Cycle spectra of Hamiltonian graphs

  • Authors:
  • Kevin G. Milans;Florian Pfender;Dieter Rautenbach;Friedrich Regen;Douglas B. West

  • Affiliations:
  • Mathematics Dept., University of South Carolina, USA;Institut für Mathematik, Universität Rostock, Rostock, Germany;Institut für Optimierung und Operations Research, Universität Ulm, Ulm, Germany;Institut für Optimierung und Operations Research, Universität Ulm, Ulm, Germany;Department of Mathematics, University of Illinois, Urbana, IL 61801, USA

  • Venue:
  • Journal of Combinatorial Theory Series B
  • Year:
  • 2012

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Abstract

We prove that every Hamiltonian graph with n vertices and m edges has cycles with more than p-12lnp-1 different lengths, where p=m-n. For general m and n, there exist such graphs having at most 2@?p+1@? different cycle lengths.