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» The Theory of Hybrid Automata
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CORR
2011
Springer
141views Education» more  CORR 2011»
13 years 3 months ago
Geometric Semigroup Theory
Geometric semigroup theory is the systematic investigation of finitely-generated semigroups using the topology and geometry of their associated automata. In this article we show h...
Jon McCammond, John Rhodes, Benjamin Steinberg
LATA
2009
Springer
14 years 3 months ago
Rigid Tree Automata
We introduce the class of Rigid Tree Automata (RTA), an extension of standard bottom-up automata on ranked trees with distinguished states called rigid. Rigid states define a rest...
Florent Jacquemard, Francis Klay, Camille Vacher
LICS
2009
IEEE
14 years 3 months ago
An Improved Lower Bound for the Complementation of Rabin Automata
Automata on infinite words (ω-automata) have wide applications in formal language theory as well as in modeling and verifying reactive systems. Complementation of ωautomata is ...
Yang Cai, Ting Zhang, Haifeng Luo
JCSS
2007
107views more  JCSS 2007»
13 years 8 months ago
On the minimization of XML Schemas and tree automata for unranked trees
Automata for unranked trees form a foundation for XML schemas, querying and pattern languages. We study the problem of efficiently minimizing such automata. First, we study unrank...
Wim Martens, Joachim Niehren
DLT
2003
13 years 10 months ago
Complexity Theory Made Easy
In recent years generalized acceptance criteria for different nondeterministic computation models have been examined. Instead of the common definition where an input word is said...
Heribert Vollmer