Title of article :
On the Instability of Solutions of Nonlinear Delay Differential Equations of Fourth and Fifth Order
Author/Authors :
TUNÇ, CEMİL Yüzüncü Yýl University - Faculty of Sciences - Department of Mathematics, Turkey
Abstract :
The main purpose of this paper is to introduce some new instability theorems related to certain fourth and fifth order nonlinear differential equations with a constant delay. By means of the Lyapunov-Krasovskii functional approach, we obtained two new results on the topic.
Keywords :
Delay differential equation , fourth and fifth order , instability , Lyapunov , Krasovskii functional
