Hard Lefschetz theorems for free line bundles
Algebraic Geometry
2023-05-31 v1
Abstract
We introduce a partial positivity notion for algebraic maps via the defect of semismallness. This positivity notion is modeled on -positivity in the analytic setting and -ampleness in the geometric setting. Using this positivity condition for algebraic maps, we establish K\"ahler packages, that is, Hard Lefschetz theorems and Hodge-Riemann bilinear relations, for the complete intersections of Chern classes of free line bundles.
Cite
@article{arxiv.2305.19085,
title = {Hard Lefschetz theorems for free line bundles},
author = {Jiajun Hu and Shijie Shang and Jian Xiao},
journal= {arXiv preprint arXiv:2305.19085},
year = {2023}
}
Comments
14 pages; comments welcome!