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Journal of Approximation Theory
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Journal of Approximation Theory
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Some Expansions in Basic Fourier Series and Related Topics

Some expansions in basic Fourier series and related topics
Authors: Sergei K. Suslov;

Some Expansions in Basic Fourier Series and Related Topics

Abstract

This impressive paper deals with the expansion of \(q\)-analogues of some elementary functions in basic Fourier series introduced in [\textit{J.~Bustoz} and \textit{S. K.~Suslov}, ``Basic analog of Fourier series on a \(q\)-quadratic grid'', Methods Appl. Anal. 5, No. 1, 1-38 (1998; Zbl 0961.33013)], which are based on certain \(q\)-analogues of the trigonometric and exponential functions. Starting with the expansions of the continuous \(q\)-ultraspherical and \(q\)-Lommel polynomials, the basic trigonometric and exponential functions and some basic cosecant and cotangent functions, the results eventually lead to a natural \(q\)-extension of the Bernoulli and Euler polynomials and numbers and the Riemann zeta function. The author expresses his hope that this will eventually lead to a \(q\)-extension of the theory of the Riemann zeta and related functions.

Related Organizations
Keywords

the Bernoulli and Euler polynomials and numbers and their q-extensions, Mathematics(all), Numerical Analysis, Basic orthogonal polynomials and functions (Askey-Wilson polynomials, etc.), \(q\)-extensions of the Bernoulli and Euler polynomials and numbers, \(q\)-Fourier series, Applied Mathematics, orthogonality relations, Fourier series, Fourier series in special orthogonal functions (Legendre polynomials, Walsh functions, etc.), Fourier coefficients, Fourier series of functions with special properties, special Fourier series, Basic hypergeometric functions in one variable, \({}_r\phi_s\), basic trigonometric functions, the Riemann zeta function and its q-extension, q-Fourier series, \(q\)-extension of the Riemann zeta function, Analysis, Trigonometric functions

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
24
Average
Top 10%
Top 10%
hybrid