一类高阶微分方程解的复振荡One class complex oscillation on the higher order differential equation
徐俊峰;张占亮;
摘要(Abstract):
主要讨论了k阶微分方程f(k)+Qk-2f(k-2)+…+Q1f′+(ReP(z)+Q0)f=0的复振荡,得到此方程的非平凡解的零点收敛指数为无穷时的更广条件.
关键词(KeyWords): 微分方程;复振荡;收敛指数
基金项目(Foundation): 高校博士点专项基金项目(20060422049)
作者(Authors): 徐俊峰;张占亮;
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