Local dynamics of conformal vector fields

Local dynamics of conformal vector fields
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DOI:
10.1007/s10711-011-9619-7
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发表时间:
2009-09
影响因子:
0.5
通讯作者:
C. Frances
C. Frances
中科院分区:
数学4区
文献类型:
--
作者:
C. Frances

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研究了奇点附近的伪黎曼共形向量场。对于黎曼流形,我们证明了如果一个共形向量场在点x0处消失对共形类中的一个度规是不灭的,则奇点x0的邻域是共形平坦的。
We study pseudo-Riemannian conformal vector fields in the neighborhood of a singularity. For Riemannian manifolds, we prove that if a conformal vector field vanishing at a pointx0is not Killing for a metric in the conformal class, then a neighborhood of the singularityx0is conformally flat.