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Ricci decomposition information


In the mathematical fields of Riemannian and pseudo-Riemannian geometry, the Ricci decomposition is a way of breaking up the Riemann curvature tensor of a Riemannian or pseudo-Riemannian manifold into pieces with special algebraic properties. This decomposition is of fundamental importance in Riemannian and pseudo-Riemannian geometry.

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Ricci decomposition

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mathematical fields of Riemannian and pseudo-Riemannian geometry, the Ricci decomposition is a way of breaking up the Riemann curvature tensor of a Riemannian...

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Scalar curvature

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the Ricci decomposition; it is orthogonal to the difference between the Riemann tensor and itself. The other two parts of the Ricci decomposition correspond...

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Curvature of Riemannian manifolds

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decomposed into a Weyl part and a Ricci part. This decomposition is known as the Ricci decomposition, and plays an important role in the conformal geometry...

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Ricci curvature

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In differential geometry, the Ricci curvature tensor, named after Gregorio Ricci-Curbastro, is a geometric object which is determined by a choice of Riemannian...

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Ricci flow

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geometric analysis, the Ricci flow (/ˈriːtʃi/ REE-chee, Italian: [ˈrittʃi]), sometimes also referred to as Hamilton's Ricci flow, is a certain partial...

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Ricci calculus

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In mathematics, Ricci calculus constitutes the rules of index notation and manipulation for tensors and tensor fields on a differentiable manifold, with...

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Weyl tensor

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\!\!\!\!\!\!\!\!\;\bigcirc ~}g\right|^{2}.} This decomposition, known as the Ricci decomposition, expresses the Riemann curvature tensor into its irreducible...

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List of differential geometry topics

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Scalar curvature Sectional curvature Ricci curvature, Ricci flat Ricci decomposition Schouten tensor Weyl curvature Ricci flow Einstein manifold Holonomy Gauss–Bonnet...

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Kretschmann scalar

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pseudo-Riemannian geometry in general Curvature invariant (general relativity) Ricci decomposition, for more about the Riemann and Weyl tensor Richard C. Henry (2000)...

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Bel decomposition

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magnetic field. Such a decomposition was partially described by Alphonse Matte in 1953 and by Lluis Bel in 1958. This decomposition is particularly important...

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Spacetime symmetries

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Statement relating differentiable symmetries to conserved quantities Ricci decomposition Symmetry in physics – Feature of a system that is preserved under...

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Geometrization conjecture

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decomposition, which is not quite the same as the decomposition in the geometrization conjecture, because some of the pieces in the JSJ decomposition...

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Exact solutions in general relativity

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Riemann tensor, but leaves the Weyl tensor unspecified (see the Ricci decomposition), the Einstein equation may be considered a kind of compatibility...

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Tensor calculus

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In mathematics, tensor calculus, tensor analysis, or Ricci calculus is an extension of vector calculus to tensor fields (tensors that may vary over a...

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Gerhard Huisken

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positivity of Ricci curvature is replaced by a quantitative closeness to constant curvature.[H85] This is measured in terms of the Ricci decomposition. Almost...

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Lawrence Ricci

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Lawrence A. Ricci (June 17, 1945 – October 2005) was a reputed Genovese crime family acting capo. Officially a dairy products salesman, Ricci was allegedly...

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Tensor rank decomposition

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decomposition or rank-R decomposition is the decomposition of a tensor as a sum of R rank-1 tensors, where R is minimal. Computing this decomposition...

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Lanczos tensor

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Einstein field equations must provide the Ricci tensor to complete the components of the Ricci decomposition. The Curtright field has a gauge-transformation...

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Tensor

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they are often simply called "tensors". Tullio Levi-Civita and Gregorio Ricci-Curbastro popularised tensors in 1900 – continuing the earlier work of Bernhard...

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Nitrosyl perchlorate

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(4 February 1969). "Thermal decomposition of nitrosyl perchlorate and nitryl perchlorate—I: Mechanism of decomposition". J. Inorg. Nucl. Chem. 31: 3395–3404...

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Riemann curvature tensor

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mathematics of general relativity Decomposition of the Riemann curvature tensor Curvature of Riemannian manifolds Ricci curvature tensor Lee 2018, p. 193...

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