Homomorphisms Preserve Some Languages Related to Prefix Codes

被引:0
|
作者
Cao Chunhua [1 ]
Geng Jingrong [2 ]
Yang Di [3 ,4 ]
Sha Li [4 ]
机构
[1] Yunnan Univ, Sch Math & Stat, Yunnan, Kunming, Peoples R China
[2] Yunnan Coll Business Management, Dept Fdn, Kunming, Peoples R China
[3] Kunming Univ Sci & Technol, Fac Mat & Met Engn, Kunming, Peoples R China
[4] Yunnan Univ Finance & Econ, Informat Sch, Kunming, Peoples R China
关键词
homomorphism; prefix code; left singular languages; rho(d)-independent languages;
D O I
暂无
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
Let X* be the free monoid on a finite alphabet X. This paper deals with homomorphisms over X* which preserve prefix codes, left singular languages and rho(d)- independent languages. Prefix codes preserving homomorphism which we discuss is a modification in the paper by Shyr and. Thierrin in 1977.
引用
收藏
页码:257 / +
页数:3
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