Open universes and avoidance of the cosmological singularity

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In the present paper we give conclusive arguments pointing at physical equivalence among conformally related metrics. Based on the argument that any consistent effective theory of spacetime must be invariant under the one-parameter group of transformations of the units of length, time and reciprocal mass, it is shown, also, that canonical general relativity is not such a consistent theory. Conformal general relativity provides a consistent formulation of the laws of gravity instead. We further extend the results of papers gr-qc/9908075 and gr-qc/9905071 to open universes by studying the Raychaudhuri equation.
11 pages, latex, no figures, submitted to PRD. New important arguments have been added. Correspondingly the abstract has been enlarged. The content of the paper is now split into sections

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General Relativity and Quantum Cosmology

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http://salesiana.dossiersoluciones.com/handle/123456789/33464

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/gr-qc/0002071
 http://arxiv.org/abs/gr-qc/0002071

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arXiv