• mathematics, specifically in symplectic geometry, the momentum map (or, by false etymology, moment map) is a tool associated with a Hamiltonian action of...
    14 KB (2,215 words) - 22:18, 13 March 2025
  • quantities are the components of the momentum map J. If P is the phase space and G the symmetry group, the momentum map is a map J : P → g ∗ {\displaystyle \mathbf...
    9 KB (995 words) - 13:58, 11 January 2025
  • Thumbnail for Angular momentum
    Angular momentum (sometimes called moment of momentum or rotational momentum) is the rotational analog of linear momentum. It is an important physical...
    93 KB (13,485 words) - 10:15, 1 May 2025
  • More recently, photoemission maps, also known as tomograms (also known as momentum maps or k {\displaystyle k} -maps), have been shown to reveal information...
    22 KB (2,480 words) - 16:28, 1 March 2025
  • mechanics, the angular momentum operator is one of several related operators analogous to classical angular momentum. The angular momentum operator plays a...
    42 KB (6,691 words) - 18:42, 16 April 2025
  • Thumbnail for Stress–energy tensor
    stress–energy–momentum tensor or the energy–momentum tensor, is a tensor physical quantity that describes the density and flux of energy and momentum in spacetime...
    25 KB (4,040 words) - 17:23, 6 February 2025
  • on general scalar manifolds: Symplectic covariance gaugings and the momentum map". Journal of Geometry and Physics. 23 (2): 111–189. arXiv:hep-th/9605032...
    10 KB (1,218 words) - 16:22, 21 May 2025
  • Thumbnail for Proper velocity
    reference map frame (used to define simultaneity) and proper time τ elapsed on the clocks of the traveling object. It equals the object's momentum p divided...
    21 KB (2,600 words) - 16:59, 16 March 2025
  • Momentum is a British left-wing political organisation which has been described as a grassroots movement supportive of the Labour Party; since January...
    120 KB (10,811 words) - 11:55, 19 May 2025
  • Neo City – The Momentum (stylized as NCT 127 4th Tour "Neo City – The Momentum") is the ongoing fourth concert tour headlined by NCT 127, the Seoul-based...
    7 KB (378 words) - 11:41, 1 May 2025
  • In mathematics, and more specifically in linear algebra, a linear map (also called a linear mapping, linear transformation, vector space homomorphism...
    43 KB (7,001 words) - 09:24, 10 March 2025
  • Thumbnail for Jerrold E. Marsden
    chaos in specific classical differential equations; his work on the momentum map, from abstract foundations to detailed applications, has had great impact...
    12 KB (1,053 words) - 12:53, 5 March 2025
  • dual of g ) {\displaystyle {\mathfrak {g}})} a regular value of the momentum map Φ : M → g ∗ {\displaystyle \Phi :M\to {\mathfrak {g}}^{*}} . Let M 0...
    58 KB (9,464 words) - 04:38, 20 March 2025
  • ISBN 3-7643-3103-8 Gotay, M.J., Isenberg, J., Marsden, J.E., Montgomery R., Momentum Maps and Classical Fields Part I: Covariant Field Theory, November 2003...
    9 KB (1,272 words) - 16:04, 10 May 2025
  • progress through the map. Smooth, sweeping motions with the mouse are necessary to avoid slipping off the ramps and losing momentum. Maps are separated into...
    7 KB (850 words) - 17:43, 12 November 2024
  • Thumbnail for Angle-resolved photoemission spectroscopy
    of momentum and energy channels are only capable of taking angular maps along one direction. To take maps over energy and two-dimensional momentum space...
    47 KB (6,046 words) - 07:25, 16 July 2024
  • Thumbnail for Spacetime
    the four-momentum (also called 4-momentum) is also called the energy–momentum 4-vector. Using an uppercase P to represent the four-momentum and a lowercase...
    132 KB (19,765 words) - 15:48, 20 May 2025
  • Thumbnail for Tadashi Tokieda
    S2CID 14039767. Montaldi, James; Tokieda, Tadashi (2003). "Openness of momentum maps and persistence of extremal relative equilibria". Topology. 42 (4):...
    10 KB (885 words) - 11:22, 7 April 2025
  • {O}}_{\mu },\omega )} is a Hamiltonian G {\displaystyle G} -action with momentum map given by the inclusion O μ ↪ g ∗ {\displaystyle {\mathcal {O}}_{\mu }\hookrightarrow...
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  • _{n+1}-\theta _{n}} for the standard map, the equations reordered to emphasize similarity. In essence, the circle map forces the momentum to a constant. Ushiki's theorem...
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  • quantum angular momentum efficiently, given that map’s ease of organizing the (symmetric) representations of su(2) in Fock space. The map utilizes several...
    6 KB (982 words) - 05:15, 16 May 2025
  • Thumbnail for Arnold's cat map
    In mathematics, Arnold's cat map is a chaotic map from the torus into itself, named after Vladimir Arnold, who demonstrated its effects in the 1960s using...
    12 KB (1,627 words) - 13:01, 20 May 2025
  • Thumbnail for Instagram
    privacy-friendly services, and some services experienced substantial gains in momentum and user growth following the news. On December 20, Instagram announced...
    297 KB (26,429 words) - 18:40, 22 May 2025
  • Thumbnail for Moment of inertia
    to rotate around an axis, torque must be applied to change its angular momentum. The amount of torque needed to cause any given angular acceleration (the...
    91 KB (17,179 words) - 15:28, 14 May 2025
  • Concurrent Forces : Laboratory / Conservation of Angular Momentum / Dynamics of Rotation / Energy and Momentum / Energy and Power / Equilibrium of Rigid Bodies...
    336 KB (283 words) - 01:46, 12 March 2025
  • ISBN 978-981-02-0494-5. Neeb, Karl-Hermann (2015-10-12). "Kaehler Geometry, Momentum Maps and Convex Sets". arXiv:1510.03289v1 [math.SG]. Hernández Cifre, María...
    39 KB (2,993 words) - 10:39, 18 April 2025
  • Thumbnail for Vietnam War
    field-test its combined arms force. The first few days were a success, but momentum slowed after fierce resistance. Thiệu had halted the general advance, leaving...
    281 KB (29,333 words) - 20:13, 22 May 2025
  • off Van uses his shield to block some missile attacks while building up momentum. It unlocks a new finishing move for his sword, the Spiral Slash. After...
    256 KB (668 words) - 22:09, 18 November 2024
  • pacing problems. Alex Avard of GamesRadar+ felt that the narrative lost its momentum during its need to finalize every story thread. USgamer's Kat Bailey found...
    187 KB (14,535 words) - 17:01, 22 May 2025
  • Thumbnail for Field (physics)
    field is a weather map, with the surface temperature described by assigning a number to each point on the map. A surface wind map, assigning an arrow...
    36 KB (4,401 words) - 21:49, 15 April 2025