article associative algebras are assumed to have a multiplicative identity, denoted 1; they are sometimes called unital associative algebras for clarification...
31 KB (4,261 words) - 10:53, 26 May 2025
non-associative algebra (or distributive algebra) is an algebra over a field where the binary multiplication operation is not assumed to be associative....
25 KB (3,005 words) - 20:16, 18 February 2025
multiplication are associative, but not (generally) commutative. Associative operations are abundant in mathematics; in fact, many algebraic structures (such...
26 KB (3,506 words) - 01:29, 20 June 2025
multiplication operation in an algebra may or may not be associative, leading to the notions of associative algebras where associativity of multiplication is assumed...
22 KB (3,122 words) - 20:22, 31 March 2025
where R is commutative and A has the structure of an associative algebra over R. Involutive algebras generalize the idea of a number system equipped with...
11 KB (1,359 words) - 09:14, 24 May 2025
algebra of observables of any quantum system should be a formally real algebra that is commutative (xy = yx) and power-associative (the associative law...
19 KB (2,495 words) - 22:33, 8 March 2025
{\displaystyle [x,y]} . A Lie algebra is typically a non-associative algebra. However, every associative algebra gives rise to a Lie algebra, consisting of the same...
61 KB (10,495 words) - 08:47, 5 June 2025
In mathematics, a supercommutative (associative) algebra is a superalgebra (i.e. a Z2-graded algebra) such that for any two homogeneous elements x, y we...
2 KB (322 words) - 19:35, 24 May 2024
Ring (mathematics) (redirect from Associative rings)
which there is no requirement for multiplication to be associative. For these authors, every algebra is a "ring". The most familiar example of a ring is...
99 KB (13,697 words) - 09:39, 16 June 2025
Cayley–Dickson construction (redirect from Cayley-Dickson algebra)
and associative then B is associative. If A is associative and x + x*, xx* associate and commute with everything, then B is an alternative algebra. Schafer...
21 KB (2,554 words) - 06:23, 7 May 2025
yb. For associative algebras, the definition can be simplified as follows: a non-zero associative algebra over a field is a division algebra if and only...
8 KB (1,153 words) - 17:39, 1 May 2024
In abstract algebra, a representation of an associative algebra is a module for that algebra. Here an associative algebra is a (not necessarily unital)...
7 KB (1,069 words) - 10:21, 30 June 2021
may be regarded as a free commutative algebra. For R a commutative ring, the free (associative, unital) algebra on n indeterminates {X1,...,Xn} is the...
6 KB (915 words) - 01:13, 27 September 2024
mathematics, a Clifford algebra is an algebra generated by a vector space with a quadratic form, and is a unital associative algebra with the additional structure...
65 KB (9,287 words) - 07:33, 12 May 2025
. Every associative algebra is power-associative, but so are all other alternative algebras (like the octonions, which are non-associative) and even...
5 KB (694 words) - 08:21, 14 January 2025
In abstract algebra, an alternative algebra is an algebra in which multiplication need not be associative, only alternative. That is, one must have x...
7 KB (1,064 words) - 20:49, 14 June 2025
• yy ≡ xy • y Power-associative If the submagma generated by any element is associative Flexible if xy • x ≡ x • yx Associative If it satisfies the identity...
18 KB (1,825 words) - 02:46, 8 June 2025
Hypercomplex number (redirect from Hypercomplex algebra)
project began in 1872 when Benjamin Peirce first published his Linear Associative Algebra, and was carried forward by his son Charles Sanders Peirce. Most...
27 KB (3,215 words) - 22:17, 5 June 2025
c)-(a\cdot b)\cdot c=0} . But, there are algebras R {\displaystyle R} which are not necessarily associative, meaning if a , b , c ∈ R {\displaystyle a...
25 KB (4,777 words) - 15:55, 29 May 2025
enveloping algebra of a Lie algebra is the unital associative algebra whose representations correspond precisely to the representations of that Lie algebra. Universal...
51 KB (8,954 words) - 11:11, 9 February 2025
antipode to create a Hopf algebra structure. Note: In this article, all algebras are assumed to be unital and associative. The unit is explicitly required...
23 KB (4,161 words) - 17:18, 1 February 2025
dimension 8 over F. In other words, it is a 8-dimensional unital non-associative algebra A over F with a non-degenerate quadratic form N (called the norm...
7 KB (820 words) - 15:34, 20 February 2025
In mathematics, the Griess algebra is a commutative non-associative algebra on a real vector space of dimension 196884 that has the Monster group M as...
1 KB (173 words) - 10:56, 28 November 2024
Coalgebra (redirect from Co-associative)
category-theoretic sense of reversing arrows) to unital associative algebras. The axioms of unital associative algebras can be formulated in terms of commutative diagrams...
20 KB (2,899 words) - 15:17, 30 March 2025
In abstract algebra, a commutant-associative algebra is a nonassociative algebra over a field whose multiplication satisfies the following axiom: ( [ A...
3 KB (317 words) - 14:39, 20 March 2023
Quotient ring (redirect from Quotient associative algebra)
n = 1 , … , k {\displaystyle R\ /\ I_{n},\;n=1,\ldots ,k} . An associative algebra A {\displaystyle A} over a commutative ring R {\displaystyle R} is...
17 KB (2,983 words) - 05:40, 13 June 2025
algebras A and B, an algebra homomorphism f : A → B is unital if it maps the identity element of A to the identity element of B. If the associative algebra...
17 KB (2,261 words) - 05:30, 2 June 2025
In mathematics, the exterior algebra or Grassmann algebra of a vector space V {\displaystyle V} is an associative algebra that contains V , {\displaystyle...
77 KB (12,242 words) - 11:21, 18 June 2025
abstract algebra, a representation of a Hopf algebra is a representation of its underlying associative algebra. That is, a representation of a Hopf algebra H...
6 KB (1,184 words) - 22:22, 1 June 2025
In mathematics, a Poisson algebra is an associative algebra together with a Lie bracket that also satisfies Leibniz's law; that is, the bracket is also...
6 KB (820 words) - 11:59, 4 October 2024