| 具变号系数的四阶非线性变时滞微分方程的振动性 |
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| 引用本文： | 郭芳,朱红霞,韩效宥.具变号系数的四阶非线性变时滞微分方程的振动性[J].雁北师范学院学报,2010(3). |
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| 作者姓名： | 郭芳 朱红霞 韩效宥 |
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| 作者单位： | 山西大同大学数学与计算机科学学院;河北廊坊师范学院数学与信息科学学院;北方工业大学理学院; |
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| 摘 要： | 在振动因子p(t)变号的情况下,研究四阶非线性微分方程x(4()t)+p(t)f(x(g(t)))=0的振动性,并得到方程振动的一个充分性定理.
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| 关 键 词： | 非线性 系数变号 四阶微分方程 变时滞 振动性 |
Oscillation of Four-order Nonlinear Variable Delay Differential Equations With Variable Coefficient |
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| GUO Fang,ZHU Hong-xia,HAN Xiao-you.Oscillation of Four-order Nonlinear Variable Delay Differential Equations With Variable Coefficient[J].Journal of Yanbei Teachers College,2010(3). |
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| Authors: | GUO Fang ZHU Hong-xia HAN Xiao-you |
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| Institution: | GUO Fang1,ZHU Hong-xia2,HAN Xiao-you3 (1.School of Mathematics and Computer Science,Shanxi Datong University,Datong Shanxi,037009,2.Department of Mathematics Information Science,Langfang Normal College,Langfang Hebei,065000,3.College of Science,North China University of Technology,Beijing,100144) |
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| Abstract: | This paper studies the oscillation of a kind of four-order nonlinear variable delay differential equation with variable coefficient. Asufficient condition for the oscillation is obtained. |
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| Keywords: | nonlinear variable coefficient four-order differential equation variable delay oscillation |
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