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math.AP2026
Semiclassical estimates near threshold energies and resonance counting on Schwarzschild black holes
Thomas Stucker
We prove a Weyl law for the number of quasinormal modes (QNM) of a Schwarzschild black hole contained in a sector below the real axis. This requires introducing a new pseudodiffere…
math.AP2024
Quasinormal modes for the Kerr black hole
Thomas Stucker
We provide a rigorous definition of quasinormal modes for the Kerr black hole. They are obtained as the discrete set of poles of the meromorphically continued cutoff resolvent. The…