differential geometry, a Lie group action is a group action adapted to the smooth setting: G {\displaystyle G} is a Lie group, M {\displaystyle M} is a...
8 KB (1,332 words) - 23:54, 15 January 2024
In mathematics, a Lie group (pronounced /liː/ LEE) is a group that is also a differentiable manifold, such that group multiplication and taking inverses...
64 KB (9,427 words) - 05:48, 28 May 2024
an abstract group, and to say that one has a group action of the abstract group that consists of performing the transformations of the group of transformations...
45 KB (5,591 words) - 01:53, 22 June 2024
simple Lie group is a connected non-abelian Lie group G which does not have nontrivial connected normal subgroups. The list of simple Lie groups can be...
34 KB (2,262 words) - 15:54, 14 May 2024
a Lie group is a linear action of a Lie group on a vector space. Equivalently, a representation is a smooth homomorphism of the group into the group of...
34 KB (5,242 words) - 21:39, 18 September 2023
Adjoint representation (redirect from Adjoint representation of a Lie group)
representation (or 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...
21 KB (3,516 words) - 13:30, 25 May 2024
mathematics, specifically in group theory, the phrase group of Lie type usually refers to finite groups that are closely related to the group of rational points...
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transformations of a local Lie group. Conversely, in the presence of a Lie algebra of vector fields, integration gives a local Lie group action. The result now known...
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A Lie group integrator is a numerical integration method for differential equations built from coordinate-independent operations such as Lie group actions...
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algebras are closely related to Lie groups, which are groups that are also smooth manifolds: every Lie group gives rise to a Lie algebra, which is the tangent...
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the correspondence between Lie groups and Lie algebras, Lie groupoids are the global counterparts of Lie algebroids. Lie groupoids were introduced by...
44 KB (7,436 words) - 12:16, 15 May 2024
Fundamental vector field (category Lie groups)
behaviour of a smooth Lie group action on a smooth manifold. Such vector fields find important applications in the study of Lie theory, symplectic geometry...
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In topology, a continuous group action on a topological space X is a group action of a topological group G that is continuous: i.e., G × X → X , ( g ,...
2 KB (355 words) - 06:14, 22 October 2022
unitary group of degree n, denoted SU(n), is the Lie group of n × n unitary matrices with determinant 1. The matrices of the more general unitary group may...
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matrices which represent the groups. In Cartan's classification of the simple Lie algebras, the Lie algebra of the complex group Sp(2n, C) is denoted Cn,...
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E8 (mathematics) (redirect from Lie group E8)
is any of several closely related exceptional simple Lie groups, linear algebraic groups or Lie algebras of dimension 248; the same notation is used for...
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defined as the unit group of the matrix ring M(n, R). The general linear group GL(n, R) over the field of real numbers is a real Lie group of dimension n2...
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Dynkin diagrams, as in the theory of compact Lie groups or complex semisimple Lie algebras. Reductive groups over an arbitrary field are harder to classify...
55 KB (7,845 words) - 18:28, 24 April 2024
universal complexification of a real Lie group is given by a continuous homomorphism of the group into a complex Lie group with the universal property that...
52 KB (7,216 words) - 14:30, 2 December 2022
Lie to Me (stylized as Lie to me*) is an American crime drama television series. It originally ran on the Fox network from January 21, 2009, to January...
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971,200. This is the only simple group that is a derivative of a group of Lie type that is not strictly a group of Lie type in any series due to exceptional...
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Lie groups form a class of topological groups, and the compact Lie groups have a particularly well-developed theory. Basic examples of compact Lie groups...
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Weight (representation theory) (redirect from Weight (Lie algebra))
multiplicative character of a group. The importance of the concept, however, stems from its application to representations of Lie algebras and hence also to...
22 KB (3,339 words) - 16:22, 15 May 2024
geometry, a complex Lie group is a Lie group over the complex numbers; i.e., it is a complex-analytic manifold that is also a group in such a way G × G...
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In 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...
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transformations Mathematically, the Lorentz group may be described as the indefinite orthogonal group O(1, 3), the matrix Lie group that preserves the quadratic form...
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as abelian groups and semisimple Lie groups.) A basic example is the Fourier transform, which decomposes the action of the additive group R {\displaystyle...
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non-abelian Lie group that is of importance as a model in our understanding of the most basic fundamentals of physics. The Poincaré group consists of...
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Foliation (section Lie group actions)
with structure group H. Let G be a Lie group acting smoothly on a manifold M. If the action is a locally free action or free action, then the orbits...
70 KB (8,140 words) - 01:31, 24 April 2024
equals its transpose). The orthogonal group is an algebraic group and a Lie group. It is compact. The orthogonal group in dimension n has two connected components...
56 KB (7,820 words) - 07:00, 11 March 2024