Open Access Research Article

Solutions and Green's Functions for Boundary Value Problems of Second-Order Four-Point Functional Difference Equations

Yang Shujie* and Shi Bao

Author Affiliations

Institute of Systems Science and Mathematics, Naval Aeronautical and Astronautical University, Yantai, Shandong 264001, China

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Boundary Value Problems 2010, 2010:973731  doi:10.1155/2010/973731

Published: 28 July 2010

Abstract

We consider the Green's functions and the existence of positive solutions for a second-order functional difference equation with four-point boundary conditions.