We define new subclasses of the class of irreducible sofic shifts. These classes form an infinite hierarchy where the lowest class is the class of almost finite type shifts introduced by B. Marcus. We give effective characterizations of these classes with the syntactic semigroups of the shifts. © Springer-Verlag 2004.
CITATION STYLE
Béai, M. P., Fiorenzi, P., & Perrin, D. (2004). A hierarchy of irreducible sofie shifts. Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 3153, 611–622. https://doi.org/10.1007/978-3-540-28629-5_47
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