A note on the instability of the Kerr Cauchy horizon under linearised gravitational perturbations
General Relativity and Quantum Cosmology
2026-04-09 v1 Analysis of PDEs
Abstract
This note slightly strengthens the result of arXiv:2201.12295 on the linear instability of the Kerr Cauchy horizon. This strengthened result is used in the proof arXiv:2604.04877 of the non-linear instability of the Kerr Cauchy horizon.
Cite
@article{arxiv.2604.06283,
title = {A note on the instability of the Kerr Cauchy horizon under linearised gravitational perturbations},
author = {Jan Sbierski},
journal= {arXiv preprint arXiv:2604.06283},
year = {2026}
}