OSCILLATION AND ASYMPTOTIC BEHAVIOR OF HIGHER ORDER NEUTRAL EQUATIONS WITH VARIAPLE COEFFICIENTS

Citation:

M.K.Grammatikopoulos,G.Ladas,A.meimaridou.OSCILLATION AND ASYMPTOTIC BEHAVIOR OF HIGHER ORDER NEUTRAL EQUATIONS WITH VARIAPLE COEFFICIENTS[J].Chinese Annals of Mathematics B,1988,9(3):322~338
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Authors:

M.K.Grammatikopoulos; G.Ladas;A.meimaridou
Abstract: The authors establish sufficient conditions for the oscillation of all solution of neutral delay differential equations of even and odd order of the form $$\[\frac{{{d^n}}}{{d{t^n}}}[y(t) + p(t)y(t - \tau )] + Q(t)y(t - C) = 0,t \ge {t_0},\]$$ where $\[P,Q \in C[[{t_0},\infty ),R],\tau ,\sigma \in {R^ + }\]$ and $\[n \ge 1\]$.

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