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
(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
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
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
Ricci calculus (redirect from Tensor calculus)
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
Moment of inertia (redirect from Moment of inertia tensor)
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
Ricci curvature (redirect from Ricci curvature tensor)
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
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
Levi-Civita symbol (redirect from Completly anti-symmetric tensor)
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
Covariant derivative (redirect from Tensor derivative)
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
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
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
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
Kronecker delta (redirect from Kronecker tensor)
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