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" Variational Methods : "
by Michael Struwe.
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BL
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| Record Number
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759252
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b579223
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| Main Entry
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by Michael Struwe.
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| Title & Author
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Variational Methods : : Applications to Nonlinear Partial Differential Equations and Hamiltonian Systems\ by Michael Struwe.
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| Publication Statement
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Berlin, Heidelberg : Springer Berlin Heidelberg, 1990
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(xiv, 244 pages)
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| ISBN
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3662026244
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: 9783662026243
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| Contents
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I. The Direct Methods in the Calculus of Variations --; II. Minimax Methods --; III. Limit Cases of the Palais-Smale Condition --; Appendix A --; Sobolev Spaces --; Hölder Spaces --; Imbedding Theorems --; Density Theorem --; Trace and Extension Theorems --; Poincaré Inequality --; Appendix B --; Schauder Estimates --; Weak Solutions --; A Regularity Result --; Maximum Principle --; Weak Maximum Principle --; Application --; Appendix C --; Fréchet Differentiability --; Natural Growth Conditions --; References.
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| Abstract
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It would be hopeless to attempt to give a complete account of the history of the calculus of variations. The interest of Greek philosophers in isoperimetric problems underscores the importance of "optimal form" in ancient cultures, see Hildebrandt-Tromba [1] for a beautiful treatise of this subject. While variatio nal problems thus are part of our classical cultural heritage, the first modern treatment of a variational problem is attributed to Fermat (see Goldstine [1; p.l]). Postulating that light follows a path of least possible time, in 1662 Fer mat was able to derive the laws of refraction, thereby using methods which may already be termed analytic. With the development of the Calculus by Newton and Leibniz, the basis was laid for a more systematic development of the calculus of variations. The brothers Johann and Jakob Bernoulli and Johann's student Leonhard Euler, all from the city of Basel in Switzerland, were to become the "founding fathers" (Hildebrandt-Tromba [1; p.21]) of this new discipline. In 1743 Euler [1] sub mitted "A method for finding curves enjoying certain maximum or minimum properties", published 1744, the first textbook on the calculus of variations.
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| Subject
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Global analysis (Mathematics)
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Mathematics.
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Systems theory.
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| LC Classification
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QA316.B965 1990
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| Added Entry
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Michael Struwe
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