超曲面的高阶 Du Bois 与高阶有理奇点
代数几何
2024-12-13 v4
摘要
在本注记中,我们给出了全局定义超曲面背景下高阶 Du Bois 与高阶有理奇点的若干等价刻画。作为一个关键输入,我们利用消失循环混合 Hodge 模上的 Hodge 滤过来刻画这些奇点。作为一个应用,我们指出一个用于探测高阶 Du Bois 与高阶有理超曲面奇点的同调判据,其用谱 Hirzebruch-Milnor 特征类表述。
引用
@article{arxiv.2301.09084,
title = {Higher Du Bois and higher rational singularities of hypersurfaces},
author = {Laurenţiu Maxim and Ruijie Yang},
journal= {arXiv preprint arXiv:2301.09084},
year = {2024}
}
备注
v3: Title changed, references added and exposition reorganized; v2: convention of vanishing cycle mixed Hodge module is changed and the proof of Lemma 3.13 is rewritten; v1: 18 pages, comments are welcome!