Infinitely many planar cubic hypohamiltonian graphs of girth 5

Jan Goedgebeur, Carol T. Zamfirescu

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

A graph G is hypohamiltonian if G is non-hamiltonian and for every vertex v in G, the graph G-v is hamiltonian. McKay asked in [J. Graph Theory 85 (2017) 7-11] whether infinitely many planar cubic hypohamiltonian graphs of girth5 exist. We settle this question affirmatively.
Original languageEnglish
Pages (from-to)40-45
Number of pages6
JournalJournal of Graph Theory
Volume88
Issue number1
DOIs
Publication statusPublished - May 2018
Externally publishedYes

Keywords

  • Cubic
  • Dot product
  • Hamiltonian
  • Hypohamiltonian
  • Planar

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