Topological entropy and periods of graph maps

Jaume Llibre, Radu Saghin

Research output: Contribution to journalArticleResearchpeer-review

3 Citations (Scopus)


We give a complete description of the set of periods of continuous self-maps on graphs which have zero topological entropy and have all their branching points fixed. As a corollary, we get a criterion for positive topological entropy for continuous self-maps on graphs. We also prove that the results are optimal. © 2012 Copyright Taylor and Francis Group, LLC.
Original languageEnglish
Pages (from-to)589-598
JournalJournal of Difference Equations and Applications
Issue number4
Publication statusPublished - 1 Apr 2012


  • graph maps
  • periodic points
  • periods
  • topological entropy


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