Oscillation of equations with an infinite distributed delay

Leonid Berezansky, Elena Braverman

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


For the equation with a finite or infinite distributed delay x(t)+∫-∞tx(s)dsR(t,s)=0 the existence of nonoscillatory solutions is studied. A general comparison theorem is obtained which allows to compare oscillation properties of equations with concentrated delays to integrodifferential equations. Sharp nonoscillation conditions are deduced for some autonomous integrodifferential equations. Using comparison theorems, an example is constructed where oscillation properties of an integrodifferential equation are compared to equations with several concentrated delay which can be treated as its finite difference approximations.

Original languageEnglish
Pages (from-to)2583-2593
Number of pages11
JournalComputers and Mathematics with Applications
Issue number9
StatePublished - 1 Nov 2010


  • Comparison theorems
  • Distributed delay
  • Infinite delay
  • Integrodifferential equations
  • Oscillation


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