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A Table of Generating Functions

Robert Reynolds

arXiv:2308.04434v6math.GM

TL;DR

The paper applies Lagrange-series methods to derive generating-function identities involving special functions. It reports new special-function forms for the arcsin(x) function, while noting that one cited source equation is in error.

  • Problem

    The paper addresses deriving generating-function identities involving special functions using Lagrange-series methods.

    Source: §1.1 · p. 1
  • Method

    The compendium applies Theorem 1.1 and a cited method to derive propositions and examples.

    Source: §1.1 · p. 1
  • Results

    The section on arcsin(x) reports new special-function forms for this trigonometric function.

    Source: §13 · p. 102
  • Takeaways & Limitations

    The paper records derived generating-function formulas and examples in a table of results.

    Source: §13 · p. 102, §14 · p. 103

    Example 14.12 identifies the cited equation (4.522.8) in as being in error.

    Source: §14 · p. 105

Abstract

from arXiv · show

This is a compendium of generating functions involving single, double sums and definite integrals. These generating functions also involve special functions in both the summand function and closed form solution.

1. Preliminaries

The section introduces Lagrange-series methods used to derive propositions and examples, then presents generating-function identities involving gamma, hypergeometric, and related special functions.

1.1. Lagrange Series.

  • The compendium applies Theorem 1.1 and a cited method to derive propositions and corresponding examples.The stated method uses Theorem 1.1 and the method in section (7).Source: §1.1 · p. 1

2. Introduction

  • The introduction describes generating functions as tools for encoding sequences and addressing recurrence, partition, asymptotic, and probability questions.It also notes their use in coefficient-based counting and in encoding distributional information.Source: §2 · pp. 2–3

3.1. Entry 1.

  • The supplied passages give explicit f(x) and φ(x) inputs in three cases, alongside fragments containing gamma factors, an Appell F1 expression, and a confluent hypergeometric 1F1 expression.Source: §3.1 · p. 3, §3.2 · p. 4, §3.4 · p. 5

3.8. Entry 9.

3.12. Entry 13.

  • Entries 12–15 present forms involving gamma factors, 2F1, and 3F2 functions.The supplied formula fragments include 3F2 in Entry 13 and 2F1 in Entry 15.Source: §3.12 · p. 9, §3.14 · p. 10

3.20. Entry 21.

3.26. Entry 27.

  • Entry 27 states a proposition with a 2F1 expression, while the generalized Abel section includes a Gould-form example and a cited contour-integral method.The Gould form is compared with a similar form recorded in.Source: §3.26 · p. 14, §3.27 · p. 14

3.28. Entry 29.

  • Entry 29 gives a 2F1 expression and an Appell F1 form, with f and φ specified for the example.The example is identified as a generating-function form in the supplied passages.Source: §3.28 · p. 15

4. Extended generating functions of Prudnikov

This section presents extended generating-function examples drawn from cited Prudnikov equations and Brychkov-series entries.

4.3. Prudnikov equation (5.12.28).

  • The section applies the method of section (7) in to equations in [14], and its examples include Example 4.7 from and Example 4.22, a Stirling-number case, from.Source: §4 · p. 16, §4.3 · pp. 17, 20

5. Extended Brychkov series.

  • The Brychkov portion collects examples attributed to cited entries in, [13],,, and other listed sources.The supplied examples include an extension of Laplace’s first integral form and examples labeled Bell number and spherical Bessel function.Source: §5 · pp. 21, 23, 25, 30, 32

6. Definite integrals involving logarithm, quotient Pochammer and q-Pochammer functions

The supplied passages identify this section’s examples as involving logarithm and Pochhammer functions, with stated restrictions on parameter real parts.

6. Definite integrals involving logarithm, quotient Pochammer and q-Pochammer functions

  • The listed conditions require Re(a) < 0 and Re(m) < 0 for two examples, and Re(k) < 0 and Re(a) < 0 for another.Source: §6 · pp. 38–39
  • Example 6.25 is identified as involving the logarithm of the q-Pochhammer symbol.Source: §6 · p. 38
  • One example is attributed to equation (2.2.4.8) in.Source: §6 · p. 39

7. The Polylogarithm function

This section develops a table connecting the Hurwitz–Lerch zeta function with definite integrals of low-order polylogarithms, using cited equations and methods.

7. The Polylogarithm function

  • The section develops a table involving the Hurwitz–Lerch zeta function and definite integrals of low-order polylogarithms.Source: §7 · p. 39
  • The described derivation uses the binomial coefficient (n)j.Source: §7 · p. 39
  • The derivation also uses equation (2.5.2.1) in and a method in.Source: §7 · p. 39

8. Logarithmic function generating functions

The section collects logarithmic-function generating-function examples, several identified as consequences of equations in cited references.

8. Logarithmic function generating functions

  • One result fragment contains the factors (1 + 2p)! and (k −q)!.The fragment does not identify the full generating function or its closed form.Source: §8 · p. 42
  • Examples 8.5–8.10 are attributed to equations in references –.Examples 8.5 and 8.6 cite and; the remaining entries cite or.Source: §8 · pp. 42–43
  • The displayed conditions include Re(m) > 1, Re(b) > 1, and Re(σ) > −1/2.The same passage also gives a condition on Re(a), rendered as Re(a) > e3π.Source: §8 · p. 43

9. A few definite integrals

The section presents definite-integral examples with surviving logarithmic expression fragments and a cited identity from.

9. A few definite integrals

  • Example 9.8 is attributed to Eq. (2.6.15.13) in.The accompanying result fragments include expressions involving log(ax) and log(log(ax)).Source: §9 · pp. 43–45
  • Other displayed fragments repeat the term + 2i log(a) + i log.The log term's argument is absent from these fragments.Source: §9 · pp. 45–46
  • Several result fragments contain terms involving log(a), log(b2+c2), and log(−2(π + i log(a) + i log(b))).These fragments do not preserve enough surrounding notation to identify the integral or full result.Source: §9 · pp. 44, 47

10. Extended Abel theorem forms

The section collects extended Abel-theorem forms, with result fragments involving factorials, logarithms, and generalized hypergeometric functions.

10. Extended Abel theorem forms

  • One accompanying condition states that p is any positive integer.Other displayed conditions include Re(a) < 0 and Re(m) > 0, and a separate convergence condition on Re(a).Source: §10 · pp. 50, 55, 59
  • The cited passages contain two 1F1 expressions and one 2F1 expression, with displayed parameters involving n, a, b, c, d, m, p, and z.Source: §10 · pp. 52–54
  • Examples 10.22–10.25 draw on equations (1.9.54), (1.9.58), (1.9.54) and (1.9.55), and (1.14.5), respectively, in; Example 10.27 draws on Eq. (23) in.Source: §10 · pp. 54–55
  • The section also includes result fragments with logarithmic factors and a 3F3 expression.One fragment contains 3F3(1, 1, 1; 2, 2, 2; m log(a)) log(a).Source: §10 · p. 75

11. Application of an Adams theorem

The section applies a theorem from [31] to formulae and assembles further examples, including one identified with the Bell number Bn.

11. Application of an Adams theorem

  • The section says it applies Eq. (6.706) in to the formulae.This is the stated approach for the section's applications.Source: §11 · p. 77
  • Example 11.10 is identified as the Bell number Bn.The passage names the quantity but does not preserve its full formula.Source: §11 · p. 79
  • Examples 11.13, 11.27, 11.39, and 11.40 are drawn from equations in [13],,, and, respectively; their passages mention complete elliptic-integral and modified-Bessel-function material.Source: §11 · pp. 79, 82, 84
  • Displayed result fragments include 1F1 and 2F1 expressions alongside Gamma factors.The fragments include Γ(1 + d + cn) 1F1(−n; 1 + d + (−1 + c)n; a + bn) and Γ(b + m + n) 2F1(−n, a(m + n); b + m; z).Source: §11 · p. 101

12. A short note on a definite integral.

The passage states the conditions Re(a) < 0 and Re(m) > 0.

  • The stated parameter conditions are Re(a) < 0 and Re(m) > 0.Source: §12 · p. 102

13. A table of formulae involving the arcsin(x) function and special functions.

The section uses a combinatorial approach to express arcsin through the hypergeometric function, yielding a new special-function form and definite integrals involving elliptic functions and Catalan’s constant.

  • A combinatorial approach derives the arcsin function in terms of the hypergeometric function.Source: §13 · p. 102
  • The derivation yields a new special-function form for arcsin, described as not seen in current literature to the authors’ knowledge.Source: §13 · p. 102
  • The new form allows the authors to write definite integrals involving elliptic functions and Catalan’s constant.Source: §13 · p. 102
  • Arcsin is used in the special integral Owen T-function in wireless communications theory.Source: §13 · p. 102

14. Table of results

The section presents a table of result examples, many identified by the source equations from which they are taken; one entry flags its cited equation as erroneous.

  • Examples 14.3–14.7 cite Eqs. (4.521.1), (4.521.3), (4.521.4), (4.521.6), and (4.521.7), respectively, from; Example 14.2 is introduced as Catalan’s constant.Source: §14 · pp. 103–104
  • Examples 14.9–14.15 are identified with equations from [26], with Example 14.12 flagged as an error in the cited equation.Source: §14 · pp. 105–106
  • Examples 14.16–14.21 are identified with equations from [26].Source: §14 · pp. 106–107
  • Examples 14.22–14.25 are identified with equations from [13].Source: §14 · p. 108
  • Examples 14.27–14.32 are identified as coming from Eqs. (2.6.1.1), (2.6.1.7), (2.6.1.18), (2.6.1.19), (2.6.1.20), and (2.6.1.21), respectively, in.Source: §14 · pp. 109–110
  • Examples 14.36–14.39 and 14.41–14.46 are identified with equations from [6], while Example 14.40 cites.Source: §14 · pp. 112, 113, 114, 116
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