Lectures on functional analysis and the Lebesgue integral
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Bibliographic Information
Lectures on functional analysis and the Lebesgue integral
（Universitext）
Springer, c2016
- : [pbk.]
- Other Title
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Précis d'analyse réelle
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Note
Includes bibliographical references (p. 377-393) and indexes
Description and Table of Contents
Description
This textbook, based on three series of lectures held by the author at the University of Strasbourg, presents functional analysis in a non-traditional way by generalizing elementary theorems of plane geometry to spaces of arbitrary dimension. This approach leads naturally to the basic notions and theorems. Most results are illustrated by the small p spaces. The Lebesgue integral, meanwhile, is treated via the direct approach of Frigyes Riesz, whose constructive definition of measurable functions leads to optimal, clear-cut versions of the classical theorems of Fubini-Tonelli and Radon-Nikodym.
Lectures on Functional Analysis and the Lebesgue Integral presents the most important topics for students, with short, elegant proofs. The exposition style follows the Hungarian mathematical tradition of Paul Erdos and others. The order of the first two parts, functional analysis and the Lebesgue integral, may be reversed. In the third and final part they are combined to study various spaces of continuous and integrable functions. Several beautiful, but almost forgotten, classical theorems are also included.
Both undergraduate and graduate students in pure and applied mathematics, physics and engineering will find this textbook useful. Only basic topological notions and results are used and various simple but pertinent examples and exercises illustrate the usefulness and optimality of most theorems. Many of these examples are new or difficult to localize in the literature, and the original sources of most notions and results are indicated to help the reader understand the genesis and development of the field.
Table of Contents
Some papers of general interest.- Topological prerequisites.- Part 1 Functional analysis.- Hilbert spaces.- Banach spaces.- Locally convex spaces.- Part 2 The Lebesgue integral.- Monotone functions.- The Lebesgue integral in R.- Generalized Newton-Leibniz formula.- Integrals on measure spaces.- Part 3 Function spaces.- Spaces of continuous functions.- Spaces of integrable functions.- Almost everywhere convergence.- Hints and solutions to some exercises.- Bibliography.- Teaching remarks.- Subject index.- Name index.
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