53:06
published on April 1, 2026
Remarks on the stability of Kerr for axisymetryc perturbations
By Sergiu Klainerman
Decay for fields outside black holes
By Pieter Blue
I will discuss energy and Morawetz (or integrated local decay) estimates for fields outside black holes. These results build on results for the wave equation and use the Killing tensor, an unusual geometric object that exists in the Kerr spacetime.
