Free divisors and rational cuspidal plane curves
Algebraic Geometry
2019-09-17 v4 Commutative Algebra
Abstract
A characterization of freeness for plane curves in terms of the Hilbert function of the associated Milnor algebra is given as well as many new examples of rational cuspidal curves which are free. Some stronger properties are stated as conjectures.
Cite
@article{arxiv.1504.01242,
title = {Free divisors and rational cuspidal plane curves},
author = {Alexandru Dimca and Gabriel Sticlaru},
journal= {arXiv preprint arXiv:1504.01242},
year = {2019}
}
Comments
version 4: a misprint in the conjecture added yesterday is corrected