• mathematics, the nonmetricity tensor in differential geometry is the covariant derivative of the metric tensor. It is therefore a tensor field of order...
    4 KB (437 words) - 09:07, 24 July 2023
  • two vectors is sometimes called an elementary tensor or a decomposable tensor. The elementary tensors span V ⊗ W {\displaystyle V\otimes W} in the sense...
    50 KB (8,640 words) - 13:51, 17 October 2024
  • Thumbnail for Tensor
    (electromagnetic tensor, Maxwell tensor, permittivity, magnetic susceptibility, ...), and general relativity (stress–energy tensor, curvature tensor, ...). In...
    69 KB (9,351 words) - 03:54, 7 December 2024
  • universal property of the tensor product of vector spaces extends to more general situations in abstract algebra. The tensor product of an algebra and...
    48 KB (8,470 words) - 05:39, 5 December 2024
  • mathematical field of differential geometry, the Riemann curvature tensor or Riemann–Christoffel tensor (after Bernhard Riemann and Elwin Bruno Christoffel) is the...
    19 KB (2,928 words) - 18:43, 20 December 2024
  • Thumbnail for Cauchy stress tensor
    tensor (symbol σ {\displaystyle {\boldsymbol {\sigma }}} , named after Augustin-Louis Cauchy), also called true stress tensor or simply stress tensor...
    57 KB (8,316 words) - 10:00, 2 December 2024
  • 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...
    16 KB (2,770 words) - 01:56, 4 December 2024
  • 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...
    22 KB (3,522 words) - 22:57, 19 December 2024
  • 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 (8,866 words) - 08:52, 9 August 2024
  • 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 (7,264 words) - 09:18, 17 December 2024
  • Thumbnail for Moment of inertia
    inertia tensor of a body calculated at its center of mass, and R {\displaystyle \mathbf {R} } be the displacement vector of the body. The inertia tensor of...
    91 KB (17,281 words) - 17:32, 21 December 2024
  • 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 (5,859 words) - 04:51, 6 July 2024
  • In multilinear algebra, a tensor contraction is an operation on a tensor that arises from the canonical pairing of a vector space and its dual. In components...
    13 KB (1,882 words) - 08:46, 28 November 2024
  • multilinear algebra, the tensor rank decomposition or rank-R decomposition is the decomposition of a tensor as a sum of R rank-1 tensors, where R is minimal...
    36 KB (6,308 words) - 17:31, 28 November 2024
  • Thumbnail for Stress–energy tensor
    stress-energy tensor The stress–energy tensor, sometimes called the stress–energy–momentum tensor or the energy–momentum tensor, is a tensor physical quantity...
    25 KB (4,039 words) - 00:39, 23 December 2024
  • differential geometry, a tensor density or relative tensor is a generalization of the tensor field concept. A tensor density transforms as a tensor field when passing...
    22 KB (3,464 words) - 13:16, 28 May 2024
  • independent of any metric tensor and coordinate system. Also, the specific term "symbol" emphasizes that it is not a tensor because of how it transforms...
    30 KB (5,171 words) - 01:42, 4 September 2024
  • 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
  • fields) and to arbitrary tensor fields, in a unique way that ensures compatibility with the tensor product and trace operations (tensor contraction). Given...
    37 KB (6,478 words) - 19:49, 24 October 2024
  • Thumbnail for Covariance and contravariance of vectors
    consequently a vector is called a contravariant tensor. A vector, which is an example of a contravariant tensor, has components that transform inversely to...
    34 KB (5,432 words) - 01:04, 1 December 2024
  • field. Tensors also have extensive applications in physics: Electromagnetic tensor (or Faraday's tensor) in electromagnetism Finite deformation tensors for...
    27 KB (3,174 words) - 02:46, 7 September 2024
  • 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 (1,673 words) - 22:42, 19 December 2024
  • 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 (7,038 words) - 22:45, 23 August 2024
  • Thumbnail for Torsion tensor
    differential geometry, the torsion tensor is a tensor that is associated to any affine connection. The torsion tensor is a bilinear map of two input vectors...
    27 KB (4,371 words) - 18:19, 16 December 2024
  • Riemann curvature tensor, the Weyl tensor expresses the tidal force that a body feels when moving along a geodesic. The Weyl tensor differs from the Riemann...
    10 KB (1,742 words) - 17:55, 29 January 2024
  • Thumbnail for Cartesian tensor
    a Cartesian tensor uses an orthonormal basis to represent a tensor in a Euclidean space in the form of components. Converting a tensor's components from...
    67 KB (11,700 words) - 20:42, 27 October 2024
  • of tensor theory. For expositions of tensor theory from different points of view, see: Tensor Tensor (intrinsic definition) Application of tensor theory...
    8 KB (1,028 words) - 11:00, 27 October 2024
  • 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) - 22:13, 19 October 2024
  • tensor is antisymmetric with respect to its first three indices. If a tensor changes sign under exchange of each pair of its indices, then the tensor...
    5 KB (836 words) - 08:04, 2 July 2024
  • thought of as a tensor, and is written δ j i {\displaystyle \delta _{j}^{i}} . Sometimes the Kronecker delta is called the substitution tensor. In the study...
    22 KB (4,056 words) - 21:53, 29 December 2023