The Hessian Discriminant
- Resource Type
- Working Paper
- Authors
- Dinu, Rodica; Seynnaeve, Tim
- Source
- Subject
- Mathematics - Algebraic Geometry
- Language
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.