the tensor algebra of a vector space V, denoted T(V) or T•(V), is the algebra of tensors on V (of any rank) with multiplication being the tensor product...
23 KB (4,161 words) - 17:18, 1 February 2025
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) - 12:38, 26 May 2025
multilinear algebra. Ricci calculus The earliest foundation of tensor theory – tensor index notation. Order of a tensor The components of a tensor with respect...
8 KB (1,034 words) - 11:00, 27 October 2024
manipulations involving the tensor and wedge symbols. This distinction is developed in greater detail in the article on tensor algebras. Here, there is much...
77 KB (12,242 words) - 11:21, 18 June 2025
enveloping algebras. The construction proceeds by first building the tensor algebra of the underlying vector space of the Lie algebra. The tensor algebra is simply...
6 KB (820 words) - 11:59, 4 October 2024
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 (8,677 words) - 07:36, 29 May 2025
algebra concepts find applications in various areas, including: Classical treatment of tensors Dyadic tensor Glossary of tensor theory Metric tensor Bra–ket...
6 KB (661 words) - 02:59, 5 March 2024
a tensor is an algebraic object that describes a multilinear relationship between sets of algebraic objects associated with a vector space. Tensors may...
69 KB (9,357 words) - 21:25, 18 June 2025
symmetric algebra. As the symmetric algebra of a vector space is a quotient of the tensor algebra, an element of the symmetric algebra is not a tensor, and...
13 KB (2,050 words) - 23:04, 2 March 2025
mathematics, 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...
6 KB (1,062 words) - 10:27, 3 February 2025
category of R-algebras. Tensor products The tensor product of two R-algebras is also an R-algebra in a natural way. See tensor product of algebras for more...
31 KB (4,261 words) - 10:53, 26 May 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
of scalars. For a commutative ring, the tensor product of modules can be iterated to form the tensor algebra of a module, allowing one to define multiplication...
48 KB (8,469 words) - 09:18, 29 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) - 02:15, 5 June 2025
tensor algebra T ( g ) {\displaystyle T({\mathfrak {g}})} from it. The tensor algebra is a free algebra: it simply contains all possible tensor products...
51 KB (8,954 words) - 11:11, 9 February 2025
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...
26 KB (4,401 words) - 20:56, 18 June 2025
category of R-algebras to the category of sets. Free algebras over division rings are free ideal rings. Cofree coalgebra Tensor algebra Free object Noncommutative...
6 KB (915 words) - 01:13, 27 September 2024
Penrose graphical notation (redirect from Tensor diagram notation)
essentially the composition of functions. In the language of tensor algebra, a particular tensor is associated with a particular shape with many lines projecting...
9 KB (678 words) - 19:00, 30 January 2025
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 (838 words) - 19:55, 2 May 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) - 06:09, 26 May 2025
to be the von Neumann algebra generated by their algebraic tensor product, considered as operators on the Hilbert space tensor product of the Hilbert...
42 KB (5,917 words) - 00:42, 7 April 2025
diagonalization. The free algebra generated by V may be written as the tensor algebra ⨁n≥0 V ⊗ ⋯ ⊗ V, that is, the direct sum of the tensor product of n copies...
65 KB (9,287 words) - 07:33, 12 May 2025
theoretical physics, the spin tensor is a quantity used to describe the rotational motion of particles in spacetime. The spin tensor has application in general...
6 KB (881 words) - 11:10, 3 July 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 (6,321 words) - 21:48, 6 June 2025
Coalgebra (redirect from Co-algebra)
"internal" tensor product of a tensor algebra. A tensor algebra comes with a tensor product (the internal one); it can also be equipped with a second tensor product...
20 KB (2,899 words) - 15:17, 30 March 2025
(indicial) tensor manipulation, ctensor for component-defined tensors, and atensor for algebraic tensor manipulation. Tensor is an R package for basic tensor operations...
18 KB (2,065 words) - 14:46, 27 January 2025
Universal property (section Tensor algebras)
property is used rather than the concrete details. For example, the tensor algebra of a vector space is slightly complicated to construct, but much easier...
25 KB (4,031 words) - 05:52, 17 April 2025
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 (5,863 words) - 23:45, 30 December 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 (7,275 words) - 11:43, 2 June 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