雅可比代数与雅可比模的莱夫谢茨性质
代数几何
2023-10-20 v3
摘要
设为复射影空间()中次数且具有仅孤立奇点的超曲面。设为相应的雅可比代数,为中避开的奇点但使得为奇异的超平面。我们将由线性形式的乘法所诱导的线性映射的莱夫谢茨型性质与超平面截面的奇点联系起来。对雅可比模也得到了类似的结果。
引用
@article{arxiv.2202.02233,
title = {Lefschetz properties of Jacobian algebras and Jacobian modules},
author = {Alexandru Dimca and Giovanna Ilardi},
journal= {arXiv preprint arXiv:2202.02233},
year = {2023}
}
备注
This new version, where some details are added and some references are updated, is accepted for publication in Annali della Scuola Normale Superiore di Pisa