Almost non-negatively curved 4-manifolds with torus symmetry
Almost non-negatively curved 4-manifolds with torus symmetry
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具有环面对称性的几乎非负弯曲 4 流形
DOI:
10.1090/proc/15093
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发表时间:
2020
影响因子:
1
通讯作者:
Searle, Catherine
中科院分区:
文献类型:
--
作者:
Harvey, John;Searle, Catherine
We prove that if a closed, smooth, simply-connected 4-manifold with a circle action admits an almost non-negatively curved sequence of invariant Riemannian metrics, then it also admits a non-negatively curved Riemannian metric invariant with respect to the same action. The same is shown for torus actions of higher rank, giving a classification of closed, smooth, simply-connected 4-manifolds of almost non-negative curvature under the assumption of torus symmetry. References
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影响因子:
2.5
作者:
C. Searle;Dagang Yang
通讯作者:
Dagang Yang
DOI:
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1993
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期刊:
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A. Wörner