Partial Differential Equations: An Introduction by G?nter Hellwig (German) Paper

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Translation of Partielle Differentialgleichungen.

FORMATPaperback LANGUAGEGerman CONDITIONBrand New Publisher Description

This book is intended to give an introduction to the field of partial differential equations. The presentation is intentionally not too brief so that graduate students should be able to read it without serious difficulty. In addition to requiring a thorough knowledge of differential and integral calculus as well as of the theory of ordinary differential equations, it presupposes a few results from complex variables, and, in its last part, a few from func- tional analysis and real variables. The goals of the book necessitated a careful selection of material. Of course, in the framework of this "guidebook," problems that today stand in the foreground of scientific development could only be taken into consideration peripherally. However, the author hopes that his efforts to present some of these can be felt. In Part I, simple examples are treated, namely, the wave, potential, and heat equations. There the Gauss integral theorem in R" appears as an important tool. Part II deals with the normal forms and characteristic manifolds for partial differential equations of the second order and for systems of partial differential equations of the first order in more than one unknown function. Here normal forms are given that can be obtained by very ele- mentary means. In Part III questions of uniqueness for various initial-value and bound- ary-value problems are discussed, by means of the maximum-minimum principle and the energy-integral method, respectively.

Table of Contents

1. Examples.- 1. Introduction.- 2. The Wave Equation.- 3. The Potential Equation.- 4. The Heat Equation.- 2. Classification into Types, Theory of Characteristics, and Normal Form.- 1. Differential Equations of the First Order.- 2. Systems of Differential Equations of the First Order.- 3. On the Necessity of Classification Into Types.- 3. Questions of Uniqueness.- 1. Elliptic and Elliptic-Parabolic Type.- 2. Parabolic Type.- 3. Hyperbolic Type.- 4. Mixed Type.- 4. Questions of Existence.- 1. Equations of Hyperbolic Type in Two Independent Variables.- 2. Boundary and Initial-Value Problems for Equations of Hyperbolic and Parabolic Type in Two Independent Variables.- 3. Equations of Elliptic Type.- 4. Weyl's Lemma for Equations of Elliptic Type.- 5. Simple Tools from Functional Analysis Applied to Questions of Existence.- 1. Auxiliary Tools.- 2. Schauder's Technique of Proof for Existence Problems in Elliptic Differential Equations.- 3. The Regular Eigenvalue Problem.- 4. Elliptic Systems of Differential Equations.- Solutions.

Long Description

This book is intended to give an introduction to the field of partial differential equations. The presentation is intentionally not too brief so that graduate students should be able to read it without serious difficulty. In addition to requiring a thorough knowledge of differential and integral calculus as well as of the theory of ordinary differential equations, it presupposes a few results from complex variables, and, in its last part, a few from func

Details ISBN3519122138 Short Title GER-PARTIAL DIFFERENTIAL EQUAT Pages 259 Language German Edition 2nd ISBN-10 3519122138 ISBN-13 9783519122135 Media Book Format Paperback DEWEY 515.353 Year 1977 Publication Date 1977-01-01 Edition Description 2. Aufl. 1960 Subtitle An Introduction Birth 1926 Translated from German DOI 10.1007/978-3-663-11002-6 Country of Publication Germany Imprint Vieweg+Teubner Verlag Place of Publication Weisbaden Author Günter Hellwig Publisher Springer Fachmedien Wiesbaden Illustrations XI, 259 S. Audience Professional & Vocational Series Mathematische Leitfäden We've got this

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