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Showing 1 to 3 of 3 for “"Einstein manifold"”.
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Calibrations and minimal Lagrangian submanifolds
… be concerned with the geometry of minimal submanifolds in certain Riemannian manifolds which possess some special geometric structure. Those Riemannian manifolds will fall into one of the following categories: 1) A Riemannian manifold M with a calibrating k-form n7. We will derive some …
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PERFECT FLUIDS AND SIGMA MODELS: A MATHEMATICAL INVESTIGATION BETWEEN GENERAL RELATIVITY AND COTTON GRAVITY
… two physics-inspired structures on Riemannian manifolds, depending on a smooth map φ between Riemannian manifolds and several other functions and constants; they are called Cotton φ-Perfect Fluids (C-φ-PF) and φ-static perfect fluids space-times (φ-SPFST). The latter are special solutions of …
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ON SOME GEOMETRIC PROPERTIES OF 𝜑-STATIC SPACES
… warped, soluzioni statiche delle equazioni di Einstein della Relatività Generale dove il tensore di stress-energia è relativo a un campo φ dato da una mappa fra la varietà di partenza e una varietà Riemanniana fissata. La prima parte del lavoro riguarderà la presentazione dei principali …