Qom University of TechnologyMathematics and Computational Sciences2717-27083420221201Positive fixed points of a nonlinear operators for a system of boundary value problems162270074210.30511/mcs.2022.561328.1078ENRobabehSahandi ToroghDepartment of Mathematics, Varamin-Pishva branch, Islamic Azad University, Tehran,IranBehnazFarnamDepartment of Mathematics, Qom University of Technology, Qom, IranSakinehSahandi ToroghDepartment of Educational Sciences, Karaj Branch, Islamic Azad University, Karaj, IranJournal Article20220902In this paper, we study the existence of positive solutions for a class of multi points boundary value problems. We introduce a completely continuous operator such that, the fixed points of this operator are positive solutions of the problem. We establish some theorems to prove the existence of<br />solutions for this system.http://mcs.qut.ac.ir/article_700742_a4a3caadf08bd2279e595ebffac9ccd3.pdf