GV层、Fourier-Mukai变换与广义消没
代数几何
2009-11-18 v4
摘要
我们使用同调方法建立广义消没的形式判据,其意义源于Green和Lazarsfeld,并由Hacon和第一作者进一步推进,但置于任意Fourier-Mukai对应之下。对于光滑射影簇,我们应用此判据推导出形如(其中为nef线丛)的伴随丛的Kodaira型广义消没定理,事实上还有关于乘子理想层的更一般的Nadel型广义消没定理。同样在Picard簇的语境下,同一方法通过归约到标准消没定理生成了各种其他广义消没结果。我们进一步使用该形式判据来处理与高秩模空间(曲线上及某些三维Calabi-Yau纤维化上)的广义消没相关的例子。
引用
@article{arxiv.math/0608127,
title = {GV-sheaves, Fourier-Mukai transform, and Generic Vanishing},
author = {Giuseppe Pareschi and Mihnea Popa},
journal= {arXiv preprint arXiv:math/0608127},
year = {2009}
}
备注
28 pages; many more corrections and improved statements with respect to previous versions; especially fixed some inaccuracies pointed out by the referees when working with singular varieties,and extended the general results to the Cohen-Macaulay case. Final version, to appear in Amer. J.Math