摘要
该文首先举出例子说明Bergman G的命题1中的条件:|XG|在Ｒ中可逆不可省去,同时获得不动子环的一些一般结果．其次考虑不动子环的各种同调维数(其中包括有限表现维数),在某种程度上,该文改进了Bereman G等人的结果．
Abstract :We first give two examples and obtain some general results on fixed subring. Then, We investigate group actions and homological dimensions. including the finitely presented dimension. In one way,We improve the results of Bergman G et al.
出处
《江西师范大学学报（自然科学版）》
CAS
1995年第3期206-210,共5页
Journal of Jiangxi Normal University(Natural Science Edition)
基金
The Reserch Has Been Supported by National Foundation of Natural Science of China.
