Weakly-Einstein conditions over four-dimensional homogenous pseudo-Riemannian manifolds
Parvane Atashpeykar,
Ali Haji-Badali,
Amirhesam Zaeim
Abstract:A curvature identity is studied through homogenous pseudo-Riemannian four-manifolds with nontrivial isotropy. Then, special classes of the considered spaces i.e. weakly-Einstein examples are completely classified.
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