We study the computational power of decision lists over AND-functions versus threshold-⊕ circuits. AND-decision lists are a natural generalization of formulas in disjunctive or conjunctive normal form. We showthat, in contrast to CNF- and DNF-formulas, there are functions with small AND-decision lists which need exponential size unbounded weight threshold-⊕ circuits. This implies that Jackson’s polynomial learning algorithm for DNFs [7] which is based on the efficient simulation of DNFs by polynomial weight threshold-⊕ circuits [8], cannot be applied to AND-decision lists. A further result is that for all k ≥ 1 the complexity class defined by polynomial length ACk0-decision lists lies strictly between ACk0+1 and ACk0+2.
CITATION STYLE
Krause, M. (2002). On the computational power of boolean decision lists. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 2285, pp. 372–383). Springer Verlag. https://doi.org/10.1007/3-540-45841-7_30
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