Some results on complexity of μ-calculus evaluation in the black-box model
RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications, Tome 47 (2013) no. 1, pp. 97-109.

We consider μ-calculus formulas in a normal form: after a prefix of fixed-point quantifiers follows a quantifier-free expression. We are interested in the problem of evaluating (model checking) such formulas in a powerset lattice. We assume that the quantifier-free part of the expression can be any monotone function given by a black-box - we may only ask for its value for given arguments. As a first result we prove that when the lattice is fixed, the problem becomes polynomial (the assumption about the quantifier-free part strengthens this result). As a second result we show that any algorithm solving the problem has to ask at least about n2 (namely Ω(n2/log n)) queries to the function, even when the expression consists of one μ and one ν (the assumption about the quantifier-free part weakens this result).

DOI : 10.1051/ita/2012030
Classification : 68Q17, 03B70
Mots-clés : μ-calculus, black-box model, lower bound, expression complexity
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Parys, Paweł. Some results on complexity of $\mu $-calculus evaluation in the black-box model. RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications, Tome 47 (2013) no. 1, pp. 97-109. doi : 10.1051/ita/2012030. http://archive.numdam.org/articles/10.1051/ita/2012030/

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