中文

抛物向量丛模栈的 Harder-Narasimhan 分层

代数几何 2021-06-10 v3

摘要

对每一组抛物权,我们为曲线上抛物向量丛的模栈构造一个 Harder-Narasimhan 分层。它基于 Mehta 与 Seshadri 引入的抛物斜率概念。我们还证明该分层是概型的,每一层是完备的,并建立了抛物向量丛的 Behrend 猜想类比。文中讨论了与近期 Θ\Theta-分层方法的比较。

关键词

引用

@article{arxiv.2101.08871,
  title  = {Harder-Narasimhan stratification for the moduli stack of parabolic vector bundles},
  author = {Andres Fernandez Herrero},
  journal= {arXiv preprint arXiv:2101.08871},
  year   = {2021}
}

备注

55 pages, introduction was rewritten and some sections were reorganized