• 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...
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  • In the field of mathematics called abstract algebra, a division algebra is, roughly speaking, an algebra over a field in which division, except by zero...
    8 KB (1,153 words) - 17:39, 1 May 2024
  • Thumbnail for Lie algebra
    , that satisfies the Jacobi identity. In other words, a Lie algebra is an algebra over a field for which the multiplication operation (called the Lie...
    61 KB (10,442 words) - 03:03, 10 June 2024
  • A 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 (2,964 words) - 19:24, 7 May 2024
  • related areas of mathematics a central simple algebra (CSA) over a field K is a finite-dimensional associative K-algebra A which is simple, and for which...
    8 KB (1,134 words) - 12:54, 1 September 2022
  • is used in the sense of a Boolean algebra and should not be confused with algebras over fields or rings in ring theory. Fields of sets play an essential...
    23 KB (3,670 words) - 13:27, 30 October 2023
  • 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 of A. This is thus...
    31 KB (4,449 words) - 14:58, 18 May 2024
  • abstract algebra, a *-algebra (or involutive algebra; read as "star-algebra") is a mathematical structure consisting of two involutive rings R and A, where...
    11 KB (1,359 words) - 23:57, 25 May 2024
  • Thumbnail for Abstract algebra
    elements. Algebraic structures include groups, rings, fields, modules, vector spaces, lattices, and algebras over a field. The term abstract algebra was coined...
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  • Thumbnail for Field (mathematics)
    operations on rational and real numbers. A field is thus a fundamental algebraic structure which is widely used in algebra, number theory, and many other areas...
    86 KB (10,288 words) - 20:18, 2 May 2024
  • mathematics, a 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...
    10 KB (1,532 words) - 15:42, 21 February 2024
  • In mathematics, an algebraic number field (or simply number field) is an extension field K {\displaystyle K} of the field of rational numbers Q {\displaystyle...
    52 KB (8,365 words) - 00:03, 7 February 2024
  • mathematics, an algebraic structure consists of a nonempty set A (called the underlying set, carrier set or domain), a collection of operations on A (typically...
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  • 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 a 8-dimensional...
    7 KB (818 words) - 08:14, 5 January 2024
  • In mathematics, a normed algebra A is an algebra over a field which has a sub-multiplicative norm: ∀ x , y ∈ A ‖ x y ‖ ≤ ‖ x ‖ ‖ y ‖ . {\displaystyle \forall...
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  • quantum field theory to string theory and LHC phenomenology. Formally, a Hopf algebra is an (associative and coassociative) bialgebra H over a field K together...
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  • Thumbnail for Semisimple Lie algebra
    unless otherwise stated, a Lie algebra is a finite-dimensional Lie algebra over a field of characteristic 0. For such a Lie algebra g {\displaystyle {\mathfrak...
    41 KB (5,731 words) - 17:17, 10 April 2024
  • In mathematics and physics CCR algebras (after canonical commutation relations) and CAR algebras (after canonical anticommutation relations) arise from...
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  • Simple ring (redirect from Simple algebra)
    that a simple ring is an associative algebra over this field. It is then called a simple algebra over this field. Several references (e.g., Lang (2002)...
    6 KB (904 words) - 00:42, 28 November 2023
  • In abstract algebra, a Jordan algebra is a nonassociative algebra over a field whose multiplication satisfies the following axioms: x y = y x {\displaystyle...
    19 KB (2,492 words) - 17:30, 25 February 2024
  • analysis, a Banach algebra, named after Stefan Banach, is an associative algebra A {\displaystyle A} over the real or complex numbers (or over a non-Archimedean...
    17 KB (2,602 words) - 06:37, 23 September 2023
  • mathematics, hypercomplex number is a traditional term for an element of a finite-dimensional unital algebra over the field of real numbers. The study of hypercomplex...
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  • both are subgroups of G {\displaystyle G} . If R is a ring or an algebra over a field, and S is a subset of R, then the centralizer of S is exactly as...
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  • Thumbnail for Exterior algebra
    exterior algebra or Grassmann algebra of a vector space V {\displaystyle V} is an associative algebra that contains V , {\displaystyle V,} which has a product...
    76 KB (12,094 words) - 08:54, 13 June 2024
  • Thumbnail for Lie algebra representation
    mathematical field of representation theory, a Lie algebra representation or representation of a Lie algebra is a way of writing a Lie algebra as a set of matrices...
    28 KB (4,308 words) - 17:20, 8 November 2023
  • 3-dimensional Euclidean space Algebra over a fielda vector space equipped with a bilinear product Any of the original vector algebras of the nineteenth century...
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  • In ring theory, a branch of mathematics, a semisimple algebra is an associative artinian algebra over a field which has trivial Jacobson radical (only...
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  • function spaces, is a branch of functional analysis. If a collection of operators forms an algebra over a field, then it is an operator algebra. The description...
    12 KB (1,543 words) - 22:04, 24 May 2024
  • 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 that...
    11 KB (1,319 words) - 13:40, 20 April 2024
  • Thumbnail for Linear algebra
    Linear algebra is the branch of mathematics concerning linear equations such as: a 1 x 1 + ⋯ + a n x n = b , {\displaystyle a_{1}x_{1}+\cdots +a_{n}x_{n}=b...
    64 KB (7,778 words) - 18:08, 14 June 2024