摘要
定义了范畴中态射集的ｓｈａｒｐ序，给出了它的一些性质和等价刻划，并讨论了它与态射集减序的关系．
This paper defines the sharp partial ordering for a morphism set in a category . Its some properties and equivalent characterizations are also given. Furthermore , the relation between the sharp partial ordering and the minus partial ordering is discussed.
出处
《华中师范大学学报（自然科学版）》
CAS
CSCD
北大核心
1998年第2期129-132,共4页
Journal of Central China Normal University：Natural Sciences
基金
江西省自然科学基金
关键词
态射
群逆
sharp序
范畴
morphism
group inverse
sharp partial ordering
