• Thumbnail for Adjoint representation
    In mathematics, the adjoint representation (or adjoint action) of a Lie group G is a way of representing the elements of the group as linear transformations...
    21 KB (3,516 words) - 09:22, 26 August 2024
  • Hermitian adjoint (adjoint of a linear operator) in functional analysis Adjoint endomorphism of a Lie algebra Adjoint representation of a Lie group Adjoint functors...
    1 KB (194 words) - 09:14, 18 September 2023
  • Thumbnail for Lie algebra representation
    v = ρ(X)(v). The most basic example of a Lie algebra representation is the adjoint representation of a Lie algebra g {\displaystyle {\mathfrak {g}}} on...
    28 KB (4,312 words) - 15:08, 9 November 2024
  • Thumbnail for Lie algebra
    Lie algebra g {\displaystyle {\mathfrak {g}}} , the adjoint representation is the representation ad : g → g l ( g ) {\displaystyle \operatorname {ad}...
    61 KB (10,459 words) - 23:14, 17 September 2024
  • Thumbnail for Special unitary group
    Tr(T_{a}T_{b})={\frac {1}{2}}\delta _{ab}.} In the (n2 − 1)-dimensional adjoint representation, the generators are represented by (n2 − 1) × (n2 − 1) matrices...
    34 KB (5,711 words) - 08:07, 3 October 2024
  • d ( V ) {\displaystyle \mathrm {End} (V)} ⁠. In fact it is the adjoint representation ad(u) of ⁠ E n d ( V ) {\displaystyle \mathrm {End} (V)} ⁠. Given...
    50 KB (8,640 words) - 13:51, 17 October 2024
  • transpose in the definition of the dual representation may be identified with the ordinary matrix transpose. Since the adjoint of a matrix is the complex conjugate...
    10 KB (1,699 words) - 19:20, 8 October 2024
  • Thumbnail for Semisimple Lie algebra
    lemma.) As the adjoint representation is injective, a semisimple Lie algebra is a linear Lie algebra under the adjoint representation. This may lead to...
    41 KB (5,731 words) - 05:42, 22 October 2024
  • Thumbnail for SL2(R)
    real Lie group of dimension 3 with applications in geometry, topology, representation theory, and physics. SL(2, R) acts on the complex upper half-plane by...
    21 KB (2,988 words) - 18:22, 23 July 2024
  • equivalent to the following identity between the operators of the adjoint representation: ad [ x , y ] = [ ad x , ad y ] . {\displaystyle \operatorname {ad}...
    8 KB (1,189 words) - 18:39, 15 September 2024
  • {\displaystyle A} on an inner product space defines a Hermitian adjoint (or adjoint) operator A ∗ {\displaystyle A^{*}} on that space according to the...
    18 KB (3,271 words) - 21:46, 1 October 2024
  • this relationship are known as adjoint functors, one being the left adjoint and the other the right adjoint. Pairs of adjoint functors are ubiquitous in mathematics...
    63 KB (9,976 words) - 01:52, 7 November 2024
  • Thumbnail for Killing form
    their fundamental matrix representation):[citation needed] The table shows that the Dynkin index for the adjoint representation is equal to twice the dual...
    12 KB (1,837 words) - 13:51, 30 October 2024
  • repeated derivatives of a product, can be written abstractly using the adjoint representation: x n y = ∑ k = 0 n ( n k ) ad x k ( y ) x n − k . {\displaystyle...
    14 KB (2,554 words) - 18:26, 5 September 2024
  • Thumbnail for Representation theory
    Representation theory is a branch of mathematics that studies abstract algebraic structures by representing their elements as linear transformations of...
    55 KB (7,173 words) - 23:54, 23 November 2024
  • Thumbnail for Special linear Lie algebra
    supersymmetry: its fundamental representation is the so-called spinor representation, while its adjoint representation generates the Lorentz group SO(3...
    11 KB (1,940 words) - 22:50, 21 October 2024
  • {\displaystyle l=1} ) is the 3 representation, the adjoint representation. It describes 3-d rotations, the standard representation of SO(3), so real numbers...
    19 KB (3,369 words) - 05:42, 25 June 2024
  • in the space of tensors. The adjoint representation of the simple Lie group of type E8 is a fundamental representation. The irreducible representations...
    3 KB (475 words) - 08:23, 28 August 2022
  • In quantum field theory, the Dirac adjoint defines the dual operation of a Dirac spinor. The Dirac adjoint is motivated by the need to form well-behaved...
    3 KB (465 words) - 23:01, 12 December 2022
  • character formula Representation of a Lie group Representation of a Lie algebra Adjoint representation of a Lie group Adjoint representation of a Lie algebra...
    4 KB (360 words) - 19:55, 10 January 2024
  • Thumbnail for Gluon
    the fundamental representation (triplet, denoted 3) of the color gauge group, SU(3). The gluons are vectors in the adjoint representation (octets, denoted...
    25 KB (2,632 words) - 07:59, 22 September 2024
  • Thumbnail for Pion
    triplet representation or the adjoint representation 3 of SU(2). By contrast, the up and down quarks transform according to the fundamental representation 2...
    27 KB (2,949 words) - 06:16, 18 November 2024
  • In mathematics, a self-adjoint operator on a complex vector space V with inner product ⟨ ⋅ , ⋅ ⟩ {\displaystyle \langle \cdot ,\cdot \rangle } is a linear...
    48 KB (8,122 words) - 08:02, 15 November 2024
  • The Riesz representation theorem, sometimes called the Riesz–Fréchet representation theorem after Frigyes Riesz and Maurice René Fréchet, establishes...
    75 KB (12,630 words) - 11:15, 13 July 2024
  • every representation of the Lie algebra of SO(3) does give rise to a representation of SU(2). An example of a Lie group representation is the adjoint representation...
    27 KB (4,458 words) - 00:15, 27 July 2024
  • Thumbnail for Lie group
    theory becomes an 11-dimensional theory when N becomes infinite. Adjoint representation of a Lie group Haar measure Homogeneous space List of Lie group...
    64 KB (9,481 words) - 15:53, 23 October 2024
  • Thumbnail for Cartan subalgebra
    addition g {\displaystyle {\mathfrak {g}}} is semisimple, then the adjoint representation presents g {\displaystyle {\mathfrak {g}}} as a linear Lie algebra...
    15 KB (2,050 words) - 09:31, 23 August 2024
  • reflecting that not every representation of the Lie algebra comes from a representation of the group.) For the adjoint representation a d : g → End ⁡ ( g )...
    22 KB (3,353 words) - 16:25, 31 October 2024
  • classical adjoint of a square matrix A, adj(A), is the transpose of its cofactor matrix. It is occasionally known as adjunct matrix, or "adjoint", though...
    29 KB (4,811 words) - 20:30, 15 November 2024
  • Thumbnail for E8 (mathematics)
    compact Lie groups in that its non-trivial representation of smallest dimension is the adjoint representation (of dimension 248) acting on the Lie algebra...
    46 KB (6,107 words) - 15:48, 1 October 2024