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Comparison theorems for the third-order delay trinomial differential equations. (English) Zbl 1208.34109

The objective of this paper is to study asymptotic properties of the third-order delay trinomial differential equation
\[ y'''(t)+p(t)y'(t)+g(t)y(\tau(t))=0. \]
Employing new comparison theorems, we can deduce the oscillatory and asymptotic behavior of the above-mentioned equation from the oscillation of a couple of the first-order differential equations. Obtained comparison principles essentially simplify the examination of the studied equations.

MSC:

34K11 Oscillation theory of functional-differential equations

Keywords:

oscillation
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References:

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