In this paper, we introduce a new concept of α-β-ψ-contractive type mappings and construct some fixed
point theorems for such mappings in metric spaces endowed with partial order. Moreover, we use fixed
point theorems to find a solution for the first-order boundary value differential equation.
کلید واژگان :
Fixed point, α-β-ψ-contractive mappings, partially ordered sets, lower and upper solutions.
