M. A. Youngson: Linear Functional Analysis

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Cover: 9781848000049 | Linear Functional Analysis | Bryan P. Rynne (u. a.) | Taschenbuch

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Sprache: Englisch

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Beschreibung

This book provides an introduction to the ideas and methods of linear fu- tional analysis at a level appropriate to the ?nal year of an undergraduate course at a British university. The prerequisites for reading it are a standard undergraduate knowledge of linear algebra and real analysis (including the t- ory of metric spaces). Part of the development of functional analysis can be traced to attempts to ?nd a suitable framework in which to discuss di?erential and integral equations. Often, the appropriate setting turned out to be a vector space of real or complex-valued functions de?ned on some set. In general, such a v- tor space is in?nite-dimensional. This leads to di?culties in that, although many of the elementary properties of ?nite-dimensional vector spaces hold in in?nite-dimensional vector spaces, many others do not. For example, in general in?nite-dimensionalvectorspacesthereisnoframeworkinwhichtomakesense of analytic concepts such as convergence and continuity. Nevertheless, on the spaces of most interest to us there is often a norm (which extends the idea of the length of a vector to a somewhat more abstract setting). Since a norm on a vector space gives rise to a metric on the space, it is now possible to do analysis in the space. As real or complex-valued functions are often called functionals, the term functional analysis came to be used for this topic. We now brie?y outline the contents of the book.

Zusammenfassung

This introduction to the ideas and methods of linear functional analysis shows how familiar and useful concepts from finite-dimensional linear algebra can be extended or generalized to infinite-dimensional spaces. A highlight of the second edition is a new chapter on the Hahn-Banach theorem and its applications to the theory of duality. This chapter also introduces the basic properties of projection operators on Banach spaces, and weak convergence of sequences in Banach spaces. Other highlights include topics that have applications to both linear and nonlinear functional analysis, extended coverage of the uniform boundedness theorem, and plenty of exercises with solutions provided at the back of the book.

Inhaltsverzeichnis

Preliminaries.- Normed Spaces.- Inner Product Spaces, Hilbert Spaces.- Linear Operators.- Duality and the Hahn-Banach Theorem.- Linear Operators on Hilbert Spaces.- Compact Operators.- Integral and Differential Equations.- Solutions to Exercises.

Erscheinungsjahr:	2007
Fachbereich:	Analysis
Genre:	Mathematik
Rubrik:	Naturwissenschaften & Technik
Medium:	Taschenbuch
Seiten:	336
Reihe:	Springer Undergraduate Mathematics Series
Inhalt:	x 324 S. 6 s/w Illustr. 324 p. 6 illus.
ISBN-13:	9781848000049
ISBN-10:	1848000049
Sprache:	Englisch
Herstellernummer:	11933496
Ausstattung / Beilage:	Paperback
Einband:	Kartoniert / Broschiert
Autor:	Youngson, M. A. Rynne, Bryan
Auflage:	2nd ed. 2008
Hersteller:	Springer London Springer Undergraduate Mathematics Series
Maße:	235 x 178 x 19 mm
Von/Mit:	M. A. Youngson (u. a.)
Erscheinungsdatum:	21.12.2007
Gewicht:	0,586 kg

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