Instability result of a fifth order non-linear delay system
                
                        
                        CEMİL TUNÇ1,*
                            
                        
                    
                    Affiliation
                    
                        
                        - Department of Mathematics, Faculty of Sciences, Yüzüncü Yıl University, 65080, Van -Turkey
 
                        
                    
                     
        
        Abstract
        This paper considers a fifth order nonlinear differential equation with a constant delay. Some sufficient conditions for the instability of the zero solution are established, which are new and complement previously known results..
        Keywords
        Instability, Lyapunov-Krasovskii functional, Delay differential equation, Fifth order.
        Citation
        CEMİL TUNÇ, Instability result of a fifth order non-linear delay system, Optoelectronics and Advanced Materials - Rapid Communications, 5, 9, September 2011, pp.891-894 (2011).
        Submitted at: May 9, 2011
 
        Accepted at: Sept. 15, 2011