Reliability measures in relation to the h-extra edge-connectivity of folded hypercubes

Reliability measures in relation to the h-extra edge-connectivity of folded hypercubes
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与折叠超立方体的 h 额外边连通性相关的可靠性测量

DOI:
10.1016/j.tcs.2015.11.049
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发表时间:
2016-02
影响因子:
1.1
通讯作者:
Xing Feng
Xing Feng
中科院分区:
计算机科学4区
文献类型:
--
作者:
Mingzu Zhang;Lianzhu Zhang;Xing Feng

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折叠超立方体FQn是由A.El-Amawy和S.Latifi于1991年提出的超立方体Qn的变形。多处理机系统底层拓扑图的h-额外边连通度是多处理机系统可靠性的一种度量。本文确定了λh(Fq N)对于整数h,1≤h≤2⌈n 2⌉+1和6≤n的精确值,推广了h≤n的几个已知结果.更有趣的是,我们还证明了λh(Fq N)是常数(⌈n 2⌉−r+1)2⌊n 2⌋+r对于2⌊n 2⌋+r−L r≤h≤2⌊n 2⌋+r,其中r=1,2,…,⌈n 2⌉−1和L r=2 2r−1 3(n为奇数)和L r=2 2 r+1−2 3(n为偶数特别地,对于r=⌈n 2⌉−1,⌊2 n+2 3⌋≤h≤2 n−1,λh(Fq N)=2 n.
The folded hypercube FQ n, as a variation of the hypercube Q n, was proposed by A. El-Amawy and S. Latifi in 1991. The h-extra edge-connectivity of the underlying topological graph of a multiprocessor system is a kind of measure for the reliability of the multiprocessor system. In this paper, we determine the exact value of λ h (FQ n) for integer h, 1≤ h≤ 2⌈ n 2⌉+ 1 and 6≤ n, which generalizes several known results for h≤ n. More interestingly, we also show that λ h (FQ n) is the constant (⌈ n 2⌉− r+ 1) 2⌊ n 2⌋+ r for 2⌊ n 2⌋+ r− l r≤ h≤ 2⌊ n 2⌋+ r, where r= 1, 2,…,⌈ n 2⌉− 1 and l r= 2 2 r− 1 3 if n is odd and l r= 2 2 r+ 1− 2 3 if n is even. In particular, for r=⌈ n 2⌉− 1,⌊ 2 n+ 2 3⌋≤ h≤ 2 n− 1, λ h (FQ n)= 2 n.
DOI: 10.1007/3-540-47734-9_37
发表时间: 2001-07
期刊: --
影响因子: --
作者:
Jahng S. Park;IV NathanielJ.Davis
通讯作者: Jahng S. Park;IV NathanielJ.Davis
DOI: 10.1109/71.80187
发表时间: 1991
期刊: IEEE Trans. Parallel Distributed Syst.
影响因子: --
作者:
A. El-Amawy;S. Latifi
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DOI: 10.1016/j.aml.2005.04.002
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期刊: Appl. Math. Lett.
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DOI: 10.1016/0012-365x(94)00369-t
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期刊: Discret. Math.
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