借助时间尺度的有关理论和广义Riccati变换、积分平均技巧,研究了一类较为广泛的时间尺度上二阶中立型时滞Emden-Fowler动力方程的振动性,给出了该类方程振动的几个定理,所得结果推广和改进了已知文献中的有关结论,统一了相应的微分方程与差分方程振动性的有关结果,指出了其差异性。最后,给出了例子说明所得结果的适应性。
By means of the theory on time scales,Riccati transformation technique and integral averaging technique,we consider oscillation of generalized second-order neutral delay Emden-Fowler dynamic equation on time scales,establish some oscillation theorems.These results extend and improve the results given,unify the results on oscillation of the second-order neutral delay Emden-Fowler differential equation and difference equation,point out the difference.An example is given to illustrate the results.