On the stability of a model of testosterone dynamics

German Enciso, Eduardo Sontag

Research output: Contribution to journalArticle

43 Scopus citations


We prove the global asymptotic stability of a well-known delayed negative-feedback model of testosterone dynamics, which has been proposed as a model of oscillatory behavior. We establish stability (and hence the impossibility of oscillations) even in the presence of delays of arbitrary length.

Original languageEnglish (US)
Pages (from-to)627-634
Number of pages8
JournalJournal of Mathematical Biology
Issue number6
StatePublished - Dec 1 2004

All Science Journal Classification (ASJC) codes

  • Modeling and Simulation
  • Agricultural and Biological Sciences (miscellaneous)
  • Applied Mathematics


  • Global stability
  • Monotone systems
  • Negative feedback
  • Testosterone dynamics

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