Damghan University Press Analytical and Numerical Solutions for Nonlinear Equations 3060-785X 7 1 2022 11 01 Infinitely Many Solutions for Discrete Fourth-Order Boundary Value Problem with Four Parameters 117 129 290 10.22128/gadm.2022.557.1075 EN Mohammad Abolghasemi Department of Mathematics, Faculty of Sciences, Razi University, 67149 Kermanshah, Iran Shahin Moradi Department of Mathematics, Faculty of Sciences, Razi University, 67149 Kermanshah, Iran Journal Article 2022 06 08 The aim of this paper is to study the existence of infinitely many solutions for discrete fourth-order boundary value problem with four parameters involving oscillatory behaviors of nonlinearity at infinity. The approach is based on variational methods. In addition, one example is presented to illustrate the feasibility and effectiveness of the main result. Discrete boundary value problem Fourth order boundary value problem Infinitely many solutions Variational methods https://ansne.du.ac.ir/article_290_d69d8a36fb90432d8776e8aa156a1dfb.pdf