INSTABILITY TO DIFFERENTIAL EQUATIONS OF FIFTH AND SIXTH ORDER WITH VARIABLE DEVIATING ARGUMENTS

• 作者: Cemil Tunc
• 来源期刊: 微分方程年刊：英文版
• 学科: 数学
• 关键词: 不稳定 高阶方程 李亚普诺夫直接法 非线性微分方程 偏差 差分 充分条件 零解
• 年，卷（期）: 2014,（4）
• 页码范围: 379-385
• 页数: 7页
• 分类号: O175.29

摘要

In this paper, we discuss the instability of the zero solutions to certain nonlinear differential equations of fifth and sixth order with multiple retarded arguments. By the Lyapunov's direct method, sufficient conditions for instability of the zero solutions are obtained.