• In the mathematical field of representation theory, a reductive dual pair is a pair of subgroups (G, G′) of the isometry group Sp(W) of a symplectic vector...
    8 KB (1,179 words) - 15:39, 16 February 2024
  • Fix a reductive dual pair ( G , H ) {\displaystyle (G,H)} in S p ( W ) {\displaystyle Sp(W)} . There is a classification of reductive dual pairs. F {\displaystyle...
    9 KB (1,027 words) - 21:55, 27 February 2024
  • In mathematics, a dual system, dual pair or a duality over a field K {\displaystyle \mathbb {K} } is a triple ( X , Y , b ) {\displaystyle (X,Y,b)} consisting...
    66 KB (12,277 words) - 05:00, 25 June 2025
  • Thumbnail for Roger Evans Howe
    contributions to representation theory, in particular for the notion of a reductive dual pair and the Howe correspondence, and his contributions to mathematics...
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  • Heisenberg group Oscillator representation Metaplectic structure Reductive dual pair Spin group, another double cover Symplectic group Theta function...
    10 KB (1,407 words) - 22:32, 20 February 2025
  • Thumbnail for Reductive group
    perfect field is reductive if it has a representation that has a finite kernel and is a direct sum of irreducible representations. Reductive groups include...
    56 KB (8,018 words) - 09:30, 15 April 2025
  • representation theory of the isometry group and in the theory of reductive dual pairs. Let (V, q), (V1, q1), (V2, q2) be three quadratic spaces over a...
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  • classification of such Gelfand pairs, see. Classical examples of such Gelfand pairs are (G, K), where G is a reductive Lie group and K is a maximal compact...
    31 KB (4,028 words) - 20:21, 18 May 2025
  • Dual_EC_DRBG (Dual Elliptic Curve Deterministic Random Bit Generator) is an algorithm that was presented as a cryptographically secure pseudorandom number...
    67 KB (6,730 words) - 18:56, 3 April 2025
  • In mathematics, the Alvis–Curtis duality is a duality operation on the characters of a reductive group over a finite field, introduced by Charles W. Curtis (1980)...
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  • Thumbnail for Dual-mass flywheel
    A dual-mass flywheel (DMF or DMFW) is a rotating mechanical device that is used to provide continuous energy (rotational energy) in systems where the energy...
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  • Hebrew, the dual exists only for words naming time spans (day, week, etc.), a few measure words, and for words that naturally come in pairs and are not...
    65 KB (6,004 words) - 17:04, 22 June 2025
  • Frobenius element on it. The dual group G* of a reductive algebraic group G defined over a finite field is the one with dual root datum (and adjoint Frobenius...
    28 KB (4,066 words) - 01:55, 18 January 2025
  • to dual pairs Modern interest in these identities has been much stimulated by Roger Howe who considered them in his theory of reductive dual pairs (also...
    36 KB (6,222 words) - 15:10, 27 May 2025
  • Dualism or dualistic cosmology is the moral or belief that two fundamental concepts exist, which often oppose each other. It is an umbrella term that...
    34 KB (4,284 words) - 04:49, 11 May 2025
  • Thumbnail for Yang–Mills equations
    of as a duality between instantons on R 4 {\displaystyle \mathbb {R} ^{4}} and dual algebraic data over a single point. Symmetry reductions of the ASD...
    25 KB (3,768 words) - 06:36, 16 June 2025
  • A dual-listed company or DLC is a corporate structure in which two corporations function as a single operating business through a legal equalization agreement...
    15 KB (1,947 words) - 05:52, 26 May 2025
  • connected reductive group whose root datum is dual to that of G {\displaystyle G} . Michel Demazure, Exp. XXI in SGA 3 vol 3 T. A. Springer, Reductive groups...
    3 KB (543 words) - 14:42, 26 August 2020
  • cardinality of the finite field. George Lusztig remarked in 1984 (Characters of reductive groups over a finite field, xi, footnote): I think it would be most appropriate...
    15 KB (2,097 words) - 12:45, 12 June 2025
  • stage may have been an [r] with lip rounding. As a result of this reduction, pairs of words like rap and wrap, rite and write, etc. are homophones in...
    54 KB (5,510 words) - 17:48, 25 May 2025
  • Thumbnail for Dual-clutch transmission
    A dual-clutch transmission (DCT) (sometimes referred to as a twin-clutch transmission) is a type of multi-speed vehicle transmission system, that uses...
    31 KB (2,767 words) - 03:21, 17 June 2025
  • In theoretical physics, S-duality (short for strong–weak duality, or Sen duality) is an equivalence of two physical theories, which may be either quantum...
    20 KB (2,506 words) - 04:21, 20 June 2025
  • particular linear representation of a reductive algebraic group over a finite field or local field, or a group with a BN-pair. It is analogous to the 1-dimensional...
    8 KB (901 words) - 21:20, 27 January 2025
  • integrable system is an integrable system depending on the choice of a complex reductive group and a compact Riemann surface, introduced by Nigel Hitchin in 1987...
    8 KB (1,117 words) - 05:19, 26 May 2025
  • Thumbnail for Linear algebraic group
    field is called reductive if every smooth connected unipotent normal subgroup of G is trivial. (Some authors do not require reductive groups to be connected...
    41 KB (6,000 words) - 12:59, 4 October 2024
  • subalgebra k {\displaystyle {\mathfrak {k}}} reductive in g {\displaystyle {\mathfrak {g}}} . A reductive pair ( g , k ) {\displaystyle ({\mathfrak {g}}...
    3 KB (437 words) - 17:59, 13 July 2021
  • 2 January 2019 (2019-01-02) On 13 April 2010, Cathay Pacific Flight 780 suffers a dual engine failure while nearing Hong Kong International Airport at the end of...
    244 KB (806 words) - 23:22, 23 June 2025
  • A} is noetherian, a rigid dualizing complex over A {\displaystyle A} relative to k {\displaystyle k} is by definition a pair ( R , ρ ) {\displaystyle (R...
    12 KB (1,897 words) - 23:12, 1 October 2024
  • introduced by Jacques Tits as a means to understand the structure of isotropic reductive linear algebraic groups over arbitrary fields. The more specialized theory...
    26 KB (3,216 words) - 07:56, 13 May 2025
  • vehicle. These contain two different energy recovery systems. An example of dual hybrids are Formula One cars (See Formula One engines#2014–2021 and Formula...
    67 KB (7,749 words) - 06:15, 25 June 2025