| 某类中立型方程非振动解的存在性准则 |
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| 引用本文： | 李光华.某类中立型方程非振动解的存在性准则[J].怀化学院学报,1990(2). |
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| 作者姓名： | 李光华 |
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| 作者单位： | 怀化师专数学系 |
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| 摘 要： | 本文考虑Banach空间与局部凸线性拓扑空间的复合物。通过建立新的不动点定理,给发了具有非稳定算子的中立型泛函微分方程的非振动解的存在性准则。
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| 关 键 词： | Banach-局部凸空间 不动点 非稳定差分算子 |
Existence of Nonoscillatory Solutions for Neutral Differential Eguations of non-stable Operators |
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| Li Guanghua.Existence of Nonoscillatory Solutions for Neutral Differential Eguations of non-stable Operators[J].Journal of Huaihua University,1990(2). |
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| Authors: | Li Guanghua |
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| Institution: | Department of Mathematics |
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| Abstract: | This paper is dcvofed to the study of the nonoxcillatory of solutions of delay differentilal equations of the neutral of the nonstale operators. We obtained the following vesults: Theorm 1 The differential equation:
Where|c| > 1 and gi(t) and σi(t) are continuous such that
|gi(t)| 0i= 1,2,… ,n and lint lim {t - σi(t)} = +00 .Assume
that
Then equation (1) has a nonoscillaiory solution, |
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| Keywords: | B-F space fixed point ono-stable difference operator |
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