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[Author] David KOCIK(2hit)

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  • Node-to-Set Disjoint Paths Problem in a Möbius Cube

    David KOCIK  Yuki HIRAI  Keiichi KANEKO  

     
    PAPER-Dependable Computing

      Pubricized:
    2015/12/14
      Vol:
    E99-D No:3
      Page(s):
    708-713

    This paper proposes an algorithm that solves the node-to-set disjoint paths problem in an n-Möbius cube in polynomial-order time of n. It also gives a proof of correctness of the algorithm as well as estimating the time complexity, O(n4), and the maximum path length, 2n-1. A computer experiment is conducted for n=1,2,...,31 to measure the average performance of the algorithm. The results show that the average time complexity is gradually approaching to O(n3) and that the maximum path lengths cannot be attained easily over the range of n in the experiment.

  • Node-to-Node Disjoint Paths Problem in Möbius Cubes

    David KOCIK  Keiichi KANEKO  

     
    PAPER-Dependable Computing

      Pubricized:
    2017/04/25
      Vol:
    E100-D No:8
      Page(s):
    1837-1843

    The Möbius cube is a variant of the hypercube. Its advantage is that it can connect the same number of nodes as a hypercube but with almost half the diameter of the hypercube. We propose an algorithm to solve the node-to-node disjoint paths problem in n-Möbius cubes in polynomial-order time of n. We provide a proof of correctness of the algorithm and estimate that the time complexity is O(n2) and the maximum path length is 3n-5.