Space-times with a two-dimensional group of conformal motions
| dc.contributor.author | Kolassis, C. | en |
| dc.contributor.author | Ludwig, G. | en |
| dc.date.accessioned | 2015-11-24T18:35:13Z | |
| dc.date.available | 2015-11-24T18:35:13Z | |
| dc.identifier.issn | 0217-751X | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/17062 | |
| dc.rights | Default Licence | - |
| dc.subject | null | en |
| dc.title | Space-times with a two-dimensional group of conformal motions | en |
| heal.abstract | The necessary and sufficient conditions for a space-time to admit a two-dimensional group of conformal motions (and, in particular, of homothetic motions) acting on nonnull orbits are found in the compacted spin-coefficient formalism. Although the discussion is restricted to the case of spacelike orbits, similar results are readily obtained for timelike orbits via the (modified) Sachs star operation. A number of theorems are obtained dealing with such topics as the Gaussian curvature of the group orbits, orthogonal transitivity, and hypersurface orthogonality of the conformal Killing vectors. A simple proof is presented of a generalization of a theorem due to Papapetrou. | en |
| heal.access | campus | - |
| heal.fullTextAvailability | TRUE | - |
| heal.identifier.secondary | <Go to ISI>://A1996TU68800002 | - |
| heal.identifier.secondary | http://www.worldscinet.com/ijmpa/11/1105/S0217751X96000389.html | - |
| heal.journalName | International Journal of Modern Physics A | en |
| heal.journalType | peer reviewed | - |
| heal.language | en | - |
| heal.publicationDate | 1996 | - |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιών | el |
| heal.type | journalArticle | - |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.type.en | Journal article | en |
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