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Abstract: (World Scientific)
We present a new general method for proving global decay of energy through a suitable spacetime foliation, as well as pointwise decay, starting from an integrated local energy decay estimate. The method is quite robust, requiring only physical space techniques, and circumvents use of multipliers or commutators with weights growing in t. In particular, the method applies to a wide class of perturbations of Minkowski space as well as to Schwarzschild and Kerr black hole exteriors.
Note:
  • 48 pages, 5 figures, to appear in Proceedings of the 12 Marcel Grossmann Meeting
  • The wave equation
  • Black holes
  • General relativity