Hilbert-Kunz 重数与 F-签名的连续性
交换代数
2019-12-11 v4
摘要
我们确立了 Hilbert-Kunz 重数和 F-签名作为从素特征的 Cohen-Macaulay 局部环 到实数的函数的连续性,该连续性针对约化参数元并在 -进拓扑下成立。
引用
@article{arxiv.1707.04366,
title = {Continuity of Hilbert-Kunz multiplicity and F-signature},
author = {Thomas Polstra and Ilya Smirnov},
journal= {arXiv preprint arXiv:1707.04366},
year = {2019}
}
备注
New version: as pointed out by Alessandro De Stefani the main theorem for F-signature holds only if the ring is Gorenstein