Natural Function Algebras

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Natural Function Algebras

Author : Charles E. Rickart
Publisher : Springer Science & Business Media
ISBN 13 : 1461380707
Total Pages : 252 pages
Book Rating : 4.4/5 (613 download)

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Book Synopsis Natural Function Algebras by : Charles E. Rickart

Download or read book Natural Function Algebras written by Charles E. Rickart and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: The term "function algebra" usually refers to a uniformly closed algebra of complex valued continuous functions on a compact Hausdorff space. Such Banach alge bras, which are also called "uniform algebras", have been much studied during the past 15 or 20 years. Since the most important examples of uniform algebras consist of, or are built up from, analytic functions, it is not surprising that most of the work has been dominated by questions of analyticity in one form or another. In fact, the study of these special algebras and their generalizations accounts for the bulk of the re search on function algebras. We are concerned here, however, with another facet of the subject based on the observation that very general algebras of continuous func tions tend to exhibit certain properties that are strongly reminiscent of analyticity. Although there exist a variety of well-known properties of this kind that could be mentioned, in many ways the most striking is a local maximum modulus principle proved in 1960 by Hugo Rossi [RIl]. This result, one of the deepest and most elegant in the theory of function algebras, is an essential tool in the theory as we have developed it here. It holds for an arbitrary Banaeh algebra of £unctions defined on the spectrum (maximal ideal space) of the algebra. These are the algebras, along with appropriate generalizations to algebras defined on noncompact spaces, that we call "natural func tion algebras".

Introduction to Banach Spaces and Algebras

Author : Graham R. Allan
Publisher : Oxford University Press
ISBN 13 : 0199206538
Total Pages : 380 pages
Book Rating : 4.1/5 (992 download)

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Book Synopsis Introduction to Banach Spaces and Algebras by : Graham R. Allan

Download or read book Introduction to Banach Spaces and Algebras written by Graham R. Allan and published by Oxford University Press. This book was released on 2011 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: A timely graduate level text in an active field covering functional analysis, with an emphasis on Banach algebras.

Abstract Linear Algebra

Author : Morton L. Curtis
Publisher : Springer Science & Business Media
ISBN 13 : 1441987649
Total Pages : 175 pages
Book Rating : 4.4/5 (419 download)

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Book Synopsis Abstract Linear Algebra by : Morton L. Curtis

Download or read book Abstract Linear Algebra written by Morton L. Curtis and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: Intended for a first course on the subject, this text begins from scratch and develops the standard topics of Linear Algebra. Its progresses simply towards its ultimate goal, the Theorem of Hurwitz, which argues that the only normed algebras over the real numbers are the real numbers, the complex numbers, the quaternions, and the octonions. The book stresses the complete logical development of the subject.

Harmonic Functions on Groups and Fourier Algebras

Author : Cho-Ho Chu
Publisher : Springer
ISBN 13 : 3540477934
Total Pages : 113 pages
Book Rating : 4.5/5 (44 download)

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Book Synopsis Harmonic Functions on Groups and Fourier Algebras by : Cho-Ho Chu

Download or read book Harmonic Functions on Groups and Fourier Algebras written by Cho-Ho Chu and published by Springer. This book was released on 2004-10-11 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research monograph introduces some new aspects to the theory of harmonic functions and related topics. The authors study the analytic algebraic structures of the space of bounded harmonic functions on locally compact groups and its non-commutative analogue, the space of harmonic functionals on Fourier algebras. Both spaces are shown to be the range of a contractive projection on a von Neumann algebra and therefore admit Jordan algebraic structures. This provides a natural setting to apply recent results from non-associative analysis, semigroups and Fourier algebras. Topics discussed include Poisson representations, Poisson spaces, quotients of Fourier algebras and the Murray-von Neumann classification of harmonic functionals.

Introduction to Banach Algebras, Operators, and Harmonic Analysis

Author : H. Garth Dales
Publisher : Cambridge University Press
ISBN 13 : 9780521535847
Total Pages : 338 pages
Book Rating : 4.5/5 (358 download)

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Book Synopsis Introduction to Banach Algebras, Operators, and Harmonic Analysis by : H. Garth Dales

Download or read book Introduction to Banach Algebras, Operators, and Harmonic Analysis written by H. Garth Dales and published by Cambridge University Press. This book was released on 2003-11-13 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: Table of contents

Concrete Functional Calculus

Author : R. M. Dudley
Publisher : Springer Science & Business Media
ISBN 13 : 1441969500
Total Pages : 675 pages
Book Rating : 4.4/5 (419 download)

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Book Synopsis Concrete Functional Calculus by : R. M. Dudley

Download or read book Concrete Functional Calculus written by R. M. Dudley and published by Springer Science & Business Media. This book was released on 2010-11-03 with total page 675 pages. Available in PDF, EPUB and Kindle. Book excerpt: Concrete Functional Calculus focuses primarily on differentiability of some nonlinear operators on functions or pairs of functions. This includes composition of two functions, and the product integral, taking a matrix- or operator-valued coefficient function into a solution of a system of linear differential equations with the given coefficients. In this book existence and uniqueness of solutions are proved under suitable assumptions for nonlinear integral equations with respect to possibly discontinuous functions having unbounded variation. Key features and topics: Extensive usage of p-variation of functions, and applications to stochastic processes. This work will serve as a thorough reference on its main topics for researchers and graduate students with a background in real analysis and, for Chapter 12, in probability.

Discourses on Algebra

Author : Igor R. Shafarevich
Publisher : Springer Science & Business Media
ISBN 13 : 3642563252
Total Pages : 288 pages
Book Rating : 4.6/5 (425 download)

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Book Synopsis Discourses on Algebra by : Igor R. Shafarevich

Download or read book Discourses on Algebra written by Igor R. Shafarevich and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using various examples this monograph shows that algebra is one of the most beautiful forms of mathematics. In doing so, it explains the basics of algebra, number theory, set theory and probability. The text presupposes very limited knowledge of mathematics, making it an ideal read for anybody new to the subject. The author, I.R. Shafarevich, is well-known across the world as one of the most outstanding mathematicians of this century as well as one of the most respected mathematical writers.

Proceedings of the Conference on Banach Algebras and Several Complex Variables

Author : Frederick P. Greenleaf
Publisher : American Mathematical Soc.
ISBN 13 : 0821850342
Total Pages : 312 pages
Book Rating : 4.8/5 (218 download)

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Book Synopsis Proceedings of the Conference on Banach Algebras and Several Complex Variables by : Frederick P. Greenleaf

Download or read book Proceedings of the Conference on Banach Algebras and Several Complex Variables written by Frederick P. Greenleaf and published by American Mathematical Soc.. This book was released on 1984 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contains papers presented at the conference on Banach Algebras and Several Complex Variables held June 21-24, 1983, to honor Professor Charles E Rickart upon his retirement from Yale University. This work includes articles that present advances in topics related to Banach algebras, function algebras and infinite dimensional holomorphy.

Algebras of Linear Transformations

Author : Douglas R. Farenick
Publisher : Springer Science & Business Media
ISBN 13 : 1461300975
Total Pages : 247 pages
Book Rating : 4.4/5 (613 download)

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Book Synopsis Algebras of Linear Transformations by : Douglas R. Farenick

Download or read book Algebras of Linear Transformations written by Douglas R. Farenick and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 247 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book studies algebras and linear transformations acting on finite-dimensional vector spaces over arbitrary fields. It is written for readers who have prior knowledge of algebra and linear algebra. The goal is to present a balance of theory and example in order for readers to gain a firm understanding of the basic theory of finite-dimensional algebras and to provide a foundation for subsequent advanced study in a number of areas of mathematics.

C*-Algebras by Example

Author : Kenneth R. Davidson
Publisher : American Mathematical Society, Fields Institute
ISBN 13 : 1470475081
Total Pages : 325 pages
Book Rating : 4.4/5 (74 download)

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Book Synopsis C*-Algebras by Example by : Kenneth R. Davidson

Download or read book C*-Algebras by Example written by Kenneth R. Davidson and published by American Mathematical Society, Fields Institute. This book was released on 2023-10-04 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: The subject of C*-algebras received a dramatic revitalization in the 1970s by the introduction of topological methods through the work of Brown, Douglas, and Fillmore on extensions of C*-algebras and Elliott's use of $K$-theory to provide a useful classification of AF algebras. These results were the beginning of a marvelous new set of tools for analyzing concrete C*-algebras. This book is an introductory graduate level text which presents the basics of the subject through a detailed analysis of several important classes of C*-algebras. The development of operator algebras in the last twenty years has been based on a careful study of these special classes. While there are many books on C*-algebras and operator algebras available, this is the first one to attempt to explain the real examples that researchers use to test their hypotheses. Topics include AF algebras, Bunce–Deddens and Cuntz algebras, the Toeplitz algebra, irrational rotation algebras, group C*-algebras, discrete crossed products, abelian C*-algebras (spectral theory and approximate unitary equivalence) and extensions. It also introduces many modern concepts and results in the subject such as real rank zero algebras, topological stable rank, quasidiagonality, and various new constructions. These notes were compiled during the author's participation in the special year on C*-algebras at The Fields Institute for Research in Mathematical Sciences during the 1994–1995 academic year. The field of C*-algebras touches upon many other areas of mathematics such as group representations, dynamical systems, physics, $K$-theory, and topology. The variety of examples offered in this text expose the student to many of these connections. Graduate students with a solid course in functional analysis should be able to read this book. This should prepare them to read much of the current literature. This book is reasonably self-contained, and the author has provided results from other areas when necessary.

Idempotent Matrices over Complex Group Algebras

Author : Ioannis Emmanouil
Publisher : Springer Science & Business Media
ISBN 13 : 3540279911
Total Pages : 288 pages
Book Rating : 4.5/5 (42 download)

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Book Synopsis Idempotent Matrices over Complex Group Algebras by : Ioannis Emmanouil

Download or read book Idempotent Matrices over Complex Group Algebras written by Ioannis Emmanouil and published by Springer Science & Business Media. This book was released on 2005-12-19 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: The theory of idempotent matrices with entries in complex group algebras has recently experienced a revival, in view of its close relationship with deep geometric problems and conjectures. The relevant questions studied in this book for general groups are motivated by specific examples. A variety of techniques is employed from commutative algebra, homological algebra and functional analysis.The book can serve as an introduction to this lively research area. The pace is suitable for independent study and the level of the presentation not very demanding. The exercises at the end of each chapter form an essential part of the book.

Uniform Fréchet Algebras

Author : H. Goldmann
Publisher : Elsevier
ISBN 13 : 0080872735
Total Pages : 371 pages
Book Rating : 4.0/5 (88 download)

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Book Synopsis Uniform Fréchet Algebras by : H. Goldmann

Download or read book Uniform Fréchet Algebras written by H. Goldmann and published by Elsevier. This book was released on 1990-04-17 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first part of this monograph is an elementary introduction to the theory of Fréchet algebras. Important examples of Fréchet algebras, which are among those considered, are the algebra of all holomorphic functions on a (hemicompact) reduced complex space, and the algebra of all continuous functions on a suitable topological space.The problem of finding analytic structure in the spectrum of a Fréchet algebra is the subject of the second part of the book. In particular, the author pays attention to function algebraic characterizations of certain Stein algebras (= algebras of holomorphic functions on Stein spaces) within the class of Fréchet algebras.

Notes on Lie Algebras

Author : Hans Samelson
Publisher : Springer Science & Business Media
ISBN 13 : 1461390141
Total Pages : 172 pages
Book Rating : 4.4/5 (613 download)

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Book Synopsis Notes on Lie Algebras by : Hans Samelson

Download or read book Notes on Lie Algebras written by Hans Samelson and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: (Cartan sub Lie algebra, roots, Weyl group, Dynkin diagram, . . . ) and the classification, as found by Killing and Cartan (the list of all semisimple Lie algebras consists of (1) the special- linear ones, i. e. all matrices (of any fixed dimension) with trace 0, (2) the orthogonal ones, i. e. all skewsymmetric ma trices (of any fixed dimension), (3) the symplectic ones, i. e. all matrices M (of any fixed even dimension) that satisfy M J = - J MT with a certain non-degenerate skewsymmetric matrix J, and (4) five special Lie algebras G2, F , E , E , E , of dimensions 14,52,78,133,248, the "exceptional Lie 4 6 7 s algebras" , that just somehow appear in the process). There is also a discus sion of the compact form and other real forms of a (complex) semisimple Lie algebra, and a section on automorphisms. The third chapter brings the theory of the finite dimensional representations of a semisimple Lie alge bra, with the highest or extreme weight as central notion. The proof for the existence of representations is an ad hoc version of the present standard proof, but avoids explicit use of the Poincare-Birkhoff-Witt theorem. Complete reducibility is proved, as usual, with J. H. C. Whitehead's proof (the first proof, by H. Weyl, was analytical-topological and used the exis tence of a compact form of the group in question). Then come H.

Banach Function Algebras, Arens Regularity, and BSE Norms

Author : Harold Garth Dales
Publisher : Springer Nature
ISBN 13 : 3031445325
Total Pages : 452 pages
Book Rating : 4.0/5 (314 download)

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Book Synopsis Banach Function Algebras, Arens Regularity, and BSE Norms by : Harold Garth Dales

Download or read book Banach Function Algebras, Arens Regularity, and BSE Norms written by Harold Garth Dales and published by Springer Nature. This book was released on with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Function Algebras

Author : Frank T. Birtel
Publisher :
ISBN 13 :
Total Pages : 376 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Function Algebras by : Frank T. Birtel

Download or read book Function Algebras written by Frank T. Birtel and published by . This book was released on 1966 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: These Proceedings contain articles based on the invited addresses, submitted abstracts, and informal discussions at the International Symposium on Function Algebras held at Tulane University during April 19-24, 1965, under the joint sponsorship of the National Science Foundation (Contract No. GP-3438) and the Office of Naval Research (Contract No. NRO43-326). Research problems which appear in the Appendix were formulated and discussed on the final day of the Symposium. The term Function Algebras appearing in the title is used in its general, not its technical sense. Perhaps the more generic usage, Algebras of Functions, is advisable, but it seems pedantic to insist upon this fine semantic distinction. Thus the reader is cautioned. Within a given article, Function Algebra frequently means sup norm algebra or uniform algebra: a uniformly closed separating subalgebra of the continuous complex valued functions with 1 on a compact Hausdorff space. In titles the term is frequently used to indicate any algebra which consists of functions.

Abstract Algebra and Famous Impossibilities

Author : Arthur Jones
Publisher : Springer Science & Business Media
ISBN 13 : 1441985522
Total Pages : 191 pages
Book Rating : 4.4/5 (419 download)

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Book Synopsis Abstract Algebra and Famous Impossibilities by : Arthur Jones

Download or read book Abstract Algebra and Famous Impossibilities written by Arthur Jones and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 191 pages. Available in PDF, EPUB and Kindle. Book excerpt: The famous problems of squaring the circle, doubling the cube and trisecting an angle captured the imagination of both professional and amateur mathematicians for over two thousand years. Despite the enormous effort and ingenious attempts by these men and women, the problems would not yield to purely geometrical methods. It was only the development. of abstract algebra in the nineteenth century which enabled mathematicians to arrive at the surprising conclusion that these constructions are not possible. In this book we develop enough abstract algebra to prove that these constructions are impossible. Our approach introduces all the relevant concepts about fields in a way which is more concrete than usual and which avoids the use of quotient structures (and even of the Euclidean algorithm for finding the greatest common divisor of two polynomials). Having the geometrical questions as a specific goal provides motivation for the introduction of the algebraic concepts and we have found that students respond very favourably. We have used this text to teach second-year students at La Trobe University over a period of many years, each time refining the material in the light of student performance.

Linear Algebra and Linear Models

Author : Ravindra B. Bapat
Publisher : Springer Science & Business Media
ISBN 13 : 038722601X
Total Pages : 145 pages
Book Rating : 4.3/5 (872 download)

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Book Synopsis Linear Algebra and Linear Models by : Ravindra B. Bapat

Download or read book Linear Algebra and Linear Models written by Ravindra B. Bapat and published by Springer Science & Business Media. This book was released on 2008-01-18 with total page 145 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a rigorous introduction to the basic aspects of the theory of linear estimation and hypothesis testing, covering the necessary prerequisites in matrices, multivariate normal distribution and distributions of quadratic forms along the way. It will appeal to advanced undergraduate and first-year graduate students, research mathematicians and statisticians.