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2003 | OriginalPaper | Buchkapitel

CTL+ Is Complete for Double Exponential Time

verfasst von : Jan Johannsen, Martin Lange

Erschienen in: Automata, Languages and Programming

Verlag: Springer Berlin Heidelberg

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We show that the satisfiability problem for CTL+, the branching time logic that allows boolean combinations of path formulas inside a path quantifier but no nesting of them, is 2-EXPTIME-hard. The construction is inspired by Vardi and Stockmeyer’s 2-EXPTIME-hardness proof of CTL*’s satisfiability problem. As a consequence, there is no subexponential reduction from CTL+ to CTL which preserves satisfiability.

Metadaten
Titel
CTL+ Is Complete for Double Exponential Time
verfasst von
Jan Johannsen
Martin Lange
Copyright-Jahr
2003
Verlag
Springer Berlin Heidelberg
DOI
https://doi.org/10.1007/3-540-45061-0_60

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