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 是否为左正交或强左正交(即线丛对 为例外或强例外对)。
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