Non effective planar linear systems at the boundary of the Mori cone
Algebraic Geometry
2021-11-05 v1
Abstract
In this paper we prove that certain linear systems (and all their multiples) of plane curves with general base points and zero--self intersection are empty, thus exhibiting further examples of rays at the boundary of the Mori cone of a general blow--up of the plane.
Cite
@article{arxiv.2111.02923,
title = {Non effective planar linear systems at the boundary of the Mori cone},
author = {Ciro Ciliberto and Rick Miranda},
journal= {arXiv preprint arXiv:2111.02923},
year = {2021}
}
Comments
This paper is dedicated to the memory of Alberto Collino