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 -分层方法的比较。
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