摘要
设C是abelian范畴,w、x是C的反变有限子范畴,且w■x,则加法范畴(C/w)/(x/w)是一个左三角范畴。
Based on the preposition that C be an abelian category, w, x be a contravariantly finite subcategory of C and w∈x,a conclusion that the additive category (C/x)/(x/w) is a left triangulated category is reached.
出处
《佛山科学技术学院学报(自然科学版)》
CAS
2011年第6期40-43,共4页
Journal of Foshan University(Natural Science Edition)
基金
安徽省教育厅自然科学研究重点项目
关键词
左三角范畴
反变有限
共变有限
left triangulated category
contravariantly finite
convariantly [inite