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RC-POSITIVITY, VANISHING THEOREMS AND RIGIDITY OF HOLOMORPHIC MAPS

Part of: Global differential geometry (Co)homology theory Holomorphic fiber spaces

Published online by Cambridge University Press:  11 October 2019

Xiaokui Yang Open the ORCID record for Xiaokui Yang [Opens in a new window]
Xiaokui Yang*
Affiliation:
Department of Mathematics and Yau Mathematical Sciences Center, Tsinghua University, Beijing100084, China (xkyang@mail.tsinghua.edu.cn)
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Abstract

Let $M$ and $N$ be two compact complex manifolds. We show that if the tautological line bundle ${\mathcal{O}}_{T_{M}^{\ast }}(1)$ is not pseudo-effective and ${\mathcal{O}}_{T_{N}^{\ast }}(1)$ is nef, then there is no non-constant holomorphic map from $M$ to $N$. In particular, we prove that any holomorphic map from a compact complex manifold $M$ with RC-positive tangent bundle to a compact complex manifold $N$ with nef cotangent bundle must be a constant map. As an application, we obtain that there is no non-constant holomorphic map from a compact Hermitian manifold with positive holomorphic sectional curvature to a Hermitian manifold with non-positive holomorphic bisectional curvature.

Keywords

RC-positivityvanishing theoremsrigidity

MSC classification

Primary: 53C55: Hermitian and Kählerian manifolds 32L20: Vanishing theorems
Secondary: 14F17: Vanishing theorems
Type
Research Article
Information
Journal of the Institute of Mathematics of Jussieu , Volume 20 , Issue 3 , May 2021 , pp. 1023 - 1038
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Copyright
© Cambridge University Press 2019

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Footnotes

This work was partially supported by China’s Recruitment Program of Global Experts and NSFC 11688101.

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