A型弱del Pezzo曲面上的挠例外层
代数几何
2018-02-05 v3
摘要
我们研究度数大于2且反典范模型至多具有奇点的弱del Pezzo曲面上的挠例外层。我们证明每个挠例外层均可由一条-曲线上的线丛通过连续作用球面扭转函子得到。
引用
@article{arxiv.1605.01280,
title = {Torsion exceptional sheaves on weak del Pezzo surfaces of Type A},
author = {Pu Cao and Chen Jiang},
journal= {arXiv preprint arXiv:1605.01280},
year = {2018}
}
备注
22 pages. Comments are welcome; v2: typos and statements in section 3 are corrected, other sections remains unchanged; v3: final version, to appear in J. Algebra