A new comparison principle of impulsive integro-differential equations with variable times is established by variational Lyapunov function and comparison theorem, and then be applied to obtain a ultimate stability criterion of such systems.%将变分Lyapunov函数方法和比较原理相结合,得到了具依赖状态脉冲积分微分系统新的比较原理,并利用这一比较原理得到了该系统的最终稳定性准则.
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