English

On curvature homogeneous 4D Lorentzian manifolds

General Relativity and Quantum Cosmology 2007-11-27 v4 Differential Geometry

Abstract

We prove that a four-dimensional Lorentzian manifold that is curvature homogeneous of order 3, or \CH3\CH_3 for short, is necessarily locally homogeneous. We also exhibit and classify four-dimensional Lorentzian, \CH2\CH_2 manifolds that are not homogeneous.

Keywords

Cite

@article{arxiv.gr-qc/0702152,
  title  = {On curvature homogeneous 4D Lorentzian manifolds},
  author = {R. Milson and N. Pelavas},
  journal= {arXiv preprint arXiv:gr-qc/0702152},
  year   = {2007}
}

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8 pages