| 周期摄动的Duffing系统的调和解的存在性 |
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| 引用本文： | 丁同仁.周期摄动的Duffing系统的调和解的存在性[J].北京大学学报(自然科学版),1992,28(1):71-76. |
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| 作者姓名： | 丁同仁 |
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| 作者单位： | 北京大学数学系 |
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| 摘 要： | 本文在比较自然的条件下证明了一类周期摄动的Duffing系统的调和解的存在性。
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| 关 键 词： | 周期摄动 Duffing系统 调和解 |
An Existence Theorem for Harmonic Solutions of Periodically Perturbed Systems of Duffing's Type |
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| DING Tongren.An Existence Theorem for Harmonic Solutions of Periodically Perturbed Systems of Duffing''''s Type[J].Acta Scientiarum Naturalium Universitatis Pekinensis,1992,28(1):71-76. |
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| Authors: | DING Tongren |
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| Abstract: | An existence theorem for harmonic solutions of periodically perturbed systems of Duffing's type is proved in this paper under some reasonable conditions. |
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| Keywords: | Existence theorem Harmonic solutions Periodic Duffing's system Hessian matrix Topological index |
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