Remarks on basepoint-freeness thresholds of polarized abelian surfaces
Algebraic Geometry
2026-05-20 v1
Abstract
We determine the basepoint-freeness threshold of a very general polarized abelian surface over the field of complex numbers. We also give the first example of a polarized abelian surface whose basepoint-freeness threshold is irrational.
Cite
@article{arxiv.2605.19353,
title = {Remarks on basepoint-freeness thresholds of polarized abelian surfaces},
author = {Atsushi Ito},
journal= {arXiv preprint arXiv:2605.19353},
year = {2026}
}
Comments
11 pages