On H. Friedrich's formulation of Einstein'equations with fluid sources

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We establish a variant, which has the advantage of introducing only physical characteristics, of the symmetric quasi linear first order system given by H.\ Friedrich for the evolution equations of gravitating fluid bodies in General Relativity which can be important to solve realistic problems. We explicit the conditions under which the system is hyperbolic and admits a well posed Cauchy problem.
To appear in TMNA, volume in honor of A. Granas

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General Relativity and Quantum Cosmology

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http://salesiana.dossiersoluciones.com/handle/123456789/34127

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/gr-qc/0202014
 http://arxiv.org/abs/gr-qc/0202014

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arXiv