The Iterative Technique for a Fourth-Order Three-Point Nonlinear BVP with Changing Sign Green's Function
difference equation, nonlinear boundary conditions, positive solution, infinite semipositone
Abstract
In this paper, we discuss the existence of a monotonic positive solution for the following fourth-order three points Non-linear BVP: which has the sign -changing Green's function. where and . The point is that although the corresponding Green is changing the sign, by applying iterative methods, We can still obtain the existence of a monotonic positive solution under certain suitable conditions of .
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2025-09-03
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