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» Automata as Abstractions
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HYBRID
2000
Springer
15 years 7 months ago
Decidability and Complexity Results for Timed Automata and Semi-linear Hybrid Automata
Abstract. We define a new class of hybrid automata for which reachability is decidable--a proper superclass of the initialized rectangular hybrid automata--by taking parallel compo...
Joseph S. Miller
FROCOS
2007
Springer
15 years 9 months ago
Languages Modulo Normalization
Abstract. We propose a new class of tree automata, called tree automata with normalization (TAN). This framework extends equational tree automata, and improved the results of them:...
Hitoshi Ohsaki, Hiroyuki Seki
JUCS
2002
91views more  JUCS 2002»
15 years 3 months ago
On Quasi-Products of Tree Automata
Abstract: In this paper we introduce the concept of the quasi-product of tree automata. In a quasi-product the inputs of the component tree automata are operational symbols in whic...
Ferenc Gécseg
CONCUR
2009
Springer
15 years 10 months ago
Strict Divergence for Probabilistic Timed Automata
Abstract. Probabilistic timed automata are an extension of timed automata with discrete probability distributions. In previous work, a probabilistic notion of time divergence for p...
Jeremy Sproston
153
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FSTTCS
2009
Springer
15 years 10 months ago
On Nondeterministic Unranked Tree Automata with Sibling Constraints
ABSTRACT. We continue the study of bottom-up unranked tree automata with equality and disequality constraints between direct subtrees. In particular, we show that the emptiness pro...
Christof Löding, Karianto Wong