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Keywords:
conformally flat manifolds; semi-symmetric and pseudo-symmetric spaces; homogeneous and curvature homogeneous spaces
conformally flat manifolds; semi-symmetric and pseudo-symmetric spaces; homogeneous and curvature homogeneous spaces
Summary:
We study conformally flat Lorentzian three-manifolds which are either semi-symmetric or pseudo-symmetric. Their complete classification is obtained under hypotheses of local homogeneity and curvature homogeneity. Moreover, examples which are not curvature homogeneous are described.
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