Energy-Morawetz estimates for the wave equation in perturbations of Kerr
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866912980927512576 |
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| author | Ma, Siyuan Szeftel, Jérémie |
| author_facet | Ma, Siyuan Szeftel, Jérémie |
| contents | In this paper, we prove energy and Morawetz estimates for solutions to the scalar wave equation in spacetimes with metrics that are perturbations, compatible with nonlinear applications, of Kerr metrics in the full subextremal range. Central to our approach is the proof of a global in time energy-Morawetz estimate conditional on a low frequency control of the solution using microlocal multipliers adapted to the $r$-foliation of the spacetime. This result constitutes a first step towards extending the current proof of Kerr stability in \cite{GCM1} \cite{GCM2} \cite{KS:Kerr} \cite{GKS} \cite{Shen}, valid in the slowly rotating case, to a complete resolution of the black hole stability conjecture, i.e., the statement that the Kerr family of spacetimes is nonlinearly stable for all subextremal angular momenta. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_02341 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Energy-Morawetz estimates for the wave equation in perturbations of Kerr Ma, Siyuan Szeftel, Jérémie Analysis of PDEs General Relativity and Quantum Cosmology 58J45 In this paper, we prove energy and Morawetz estimates for solutions to the scalar wave equation in spacetimes with metrics that are perturbations, compatible with nonlinear applications, of Kerr metrics in the full subextremal range. Central to our approach is the proof of a global in time energy-Morawetz estimate conditional on a low frequency control of the solution using microlocal multipliers adapted to the $r$-foliation of the spacetime. This result constitutes a first step towards extending the current proof of Kerr stability in \cite{GCM1} \cite{GCM2} \cite{KS:Kerr} \cite{GKS} \cite{Shen}, valid in the slowly rotating case, to a complete resolution of the black hole stability conjecture, i.e., the statement that the Kerr family of spacetimes is nonlinearly stable for all subextremal angular momenta. |
| title | Energy-Morawetz estimates for the wave equation in perturbations of Kerr |
| topic | Analysis of PDEs General Relativity and Quantum Cosmology 58J45 |
| url | https://arxiv.org/abs/2410.02341 |