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.
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