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H. O. Tejumola, “Instability and Periodic Solutions of Certain Nonlinear Differential Equations of Orders Six and Seven,” Proceedings of the National Mathematical Centre, National Mathematical Center, Abuja, 2000.

has been cited by the following article:

• TITLE: An Instability Result to a Certain Vector Differential Equation of the Sixth Order

  AUTHORS: Cemil Tunç

  KEYWORDS: Vector; Nonlinear Differential Equation; Sixth Order; Lyapunov-Krasovskii Functional; Instability; Delay

  JOURNAL NAME: Applied Mathematics, Vol.3 No.9, September 27, 2012

  ABSTRACT: The nonlinear vector differential equation of the sixth order with constant delay is considered in this article. New criteria for instability of the zero solution are established using the Lyapunov-Krasovskii functional approach and the differential inequality techniques. The result of this article improves previously known results.