Abstract. We provide sufficient conditions for the existence of periodic solutions of the fourth-order differential equation where λ, μ and ε are real parameters, ε is small and F is a nonlinear function. © 2012 Texas State University - San Marcos.
|Journal||Electronic Journal of Differential Equations|
|Publication status||Published - 7 Feb 2012|
- Averaging theory
- Fourth-order differential equation
- Periodic orbit