractions are weighted blow-ups.
Keywords
Cite
@article{arxiv.2002.11016,
title = {Divisorial contractions to codimension three orbits},
author = {Samuel Boissière and Enrica Floris},
journal= {arXiv preprint arXiv:2002.11016},
year = {2024}
}
Comments
22 pages, 2 figures