On Bi-Decompositions of Logic Functions

On Bi-Decompositions of Logic Functions
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DOI:
10.21236/ada593005
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发表时间:
1997-05
期刊:
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通讯作者:
Tsutomu Sasao;J. T. Butler
Tsutomu Sasao;J. T. Butler
中科院分区:
其他
文献类型:
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作者:
Tsutomu Sasao;J. T. Butler

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摘要:逻辑函数f具有不交双分解当且仅当f可表示为f = h(g1(X1); g2(X2)),其中X1和X2是不交的变量集,h是任意二元逻辑函数。f具有非不交的二次组合i f可以表示为f(X1; X2; x)= h(g1(X1; x); g2(X2; x)),其中x是公共变量。在本文中,我们展示了一个快速的方法来找到bidcompositions。此外,我们列举了具有投标组合的函数的数量。
Abstract : A logic function f has a disjoint bi-decomposition iff f can be represented as f = h(g1(X1); g2(X2)), where X1 and X2 are disjoint set of variables, and h is an arbitrary two-variable logic fuction. f has a non-disjoint bidecomposition i f can be represented as f(X1;X2; x) = h(g1(X1; x); g2(X2; x)), where x is the common variable. In this paper, we show a fast method to find bidecompositions. Also, we enumerate the number of functions having bidecompositions.