Cesaro Summability Of Fourier Series In Lp Spaces

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Summability of Multi-Dimensional Fourier Series and Hardy Spaces

Author : Ferenc Weisz
Publisher : Springer Science & Business Media
ISBN 13 : 9401731837
Total Pages : 340 pages
Book Rating : 4.4/5 (17 download)

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Book Synopsis Summability of Multi-Dimensional Fourier Series and Hardy Spaces by : Ferenc Weisz

Download or read book Summability of Multi-Dimensional Fourier Series and Hardy Spaces written by Ferenc Weisz and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: The history of martingale theory goes back to the early fifties when Doob [57] pointed out the connection between martingales and analytic functions. On the basis of Burkholder's scientific achievements the mar tingale theory can perfectly well be applied in complex analysis and in the theory of classical Hardy spaces. This connection is the main point of Durrett's book [60]. The martingale theory can also be well applied in stochastics and mathematical finance. The theories of the one-parameter martingale and the classical Hardy spaces are discussed exhaustively in the literature (see Garsia [83], Neveu [138], Dellacherie and Meyer [54, 55], Long [124], Weisz [216] and Duren [59], Stein [193, 194], Stein and Weiss [192], Lu [125], Uchiyama [205]). The theory of more-parameter martingales and martingale Hardy spaces is investigated in Imkeller [107] and Weisz [216]. This is the first mono graph which considers the theory of more-parameter classical Hardy spaces. The methods of proofs for one and several parameters are en tirely different; in most cases the theorems stated for several parameters are much more difficult to verify. The so-called atomic decomposition method that can be applied both in the one-and more-parameter cases, was considered for martingales by the author in [216].

Martingale Hardy Spaces and Summability of One-Dimensional Vilenkin-Fourier Series

Author : Lars-Erik Persson
Publisher : Springer Nature
ISBN 13 : 3031144597
Total Pages : 633 pages
Book Rating : 4.0/5 (311 download)

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Book Synopsis Martingale Hardy Spaces and Summability of One-Dimensional Vilenkin-Fourier Series by : Lars-Erik Persson

Download or read book Martingale Hardy Spaces and Summability of One-Dimensional Vilenkin-Fourier Series written by Lars-Erik Persson and published by Springer Nature. This book was released on 2022-11-22 with total page 633 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses, develops and applies the theory of Vilenkin-Fourier series connected to modern harmonic analysis. The classical theory of Fourier series deals with decomposition of a function into sinusoidal waves. Unlike these continuous waves the Vilenkin (Walsh) functions are rectangular waves. Such waves have already been used frequently in the theory of signal transmission, multiplexing, filtering, image enhancement, code theory, digital signal processing and pattern recognition. The development of the theory of Vilenkin-Fourier series has been strongly influenced by the classical theory of trigonometric series. Because of this it is inevitable to compare results of Vilenkin-Fourier series to those on trigonometric series. There are many similarities between these theories, but there exist differences also. Much of these can be explained by modern abstract harmonic analysis, which studies orthonormal systems from the point of view of the structure of a topological group. The first part of the book can be used as an introduction to the subject, and the following chapters summarize the most recent research in this fascinating area and can be read independently. Each chapter concludes with historical remarks and open questions. The book will appeal to researchers working in Fourier and more broad harmonic analysis and will inspire them for their own and their students' research. Moreover, researchers in applied fields will appreciate it as a sourcebook far beyond the traditional mathematical domains.

Lebesgue Points and Summability of Higher Dimensional Fourier Series

Author : Ferenc Weisz
Publisher : Springer Nature
ISBN 13 : 3030746364
Total Pages : 299 pages
Book Rating : 4.0/5 (37 download)

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Book Synopsis Lebesgue Points and Summability of Higher Dimensional Fourier Series by : Ferenc Weisz

Download or read book Lebesgue Points and Summability of Higher Dimensional Fourier Series written by Ferenc Weisz and published by Springer Nature. This book was released on 2021-06-12 with total page 299 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph presents the summability of higher dimensional Fourier series, and generalizes the concept of Lebesgue points. Focusing on Fejér and Cesàro summability, as well as theta-summation, readers will become more familiar with a wide variety of summability methods. Within the theory of higher dimensional summability of Fourier series, the book also provides a much-needed simple proof of Lebesgue’s theorem, filling a gap in the literature. Recent results and real-world applications are highlighted as well, making this a timely resource. The book is structured into four chapters, prioritizing clarity throughout. Chapter One covers basic results from the one-dimensional Fourier series, and offers a clear proof of the Lebesgue theorem. In Chapter Two, convergence and boundedness results for the lq-summability are presented. The restricted and unrestricted rectangular summability are provided in Chapter Three, as well as the sufficient and necessary condition for the norm convergence of the rectangular theta-means. Chapter Four then introduces six types of Lebesgue points for higher dimensional functions. Lebesgue Points and Summability of Higher Dimensional Fourier Series will appeal to researchers working in mathematical analysis, particularly those interested in Fourier and harmonic analysis. Researchers in applied fields will also find this useful.

Trigonometric Fourier Series and Their Conjugates

Author : L. Zhizhiashvili
Publisher : Springer Science & Business Media
ISBN 13 : 9400902832
Total Pages : 314 pages
Book Rating : 4.4/5 (9 download)

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Book Synopsis Trigonometric Fourier Series and Their Conjugates by : L. Zhizhiashvili

Download or read book Trigonometric Fourier Series and Their Conjugates written by L. Zhizhiashvili and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research in the theory of trigonometric series has been carried out for over two centuries. The results obtained have greatly influenced various fields of mathematics, mechanics, and physics. Nowadays, the theory of simple trigonometric series has been developed fully enough (we will only mention the monographs by Zygmund [15, 16] and Bari [2]). The achievements in the theory of multiple trigonometric series look rather modest as compared to those in the one-dimensional case though multiple trigonometric series seem to be a natural, interesting and promising object of investigation. We should say, however, that the past few decades have seen a more intensive development of the theory in this field. To form an idea about the theory of multiple trigonometric series, the reader can refer to the surveys by Shapiro [1], Zhizhiashvili [16], [46], Golubov [1], D'yachenko [3]. As to monographs on this topic, only that ofYanushauskas [1] is known to me. This book covers several aspects of the theory of multiple trigonometric Fourier series: the existence and properties of the conjugates and Hilbert transforms of integrable functions; convergence (pointwise and in the LP-norm, p > 0) of Fourier series and their conjugates, as well as their summability by the Cesaro (C,a), a> -1, and Abel-Poisson methods; approximating properties of Cesaro means of Fourier series and their conjugates.

Functional Analysis

Author :
Publisher : Academic Press
ISBN 13 : 0080873979
Total Pages : 177 pages
Book Rating : 4.0/5 (88 download)

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Book Synopsis Functional Analysis by :

Download or read book Functional Analysis written by and published by Academic Press. This book was released on 1978-11-03 with total page 177 pages. Available in PDF, EPUB and Kindle. Book excerpt: Functional Analysis

Analysis of Divergence

Author : William Bray
Publisher : Springer Science & Business Media
ISBN 13 : 1461222362
Total Pages : 568 pages
Book Rating : 4.4/5 (612 download)

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Book Synopsis Analysis of Divergence by : William Bray

Download or read book Analysis of Divergence written by William Bray and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 7th International Workshop in Analysis and its Applications (IWAA) was held at the University of Maine, June 1-6, 1997 and featured approxi mately 60 mathematicians. The principal theme of the workshop shares the title of this volume and the latter is a direct outgrowth of the workshop. IWAA was founded in 1984 by Professor Caslav V. Stanojevic. The first meeting was held in the resort complex Kupuri, Yugoslavia, June 1-10, 1986, with two pilot meetings preceding. The Organization Committee to gether with the Advisory Committee (R. P. Boas, R. R. Goldberg, J. P. Kahne) set forward the format and content of future meetings. A certain number of papers were presented that later appeared individually in such journals as the Proceedings of the AMS, Bulletin of the AMS, Mathematis chen Annalen, and the Journal of Mathematical Analysis and its Applica tions. The second meeting took place June 1-10, 1987, at the same location. At the plenary session of this meeting it was decided that future meetings should have a principal theme. The theme for the third meeting (June 1- 10, 1989, Kupuri) was Karamata's Regular Variation. The principal theme for the fourth meeting (June 1-10, 1990, Kupuri) was Inner Product and Convexity Structures in Analysis, Mathematical Physics, and Economics. The fifth meeting was to have had the theme, Analysis and Foundations, organized in cooperation with Professor A. Blass (June 1-10, 1991, Kupuri).

Banach Spaces of Analytic Functions

Author : Kenneth Hoffman
Publisher : Courier Corporation
ISBN 13 : 048614996X
Total Pages : 227 pages
Book Rating : 4.4/5 (861 download)

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Book Synopsis Banach Spaces of Analytic Functions by : Kenneth Hoffman

Download or read book Banach Spaces of Analytic Functions written by Kenneth Hoffman and published by Courier Corporation. This book was released on 2014-06-10 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: A classic of pure mathematics, this advanced graduate-level text explores the intersection of functional analysis and analytic function theory. Close in spirit to abstract harmonic analysis, it is confined to Banach spaces of analytic functions in the unit disc. The author devotes the first four chapters to proofs of classical theorems on boundary values and boundary integral representations of analytic functions in the unit disc, including generalizations to Dirichlet algebras. The fifth chapter contains the factorization theory of Hp functions, a discussion of some partial extensions of the factorization, and a brief description of the classical approach to the theorems of the first five chapters. The remainder of the book addresses the structure of various Banach spaces and Banach algebras of analytic functions in the unit disc. Enhanced with 100 challenging exercises, a bibliography, and an index, this text belongs in the libraries of students, professional mathematicians, as well as anyone interested in a rigorous, high-level treatment of this topic.

Construction of Wavelets Through Walsh Functions

Author : Yu. A. Farkov
Publisher : Springer
ISBN 13 : 9811363706
Total Pages : 400 pages
Book Rating : 4.8/5 (113 download)

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Book Synopsis Construction of Wavelets Through Walsh Functions by : Yu. A. Farkov

Download or read book Construction of Wavelets Through Walsh Functions written by Yu. A. Farkov and published by Springer. This book was released on 2019-04-29 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the fusion of wavelets and Walsh analysis, which involves non-trigonometric function series (or Walsh–Fourier series). The primary objective of the book is to systematically present the basic properties of non-trigonometric orthonormal systems such as the Haar system, Haar–Vilenkin system, Walsh system, wavelet system and frame system, as well as updated results on the book’s main theme. Based on lectures that the authors presented at several international conferences, the notions and concepts introduced in this interdisciplinary book can be applied to any situation where wavelets and their variants are used. Most of the applications of wavelet analysis and Walsh analysis can be tried for newly constructed wavelets. Given its breadth of coverage, the book offers a valuable resource for theoreticians and those applying mathematics in diverse areas. It is especially intended for graduate students of mathematics and engineering and researchers interested in applied analysis.

Convergence and Summability of Fourier Transforms and Hardy Spaces

Author : Ferenc Weisz
Publisher : Birkhäuser
ISBN 13 : 3319568140
Total Pages : 446 pages
Book Rating : 4.3/5 (195 download)

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Book Synopsis Convergence and Summability of Fourier Transforms and Hardy Spaces by : Ferenc Weisz

Download or read book Convergence and Summability of Fourier Transforms and Hardy Spaces written by Ferenc Weisz and published by Birkhäuser. This book was released on 2017-12-27 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book investigates the convergence and summability of both one-dimensional and multi-dimensional Fourier transforms, as well as the theory of Hardy spaces. To do so, it studies a general summability method known as theta-summation, which encompasses all the well-known summability methods, such as the Fejér, Riesz, Weierstrass, Abel, Picard, Bessel and Rogosinski summations. Following on the classic books by Bary (1964) and Zygmund (1968), this is the first book that considers strong summability introduced by current methodology. A further unique aspect is that the Lebesgue points are also studied in the theory of multi-dimensional summability. In addition to classical results, results from the past 20-30 years – normally only found in scattered research papers – are also gathered and discussed, offering readers a convenient “one-stop” source to support their work. As such, the book will be useful for researchers, graduate and postgraduate students alike.

Function Spaces

Author : Ryszard Grz??lewicz
Publisher : World Scientific
ISBN 13 : 9812704450
Total Pages : 285 pages
Book Rating : 4.8/5 (127 download)

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Book Synopsis Function Spaces by : Ryszard Grz??lewicz

Download or read book Function Spaces written by Ryszard Grz??lewicz and published by World Scientific. This book was released on 2003 with total page 285 pages. Available in PDF, EPUB and Kindle. Book excerpt: The papers included in this volume deal with the following topics: convex analysis, operator theory, interpolation theory, theory of real functions, theory of analytic functions, bifurcation theory, Fourier analysis, functional analysis, measure theory, geometry of Banach spaces, history of mathematics.

Theses and Dissertations Accepted by Texas Tech University

Author : Texas Tech University. Library
Publisher :
ISBN 13 :
Total Pages : 210 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Theses and Dissertations Accepted by Texas Tech University by : Texas Tech University. Library

Download or read book Theses and Dissertations Accepted by Texas Tech University written by Texas Tech University. Library and published by . This book was released on 1975 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Harmonic Analysis and Nonlinear Differential Equations

Author : Victor Lenard Shapiro
Publisher : American Mathematical Soc.
ISBN 13 : 0821805657
Total Pages : 366 pages
Book Rating : 4.8/5 (218 download)

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Book Synopsis Harmonic Analysis and Nonlinear Differential Equations by : Victor Lenard Shapiro

Download or read book Harmonic Analysis and Nonlinear Differential Equations written by Victor Lenard Shapiro and published by American Mathematical Soc.. This book was released on 1997 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: There are also several survey articles on recent developments in multiple trigonometric series, dyadic harmonic analysis, special functions, analysis on fractals, and shock waves, as well as papers with new results in nonlinear differential equations. These survey articles, along with several of the research articles, cover a wide variety of applications such as turbulence, general relativity and black holes, neural networks, and diffusion and wave propagation in porous media.

Function Spaces, Proceedings Of The Sixth Conference

Author : Ryszard Grzaslewicz
Publisher : World Scientific
ISBN 13 : 9814486728
Total Pages : 285 pages
Book Rating : 4.8/5 (144 download)

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Book Synopsis Function Spaces, Proceedings Of The Sixth Conference by : Ryszard Grzaslewicz

Download or read book Function Spaces, Proceedings Of The Sixth Conference written by Ryszard Grzaslewicz and published by World Scientific. This book was released on 2003-04-03 with total page 285 pages. Available in PDF, EPUB and Kindle. Book excerpt: The papers included in this volume deal with the following topics: convex analysis, operator theory, interpolation theory, theory of real functions, theory of analytic functions, bifurcation theory, Fourier analysis, functional analysis, measure theory, geometry of Banach spaces, history of mathematics.

Canadian Journal of Mathematics

Author :
Publisher :
ISBN 13 :
Total Pages : 268 pages
Book Rating : 4./5 ( download)

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Book Synopsis Canadian Journal of Mathematics by :

Download or read book Canadian Journal of Mathematics written by and published by . This book was released on 1969 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Signals, Systems and Signal Processing

Author : P. P. Vaidyanathan
Publisher : Cambridge University Press
ISBN 13 : 1009412299
Total Pages : 727 pages
Book Rating : 4.0/5 (94 download)

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Book Synopsis Signals, Systems and Signal Processing by : P. P. Vaidyanathan

Download or read book Signals, Systems and Signal Processing written by P. P. Vaidyanathan and published by Cambridge University Press. This book was released on 2024-05-31 with total page 727 pages. Available in PDF, EPUB and Kindle. Book excerpt: An innovative introduction to the foundations of signals and systems, smoothing the transition towards study of digital signal processing.

Index of Mathematical Papers

Author :
Publisher :
ISBN 13 :
Total Pages : 520 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Index of Mathematical Papers by :

Download or read book Index of Mathematical Papers written by and published by . This book was released on 1974 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Analysis at Urbana: Volume 1, Analysis in Function Spaces

Author : E. Berkson
Publisher : CUP Archive
ISBN 13 : 0521364361
Total Pages : 437 pages
Book Rating : 4.5/5 (213 download)

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Book Synopsis Analysis at Urbana: Volume 1, Analysis in Function Spaces by : E. Berkson

Download or read book Analysis at Urbana: Volume 1, Analysis in Function Spaces written by E. Berkson and published by CUP Archive. This book was released on 1989-03-30 with total page 437 pages. Available in PDF, EPUB and Kindle. Book excerpt: Throughout the academic year 1986-7, the University of Illinois hosted a symposium on mathematical analysis attended by some of the leading figures in the field. This resulting book lays emphasis on the synthesis of modern and classical analysis.