A predicative and decidable characteriza
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S. Caporaso; M. Zito; N. Galesi
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Article
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2001
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Elsevier Science
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English
β 149 KB
Characterizations of PTIME, PSPACE, the polynomial hierarchy and its elements are given, which are decidable (membership can be decided by syntactic inspection to the constructions), predicative (according to points of view by Leivant and others), and are obtained by means of increasing restrictions