• In mathematics, the indefinite orthogonal group, O(p, q) is the Lie group of all linear transformations of an n-dimensional real vector space that leave...
    12 KB (1,668 words) - 19:29, 30 October 2024
  • Thumbnail for Orthogonal group
    In mathematics, the orthogonal group in dimension n, denoted O(n), is the group of distance-preserving transformations of a Euclidean space of dimension...
    56 KB (7,856 words) - 02:58, 27 November 2024
  • Thumbnail for Unitary group
    generalized unitary group as an algebraic group, one can take its points over various algebras. Analogous to the indefinite orthogonal groups, one can define...
    21 KB (3,297 words) - 00:38, 1 December 2024
  • Thumbnail for Spin group
    mathematics the spin group, denoted Spin(n), is a Lie group whose underlying manifold is the double cover of the special orthogonal group SO(n) = SO(n, R)...
    27 KB (4,213 words) - 04:19, 10 December 2024
  • Thumbnail for Lorentz group
    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...
    65 KB (9,742 words) - 15:45, 6 December 2024
  • Thumbnail for Squeeze mapping
    view of the classical groups, the group of squeeze mappings is SO+(1,1), the identity component of the indefinite orthogonal group of 2×2 real matrices...
    18 KB (2,502 words) - 21:27, 15 September 2024
  • Thumbnail for Lorentz transformation
    is the indefinite orthogonal group O(3,1), a Lie group. In other words, the Lorentz group is O(3,1). As presented in this article, any Lie groups mentioned...
    106 KB (14,738 words) - 11:24, 3 December 2024
  • applications: see proper time, for example. The rotations group of such space is the indefinite orthogonal group O(q), also denoted as O(k, n − k) without a reference...
    19 KB (2,367 words) - 07:09, 14 July 2024
  • space Orthogonality Orthogonal complement Orthogonal projection Orthogonal group Pseudo-Euclidean space Null vector Indefinite orthogonal group Orientation...
    5 KB (377 words) - 12:12, 30 October 2023
  • fields. For example, for the orthogonal group, an O(n)-structure defines a Riemannian metric, and for the special linear group an SL(n,R)-structure is the...
    20 KB (2,576 words) - 06:58, 26 June 2023
  • isometry group is a compact orthogonal group O(n). This stands in contrast with the case of isotropic forms, when the corresponding group, the indefinite orthogonal...
    33 KB (4,566 words) - 03:12, 28 September 2024
  • Cartan–Dieudonné theorem (category Theorems in group theory)
    Then, every element of the orthogonal group O(V, b) is a composition of at most n reflections. Indefinite orthogonal group Coordinate rotations and reflections...
    4 KB (374 words) - 21:38, 21 May 2024
  • geometry and linear algebra, the projective orthogonal group PO is the induced action of the orthogonal group of a quadratic space V = (V,Q) on the associated...
    13 KB (1,874 words) - 06:22, 28 December 2022
  • Thumbnail for Hyperboloid model
    the Minkowski space. The indefinite orthogonal group O(1,n), also called the (n+1)-dimensional Lorentz group, is the Lie group of real (n+1)×(n+1) matrices...
    23 KB (3,455 words) - 06:00, 30 May 2024
  • Spin representation (category Representation theory of Lie groups)
    representations of the orthogonal or special orthogonal groups in arbitrary dimension and signature (i.e., including indefinite orthogonal groups). More precisely...
    33 KB (4,472 words) - 07:13, 5 September 2024
  • group is a certain subgroup of the Clifford algebra associated to a quadratic space. It maps 2-to-1 to the orthogonal group, just as the spin group maps...
    12 KB (2,004 words) - 09:29, 20 August 2024
  • Thumbnail for Rapidity
    that (p, q) lies on the unit hyperbola. Such matrices form the indefinite orthogonal group O(1,1) with one-dimensional Lie algebra spanned by the anti-diagonal...
    13 KB (1,949 words) - 01:20, 1 December 2024
  • Thumbnail for Point reflection
    every indefinite orthogonal group as well. It equals the identity if and only if the characteristic is 2. It is the longest element of the Coxeter group of...
    21 KB (2,742 words) - 19:27, 20 October 2024
  • Thumbnail for Unit hyperbola
    Unit hyperbola (category Linear algebraic groups)
    2 − y 2 = 1. {\displaystyle x^{2}-y^{2}=1.} In the study of indefinite orthogonal groups, the unit hyperbola forms the basis for an alternative radial...
    10 KB (1,507 words) - 01:20, 4 May 2024
  • speculative idea that the fundamental symmetry group of spacetime is the indefinite orthogonal group SO(4,1), that of de Sitter space. In the standard...
    28 KB (3,598 words) - 19:25, 21 November 2024
  • onto the orthogonal group. We define the special orthogonal group to be the image of Γ0. If K does not have characteristic 2 this is just the group of elements...
    64 KB (9,191 words) - 06:36, 4 December 2024
  • matrices. When interpreted as the matrices of the action of a set of orthogonal basis vectors for contravariant vectors in Minkowski space, the column...
    61 KB (7,233 words) - 08:32, 3 December 2024
  • directions: the gauge group of (pseudo-)Riemannian geometry must be the indefinite orthogonal group O(s,r) in general, or the Lorentz group O(3,1) for space-time...
    25 KB (4,483 words) - 17:22, 9 September 2024
  • also be defined as the quotient O(1, n) / O(1, n − 1) of two indefinite orthogonal groups, which shows that it is a non-Riemannian symmetric space. Topologically...
    11 KB (2,190 words) - 08:32, 8 December 2024
  • Thumbnail for Classical group
    the special orthogonal group SOn(R) and quotients, the projective orthogonal group POn(R), and the projective special orthogonal group PSOn(R). In characteristic...
    49 KB (7,823 words) - 14:45, 25 November 2024
  • Thumbnail for Symplectic group
    symplectic group, Sp(2n, R), on the phase space. Hamiltonian mechanics Metaplectic group Orthogonal group Paramodular group Projective unitary group Representations...
    22 KB (3,076 words) - 13:01, 4 July 2024
  • multiplication, the rotation group is isomorphic to the special orthogonal group SO(3). Improper rotations correspond to orthogonal matrices with determinant...
    65 KB (11,405 words) - 23:22, 29 October 2024
  • Thumbnail for SL2(R)
    SL2(R) (category Group theory)
    to the indefinite orthogonal group SO+(1,2). It follows that SL(2, R) is isomorphic to the spin group Spin(2,1)+. Elements of the modular group PSL(2, Z)...
    21 KB (2,988 words) - 18:22, 23 July 2024
  • Thumbnail for Structure constants
    (for example, a pseudo-Riemannian metric, on the algebra of the indefinite orthogonal group so(p,q)). That is, structure constants are often written with...
    20 KB (3,713 words) - 18:08, 9 October 2024
  • Thumbnail for Lie group
    them in terms of group theory. Lie and other mathematicians showed that the most important equations for special functions and orthogonal polynomials tend...
    65 KB (9,487 words) - 19:15, 20 December 2024