中文

第二陈类等于4的射影空间上秩2自反层

代数几何 2025-05-06 v2

摘要

我们研究P3\mathbb{P}^3c2=4c_2=4的秩2自反层,扩展了之前c23c_2\le3的结果。我们证明每个先前未被排除的谱都能实现。此外,详细研究并描述了c1=1c_1=-100c38c_3\ge8时的模空间。

关键词

引用

@article{arxiv.2312.05509,
  title  = {Rank-two reflexive sheaves on the projective space with second Chern class equal to four},
  author = {Marcos Jardim and Alan Muniz},
  journal= {arXiv preprint arXiv:2312.05509},
  year   = {2025}
}

备注

Minor changes in exposition suggested by an anonymous referee. Comments are still very welcome!