Classification of cosmological milestones

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In this paper causal geodesic completeness of FLRW cosmological models is analysed in terms of generalised power expansions of the scale factor in coordinate time. The strength of the found singularities is discussed following the usual definitions due to Tipler and Krolak. It is shown that while classical cosmological models are both timelike and lightlike geodesically incomplete, certain observationally alllowed models which have been proposed recently are lightlike geodesically complete.
RevTeX 4, 12 pages

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General Relativity and Quantum Cosmology, Astrophysics, High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/113613

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/gr-qc/0607073
 http://arxiv.org/abs/gr-qc/0607073
 Phys.Rev. D74 (2006) 064030
 doi:10.1103/PhysRevD.74.064030

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arXiv