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Spectral Computations for Bounded Operators

2001-02-26 Mathematics
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Release : 2001-02-26
Genre : Mathematics
Kind : eBook
Book Rating : 827/5 ( reviews)

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Book Synopsis Spectral Computations for Bounded Operators by : Mario Ahues

Download or read book Spectral Computations for Bounded Operators written by Mario Ahues. This book was released on 2001-02-26. Available in PDF, EPUB and Kindle. Book excerpt: Exact eigenvalues, eigenvectors, and principal vectors of operators with infinite dimensional ranges can rarely be found. Therefore, one must approximate such operators by finite rank operators, then solve the original eigenvalue problem approximately. Serving as both an outstanding text for graduate students and as a source of current results for

Spectral Approximation of Linear Operators

1983-01-01 Mathematics
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Release : 1983-01-01
Genre : Mathematics
Kind : eBook
Book Rating : 678/5 ( reviews)

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Book Synopsis Spectral Approximation of Linear Operators by : Francoise Chatelin

Download or read book Spectral Approximation of Linear Operators written by Francoise Chatelin. This book was released on 1983-01-01. Available in PDF, EPUB and Kindle. Book excerpt: This classic textbook provides a unified treatment of spectral approximation for closed or bounded operators as well as for matrices. Despite significant changes and advances in the field since it was first published in 1983, the book continues to form the theoretical bedrock for any computational approach to spectral theory over matrices or linear operators. This coverage of classical results is not readily available elsewhere. The text offers in-depth coverage of properties of various types of operator convergence, the spectral approximation of non-self-adjoint operators, a generalization of classical perturbation theory, and computable errors bounds and iterative refinement techniques, along with many exercises (with solutions), making it a valuable textbook for graduate students and reference manual for self-study.

Spectral Theory of Bounded Linear Operators

2020-01-30 Mathematics
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Release : 2020-01-30
Genre : Mathematics
Kind : eBook
Book Rating : 490/5 ( reviews)

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Book Synopsis Spectral Theory of Bounded Linear Operators by : Carlos S. Kubrusly

Download or read book Spectral Theory of Bounded Linear Operators written by Carlos S. Kubrusly. This book was released on 2020-01-30. Available in PDF, EPUB and Kindle. Book excerpt: This textbook introduces spectral theory for bounded linear operators by focusing on (i) the spectral theory and functional calculus for normal operators acting on Hilbert spaces; (ii) the Riesz-Dunford functional calculus for Banach-space operators; and (iii) the Fredholm theory in both Banach and Hilbert spaces. Detailed proofs of all theorems are included and presented with precision and clarity, especially for the spectral theorems, allowing students to thoroughly familiarize themselves with all the important concepts. Covering both basic and more advanced material, the five chapters and two appendices of this volume provide a modern treatment on spectral theory. Topics range from spectral results on the Banach algebra of bounded linear operators acting on Banach spaces to functional calculus for Hilbert and Banach-space operators, including Fredholm and multiplicity theories. Supplementary propositions and further notes are included as well, ensuring a wide range of topics in spectral theory are covered. Spectral Theory of Bounded Linear Operators is ideal for graduate students in mathematics, and will also appeal to a wider audience of statisticians, engineers, and physicists. Though it is mostly self-contained, a familiarity with functional analysis, especially operator theory, will be helpful.

Spectral Theory of Linear Operators

1978 Banach spaces
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Release : 1978
Genre : Banach spaces
Kind : eBook
Book Rating : /5 ( reviews)

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Book Synopsis Spectral Theory of Linear Operators by : Henry R. Dowson

Download or read book Spectral Theory of Linear Operators written by Henry R. Dowson. This book was released on 1978. Available in PDF, EPUB and Kindle. Book excerpt: General spectral theory; Riesz operators; Hermitian operators; Prespectral operators; Well-bounded operators.

A Guide to Spectral Theory

2021-05-06 Mathematics
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Release : 2021-05-06
Genre : Mathematics
Kind : eBook
Book Rating : 622/5 ( reviews)

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Book Synopsis A Guide to Spectral Theory by : Christophe Cheverry

Download or read book A Guide to Spectral Theory written by Christophe Cheverry. This book was released on 2021-05-06. Available in PDF, EPUB and Kindle. Book excerpt: 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.

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