| 高阶非线性时滞方程振动的充要条件及比较定理 |
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| 引用本文： | 李万同.高阶非线性时滞方程振动的充要条件及比较定理[J].甘肃科学学报,1994,6(3):40-43. |
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| 作者姓名： | 李万同 |
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| 作者单位： | 甘肃张掖师专数学系 |
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| 摘 要： | 本文首先给出了高阶非线性时滞微分方程所有解振动的充要条件。然后利用该结果，得到了一些振动的比较定理，解决了张炳根猜想。
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| 关 键 词： | 非线性方程 振动 比较定理 高阶 |
COMPARISON THEOREMS AND NECESSARY CONDITIONS FOR THE OSCILLATION OF HIGHER ORDER DELAY DIFFERENTIAL EQUATIONS |
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| Li Wantong.COMPARISON THEOREMS AND NECESSARY CONDITIONS FOR THE OSCILLATION OF HIGHER ORDER DELAY DIFFERENTIAL EQUATIONS[J].Journal of Gansu Sciences,1994,6(3):40-43. |
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| Authors: | Li Wantong |
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| Abstract: | Necessary and sumcient conditions for the oscillation of higher order nonlinear delay differ-ential equations are given,As an application,some comparison theorems for oscillation of the e-quations are derived.Finally,Zhang' s conjecture is solved. |
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| Keywords: | Nonlinear differential equation oscillation comparison theorem |
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