数学季刊 ›› 2017, Vol. 32 ›› Issue (4): 371-381.doi: 10.13371/j.cnki.chin.q.j.m.2017.04.004

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局部扭立方的1好邻连通度和诊断度

  

  1. School of Mathematics and Information Science, Henan Normal University
  • 收稿日期:2015-10-29 出版日期:2017-12-30 发布日期:2020-10-20
  • 作者简介:REN Yun-xia(1979-), female, native of Zhumadian, Henan, a lecturer of Henan Normal Uni- versity, M.S.D., engages in graph theory and theoretical computer science; WANG Shi-ying(1961-), male, native of Jinzhong, Shanxi, a professor of Henan Normal University, Ph.D, engages in graph theory and theoretical computer science.
  • 基金资助:
    supported by the National Natural Science Foundation of China(61772010);

The 1-Good-neighbor Connectivity and Diagnosability of Locally Twisted Cubes

  1. School of Mathematics and Information Science, Henan Normal University
  • Received:2015-10-29 Online:2017-12-30 Published:2020-10-20
  • About author:REN Yun-xia(1979-), female, native of Zhumadian, Henan, a lecturer of Henan Normal Uni- versity, M.S.D., engages in graph theory and theoretical computer science; WANG Shi-ying(1961-), male, native of Jinzhong, Shanxi, a professor of Henan Normal University, Ph.D, engages in graph theory and theoretical computer science.
  • Supported by:
    supported by the National Natural Science Foundation of China(61772010);

摘要: Diagnosability of a multiprocessor system is one important study topic. In 2012, Peng et al. proposed the g-good-neighbor diagnosability that restrains every fault-free node to contain at least g fault-free neighbors. The locally twisted cube LTQ_n has many good properties. In this paper, we show that the 1-good-neighbor connectivity κ~1(LTQ_n) = 2n-2 and the 1-good-neighbor diagnosability of LTQ_n is 2n-1 under the PMC model for n ≥ 4 and the MM~*model for n ≥ 5. 

关键词: combinatorics, diagnosability, locally twisted cube

Abstract: Diagnosability of a multiprocessor system is one important study topic. In 2012, Peng et al. proposed the g-good-neighbor diagnosability that restrains every fault-free node to contain at least g fault-free neighbors. The locally twisted cube LTQ_n has many good properties. In this paper, we show that the 1-good-neighbor connectivity κ~1(LTQ_n) = 2n-2 and the 1-good-neighbor diagnosability of LTQ_n is 2n-1 under the PMC model for n ≥ 4 and the MM~*model for n ≥ 5. 

Key words: combinatorics, diagnosability, locally twisted cube

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