Sufficient conditions to guarantee the oscillations of fourth order ODE with impulses are obtained. The importance of the impulsive effect on the oscillations of higher order differential equations is stressed.
基金Project supported by Natural Science Foundation of Guangdong(011471)Natural Science Foundation of Guangdong Higher Education(0120).
文摘Sufficient conditions to guarantee the oscillations of fourth order ODE with impulses are obtained. The importance of the impulsive effect on the oscillations of higher order differential equations is stressed.
