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- W1574286358 abstract "In this thesis we address several analytical and numerical problems related with the general relativistic study of black hole space-times and boson stars. We have developed a new centered finite volume method based on the flux splitting approach. The techniques for dealing with the singularity, steep gradients and apparent horizon location, are studied in the context of a single Schwarzschild black hole, in both spherically symmetric and full 3D simulations. We present an extended study of gauge instabilities related with a class of singularity avoiding slicing conditions and show that, contrary to previous claims, these instabilities are not generic for evolved gauge conditions. We developed an alternative to the current space coordinate conditions, based on a generalized Almost Killing Equation. We performed a general relativistic study regarding the long term stability of Mixed-State Boson Stars configurations and showed that they are suitable candidates for dark matter models." @default.
- W1574286358 created "2016-06-24" @default.
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- W1574286358 date "2009-09-18" @default.
- W1574286358 modified "2023-09-23" @default.
- W1574286358 title "Theoretical issues in Numerical Relativity simulations" @default.
- W1574286358 hasPublicationYear "2009" @default.
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