Singular Integral Operators
Singular Integral Operators

Author: Solomon G. Mikhlin

Publisher: Springer Science & Business Media

Published: 1987

Total Pages: 530

ISBN-13: 9783540159674

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The present edition differs from the original German one mainly in the following addi tional material: weighted norm inequalities for maximal functions and singular opera tors (§ 12, Chap. XI), polysingular integral operators and pseudo-differential operators (§§ 7, 8, Chap. XII), and spline approximation methods for solving singular integral equations (§ 4, Chap. XVII). Furthermore, we added two subsections on polynomial approximation methods for singular integral equations over an interval or with dis continuous coefficients (Nos. 3.6 and 3.7, Chap. XVII). In many places we incorporated new results which, in the vast majority, are from the last five years after publishing the German edition (note that the references are enlarged by about 150 new titles). S. G. Mikhlin wrote §§ 7, 8, Chap. XII, and the other additions were drawn up by S. Prossdorf. We wish to express our deepest gratitude to Dr. A. Bottcher and Dr. R. Lehmann who together translated the text into English carefully and with remarkable expertise.

Modern Methods in Topological Vector Spaces
Modern Methods in Topological Vector Spaces

Author: Albert Wilansky

Publisher: Courier Corporation

Published: 2013-01-01

Total Pages: 324

ISBN-13: 0486493539

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"Designed for a one-year course in topological vector spaces, this text is geared toward beginning graduate students of mathematics. Topics include Banach space, open mapping and closed graph theorems, local convexity, duality, equicontinuity, operators,inductive limits, and compactness and barrelled spaces. Extensive tables cover theorems and counterexamples. Rich problem sections throughout the book. 1978 edition"--

Operator-Valued Measures and Integrals for Cone-Valued Functions
Operator-Valued Measures and Integrals for Cone-Valued Functions

Author: Walter Roth

Publisher: Springer Science & Business Media

Published: 2009-02-05

Total Pages: 370

ISBN-13: 3540875646

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Integration theory deals with extended real-valued, vector-valued, or operator-valued measures and functions, but different approaches are used for each case. This book develops a general theory of integration that simultaneously deals with all three cases.

Denjoy Integration in Abstract Spaces
Denjoy Integration in Abstract Spaces

Author: Donald W. Solomon

Publisher: American Mathematical Soc.

Published: 1969

Total Pages: 75

ISBN-13: 0821812858

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From the author's introduction: "We introduce a general method for defining Denjoy type integrals of point functions with domain in a second-countable, locally compact metric space, and range contained in an arbitrary real or complex Banach space. The general discussion given is primarily constructive in nature, with a view toward related descriptive type definitions, which are available under proper circumstances. Use is made of P. I. Romanovskiĭ's (1941) collection of sets, the members of which we refer to as 'fundamental sets'. We restrict our work to spaces on which a regular, real-valued, non-negative measure is defined. A discussion is given of some special cases of the general integral. A crucial part of this study is the differentiability of fundamental-set functions taking on values in a Banach space. We shall be interested in differentiability relative to one of the measures mentioned above. Three types of differentiation are discussed: strong differentiation, weak differentiation and pseudo-differentiation. The definition of each of these processes is a generalization of the definition of the corresponding process in more special cases."

Integral Representation Theory
Integral Representation Theory

Author: Jaroslav Lukeš

Publisher: Walter de Gruyter

Published: 2010

Total Pages: 732

ISBN-13: 3110203200

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This monograph presents the state of the art of convexity, with an emphasis to integral representation. The exposition is focused on Choquet's theory of function spaces with a link to compact convex sets. An important feature of the book is an interplay between various mathematical subjects, such as functional analysis, measure theory, descriptive set theory, Banach spaces theory and potential theory. A substantial part of the material is of fairly recent origin and many results appear in the book form for the first time. The text is self-contained and covers a wide range of applications. From the contents: Geometry of convex sets Choquet theory of function spaces Affine functions on compact convex sets Perfect classes of functions and representation of affine functions Simplicial function spaces Choquet's theory of function cones Topologies on boundaries Several results on function spaces and compact convex sets Continuous and measurable selectors Construction of function spaces Function spaces in potential theory and Dirichlet problem Applications

Pseudodifferential and Singular Integral Operators
Pseudodifferential and Singular Integral Operators

Author: Helmut Abels

Publisher: Walter de Gruyter

Published: 2011-12-23

Total Pages: 233

ISBN-13: 3110250314

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This textbook provides a self-contained and elementary introduction to the modern theory of pseudodifferential operators and their applications to partial differential equations. In the first chapters, the necessary material on Fourier transformation and distribution theory is presented. Subsequently the basic calculus of pseudodifferential operators on the n-dimensional Euclidean space is developed. In order to present the deep results on regularity questions for partial differential equations, an introduction to the theory of singular integral operators is given - which is of interest for its own. Moreover, to get a wide range of applications, one chapter is devoted to the modern theory of Besov and Bessel potential spaces. In order to demonstrate some fundamental approaches and the power of the theory, several applications to wellposedness and regularity question for elliptic and parabolic equations are presented throughout the book. The basic notation of functional analysis needed in the book is introduced and summarized in the appendix. The text is comprehensible for students of mathematics and physics with a basic education in analysis.

Convexity
Convexity

Author: Barry Simon

Publisher: Cambridge University Press

Published: 2011-05-19

Total Pages: 357

ISBN-13: 1139497596

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Convexity is important in theoretical aspects of mathematics and also for economists and physicists. In this monograph the author provides a comprehensive insight into convex sets and functions including the infinite-dimensional case and emphasizing the analytic point of view. Chapter one introduces the reader to the basic definitions and ideas that play central roles throughout the book. The rest of the book is divided into four parts: convexity and topology on infinite-dimensional spaces; Loewner's theorem; extreme points of convex sets and related issues, including the Krein–Milman theorem and Choquet theory; and a discussion of convexity and inequalities. The connections between disparate topics are clearly explained, giving the reader a thorough understanding of how convexity is useful as an analytic tool. A final chapter overviews the subject's history and explores further some of the themes mentioned earlier. This is an excellent resource for anyone interested in this central topic.

Integrals and Operators
Integrals and Operators

Author: I.E. Segal

Publisher: Springer Science & Business Media

Published: 2012-12-06

Total Pages: 387

ISBN-13: 3642666930

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TO THE SECOND EDITION Since publication of the First Edition several excellent treatments of advanced topics in analysis have appeared. However, the concentration and penetration of these treatises naturally require much in the way of technical preliminaries and new terminology and notation. There consequently remains a need for an introduction to some of these topics which would mesh with the material of the First Edition. Such an introduction could serve to exemplify the material further, while using it to shorten and simplify its presentation. It seemed particularly important as well as practical to treat briefly but cogently some of the central parts of operator algebra and higher operator theory, as these are presently represented in book form only with a degree of specialization rather beyond the immediate needs or interests of many readers. Semigroup and perturbation theory provide connections with the theory of partial differential equations. C*-algebras are important in har monic analysis and the mathematical foundations of quantum mechanics. W*-algebras (or von Neumann rings) provide an approach to the theory of multiplicity of the spectrum and some simple but key elements of the gram mar of analysis, of use in group representation theory and elsewhere. The v vi Preface to the Second Edition theory of the trace for operators on Hilbert space is both important in itself and a natural extension of earlier integration-theoretic ideas.

Measure and Integral
Measure and Integral

Author: Konrad Jacobs

Publisher: Academic Press

Published: 2014-07-10

Total Pages: 593

ISBN-13: 1483263045

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Probability and Mathematical Statistics: Measure and Integral provides information pertinent to the general mathematical notions and notations. This book discusses how the machinery of ?-extension works and how ?-content is derived from ?-measure. Organized into 16 chapters, this book begins with an overview of the classical Hahn–Banach theorem and introduces the Banach limits in the form of a major exercise. This text then presents the Daniell extension theory for positive ?-measures. Other chapters consider the transform of ?-contents and ?-measures by measurable mappings and kernels. This text is also devoted to a thorough study of the vector lattice of signed contents. This book discusses as well an abstract regularity theory and applied to the standard cases of compact, locally compact, and Polish spaces. The final chapter deals with the rudiments of the Krein–Milman theorem, along with some of their applications. This book is a valuable resource for graduate students.