Free binary decision diagrams for the computation of EAR n |
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Authors: | Jan Kára Daniel Král’ |
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Affiliation: | (1) Department of Applied Mathematics and Institute for Theoretical Computer Science, Faculty of Mathematics and Physics, Charles University, Malostranské náměstí 25, 118 00 Prague 1, Czech Republic |
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Abstract: | Free binary decision diagrams (FBDDs) are graph-based data structures representing Boolean functions with the constraint (additional to binary decision diagram) that each variable is tested at most once during the computation. The function EARn is the following Boolean function defined for n × n Boolean matrices: EARn(M) = 1 iff the matrix M contains two equal adjacent rows. We prove that each FBDD computing EARn has size at least and we present a construction of such diagrams of size approximately . |
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Keywords: | Binary decision diagrams free binary decision diagrams Boolean functions |
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