Hilbert%20space
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11—20 of 144 matching pages
11: Bibliography F
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Sur certaines sommes des intégral-cosinus.
Bull. Soc. Math. Phys. Serbie 12, pp. 13–20 (French).
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Painlevé Transcendents: The Riemann-Hilbert Approach.
Mathematical Surveys and Monographs, Vol. 128, American Mathematical Society, Providence, RI.
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On weighted polynomial approximation on the whole real axis.
Acta Math. Acad. Sci. Hungar. 20, pp. 223–225.
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The Plasma Dispersion Function: The Hilbert Transform of the Gaussian.
Academic Press, London-New York.
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12: 1.14 Integral Transforms
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§1.14(v) Hilbert Transform
►The Hilbert transform of a real-valued function is defined in the following equivalent ways: … ►Inversion
… ►Inequalities
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…13: 20 Theta Functions
Chapter 20 Theta Functions
…14: 3.4 Differentiation
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►For formulas for derivatives with equally-spaced real nodes and based on Sinc approximations (§3.3(vi)), see Stenger (1993, §3.5).
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§3.4(i) Equally-Spaced Nodes
… ►15: 18.39 Applications in the Physical Sciences
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►However, in the remainder of this section will will assume that the spectrum is discrete, and that the eigenfunctions of form a discrete, normed, and complete basis for a Hilbert space.
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►Derivations of (18.39.42) appear in Bethe and Salpeter (1957, pp. 12–20), and Pauling and Wilson (1985, Chapter V and Appendix VII), where the derivations are based on (18.39.36), and is also the notation of Piela (2014, §4.7), typifying the common use of the associated Coulomb–Laguerre polynomials in theoretical quantum chemistry.
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►This operator may be discretized by projecting it onto the sub-space defined by the first members, , of the complete basis of (18.39.44), the eigenfunctions, may be expressed as
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16: Bibliography W
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Uniform asymptotics of the Stieltjes-Wigert polynomials via the Riemann-Hilbert approach.
J. Math. Pures Appl. (9) 85 (5), pp. 698–718.
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The Nahm equations, finite-gap potentials and Lamé functions.
J. Phys. A 20 (10), pp. 2679–2683.
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17: 36.4 Bifurcation Sets
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►This is the codimension-one surface in
space where critical points coalesce, satisfying (36.4.1) and
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►This is the codimension-one surface in
space where critical points coalesce, satisfying (36.4.2) and
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18: 36.5 Stokes Sets
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►Stokes sets are surfaces (codimension one) in
space, across which or acquires an exponentially-small asymptotic contribution (in ), associated with a complex critical point of or .
…where denotes a real critical point (36.4.1) or (36.4.2), and denotes a critical point with complex or , connected with by a steepest-descent path (that is, a path where ) in complex or
space.
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36.5.4
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36.5.7
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19: 18.38 Mathematical Applications
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Riemann–Hilbert Problems
…20: 14.30 Spherical and Spheroidal Harmonics
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14.30.8_5
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