• Title of article

    Necessary and sufficient conditions for the oscillation of certain delay differential equations Original Research Article

  • Author/Authors

    B.G. Zhang، نويسنده , , Hongshan Ren، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 2003
  • Pages
    6
  • From page
    409
  • To page
    414
  • Abstract
    Consider the following equations: ξ(t)+aξ(t)+bξ(t − τ)+cξ(t − σ) = 0 where a, b, c, τ, σ are constants, and τ, σ > 0. In this paper, we establish sufficient and necessary conditions for all solutions of equation (∗) to oscillate, which is easy to verify and apply.
  • Keywords
    delay equations , Characteristic equations , Oscillation , Necessary conditions , Sufficient
  • Journal title
    Applied Mathematics Letters
  • Serial Year
    2003
  • Journal title
    Applied Mathematics Letters
  • Record number

    897515