摘要
通过广义的推出 (GPO)和广义的拉回 (GPB)结构 ,本文主要得到了关于反射及其对偶的一个判别准则 .
The main purpose of the present paper is to present a criteria of reflection and its dual through generalized pushout ( GPO ) and generalized pullback ( GPB ) structures. Several results related to reflective and coreflective subcategories are obtained.
出处
《曲阜师范大学学报(自然科学版)》
CAS
1996年第3期1-6,共6页
Journal of Qufu Normal University(Natural Science)
关键词
反射
反射子范畴
稠密子范畴
范畴
余反射
Reflection Reflective subcategory dense subcategory GPB category GPO category GPB functor GPO functor generator