对数 Calabi-Yau 对的形变可能受阻
代数几何
2022-02-02 v2
摘要
我们给出对 的例子,其中 是光滑射影簇, 是反典则约化简单正规交叉除子,使得 的形变受阻。这些例子通过环面几何构造。
关键词
引用
@article{arxiv.2109.00420,
title = {Deformations of log Calabi-Yau pairs can be obstructed},
author = {Simon Felten and Andrea Petracci and Sharon Robins},
journal= {arXiv preprint arXiv:2109.00420},
year = {2022}
}
备注
13 pages. v2: final version; the base field is now denoted by $\Bbbk$, following the referee's suggestion