### Abstract

In the presence of certain symmetry, called cohomogeneity-one symmetry, the equation of motion of an extended object in spacetime reduces to the problem of finding geodesics on a certain orbit space. We present a general method for obtaining solutions of such extented objects and classifying them. The classification is carried out in 4-dimensional Minkowski space and in 5-dimensional anti-de Sitter space. The solvability condition is described in terms of Killing vectors and Killing tensors which mutually commute. In 4-dimensional Minkowski space, it is found that all types of cohomogeneity-one strings are solvable. In the case of 5-dimensional de Sitter space, there are not enough number of commuting Killing vectors but that the problem reduces to that of finding curves on a two-dimensional surface.

Original language | English |
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Journal | Proceedings of Science |

Publication status | Published - 2008 Dec 1 |

Event | Black Holes in General Relativity and String Theory, BHs, GR and Strings 2008 - Veli Losinj, Croatia Duration: 2008 Aug 24 → 2008 Aug 30 |

### ASJC Scopus subject areas

- General

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## Cite this

*Proceedings of Science*.