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On the null geodesics from the viewpoint of space-time singularities |
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| Authors: | L. B. Szabados |
| Affiliation: | 1. Central Research Institute for Physics, P.O. Box 49, H-1525, Budapest 114, Hungary |
| Abstract: | We examined the complete form of the propagation equation of the expansion for null geodesies and we found some restrictions in integral form on the Ricci and Weyl tensors near a singularity. |
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