The bipanpositionable bipancyclic property of the hypercube

  • Authors:
  • Yuan-Kang Shih;Cheng-Kuan Lin;Jimmy J. M. Tan;Lih-Hsing Hsu

  • Affiliations:
  • Department of Computer Science, National Chiao Tung University, Hsinchu, 30010, Taiwan, ROC;Department of Computer Science, National Chiao Tung University, Hsinchu, 30010, Taiwan, ROC;Department of Computer Science, National Chiao Tung University, Hsinchu, 30010, Taiwan, ROC;Department of Computer Science and Information Engineering, Providence University, Taichung, 43301, Taiwan, ROC

  • Venue:
  • Computers & Mathematics with Applications
  • Year:
  • 2009

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Abstract

A bipartite graph is bipancyclic if it contains a cycle of every even length from 4 to |V(G)| inclusive. A hamiltonian bipartite graph G is bipanpositionable if, for any two different vertices x and y, there exists a hamiltonian cycle C of G such that d"C(x,y)=k for any integer k with d"G(x,y)@?k@?|V(G)|/2 and (k-d"G(x,y)) being even. A bipartite graph G is k-cycle bipanpositionable if, for any two different vertices x and y, there exists a cycle of G with d"C(x,y)=l and |V(C)|=k for any integer l with d"G(x,y)@?l@?k2 and (l-d"G(x,y)) being even. A bipartite graph G is bipanpositionable bipancyclic if G is k-cycle bipanpositionable for every even integer k, 4@?k@?|V(G)|. We prove that the hypercube Q"n is bipanpositionable bipancyclic for n=2.