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ICALP
1997
Springer
15 years 5 months ago
Discrete-Time Control for Rectangular Hybrid Automata
Rectangular hybrid automatamodel digital control programs of analog plant environments. We study rectangular hybrid automatawhere the plant state evolves continuously in real-numbe...
Thomas A. Henzinger, Peter W. Kopke
CONCUR
2006
Springer
15 years 5 months ago
On Interleaving in Timed Automata
We propose a remedy to that part of the state-explosion problem for timed automata which is due to interleaving of actions. We prove the following quite surprising result: the unio...
Ramzi Ben Salah, Marius Bozga, Oded Maler
TACAS
2004
Springer
107views Algorithms» more  TACAS 2004»
15 years 6 months ago
Decidable and Undecidable Problems in Schedulability Analysis Using Timed Automata
Abstract. We study schedulability problems of timed systems with nonuniformly recurring computation tasks. Assume a set of real time tasks whose best and worst execution times, and...
Pavel Krcál, Wang Yi
FM
2001
Springer
108views Formal Methods» more  FM 2001»
15 years 6 months ago
Improvements in BDD-Based Reachability Analysis of Timed Automata
To develop efficient algorithms for the reachability analysis of timed automata, a promising approach is to use binary decision diagrams (BDDs) as data structure for the representa...
Dirk Beyer
COCO
2010
Springer
215views Algorithms» more  COCO 2010»
15 years 5 months ago
Symmetry Coincides with Nondeterminism for Time-Bounded Auxiliary Pushdown Automata
—We show that every language accepted by a nondeterministic auxiliary pushdown automaton in polynomial time (that is, every language in SAC1 = Log(CFL)) can be accepted by a symm...
Eric Allender, Klaus-Jörn Lange