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Topics in functional analysis and applications
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ISBN: 0470210508 Year: 1989 Publisher: New York Wiley

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Functional analysis
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ISBN: 0486662896 9780486662893 Year: 1990 Publisher: New York Dover publications

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Funktionalanalysis
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ISBN: 3411014342 9783411014347 Year: 1974 Volume: 9 Publisher: Mannheim : Bibliographisches Institut,

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Book
Theory of Np Spaces
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ISBN: 9783031397042 Year: 2023 Publisher: Cham Springer Nature Switzerland :Imprint: Birkhäuser

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This monograph provides a comprehensive study of a typical and novel function space, known as the $mathcal{N}_p$ spaces. These spaces are Banach and Hilbert spaces of analytic functions on the open unit disk and open unit ball, and the authors also explore composition operators and weighted composition operators on these spaces. The book covers a significant portion of the recent research on these spaces, making it an invaluable resource for those delving into this rapidly developing area. The authors introduce various weighted spaces, including the classical Hardy space $H^2$, Bergman space $B^2$, and Dirichlet space $mathcal{D}$. By offering generalized definitions for these spaces, readers are equipped to explore further classes of Banach spaces such as Bloch spaces $mathcal{B}^p$ and Bergman-type spaces $A^p$. Additionally, the authors extend their analysis beyond the open unit disk $mathbb{D}$ and open unit ball $mathbb{B}$ by presenting families of entire functions in the complex plane $mathbb{C}$ and in higher dimensions. The Theory of $mathcal{N}_p$ Spaces is an ideal resource for researchers and PhD students studying spaces of analytic functions and operators within these spaces.


Book
Function Spaces and Operators between them
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ISBN: 9783031416026 3031416023 3031416015 Year: 2023 Publisher: Cham : Springer Nature Switzerland : Imprint: Springer,

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The aim of this work is to present, in a unified and reasonably self-contained way, certain aspects of functional analysis which are needed to treat function spaces whose topology is not derived from a single norm, their topological duals and operators between those spaces. We treat spaces of continuous, analytic and smooth functions as well as sequence spaces. Operators of differentiation, integration, composition, multiplication and partial differential operators between those spaces are studied. A brief introduction to Laurent Schwartz’s theory of distributions and to Lars Hörmander’s approach to linear partial differential operators is presented. The novelty of our approach lies mainly on two facts. First of all, we show all these topics together in an accessible way, stressing the connection between them. Second, we keep it always at a level that is accessible to beginners and young researchers. Moreover, parts of the book might be of interest for researchers in functional analysis and operator theory. Our aim is not to build and describe a whole, complete theory, but to serve as an introduction to some aspects that we believe are interesting. We wish to guide any reader that wishes to enter in some of these topics in their first steps. Our hope is that they learn interesting aspects of functional analysis and become interested to broaden their knowledge about function and sequence spaces and operators between them. The text is addressed to students at a master level, or even undergraduate at the last semesters, since only knowledge on real and complex analysis is assumed. We have intended to be as self-contained as possible, and wherever an external citation is needed, we try to be as precise as we can. Our aim is to be an introduction to topics in, or connected with, different aspects of functional analysis. Many of them are in some sense classical, but we tried to show a unified direct approach; some others are new. This is why parts of these lectures might be of some interest even for researchers in related areas of functional analysis or operator theory. There is a full chapter about transitive and mean ergodic operators on locally convex spaces. This material is new in book form. It is a novel approach and can be of interest for researchers in the area.


Book
Linear analysis : an introductory course
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ISBN: 9780521383011 0521383013 0521387299 9780521387293 Year: 1990 Publisher: Cambridge [England] ; New York : Cambridge University Press,

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Book
Capacity as a sublinear functional generalizing an integral
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Year: 1971 Publisher: København : Munksgaard,

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Book
Theory of Np Spaces
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ISBN: 3031397037 3031397045 Year: 2023 Publisher: Cham : Springer Nature Switzerland : Imprint: Birkhäuser,

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This monograph provides a comprehensive study of a typical and novel function space, known as the $mathcal{N}_p$ spaces. These spaces are Banach and Hilbert spaces of analytic functions on the open unit disk and open unit ball, and the authors also explore composition operators and weighted composition operators on these spaces. The book covers a significant portion of the recent research on these spaces, making it an invaluable resource for those delving into this rapidly developing area. The authors introduce various weighted spaces, including the classical Hardy space $H^2$, Bergman space $B^2$, and Dirichlet space $mathcal{D}$. By offering generalized definitions for these spaces, readers are equipped to explore further classes of Banach spaces such as Bloch spaces $mathcal{B}^p$ and Bergman-type spaces $A^p$. Additionally, the authors extend their analysis beyond the open unit disk $mathbb{D}$ and open unit ball $mathbb{B}$ by presenting families of entire functions in the complex plane $mathbb{C}$ and in higher dimensions. The Theory of $mathcal{N}_p$ Spaces is an ideal resource for researchers and PhD students studying spaces of analytic functions and operators within these spaces.


Book
Lineare Funktionalanalysis : Eine anwendungsorientierte Einführung
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ISBN: 3540341870 Year: 2006 Publisher: Berlin, Heidelberg : Springer Berlin Heidelberg : Imprint: Springer,

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"Die lineare Funktionalanalysis ist ein weitgehend kanonisiertes Teilgebiet der Mathematik, das in seiner Synthese von Algebra, Topologie und Analysis von großem ästhetischem Reiz ist. Das vorliegende Buch gibt eine geschlossene, geschickt aufgebaute und gut geschriebene Einführung in dieses Gebiet, die auch die erforderlichen Kenntnisse aus der Maßtheorie ... [in eigenen Anhängen] bereitstellt." (Internationale Mathematische Nachrichten) Das Buch ist besonders geeignet für Leser, die schnell zu den zentralen Aussagen vorstoßen wollen. Es enthält die vollständigen Beweise aller mathematischen Sätze und darüberhinaus zahlreiche Aufgaben, die meisten mit Lösungen. Für die nun vorliegende fünfte Auflage wurde das Buch nochmals überarbeitet und wird damit zu einem Standardwerk auf dem Gebiet der Funktionalanalysis, wobei es sich insbesondere an Leser richtet, die an Anwendungen auf Differentialgleichungen interessiert sind.


Book
Lineare Funktionalanalysis : Eine anwendungsorientierte Einführung
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ISBN: 3642222617 Year: 2012 Publisher: Berlin, Heidelberg : Springer Berlin Heidelberg : Imprint: Springer,

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"Die lineare Funktionalanalysis ist ein weitgehend kanonisiertes Teilgebiet der Mathematik, das in seiner Synthese von Algebra, Topologie und Analysis von großem ästhetischem Reiz ist. Das vorliegende Buch gibt eine geschlossene, geschickt aufgebaute und gut geschriebene Einführung in dieses Gebiet, die auch die erforderlichen Kenntnisse aus der Maßtheorie ... [in eigenen Anhängen] bereitstellt." (Internationale Mathematische Nachrichten) Das Buch ist besonders geeignet für Leser, die schnell zu den zentralen Aussagen vorstoßen wollen. Es enthält die vollständigen Beweise aller mathematischen Sätze und darüberhinaus zahlreiche Aufgaben, die meisten mit Lösungen. Für die nun vorliegende sechste Auflage wurde das Buch nochmals überarbeitet und wird damit zu einem Standardwerk auf dem Gebiet der Funktionalanalysis, wobei es sich insbesondere an Leser richtet, die an Anwendungen auf Differentialgleichungen interessiert sind.

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