Weyl Tensor Classification in Four-dimensional Manifolds of All Signatures
arXiv:1204.5133 · doi:10.1007/s10714-013-1499-8
Abstract
It is well known that the classification of the Weyl tensor in Lorentzian manifolds of dimension four, the so called Petrov classification, was a great tool to the development of general relativity. Using the bivector approach it is shown in this article a classification for the Weyl tensor in all four-dimensional manifolds, including all signatures and the complex case, in an unified and simple way. The important Petrov classification then emerges just as a particular case in this scheme. The boost weight classification is also extended here to all signatures as well to complex manifolds. For the Weyl tensor in four dimensions it is established that this last approach produces a classification equivalent to the one generated by the bivector method.
arXiv comment10 pages. This version match the published one
References in corpus (4)
Cited by in corpus (12)
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