• obtained from the Riemann tensor by subtracting a tensor that is a linear expression in the Ricci tensor. In general relativity, the Weyl curvature is the only...
    10 KB (1,742 words) - 18:26, 17 March 2025
  • The Lanczos tensor or Lanczos potential is a rank 3 tensor in general relativity that generates the Weyl tensor. It was first introduced by Cornelius...
    12 KB (1,924 words) - 19:16, 18 February 2024
  • Thumbnail for Curvature of Riemannian manifolds
    the Weyl tensor and Ricci tensor do not in general determine the full curvature tensor, the Riemann curvature tensor can be decomposed into a Weyl part...
    12 KB (2,115 words) - 00:45, 22 May 2025
  • Petrov classification (category Tensors in general relativity)
    classification) describes the possible algebraic symmetries of the Weyl tensor at each event in a Lorentzian manifold. It is most often applied in studying...
    17 KB (2,699 words) - 02:03, 25 May 2024
  • The Weyl tensor has the same basic symmetries as the Riemann tensor, but its 'analogue' of the Ricci tensor is zero: W i j k l = −...
    20 KB (5,403 words) - 08:53, 6 March 2025
  • the Weyl algebra and universal enveloping algebras. The tensor algebra has two different coalgebra structures. One is compatible with the tensor product...
    23 KB (4,161 words) - 17:18, 1 February 2025
  • Thumbnail for Spinor
    Spinor (redirect from Majorana-Weyl spinor)
    distinguished from the tensor representations given by Weyl's construction by the weights. Whereas the weights of the tensor representations are integer...
    72 KB (9,924 words) - 14:30, 4 May 2025
  • manifold M {\displaystyle M} and the metric tensor is given as a covariant, second-degree, symmetric tensor on M {\displaystyle M} , conventionally denoted...
    15 KB (2,490 words) - 06:26, 26 December 2024
  • vanishing of the Weyl tensor, while the Cotton tensor just becomes a constant times the divergence of the Weyl tensor. For n < 3 the Cotton tensor is identically...
    6 KB (1,003 words) - 08:44, 28 November 2024
  • Thumbnail for Hermann Weyl
    see Weyl transformation Weyl tensor Weyl transform Weyl transformation Weyl–Schouten theorem Weyl's criterion Weyl's lemma on hypoellipticity Weyl's lemma...
    42 KB (4,894 words) - 13:40, 21 May 2025
  • Curvature invariant (general relativity) (category Curvature tensors)
    the Weyl tensor.) As one might expect from the Ricci decomposition of the Riemann tensor into the Weyl tensor plus a sum of fourth-rank tensors constructed...
    7 KB (1,090 words) - 05:51, 27 December 2023
  • theoretical physics, the Weyl transformation, named after German mathematician Hermann Weyl, is a local rescaling of the metric tensor: g a b → e − 2 ω ( x...
    3 KB (687 words) - 10:50, 27 March 2025
  • metric tensor and Ω ( x ) {\displaystyle \Omega (x)} is a function on spacetime. The simplest theory in this category has the square of the Weyl tensor as...
    7 KB (1,009 words) - 04:22, 12 February 2024
  • to the Ricci scalar, the trace-removed Ricci tensor, and the Weyl tensor of the Riemann curvature tensor. In particular, R = S + E + C {\displaystyle...
    10 KB (2,269 words) - 12:15, 29 December 2023
  • notation and manipulation for tensors and tensor fields on a differentiable manifold, with or without a metric tensor or connection. It is also the modern...
    46 KB (7,275 words) - 03:10, 13 January 2025
  • Thumbnail for Electromagnetic tensor
    electromagnetism, the electromagnetic tensor or electromagnetic field tensor (sometimes called the field strength tensor, Faraday tensor or Maxwell bivector) is a...
    18 KB (3,463 words) - 17:22, 24 April 2025
  • In mathematics, a symmetric tensor is an unmixed tensor that is invariant under a permutation of its vector arguments: T ( v 1 , v 2 , … , v r ) = T (...
    11 KB (1,794 words) - 09:27, 10 February 2025
  • metric field on M consists of a metric tensor at each point p of M that varies smoothly with p. A metric tensor g is positive-definite if g(v, v) > 0 for...
    56 KB (8,863 words) - 21:58, 19 May 2025
  • of tensor theory. For expositions of tensor theory from different points of view, see: Tensor Tensor (intrinsic definition) Application of tensor theory...
    8 KB (1,034 words) - 11:00, 27 October 2024
  • Thumbnail for Tensor field
    In mathematics and physics, a tensor field is a function assigning a tensor to each point of a region of a mathematical space (typically a Euclidean space...
    23 KB (3,582 words) - 13:22, 13 May 2025
  • In tensor analysis, a mixed tensor is a tensor which is neither strictly covariant nor strictly contravariant; at least one of the indices of a mixed...
    4 KB (645 words) - 03:23, 31 March 2023
  • {\displaystyle C_{abcd}} is the Weyl tensor. It was introduced by Lluís Bel in 1959. The Bel–Robinson tensor is constructed from the Weyl tensor in a manner analogous...
    2 KB (357 words) - 09:14, 19 April 2022
  • relationship between the Ricci tensor and the matter content of the universe. Like the metric tensor, the Ricci tensor assigns to each tangent space of...
    34 KB (5,863 words) - 23:45, 30 December 2024
  • Kretschmann scalar (category Tensors in general relativity)
    {\displaystyle C_{abcd}} is the Weyl tensor, the conformal curvature tensor which is also the completely traceless part of the Riemann tensor. In d {\displaystyle...
    6 KB (1,002 words) - 06:31, 22 August 2024
  • of the stress tensor must vanish for a conformally invariant theory. The trace of the stress tensor appears in the divergence of the Weyl current as an...
    12 KB (1,611 words) - 02:51, 14 May 2025
  • differential geometry, the Einstein tensor (named after Albert Einstein; also known as the trace-reversed Ricci tensor) is used to express the curvature...
    10 KB (1,682 words) - 14:29, 11 January 2025
  • energy–momentum tensor and the Petrov classification of the Weyl tensor. There are various methods of classifying these tensors, some of which use tensor invariants...
    42 KB (7,044 words) - 06:10, 20 January 2025
  • Thumbnail for Four-tensor
    relativity, a four-tensor is an abbreviation for a tensor in a four-dimensional spacetime. General four-tensors are usually written in tensor index notation...
    8 KB (1,365 words) - 23:05, 20 December 2023
  • known conformally invariant tensor that is algebraically independent of the Weyl tensor. In abstract indices the Bach tensor is given by B a b = P c d W...
    2 KB (320 words) - 14:09, 19 July 2022
  • mathematics, the modern component-free approach to the theory of a tensor views a tensor as an abstract object, expressing some definite type of multilinear...
    11 KB (1,719 words) - 08:52, 28 November 2024