摘要
分别用序半群的左序理想、元素、L -类、N -类的表示给出序半群中N -类的左单性的若干刻划 .
Characterizations of the left simplicity of N-classes in po-semigroups are given respectively in terms of the following:left ordered ideals,elements,L-classes,and expressions for the N-classes of po-semigroups.As an application of the results in this paper,the corresponding results on semigroups without order can be obtained.
出处
《山东师范大学学报（自然科学版）》
CAS
2001年第2期121-124,共4页
Journal of Shandong Normal University(Natural Science)
基金
山东省自然科学基金资助项目!(Y 99A 0 3)
关键词
序半群
左序理想
左单序半群
左单性
刻划
ordered semigroup
left ordered ideal
left simple ordered semigroup
