Theory of Commuting Nonselfadjoint Operators

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ISBN 13 :
Total Pages : 318 pages
Book Rating : 4.:/5 (132 download)

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Book Synopsis Theory of Commuting Nonselfadjoint Operators by : Moshe S. Livšic

Download or read book Theory of Commuting Nonselfadjoint Operators written by Moshe S. Livšic and published by . This book was released on 1995 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: Considering integral transformations of Volterra type, F. Riesz and B. Sz.-Nagy no ticed in 1952 that [49]: "The existence of such a variety of linear transformations, having the same spectrum concentrated at a single point, brings out the difficulties of characterization of linear transformations of general type by means of their spectra." Subsequently, spectral analysis has been developed for different classes of non selfadjoint operators [6,7,14,20,21,36,44,46,54]. It was then realized that this analysis forms a natural basis for the theory of systems interacting with the environment. The success of this theory in the single operator case inspired attempts to create a general theory in the much more complicated case of several commuting operators with finite-dimensional imaginary parts. During the past 10-15 years such a theory has been developed, yielding fruitful connections with algebraic geometry and sys tem theory. Our purpose in this book is to formulate the basic problems appearing in this theory and to present its main results. It is worth noting that, in addition to the joint spectrum, the corresponding algebraic variety and its global topological characteristics play an important role in the classification of commuting operators. For the case of a pair of operators these are: 1. The corresponding algebraic curve, and especially its genus. 2. Certain classes of divisors - or certain line bundles - on this curve.

Theory of Commuting Nonselfadjoint Operators

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Publisher : Springer Science & Business Media
ISBN 13 : 940158561X
Total Pages : 329 pages
Book Rating : 4.4/5 (15 download)

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Book Synopsis Theory of Commuting Nonselfadjoint Operators by : M.S. Livsic

Download or read book Theory of Commuting Nonselfadjoint Operators written by M.S. Livsic and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt: Considering integral transformations of Volterra type, F. Riesz and B. Sz.-Nagy no ticed in 1952 that [49]: "The existence of such a variety of linear transformations, having the same spectrum concentrated at a single point, brings out the difficulties of characterization of linear transformations of general type by means of their spectra." Subsequently, spectral analysis has been developed for different classes of non selfadjoint operators [6,7,14,20,21,36,44,46,54]. It was then realized that this analysis forms a natural basis for the theory of systems interacting with the environment. The success of this theory in the single operator case inspired attempts to create a general theory in the much more complicated case of several commuting operators with finite-dimensional imaginary parts. During the past 10-15 years such a theory has been developed, yielding fruitful connections with algebraic geometry and sys tem theory. Our purpose in this book is to formulate the basic problems appearing in this theory and to present its main results. It is worth noting that, in addition to the joint spectrum, the corresponding algebraic variety and its global topological characteristics play an important role in the classification of commuting operators. For the case of a pair of operators these are: 1. The corresponding algebraic curve, and especially its genus. 2. Certain classes of divisors - or certain line bundles - on this curve.

Commuting Nonselfadjoint Operators in Hilbert Space

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Publisher : Springer
ISBN 13 : 3540478779
Total Pages : 116 pages
Book Rating : 4.5/5 (44 download)

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Book Synopsis Commuting Nonselfadjoint Operators in Hilbert Space by : Moshe S. Livsic

Download or read book Commuting Nonselfadjoint Operators in Hilbert Space written by Moshe S. Livsic and published by Springer. This book was released on 2006-11-15 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: Classification of commuting non-selfadjoint operators is one of the most challenging problems in operator theory even in the finite-dimensional case. The spectral analysis of dissipative operators has led to a series of deep results in the framework of unitary dilations and characteristic operator functions. It has turned out that the theory has to be based on analytic functions on algebraic manifolds and not on functions of several independent variables as was previously believed. This follows from the generalized Cayley-Hamilton Theorem, due to M.S.Livsic: "Two commuting operators with finite dimensional imaginary parts are connected in the generic case, by a certain algebraic equation whose degree does not exceed the dimension of the sum of the ranges of imaginary parts." Such investigations have been carried out in two directions. One of them, presented by L.L.Waksman, is related to semigroups of projections of multiplication operators on Riemann surfaces. Another direction, which is presented here by M.S.Livsic is based on operator colligations and collective motions of systems. Every given wave equation can be obtained as an external manifestation of collective motions. The algebraic equation mentioned above is the corresponding dispersion law of the input-output waves.

Operator Theory, System Theory and Related Topics

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Publisher : Birkhäuser
ISBN 13 : 3034882475
Total Pages : 568 pages
Book Rating : 4.0/5 (348 download)

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Book Synopsis Operator Theory, System Theory and Related Topics by : Daniel Alpay

Download or read book Operator Theory, System Theory and Related Topics written by Daniel Alpay and published by Birkhäuser. This book was released on 2012-12-06 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents the refereed proceedings of the Conference in Operator The ory in Honour of Moshe Livsic 80th Birthday, held June 29 to July 4, 1997, at the Ben-Gurion University of the Negev (Beer-Sheva, Israel) and at the Weizmann In stitute of Science (Rehovot, Israel). The volume contains papers in operator theory and its applications (understood in a very wide sense), many of them reflecting, 1 directly or indirectly, a profound impact of the work of Moshe Livsic. Moshe (Mikhail Samuilovich) Livsic was born on July 4, 1917, in the small town of Pokotilova near Uman, in the province of Kiev in the Ukraine; his family moved to Odessa when he was four years old. In 1933 he enrolled in the Department of Physics and Mathematics at the Odessa State University, where he became a student of M. G. Krein and an active participant in Krein's seminar - one of the centres where the ideas and methods of functional analysis and operator theory were being developed. Besides M. G. Krein, M. S. Livsic was strongly influenced B. Va. Levin, an outstanding specialist in the theory of analytic functions. A by deep understanding of operator theory as well as function theory and a penetrating search of connections between the two, were to become one of the landmarks of M. S. Livsic's work. M. S. Livsic defended his Ph. D.

Operator Theory and Complex Analysis

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Publisher : Springer Science & Business Media
ISBN 13 : 9783764328245
Total Pages : 436 pages
Book Rating : 4.3/5 (282 download)

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Book Synopsis Operator Theory and Complex Analysis by : J. K. Aggarwal

Download or read book Operator Theory and Complex Analysis written by J. K. Aggarwal and published by Springer Science & Business Media. This book was released on 1993-01-22 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents a set of papers based on the proceedings of the NATO Advanced Research Workshop on Multisensor Fusion for Computer Vision, held in Grenoble, France, in June 1989. The workshop focused on the fusion or integration of sensor information to achieve the optimum interpretation of a scene. The papers cover a broad range of topics, including principles and issues in multisensor fusion, information fusion for navigation, multisensor fusion for object recognition, network approaches to multisensor fusion, computer architectures for multisensor fusion, and applications of multisensor fusion. The authors have documented their own research and, in so doing,have presented the state of the art in the field. Each author is a recognized leader in his or her area in the academic, governmental, or industrial research community. Several contributors present novel points of view on the integration of information. The book gives a representative picture of current progress in multisensor fusion for computer vision among the leading research groups in Europe and North America.

Operator Theory and Complex Analysis

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Publisher : Birkhäuser
ISBN 13 : 3034886063
Total Pages : 417 pages
Book Rating : 4.0/5 (348 download)

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Book Synopsis Operator Theory and Complex Analysis by : T. Ando

Download or read book Operator Theory and Complex Analysis written by T. Ando and published by Birkhäuser. This book was released on 2012-12-06 with total page 417 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Commuting Nonselfadjoint Operators in Hilbert Space

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Publisher :
ISBN 13 : 9783662163139
Total Pages : 124 pages
Book Rating : 4.1/5 (631 download)

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Book Synopsis Commuting Nonselfadjoint Operators in Hilbert Space by : Moshe S. Livsic

Download or read book Commuting Nonselfadjoint Operators in Hilbert Space written by Moshe S. Livsic and published by . This book was released on 2014-01-15 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Encyclopaedia of Mathematics, Supplement III

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Publisher : Springer Science & Business Media
ISBN 13 : 0306483734
Total Pages : 564 pages
Book Rating : 4.3/5 (64 download)

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Book Synopsis Encyclopaedia of Mathematics, Supplement III by : Michiel Hazewinkel

Download or read book Encyclopaedia of Mathematics, Supplement III written by Michiel Hazewinkel and published by Springer Science & Business Media. This book was released on 2007-11-23 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the third supplementary volume to Kluwer's highly acclaimed twelve-volume Encyclopaedia of Mathematics. This additional volume contains nearly 500 new entries written by experts and covers developments and topics not included in the previous volumes. These entries are arranged alphabetically throughout and a detailed index is included. This supplementary volume enhances the existing twelve volumes, and together, these thirteen volumes represent the most authoritative, comprehensive and up-to-date Encyclopaedia of Mathematics available.

Nonselfadjoint Operators and Related Topics

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Publisher : Birkhäuser
ISBN 13 : 3034885229
Total Pages : 433 pages
Book Rating : 4.0/5 (348 download)

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Book Synopsis Nonselfadjoint Operators and Related Topics by : A. Feintuch

Download or read book Nonselfadjoint Operators and Related Topics written by A. Feintuch and published by Birkhäuser. This book was released on 2012-12-06 with total page 433 pages. Available in PDF, EPUB and Kindle. Book excerpt: Our goal is to find Grabner bases for polynomials in four different sets of expressions: 1 x- , (1 - x)-1 (RESOL) X, 1 x- (1 - xy)-1 (EB) X, , y-1, (1-yx)-1 y, (1_y)-1 (1-x)-1 (preNF) (EB) plus and (1 - xy)1/2 (1 - yx )1/2 (NF) (preNF) plus and Most formulas in the theory of the Nagy-Foias operator model [NF] are polynomials in these expressions where x = T and y = T*. Complicated polynomials can often be simplified by applying "replacement rules". For example, the polynomial (1 - xy)-2 - 2xy(1-xy)-2 + xy2 (1 - xy)-2 -1 simplifies to O. This can be seen by three applications of the replacement rule (1-xy) -1 xy -t (1 - xy)-1 -1 which is true because of the definition of (1-xy)-1. A replacement rule consists of a left hand side (LHS) and a right hand side (RHS). The LHS will always be a monomial. The RHS will be a polynomial whose terms are "simpler" (in a sense to be made precise) than the LHS. An expression is reduced by repeatedly replacing any occurrence of a LHS by the corresponding RHS. The monomials will be well-ordered, so the reduction procedure will terminate after finitely many steps. Our aim is to provide a list of substitution rules for the classes of expressions above. These rules, when implemented on a computer, provide an efficient automatic simplification process. We discuss and define the ordering on monomials later.

Introduction to the Theory of Linear Nonselfadjoint Operators

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Publisher : American Mathematical Soc.
ISBN 13 : 9780821886502
Total Pages : 402 pages
Book Rating : 4.8/5 (865 download)

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Book Synopsis Introduction to the Theory of Linear Nonselfadjoint Operators by : Israel Gohberg

Download or read book Introduction to the Theory of Linear Nonselfadjoint Operators written by Israel Gohberg and published by American Mathematical Soc.. This book was released on 1978 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Operator Theory, Systems Theory and Scattering Theory: Multidimensional Generalizations

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Publisher : Springer Science & Business Media
ISBN 13 : 3764373032
Total Pages : 312 pages
Book Rating : 4.7/5 (643 download)

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Book Synopsis Operator Theory, Systems Theory and Scattering Theory: Multidimensional Generalizations by : Daniel Alpay

Download or read book Operator Theory, Systems Theory and Scattering Theory: Multidimensional Generalizations written by Daniel Alpay and published by Springer Science & Business Media. This book was released on 2006-03-30 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains a selection of papers, from experts in the area, on multidimensional operator theory. Topics considered include the non-commutative case, function theory in the polydisk, hyponormal operators, hyperanalytic functions, and holomorphic deformations of linear differential equations. Operator Theory, Systems Theory and Scattering Theory will be of interest to a wide audience of pure and applied mathematicians, electrical engineers and theoretical physicists.

New Results in Operator Theory and Its Applications

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Publisher : Birkhäuser
ISBN 13 : 3034889100
Total Pages : 269 pages
Book Rating : 4.0/5 (348 download)

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Book Synopsis New Results in Operator Theory and Its Applications by : Israel Gohberg

Download or read book New Results in Operator Theory and Its Applications written by Israel Gohberg and published by Birkhäuser. This book was released on 2012-12-06 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is dedicated to the memory of Israel Glazman, an outstanding personality and distinguished mathematician, the author of many remarkable papers and books in operator theory and its applications. The present book opens with an essay devoted to Glazman's life and scientific achievements. It focusses on the areas of his unusually wide interests and consists of 18 mathematical papers in spectral theory of differential operators and linear operators in Hilbert and Banach spaces, analytic operator functions, ordinary and partial differential equations, functional equations, mathematical physics, nonlinear functional analysis, approximation theory and optimization, and mathematical statistics. The book gives a picture of the current state of some important problems in areas of operator theory and its applications and will be of interest to a wide group of researchers working in pure and applied mathematics.

Holomorphic Spaces

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Publisher : Cambridge University Press
ISBN 13 : 9780521631938
Total Pages : 490 pages
Book Rating : 4.6/5 (319 download)

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Book Synopsis Holomorphic Spaces by : Sheldon Jay Axler

Download or read book Holomorphic Spaces written by Sheldon Jay Axler and published by Cambridge University Press. This book was released on 1998-05-28 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt: Expository articles describing the role Hardy spaces, Bergman spaces, Dirichlet spaces, and Hankel and Toeplitz operators play in modern analysis.

Topics in Operator Theory and Interpolation

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Publisher : Birkhäuser
ISBN 13 : 3034891628
Total Pages : 240 pages
Book Rating : 4.0/5 (348 download)

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Book Synopsis Topics in Operator Theory and Interpolation by : I. Gohberg

Download or read book Topics in Operator Theory and Interpolation written by I. Gohberg and published by Birkhäuser. This book was released on 2012-12-06 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Analysis as a Tool in Mathematical Physics

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Publisher : Springer Nature
ISBN 13 : 3030315312
Total Pages : 627 pages
Book Rating : 4.0/5 (33 download)

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Book Synopsis Analysis as a Tool in Mathematical Physics by : Pavel Kurasov

Download or read book Analysis as a Tool in Mathematical Physics written by Pavel Kurasov and published by Springer Nature. This book was released on 2020-07-14 with total page 627 pages. Available in PDF, EPUB and Kindle. Book excerpt: Boris Pavlov (1936-2016), to whom this volume is dedicated, was a prominent specialist in analysis, operator theory, and mathematical physics. As one of the most influential members of the St. Petersburg Mathematical School, he was one of the founders of the Leningrad School of Non-self-adjoint Operators. This volume collects research papers originating from two conferences that were organized in memory of Boris Pavlov: “Spectral Theory and Applications”, held in Stockholm, Sweden, in March 2016, and “Operator Theory, Analysis and Mathematical Physics – OTAMP2016” held at the Euler Institute in St. Petersburg, Russia, in August 2016. The volume also includes water-color paintings by Boris Pavlov, some personal photographs, as well as tributes from friends and colleagues.

Mathematical Systems Theory in Biology, Communications, Computation and Finance

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Publisher : Springer Science & Business Media
ISBN 13 : 0387216960
Total Pages : 508 pages
Book Rating : 4.3/5 (872 download)

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Book Synopsis Mathematical Systems Theory in Biology, Communications, Computation and Finance by : Joachim Rosenthal

Download or read book Mathematical Systems Theory in Biology, Communications, Computation and Finance written by Joachim Rosenthal and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains survey and research articles by some of the leading researchers in mathematical systems theory - a vibrant research area in its own right. Many authors have taken special care that their articles are self-contained and accessible also to non-specialists.

The Schur Algorithm, Reproducing Kernel Spaces and System Theory

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Publisher : American Mathematical Soc.
ISBN 13 : 9780821821558
Total Pages : 162 pages
Book Rating : 4.8/5 (215 download)

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Book Synopsis The Schur Algorithm, Reproducing Kernel Spaces and System Theory by : Daniel Alpay

Download or read book The Schur Algorithm, Reproducing Kernel Spaces and System Theory written by Daniel Alpay and published by American Mathematical Soc.. This book was released on 2001 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: The class of Schur functions consists of analytic functions on the unit disk that are bounded by $1$. The Schur algorithm associates to any such function a sequence of complex constants, which is much more useful than the Taylor coefficients. There is a generalization to matrix-valued functions and a corresponding algorithm. These generalized Schur functions have important applications to the theory of linear operators, to signal processing and control theory, and to other areas of engineering. In this book, Alpay looks at matrix-valued Schur functions and their applications from the unifying point of view of spaces with reproducing kernels. This approach is used here to study the relationship between the modeling of time-invariant dissipative linear systems and the theory of linear operators. The inverse scattering problem plays a key role in the exposition. The point of view also allows for a natural way to tackle more general cases, such as nonstationary systems, non-positive metrics, and pairs of commuting nonself-adjoint operators. This is the English translation of a volume originally published in French by the Societe Mathematique de France. Translated by Stephen S. Wilson.