Operator Theory And Boundary Eigenvalue Problems

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Operator Theory and Boundary Eigenvalue Problems

Author : I. Gohberg
Publisher : Birkhäuser
ISBN 13 : 3034891067
Total Pages : 327 pages
Book Rating : 4.0/5 (348 download)

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Book Synopsis Operator Theory and Boundary Eigenvalue Problems by : I. Gohberg

Download or read book Operator Theory and Boundary Eigenvalue Problems written by I. Gohberg and published by Birkhäuser. This book was released on 2012-12-06 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Workshop on Operator Theory and Boundary Eigenvalue Problems was held at the Technical University, Vienna, Austria, July 27 to 30, 1993. It was the seventh workshop in the series of IWOTA (International Workshops on Operator Theory and Applications). The main topics at the workshop were interpolation problems and analytic matrix functions, operator theory in spaces with indefinite scalar products, boundary value problems for differential and functional-differential equations and systems theory and control. The workshop covered different aspects, starting with abstract operator theory up to contrete applications. The papers in these proceedings provide an accurate cross section of the lectures presented at the workshop. This book will be of interest to a wide group of pure and applied mathematicians.

Operator Theory and Boundary Eigenvalue Problems

Author : Israel Gohberg
Publisher : Birkhauser
ISBN 13 : 9780817652753
Total Pages : 313 pages
Book Rating : 4.6/5 (527 download)

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Book Synopsis Operator Theory and Boundary Eigenvalue Problems by : Israel Gohberg

Download or read book Operator Theory and Boundary Eigenvalue Problems written by Israel Gohberg and published by Birkhauser. This book was released on 1995 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Operator Theory and Its Applications

Author : Alexander G. Ramm
Publisher : American Mathematical Soc.
ISBN 13 : 0821819909
Total Pages : 594 pages
Book Rating : 4.8/5 (218 download)

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Book Synopsis Operator Theory and Its Applications by : Alexander G. Ramm

Download or read book Operator Theory and Its Applications written by Alexander G. Ramm and published by American Mathematical Soc.. This book was released on 2000 with total page 594 pages. Available in PDF, EPUB and Kindle. Book excerpt: Together with the papers on the abstract operator theory are many papers on the theory of differential operators, boundary value problems, inverse scattering and other inverse problems, and on applications to biology, chemistry, wave propagation, and many other areas."--BOOK JACKET.

Multiparameter Eigenvalue Problems and Expansion Theorems

Author : Hans Volkmer
Publisher : Springer
ISBN 13 : 3540460152
Total Pages : 164 pages
Book Rating : 4.5/5 (44 download)

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Book Synopsis Multiparameter Eigenvalue Problems and Expansion Theorems by : Hans Volkmer

Download or read book Multiparameter Eigenvalue Problems and Expansion Theorems written by Hans Volkmer and published by Springer. This book was released on 2006-11-14 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a self-contained treatment of two of the main problems of multiparameter spectral theory: the existence of eigenvalues and the expansion in series of eigenfunctions. The results are first obtained in abstract Hilbert spaces and then applied to integral operators and differential operators. Special attention is paid to various definiteness conditions which can be imposed on multiparameter eigenvalue problems. The reader is not assumed to be familiar with multiparameter spectral theory but should have some knowledge of functional analysis, in particular of Brower's degree of maps.

Operator Theory in Krein Spaces and Nonlinear Eigenvalue Problems

Author : Karl-Heinz Förster
Publisher : Springer Science & Business Media
ISBN 13 : 3764374535
Total Pages : 307 pages
Book Rating : 4.7/5 (643 download)

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Book Synopsis Operator Theory in Krein Spaces and Nonlinear Eigenvalue Problems by : Karl-Heinz Förster

Download or read book Operator Theory in Krein Spaces and Nonlinear Eigenvalue Problems written by Karl-Heinz Förster and published by Springer Science & Business Media. This book was released on 2006-03-16 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains a collection of recent original research papers in operator theory in Krein spaces, on generalized Nevanlinna functions, which are closely connected with this theory, and on nonlinear eigenvalue problems. Key topics include: spectral theory for normal operators; perturbation theory for self-adjoint operators in Krein spaces; and, models for generalized Nevanlinna functions.

Generalized Inverse Operators

Author : Alexander Andreevych Boichuk
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110378442
Total Pages : 314 pages
Book Rating : 4.1/5 (13 download)

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Book Synopsis Generalized Inverse Operators by : Alexander Andreevych Boichuk

Download or read book Generalized Inverse Operators written by Alexander Andreevych Boichuk and published by Walter de Gruyter GmbH & Co KG. This book was released on 2016-08-22 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is devoted to the foundations of the theory of boundary-value problems for various classes of systems of differential-operator equations whose linear part is represented by Fredholm operators of the general form. A common point of view on numerous classes of problems that were traditionally studied independently of each other enables us to study, in a natural way, the theory of these problems, to supplement and improve the existing results, and in certain cases, study some of these problems for the first time. With the help of the technique of generalized inverse operators, the Vishik– Lyusternik method, and iterative methods, we perform a detailed investigation of the problems of existence, bifurcations, and branching of the solutions of linear and nonlinear boundary-value problems for various classes of differential-operator systems and propose new procedures for their construction. For more than 11 years that have passed since the appearance of the first edition of the monograph, numerous new publications of the authors in this direction have appeared. In this connection, it became necessary to make some additions and corrections to the previous extensively cited edition, which is still of signifi cant interest for the researchers. For researchers, teachers, post-graduate students, and students of physical and mathematical departments of universities. Contents: Preliminary Information Generalized Inverse Operators in Banach Spaces Pseudoinverse Operators in Hilbert Spaces Boundary-Value Problems for Operator Equations Boundary-Value Problems for Systems of Ordinary Differential Equations Impulsive Boundary-Value Problems for Systems of Ordinary Differential Equations Solutions of Differential and Difference Systems Bounded on the Entire Real Axis

Operator Methods for Boundary Value Problems

Author : Seppo Hassi
Publisher : Cambridge University Press
ISBN 13 : 1139561316
Total Pages : 297 pages
Book Rating : 4.1/5 (395 download)

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Book Synopsis Operator Methods for Boundary Value Problems by : Seppo Hassi

Download or read book Operator Methods for Boundary Value Problems written by Seppo Hassi and published by Cambridge University Press. This book was released on 2012-10-11 with total page 297 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presented in this volume are a number of new results concerning the extension theory and spectral theory of unbounded operators using the recent notions of boundary triplets and boundary relations. This approach relies on linear single-valued and multi-valued maps, isometric in a Krein space sense, and offers a basic framework for recent developments in system theory. Central to the theory are analytic tools such as Weyl functions, including Titchmarsh-Weyl m-functions and Dirichlet-to-Neumann maps. A wide range of topics is considered in this context from the abstract to the applied, including boundary value problems for ordinary and partial differential equations; infinite-dimensional perturbations; local point-interactions; boundary and passive control state/signal systems; extension theory of accretive, sectorial and symmetric operators; and Calkin's abstract boundary conditions. This accessible treatment of recent developments, written by leading researchers, will appeal to a broad range of researchers, students and professionals.

Non-Self-Adjoint Boundary Eigenvalue Problems

Author : R. Mennicken
Publisher : Elsevier
ISBN 13 : 0080537731
Total Pages : 519 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Non-Self-Adjoint Boundary Eigenvalue Problems by : R. Mennicken

Download or read book Non-Self-Adjoint Boundary Eigenvalue Problems written by R. Mennicken and published by Elsevier. This book was released on 2003-06-26 with total page 519 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph provides a comprehensive treatment of expansion theorems for regular systems of first order differential equations and n-th order ordinary differential equations. In 10 chapters and one appendix, it provides a comprehensive treatment from abstract foundations to applications in physics and engineering. The focus is on non-self-adjoint problems. Bounded operators are associated to these problems, and Chapter 1 provides an in depth investigation of eigenfunctions and associated functions for bounded Fredholm valued operators in Banach spaces. Since every n-th order differential equation is equivalent to a first order system, the main techniques are developed for systems. Asymptotic fundamental systems are derived for a large class of systems of differential equations. Together with boundary conditions, which may depend polynomially on the eigenvalue parameter, this leads to the definition of Birkhoff and Stone regular eigenvalue problems. An effort is made to make the conditions relatively easy verifiable; this is illustrated with several applications in chapter 10. The contour integral method and estimates of the resolvent are used to prove expansion theorems. For Stone regular problems, not all functions are expandable, and again relatively easy verifiable conditions are given, in terms of auxiliary boundary conditions, for functions to be expandable. Chapter 10 deals exclusively with applications; in nine sections, various concrete problems such as the Orr-Sommerfeld equation, control of multiple beams, and an example from meteorology are investigated. Key features: • Expansion Theorems for Ordinary Differential Equations • Discusses Applications to Problems from Physics and Engineering • Thorough Investigation of Asymptotic Fundamental Matrices and Systems • Provides a Comprehensive Treatment • Uses the Contour Integral Method • Represents the Problems as Bounded Operators • Investigates Canonical Systems of Eigen- and Associated Vectors for Operator Functions

Perturbation Theory of Eigenvalue Problems

Author : Franz Rellich
Publisher : CRC Press
ISBN 13 : 9780677006802
Total Pages : 144 pages
Book Rating : 4.0/5 (68 download)

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Book Synopsis Perturbation Theory of Eigenvalue Problems by : Franz Rellich

Download or read book Perturbation Theory of Eigenvalue Problems written by Franz Rellich and published by CRC Press. This book was released on 1969 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Extremum Problems for Eigenvalues of Elliptic Operators

Author : Antoine Henrot
Publisher : Springer Science & Business Media
ISBN 13 : 3764377062
Total Pages : 205 pages
Book Rating : 4.7/5 (643 download)

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Book Synopsis Extremum Problems for Eigenvalues of Elliptic Operators by : Antoine Henrot

Download or read book Extremum Problems for Eigenvalues of Elliptic Operators written by Antoine Henrot and published by Springer Science & Business Media. This book was released on 2006-08-29 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on extremal problems. For instance, it seeks a domain which minimizes or maximizes a given eigenvalue of the Laplace operator with various boundary conditions and various geometric constraints. Also considered is the case of functions of eigenvalues. The text probes similar questions for other elliptic operators, such as Schrodinger, and explores optimal composites and optimal insulation problems in terms of eigenvalues.

Operator Theory

Author : Sergei G. Pyatkov
Publisher : Walter de Gruyter
ISBN 13 : 3110900165
Total Pages : 364 pages
Book Rating : 4.1/5 (19 download)

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Book Synopsis Operator Theory by : Sergei G. Pyatkov

Download or read book Operator Theory written by Sergei G. Pyatkov and published by Walter de Gruyter. This book was released on 2013-02-18 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph describes mathematical methods applicable to studying nonclassical problems of mathematical physics. The emphasis of the book is on applications of the interpolar theory of Banach spaces to the theory of linear operators to be expotentially dichotomous, to some continuity properties of linear operators in Hilbert scales, to the Riesz basis property of eigenelements and associated elements of linear pencils and the correspondending elliptic problems with indefinite weight functions, and to studying nonclassical boundary value problems for first order operator-differential equations.

Theory of Singular Boundary Value Problems

Author : Donal O'Regan
Publisher : World Scientific
ISBN 13 : 9810217609
Total Pages : 173 pages
Book Rating : 4.8/5 (12 download)

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Book Synopsis Theory of Singular Boundary Value Problems by : Donal O'Regan

Download or read book Theory of Singular Boundary Value Problems written by Donal O'Regan and published by World Scientific. This book was released on 1994 with total page 173 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book surveys some topics in the rapidly developing areas of regular and singular boundary value problems. It also provides a detailed account of the current state of the literature on existence theory for ordinary differential equations. Results are presented for finite and semi-infinite intervals. Singularities in both independent and dependent variables are discussed.

On Spectral Theory of Elliptic Operators

Author : Youri Egorov
Publisher : Springer Science & Business Media
ISBN 13 : 9783764353902
Total Pages : 194 pages
Book Rating : 4.3/5 (539 download)

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Book Synopsis On Spectral Theory of Elliptic Operators by : Youri Egorov

Download or read book On Spectral Theory of Elliptic Operators written by Youri Egorov and published by Springer Science & Business Media. This book was released on 1996-07-30 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is well known that a wealth of problems of different nature, applied as well as purely theoretic, can be reduced to the study of elliptic equations and their eigen-values. During the years many books and articles have been published on this topic, considering spectral properties of elliptic differential operators from different points of view. This is one more book on these properties. This book is devoted to the study of some classical problems of the spectral theory of elliptic differential equations. The reader will find hardly any intersections with the books of Shubin [Sh] or Rempel-Schulze [ReSch] or with the works cited there. This book also has no general information in common with the books by Egorov and Shubin [EgShu], which also deal with spectral properties of elliptic operators. There is nothing here on oblique derivative problems; the reader will meet no pseudodifferential operators. The main subject of the book is the estimates of eigenvalues, especially of the first one, and of eigenfunctions of elliptic operators. The considered problems have in common the approach consisting of the application of the variational principle and some a priori estimates, usually in Sobolev spaces. In many cases, impor tant for physics and mechanics, as well as for geometry and analysis, this rather elementary approach allows one to obtain sharp results.

Non-Self-Adjoint Boundary Eigenvalue Problems

Author : R. Mennicken
Publisher : Gulf Professional Publishing
ISBN 13 : 9780444514479
Total Pages : 536 pages
Book Rating : 4.5/5 (144 download)

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Book Synopsis Non-Self-Adjoint Boundary Eigenvalue Problems by : R. Mennicken

Download or read book Non-Self-Adjoint Boundary Eigenvalue Problems written by R. Mennicken and published by Gulf Professional Publishing. This book was released on 2003-06-26 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 'North-Holland Mathematics Studies' series comprises a set of cutting-edge monographs and studies. This volume explores non-self-adjoint boundary eigenvalue problems for first order systems of ordinary differential equations and n-th order scalar differential equations.

Differential and Integral Operators

Author : Israel C. Gohberg
Publisher : Birkhäuser
ISBN 13 : 3034887892
Total Pages : 333 pages
Book Rating : 4.0/5 (348 download)

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Book Synopsis Differential and Integral Operators by : Israel C. Gohberg

Download or read book Differential and Integral Operators written by Israel C. Gohberg and published by Birkhäuser. This book was released on 2012-12-06 with total page 333 pages. Available in PDF, EPUB and Kindle. Book excerpt: This and the next volume of the OT series contain the proceedings of the Work shop on Operator Theory and its Applications, IWOTA 95, which was held at the University of Regensburg, Germany, July 31 to August 4, 1995. It was the eigth workshop of this kind. Following is a list of the seven previous workshops with reference to their proceedings: 1981 Operator Theory (Santa Monica, California, USA) 1983 Applications of Linear Operator Theory to Systems and Networks (Rehovot, Israel), OT 12 1985 Operator Theory and its Applications (Amsterdam, The Netherlands), OT 19 1987 Operator Theory and Functional Analysis (Mesa, Arizona, USA), OT 35 1989 Matrix and Operator Theory (Rotterdam, The Netherlands), OT 50 1991 Operator Theory and Complex Analysis (Sapporo, Japan), OT 59 1993 Operator Theory and Boundary Eigenvalue Problems (Vienna, Austria), OT 80 IWOTA 95 offered a rich programme on a wide range of latest developments in operator theory and its applications. The programme consisted of 6 invited plenary lectures, 54 invited special topic lectures and more than 100 invited session talks. About 180 participants from 25 countries attended the workshop, more than a third came from Eastern Europe. The conference covered different aspects of linear and nonlinear spectral prob lems, starting with problems for abstract operators up to spectral theory of ordi nary and partial differential operators, pseudodifferential operators, and integral operators. The workshop was also focussed on operator theory in spaces with indefinite metric, operator functions, interpolation and extension problems.

Operator Theory for Electromagnetics

Author : George W. Hanson
Publisher : Springer Science & Business Media
ISBN 13 : 9780387952789
Total Pages : 658 pages
Book Rating : 4.9/5 (527 download)

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Book Synopsis Operator Theory for Electromagnetics by : George W. Hanson

Download or read book Operator Theory for Electromagnetics written by George W. Hanson and published by Springer Science & Business Media. This book was released on 2001-10-12 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text discusses electromagnetics from the view of operator theory, in a manner more commonly seen in textbooks of quantum mechanics. It includes a self-contained introduction to operator theory, presenting definitions and theorems, plus proofs of the theorems when these are simple or enlightening.

Parabolic Boundary Value Problems

Author : Samuil D. Eidelman
Publisher : Birkhäuser
ISBN 13 : 3034887671
Total Pages : 307 pages
Book Rating : 4.0/5 (348 download)

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Book Synopsis Parabolic Boundary Value Problems by : Samuil D. Eidelman

Download or read book Parabolic Boundary Value Problems written by Samuil D. Eidelman and published by Birkhäuser. This book was released on 2012-12-06 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present monograph is devoted to the theory of general parabolic boundary value problems. The vastness of this theory forced us to take difficult decisions in selecting the results to be presented and in determining the degree of detail needed to describe their proofs. In the first chapter we define the basic notions at the origin of the theory of parabolic boundary value problems and give various examples of illustrative and descriptive character. The main part of the monograph (Chapters II to V) is devoted to a the detailed and systematic exposition of the L -theory of parabolic 2 boundary value problems with smooth coefficients in Hilbert spaces of smooth functions and distributions of arbitrary finite order and with some natural appli cations of the theory. Wishing to make the monograph more informative, we included in Chapter VI a survey of results in the theory of the Cauchy problem and boundary value problems in the traditional spaces of smooth functions. We give no proofs; rather, we attempt to compare different results and techniques. Special attention is paid to a detailed analysis of examples illustrating and complementing the results for mulated. The chapter is written in such a way that the reader interested only in the results of the classical theory of the Cauchy problem and boundary value problems may concentrate on it alone, skipping the previous chapters.