A parametric region of stability for parabolic systems with time delay is given. 并给出了一类时滞抛物系统稳定的参数区域。
The results of this paper improve some known ones and fully reflect the influences of impulsive and delay in oscillation. 所得结果改进了已有的结果,且充分反映了脉冲和时滞在振动中的影响作用。