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Globally conformally Kähler Einstein metrics on certain holomorphic bundles

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Abstract

The subject of this paper is the explicit momentum construction of complete Einstein metrics by ODE methods. Using the Calabi ansatz, further generalized by Hwang-Singer, we show that there are non-trivial complete conformally Kähler–Einstein metrics on certain Hermitian holomorphic vector bundles and their subbundles over complete Kähler–Einstein manifolds. In special cases, we give the explicit expressions of these metrics. These examples show that there are a compact Kähler manifold M and its subvariety N whose codimension is greater than 1 such that there is a complete conformally Kähler–Einstein metric on M–N.

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Acknowledgements

The author would like to thank the referee for many helpful suggestions and editor’s comments. The author was supported in part by the National Natural Science Foundation of China (No.12071354) and the Scientific Research Fund of Leshan Normal University (No.DGZZ202024).

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  1. School of Mathematics and Physics, Leshan Normal University, Leshan, Sichuan, 614000, People’s Republic of China

    Zhiming Feng

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  1. Zhiming Feng
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Correspondence to Zhiming Feng.

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Feng, Z. Globally conformally Kähler Einstein metrics on certain holomorphic bundles. Annali di Matematica 202, 1087–1129 (2023). https://doi.org/10.1007/s10231-022-01272-0

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  • DOI: https://doi.org/10.1007/s10231-022-01272-0

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