Fault-free cycles in folded hypercubes with more faulty elements

  • Authors:
  • Jung-Sheng Fu

  • Affiliations:
  • Department of Electronic Engineering, National United University, Miaoli, Taiwan

  • Venue:
  • Information Processing Letters
  • Year:
  • 2008

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Abstract

Let FF"v (respectively, FF"e) be the set of faulty vertices (respectively, faulty edges) in an n-dimensional folded hypercube FQ"n. In this paper, we show that FQ"n-FF"v-FF"e contains a fault-free cycle with length at least 2^n-2|FF"v| if |FF"e|+|FF"v|==3. Our result improves the previously known result of [S.-Y. Hsieh, A note on cycle embedding in folded hypercubes with faulty elements, Information Processing Letters (2008), in press, doi:10.1016/j.ipl.2008.04.003] where |FF"e|+|FF"v|==4.