relation to line broadening function
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21: 25.11 Hurwitz Zeta Function
§25.11 Hurwitz Zeta Function
… ►The Riemann zeta function is a special case: … ►For other series expansions similar to (25.11.10) see Coffey (2008). … ►When , (25.11.35) reduces to (25.2.3). … ►uniformly with respect to bounded nonnegative values of . …22: 1.10 Functions of a Complex Variable
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►Analytic continuation is a powerful aid in establishing transformations or functional equations for complex variables, because it enables the problem to be reduced to: (a) deriving the transformation (or functional equation) with real variables; followed by (b) finding the domain on which the transformed function is analytic.
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►then the product converges uniformly to an analytic function
in , and only when at least one of the factors is zero in .
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§1.10(x) Infinite Partial Fractions
… ►§1.10(xi) Generating Functions
… ►The recurrence relation for in §18.9(i) follows from , and the contour integral representation for in §18.10(iii) is just (1.10.27).23: 23.2 Definitions and Periodic Properties
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►
§23.2(i) Lattices
… ►§23.2(ii) Weierstrass Elliptic Functions
… ►When the functions are related by … ►When it is important to display the lattice with the functions they are denoted by , , and , respectively. …24: 4.23 Inverse Trigonometric Functions
§4.23 Inverse Trigonometric Functions
… ►The principal values (or principal branches) of the inverse sine, cosine, and tangent are obtained by introducing cuts in the -plane as indicated in Figures 4.23.1(i) and 4.23.1(ii), and requiring the integration paths in (4.23.1)–(4.23.3) not to cross these cuts. … ►the upper/lower signs corresponding to the upper/lower sides. … ►the upper/lower sign corresponding to the right/left side. … ►Care needs to be taken on the cuts, for example, if then . …25: 4.37 Inverse Hyperbolic Functions
§4.37 Inverse Hyperbolic Functions
… ►the upper/lower signs corresponding to the right/left sides. … ►the upper/lower sign corresponding to the upper/lower side. … ►the upper/lower sign corresponding to the upper/lower side. … ►Table 4.30.1 can also be used to find interrelations between inverse hyperbolic functions. …26: 17.1 Special Notation
§17.1 Special Notation
►(For other notation see Notation for the Special Functions.) … ►The main functions treated in this chapter are the basic hypergeometric (or -hypergeometric) function , the bilateral basic hypergeometric (or bilateral -hypergeometric) function , and the -analogs of the Appell functions , , , and . ►Another function notation used is the “idem” function: …27: 16.2 Definition and Analytic Properties
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§16.2(i) Generalized Hypergeometric Series
… ►If none of the is a nonpositive integer, then the radius of convergence of the series (16.2.1) is , and outside the open disk the generalized hypergeometric function is defined by analytic continuation with respect to . The branch obtained by introducing a cut from to on the real axis, that is, the branch in the sector , is the principal branch (or principal value) of ; compare §4.2(i). … ►can be used to interchange and . … ►§16.2(v) Behavior with Respect to Parameters
…28: 30.1 Special Notation
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►(For other notation see Notation for the Special Functions.)
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►These notations are similar to those used in Arscott (1964b) and Erdélyi et al. (1955).
Meixner and Schäfke (1954) use , , , for , , , , respectively.
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Other Notations
…29: 14.1 Special Notation
§14.1 Special Notation
►(For other notation see Notation for the Special Functions.) … ►Multivalued functions take their principal values (§4.2(i)) unless indicated otherwise. ►The main functions treated in this chapter are the Legendre functions , , , ; Ferrers functions , (also known as the Legendre functions on the cut); associated Legendre functions , , ; conical functions , , , , (also known as Mehler functions). …30: 16.17 Definition
§16.17 Definition
… ►goes from to . The integral converges if and .
is a loop that starts at infinity on a line parallel to the positive real axis, encircles the poles of the once in the negative sense and returns to infinity on another line parallel to the positive real axis. The integral converges for all () if , and for if .
is a loop that starts at infinity on a line parallel to the negative real axis, encircles the poles of the once in the positive sense and returns to infinity on another line parallel to the negative real axis. The integral converges for all if , and for if .