Instability for a class of second order delay differential equations

Leonid Berezansky, Alexander Domoshnitsky

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


There exists a well-developed stability theory for many classes of functional-differential equations and only a few results on their instability. One of the aims of this paper is to fill this gap. Explicit tests for instability of linear delay differential equations of the second order with damping terms are obtained.

Original languageEnglish
Pages (from-to)1-14
Number of pages14
JournalElectronic Journal of Qualitative Theory of Differential Equations
StatePublished - 2017


  • Damping terms
  • Instability
  • Second order delay differential equations


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