We prove a multiplicity result of periodic solutions for a system of second order differential equations having asymmetric nonlinearities. The proof is based on a recent generalization of the Poincaré-Birkhoff fixed point theorem provided by Fonda and Urena.
Multiplicity of periodic solutions for systems of weakly coupled parametrized second order differential equations
CALAMAI, Alessandro;
2017-01-01
Abstract
We prove a multiplicity result of periodic solutions for a system of second order differential equations having asymmetric nonlinearities. The proof is based on a recent generalization of the Poincaré-Birkhoff fixed point theorem provided by Fonda and Urena.File in questo prodotto:
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