On the Nonexistence of Laurent Polynomial First Integrals for General Semi-quasihomogeneous Systems |
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作者姓名: | 史少云 祝文壮 黄庆道 |
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作者单位: | School of Mathematics,Jilin University,Changchun,130012,School of Mathematics,Jilin University,Changchun,130012,School of Mathematics,Jilin University,Changchun,130012 |
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基金项目: | The NSF (10126013) of China. |
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摘 要: | An autonomous system of ODFs which admitting a quasi-homogeneous group of symmetries is called a quasihomogeneous one.
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关 键 词: | Laurent多项式 半拟齐次系统 首次积分 不存在性 常微分方程 Kowalevsky矩阵 Newton多面体 |
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