Tohoku Mathematical Journal · 2014 · 22 citations · 7 references
Natural SciencesPhysicsComputational GeometryGeometryRelativityDifferential GeometryMetric GeometryRiemannian GeometryConformal GeometryLorentzian GeometryPseudo-riemannian GeometryRicci Tensor
We obtain a complete classification of four-dimensional conformally flat homogeneous pseudo-Riemannian manifolds.
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Infinitesimally homogeneous spaces
I. M. Singer · Communications on Pure and Applied Mathematics · 1960 · 194 citations
The Geometry of Walker Manifolds
Miguel Brozos‐Vázquez, Eduardo García‐Río, Peter Gilkey et al. · Synthesis lectures on mathematics and statistics · 2009 · 93 citations