Embeddings of local automata

被引：0
|
作者：
Beal, Marie-Pierre [1 ]
Lombardy, Sylvain [1 ]
Perrin, Dominique [1 ]
机构：
[1] Univ Paris Est, Inst Gaspard Monge, F-77454 Marne La Vallee, France
来源：
2008 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY PROCEEDINGS, VOLS 1-6 | 2008年
关键词：
D O I：
10.1109/ISIT.2008.4595411
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
A local automaton is by definition such that a bounded information about the past and the future is enough to determine the present state. Due to this synchronization property, these automata play an important role for coding purposes. We prove that any irreducible local automaton is contained in a complete one. The proof uses a result from symbolic dynamics due to M. Nasu called the masking lemma. A consequence of this result in the theory of variable length codes is that any locally parsable regular code is included in a maximal one with the same synchronisation delay.
引用
收藏
页码：2351 / 2355
页数：5
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