Abstract
In this paper, we prove a new common fixed point theorem for four self mappings by using the notions of compatibility and subsequential continuity (alternate subcompatibility and reciprocal continuity) in metric spaces satisfying a general contractive condition of integral type. We give some examples to support the useability of our main result. Also, we obtain some fixed point theorems of Gregus type for four mappings satisfying a strict general contractive condition of integral type in metric spaces. We conclude the paper with an application of our main result to solvability of systems of functional equations.
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Acknowledgements
The authors would like to thank Professor Naseer Shahzad for a reprint of the paper [36]. The authors are grateful to the referees for their useful comments to improve the paper.
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Chauhan, S., Aydi, H., Shatanawi, W. et al. Some Integral Type Fixed-Point Theorems and an Application to Systems of Functional Equations. Viet J Math 42, 17–37 (2014). https://doi.org/10.1007/s10013-013-0030-6
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DOI: https://doi.org/10.1007/s10013-013-0030-6
Keywords
- Metric space
- Compatible mappings
- Reciprocal continuity
- Subcompatible mappings
- Subsequential continuity
- Fixed point