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Higher-Dimensional Timed and Hybrid Automata

Author Uli Fahrenberg



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Uli Fahrenberg
  • EPITA Research and Development Laboratory (LRDE), France

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Uli Fahrenberg. Higher-Dimensional Timed and Hybrid Automata. In LITES, Volume 8, Issue 2 (2022): Special Issue on Distributed Hybrid Systems. Leibniz Transactions on Embedded Systems, Volume 8, Issue 2, pp. 03:1-03:16, Schloss Dagstuhl - Leibniz-Zentrum für Informatik (2022)
https://doi.org/10.4230/LITES.8.2.3

Abstract

We introduce a new formalism of higher-dimensional timed automata, based on Pratt and van Glabbeek’s higher-dimensional automata and Alur and Dill’s timed automata. We prove that their reachability is PSPACE-complete and can be decided using zone-based algorithms. We also extend the setting to higher-dimensional hybrid automata.The interest of our formalism is in modeling systems which exhibit both real-time behavior and concurrency. Other existing formalisms for real-time modeling identify concurrency and interleaving, which, as we shall argue, is problematic.

Subject Classification

ACM Subject Classification
  • Theory of computation → Concurrency
  • Theory of computation → Timed and hybrid models
Keywords
  • timed automaton
  • higher-dimensional automaton
  • precubical set
  • real time
  • non-interleaving concurrency
  • hybrid automaton

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