Existence, Unicite et Multiplicite de Solutions Periodiques D'Equations Differentielles de Duffing Non-Lineaires Avec Dissipation

DOI10.4153/CJM-1987-027-6zbMath0618.34018MaRDI QIDQ4727451

M. N. Nkashama

Publication date: 1987

Published in: Canadian Journal of Mathematics (Search for Journal in Brave)

zbMATH Keywords

existencemultiplicityuniquenesscoincidence degreeFourier series methodLeray-Schauder techniquestopological fixed point indexforced second order differential equations with dampinglower-solutions method

Mathematics Subject Classification ID

Equations involving nonlinear operators (general) (47J05) Nonlinear boundary value problems for ordinary differential equations (34B15) Periodic solutions to ordinary differential equations (34C25) Nonlinear oscillations and coupled oscillators for ordinary differential equations (34C15) Special ordinary differential equations (Mathieu, Hill, Bessel, etc.) (34B30)

Related Items (1)

Unbounded perturbations of forced second order ordinary differential equations at resonance

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