A weak equivalence between shifts of finite type

被引:2
|
作者
Béal, MP [1 ]
Perrin, D [1 ]
机构
[1] Univ Marne Vallee, Inst Gaspard Monge, Marne La Vallee 2, France
关键词
D O I
10.1016/S0196-8858(02)00004-0
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We introduce the following notion of weak equivalence between shifts of finite type. Two shifts of finite type S and T are equivalent if and only if there are finite alphabets A and B and sliding block maps f from A(Z) to B-Z and g from B-Z to A(Z) such that S subset of A(Z), T subset of B-Z, S = f(-1) (T) and T = g(-1) (S). We give a necessary condition for this equivalence and we show how to decide the equivalence when the shifts are given by finite circular codes. (C) 2002 Elsevier Science (USA). All rights reserved.
引用
收藏
页码:162 / 171
页数:10
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