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A generalization on weak contractions in partially ordered \(b\)-metric spaces and its application to quadratic integral equations. (English) Zbl 1347.54064

Summary: We introduce the notion of almost generalized \((\psi, \varphi, L)\)-contractive mappings, and establish the coincidence and common fixed point results for this class of mappings in partially ordered complete \(b\)-metric spaces. Our results extend and improve several known results from the context of ordered metric spaces to the setting of ordered \(b\)-metric spaces. As an application, we prove the existence of a unique solution to a class of nonlinear quadratic integral equations.

MSC:

54H25 Fixed-point and coincidence theorems (topological aspects)
54E40 Special maps on metric spaces
54F05 Linearly ordered topological spaces, generalized ordered spaces, and partially ordered spaces
Full Text: DOI

References:

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