OSCILLATION AND ASYMPTOTIC BEHAVIOR OF HIGHER ORDER NEUTRAL EQUATIONS WITH VARIAPLE COEFFICIENTS |
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| Authors: | MKGrammatikopoulos GLadas and Ameimaridou |
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| Institution: | Department of Mathematics, University of Rhode Island, Kingston, Rhode Island 02881 USA;,Department of Mathematics, University of Ioannina, Ioannina 45332, Greece; and Department of Electrical Engineering Democritus University of Thrace, Xanthi 67100 Greece. |
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| 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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