Operators Semigroups Algebras And Function Theory
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Operators Semigroups Algebras and Function Theory
Author | : Yemon Choi,Matthew Daws,Gordon Blower |
Publsiher | : Springer Nature |
Total Pages | : 262 |
Release | : 2023-12-06 |
Genre | : Mathematics |
ISBN | : 9783031380204 |
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This volume collects contributions from participants in the IWOTA conference held virtually at Lancaster, UK, originally scheduled in 2020 but postponed to August 2021. It includes both survey articles and original research papers covering some of the main themes of the meeting.
Groupoids Inverse Semigroups and their Operator Algebras
Author | : Alan Paterson |
Publsiher | : Springer Science & Business Media |
Total Pages | : 286 |
Release | : 2012-12-06 |
Genre | : Mathematics |
ISBN | : 9781461217749 |
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In recent years, it has become increasingly clear that there are important connections relating three concepts -- groupoids, inverse semigroups, and operator algebras. There has been a great deal of progress in this area over the last two decades, and this book gives a careful, up-to-date and reasonably extensive account of the subject matter. After an introductory first chapter, the second chapter presents a self-contained account of inverse semigroups, locally compact and r-discrete groupoids, and Lie groupoids. The section on Lie groupoids in chapter 2 contains a detailed discussion of groupoids particularly important in noncommutative geometry, including the holonomy groupoids of a foliated manifold and the tangent groupoid of a manifold. The representation theories of locally compact and r-discrete groupoids are developed in the third chapter, and it is shown that the C*-algebras of r-discrete groupoids are the covariance C*-algebras for inverse semigroup actions on locally compact Hausdorff spaces. A final chapter associates a universal r-discrete groupoid with any inverse semigroup. Six subsequent appendices treat topics related to those covered in the text. The book should appeal to a wide variety of professional mathematicians and graduate students in fields such as operator algebras, analysis on groupoids, semigroup theory, and noncommutative geometry. It will also be of interest to mathematicians interested in tilings and theoretical physicists whose focus is modeling quasicrystals with tilings. An effort has been made to make the book lucid and 'user friendly"; thus it should be accessible to any reader with a basic background in measure theory and functional analysis.
Semigroups of Operators Theory and Applications
Author | : A.V. Balakrishnan |
Publsiher | : Birkhäuser |
Total Pages | : 376 |
Release | : 2012-12-06 |
Genre | : Mathematics |
ISBN | : 9783034884174 |
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These Proceedings comprise the bulk of the papers presented at the Inter national Conference on Semigroups of Opemtors: Theory and Contro~ held 14-18 December 1998, Newport Beach, California, U.S.A. The intent of the Conference was to highlight recent advances in the the ory of Semigroups of Operators which provides the abstract framework for the time-domain solutions of time-invariant boundary-value/initial-value problems of partial differential equations. There is of course a firewall between the ab stract theory and the applications and one of the Conference aims was to bring together both in the hope that it may be of value to both communities. In these days when all scientific activity is judged by its value on "dot com" it is not surprising that mathematical analysis that holds no promise of an immediate commercial product-line, or even a software tool-box, is not high in research priority. We are particularly pleased therefore that the National Science Foundation provided generous financial support without which this Conference would have been impossible to organize. Our special thanks to Dr. Kishan Baheti, Program Manager.
Semigroups in Geometrical Function Theory
Author | : D. Shoikhet |
Publsiher | : Springer Science & Business Media |
Total Pages | : 231 |
Release | : 2013-03-09 |
Genre | : Mathematics |
ISBN | : 9789401596329 |
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Historically, complex analysis and geometrical function theory have been inten sively developed from the beginning of the twentieth century. They provide the foundations for broad areas of mathematics. In the last fifty years the theory of holomorphic mappings on complex spaces has been studied by many mathemati cians with many applications to nonlinear analysis, functional analysis, differential equations, classical and quantum mechanics. The laws of dynamics are usually presented as equations of motion which are written in the abstract form of a dy namical system: dx / dt + f ( x) = 0, where x is a variable describing the state of the system under study, and f is a vector function of x. The study of such systems when f is a monotone or an accretive (generally nonlinear) operator on the under lying space has been recently the subject of much research by analysts working on quite a variety of interesting topics, including boundary value problems, integral equations and evolution problems (see, for example, [19, 13] and [29]). In a parallel development (and even earlier) the generation theory of one parameter semigroups of holomorphic mappings in en has been the topic of interest in the theory of Markov stochastic processes and, in particular, in the theory of branching processes (see, for example, [63, 127, 48] and [69]).
Operator Semigroups Meet Complex Analysis Harmonic Analysis and Mathematical Physics
Author | : Wolfgang Arendt,Ralph Chill,Yuri Tomilov |
Publsiher | : Birkhäuser |
Total Pages | : 496 |
Release | : 2015-12-10 |
Genre | : Mathematics |
ISBN | : 9783319184944 |
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This proceedings volume originates from a conference held in Herrnhut in June 2013. It provides unique insights into the power of abstract methods and techniques in dealing successfully with numerous applications stemming from classical analysis and mathematical physics. The book features diverse topics in the area of operator semigroups, including partial differential equations, martingale and Hilbert transforms, Banach and von Neumann algebras, Schrödinger operators, maximal regularity and Fourier multipliers, interpolation, operator-theoretical problems (concerning generation, perturbation and dilation, for example), and various qualitative and quantitative Tauberian theorems with a focus on transfinite induction and magics of Cantor. The last fifteen years have seen the dawn of a new era for semigroup theory with the emphasis on applications of abstract results, often unexpected and far removed from traditional ones. The aim of the conference was to bring together prominent experts in the field of modern semigroup theory, harmonic analysis, complex analysis and mathematical physics, and to present the lively interactions between all of those areas and beyond. In addition, the meeting honored the sixtieth anniversary of Prof C. J. K. Batty, whose scientific achievements are an impressive illustration of the conference goal. These proceedings present contributions by prominent scientists at this international conference, which became a landmark event. They will be a valuable and inspiring source of information for graduate students and established researchers.
Operator Algebras Operator Theory and Applications
Author | : Maria Amélia Bastos,Israel Gohberg,Amarino Brites Lebre,Frank-Olme Speck |
Publsiher | : Springer Science & Business Media |
Total Pages | : 437 |
Release | : 2008-05-27 |
Genre | : Mathematics |
ISBN | : 9783764386849 |
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This book is composed of three survey lecture courses and some twenty invited research papers presented to WOAT 2006 - the International Summer School and Workshop on Operator Algebras, Operator Theory and Applications, held at Lisbon in September 2006. The volume reflects recent developments in the area of operator algebras and their interaction with research fields in complex analysis and operator theory. The book is aimed at postgraduates and researchers in these fields.
Semigroups of Linear Operators
Author | : A. C. McBride |
Publsiher | : Longman Scientific and Technical |
Total Pages | : 148 |
Release | : 1987 |
Genre | : Linear operators |
ISBN | : UCAL:B4405484 |
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Functional Analysis and Semi groups
Author | : Einar Hille,Ralph Saul Phillips |
Publsiher | : American Mathematical Soc. |
Total Pages | : 808 |
Release | : 1996-02-06 |
Genre | : Banach algebras |
ISBN | : 9780821810316 |
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Early in 1952 it became obvious that a new printing would be needed, and new advances in the theory called for extensive revision. It has been completely rewritten, mostly by Phillips, and much has been added while keeping the existing framework. Thus, the algebraic tools play a major role, and are introduced early, leading to a more satisfactory operational calculus and spectral theory. The Laplace-Stieltjes transform methods, used by Hille, have not been replaced but rather supplemented by the new tools. - Foreword.