• In algebra, a linear Lie algebra is a subalgebra g {\displaystyle {\mathfrak {g}}} of the Lie algebra g l ( V ) {\displaystyle {\mathfrak {gl}}(V)} consisting...
    1 KB (186 words) - 19:30, 30 March 2025
  • Thumbnail for Special linear Lie algebra
    In mathematics, the special linear Lie algebra of order n {\displaystyle n} over a field F {\displaystyle F} , denoted s l n F {\displaystyle {\mathfrak...
    11 KB (1,947 words) - 02:41, 5 April 2025
  • Thumbnail for Lie algebra
    mathematics, a Lie algebra (pronounced /liː/ LEE) is a vector space g {\displaystyle {\mathfrak {g}}} together with an operation called the Lie bracket, an...
    62 KB (10,497 words) - 10:18, 26 June 2025
  • Thumbnail for General linear group
    The general linear group GL ⁡ ( n , R ) {\displaystyle \operatorname {GL} (n,\mathbb {R} )} over the field of real numbers is a real Lie group of dimension...
    24 KB (3,929 words) - 19:07, 8 May 2025
  • Thumbnail for Semisimple Lie algebra
    mathematics, a Lie algebra is semisimple if it is a direct sum of simple Lie algebras. (A simple Lie algebra is a non-abelian Lie algebra without any non-zero...
    41 KB (5,743 words) - 05:34, 4 March 2025
  • Thumbnail for Lie algebra representation
    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 (or endomorphisms...
    28 KB (4,312 words) - 17:24, 28 November 2024
  • Thumbnail for Representation theory
    abstract algebraic structures by representing their elements as linear transformations of vector spaces, and studies modules over these abstract algebraic structures...
    56 KB (7,331 words) - 19:13, 5 June 2025
  • In linear algebra, the trace of a square matrix A, denoted tr(A), is the sum of the elements on its main diagonal, a 11 + a 22 + ⋯ + a n n {\displaystyle...
    37 KB (5,564 words) - 23:37, 19 June 2025
  • Thumbnail for Cartan subalgebra
    the Lie algebra of a maximal torus of the compact group. If g {\displaystyle {\mathfrak {g}}} is a linear Lie algebra (a Lie subalgebra of the Lie algebra...
    15 KB (2,053 words) - 11:13, 22 February 2025
  • Thumbnail for Linear algebraic group
    {\displaystyle M} . Many Lie groups can be viewed as linear algebraic groups over the field of real or complex numbers. (For example, every compact Lie group can be...
    41 KB (6,000 words) - 12:59, 4 October 2024
  • Thumbnail for Adjoint representation
    adjoint action) of a Lie group G is a way of representing the elements of the group as linear transformations of the group's Lie algebra, considered as a...
    21 KB (3,528 words) - 06:38, 9 July 2025
  • Thumbnail for Algebraic group
    linear groups, projective groups, Euclidean groups, etc. Many matrix groups are also algebraic. Other algebraic groups occur naturally in algebraic geometry...
    16 KB (2,244 words) - 15:28, 15 May 2025
  • Thumbnail for Lie group
    matrix Lie algebra, there is a linear group (matrix Lie group) with this algebra as its Lie algebra. On the other hand, Lie groups with isomorphic Lie algebras...
    65 KB (9,490 words) - 15:29, 22 April 2025
  • where for g l ( n ) {\displaystyle {\mathfrak {gl}}(n)} the general linear Lie algebra and I n {\displaystyle I_{n}} the n × n {\displaystyle n\times n}...
    2 KB (336 words) - 08:06, 15 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) - 01:21, 22 June 2025
  • Thumbnail for Real form (Lie theory)
    correspondence between Lie groups and Lie algebras, the notion of a real form can be defined for Lie groups. In the case of linear algebraic groups, the notions...
    6 KB (818 words) - 14:46, 20 June 2023
  • Thumbnail for Kernel (linear algebra)
    Sheldon Jay (1997), Linear Algebra Done Right (2nd ed.), Springer-Verlag, ISBN 0-387-98259-0. Lay, David C. (2005), Linear Algebra and Its Applications...
    24 KB (3,724 words) - 13:03, 11 June 2025
  • Thumbnail for Projection (linear algebra)
    In linear algebra and functional analysis, a projection is a linear transformation P {\displaystyle P} from a vector space to itself (an endomorphism)...
    34 KB (5,806 words) - 14:46, 17 February 2025
  • conjugate transpose, and linear operators over a Hilbert space and Hermitian adjoints. However, it may happen that an algebra admits no involution. Look...
    11 KB (1,359 words) - 09:14, 24 May 2025
  • Thumbnail for Solvable Lie algebra
    Lie algebra g {\displaystyle {\mathfrak {g}}} is solvable if its derived series terminates in the zero subalgebra. The derived Lie algebra of the Lie...
    11 KB (1,606 words) - 19:14, 8 August 2024
  • theorem Lie algebra Lie-* algebra Lie algebra bundle Lie algebra cohomology Lie algebra representation Lie algebroid Lie bialgebra Lie coalgebra Lie conformal...
    2 KB (252 words) - 05:29, 18 December 2022
  • and a semisimple algebra over an algebraically closed field. The universal enveloping algebra of a Lie algebra is an associative algebra that can be used...
    31 KB (4,261 words) - 10:53, 26 May 2025
  • mathematics, in particular abstract algebra and topology, a homotopy Lie algebra (or L ∞ {\displaystyle L_{\infty }} -algebra) is a generalisation of the concept...
    16 KB (2,645 words) - 10:24, 2 April 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
  • subalgebra is a Lie subalgebra of a general linear Lie algebra all of whose elements are semisimple (or diagonalizable over an algebraically closed field)...
    4 KB (504 words) - 18:56, 5 March 2023
  • The foundation of Lie theory is the exponential map relating Lie algebras to Lie groups which is called the Lie group–Lie algebra correspondence. The...
    10 KB (1,253 words) - 20:28, 3 June 2025
  • Thumbnail for Special linear group
    field). These elements are "special" in that they form an algebraic subvariety of the general linear group – they satisfy a polynomial equation (since the...
    11 KB (1,781 words) - 06:09, 2 May 2025
  • A weight on a Lie algebra g over a field F is a linear map λ: g → F with λ([x, y]) = 0 for all x, y in g. Any weight on a Lie algebra g vanishes on the...
    22 KB (3,368 words) - 17:09, 14 April 2025
  • mathematics, Lie algebra cohomology is a cohomology theory for Lie algebras. It was first introduced in 1929 by Élie Cartan to study the topology of Lie groups...
    14 KB (2,251 words) - 21:57, 7 March 2025
  • Thumbnail for Group of Lie type
    group of Lie type usually refers to finite groups that are closely related to the group of rational points of a reductive linear algebraic group with...
    22 KB (2,985 words) - 04:28, 23 November 2024