中文

曲面上有效除子的左正交性判据

代数几何 2016-11-01 v2

摘要

我们找到了一个判据,用于判断光滑曲面上的一个有效除子 DD 是否为左正交或强左正交(即线丛对 (O,O(D))(\mathcal O,\mathcal O(D)) 为例外或强例外对)。

关键词

引用

@article{arxiv.1610.02325,
  title  = {A criterion for left-orthogonality of an effective divisor on a surface},
  author = {Alexey Elagin},
  journal= {arXiv preprint arXiv:1610.02325},
  year   = {2016}
}

备注

This note is an extended chapter from the first version of our joint paper arXiv:1505.06477v1 with Valery Lunts. It was eliminated in the latter versions of the above paper. v2: acknowledgements added. 14 pages