| OSCILLATION CRITERIA OF SOLUTIONS FOR A CLASS OF DELAY DIFFERENTIAL EQUATIONS WITH POSITIVE AND NEGATIVECOE FFICIENTS |
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| 作者姓名： | 关开中 王奇生 廖基定 |
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| 作者单位： | Dept.of Math.and Physics，Nanhua University，Hengyang 421001，Dept.of Math.and Physics，Nanhua University，Hengyang 421001，Dept.of Math.and Physics，Nanhua University，Hengyang 421001 |
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| 基金项目： | Project supported by Scientific Research Fund of Hunan Provincial Education Department (China)(granted 03C427). |
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| 摘 要： | Some sufficient conditions for the oscillation of all solutions of the delay differential equations with positive and negative coefficientsare obtained, where 0 < αi, βi <1,pi> 0, qi > 0, are constants, t = 1,2, …, n.
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| 关 键 词： | 微分算子 迟滞 充分条件 系数 |
OSCILLATION CRITERIA OF SOLUTIONS FOR A CLASS OF DELAY DIFFERENTIAL EQUATIONS WITH POSITIVE AND NEGATIVE COEFFICIENTS |
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| Guan Kaizhong Wang Qisheng Liao Jiding.OSCILLATION CRITERIA OF SOLUTIONS FOR A CLASS OF DELAY DIFFERENTIAL EQUATIONS WITH POSITIVE AND NEGATIVECOE FFICIENTS[J].微分方程年刊(英文版),2004,20(3):235-242. |
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| Authors: | Guan Kaizhong Wang Qisheng Liao Jiding |
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| Institution: | Dept.ofMath.andPhysics,NanhuaUniversity,Hengyang421001 |
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| Abstract: | |
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| Keywords: | positive and negative coefficients delay differential equation oscillation |
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