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math.AP2026
Generalized Whiting transform and Flux Estimates for Wave Equations in Subextremal Kerr
Lili He, Sergiu Klainerman
All recent advances \cite{DRS}, \cite{S-Rita1}, \cite{S-Rita2}, \cite{Millet}, \cite{MaS}, \cite{MaS2} on the boundedness and decay for wave equations on subextremal Kerr spacetime…
gr-qc2026
A Physical space derivation of Morawetz-Energy estimates in Kerr spacetimes with large angular momentum
Lili He, Sergiu Klainerman
We revisit the derivation of Morawetz-energy estimates for scalar wave equations in the domain of outer communication of a Kerr spacetime $\KK(a,m)$. Our goal is to develop robust…