The Neron-Severi group of a proper seminormal complex variety
Algebraic Geometry
2009-09-07 v2
Abstract
We prove a Lefschetz (1,1)-Theorem for proper seminormal varieties over the complex numbers. The proof is a non-trivial geometric argument applied to the isogeny class of the Lefschetz 1-motive associated to the mixed Hodge structure on H^2.
Keywords
Cite
@article{arxiv.math/0511558,
title = {The Neron-Severi group of a proper seminormal complex variety},
author = {L. Barbieri-Viale and A. Rosenschon and V. Srinivas},
journal= {arXiv preprint arXiv:math/0511558},
year = {2009}
}
Comments
16 pages; Mathematische Zeitschrift (2008)