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dc.contributor.author |
Bromberg, S. |
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dc.contributor.author |
Medina, A. |
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dc.date.accessioned |
2019-02-16T16:24:54Z |
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dc.date.available |
2019-02-16T16:24:54Z |
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dc.date.issued |
2008 |
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dc.identifier.citation |
Geodesically Complete Lorentzian Metrics on Some Homogeneous 3 Manifolds / S. Bromberg, A. Medina // Symmetry, Integrability and Geometry: Methods and Applications. — 2008. — Т. 4. — Бібліогр.: 8 назв. — англ. |
uk_UA |
dc.identifier.issn |
1815-0659 |
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dc.identifier.other |
2000 Mathematics Subject Classification: 53C22; 53C50; 57M50; 22E30 |
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dc.identifier.uri |
http://dspace.nbuv.gov.ua/handle/123456789/148001 |
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dc.description.abstract |
In this work it is shown that a necessary condition for the completeness of the geodesics of left invariant pseudo-Riemannian metrics on Lie groups is also sufficient in the case of 3-dimensional unimodular Lie groups, and not sufficient for 3-dimensional non unimodular Lie groups. As a consequence it is possible to identify, amongst the compact locally homogeneous Lorentzian 3-manifolds with non compact (local) isotropy group, those that are geodesically complete. |
uk_UA |
dc.description.sponsorship |
The authors wish to thank the anonymous referee for the careful reading and the pertinent observations that led, in particular, to a revision of the proof of Lemma 4 and to reformulate accordingly Proposition 5. |
uk_UA |
dc.language.iso |
en |
uk_UA |
dc.publisher |
Інститут математики НАН України |
uk_UA |
dc.relation.ispartof |
Symmetry, Integrability and Geometry: Methods and Applications |
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dc.title |
Geodesically Complete Lorentzian Metrics on Some Homogeneous 3 Manifolds |
uk_UA |
dc.type |
Article |
uk_UA |
dc.status |
published earlier |
uk_UA |
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