关于几何亏格 $p_g \geq 2$ 的一般型极小 4 折
代数几何
2021-01-19 v3
摘要
我们证明，对于几何亏格 的非奇异射影 4 折 V 的一般型，33-典范映射是到像的双有理映射，且典范体积有下界 ，这改进了 Chen 与 Chen 之前的定理。
引用
@article{arxiv.1904.09393,
title = {On minimal 4-folds of general type with $p_g \geq 2$},
author = {Jianshi Yan},
journal= {arXiv preprint arXiv:1904.09393},
year = {2021}
}
备注
14 pages. Slight rearrangements have been made to the context. The result on the lower bound of the canonical volume has been improved, because of the nonexistence of a kind of fibration in Subcase(II-2) of the previous version, which was pointed out by Yong Hu