Effective nonvanishing, effective global generation
alg-geom
2008-02-03 v2 Algebraic Geometry
Abstract
We prove a multiple-points higher-jets nonvanishing theorem by the use of local Seshadri constants. Applications are given to effectivity problems such as constructing rational and birational maps into Grassmannians, and the global generation of vector bundles.
Cite
@article{arxiv.alg-geom/9708004,
title = {Effective nonvanishing, effective global generation},
author = {Mark Andrea A. de Cataldo},
journal= {arXiv preprint arXiv:alg-geom/9708004},
year = {2008}
}
Comments
LaTex (article) 13 pages; revised: one section added; to appear in Ann. Inst. Fourier