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IEICE TRANSACTIONS on Fundamentals

Implicit Representation and Manipulation of Binary Decision Diagrams

Hitoshi YAMAUCHI, Nagisa ISHIURA, Hiromitsu TAKAHASHI

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Summary :

This paper presents implicit representation of binary decision diagrams (implicit BDDs) as a new effecient data structure for Boolean functions. A well-known method of representing graphs by binary decision diagrams (BDDs) is applied to BDDs themselves. Namely, it is a BDD representation of BDDs. Regularity in the structure of BDDs representing certain Boolean functions contributes to significant reduction in size of the resulting implicit BDD repersentation. Since the implicit BDDs also provide canonical forms for Boolean functions, the equivalence of the two implicit BDD forms is decided in time proportional to the representation size. We also show an algorithm to maniqulate Boolean functions on this implicit data structure.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E79-A No.3 pp.354-362
Publication Date
1996/03/25
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Type of Manuscript
Special Section PAPER (Special Section of Selected Papers from the 8th Karuizawa Workshop on Circuits and Systems)
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