AIMS Mathematics, 2019, 4(3): 1019-1033. doi: 10.3934/math.2019.3.1019

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Applications and theorem on common fixed point in complex valued b-metric space

1 Department of Mathematics and Computer and Science, Larbi ben M’hidi University, Oum el Bouaghi, Algeria
2 Laboratory of mathematics, informatics and systems (LAMIS) Larbi Tebessi university, Tebessa, Algeria

In this paper, a common fixed point theorem for four self-mappings satisfying rational contraction has been proved in complex valued b-metric space. Then, examples are provided to verify the effectiveness and usability of our main results. Finally, we validate our results by proving both the existence and the uniqueness of a common solution of the system of Urysohn integral equations and the existence of a unique solution for linear equations system.
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