关于Fano指数为2的Q-Fano三维簇
代数几何
2016-06-29 v3
摘要
我们证明,对于Fano指数为2的Q-Fano三维簇X,不等式dim |-1/2K_X| ≤ 4成立,并且存在唯一一个被充分理解的簇族使得dim |-1/2K_X| = 4。
引用
@article{arxiv.1203.0852,
title = {On Q-Fano threefolds of Fano index 2},
author = {Yuri Prokhorov and Miles Reid},
journal= {arXiv preprint arXiv:1203.0852},
year = {2016}
}
备注
Minor changes, mostly biographical, to bring into line with the published version in Minimal Models and Extremal Rays (Kyoto 2011), Advanced Studies in Pure Mathematics 70, 2016, pp. 397--420