%0 Journal Article %A Thanin Sitthiwirattham and Jiraporn Reunsumrit %D 2014 %J International Journal of Mathematical and Computational Sciences %B World Academy of Science, Engineering and Technology %I Open Science Index 89, 2014 %T Existence of Positive Solutions for Second-Order Difference Equation with Discrete Boundary Value Problem %U https://publications.waset.org/pdf/9998364 %V 89 %X We study the existence of positive solutions to the three points difference-summation boundary value problem. We show the existence of at least one positive solution if f is either superlinear or sublinear by applying the fixed point theorem due to Krasnoselskii in cones. %P 816 - 821