<p>Margolis, Rhodes and Schilling recently submitted two papers that proved that the complexity of a finite semigroup is computable. The purpose of this paper is to survey the basic results of Krohn–Rhodes complexity of finite semigroups and to outline the proof of its computability.</p>

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Complexity of Finite Semigroups: History and Decidability

  • Stuart Margolis,
  • John Rhodes,
  • Anne Schilling

摘要

Margolis, Rhodes and Schilling recently submitted two papers that proved that the complexity of a finite semigroup is computable. The purpose of this paper is to survey the basic results of Krohn–Rhodes complexity of finite semigroups and to outline the proof of its computability.