摘要
引入n-Ding投射模和n-Ding内射模,讨论了两类模的同调性质,研究了模的n-Ding投射性在优越扩张下的遗传性。
n-Ding projective and n-Ding injective modules are introduced,the homological properties of these two kinds of modules are discussed,and the hereditary property of the n-Ding projectiveness of module under the excellent extension is investigated.
作者
张铭
张文汇
ZHANG Ming;ZHANG Wen-hui(College of Mathematics and Statistics,Northwest Normal University,Lanzhou 730070,Gansu,China)
出处
《山东大学学报（理学版）》
CAS
CSCD
北大核心
2019年第4期60-66,共7页
Journal of Shandong University(Natural Science)
基金
国家自然科学基金资助项目(11201376)
