Fault-tolerant pancyclicity of augmented cubes

  • Authors:
  • Wei-Wei Wang;Mei-Jie Ma;Jun-Ming Xu

  • Affiliations:
  • Department of Mathematics, University of Science and Technology of China, Hefei 230026, China;School of Mathematics and System Science, Shandong University, Jinan 250100, China;Department of Mathematics, University of Science and Technology of China, Hefei 230026, China

  • Venue:
  • Information Processing Letters
  • Year:
  • 2007

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Abstract

As an enhancement on the hypercube Q"n, the augmented cube AQ"n, prosed by Choudum and Sunitha [S.A. Choudum, V. Sunitha, Augmented cubes, Networks 40 (2) (2002) 71-84], not only retains some favorable properties of Q"n but also possesses some embedding properties that Q"n does not. For example, AQ"n is pancyclic, that is, AQ"n contains cycles of arbitrary length for n=2. This paper shows that AQ"n remains pancyclic provided faulty vertices and/or edges do not exceed 2n-3 and n=4.