Extensions of toric line bundles
Algebraic Geometry
2023-01-18 v2
Abstract
For any two nef line bundles F and G on a toric variety X represented by lattice polyhedra P respectively Q, we present the universal equivariant extension of G by F under use of the connected components of the set theoretic difference of Q and P.
Cite
@article{arxiv.2012.04590,
title = {Extensions of toric line bundles},
author = {Klaus Altmann and Amelie Flatt and Lutz Hille},
journal= {arXiv preprint arXiv:2012.04590},
year = {2023}
}
Comments
28 pages, to appear in Mathematische Zeitschrift