• In mathematics, a one-parameter group or one-parameter subgroup usually means a continuous group homomorphism φ : R → G {\displaystyle \varphi :\mathbb...
    7 KB (1,024 words) - 00:37, 14 April 2025
  • mathematics, Stone's theorem on one-parameter unitary groups is a basic theorem of functional analysis that establishes a one-to-one correspondence between self-adjoint...
    10 KB (1,607 words) - 16:33, 14 April 2024
  • action of T. In Lie theory, a one-dimensional subspace of a Lie algebra is mapped to a one-parameter group under the Lie group–Lie algebra correspondence...
    3 KB (398 words) - 23:21, 25 December 2024
  • The Immirzi parameter (also known as the Barbero–Immirzi parameter) is a numerical coefficient appearing in loop quantum gravity (LQG), a nonperturbative...
    12 KB (1,524 words) - 18:52, 24 July 2022
  • Thumbnail for Lorentz group
    recognize the one-parameter matrix group of rotations exp(iλJz) about the z-axis. Differentiating with respect to the group parameter λ and setting it...
    66 KB (9,875 words) - 09:40, 29 May 2025
  • Thumbnail for Circle group
    maps on the circle. This gives the circle group the structure of a one-parameter group, an instance of a Lie group. In fact, up to isomorphism, it is the...
    13 KB (2,078 words) - 16:41, 10 January 2025
  • a scale parameter is a special kind of numerical parameter of a parametric family of probability distributions. The larger the scale parameter, the more...
    7 KB (1,015 words) - 22:21, 17 March 2025
  • algebra Affine Lie algebra Loop algebra Graded Lie algebra One-parameter group, One-parameter subgroup Matrix exponential Infinitesimal transformation Lie's...
    4 KB (360 words) - 19:55, 10 January 2024
  • and densely defined. Definition (one-parameter group). Let A {\displaystyle A} be a C*-algebra. A one-parameter group on A {\displaystyle A} is a family...
    10 KB (1,824 words) - 02:39, 18 June 2025
  • That is, Di in a sense generates the one-parameter group of translations parallel to the xi-axis. These groups commute with each other, and therefore...
    34 KB (5,372 words) - 03:10, 20 April 2025
  • discovered that the coupling parameter g(μ) at the energy scale μ is effectively given by the (one-dimensional translation) group equation g ( μ ) = G − 1...
    50 KB (7,080 words) - 02:22, 8 June 2025
  • words, a parameter word is a string over a given alphabet having some number of wildcard characters. The set of strings matching a given parameter word is...
    12 KB (1,743 words) - 15:46, 27 April 2022
  • Thumbnail for Norse group
    06 and 0.63. Unlike the Inuit and Gallic groups, the orbital parameters are widely dispersed and the group is likely to be composed from a number of...
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  • literature of location parameter estimation, the probability distributions with such parameter are found to be formally defined in one of the following equivalent...
    6 KB (1,037 words) - 06:23, 11 June 2025
  • Thumbnail for Hairy ball theorem
    By integrating a vector field we get (at least a small part of) a one-parameter group of diffeomorphisms on the sphere; and all of the mappings in it are...
    14 KB (1,809 words) - 15:01, 7 June 2025
  • the one-parameter group of transformations generated by A. Thus, for example, if A is a skew-Hermitian matrix, then U(t) = exp(tA) is a one-parameter group...
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  • field XH, which exponentiates to a one-parameter group of Hamiltonian diffeomorphisms. It follows that the group of symplectomorphisms is always very...
    9 KB (1,097 words) - 14:21, 14 February 2025
  • relationship between thermal radiation and spacetimes that admit a one-parameter group of isometries possessing a bifurcate Killing horizon, which consists...
    6 KB (859 words) - 20:05, 21 November 2024
  • mathematical analysis, a C0-semigroup, also known as a strongly continuous one-parameter semigroup, is a generalization of the exponential function. Just as...
    19 KB (2,675 words) - 22:24, 4 June 2025
  • correct absolute structure. One of the more powerful and simple approaches is using the Flack parameter, because this single parameter clearly indicates the...
    3 KB (412 words) - 09:31, 13 March 2024
  • parameter rapidity, which specifies a change in frame of reference. This rapidity parameter corresponds to the real variable in a one-parameter group...
    22 KB (2,945 words) - 03:51, 4 June 2025
  • quantum mechanical system, its time evolution is described by a one-parameter group of automorphisms {αt}t of Q. This can be narrowed to unitary transformations:...
    20 KB (2,831 words) - 21:20, 28 May 2024
  • Thumbnail for Two-port network
    models that are used are referred to as z-parameters, y-parameters, h-parameters, g-parameters, and ABCD-parameters, each described individually below. These...
    47 KB (5,250 words) - 03:26, 6 May 2025
  • Continuous symmetry (category Group actions)
    {\displaystyle h\in H} . The simplest motions follow a one-parameter subgroup of a Lie group, such as the Euclidean group of three-dimensional space. For example translation...
    3 KB (317 words) - 04:08, 14 April 2025
  • so that γμ– is independent of μ. The complex Butcher group comes with a natural one-parameter group λw of automorphisms, dual to that on H λ w ( t ) = w...
    25 KB (4,050 words) - 09:27, 6 February 2025
  • Hansen solubility parameters were developed by Charles M. Hansen in his Ph.D thesis in 1967 as a way of predicting if one material will dissolve in another...
    9 KB (1,292 words) - 19:20, 12 February 2025
  • The four best third-placed teams from the six groups advanced to the knockout stage along with the six group winners and six runners-up. First match(es)...
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  • Thumbnail for Fractional part
    reciprocal of its fractional part, and so on. Circle group Equidistributed sequence One-parameter group Pisot–Vijayaraghavan number Poussin proof Significand...
    6 KB (660 words) - 12:54, 18 November 2024
  • Specifically, let X be a vector field on M. Then X generates a one-parameter group of local diffeomorphisms FlXt, the flow along X. The differential...
    1 KB (151 words) - 23:55, 16 September 2024
  • team would have remained at seven, but each team would have played one fewer group match than before. The tournament still would have been completed within...
    146 KB (8,727 words) - 02:54, 17 June 2025