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Lectures on the Calculus of Variations: Third Edition
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AMS Chelsea Publishing
1973; 269 pp; hardcover
Volume: 145
Reprint/Revision History:
first AMS printing 2000; reprinted 2002
ISBN-10: 0-8218-2144-X
ISBN-13: 978-0-8218-2144-2
List Price: US$41 Member Price: US$36.90
Order Code: CHEL/145.H

Based on lectures delivered at the AMS meeting in 1901, this book describes the progress in calculus of variations made in the last 30 years of the nineteenth century. Among other topics, the author describes the landmark results of Weierstrass on sufficient conditions for the extremum of a functional in terms of the second variation. Also discussed are Kneser's sufficient conditions, Weierstrass's theory of the isoperimetric problem, and Hilbert's theorem on the existence of an extremum of an integral. Although the original book was written nearly 100 years ago, it remains very useful in learning about classical calculus of variations.

Researchers and graduate students interested in calculus of variations and its applications.

• The first variation of the integral $$\int_{x_0}^{x_1}F(x,y,y')dx$$
• The second variation of the integral $$\int_{x_0}^{x_1}F(x,y,y')dx$$
• Sufficient conditions for an extremum of the integral $$\int_{x_0}^{x_1}F(x,y,y')dx$$