Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik GmbH Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik GmbH scholarly article en Kappé, Tobias; Brunet, Paul; Luttik, Bas; Silva, Alexandra; Zanasi, Fabio http://www.dagstuhl.de/lipics License
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Brzozowski Goes Concurrent - A Kleene Theorem for Pomset Languages

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Abstract

Concurrent Kleene Algebra (CKA) is a mathematical formalism to study programs that exhibit concurrent behaviour. As with previous extensions of Kleene Algebra, characterizing the free model is crucial in order to develop the foundations of the theory and potential applications. For CKA, this has been an open question for a few years and this paper makes an important step towards an answer. We present a new automaton model and a Kleene-like theorem that relates a relaxed version of CKA to series-parallel pomset languages, which are a natural candidate for the free model. There are two substantial differences with previous work: from expressions to automata, we use Brzozowski derivatives, which enable a direct construction of the automaton; from automata to expressions, we provide a syntactic characterization of the automata that denote valid CKA behaviours.

BibTeX - Entry

@InProceedings{kapp_et_al:LIPIcs:2017:7791,
  author =	{Tobias Kapp{\'e} and Paul Brunet and Bas Luttik and Alexandra Silva and Fabio Zanasi},
  title =	{{Brzozowski Goes Concurrent - A Kleene Theorem for Pomset Languages}},
  booktitle =	{28th International Conference on Concurrency Theory (CONCUR 2017)},
  pages =	{25:1--25:16},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-048-4},
  ISSN =	{1868-8969},
  year =	{2017},
  volume =	{85},
  editor =	{Roland Meyer and Uwe Nestmann},
  publisher =	{Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{http://drops.dagstuhl.de/opus/volltexte/2017/7791},
  URN =		{urn:nbn:de:0030-drops-77913},
  doi =		{10.4230/LIPIcs.CONCUR.2017.25},
  annote =	{Keywords: Kleene theorem, Series-rational expressions, Automata, Brzozowski derivatives, Concurrency, Pomsets}
}

Keywords: Kleene theorem, Series-rational expressions, Automata, Brzozowski derivatives, Concurrency, Pomsets
Seminar: 28th International Conference on Concurrency Theory (CONCUR 2017)
Issue date: 2017
Date of publication: 2017


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