On the Numbers of Products in Prefix SOPs for Interval Functions

On the Numbers of Products in Prefix SOPs for Interval Functions
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关于区间函数前缀SOP中的乘积数

DOI:
10.1587/transinf.e96.d.1086
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发表时间:
2013
期刊:
IEICE Trans. Inf. Syst.
影响因子:
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通讯作者:
Tsutomu Sasao
Tsutomu Sasao
中科院分区:
--
文献类型:
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作者:
Infall Syafalni;Tsutomu Sasao

文献摘要

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首先,本文推导了区间函数的前缀乘积和表达式(PreSOP)和PreSOP中的乘积个数。其次,它导出了可以用τp乘积表示的n元区间函数的个数<$(n,τ p)。最后,它表明,当n足够大时,超过99.9%的n-变量区间函数可以用3 n − 1乘积表示。这些结果是有用的
SUMMARY First, this paper derives the prefix sum-of-products expression (PreSOP) and the number of products in a PreSOP for an interval function. Second, it derives Ψ(n ,τ p), the number of n-variable interval functions that can be represented with τp products. Finally, it shows that more than 99.9% of the n-variable interval functions can be represented with � 3n − 1� products, when n is sufficiently large. These results are use