Concepedia

Periodic solutions of a second order superquadratic system with a change of sign in the potential

Leïla Lassoued

Journal of Differential Equations · 1991 · 48 citations · 10 references

DOI

Concepts

References

10

Dual variational methods in critical point theory and applications

Antonio Ambrosetti, Paul H. Rabinowitz · Journal of Functional Analysis · 1973 · 4.4K citations

, , +14

APPLIED NONLINEAR ANALYSIS

John Toland · Bulletin of the London Mathematical Society · 1985 · 1.5K citations

, , +2

Abstract critical point theorems and applications to some nonlinear problems with “strong” resonance at infinity

Paolo Bartolo, Vieri Benci, Donato Fortunato · Nonlinear Analysis · 1983 · 791 citations

, , +14

Periodic solutions of hamiltonian systems

Paul H. Rabinowitz · Communications on Pure and Applied Mathematics · 1978 · 735 citations

, , +13

Saddle points and multiple solutions of differential equations

Herbert Amann · Mathematische Zeitschrift · 1979 · 200 citations

, , +14