Eigenvalues of vector fields, Bott's residue formula and integral invariants

Eigenvalues of vector fields, Bott's residue formula and integral invariants
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矢量场的特征值、Bott 留数公式和积分不变量

DOI:
10.1016/j.difgeo.2015.11.004
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发表时间:
2014-09
影响因子:
0.5
通讯作者:
李平
李平
中科院分区:
数学4区
文献类型:
--
作者:
李平

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Given a compatible vector field on a compact connected almost-complex manifold, we show in this article that the multiplicities of eigenvalues among the zero point set of this vector field have intimate relations. We highlight a special case of our result and reinterpret it as a vanishing-type result in the framework of the celebrated Atiyah–Bott–Singer localization formula. This new point of view, via the Chern–Weil theory and a strengthened version of Bott's residue formula, can lead to an obstruction to Killing real holomorphic vector fields on compact Hermitian manifolds in terms of a curvature integral.
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