Speaker
Julio Parra-Martinez
(IHES)
Description
Four-dimensional black holes are know not to deform under weak static perturbations, i.e., they have a vanishing polarizability. This constitutes a sort of classical naturalness problem. I will present a solution to this problem, which shows that this surprising fact remains true for arbitrarily large perturbations. I will end commenting on our ability to test this results in observations and questioning its quantum fate.