Results 301 to 310 of about 4,708,954 (364)
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Universal Fourier Series

Mathematical Notes, 2020
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On hermite-fourier series

Periodica Mathematica Hungarica, 1992
The present work of the author is a sequel to his earlier paper (*) [Acta Math. Hung. 57, No. 1/2, 169-179 (1991; Zbl 0757.41027)]. Several results relating the Hermite-Fourier series are investigated including the norm estimates for the ordinary and conjugate Abel-Poisson means.
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Strong Convergence of Two-Dimensional Walsh–Fourier Series

Ukrainian Mathematical Journal, 2013
We prove that certain means of quadratic partial sums of the two-dimensional Walsh–Fourier series are uniformly bounded operators acting from the Hardy space Hp to the space Lp for 0 
G. Tephnadze
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Fourier Series

ACM SIGSPATIAL International Workshop on Advances in Geographic Information Systems, 2018
Elijah Liflyand
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Divergence of Fourier Series

Canadian Mathematical Bulletin, 1983
AbstractThis note contains a strengthened version of the following well-known theorem: there exists a continuous function whose Fourier series diverges at a point.
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DIVERGENT FOURIER SERIES

Russian Mathematical Surveys, 1961
CONTENTS § 1. Introduction § 2. Definitions and auxiliary propositions § 3. Theorems on summable series § 4. Zahorski' s construction § 5. Haar series § 6. Basic series § 7. Trigonometric series § 8. Walsh series § 9. Series in terms of complete orthonormal systems § 10. Weakly unconditionally convergent series § 11.
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ON TRIGONOMETRIC FOURIER SERIES

Mathematics of the USSR-Sbornik, 1976
This paper studies the problem of the convergence and summability of simple and multiple trigonometric Fourier series.Bibliography: 21 titles.
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Periodic Hyperfunctions and Fourier Series Fourier Series

1992
We have now almost finished the general discussion of hyperfunctions. From now on we shall attempt to apply this general theory to various cases. In this chapter we study periodic hyperfunctions. Then we shall see that the theory of Fourier series is naturally absorbed into the theory of Fourier transformations.
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Fourier Series

An Introduction to Analysis, 2021
James R. Kirkwood
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Representation of the Fourier Transform by Fourier Series

Journal of Mathematical Imaging and Vision, 2006
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