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Book
Commutative Algebras of Toeplitz Operators on the Bergman Space

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Abstract

This book is devoted to the spectral theory of commutative C*-algebras of Toeplitz operators on the Bergman space and its applications. For each such commutative algebra there is a unitary operator which reduces Toeplitz operators from this algebra to certain multiplication operators, thus providing their spectral type representations. This yields a powerful research tool giving direct access to the majority of the important properties of the Toeplitz operators studied herein, such as boundedness, compactness, spectral properties, invariant subspaces. The presence and exploitation of these spectral type representations forms the core for many results presented in the book. Among other results it contains a criterion of when the algebras are commutative on each commonly considered weighted Bergman space together with their explicit descriptions; a systematic study of Toeplitz operators with unbounded symbols; a clarification of the difference between compactness of commutators and semi-commutators of Toeplitz operators; the theory of Toeplitz and related operators with symbols having more than two limit values at boundary points; and a kind of semi-classical analysis of spectral properties of Toeplitz operators. The book is addressed to a wide audience of mathematicians, from graduate students to researchers, whose primary interests lie in complex analysis and operator theory.


Book
Nonlinear Parabolic-Hyperbolic Coupled Systems and Their Attractors
Authors: --- --- --- --- --- et al.
ISBN: 9783764388140 Year: 2008 Publisher: Basel Birkhäuser Basel

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This book is designed to present some recent results on some nonlinear parabolic-hyp- bolic coupled systems arising from physics, mechanics and material science such as the compressible Navier-Stokes equations, thermo(visco)elastic systems and elastic systems. Some of the content of this book is based on research carried out by the author and his collaborators in recent years. Most of it has been previously published only in original papers,andsomeofthematerialhasneverbeenpublisheduntilnow.Therefore,theauthor hopes that the book will bene?t both the interested beginner in the ?eld and the expert. AllthemodelsunderconsiderationinChapters2-10arebuiltonnonlinearevolution equations that are parabolic-hyperbolic coupled systems of partial differential equations with time t as one of the independentvariables. This type of partial differential equations arises not only in many ?elds of mathematics, but also in other branches of science such as physics, mechanics and materials science, etc. For example, some models studied in this book, such as the compressible Navier-Stokes equations (a 1D heat conductive v- cous real gas and a polytropic ideal gas) from ?uid mechanics, and thermo(visco)elastic systemsfrommaterialsscience, are typicalexamplesof nonlinearevolutionaryequations. It is well known that the properties of solutions to nonlinear parabolic-hyperbolic coupledsystems are very different from those of parabolicor hyperbolicequations. Since the 1970s,more andmore mathematicianshave begunto focustheir interests onthe study of local well-posedness, global well-posedness and blow-up of solutions in a ?nite time.


Digital
Commutative Algebras of Toeplitz Operators on the Bergman Space

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Digital
Nonlinear Parabolic-Hyperbolic Coupled Systems and Their Attractors
Authors: --- --- --- --- --- et al.
ISBN: 9783764388140 Year: 2008 Publisher: Basel Birkhäuser Basel

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Digital
Methods of Spectral Analysis in Mathematical Physics : Conference on Operator Theory, Analysis and Mathematical Physics (OTAMP) 2006, Lund, Sweden
Authors: --- --- --- --- --- et al.
ISBN: 9783764387556 Year: 2009 Publisher: Basel Birkhäuser Basel

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Digital
Recent Advances in Operator Theory and Applications
Authors: --- --- --- --- --- et al.
ISBN: 9783764388935 Year: 2009 Publisher: Basel Birkhäuser Basel

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