Colloquium Mathematicum · 1998 · 30 citations · 18 references
Natural SciencesPhysicsRelativityTheoretical PhysicsCurved SpacetimeGeneral RelativityMetric GeometryRiemannian GeometrySpacetime GeometrySymplectic GeometryRicci Tensor
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M. C. Chaki, Uday Chand De · Acta Mathematica Academiae Scientiarum Hungaricae · 1989 · 139 citations
Hypersurfaces with parallel Ricci tensor
Patrick J. Ryan · Osaka City University (Osaka City University) · 1971 · 70 citations · Full text
On some class of warped product manifolds
Ryszard Deszcz · Medical Entomology and Zoology · 1987 · 50 citations
A class of complex hypersurfaces
Patrick J. Ryan · Colloquium Mathematicum · 1972 · 42 citations · Full text