中文

复阿贝尔簇模空间中的紧子簇

代数几何 2025-11-24 v3 数论

摘要

我们确定了 Ag\mathcal{A}_g 中紧子簇的最大维数,以及过 Ag\mathcal{A}_g 上非常一般点的紧子簇的最大维数,其中 Ag\mathcal{A}_g 是维数为 gg 的复主极化阿贝尔簇的模空间。这也使我们能够对紧型复曲线模空间中的紧子簇得出一些结论。

关键词

引用

@article{arxiv.2404.06009,
  title  = {Compact Subvarieties of the Moduli Space of Complex Abelian Varieties},
  author = {Samuel Grushevsky and Gabriele Mondello and Riccardo Salvati Manni and Jacob Tsimerman},
  journal= {arXiv preprint arXiv:2404.06009},
  year   = {2025}
}

备注

v2: new version, expanded proofs and improved presentation. In particular, we added analysis of a missed case in the possible compact Shimura varieties to be considered. v3: revised version: exposition improved, results and proofs unchanged