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gr-qc2005★ 133 cited
Decay of Solutions of the Wave Equation in the Kerr Geometry
Felix Finster, Niky Kamran, Joel Smoller +1
We consider the Cauchy problem for the scalar wave equation in the Kerr geometry for smooth initial data supported outside the event horizon. We prove that the solutions decay in t…
math-ph2005★ 24 cited
A Variational Principle in Discrete Space-Time - Existence of Minimizers
Felix Finster
We formulate a variational principle for a collection of projectors in an indefinite inner product space. The existence of minimizers is proved in various situations.