Recent Advances on the Results for Nonunique Fixed in Various Spaces
Erdal Karapınar 
Department of Medical Research, China Medical University, Taichung 40402, Taiwan
Axioms 2019, 8(2), 72; https://doi.org/10.3390/axioms8020072
Received: 21 March 2019 / Revised: 13 May 2019 / Accepted: 27 May 2019 / Published: 5 June 2019
(This article belongs to the Special Issue Fixed Point Theory and Related Topics)
In this short survey, we aim to underline the importance of the non-unique fixed point results in various abstract spaces. We recall a brief background on the topic and we combine, collect and unify several existing non-unique fixed points in the literature. Some interesting examples are considered.
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Keywords:
non-unique fixed point; contractions; partial metric; simulation function; Branciari distance; b-Branciari distance
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
MDPI and ACS Style
Karapınar, E. Recent Advances on the Results for Nonunique Fixed in Various Spaces. Axioms 2019, 8, 72.
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