关于具有平凡局部基本群的孤立辛奇点的注记
代数几何
2025-11-26 v3
摘要
最近，Bellamy 等人受 Beauville 一个问题的启发，构造了无穷系列具有平凡局部基本群的四维孤立辛奇点。在这篇短注中，我们介绍一种构造具有平凡局部基本群的孤立辛奇点（任意维数）的简单方法。我们将使用环面超凯勒构造。
引用
@article{arxiv.2309.13877,
title = {A remark on isolated symplectic singularities with trivial local fundamental group},
author = {Yoshinori Namikawa},
journal= {arXiv preprint arXiv:2309.13877},
year = {2025}
}
备注
2-nd version: Corrected is the justification that Y(A,0) has symplectic singularities. Many typos are corrected. 3-rd version: To appear in Proc. London Math. Soc