Abstract:Many authors used the concept of F−contraction introduced by Wardowski in 2012 in order to define and prove new results on fixed points in complete metric spaces. In some later papers (for example Proinov P.D., J. Fixed Point Theory Appl. (2020)22:21, doi:10.1007/s11784-020-0756-1) it is shown that conditions (F2) and (F3) are not necessary to prove Wardowski’s results. In this article we use a new approach in proving that the Picard–Jungck sequence is a Cauchy one. It helps us obtain new Jungck–Fisher–Wardows… Show more
“…For more synthesis on the results based on 𭟋−contractions, we refer the reader to the informative and notable articles [10,11,16,17,18,19,20,21,22,24,26,29,30,31,32,33,34].…”
This paper aims to correct recent results on a generalized class of $\digamma-$contractions in the context of $b-$metric spaces. The significant work consists of repairing some novel results involving $\digamma-$contraction within the structure of $b$-metric spaces. Our objective is to take advantage of the property $(F1)$ instead of the four properties viz. $(F1)$, $(F2)$, $(F3)$ and $(F4)$ applied in the results of Nazam \textit{et al.} [``Coincidence and common fixed point theorems for four mappings satisfying $(\alpha_s,F)-$contraction", Nonlinear Anal: Model. Control., vol. 23, no. 5, pp. 664--690, 2018]. Our approach of proving the results utilizing only the condition $(F1)$ enriches, improves, and condenses the proofs of a multitude of results in the existing state-of-art.
“…For more synthesis on the results based on 𭟋−contractions, we refer the reader to the informative and notable articles [10,11,16,17,18,19,20,21,22,24,26,29,30,31,32,33,34].…”
This paper aims to correct recent results on a generalized class of $\digamma-$contractions in the context of $b-$metric spaces. The significant work consists of repairing some novel results involving $\digamma-$contraction within the structure of $b$-metric spaces. Our objective is to take advantage of the property $(F1)$ instead of the four properties viz. $(F1)$, $(F2)$, $(F3)$ and $(F4)$ applied in the results of Nazam \textit{et al.} [``Coincidence and common fixed point theorems for four mappings satisfying $(\alpha_s,F)-$contraction", Nonlinear Anal: Model. Control., vol. 23, no. 5, pp. 664--690, 2018]. Our approach of proving the results utilizing only the condition $(F1)$ enriches, improves, and condenses the proofs of a multitude of results in the existing state-of-art.
“…The new concept of α-type F -contractive mappings, which are essentially weaker than the class of F -contractive mappings as in [18], was presented in 2016 by Gopal et al [19]. Few authors have investigated fixed-point theorems for (α-F )-contractive on some complete metric spaces [19][20][21][22]; moreover, a new Wardowski-type fixed-point result was illustrated in [23]. The concept of Θ-contractive was introduced by Jleli [24], and they established a generalization of the Banach fixed-point theorem in the situation of Branciari metric spaces.…”
In this study, we utilize a notion of triple-controlled, metric-type spaces that preserves the symmetry property, which is a generalization of b-metric-type spaces, to prove new fixed-point results. We introduce (α-F)-contractive mappings and Θ-contractive mappings on triple-controlled, metric-type space settings. Then, we establish the existence and uniqueness of fixed-point results on complete triple-controlled, metric-type spaces. Moreover, some examples and applications to boundary-value problems of the fourth-order differential equation are presented to display the usage of the obtained result.
“…Authors in [22] take (F1) of [21] and (F3') of [18] and denote the class of functions satisfying (F1) and (F3') by F . For more new results in this subject see [16,[23][24][25][26][27].…”
Within this manuscript we generalize the two recently obtained results of O. Popescu and G. Stan, regarding the F-contractions in complete, ordinary metric space to 0-complete partial metric space and 0-complete metric-like space. As Popescu and Stan we use less conditions than D. Wardovski did in his paper from 2012, and we introduce, with the help of one of our lemmas, a new method of proving the results in fixed point theory. Requiring that the function F only be strictly increasing, we obtain for consequence new families of contractive conditions that cannot be found in the existing literature. Note that our results generalize and complement many well-known results in the fixed point theory. Also, at the end of the paper, we have stated an application of our theoretical results for solving fractional differential equations.
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