在这份报纸,我们为一般非线性的过滤方程 ut-Dj 考虑 nonnegative 答案到 Cauchy 问题( aij ( x , t , u ) Di (u)) +bi ( t , u ) Diu+C ( x , t , u ) =0 ,并且获得存在,在在一些结构条件下面的这些答案的有限时间的唯一和发作。
In this paper, the methods of decomposition of large-scale system and Liapunov function are used in studying the existence of stationary oscillation of periodic interval system, some new results are obtained.