In mathematics, a composition algebra A over a field K is a not necessarily associative algebra over K together with a nondegenerate quadratic form N...
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possibilities. Such algebras, sometimes called Hurwitz algebras, are examples of composition algebras. The theory of composition algebras has subsequently...
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Cayley–Dickson construction (redirect from Cayley-Dickson algebra)
takes any algebra with involution to another algebra with involution of twice the dimension.: 45 Hurwitz's theorem (composition algebras) states that...
18 KB (2,224 words) - 05:25, 6 July 2024
generalized to form algebras of dimension 2n over a field F with involution. The square function z2 is the "norm" of the composition algebra C {\displaystyle...
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mathematics, an algebra over a field (often simply called an algebra) is a vector space equipped with a bilinear product. Thus, an algebra is an algebraic structure...
22 KB (2,933 words) - 03:41, 27 June 2024
{\displaystyle x=4} ). Algebra over a set Algebra tile Algebraic combinatorics C*-algebra Composition algebra Computer algebra Exterior algebra F-algebra F-coalgebra...
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single function Composition (combinatorics), a way of writing a positive integer as a sum of positive integers Composition algebra, an algebra over a field...
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quaternion algebra over a field F is a central simple algebra A over F that has dimension 4 over F. Every quaternion algebra becomes a matrix algebra by extending...
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mathematics, and more specifically in abstract algebra, a *-algebra (or involutive algebra; read as "star-algebra") is a mathematical structure consisting of...
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In mathematics, an associative algebra A over a commutative ring (often a field) K is a ring A together with a ring homomorphism from K into the center...
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series of exercises prove that a composition algebra is always an alternative algebra. Algebra over a field Maltsev algebra Zorn ring Schafer (1995) p. 27...
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Absolute value (section Composition algebras)
algebras is given by the square root of the composition algebra norm. In general the norm of a composition algebra may be a quadratic form that is not definite...
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In mathematics, an octonion algebra or Cayley algebra over a field F is a composition algebra over F that has dimension 8 over F. In other words, it is...
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Split-complex number (category Composition algebras)
{\displaystyle N(wz)=N(w)N(z).} This composition of N over the algebra product makes (D, +, ×, *) a composition algebra. A similar algebra based on R 2 {\displaystyle...
27 KB (4,057 words) - 01:57, 2 May 2024
Poincaré group (redirect from Poincaré algebra)
phy.olemiss.edu. Retrieved 2021-07-18. The Wikibook Associative Composition Algebra has a page on the topic of: Poincaré group Wu-Ki Tung (1985). Group...
15 KB (2,172 words) - 23:34, 20 June 2024
= 1. Banach algebra Composition algebra Division algebra Gelfand–Mazur theorem Hurwitz's theorem (composition algebras) "Normed Algebra". Encyclopaedia...
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In abstract algebra, a magma, binar, or, rarely, groupoid is a basic kind of algebraic structure. Specifically, a magma consists of a set equipped with...
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Biquaternion (category Composition algebras)
divisor. The algebra of biquaternions forms a composition algebra and can be constructed from bicomplex numbers. See § As a composition algebra below. Note...
23 KB (3,234 words) - 01:51, 9 May 2024
Bicomplex number (redirect from Fundamental theorem of tessarine algebra)
quadratic form of a bicomplex number indicates that these numbers form a composition algebra. In fact, bicomplex numbers arise at the binarion level of the Cayley–Dickson...
13 KB (1,767 words) - 18:59, 25 April 2024
Norm (mathematics) (category Linear algebra)
{\displaystyle N(z)} in composition algebras does not share the usual properties of a norm since null vectors are allowed. A composition algebra ( A , ∗ , N ) {\displaystyle...
34 KB (5,697 words) - 05:47, 22 July 2024
Hypercomplex number (redirect from Hypercomplex algebra)
hypercomplexity: Hurwitz's theorem says finite-dimensional real composition algebras are the reals R {\displaystyle \mathbb {R} } , the complexes C {\displaystyle...
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Ring (mathematics) (redirect from Ring (algebra))
In mathematics, rings are algebraic structures that generalize fields: multiplication need not be commutative and multiplicative inverses need not exist...
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In abstract algebra, a Boolean algebra or Boolean lattice is a complemented distributive lattice. This type of algebraic structure captures essential properties...
49 KB (3,356 words) - 14:42, 23 February 2024
universal algebra, an algebraic structure is called an algebra; this term may be ambiguous, since, in other contexts, an algebra is an algebraic structure...
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Quaternion (category Composition algebras)
Hamilton in 1843 and applied to mechanics in three-dimensional space. The algebra of quaternions is often denoted by H (for Hamilton), or in blackboard bold...
96 KB (12,654 words) - 08:09, 19 July 2024
Octonion (redirect from Dixon algebra)
In mathematics, the octonions are a normed division algebra over the real numbers, a kind of hypercomplex number system. The octonions are usually represented...
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operator algebra is an algebra of continuous linear operators on a topological vector space, with the multiplication given by the composition of mappings...
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Process calculus (redirect from Sequential composition)
In computer science, the process calculi (or process algebras) are a diverse family of related approaches for formally modelling concurrent systems. Process...
19 KB (2,452 words) - 08:56, 28 June 2024
overview, see Algebra. The bare word "algebra" may refer to: Elementary algebra Abstract algebra Algebra over a field In universal algebra, algebra has an axiomatic...
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A non-associative algebra (or distributive algebra) is an algebra over a field where the binary multiplication operation is not assumed to be associative...
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