Oscillation and Asymptotic Behaviour of Solutions of Second Order Neutral Differential Equations with Positive and Negative Coefficients
نویسنده
چکیده
Sufficient conditions in terms of the coefficient functions for the oscillation and asymptotic behavior of nonoscillatory solutions of a class of second order nonlinear neutral differential equations have been obtained. The results improve some earlier results.
منابع مشابه
Oscillation of Solutions of Second Order Neutral Differential Equations with Positive and Negative Coefficients
In this paper we obtain oscillation criteria for solutions of homogeneous and nonhomogeneous cases of second order neutral differential equations with positive and negative coefficients. Our results improve and extend the results of Manojlović, Shoukaku, Tanigawa and Yoshida [6].
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Oscillatory and asymptotic behaviour of the solutions of a class of nonlinear first order neutral delay differential equations with positive and negative coefficients of the form (E 1) d dt [y(t) + p(t)y(t − τ)] + f 1 (t)G 1 (y(t − σ 1)) − f 2 (t)G 2 (y(t − σ 2)) = g(t) and (E 2) d dt [y(t) + p(t)y(t − τ)] + f 1 (t)G 1 (y(t − σ 1)) − f 2 (t)G 2 (y(t − σ 2)) = 0 are studied under various ranges ...
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تاریخ انتشار 2007