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11: 26.17 The Twelvefold Way
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►The twelvefold way gives the number of mappings from set of objects to set of objects (putting balls from set into boxes in set ).
…In this table is Pochhammer’s symbol, and and are defined in §§26.8(i) and 26.9(i).
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12: 4.28 Definitions and Periodicity
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►The zeros of and are and , respectively, .
13: 5.1 Special Notation
14: 22.2 Definitions
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►The nome
is given in terms of the modulus
by
…where , are defined in §19.2(ii).
…where and the theta functions are defined in §20.2(i).
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►Each is meromorphic in
for fixed , with simple poles and simple zeros, and each is meromorphic in
for fixed .
For , all functions are real for .
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15: 10.14 Inequalities; Monotonicity
16: 18.36 Miscellaneous Polynomials
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►The possibility of generalization to , for , is implicit in the identity Szegő (1975, page 102),
…implying that, for , the orthogonality of the with respect to the Laguerre weight function , .
This infinite set of polynomials of order , the smallest power of being
in each polynomial, is a complete orthogonal set with respect to this measure.
These results are proven in Everitt et al. (2004), via construction of a self-adjoint Sturm–Liouville operator which generates the polynomials, self-adjointness implying both orthogonality and completeness.
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►The satisfy a second order Sturm–Liouville eigenvalue problem of the type illustrated in Table 18.8.1, as satisfied by classical OP’s, but now with rational, rather than polynomial coefficients:
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17: 19.1 Special Notation
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►The functions (19.1.1) and (19.1.2) are used in Erdélyi et al. (1953b, Chapter 13), except that and are denoted by and , respectively, where .
►In Abramowitz and Stegun (1964, Chapter 17) the functions (19.1.1) and (19.1.2) are denoted, in order, by , , , , , and , where and is the (not related to ) in (19.1.1) and (19.1.2).
Also, frequently in this reference is replaced by and by , where .
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18: 19.4 Derivatives and Differential Equations
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►An analogous differential equation of third order for is given in Byrd and Friedman (1971, 118.03).
19: 4.2 Definitions
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►where is the excess of the number of times the path in (4.2.1) crosses the negative real axis in the positive sense over the number of times in the negative sense.
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►
4.2.23
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►
4.2.33
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