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N. Bertrand, A. Stainer, T. Jéron, M. Krichen. A game approach to determinize timed automata. In 14th International Conference on Foundations of Software Science and Computation Structures (FOSSACS), LNCS, Volume 6604, Pages 245-259, Saarbrücken, Germany, April 2011.

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Timed automata are frequently used to model real-time systems. Their determinization is a key issue for several validation problems. However, not all timed automata can be determinized, and determinizability itself is undecidable. In this paper, we propose a game-based algorithm which, given a timed automaton with epsilon-transitions and invariants, tries to produce a language-equivalent deterministic timed automaton, otherwise a deterministic over-approximation. Our method subsumes two recent contributions: it is at once more general than the recent determinization procedure and more precise than the existing approximation algorithm


Nathalie Bertrand http://www.irisa.fr/prive/nbertran/
Thierry Jéron http://www.irisa.fr/prive/jeron

BibTex Reference

   Author = {Bertrand, N. and Stainer, A. and Jéron, T. and Krichen, M.},
   Title = {A game approach to determinize timed automata},
   BookTitle = {14th International Conference on Foundations of Software Science and Computation Structures (FOSSACS)},
   Volume = {6604},
   Pages = {245--259},
   Series = {LNCS},
   Publisher = {Springer},
   Address = {Saarbrücken, Germany},
   Month = {April},
   Year = {2011}

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