中文

抛物 $G$-束栈上线丛及其章节

alg-geom 2008-02-03 v3 代数几何

摘要

XX 为光滑、完备且连通的曲线,GGC\mathbb{C}上的一个简单且单连通代数群。我们计算了准抛物 GG-束模栈的Picard群,并将其成员的章节空间识别为Tsuchiya、Ueno 和 Yamada的共形块。我们描述了这些栈上的规范丛,并证明它们唯一 admits 一个平方根,我们将对其进行显式构造。最后我们表明这些结果如何作用于粗模空间并恢复(并推广)Drezet-Narasimhan 定理。我们进一步指出,对于 r7r\geq 7SOrSO_r-束的粗模空间在局部不可约。

关键词

引用

@article{arxiv.alg-geom/9507002,
  title  = {The line bundles on the stack of parabolic $G$-bundles over curves and their sections},
  author = {Yves Laszlo and Christoph Sorger},
  journal= {arXiv preprint arXiv:alg-geom/9507002},
  year   = {2008}
}

备注

LaTeX2e with package amsart, 31 pages, no figures. This is a revised version of our paper (mainly, the introduction and the section on pfaffians have been changed). The TeX file, as well as the .dvi and .ps files are also available at ftp://ftp.mathp7.jussieu.fr/pub/sorger