Semi-symmetric Lorentzian metrics and three-dimensional curvature homogeneity of order one

被引：0
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作者：
G. Calvaruso
机构：
[1] Università del Salento,Dipartimento di Matematica “E. De Giorgi”
来源：
Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg | 2009年 / 79卷
关键词：
Lorentzian manifolds; Semi-symmetry; Curvature homogeneity; 53C50; 53C20; 53C30;
D O I：
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学科分类号：
摘要：
We completely classify three-dimensional semi-symmetric Lorentzian manifolds which are curvature homogeneous up to order one. Curvature restrictions for semi-symmetry turn out to be the same ones which ensure the existence on these manifolds of a degenerate parallel null line field (Chaichi et al., J. Phys. A, Math. Gen. 38, 841–850, 2005).
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页码：1 / 10
页数：9
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