Topological degree and generalized asymmetric oscillators

zbMath1105.37036MaRDI QIDQ854523

Alessandro Fonda

Publication date: 5 December 2006

Published in: Topological Methods in Nonlinear Analysis (Search for Journal in Brave)

Full work available at URL: https://www.tmna.ncu.pl/static/files/v28n1-10.pdf

zbMATH Keywords

periodic solutionsperiodic perturbationsisochronous Hamiltonian system

Mathematics Subject Classification ID

Periodic solutions to ordinary differential equations (34C25) Degree theory for nonlinear operators (47H11) Applications of operator theory to differential and integral equations (47N20) Perturbations of finite-dimensional Hamiltonian systems, normal forms, small divisors, KAM theory, Arnol'd diffusion (37J40)

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Double resonance with Landesman-Lazer conditions for planar systems of ordinary differential equations ⋮ Existence and infinity of periodic solutions of some second order differential equations with isochronous potentials

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