非线性脉冲时滞差分方程的振动性

Oscillation of a Nonlinear Delay Difference Equation with Impulses

讨论非线性脉肿时滞差分方程xn+1-xn+Pnf(xn-l)=0, n 0,n≠nk.xk+1-xnk=bkxnk, k=1,2,2…….

Consider the nonlinear impulsive delay difference equationxn+1-xn+Pnf(xn-l)=0, n0,n≠nk.xk+1-xnk=bkxnk,k=1,2,2.......Sufficient condition are obtained for the oscillation of all solutions of the equation.