Instability of Solutions for Nonlinear Functional Differential Equations of Fifth Order With N-Deviating Arguments

Abstract

In this paper, we study the instability properties of solutions of a class of nonlinear functional differential equations of the fifth order with n-constant deviating arguments. By using the Lyapunov-Krasovskii functional approach, we obtain some interesting sufficient conditions ensuring that the zero solution of the equations is unstable. © Cemil Tunç, 2012.