Abstract
We consider periodic perturbations of an isochronous hamiltonian system in the plane, depending on a parameter, which generalize the classical asymmetric oscillator. We compute the associated topological degree, and consider situations where large-amplitude periodic solutions can arise.
Citation
Alessandro Fonda. "Topological degree and generalized asymmetric oscillators." Topol. Methods Nonlinear Anal. 28 (1) 171 - 188, 2006.
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