半群的拟直积合成  

THE COMPOSITION OF QUASI- DIRECT PRODUCT OF SEMIGROUPS

作　　者：于晓明[1] 王飞[2] 

机构地区：[1]山东师范大学数学科学学院,济南250014 [2]复旦大学计算机科学技术学院,上海200433

出　　处：《山东师范大学学报（自然科学版）》2011年第4期13-15,18,共4页Journal of Shandong Normal University(Natural Science)

摘　　要：笔者在给出半群的拟直积定义的基础上，主要研究了两个半群所属类型和它们的拟直积所属半群类型之间的关系，并讨论了商半群的拟直积．On the basis of giving the definiton of quasi - direct of semigroup,this paper researches mainly on the relationship between the type which the two semigroup belong to and the type of semigroup which their quasi - direct belong to,besides a discussion about the quasi - direct of operator semigroup is presented in the paper.

关 键 词：半群 半群的拟直积 正则半群 

分 类 号：O152.7[理学—数学]