<p>We investigate the relationship of languages characterized by variants of string assembling systems and by Watson-Crick finite automata with a small number of states. Besides the general variant, we consider so-called free, and pure string assembling systems and compare their language generating power to Watson-Crick finite automata having one state (also called stateless) and two or three states in their state sets. We also study restricted variants of models that describe unary languages.</p>

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Watson-Crick finite automata of small size and variants of string assembling systems

  • András Murvai,
  • György Vaszil

摘要

We investigate the relationship of languages characterized by variants of string assembling systems and by Watson-Crick finite automata with a small number of states. Besides the general variant, we consider so-called free, and pure string assembling systems and compare their language generating power to Watson-Crick finite automata having one state (also called stateless) and two or three states in their state sets. We also study restricted variants of models that describe unary languages.