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1 - Introduction

Published online by Cambridge University Press:  16 May 2024

Wolfgang Lay
Affiliation:
Universität Stuttgart
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Summary

Classical special functions are a traditional field of mathematics. As particular solutions of singular boundary eigenvalue problems of linear ordinary differential equations of second order, they are, by definition, functions that can be represented as the product of an asymptotic factor and a (finite or infinite) Taylor series. The coefficients of these series are, by definition, solutions of two-term recurrence relations, from which an algebraic boundary eigenvalue criterion can be formulated. This method is called the Sommerfeld polynomial method. Thus, one can say that the boundary eigenvalue condition is, by definition, algebraic in nature. It is the central message of this book that one can resolve this restriction methodically. The method developed for this also applies to problems that can be solved with classical methods. So, in order to present the newly developed method in light of what is known, and understand the new perspective more easily, the method is applied in this chapter to already known solutions. Accordingly, it is a ’phenomenological’ introduction, based on the ad hoc introduction of the relevant quantities.

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Chapter
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Higher Special Functions
A Theory of the Central Two-Point Connection Problem Based on a Singularity Approach
, pp. 1 - 80
Publisher: Cambridge University Press
Print publication year: 2024

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  • Introduction
  • Wolfgang Lay, Universität Stuttgart
  • Book: Higher Special Functions
  • Online publication: 16 May 2024
  • Chapter DOI: https://doi.org/10.1017/9781009128414.002
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  • Introduction
  • Wolfgang Lay, Universität Stuttgart
  • Book: Higher Special Functions
  • Online publication: 16 May 2024
  • Chapter DOI: https://doi.org/10.1017/9781009128414.002
Available formats
×

Save book to Google Drive

To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Google Drive.

  • Introduction
  • Wolfgang Lay, Universität Stuttgart
  • Book: Higher Special Functions
  • Online publication: 16 May 2024
  • Chapter DOI: https://doi.org/10.1017/9781009128414.002
Available formats
×