Apéry-Fermi铅笔K3曲面之间的同源映射
代数几何
2024-10-11 v3
摘要
属于Apéry-Fermi铅笔()的曲面的椭圆纤维化可能具有或阶挠截面,在上定义阶为或的自同构。首先考虑奇异曲面某些纤维化在二阶挠截面情形下的,并如同奇异曲面那样得到与相关的Kummer曲面或自身。最后一种情况与上的复乘法相关。我们还证明对于所有具阶挠截面的纤维化均有。对于结果不同,其中可得具有超越格或的两曲面之一。我们还显式地联系了纤维化上的-同源与另一些纤维化上的基变换。
引用
@article{arxiv.2203.04151,
title = {Isogenies between $K3$ surfaces of the Ap\'ery-Fermi pencil},
author = {Marie José Bertin and Odile Lecacheux},
journal= {arXiv preprint arXiv:2203.04151},
year = {2024}
}
备注
39 pages. The difference with the earlier versions is that certain results have been proved with new methods. arXiv admin note: substantial text overlap with arXiv:2006.16108