摘要
设X*是定义在有限字母表X上的自由半群,研究从X*到X*的同态映射,得到了保持ρe-独立语言,ρb-独立语言,关联码以及p-语言的条件.进一步完善了保持语言的同态映射的研究工作.
Let X*be the free monoid on a finite alphabet X,the homomorphisms from X*into X*is studied.Some conditions which preserveρe-independent languages,ρb-independent languages,inter code and p-languages are got.This work is useful for homomorphisms which preserve languages.
出处
《纺织高校基础科学学报》
CAS
2014年第2期202-205,共4页
Basic Sciences Journal of Textile Universities
基金
Supported by National Natural Science Foundation of China(11226038)
Specialized Research Fund of Education Department of Shaanxi Provincial Govermment(11JK0499)