English

On the quadratic invariant of binary sextics

Differential Geometry 2016-08-03 v2 General Relativity and Quantum Cosmology High Energy Physics - Theory Algebraic Geometry Quantum Physics

Abstract

We provide a geometric characterisation of binary sextics with vanishing quadratic invariant.

Keywords

Cite

@article{arxiv.1504.07998,
  title  = {On the quadratic invariant of binary sextics},
  author = {Maciej Dunajski and Roger Penrose},
  journal= {arXiv preprint arXiv:1504.07998},
  year   = {2016}
}

Comments

Contains a new section on the twistor theory of G_2 structures. Final version. To appear in the Mathematical Proceedings of the Cambridge Philosophical Society

R2 v1 2026-06-22T09:25:19.532Z