• In mathematics, a zonal spherical function or often just spherical function is a function on a locally compact group G with compact subgroup K (often...
    49 KB (6,698 words) - 22:22, 23 May 2024
  • Thumbnail for Spherical harmonics
    In mathematics and physical science, spherical harmonics are special functions defined on the surface of a sphere. They are often employed in solving...
    75 KB (12,437 words) - 10:36, 1 May 2025
  • particular fixed axis. The zonal spherical functions are a broad extension of the notion of zonal spherical harmonics to allow for a more general symmetry...
    5 KB (866 words) - 06:35, 5 March 2025
  • Spherical function can refer to Spherical harmonics Zonal spherical function This disambiguation page lists mathematics articles associated with the same...
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  • Thumbnail for Roger Godement
    investigations in the USSR and Japan. Work on the abstract theory of spherical functions published in 1952 proved very influential in subsequent work, particularly...
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  • theory of differential equations. It is the special case for zonal spherical functions of the general Plancherel theorem for semisimple Lie groups, also...
    67 KB (11,769 words) - 12:17, 18 April 2025
  • Thumbnail for Legendre function
    space of S L ( 2 , R ) {\displaystyle SL(2,\mathbb {R} )} (see Zonal spherical function). Actually the Fourier transform on L 1 ( G / / K ) {\displaystyle...
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  • asymptotic behavior of a zonal spherical function of a Lie group, and Harish-Chandra (1970) introduced a more general c-function called Harish-Chandra's...
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  • his doctoral student Alan Graham Constantine. They appear as zonal spherical functions of the Gelfand pairs ( S 2 n , H n ) {\displaystyle (S_{2n},H_{n})}...
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  • theory of SL2(R) Representations of the Lorentz group Stone–von Neumann theorem Unitary representation of a star Lie superalgebra Zonal spherical function...
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  • Thumbnail for Generalized hypergeometric function
    arrangement of hyperplanes). Special hypergeometric functions occur as zonal spherical functions on Riemannian symmetric spaces and semi-simple Lie groups...
    38 KB (7,861 words) - 21:16, 14 April 2025
  • Thumbnail for Laplace's equation
    Laplace's equation (category Harmonic functions)
    consequence of this expression for the Green's function is the Poisson integral formula. Let ρ, θ, and φ be spherical coordinates for the source point P. Here...
    33 KB (5,075 words) - 15:19, 13 April 2025
  • Thumbnail for Gustav Ferdinand Mehler
    Mehler–Heine formula; and Mehler functions (conical functions), in connection with his utilization of Zonal spherical functions in Electromagnetic theory. Krause...
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  • body: Functions of the form ϕ = R ( r ) Θ ( θ ) Φ ( φ ) {\displaystyle \phi =R(r)\,\Theta (\theta )\,\Phi (\varphi )} where (r, θ, φ) are the spherical coordinates...
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  • Langlands program Kirillov orbit theory Discrete series representation Zonal spherical function "Noncommutative harmonic analysis: in honor of Jacques Carmona"...
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  • is the Rossby parameter, k is the zonal wavenumber, and ℓ is the meridional wavenumber. It is noted that the zonal phase speed of Rossby waves is always...
    24 KB (2,792 words) - 02:12, 27 March 2025
  • the Schur functions in the case of root systems of type A. If q = 0 the Macdonald polynomials become the (rescaled) zonal spherical functions for a semisimple...
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  • Schur functions, the Hall–Littlewood symmetric functions, the Jack symmetric functions, the zonal symmetric functions, the zonal spherical functions, and...
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  • Thumbnail for Figure of the Earth
    credited with the discovery that the Earth had a significant third degree zonal spherical harmonic in its gravitational field using Vanguard 1 satellite data...
    25 KB (2,946 words) - 16:54, 2 March 2025
  • Harmonic function Spherical harmonics Zonal spherical harmonics Multilinear polynomial Walsh, J. L. (1927). "On the Expansion of Harmonic Functions in Terms...
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  • \cdot \mathbf {y} )} are spherical harmonics, when regarded as a function of x only. They are, in fact, exactly the zonal spherical harmonics, up to a normalizing...
    9 KB (1,829 words) - 03:30, 21 March 2025
  • MR 1913438 Letzter, G. (2003). "Quantum Symmetric Pairs and Their Zonal Spherical Functions". Transformation Groups. 8 (3): 261–291. arXiv:math/0204103. doi:10...
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  • external waves, and the Hough functions degenerate to spherical functions; e.g., mode (1, −2) develops to the spherical function P 1 1 (θ), mode (2, 2) becomes...
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  • Thumbnail for Venera
    of the Venera 4 to 7 probes were the first evidence of the existence of zonal winds with high speeds of up to 100 metres per second (330 ft/s, 362 km/h...
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  • Thumbnail for Orbit
    departures of it from spherical symmetry. From the point of view of satellite dynamics, of particular relevance are the so-called even zonal harmonic coefficients...
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  • Thumbnail for Gravity of Mars
    Over the years models consisting of an increasing but limited number of spherical harmonics have been produced. Maps produced have included free-air gravity...
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  • Thumbnail for Tessar
    cemented in the posterior element had 3 functions: to reduce the spherical aberration; reduce the overcorrected spherical-oblique aberration; and reduce the...
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  • Thumbnail for Thermosphere
    wave modes degenerate to the spherical functions Pnm with m a meridional wave number and n the zonal wave number (m = 0: zonal mean flow; m = 1: diurnal...
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  • the Earth, including the antipodes, zonal maps showing the Ptolemaic climates derived from the concept of a spherical Earth and a diagram showing the Earth...
    73 KB (8,595 words) - 22:41, 27 April 2025
  • galaxy Zakharov system Zero-point energy ZETA (fusion reactor) Zonal and poloidal Zonal flow (plasma) Z Pulsed Power Facility G.S. Miller, E.E. Salpeter...
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