Hamiltonicity of matching composition networks with conditional edge faults

  • Authors:
  • Sun-Yuan Hsieh;Chia-Wei Lee

  • Affiliations:
  • Department of Computer Science and Information Engineering, National Cheng Kung University;Department of Computer Science and Information Engineering, National Cheng Kung University

  • Venue:
  • TAMC'08 Proceedings of the 5th international conference on Theory and applications of models of computation
  • Year:
  • 2008

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Abstract

In this paper, we sketch structure characterization of a class of networks, called Matching Composition Networks (MCNs), to establish necessary conditions for determining the conditional fault hamiltonicity. We then apply our result to n-dimensional restricted hypercube-like networks, including n-dimensional crossed cubes, and n-dimensional locally twisted cubes, to show that there exists a fault-free Hamiltonian cycle if there are at most 2n - 5 faulty edges in which each node is incident to at least two fault-free edges. We also demonstrate that our result is worst-case optimal with respect to the number of faulty edges tolerated.