正特征域上三维簇的 Iitaka $C_{n,m}$ 猜想
代数几何
2018-06-26 v5
摘要
本文中,我们证明对于从光滑射影三维簇 到光滑射影曲线 的纤维化 ,在特征 的代数闭域 上,若几何一般纤维 光滑,则 Kodaira 维数的次可加性成立,即
引用
@article{arxiv.1604.01856,
title = {Iitaka's $C_{n,m}$ conjecture for 3-folds in positive characteristic},
author = {Sho Ejiri and Lei Zhang},
journal= {arXiv preprint arXiv:1604.01856},
year = {2018}
}
备注
14 pages, v2: minor revisions, v3: Correction of the proof of the main theorem for the case where the Kodaira dimension of the generic fiber is one. v4: final version, to appear in Math. Res. Lett, v5: References corrected