scientific article

zbMath0544.49010MaRDI QIDQ3333628

Ivar Ekeland

Publication date: 1983

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

reflexive Banach spacenonlinear wave equationconjugate functionFenchel dualitynonconvex functionsfourth- order problemsystems with gyroscopic forces or viscous friction

Mathematics Subject Classification ID

Optimality conditions for problems involving partial differential equations (49K20) Programming in abstract spaces (90C48) Second-order nonlinear hyperbolic equations (35L70) Variational principles in infinite-dimensional spaces (58E30) Methods involving semicontinuity and convergence; relaxation (49J45) Dynamical aspects of finite-dimensional Hamiltonian and Lagrangian systems (37J99) Duality theory (optimization) (49N15) Existence theories for problems in abstract spaces (49J27) Differentiation theory (Gateaux, Fréchet, etc.) on manifolds (58C20) Optimality conditions for problems involving ordinary differential equations (49K15) Optimality conditions for problems in abstract spaces (49K27)

Related Items (3)

Effective content of the calculus of variations. I: Semi-continuity and the chattering lemma ⋮ Viability in hybrid systems ⋮ An example of stability for the minima of a sequence of \(DC\) functions: Homogenization for a class of nonlinear Sturm-Liouville problems

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