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Title: Harmonic Analysis of Operators on Hilbert Space by Béla Sz.-Nagy, Ciprian Foias, Hari Bercovici, László Kérchy.
Universitext
Universitext
Author: Sz.-Nagy, Béla.
Foias, Ciprian.
Bercovici, Hari.
Kérchy, László.
SpringerLink (Online service)
General Notes: Preface -- Contractions and their dilations -- Properties of unitary dilations -- Functional calculus -- Extended functional calculus -- Operator valued analytic functions -- Functional models -- Regular factorizations and invariant subspaces -- Weak contractions -- The structure of C_{\cdot0} contractions -- The structire of Operators of class C_0 -- Further results -- Bibliography -- Author Index -- Subject index -- Notation index. .
The existence of unitary dilations makes it possible to study arbitrary contractions on a Hilbert space using the tools of harmonic analysis.  The first edition of this book was an account of the progress done in this direction in 1950-70.  Since then, this work has influenced many other areas of mathematics, most notably interpolation theory and control theory. This second edition, in addition to revising and amending the original text, focuses on further developments of the theory.  Specifically, the last two chapters of the book continue and complete the study of two operator classes: operators whose powers do not converge strongly to zero, and operators whose functional calculus (as introduced in Chapter III) is not injective.  For both of these classes, a wealth of material on structure, classification and invariant subspaces is included in Chapters IX and X.  Several chapters conclude with a sketch of other developments related with (and developing) the material of the first edition.

Publisher: Springer New York,
Publication Place: New York, NY :
ISBN: 9781441960948
Subject: Mathematics.
Harmonic analysis.
Operator theory.
Mathematics.
Abstract Harmonic Analysis.
Operator theory.
Series: Universitext
Universitext
Edition: 2.
Contents: Preface -- Contractions and their dilations -- Properties of unitary dilations -- Functional calculus -- Extended functional calculus -- Operator valued analytic functions -- Functional models -- Regular factorizations and invariant subspaces -- Weak contractions -- The structure of C_{\cdot0} contractions -- The structire of Operators of class C_0 -- Further results -- Bibliography -- Author Index -- Subject index -- Notation index. .

Physical Description: XIII, 474p. 1 illus. digital.

Electronic Location: http://dx.doi.org/10.1007/978-1-4419-6094-8

Publication Date: 2010.

	Agency:	Collection:	Call No.:	Item Type:	Status:	Barcode:	Media Type:
	JUST Main Library	Electronic Resources	QA403-403.3	No Circulation	Available Online	-574531	Book