A neutral difference equation with positive and negative coefficients△(xn-cnxn-k)+pnxn-l-qnxn-r=0,n=0,1,2.…,is considered and a sufficient condition for the gl
In this paper the singularly perturbed initial boundary value problems for the nonlocal reaction diffusion system are considered.Using the iteration method and
By using Krasnoselskii's fixed-point theorem on a suitable cone, several existence results and corresponding properties of positive solutions of nonlocal bo
By using the perturbation results of sums of ranges of accretive mappings of Calvert and Gupta (1978),the abstract results on the existence of solutions of a fa