Author/Authors :
elabbasy, e. m. mansoura university - faculty of science, Department of Mathematics, Egypt , moaaz, o. mansoura university - faculty of science, Department of Mathematics, Egypt , bazighifan, o. hadhramout university, Department of Mathematics, Yemen
Abstract :
In this paper, authors obtained some necessary and sufficient conditions to insure the oscillation of all solutions of higher-order nonlinear delay differential equations. They also gave some examples to illustrate our main results.
Keywords :
Oscillation , higher , order , delay differential equations
