摘要
给出一般情形下关于导出偶的一个结果，然后用谱序列的极限项刻划了可换凝聚环（或可换凝聚局部环）上有限表现模的投射维数．
result on the derived couples is obtained, then with the limit of spectral sequences the projective dimension of a finitely presented module over a commutative coherent ring(or commutative coherent quasi-local ring) is characterized.
出处
《东南大学学报（自然科学版）》
EI
CAS
CSCD
1996年第3期63-67,共5页
Journal of Southeast University：Natural Science Edition
关键词
谱序列
导出偶
可换凝聚环
张量积
复形
xact couple
spectral sequence
limit of spectral sequence
filter
