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Second-Order Evolution Equations Associated with Convex Hamiltonians(1)

Published online by Cambridge University Press:  20 November 2018

J. P. Aubin
Affiliation:
Centre de Recherches Mathematiques de la Decision Université Paris. Dauphine 75775 Paris Cedex 16, France
I. Ekeland
Affiliation:
Centre de Recherches Mathematiques de la Decision Université Paris. Dauphine 75775 Paris Cedex 16, France
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Many problems in mathematical physics can be formulated as differential equations of second order in time:

with V a convex functional. This is the Euler equation for the Lagrangian

which is convex with respect to x, and concave with respect to x.

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Type
Research Article
Copyright
Copyright © Canadian Mathematical Society 1980