Differential Geometry and its Applications · 2002 · 51 citations · 17 references
Natural SciencesMathematicsPhysicsGeometryMathematical PhysicsTopologyDifferential GeometryDifferential TopologyLow-dimensional GeometryMetric GeometryRiemannian GeometrySpacetime GeometryDifferential Geometry Of SpacetimeGeometric Structures On ManifoldsLorentzian Geometry
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Roger Penrose · Journal of Mathematical Physics · 1967 · 621 citations
A spinor approach to general relativity
Roger Penrose · Annals of Physics · 1960 · 607 citations
Invariant Formulation of Gravitational Radiation Theory
F. A. E. Pirani · Physical Review · 1957 · 334 citations