Necessary and Sufficient Conditions of Oscillation in First Order Neutral Delay Differential Equations
oleh: Songbai Guo, Youjian Shen, Binbin Shi
| Format: | Article |
|---|---|
| Diterbitkan: | Hindawi Limited 2014-01-01 |
Deskripsi
We are concerned with oscillation of the first order neutral delay differential equation [x(t)−px(t−τ)]′+qx(t−σ)=0 with constant coefficients, and we obtain some necessary and sufficient conditions of oscillation for all the solutions in respective cases 0<p<1 and p>1.