and Applied Analysis 3 Inspired by the work of the above papers, the aim of this paper is to establish the existence and multiplicity of positive solutions of the BVP 1.1 . We discuss the boundary value problemwith the Riemann-Stieltjes integral boundary conditions, that is, the BVP 1.1 , which includes fractional order two-point, three-point, multipoint, and nonlocal boundary value problems as...