中文

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 (X,D)(X,D) 的例子,其中 XX 是光滑射影簇,DD 是反典则约化简单正规交叉除子,使得 (X,D)(X,D) 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