Haar Series And Linear Operators

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Haar Series and Linear Operators

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Author : I. Novikov
Publisher : Springer Science & Business Media
ISBN 13 : 9401717265
Total Pages : 228 pages
Book Rating : 4.4/5 (17 download)

Book Synopsis Haar Series and Linear Operators by : I. Novikov

Download or read book Haar Series and Linear Operators written by I. Novikov and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1909 Alfred Haar introduced into analysis a remarkable system which bears his name. The Haar system is a complete orthonormal system on [0,1] and the Fourier-Haar series for arbitrary continuous function converges uniformly to this function. This volume is devoted to the investigation of the Haar system from the operator theory point of view. The main subjects treated are: classical results on unconditional convergence of the Haar series in modern presentation; Fourier-Haar coefficients; reproducibility; martingales; monotone bases in rearrangement invariant spaces; rearrangements and multipliers with respect to the Haar system; subspaces generated by subsequences of the Haar system; the criterion of equivalence of the Haar and Franklin systems. Audience: This book will be of interest to graduate students and researchers whose work involves functional analysis and operator theory.

Haar Series and Linear Operators

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Author : I. Novikov
Publisher :
ISBN 13 : 9789401717274
Total Pages : 244 pages
Book Rating : 4.7/5 (172 download)

Book Synopsis Haar Series and Linear Operators by : I. Novikov

Download or read book Haar Series and Linear Operators written by I. Novikov and published by . This book was released on 2014-01-15 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Singular Quadratic Forms in Perturbation Theory

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Author : Volodymyr Koshmanenko
Publisher : Springer Science & Business Media
ISBN 13 : 9401146195
Total Pages : 316 pages
Book Rating : 4.4/5 (11 download)

Book Synopsis Singular Quadratic Forms in Perturbation Theory by : Volodymyr Koshmanenko

Download or read book Singular Quadratic Forms in Perturbation Theory written by Volodymyr Koshmanenko and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: The notion of singular quadratic form appears in mathematical physics as a tool for the investigation of formal expressions corresponding to perturbations devoid of operator sense. Numerous physical models are based on the use of Hamiltonians containing perturba tion terms with singular properties. Typical examples of such expressions are Schrodin ger operators with O-potentials (-~ + AD) and Hamiltonians in quantum field theory with perturbations given in terms of operators of creation and annihilation (P(

Advanced Integration Theory

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Author : Corneliu Constantinescu
Publisher : Springer Science & Business Media
ISBN 13 : 9780792352341
Total Pages : 896 pages
Book Rating : 4.3/5 (523 download)

Book Synopsis Advanced Integration Theory by : Corneliu Constantinescu

Download or read book Advanced Integration Theory written by Corneliu Constantinescu and published by Springer Science & Business Media. This book was released on 1998-10-31 with total page 896 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since about 1915 integration theory has consisted of two separate branches: the abstract theory required by probabilists and the theory, preferred by analysts, that combines integration and topology. As long as the underlying topological space is reasonably nice (e.g., locally compact with countable basis) the abstract theory and the topological theory yield the same results, but for more compli cated spaces the topological theory gives stronger results than those provided by the abstract theory. The possibility of resolving this split fascinated us, and it was one of the reasons for writing this book. The unification of the abstract theory and the topological theory is achieved by using new definitions in the abstract theory. The integral in this book is de fined in such a way that it coincides in the case of Radon measures on Hausdorff spaces with the usual definition in the literature. As a consequence, our integral can differ in the classical case. Our integral, however, is more inclusive. It was defined in the book "C. Constantinescu and K. Weber (in collaboration with A.

Asymptotic Methods for Investigating Quasiwave Equations of Hyperbolic Type

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Author : Yuri A. Mitropolsky
Publisher : Springer Science & Business Media
ISBN 13 : 9780792345299
Total Pages : 232 pages
Book Rating : 4.3/5 (452 download)

Book Synopsis Asymptotic Methods for Investigating Quasiwave Equations of Hyperbolic Type by : Yuri A. Mitropolsky

Download or read book Asymptotic Methods for Investigating Quasiwave Equations of Hyperbolic Type written by Yuri A. Mitropolsky and published by Springer Science & Business Media. This book was released on 1997-04-30 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: The theory of partial differential equations is a wide and rapidly developing branch of contemporary mathematics. Problems related to partial differential equations of order higher than one are so diverse that a general theory can hardly be built up. There are several essentially different kinds of differential equations called elliptic, hyperbolic, and parabolic. Regarding the construction of solutions of Cauchy, mixed and boundary value problems, each kind of equation exhibits entirely different properties. Cauchy problems for hyperbolic equations and systems with variable coefficients have been studied in classical works of Petrovskii, Leret, Courant, Gording. Mixed problems for hyperbolic equations were considered by Vishik, Ladyzhenskaya, and that for general two dimensional equations were investigated by Bitsadze, Vishik, Gol'dberg, Ladyzhenskaya, Myshkis, and others. In last decade the theory of solvability on the whole of boundary value problems for nonlinear differential equations has received intensive development. Significant results for nonlinear elliptic and parabolic equations of second order were obtained in works of Gvazava, Ladyzhenskaya, Nakhushev, Oleinik, Skripnik, and others. Concerning the solvability in general of nonlinear hyperbolic equations, which are connected to the theory of local and nonlocal boundary value problems for hyperbolic equations, there are only partial results obtained by Bronshtein, Pokhozhev, Nakhushev.

Integral Transformations, Operational Calculus, and Generalized Functions

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Author : R.G. Buschman
Publisher : Springer Science & Business Media
ISBN 13 : 1461312833
Total Pages : 248 pages
Book Rating : 4.4/5 (613 download)

Book Synopsis Integral Transformations, Operational Calculus, and Generalized Functions by : R.G. Buschman

Download or read book Integral Transformations, Operational Calculus, and Generalized Functions written by R.G. Buschman and published by Springer Science & Business Media. This book was released on 2013-11-27 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is not the object of the author to present comprehensive cov erage of any particular integral transformation or of any particular development of generalized functions, for there are books available in which this is done. Rather, this consists more of an introductory survey in which various ideas are explored. The Laplace transforma tion is taken as the model type of an integral transformation and a number of its properties are developed; later, the Fourier transfor mation is introduced. The operational calculus of Mikusinski is pre sented as a method of introducing generalized functions associated with the Laplace transformation. The construction is analogous to the construction of the rational numbers from the integers. Further on, generalized functions associated with the problem of extension of the Fourier transformation are introduced. This construction is anal ogous to the construction of the reals from the rationals by means of Cauchy sequences. A chapter with sections on a variety of trans formations is adjoined. Necessary levels of sophistication start low in the first chapter, but they grow considerably in some sections of later chapters. Background needs are stated at the beginnings of each chapter. Many theorems are given without proofs, which seems appro priate for the goals in mind. A selection of references is included. Without showing many of the details of rigor it is hoped that a strong indication is given that a firm mathematical foundation does actu ally exist for such entities as the "Dirac delta-function".

Dynamic Systems on Measure Chains

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Author : V. Lakshmikantham
Publisher : Springer Science & Business Media
ISBN 13 : 1475724497
Total Pages : 300 pages
Book Rating : 4.4/5 (757 download)

Book Synopsis Dynamic Systems on Measure Chains by : V. Lakshmikantham

Download or read book Dynamic Systems on Measure Chains written by V. Lakshmikantham and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: From a modelling point of view, it is more realistic to model a phenomenon by a dynamic system which incorporates both continuous and discrete times, namely, time as an arbitrary closed set of reals called time-scale or measure chain. It is therefore natural to ask whether it is possible to provide a framework which permits us to handle both dynamic systems simultaneously so that one can get some insight and a better understanding of the subtle differences of these two different systems. The answer is affirmative, and recently developed theory of dynamic systems on time scales offers the desired unified approach. In this monograph, we present the current state of development of the theory of dynamic systems on time scales from a qualitative point of view. It consists of four chapters. Chapter one develops systematically the necessary calculus of functions on time scales. In chapter two, we introduce dynamic systems on time scales and prove the basic properties of solutions of such dynamic systems. The theory of Lyapunov stability is discussed in chapter three in an appropriate setup. Chapter four is devoted to describing several different areas of investigations of dynamic systems on time scales which will provide an exciting prospect and impetus for further advances in this important area which is very new. Some important features of the monograph are as follows: It is the first book that is dedicated to a systematic development of the theory of dynamic systems on time scales which is of recent origin. It demonstrates the interplay of the two different theories, namely, the theory of continuous and discrete dynamic systems, when imbedded in one unified framework. It provides an impetus to investigate in the setup of time scales other important problems which might offer a better understanding of the intricacies of a unified study.£/LIST£ Audience: The readership of this book consists of applied mathematicians, engineering scientists, research workers in dynamic systems, chaotic theory and neural nets.

Integration on Infinite-Dimensional Surfaces and Its Applications

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Author : A. Uglanov
Publisher : Springer Science & Business Media
ISBN 13 : 9401596220
Total Pages : 280 pages
Book Rating : 4.4/5 (15 download)

Book Synopsis Integration on Infinite-Dimensional Surfaces and Its Applications by : A. Uglanov

Download or read book Integration on Infinite-Dimensional Surfaces and Its Applications written by A. Uglanov and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: It seems hard to believe, but mathematicians were not interested in integration problems on infinite-dimensional nonlinear structures up to 70s of our century. At least the author is not aware of any publication concerning this theme, although as early as 1967 L. Gross mentioned that the analysis on infinite dimensional manifolds is a field of research with rather rich opportunities in his classical work [2. This prediction was brilliantly confirmed afterwards, but we shall return to this later on. In those days the integration theory in infinite dimensional linear spaces was essentially developed in the heuristic works of RP. Feynman [1], I. M. Gelfand, A. M. Yaglom [1]). The articles of J. Eells [1], J. Eells and K. D. Elworthy [1], H. -H. Kuo [1], V. Goodman [1], where the contraction of a Gaussian measure on a hypersurface, in particular, was built and the divergence theorem (the Gauss-Ostrogradskii formula) was proved, appeared only in the beginning of the 70s. In this case a Gaussian specificity was essential and it was even pointed out in a later monograph of H. -H. Kuo [3] that the surface measure for the non-Gaussian case construction problem is not simple and has not yet been solved. A. V. Skorokhod [1] and the author [6,10] offered different approaches to such a construction. Some other approaches were offered later by Yu. L. Daletskii and B. D. Maryanin [1], O. G. Smolyanov [6], N. V.

Orthogonal Polynomials on the Unit Circle: Spectral theory

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Author : Barry Simon
Publisher : American Mathematical Soc.
ISBN 13 : 9780821836750
Total Pages : 608 pages
Book Rating : 4.8/5 (367 download)

Book Synopsis Orthogonal Polynomials on the Unit Circle: Spectral theory by : Barry Simon

Download or read book Orthogonal Polynomials on the Unit Circle: Spectral theory written by Barry Simon and published by American Mathematical Soc.. This book was released on 2005 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents an overview of the theory of probability measures on the unit circle, viewed especially in terms of the orthogonal polynomials defined by those measures. This book discusses topics such as asymptotics of Toeplitz determinants (Szego's theorems), and limit theorems for the density of the zeros of orthogonal polynomials.

Orthogonal Polynomials on the Unit Circle

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Author : Barry Simon
Publisher : American Mathematical Soc.
ISBN 13 : 082184864X
Total Pages : 610 pages
Book Rating : 4.8/5 (218 download)

Book Synopsis Orthogonal Polynomials on the Unit Circle by : Barry Simon

Download or read book Orthogonal Polynomials on the Unit Circle written by Barry Simon and published by American Mathematical Soc.. This book was released on 2005 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt: This two-part volume gives a comprehensive overview of the theory of probability measures on the unit circle, viewed especially in terms of the orthogonal polynomials defined by those measures. A major theme involves the connections between the Verblunsky coefficients (the coefficients of the recurrence equation for the orthogonal polynomials) and the measures, an analog of the spectral theory of one-dimensional Schrödinger operators. Among the topics discussed along the way are the asymptotics of Toeplitz determinants (Szegő's theorems), limit theorems for the density of the zeros of orthogonal polynomials, matrix representations for multiplication by (CMV matrices), periodic Verblunsky coefficients from the point of view of meromorphic functions on hyperelliptic surfaces, and connections between the theories of orthogonal polynomials on the unit circle and on the real line. The book is suitable for graduate students and researchers interested in analysis.

Hausdorff Approximations

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Author : Bl. Sendov
Publisher : Springer Science & Business Media
ISBN 13 : 9400906730
Total Pages : 380 pages
Book Rating : 4.4/5 (9 download)

Book Synopsis Hausdorff Approximations by : Bl. Sendov

Download or read book Hausdorff Approximations written by Bl. Sendov and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: 'Et moi ..., si j'avait su comment en revenir, One service mathematics has rendered the je n'y serais point a1Ie.' human race. It has put common sense back Jules Verne where it belongs, on the topmost shelf next to the dusty canister labelled 'discarded non The series is divergent; therefore we may be sense'. able to do something with it. Eric T. Bell O. Heaviside Mathematics is a tool for thought. A highly necessary tool in a world where both feedback and non linearities abound. Similarly, all kinds of parts of mathematics serve as tools for other parts and for other sciences. Applying a simple rewriting rule to the quote on the right above one finds such statements as: 'One service topology has rendered mathematical physics .. .'; 'One service logic has rendered com puter science .. .'; 'One service category theory has rendered mathematics .. .'. All arguably true. And all statements obtainable this way form part of the raison d'etre of this series.

History of Banach Spaces and Linear Operators

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Author : Albrecht Pietsch
Publisher : Springer Science & Business Media
ISBN 13 : 0817645969
Total Pages : 877 pages
Book Rating : 4.8/5 (176 download)

Book Synopsis History of Banach Spaces and Linear Operators by : Albrecht Pietsch

Download or read book History of Banach Spaces and Linear Operators written by Albrecht Pietsch and published by Springer Science & Business Media. This book was released on 2007-12-31 with total page 877 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by a distinguished specialist in functional analysis, this book presents a comprehensive treatment of the history of Banach spaces and (abstract bounded) linear operators. Banach space theory is presented as a part of a broad mathematics context, using tools from such areas as set theory, topology, algebra, combinatorics, probability theory, logic, etc. Equal emphasis is given to both spaces and operators. The book may serve as a reference for researchers and as an introduction for graduate students who want to learn Banach space theory with some historical flavor.

Orthonormal Systems and Banach Space Geometry

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Author : Albrecht Pietsch
Publisher : Cambridge University Press
ISBN 13 : 0521624622
Total Pages : 565 pages
Book Rating : 4.5/5 (216 download)

Book Synopsis Orthonormal Systems and Banach Space Geometry by : Albrecht Pietsch

Download or read book Orthonormal Systems and Banach Space Geometry written by Albrecht Pietsch and published by Cambridge University Press. This book was released on 1998-09-10 with total page 565 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the interplay between orthonormal expansions and Banach space geometry.

Introduction to Fourier Analysis and Wavelets

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Author : Mark A. Pinsky
Publisher : American Mathematical Society
ISBN 13 : 1470475677
Total Pages : 398 pages
Book Rating : 4.4/5 (74 download)

Book Synopsis Introduction to Fourier Analysis and Wavelets by : Mark A. Pinsky

Download or read book Introduction to Fourier Analysis and Wavelets written by Mark A. Pinsky and published by American Mathematical Society. This book was released on 2023-12-21 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a concrete introduction to a number of topics in harmonic analysis, accessible at the early graduate level or, in some cases, at an upper undergraduate level. Necessary prerequisites to using the text are rudiments of the Lebesgue measure and integration on the real line. It begins with a thorough treatment of Fourier series on the circle and their applications to approximation theory, probability, and plane geometry (the isoperimetric theorem). Frequently, more than one proof is offered for a given theorem to illustrate the multiplicity of approaches. The second chapter treats the Fourier transform on Euclidean spaces, especially the author's results in the three-dimensional piecewise smooth case, which is distinct from the classical Gibbs–Wilbraham phenomenon of one-dimensional Fourier analysis. The Poisson summation formula treated in Chapter 3 provides an elegant connection between Fourier series on the circle and Fourier transforms on the real line, culminating in Landau's asymptotic formulas for lattice points on a large sphere. Much of modern harmonic analysis is concerned with the behavior of various linear operators on the Lebesgue spaces $L^p(mathbb{R}^n)$. Chapter 4 gives a gentle introduction to these results, using the Riesz–Thorin theorem and the Marcinkiewicz interpolation formula. One of the long-time users of Fourier analysis is probability theory. In Chapter 5 the central limit theorem, iterated log theorem, and Berry–Esseen theorems are developed using the suitable Fourier-analytic tools. The final chapter furnishes a gentle introduction to wavelet theory, depending only on the $L_2$ theory of the Fourier transform (the Plancherel theorem). The basic notions of scale and location parameters demonstrate the flexibility of the wavelet approach to harmonic analysis. The text contains numerous examples and more than 200 exercises, each located in close proximity to the related theoretical material.

Functions with Disconnected Spectrum

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Author : Alexander M. Olevskii
Publisher : American Mathematical Soc.
ISBN 13 : 147042889X
Total Pages : 152 pages
Book Rating : 4.4/5 (74 download)

Book Synopsis Functions with Disconnected Spectrum by : Alexander M. Olevskii

Download or read book Functions with Disconnected Spectrum written by Alexander M. Olevskii and published by American Mathematical Soc.. This book was released on 2016-06-13 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: The classical sampling problem is to reconstruct entire functions with given spectrum S from their values on a discrete set L. From the geometric point of view, the possibility of such reconstruction is equivalent to determining for which sets L the exponential system with frequencies in L forms a frame in the space L2(S). The book also treats the problem of interpolation of discrete functions by analytic ones with spectrum in S and the problem of completeness of discrete translates. The size and arithmetic structure of both the spectrum S and the discrete set L play a crucial role in these problems. After an elementary introduction, the authors give a new presentation of classical results due to Beurling, Kahane, and Landau. The main part of the book focuses on recent progress in the area, such as construction of universal sampling sets, high-dimensional and non-analytic phenomena. The reader will see how methods of harmonic and complex analysis interplay with various important concepts in different areas, such as Minkowski's lattice, Kolmogorov's width, and Meyer's quasicrystals. The book is addressed to graduate students and researchers interested in analysis and its applications. Due to its many exercises, mostly given with hints, the book could be useful for undergraduates.

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

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

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.

Measure Theory

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Author : D. H. Fremlin
Publisher : Torres Fremlin
ISBN 13 : 0953812944
Total Pages : 967 pages
Book Rating : 4.9/5 (538 download)

Book Synopsis Measure Theory by : D. H. Fremlin

Download or read book Measure Theory written by D. H. Fremlin and published by Torres Fremlin. This book was released on 2000 with total page 967 pages. Available in PDF, EPUB and Kindle. Book excerpt: