Fault-Free pairwise independent hamiltonian paths on faulty hypercubes

  • Authors:
  • Sun-Yuan Hsieh

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

  • Venue:
  • ACSAC'06 Proceedings of the 11th Asia-Pacific conference on Advances in Computer Systems Architecture
  • Year:
  • 2006

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Abstract

A Hamiltonian path in G is a path which contains every vertex of G exactly once. Two Hamiltonian paths P1=〈u1,u2,...,un〉 and P2=〈v1,v2,...,vn〉 of G are said to be independent if u1=v1, un=vn, and ui≠vi for all 1in. A set of Hamiltonian paths {P1,P2,...,Pk} of G are mutually independent if any two different Hamiltonian paths in the set are independent. It is well-known that an n-dimensional hypercube Qn is bipartite with two partite sets of equal-size. Let F be the set of faulty edges of Qn such that |F|≤n–2. In this paper, we show that Qn–F contains (n–|F|–1)-mutually independent Hamiltonian paths between any two vertices from different partite sets, where n≥2.