Singularities of wavefronts and lightcones in the context of GR via null foliations

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We describe an approach to the issue of the singularities of null hypersurfaces, due to the focusing of null geodesics, in the context of the recently introduced formulation of GR via null foliations.
8 pages, 6 figures

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General Relativity and Quantum Cosmology

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http://salesiana.dossiersoluciones.com/handle/123456789/33583

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/gr-qc/0006077
 http://arxiv.org/abs/gr-qc/0006077
 Twistor Newslett. 43 (1997) 14-21

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arXiv