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Sintunavarat, W., Kumam, P. and Cho, Y.J. (2012) Coupled Fixed Point Theorems for Nonlinear Contractions without Mixed Monotone Property. Fixed Point Theory and Applications, 2012, Article No. 170.
https://doi.org/10.1186/1687-1812-2012-170

has been cited by the following article:

• TITLE: A General Method of Researching the N-Ordered Fixed Point on a Metric Space with a Graph

  AUTHORS: Xiaonan Liang, Shiyun Wang

  KEYWORDS: N-Order Fixed Point, Product Metric Space Endowed with a Graph, Set-Valued Mapping, SG-Contraction

  JOURNAL NAME: Journal of Applied Mathematics and Physics, Vol.8 No.12, December 17, 2020

  ABSTRACT: In this paper, we propose a new perspective to discuss the N-order fixed point theory of set-valued and single-valued mappings. There are two aspects in our work: we first define a product metric space with a graph for the single-valued mapping whose conversion makes the results and proofs concise and straightforward, and then we propose an SG-contraction definition for set-valued mapping which is more general than some recent contraction’s definition. The results obtained in this paper extend and unify some recent results of other authors. Our method to discuss the N-order fixed point unifies N-order fixed point theory of set-valued and single-valued mappings.