Displaying similar documents to “Asymptotic dichotomy in a class of fourth-order nonlinear delay differential equations with damping.”

Oscillation of second-order linear delay differential equations

Ján Ohriska (2008)

Open Mathematics

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The aim of this paper is to derive sufficient conditions for the linear delay differential equation (r(t)y′(t))′ + p(t)y(τ(t)) = 0 to be oscillatory by using a generalization of the Lagrange mean-value theorem, the Riccati differential inequality and the Sturm comparison theorem.