The Hessian Discriminant
Algebraic Geometry
2019-09-17 v1
Abstract
We express the Hessian discriminant of a cubic surface in terms of fundamental invariants. This answers Question 15 from the \emph{27 questions on the cubic surface}. We also explain how to compute the fundamental invariants for smooth cubics of rank 6.
Cite
@article{arxiv.1909.06681,
title = {The Hessian Discriminant},
author = {Rodica Dinu and Tim Seynnaeve},
journal= {arXiv preprint arXiv:1909.06681},
year = {2019}
}