Ample Weil divisors
Algebraic Geometry
2015-05-06 v3
Abstract
We define and study positivity (nefness, amplitude, bigness and pseudo-effectiveness) for Weil divisors on normal projective varieties. We prove various characterizations, vanishing and non-vanishing theorems for cohomology, global generation statements, and a result related to log Fano.
Keywords
Cite
@article{arxiv.1310.5961,
title = {Ample Weil divisors},
author = {Alberto Chiecchio and Stefano Urbinati},
journal= {arXiv preprint arXiv:1310.5961},
year = {2015}
}
Comments
Version 3: published version