| 丢番图逼近、环面T2上的Gevrey亚椭圆性与几乎周期运动 |
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| 引用本文： | 陈文艺,田岩.丢番图逼近、环面T2上的Gevrey亚椭圆性与几乎周期运动[J].数学物理学报(A辑),1999,19(3):307-311. |
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| 作者姓名： | 陈文艺 田岩 |
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| 作者单位： | 武汉大学数学科学学院!武汉，430072，武汉大学数学科学学院!武汉，430072 |
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| 摘 要： | 文中考虑一类最多可以指数地有理逼近的无理数，并指出它们自然地存在于偏微分方程解析理论及动力系统中．
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| 关 键 词： | 丢番图逼近 Gevrey类 亚椭圆性 Liapunov稳定性 几乎周期运动 |
Diophantine Approximation,Gevrey Hypoellipticity and Almost Periodic Motion on the Torus T~2 |
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| Chen Wenyi, Tian Yan.Diophantine Approximation,Gevrey Hypoellipticity and Almost Periodic Motion on the Torus T~2[J].Acta Mathematica Scientia,1999,19(3):307-311. |
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| Authors: | Chen Wenyi Tian Yan |
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| Abstract: | In this paper, we consider a class of irrational rumber which can be approximat-ed by rational number at most exponental order, Applications are given in partial differen-tial equation and dynamical systems. |
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| Keywords: | Diophantine approximation Gevrey class Hypoellipticity Liapunov stability Almost periodic motion |
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