mathematical definitions
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11: 14.30 Spherical and Spheroidal Harmonics
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§14.30(i) Definitions
… ►Sometimes is denoted by ; also the definition of can differ from (14.30.1), for example, by inclusion of a factor . … ►Most mathematical properties of can be derived directly from (14.30.1) and the properties of the Ferrers function of the first kind given earlier in this chapter. … ►
14.30.4
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12: 23.20 Mathematical Applications
13: 1.18 Linear Second Order Differential Operators and Eigenfunction Expansions
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►A more precise mathematical discussion then follows in §1.18(ix).
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§1.18(ix) Mathematical Background
… ► … ► ►Self-adjoint extensions of a symmetric Operator
…14: 3.11 Approximation Techniques
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§3.11(vi) Splines
… ►A special applications area of Bézier curves is mathematical typography and the design of type fonts. …15: 31.17 Physical Applications
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►More applications—including those of generalized spheroidal wave functions and confluent Heun functions in mathematical physics, astrophysics, and the two-center problem in molecular quantum mechanics—can be found in Leaver (1986) and Slavyanov and Lay (2000, Chapter 4).
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16: 18.39 Applications in the Physical Sciences
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18.39.22
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►In what follows the radial and spherical radial eigenfunctions corresponding to (18.39.27) are found in four different notations, with identical eigenvalues, all of which appear in the current and past mathematical and theoretical physics and chemistry literatures, regarding this central problem.
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►Mathematical underpinnings appear in Ismail (2009, §5.8), and Ismail and Koelink (2011).
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