Home > Articles > Published articles > Sur l'holonomie des variétés pseudo-riemanniennes de signature (2,2 + n) |
Date: | 1999 |
Abstract: | In this paper, we determinate a class of possible restricted holonomy groups for a non-irreducible indecomposable pseudo-riemannian manifold with signature (2,2 + n). In particular, we deduce that which associated to symmetric spaces; and give some examples of such spaces. Finally, we construct some examples of metrics whose restricted holonomy groups are not closed. |
Rights: | Tots els drets reservats. |
Language: | Francès |
Document: | Article ; recerca ; Versió publicada |
Published in: | Publicacions matemàtiques, V. 43 N. 1 (1999) , p. 55-84, ISSN 2014-4350 |
30 p, 259.5 KB |