| 一阶中立型微分方程的振动性 |
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| 引用本文： | 刘玉记.一阶中立型微分方程的振动性[J].怀化学院学报,2000(2). |
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| 作者姓名： | 刘玉记 |
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| 作者单位： | 岳阳师范学院数学系!湖南岳阳414000 |
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| 摘 要： | 研究变系数中立型泛函微分方程的解的振动性问题 分别获得了保证两类中立型方程的所有解振动的充分条件 ,改进了已有的部分结果 ,而且在某种程度上 ,我们的结果是不可改进的。
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| 关 键 词： | 中立型泛函微分方程 振动性 “积分小”系数 充分条件 |
Oscillation in First Order Neutral Differential Equation |
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| LIU Yu,ji.Oscillation in First Order Neutral Differential Equation[J].Journal of Huaihua University,2000(2). |
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| Authors: | LIU Yu ji |
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| Abstract: | Consider the oscillation of solutions of a firs torder neutral differential equations The sufficient condition which make every solutions of these equations oscillates are obtained Our theorems improves some known Results and are“sharp”conditions |
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| Keywords: | neutral differential equation oscillation “integrally small”coefficient sufficient condition |
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