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The asymptotic properties of the solutions of the \(n\)th order functional neutral differential equations. (English) Zbl 1035.34087

Summary: The aim of this paper is to deduce the oscillatory and asymptotic behavior of the solutions to the \(n\)th-order neutral functional-differential equation \[ (x(t)+p(t)x[\tau(t)])^{(n)}+q(t)f(x[\sigma(t)])=0, \] where \(\sigma(t)\) is a delayed argument.

MSC:

34K25 Asymptotic theory of functional-differential equations
34K40 Neutral functional-differential equations
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References:

[2] Kiguradze, T. I., On the oscillation of solutions of the equation \(d^mu/ dt^m\)+a(t)|u|\(^n\) signu=0\), Mat. Sb., 65 (1964), (in Russian)
[3] Džurina, J.; Buša, J.; Ayrjan, E. A., Oscillatory properties of second order functional neutral differential equations, Differential Equations, 4, 1-5 (2002), (in Russian)
[4] Kiguradze, I. T.; Chanturia, T. A., Asymptotic Properties of Solutions of Nonautonomous Ordinary Differential Equations (1991), Nauka: Nauka Moscow, (in Russian)
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