Morse index and the stability of closed geodesics

Morse index and the stability of closed geodesics
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莫尔斯指数和闭合测地线的稳定性

DOI:
10.1007/s11425-010-0064-0
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发表时间:
2010-04
影响因子:
1.4
通讯作者:
Sun ShanZhong
Sun ShanZhong
中科院分区:
数学1区
文献类型:
--
作者:
Hu XiJun;Sun ShanZhong

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设ind(C)是n+1维黎曼流形上闭测地线的Morse指数。证明了有向不稳定闭测地线不稳定干扰素+ind(C)是奇数,无向不稳定闭测地线不稳定干扰素+ind(C)是偶数。我们的结果是Poincaré著名定理的推广,该定理指出黎曼曲面上的闭极小测地线是不稳定的。
Let ind(c) be the Morse index of a closed geodesiccin an (n+1)-dimensional Riemannian manifold. We prove that an oriented closed geodesiccis unstable ifn+ ind(c) is odd and a non-oriented closed geodesiccis unstable ifn+ind(c) is even. Our result is a generalization of the famous theorem due to Poincaré which states that the closed minimizing geodesic on a Riemann surface is unstable.
每个 Finsler 2 球体上存在两条闭合测地线
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影响因子: --
作者:
Victor Bangert;Yiming Long
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发表时间: 1899-07
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