In this paper, we discuss the instability of the zero solutions to certain nonlinear differential equations of fifth and sixth order with multiple retarded arguments. By the Lyapunov＇s direct method, sufficient condi...In this paper, we discuss the instability of the zero solutions to certain nonlinear differential equations of fifth and sixth order with multiple retarded arguments. By the Lyapunov＇s direct method, sufficient conditions for instability of the zero solutions are obtained.展开更多
文摘In this paper, we discuss the instability of the zero solutions to certain nonlinear differential equations of fifth and sixth order with multiple retarded arguments. By the Lyapunov＇s direct method, sufficient conditions for instability of the zero solutions are obtained.
