53:06
published on April 1, 2026
Remarks on the stability of Kerr for axisymetryc perturbations
By Sergiu Klainerman
Quasilinear waves and trapping: Kerr‐de Sitter space
By Andras Vasy
Appears in collection : Summer School 2014 - Asymptotic Analysis in General Relativity
In this talk I will describe recent work with Peter Hintz on globally solving quasilinear wave equations in the presence of trapped rays, on Kerr‐de Sitter space, and obtaining the asymptotic behavior of solutions. For the associated linear problem without trapping, one would consider a global, nonelliptic, Fredholm framework; in the presence of trapping the same framework is available for spaces of growing functions only. In order to solve the quasilinear problem we thus combine these frameworks with the normally hyperbolic trapping results of Dyatlov and a Nash‐Moser iteration scheme.
