Journal of Function Spaces (Jan 2020)

Analysis on Existence of Positive Solutions for a Class Second Order Semipositone Differential Equations

  • Yunhai Wang,
  • Xu Yang

DOI
https://doi.org/10.1155/2020/7210608
Journal volume & issue
Vol. 2020

Abstract

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In this paper, we study the existence of positive solutions of the following second-order semipositone system (see equation 1). By applying a well-known fixed-point theorem, we prove that the problem admits at least one positive solution, if f is bounded below.