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Existence and multiplicity of periodic solutions for the ordinary \(p\)-Laplacian systems. (English) Zbl 1218.34048

The authors investigated an ordinary \(p\)-Laplacian systems. By using the saddle point theorem and the least action principle, they obtain some conditions that guarantees the existence of periodic solutions of the system. They also establish the existence of three distinct solutions by using the three-critical-point theorem.

MSC:

34C25 Periodic solutions to ordinary differential equations
34B15 Nonlinear boundary value problems for ordinary differential equations
58E05 Abstract critical point theory (Morse theory, Lyusternik-Shnirel’man theory, etc.) in infinite-dimensional spaces
58E30 Variational principles in infinite-dimensional spaces
Full Text: DOI

References:

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