Discrete-time S-I-S models with complex dynamics

C. Castillo-Chavez, A. A. Yakubu

Research output: Contribution to journalArticlepeer-review

88 Scopus citations


A discrete-time susceptible-infected-susceptible (S-I-S) epidemic model was studied. It included populations with potentially complex chaotic dynamics. The role of reproductive and recruitment regimes including contest and scramble competition on disease dynamics was analyzed.

Original languageEnglish (US)
Pages (from-to)4753-4762
Number of pages10
JournalNonlinear Analysis, Theory, Methods and Applications
Issue number7
StatePublished - Aug 2001
Externally publishedYes


  • Chaotic dynamics
  • Contest and scramble competition
  • Discrete-time S-I-S epidemic model
  • Ricker's model

ASJC Scopus subject areas

  • Analysis
  • Applied Mathematics


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