Topological conjugacy on the complement of the periodic points

Autor: Stephen M. Shea
Rok vydání: 2012
Předmět:
Zdroj: Indagationes Mathematicae. 23:300-310
ISSN: 0019-3577
DOI: 10.1016/j.indag.2011.12.002
Popis: We will say that two subshifts are essentially conjugate if they are topologically conjugate on the complement of their periodic points. In 1990, Susan Williams presented an example of a sofic shift that is not topologically conjugate to a renewal system. We show that the example of Williams is essentially conjugate to a renewal system. We also present an example of a renewal system that is essentially conjugate to a shift of finite type but not topologically conjugate to a shift of finite type. Finally, we prove that all renewal systems that meet a certain technical condition are essentially conjugate to a shift of finite type.
Databáze: OpenAIRE