Studying the existence of periodic solution of the equation we obtain a result which generalizes Kaplan and Yorke’s (J. Math. Anal Appl., 48 (1974), 317—324). Throughout this letter, we suppose that f(x, y)satisfies...Studying the existence of periodic solution of the equation we obtain a result which generalizes Kaplan and Yorke’s (J. Math. Anal Appl., 48 (1974), 317—324). Throughout this letter, we suppose that f(x, y)satisfies the following conditions:展开更多
In this paper, we consider the oscillation of the second order neutral delay differential equations[x(t)+cx(t-τ)]'+p(t)x(t-σ)=0 (1)and obtain some sufficient conditions of the oscillation of (1) for the case c≥...In this paper, we consider the oscillation of the second order neutral delay differential equations[x(t)+cx(t-τ)]'+p(t)x(t-σ)=0 (1)and obtain some sufficient conditions of the oscillation of (1) for the case c≥0, -1≤c<0 and c<-1.展开更多
The present paper is devoted to the investigation of a nonlinear impulsive differential system Theorems obtained here are on the stability and unstability of trivial solution.
文摘Studying the existence of periodic solution of the equation we obtain a result which generalizes Kaplan and Yorke’s (J. Math. Anal Appl., 48 (1974), 317—324). Throughout this letter, we suppose that f(x, y)satisfies the following conditions:
基金The project supported by National Natural Science Foundation of China
文摘In this paper, we consider the oscillation of the second order neutral delay differential equations[x(t)+cx(t-τ)]'+p(t)x(t-σ)=0 (1)and obtain some sufficient conditions of the oscillation of (1) for the case c≥0, -1≤c<0 and c<-1.
文摘The present paper is devoted to the investigation of a nonlinear impulsive differential system Theorems obtained here are on the stability and unstability of trivial solution.
