任意特征中的准 Gorenstein (正规) 有限覆盖
交换代数
2025-03-28 v2
摘要
我们证明,任意完整局部 (正规) 域都存在一个模块有限的准 Gorenstein 正规 (完整局部) 域的延拓。在几何层面上,我们证明,任意正规射影 Variety 存在一个从正规准 Gorenstein 射影 Variety 到 的有限满射射映像。值得注意的是,我们的结果解决了残差特征为 2 的 previously 开放的情形。
引用
@article{arxiv.2410.15149,
title = {Quasi-Gorenstein (Normal) Finite Covers in Arbitrary Characteristic},
author = {Ehsan Tavanfar},
journal= {arXiv preprint arXiv:2410.15149},
year = {2025}
}
备注
Two sections are added. One section establishes the quasi-quasi-Gorenstein finite covers for projective varieties. The other one gives a converse to a result of Paul C. Roberts, with an application. Accepted for publication in the Proceedings of the American Mathematical Society