摘要
本文研究了保向圆同胚的禁止字(简称DEB),给出了一个符号串是禁止字的充要条件,并给出了知道映射旋转数时求语言禁止字的方法。
Distinct excluded blocks ( DEBs ) of circle homcomorphisnis arc studied in this paper. The necessary and sufficient condition for a word being a DEB is obtained . The method is given to write all DEBs of a language with the rotation number known.
出处
《苏州大学学报（自然科学版）》
CAS
1997年第2期34-43,共10页
Journal of Soochow University(Natural Science Edition)
基金
Supported jomtly by National Basic Research Project'Nonlinear Science'
Natural Science Foundation of Jiangsu Province
