A question on effective strictly nef divisors (with an appendix by Andreas H\"oring)
Algebraic Geometry
2024-04-12 v3
Abstract
We introduce and motivate the following question: Is every effective strictly nef Cartier divisor on a projective variety big? In the appendix, Andreas H\"oring produces a counterexample, thus providing a negative answer.
Keywords
Cite
@article{arxiv.2306.06985,
title = {A question on effective strictly nef divisors (with an appendix by Andreas H\"oring)},
author = {Claudio Fontanari},
journal= {arXiv preprint arXiv:2306.06985},
year = {2024}
}
Comments
Final version, to appear in Rend. Sem. Mat. Univ. Politec. Torino