C*-algebra Extensions and K-homology PDF Download
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Author: Ronald G. Douglas
Publisher: Princeton University Press
ISBN: 9780691082660
Category : Mathematics
Languages : en
Pages : 112
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Book Description
Recent developments in diverse areas of mathematics suggest the study of a certain class of extensions of C*-algebras. Here, Ronald Douglas uses methods from homological algebra to study this collection of extensions. He first shows that equivalence classes of the extensions of the compact metrizable space X form an abelian group Ext (X). Second, he shows that the correspondence X ⃗ Ext (X) defines a homotopy invariant covariant functor which can then be used to define a generalized homology theory. Establishing the periodicity of order two, the author shows, following Atiyah, that a concrete realization of K-homology is obtained.
Author: Ronald G. Douglas
Publisher: Princeton University Press
ISBN: 9780691082660
Category : Mathematics
Languages : en
Pages : 112
Get Book Here
Book Description
Recent developments in diverse areas of mathematics suggest the study of a certain class of extensions of C*-algebras. Here, Ronald Douglas uses methods from homological algebra to study this collection of extensions. He first shows that equivalence classes of the extensions of the compact metrizable space X form an abelian group Ext (X). Second, he shows that the correspondence X ⃗ Ext (X) defines a homotopy invariant covariant functor which can then be used to define a generalized homology theory. Establishing the periodicity of order two, the author shows, following Atiyah, that a concrete realization of K-homology is obtained.
Author: Ronald G. Douglas
Publisher: Princeton University Press
ISBN: 1400881463
Category : Mathematics
Languages : en
Pages : 96
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Book Description
Recent developments in diverse areas of mathematics suggest the study of a certain class of extensions of C*-algebras. Here, Ronald Douglas uses methods from homological algebra to study this collection of extensions. He first shows that equivalence classes of the extensions of the compact metrizable space X form an abelian group Ext (X). Second, he shows that the correspondence X ⃗ Ext (X) defines a homotopy invariant covariant functor which can then be used to define a generalized homology theory. Establishing the periodicity of order two, the author shows, following Atiyah, that a concrete realization of K-homology is obtained.
Author: M. Rørdam
Publisher: Cambridge University Press
ISBN: 9780521789448
Category : Mathematics
Languages : en
Pages : 260
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Book Description
This book provides a very elementary introduction to K-theory for C*-algebras, and is ideal for beginning graduate students.
Author: Ronald G. Douglas
Publisher: American Mathematical Soc.
ISBN: 0821850113
Category : Mathematics
Languages : en
Pages : 214
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Book Description
Author: Heath Emerson
Publisher: Springer Nature
ISBN: 3031598504
Category :
Languages : en
Pages : 548
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Book Description
Author: Niels Erik Wegge-Olsen
Publisher: Oxford University Press on Demand
ISBN: 9780198596943
Category : Mathematics
Languages : en
Pages : 370
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Book Description
K-theory is often considered a complicated mathematical theory for specialists only. This book is an accessible introduction to the basics and provides detailed explanations of the various concepts required for a deeper understanding of the subject. Some familiarity with basic C*algebra theory is assumed. The book then follows a careful construction and analysis of the operator K-theory groups and proof of the results of K-theory, including Bott periodicity. Of specific interest to algebraists and geometrists, the book aims to give full instruction. No details are left out in the presentation and many instructive and generously hinted exercises are provided. Apart from K-theory, this book offers complete and self contained expositions of important advanced C*-algebraic constructions like tensor products, multiplier algebras and Hilbert modules.
Author: B.B. Morrel
Publisher: Springer
ISBN: 354037423X
Category : Mathematics
Languages : en
Pages : 200
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Book Description
Author: Luc Vinet
Publisher: American Mathematical Soc.
ISBN: 9780821870136
Category : Mathematics
Languages : en
Pages : 508
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Book Description
Just list for purposes of NBB.
Author: Igor V. Nikolaev
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 3110788810
Category : Mathematics
Languages : en
Pages : 292
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Book Description
Noncommutative geometry studies an interplay between spatial forms and algebras with non-commutative multiplication. This book covers the key concepts of noncommutative geometry and its applications in topology, algebraic geometry, and number theory. Our presentation is accessible to the graduate students as well as nonexperts in the field. The second edition includes two new chapters on arithmetic topology and quantum arithmetic.
Author: Huaxin Lin
Publisher: World Scientific
ISBN: 9810246803
Category : Mathematics
Languages : en
Pages : 333
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Book Description
The theory and applications of C?-algebras are related to fields ranging from operator theory, group representations and quantum mechanics, to non-commutative geometry and dynamical systems. By Gelfand transformation, the theory of C?-algebras is also regarded as non-commutative topology. About a decade ago, George A. Elliott initiated the program of classification of C?-algebras (up to isomorphism) by their K-theoretical data. It started with the classification of AT-algebras with real rank zero. Since then great efforts have been made to classify amenable C?-algebras, a class of C?-algebras that arises most naturally. For example, a large class of simple amenable C?-algebras is discovered to be classifiable. The application of these results to dynamical systems has been established.This book introduces the recent development of the theory of the classification of amenable C?-algebras ? the first such attempt. The first three chapters present the basics of the theory of C?-algebras which are particularly important to the theory of the classification of amenable C?-algebras. Chapter 4 otters the classification of the so-called AT-algebras of real rank zero. The first four chapters are self-contained, and can serve as a text for a graduate course on C?-algebras. The last two chapters contain more advanced material. In particular, they deal with the classification theorem for simple AH-algebras with real rank zero, the work of Elliott and Gong. The book contains many new proofs and some original results related to the classification of amenable C?-algebras. Besides being as an introduction to the theory of the classification of amenable C?-algebras, it is a comprehensive reference for those more familiar with the subject.
