摘要
讨论了一类二阶非线性泛函微分方程的振动性,得到了该类方程所有解振动的新的充分条件,改进并推广了已有的结果.
Oscillation of a class of second-order nonlinear functional differential equation is considered. A new sufficient condition for oscillation of all solutions of the equation was obtained which extended and improves some existing results.
出处
《数学的实践与认识》
CSCD
北大核心
2007年第24期170-173,共4页
Mathematics in Practice and Theory
关键词
二阶泛函微分方程
非线性
振动性
second order functional differential
oscillation
nonlinear