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Branching Automata and Pomset Automata

Author Nicolas Bedon

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Author Details

Nicolas Bedon
  • LITIS (EA 4108), University of Rouen, France

Acknowledgements

The author would like to thank the anonymous referees of this paper, whose comments helped in improving its quality.

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Nicolas Bedon. Branching Automata and Pomset Automata. In 41st IARCS Annual Conference on Foundations of Software Technology and Theoretical Computer Science (FSTTCS 2021). Leibniz International Proceedings in Informatics (LIPIcs), Volume 213, pp. 37:1-37:13, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2021) https://doi.org/10.4230/LIPIcs.FSTTCS.2021.37

Abstract

We compare, in terms of expressive power, two notions of automata recognizing finite N-free pomsets: branching automata by Lodaya and Weil [Lodaya and Weil, 1998; Lodaya and Weil, 1998; Lodaya and Weil, 2000; Lodaya and Weil, 2001] and pomset automata by Kappé, Brunet, Luttik, Silva and Zanasi [Kappé et al., 2018]. In the general case, they are equivalent. We also consider sub-classes of both kind of automata that we prove equivalent.

Subject Classification

ACM Subject Classification
  • Theory of computation → Regular languages
Keywords
  • Finite N-free Pomsets
  • Finite Series-Parallel Pomsets
  • Branching Automata
  • Pomset Automata
  • Series-Parallel Rational Languages

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References

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