SOME COUPLED COINCIDENCE AND COMMON COUPLED FIXED POINT THEOREMS IN COMPLEX-VALUED METRIC SPACES
Abstract
The aim of this paper is to obtain a coupled coincidence point theorem and a common coupled fixed point theorem of contractive type mappings involving rational expressions in the frame work of a complex-valued metric spaces. The results of this paper generalize and extend the results of Bhaskar and Lakhmikantham [7], Azam et al [3] and several known results in complex-valued metric spaces.
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