Abstract
A binary decision diagram (BDD) is a directed acyclic graph for representing a Boolean function. BDD's are widely used in various areas which require Boolean function manipulation, since BDD's can represent efficiently many of practical Boolean functions and have other desirable properties. However the complexity of constructing BDD's has hardly been researched theoretically. In this paper, we prove that the optimal variable ordering problem of shared BDD's is NP-complete, and touch on the hardness of this problem and related problems of BDD's.
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© 1993 Springer-Verlag Berlin Heidelberg
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Tani, S., Hamaguchi, K., Yajima, S. (1993). The complexity of the optimal variable ordering problems of shared binary decision diagrams. In: Ng, K.W., Raghavan, P., Balasubramanian, N.V., Chin, F.Y.L. (eds) Algorithms and Computation. ISAAC 1993. Lecture Notes in Computer Science, vol 762. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-57568-5_270
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DOI: https://doi.org/10.1007/3-540-57568-5_270
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