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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.

Functional analysis. --- Functional Analysis.

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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.

Functional analysis. --- Functional Analysis.

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This volume contains papers by participants in the National Symposium on Functional Analysis, Optimization and Applications held at the University of Newcastle in March 1998. The Symposium was a joint acivity organised by the Department of Mathematics and the Centre for Integrated dynamics and Control (CIDAC), which is associated with the Department of Electrical and Computer Engineering, all at the University of Newcastle.

Functional analysis

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Functional analysis --- Nonlinear functional analysis

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This textbook presents the principles of functional analysis in a clear and concise way. The first three chapters describe the general notions of distance, integral, and norm, as well as their relations. Fundamental examples are provided in the three chapters that follow: Lebesgue spaces, dual spaces, and Sobolev spaces. Two subsequent chapters develop applications to capacity theory and elliptic problems. In particular, the isoperimetric inequality and the Pólya-Szegő and Faber-Krahn inequalities are proved by purely functional methods. The epilogue contains a sketch of the history of functional analysis in relation to integration and differentiation. Starting from elementary analysis and introducing relevant research, this work is an excellent resource for students in mathematics and applied mathematics. The second edition of Functional Analysis includes several improvements as well as the addition of supplementary material. Specifically, the coverage of advanced calculus and distribution theory has been completely rewritten and expanded. New proofs, theorems, and applications have been added as well for readers to explore.

Functional analysis --- functies (wiskunde) --- Functional analysis. --- Functional Analysis. --- Anàlisi funcional