摘要
定义并确定了自由幺半群上的准严格关系,讨论了所有准严格关系的集合及其若干子集的序性质,并证明了余相容准严格关系的无关语言都是码.
The concept that quasi -strict relation on free monoids was introduced,a characterization for quasi -strict relations was given,the ordering properties of the set of all quasi -strict relations as well as some subsets of it were exhibited.Moreover,it is proved that the independent languages of co-compatible quasi-strict relations are codes.
出处
《湖南科技大学学报(自然科学版)》
CAS
北大核心
2015年第2期93-98,共6页
Journal of Hunan University of Science And Technology:Natural Science Edition
基金
湖南省科技计划项目(2013FJ4047)
关键词
码
无关集
准严格关系
余相容关系
code
independent set
quasi -strict relation
co -compatible relation