Some oscillation criteria for second-order delay dynamic equations

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We investigate the oscillation of second-order delay dynamic equations. Our results extend and improve known results for oscillation of second-order differential equations that have been established by Erbe [Canad. Math. Bull. 16 (1973), 49-56]. We apply results from the theory of upper and lower solutions and give some examples to illustrate the main results.

Original languageEnglish
Pages (from-to)322-337
Number of pages16
JournalApplicable Analysis and Discrete Mathematics
Issue number2
StatePublished - Oct 2010


  • Delay equation
  • Lower solution
  • Oscillation
  • Time scale
  • Upper solution


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