Abstract
In this paper, we prove that the zero-locus of any global holomorphic log-one-form on a projective log-smooth pair (X; D) of log-general type must be non-empty.
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Acknowledgements
The author would like to express his gratitude to his advisor Christopher Hacon for suggesting this topic and useful discussions. The author thanks Honglu Fan, Kalle Karu, Mihnea Popa, Christian Schnell, Lei Wu and Ziwen Zhu for answering his questions, and especially Schnell for suggesting a better choice of Hodge module which is used in the paper that essentially simplifies the proof of the main theorem. During the preparation of this paper, the author was partially supported by Hacon’s Grant DMS-1300750, DMS-1265285 and a grant from the Simons Foundation, Award Number 256202.
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Communicated by Vasudevan Srinivas.
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Wei, C. Logarithmic Kodaira dimension and zeros of holomorphic log-one-forms. Math. Ann. 378, 485–512 (2020). https://doi.org/10.1007/s00208-020-02031-3
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DOI: https://doi.org/10.1007/s00208-020-02031-3