Article
Kyungpook Mathematical Journal 2021; 61(2): 279-308
Published online June 30, 2021
Copyright © Kyungpook Mathematical Journal.
Generalized ψ-Geraghty-Zamfirescu Contraction Pairs in b -metric Spaces
José R. Morales, Edixon M. Rojas*
Departamento de Matemáticas, Universidad de Los Andes, Mérida 5101, Venezuela
e-mail : moralesmedinajr@gmail.com
Departamento de Matemáticas, Universidad Nacional de Colombia, Bogotá, Colombia
e-mail : emrojass@unal.edu.co
Received: September 13, 2020; Revised: January 15, 2021; Accepted: January 19, 2021
The purpose of this paper is to introduce a class of contractive pairs of mappings satisfying a Zamfirescu-type inequality, but controlled with altering distance functions and with parameters satisfying the so-called Geraghty condition in the framework of
Keywords: coincidence points, Jungck-type iterative schemes, convergence, stability, common fixed points