the tensor product of two fields is their tensor product as algebras over a common subfield. If no subfield is explicitly specified, the two fields must...
11 KB (1,823 words) - 05:49, 19 May 2025
v\otimes w} is called the tensor product of v and w. An element of V ⊗ W {\displaystyle V\otimes W} is a tensor, and the tensor product of two vectors is sometimes...
50 KB (8,659 words) - 12:02, 7 May 2025
the shorter form "tensor". For example, the Riemann curvature tensor refers a tensor field, as it associates a tensor to each point of a Riemannian manifold...
23 KB (3,582 words) - 13:22, 13 May 2025
glossary 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
the tensor product of two algebras over a commutative ring R is also an R-algebra. This gives the tensor product of algebras. When the ring is a field, the...
6 KB (1,062 words) - 10:27, 3 February 2025
of differential operators. Tor functor Tensor product of algebras Tensor product of fields Derived tensor product Eilenberg–Watts theorem Tensoring with...
48 KB (8,471 words) - 21:45, 27 February 2025
over a field (or other commutative ring) Tensor product of representations, a special case in representation theory Tensor product of fields, an operation...
2 KB (261 words) - 16:01, 22 May 2023
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 (3,670 words) - 21:33, 18 March 2025
(stress–energy tensor, curvature tensor, ...). In applications, it is common to study situations in which a different tensor can occur at each point of an object;...
69 KB (9,357 words) - 20:21, 20 April 2025
component-free approach to the theory of a tensor views a tensor as an abstract object, expressing some definite type of multilinear concept. Their properties...
11 KB (1,719 words) - 08:52, 28 November 2024
A metric tensor g is positive-definite if g(v, v) > 0 for every nonzero vector v. A manifold equipped with a positive-definite metric tensor is known...
56 KB (8,863 words) - 21:58, 19 May 2025
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 (1,888 words) - 08:46, 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 (4,040 words) - 17:23, 6 February 2025
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 multilinear algebra, a tensor decomposition is any scheme for expressing a "data tensor" (M-way array) as a sequence of elementary operations acting...
7 KB (760 words) - 08:41, 28 November 2024
of a common field then the (external) composite is defined using the tensor product of fields. Note that some care has to be taken for the choice of the...
4 KB (879 words) - 21:04, 21 February 2025
Dirichlet's unit theorem (redirect from Regulator of an algebraic number field)
number of real roots and 2r2 is the number of non-real complex roots of f (which come in complex conjugate pairs); write the tensor product of fields K ⊗...
13 KB (1,756 words) - 14:22, 15 February 2025
Ricci calculus (redirect from Tensor calculus)
constitutes the rules of index notation and manipulation for tensors and tensor fields on a differentiable manifold, with or without a metric tensor or connection...
46 KB (7,275 words) - 03:10, 13 January 2025
learning, the term tensor informally refers to two different concepts (i) a way of organizing data and (ii) a multilinear (tensor) transformation. Data...
31 KB (4,104 words) - 13:36, 9 April 2025
Separable polynomial (category Field (mathematics))
perfect. That finite fields are perfect follows a posteriori from their known structure. One can show that the tensor product of fields of L with itself over...
6 KB (779 words) - 03:48, 19 May 2025
gluon field strength tensor is a second order tensor field characterizing the gluon interaction between quarks. The strong interaction is one of the fundamental...
16 KB (2,107 words) - 05:03, 29 January 2025
product, sometimes denoted by ⊗, is an operation on two matrices of arbitrary size resulting in a block matrix. It is a specialization of the tensor product...
40 KB (6,085 words) - 08:27, 18 January 2025
In the mathematical field of differential geometry, the Riemann curvature tensor or Riemann–Christoffel tensor (after Bernhard Riemann and Elwin Bruno...
19 KB (2,934 words) - 18:43, 20 December 2024
of which one can recognise categories of G-sets for G profinite. To see how this applies to the case of fields, one has to study the tensor product of...
4 KB (593 words) - 23:45, 13 February 2025
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 (11,706 words) - 20:42, 27 October 2024
Dyadics (redirect from Dyadic tensor)
mathematics, specifically multilinear algebra, a dyadic or dyadic tensor is a second order tensor, written in a notation that fits in with vector algebra. There...
29 KB (4,634 words) - 00:11, 27 July 2024
In mathematics, the tensor product of representations is a tensor product of vector spaces underlying representations together with the factor-wise group...
16 KB (2,941 words) - 05:49, 19 May 2025
indeterminates ai, E is any field, and n ≥ 5). The tensor product of fields is not usually a field. For example, a finite extension F / E of degree n is a Galois...
87 KB (10,305 words) - 18:07, 14 March 2025
reduced rings Dual numbers Tensor product of fields Tensor product of R-algebras Quotient ring Field of fractions Product of rings Annihilator (ring theory)...
4 KB (296 words) - 00:44, 5 February 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