Abstract
In this article, we study Kähler metrics on a certain line bundle over some compact Kähler manifolds to find complete Kähler metrics with positive holomorphic sectional (or bisectional) curvatures. Thus, we apply a strategy to a famous Yau conjecture with a co-homogeneity one geometry.
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Acknowledgements
We would like to thank Professors Feng, Han and the School of Mathematics and Statistics, Henan University for their support. The second author thanks Professor Peter Li for giving a talk related to this topic when the second author was at UC Riverside, and for his support with [7]. He also thanks Professor X. Zhu for giving a talk at a conference in China, which led him to this problem. Thanks also go to Professor B. Chen for his encouragement. We also take this opportunity to thank Professor Francis Zheng for sending us his paper [29], which is not easy to acquire in China. We also appreciate the constructive comments and suggestions from the referees, which made this paper much more readable.
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This research was supported by the NSFC (12171140).
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Duan, X., Guan, Z. Complete Kähler metrics with positive holomorphic sectional curvatures on certain line bundles (related to a cohomogeneity one point of view on a Yau conjecture). Acta Math Sci 44, 78–102 (2024). https://doi.org/10.1007/s10473-024-0103-5
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DOI: https://doi.org/10.1007/s10473-024-0103-5
Key words
- Kähler Metrics
- complete Riemannian metrics
- open complex manifolds
- holomorphic bisectional curvature
- C* bundle
- almost homogeneous manifolds