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ICALP
1997
Springer
15 years 10 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 10 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 11 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 10 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 10 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