Spectral Theory Of Linear Operators And Spectral Systems In Banach Algebras
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Spectral Theory of Linear Operators and Spectral Systems in Banach Algebras
Author | : Vladimir Müller |
Publsiher | : Birkhäuser |
Total Pages | : 390 |
Release | : 2013-11-11 |
Genre | : Mathematics |
ISBN | : 9783034877886 |
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This book is dedicated to the spectral theory of linear operators on Banach spaces and of elements in Banach algebras. It presents a survey of results concerning various types of spectra, both of single and n-tuples of elements. Typical examples are the one-sided spectra, the approximate point, essential, local and Taylor spectrum, and their variants. Many results appear here for the first time in a monograph.
Spectral Theory of Linear Operators
Author | : Henry R. Dowson |
Publsiher | : Unknown |
Total Pages | : 444 |
Release | : 1978 |
Genre | : Banach spaces |
ISBN | : UCAL:B4406582 |
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General spectral theory; Riesz operators; Hermitian operators; Prespectral operators; Well-bounded operators.
Spectral Theory of Linear Operators
Author | : Abram Iezekiilovich Plesner |
Publsiher | : Unknown |
Total Pages | : 256 |
Release | : 1969 |
Genre | : Mathematics |
ISBN | : UOM:39015017325815 |
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A Spectral Theory Of Noncommuting Operators
Author | : Rongwei Yang |
Publsiher | : Springer Nature |
Total Pages | : 277 |
Release | : 2024 |
Genre | : Electronic Book |
ISBN | : 9783031516054 |
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Spectral Theory of Multivalued Linear Operators
Author | : Aymen Ammar,Aref Jeribi |
Publsiher | : CRC Press |
Total Pages | : 284 |
Release | : 2021-09-15 |
Genre | : Mathematics |
ISBN | : 9781000293135 |
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The concept of multivalued linear operators—or linear relations—is the one of the most exciting and influential fields of research in modern mathematics. Applications of this theory can be found in economic theory, noncooperative games, artificial intelligence, medicine, and more. This new book focuses on the theory of linear relations, responding to the lack of resources exclusively dealing with the spectral theory of multivalued linear operators. The subject of this book is the study of linear relations over real or complex Banach spaces. The main purposes are the definitions and characterization of different kinds of spectra and extending the notions of spectra that are considered for the usual one single-valued operator bounded or not bounded. The volume introduces the theory of pseudospectra of multivalued linear operators. The main topics include demicompact linear relations, essential spectra of linear relation, pseudospectra, and essential pseudospectra of linear relations. The volume will be very useful for researchers since it represents not only a collection of a previously heterogeneous material but is also an innovation through several extensions. Beginning graduate students who wish to enter the field of spectral theory of multivalued linear operators will benefit from the material covered, and expert readers will also find sources of inspiration.
Spectral Theory of Block Operator Matrices and Applications
Author | : Christiane Tretter |
Publsiher | : World Scientific |
Total Pages | : 297 |
Release | : 2008 |
Genre | : Science |
ISBN | : 9781860947681 |
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This book presents new concepts in operator theory and covers classes of operators (in particular, non-selfadjoint operators) which exhibit various interesting phenomena. Special attention is paid to applications in many areas of mathematical physics, including quantum mechanics, fluid mechanics, and magnetohydrodynamics.The author also discusses an operator theoretic approach to spectral problems for linear operators admitting a certain block structure. The results apply to bounded or finite-dimensional operators like block matrices as well to unbounded operators describing systems of differential equations. New concepts of numerical range are developed.
A Guide to Spectral Theory
Author | : Christophe Cheverry,Nicolas Raymond |
Publsiher | : Springer Nature |
Total Pages | : 258 |
Release | : 2021-05-06 |
Genre | : Mathematics |
ISBN | : 9783030674625 |
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This textbook provides a graduate-level introduction to the spectral theory of linear operators on Banach and Hilbert spaces, guiding readers through key components of spectral theory and its applications in quantum physics. Based on their extensive teaching experience, the authors present topics in a progressive manner so that each chapter builds on the ones preceding. Researchers and students alike will also appreciate the exploration of more advanced applications and research perspectives presented near the end of the book. Beginning with a brief introduction to the relationship between spectral theory and quantum physics, the authors go on to explore unbounded operators, analyzing closed, adjoint, and self-adjoint operators. Next, the spectrum of a closed operator is defined and the fundamental properties of Fredholm operators are introduced. The authors then develop the Grushin method to execute the spectral analysis of compact operators. The chapters that follow are devoted to examining Hille-Yoshida and Stone theorems, the spectral analysis of self-adjoint operators, and trace-class and Hilbert-Schmidt operators. The final chapter opens the discussion to several selected applications. Throughout this textbook, detailed proofs are given, and the statements are illustrated by a number of well-chosen examples. At the end, an appendix about foundational functional analysis theorems is provided to help the uninitiated reader. A Guide to Spectral Theory: Applications and Exercises is intended for graduate students taking an introductory course in spectral theory or operator theory. A background in linear functional analysis and partial differential equations is assumed; basic knowledge of bounded linear operators is useful but not required. PhD students and researchers will also find this volume to be of interest, particularly the research directions provided in later chapters.
An Introduction to Local Spectral Theory
Author | : K. B. Laursen,Michael Neumann |
Publsiher | : Oxford University Press |
Total Pages | : 610 |
Release | : 2000 |
Genre | : Mathematics |
ISBN | : 0198523815 |
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Modern local spectral theory is built on the classical spectral theorem, a fundamental result in single-operator theory and Hilbert spaces. This book provides an in-depth introduction to the natural expansion of this fascinating topic of Banach space operator theory. It gives complete coverage of the field, including the fundamental recent work by Albrecht and Eschmeier which provides the full duality theory for Banach space operators. One of its highlights are the many characterizations of decomposable operators, and of other related, important classes of operators, including identifications of distinguished parts, and results on permanence properties of spectra with respect to several types of similarity. Written in a careful and detailed style, it contains numerous examples, many simplified proofs of classical results, extensive references, and open problems, suitable for continued research.