On the instability of solutions of nonlinear delay differential equations of fourth and fifth order

• المؤلف الرئيسي: Tunc, Cemil
• التنسيق: مقال
• اللغة: English
• منشور في: Universiti Kebangsaan Malaysia 2011
• الوصول للمادة أونلاين: http://journalarticle.ukm.my/3147/1/16_Cemil.pdf; http://journalarticle.ukm.my/3147/; http://www.ukm.my/jsm/

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.