Smoothness of the future and past trapped sets in Kerr-Newman-Taub-NUT spacetimes
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arXiv
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| Format: | Preprint |
| Published: |
2017
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| _version_ | 1866909366755524608 |
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| author | Paganini, Claudio F. Oancea, Marius A. |
| author_facet | Paganini, Claudio F. Oancea, Marius A. |
| contents | We consider the sets of future/past trapped null geodesics in the exterior region of a sub-extremal Kerr-Newman-Taub-NUT spacetime. We show that, from the point of view of any timelike observer outside of such a black hole, trapping can be understood as two smooth sets of spacelike directions on the celestial sphere of the observer. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_1710_02403 |
| institution | arXiv |
| publishDate | 2017 |
| record_format | arxiv |
| spellingShingle | Smoothness of the future and past trapped sets in Kerr-Newman-Taub-NUT spacetimes Paganini, Claudio F. Oancea, Marius A. General Relativity and Quantum Cosmology Mathematical Physics We consider the sets of future/past trapped null geodesics in the exterior region of a sub-extremal Kerr-Newman-Taub-NUT spacetime. We show that, from the point of view of any timelike observer outside of such a black hole, trapping can be understood as two smooth sets of spacelike directions on the celestial sphere of the observer. |
| title | Smoothness of the future and past trapped sets in Kerr-Newman-Taub-NUT spacetimes |
| topic | General Relativity and Quantum Cosmology Mathematical Physics |
| url | https://arxiv.org/abs/1710.02403 |