• Thumbnail for F-algebra
    specifically in category theory, F-algebras generalize the notion of algebraic structure. Rewriting the algebraic laws in terms of morphisms eliminates...
    15 KB (2,093 words) - 21:20, 30 May 2025
  • a σ-algebra ("sigma algebra") is part of the formalism for defining sets that can be measured. In calculus and analysis, for example, σ-algebras are used...
    31 KB (5,528 words) - 18:09, 9 May 2025
  • 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 (3,122 words) - 20:22, 31 March 2025
  • Thumbnail for Lie algebra
    In mathematics, a Lie algebra (pronounced /liː/ LEE) is a vector space g {\displaystyle {\mathfrak {g}}} together with an operation called the Lie bracket...
    61 KB (10,480 words) - 11:37, 29 May 2025
  • Algebra is a branch of mathematics that deals with abstract systems, known as algebraic structures, and the manipulation of expressions within those systems...
    137 KB (13,739 words) - 10:59, 27 May 2025
  • In mathematics, an initial algebra is an initial object in the category of F-algebras for a given endofunctor F. This initiality provides a general framework...
    9 KB (1,139 words) - 10:25, 24 December 2024
  • 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...
    31 KB (4,261 words) - 10:53, 26 May 2025
  • 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...
    11 KB (1,579 words) - 21:29, 14 May 2025
  • 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...
    67 KB (7,974 words) - 09:17, 16 May 2025
  • Thumbnail for Exterior algebra
    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 (12,118 words) - 20:04, 2 May 2025
  • geometric algebra (also known as a Clifford algebra) is an algebra that can represent and manipulate geometrical objects such as vectors. Geometric algebra is...
    93 KB (13,801 words) - 22:00, 13 April 2025
  • Thumbnail for Homological algebra
    Homological algebra is the branch of mathematics that studies homology in a general algebraic setting. It is a relatively young discipline, whose origins...
    27 KB (3,859 words) - 21:03, 26 January 2025
  • theory, a Frobenius algebra is a finite-dimensional unital associative algebra with a special kind of bilinear form which gives the algebras particularly nice...
    22 KB (3,230 words) - 08:20, 9 April 2025
  • Thumbnail for Field (mathematics)
    + e f ) = a b ⋅ ( c d ⋅ f f + e f ⋅ d d ) = a b ⋅ ( c f d f + e d f d ) = a b ⋅ c f + e d d f = a ( c f + e d ) b d f = a c f b d f + a e d b d f = a...
    87 KB (10,305 words) - 18:58, 29 May 2025
  • 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 a...
    7 KB (820 words) - 15:34, 20 February 2025
  • universal algebra, an algebraic structure is called an algebra; this term may be ambiguous, since, in other contexts, an algebra is an algebraic structure...
    21 KB (2,706 words) - 16:56, 23 May 2025
  • Thumbnail for Kernel (algebra)
    In algebra, the kernel of a homomorphism is the relation describing how elements in the domain of the homomorphism become related in the image. A homomorphism...
    23 KB (3,294 words) - 07:11, 26 May 2025
  • transition systems. F {\displaystyle F} -coalgebras are dual to F {\displaystyle F} -algebras. Just as the class of all algebras for a given signature...
    7 KB (929 words) - 00:08, 17 May 2025
  • mathematics, and more specifically in abstract algebra, a *-algebra (or involutive algebra; read as "star-algebra") is a mathematical structure consisting of...
    11 KB (1,359 words) - 09:14, 24 May 2025
  • catamorphism. Consider an initial F {\displaystyle F} -algebra ( A , i n ) {\displaystyle (A,in)} for some endofunctor F {\displaystyle F} of some category into...
    14 KB (1,835 words) - 02:33, 25 May 2025
  • mathematics, especially functional analysis, a Banach algebra, named after Stefan Banach, is an associative algebra A {\displaystyle A} over the real or complex...
    17 KB (2,618 words) - 09:10, 24 May 2025
  • property: for every linear map f from V to a commutative algebra A, there is a unique algebra homomorphism g : S(V) → A such that f = g ∘ i, where i is the inclusion...
    13 KB (2,050 words) - 23:04, 2 March 2025
  • Thumbnail for Boolean algebra (structure)
    In abstract algebra, a Boolean algebra or Boolean lattice is a complemented distributive lattice. This type of algebraic structure captures essential properties...
    49 KB (3,372 words) - 02:25, 17 September 2024
  • ring). *-algebra Affine Lie algebra Akivis algebra Algebra for a monad Albert algebra Alternative algebra AW*-algebra Azumaya algebra Banach algebra Birman–Wenzl...
    2 KB (226 words) - 14:20, 21 November 2024
  • algebra, an interior algebra is a certain type of algebraic structure that encodes the idea of the topological interior of a set. Interior algebras are...
    30 KB (3,849 words) - 17:44, 27 May 2025
  • derivation is a function on an algebra that generalizes certain features of the derivative operator. Specifically, given an algebra A over a ring or a field...
    7 KB (1,066 words) - 18:16, 21 January 2025
  • Thumbnail for Abstract algebra
    In mathematics, more specifically algebra, abstract algebra or modern algebra is the study of algebraic structures, which are sets with specific operations...
    33 KB (4,336 words) - 09:19, 28 April 2025
  • mathematics and mathematical logic, Boolean algebra is a branch of algebra. It differs from elementary algebra in two ways. First, the values of the variables...
    75 KB (9,572 words) - 09:14, 22 April 2025
  • mathematics, specifically in functional analysis, a C∗-algebra (pronounced "C-star") is a Banach algebra together with an involution satisfying the properties...
    20 KB (2,830 words) - 09:30, 14 January 2025
  • F} . Then the corresponding Weyl algebra consists of differential operators of form f m ( x ) ∂ x m + f m − 1 ( x ) ∂ x m − 1 + ⋯ + f 1 ( x ) ∂ x + f...
    28 KB (4,164 words) - 19:56, 26 February 2025