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arXiv · 2411.16146

On the divisorial contractions to curves of threefolds

Hsin-Ku Chen·Jheng-Jie Chen·Jungkai A. Chen
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Abstract

We prove that each divisorial contraction to a curve between terminal threefolds is a weighted blow-up under a suitable embedding. Moreover, we give a classification of the weighted blow-ups assuming that the curve is smooth.

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Hsin-Ku Chen, Jheng-Jie Chen, Jungkai A. Chen. 2024-11-25. On the divisorial contractions to curves of threefolds. https://arxiv.org/abs/2411.16146

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