对偶复形由其环扩张:Tachikawa 猜想的交换版本
交换代数
2007-05-23 v2
摘要
设 为具有对偶复形 的交换诺特局部环,其正规化条件为 。部分受 Tachikawa 关于有限秩(未必交换)-代数的一个长期未解猜想的启发,我们猜想若对所有 有 ,则 为 Gorenstein 环,并在若干重要情形中证明了该猜想。
引用
@article{arxiv.math/0208172,
title = {Extensions of a Dualizing Complex by its Ring: Commutative Versions of a Conjecture of Tachikawa},
author = {L. L. Avramov and R. -O. Buchweitz and L. M. Sega},
journal= {arXiv preprint arXiv:math/0208172},
year = {2007}
}
备注
18 pages, to appear in Journal of Pure and Appl. Algebra. Following the comments of the referee, we removed the old section 6 and added a new section 1