A new characterization of periodic oscillations in periodic difference equations

Ahmad Al-Salman, Ziyad Alsharawi*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

In this paper, we characterize periodic solutions of p-periodic difference equations. We classify the periods into multiples of p and nonmultiples of p. We show that the elements of the set of multiples of p follow the well-known Sharkovsky's ordering multiplied by p. On the other hand, we show that the elements of the set Γp of nonmultiples of p are independent in their existence. Moreover, we show the existence of a p-periodic difference equation with infinite Γp-set in which the maps are defined on a compact domain and agree exactly on a countable set. Based on the proposed classification, we give a refinement of Sharkovsky's theorem for periodic difference equations.

Original languageEnglish
Pages (from-to)921-928
Number of pages8
JournalChaos, Solitons and Fractals
Volume44
Issue number11
DOIs
Publication statusPublished - Nov 2011

ASJC Scopus subject areas

  • Mathematics(all)

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