Ekeland, Ivar; Lasry, Jean-Michel Problèmes variationnels non convexes en dualité. (French) Zbl 0448.90063 C. R. Acad. Sci., Paris, Sér. A 291, 493-496 (1980). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 5 Documents MSC: 90C48 Programming in abstract spaces 46B99 Normed linear spaces and Banach spaces; Banach lattices 70K05 Phase plane analysis, limit cycles for nonlinear problems in mechanics 35L05 Wave equation Keywords:duality result; non-convex optimization problems; small divisor problem; wave equation; damped oscillations; nonlinear mechanical systems PDF BibTeX XML Cite \textit{I. Ekeland} and \textit{J.-M. Lasry}, C. R. Acad. Sci., Paris, Sér. A 291, 493--496 (1980; Zbl 0448.90063) OpenURL