The 1, 2-good-neighbor conditional diagnosabilities of regular graphs

The 1, 2-good-neighbor conditional diagnosabilities of regular graphs
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正则图的1, 2-好邻居条件诊断性

DOI:
10.1016/j.amc.2018.04.014
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发表时间:
2018-10
影响因子:
4
通讯作者:
Xu Min
Xu Min
中科院分区:
数学2区
文献类型:
--
作者:
Wei Yulong;Xu Min

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系统故障诊断是多处理机系统设计和维护中的一个重要研究领域。2012年,Peng等人提出了一种新的系统故障诊断测度,即g-好邻居条件可诊断性,它要求系统中任何无故障顶点至少有g个无故障邻居。图G在PMC模型和MM* 模型下的g-好邻居条件可诊断性分别记为tgPMC(G)和tgMM *(G).本文首先确定了当g≥ 2时tgPMC(G)= tgMM *(G).其次,我们建立了正则图的1,2-好邻条件可诊断性的一般结果。作为应用,在PMC模型和MM* 模型下,研究了BC图、折叠超立方体和四类Cayley图(单圈转置图、轮转置图、完全转置图和树转置图)的1,2-好邻居条件可诊断性.此外,我们还确定了BC图和折叠超立方体的R2-连通性.
Fault diagnosis of systems is an important area of study in the design and maintenance of multiprocessor systems. In 2012, Peng et al. proposed a new measure for the fault diagnosis of systems, namely g-good-neighbor conditional diagnosability, which requires that any fault-free vertex has at least g fault-free neighbors in the system. The g-good-neighbor conditional diagnosabilities of a graph G under the PMC model and the MM* model are denoted by t g PMC (G) and t g MM*(G), respectively. In this paper, we first determine that t g PMC (G)= t g MM*(G) if g≥ 2. Second, we establish a general result on the 1, 2-good-neighbor conditional diagnosabilities of some regular graphs. As applications, the 1, 2-good-neighbor conditional diagnosabilities of BC graphs, folded hypercubes and four classes of Cayley graphs, namely unicyclic-transposition graphs, wheel-transposition graphs, complete-transposition graphs and tree-transposition graphs, are determined under the PMC model and the MM* model. In addition, we determine the R 2-connectivities of BC graphs and folded hypercubes.
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