Abstract
In this paper we consider a kind of Geraghty contractions by using mw-distances in the setting of complete quasi-metric spaces. We provide fixed point theorems for this type of mappings and illustrate with some examples the results obtained.
Highlights
Introduction and PreliminariesIn 1973, Geraghty proved the following fixed point theorem which generalizes the classical Banach fixed point theorem.Theorem 1 ([1])
The mapping T : X → X has a unique fixed point provided that there exists β ∈ B such that d ( T κ, Tν) ≤ β(d (κ, ν))d (κ, ν), for all κ, ν ∈ X
Cho et al [3] defined the notion of α-Geraghty contraction in the context of a metric space, as follows: A maping T is called a α-Geraghty contraction if α(κ, ν)d ( T κ, Tν) ≤ β(d (κ, ν)) max{d (κ, ν), d (ν, Tν), d (κ, T κ)}, for all κ,ν ∈ X, where α : X × X → [0, ∞) is a function with the property
Summary
Introduction and PreliminariesIn 1973, Geraghty proved the following fixed point theorem which generalizes the classical Banach fixed point theorem.Theorem 1 ([1]).
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