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348 Results Found

  • Article
  • Open Access
7 Citations
1,589 Views
22 Pages

7 July 2023

The current study attempts to identify a new generalized metric space structure, referred to as partial modular bmetric, that extends both partial modular metric space via bmetric space and explains the topological aspects of the new sp...

  • Review
  • Open Access
10 Citations
2,954 Views
76 Pages

Fixed-Point Results for Meir–Keeler Type Contractions in Partial Metric Spaces: A Survey

  • Erdal Karapınar,
  • Ravi P. Agarwal,
  • Seher Sultan Yeşilkaya and
  • Chao Wang

30 August 2022

In this paper, we aim to review Meir–Keeler contraction mappings results on various abstract spaces, in particular, on partial metric spaces, dislocated (metric-like) spaces, and M-metric spaces. We collect all significant results in this direc...

  • Article
  • Open Access
5 Citations
3,280 Views
11 Pages

On p-Cyclic Orbital M-K Contractions in a Partial Metric Space

  • Tharmalingam Gunasekar,
  • Saravanan Karpagam and
  • Boyan Zlatanov

A cyclic map with a contractive type of condition called p-cyclic orbital M-Kcontraction is introduced in a partial metric space. Sufficient conditions for the existence and uniqueness of fixed points and the best proximity points for these maps in c...

  • Article
  • Open Access
29 Citations
2,952 Views
11 Pages

17 September 2020

The aim of this paper was to obtain common fixed point results by using an interpolative contraction condition given by Karapinar in the setting of complete metric space. Here in this paper, we have redefined the Reich–Rus–Ćirić type cont...

  • Article
  • Open Access
1,040 Views
21 Pages

Common Attractor for Hutchinson θ-Contractive Operators in Partial Metric Spaces

  • Naila Shabir,
  • Ali Raza,
  • Manuel De la Sen,
  • Mujahid Abbas and
  • Shahbaz Ahmad

This paper investigates the existence of common attractors for generalized θ-Hutchinson operators within the framework of partial metric spaces. Utilizing a finite iterated function system composed of θ-contractive mappings, we establish...

  • Article
  • Open Access
9 Citations
2,291 Views
12 Pages

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...

  • Article
  • Open Access
19 Citations
3,296 Views
8 Pages

28 December 2020

The purpose of this study is to introduce a new type of extended metric space, i.e., the rectangular quasi-partial b-metric space, which means a relaxation of the symmetry requirement of metric spaces, by including a real number s in the definition o...

  • Article
  • Open Access
6 Citations
2,361 Views
13 Pages

21 June 2021

The aim of this paper is to derive some common best proximity point results in partial metric spaces defining a new class of symmetric mappings, which is a generalization of cyclic ϕ-contraction mappings. With the help of these symmetric mappings, th...

  • Article
  • Open Access
78 Citations
4,794 Views
24 Pages

Hybrid Multivalued Type Contraction Mappings in αK-Complete Partial b-Metric Spaces and Applications

  • Eskandar Ameer,
  • Hassen Aydi,
  • Muhammad Arshad,
  • Habes Alsamir and
  • Mohd Selmi Noorani

14 January 2019

In this paper, we initiate the notion of generalized multivalued ( α K * , Υ , Λ ) -contractions and provide some new common fixed point results in the class of α K -complete partial b-metric spaces. The o...

  • Article
  • Open Access
11 Citations
3,725 Views
11 Pages

18 February 2019

In the present work, the concept of F -generalized contractive type mappings by using C -class functions is introduced, and some common fixed point results for weakly isotone increasing set-valued mappings in the setting of ordered partial...

  • Article
  • Open Access
12 Citations
2,322 Views
17 Pages

20 October 2022

In this manuscript, we defined (α, F)-contractions in the context of double-controlled metric spaces and partially ordered double-controlled metric spaces. We established new fixed-point results and defined the notion of double-controlled metri...

  • Article
  • Open Access
3 Citations
1,220 Views
17 Pages

13 July 2024

In this paper, a large class of contractions is studied that contains Banach and Matkowski maps as particular cases. Sufficient conditions for the existence of fixed points are proposed in the framework of b-metric spaces. The convergence and stabili...

  • Article
  • Open Access
2 Citations
2,993 Views
19 Pages

19 November 2018

In this paper, we introduce the concepts of an α -admissible nonself-mapping, an α -F-contractive nonself-mapping, a weak α -F-contractive nonself-mapping, and a generalized α -F-contractive nonself-mapping...

  • Article
  • Open Access
16 Citations
3,601 Views
16 Pages

Some φ-Fixed Point Results for (F,φ,α-ψ)-Contractive Type Mappings with Applications

  • Mohammad Imdad,
  • Abdur Rauf Khan,
  • Hayel N. Saleh and
  • Waleed M. Alfaqih

23 January 2019

In this paper, we introduce the notions of (F, φ, α- ψ)-contractions and (F, φ, α- ψ)-weak contractions in metric spaces and utilize the same to prove some existence and uniqueness φ-fixed point results. Some...

  • Article
  • Open Access
15 Citations
2,585 Views
23 Pages

In this paper, we introduce Suzuki-type ( α , β , γ g ) - generalized and modified proximal contractive mappings. We establish some coincidence and best proximity point results in fairly complete spaces. Also, we provide coi...

  • Article
  • Open Access
4 Citations
2,588 Views
22 Pages

Fixed Point of (α,β)-Admissible Generalized Geraghty F-Contraction with Application

  • Min Wang,
  • Naeem Saleem,
  • Xiaolan Liu,
  • Arslan Hojat Ansari and
  • Mi Zhou

17 May 2022

In this paper, we introduce some new types of extended Geraghty contractions, called (α,β)-admissible generalized Geraghty F-contractions, and prove some fixed point results for such contractions in the setting of partial b-metric spaces....

  • Article
  • Open Access
3 Citations
1,163 Views
25 Pages

30 November 2023

This article studies new classes of contractions called the p-cyclic Reich contraction and p-cyclic Reich contraction pair and develops certain best proximity point results for such contractions in the setting of partial metric spaces. Furthermore, t...

  • Article
  • Open Access
2 Citations
1,148 Views
15 Pages

Recent Advances in Proximity Point Theory Applied to Fractional Differential Equations

  • Nabil Mlaiki,
  • Dur-e-Shehwar Sagheer,
  • Sana Noreen,
  • Samina Batul and
  • Ahmad Aloqaily

13 June 2024

This article introduces the concept of generalized (F,b,ϕ˘) contraction in the context of b-metric spaces by utilizing the idea of F contraction introduced by Dariusz Wardowski. The main findings of the research focus on the existen...

  • Article
  • Open Access
3 Citations
2,423 Views
17 Pages

C*-Algebra-Valued Partial Modular Metric Spaces and Some Fixed Point Results

  • Santanu Narzary,
  • Dipankar Das,
  • Yumnam Mahendra Singh,
  • Mohammad Saeed Khan and
  • Salvatore Sessa

23 May 2023

In the present paper, we introduce the notion of C*-algebra-valued partial modular metric space satisfying the symmetry property that generalizes partial modular metric space, C*-algebra-valued partial metric space, and C*-algebra-valued modular metr...

  • Article
  • Open Access
15 Citations
3,724 Views
15 Pages

Fixed Point Results in Partial Symmetric Spaces with an Application

  • Mohammad Asim,
  • A. Rauf Khan and
  • Mohammad Imdad

22 January 2019

In this paper, we first introduce the class of partial symmetric spaces and then prove some fixed point theorems in such spaces. We use one of the our main results to examine the existence and uniqueness of a solution for a system of Fredholm integra...

  • Article
  • Open Access
189 Citations
6,297 Views
7 Pages

16 November 2018

By giving a counter-example, we point out a gap in the paper by Karapinar (Adv. Theory Nonlinear Anal. Its Appl. 2018, 2, 85–87) where the given fixed point may be not unique and we present the corrected version. We also state the celebrated fi...

  • Feature Paper
  • Article
  • Open Access
664 Views
12 Pages

16 August 2025

Inspired by the work of Gregori et al. and guided by some open direction, we propose the concepts of Cauchy sequence and convergent sequence in a fuzzy partial metric space by the residuum operator associated to a continuous t-norm. Based on these no...

  • Article
  • Open Access
24 Citations
3,696 Views
14 Pages

Generalized (ψ,α,β)—Weak Contractions for Initial Value Problems

  • Piyachat Borisut,
  • Poom Kumam,
  • Vishal Gupta and
  • Naveen Mani

15 March 2019

A class of generalized ( ψ , α , β ) —weak contraction is introduced and some fixed-point theorems in a framework of partially ordered metric spaces are proved. The main result of this paper is applied to a first-order ord...

  • Feature Paper
  • Article
  • Open Access
939 Views
15 Pages

18 December 2024

Involving w-distances and hybrid contractions that combine conditions of the Ćirić type and Samet et al. type, we obtain some general fixed-point results for quasi-metric spaces from which powerful and significant fixed-point theorems on pa...

  • Article
  • Open Access
14 Citations
5,180 Views
17 Pages

17 July 2021

Contract cheating refers to students using third-party online resources to complete their coursework. It is not only a unilateral result of the student, but also has a relationship with educators, as well as social resources. However, little work has...

  • Article
  • Open Access
4 Citations
3,563 Views
20 Pages

24 April 2019

In this paper, by introducing the concept of generalized Ćirić-type weak ( ϕ g , R ) -contraction, we prove some common fixed point results in partial metric spaces endowed with binary relation R . We also deduce some useful consequence...

  • Article
  • Open Access
4 Citations
2,326 Views
11 Pages

A New Best Proximity Point Results in Partial Metric Spaces Endowed with a Graph

  • Ahmad Aloqaily,
  • Nizar Souayah,
  • Kenan Matawie,
  • Nabil Mlaiki and
  • Wasfi Shatanawi

28 February 2023

For a given mapping f in the framework of different spaces, the fixed-point equations of the form fx=x can model several problems in different areas, such as differential equations, optimization, and computer science. In this work, the aim is to find...

  • Article
  • Open Access
3 Citations
1,462 Views
16 Pages

Existence of Fuzzy Fixed Points and Common Fuzzy Fixed Points for FG-Contractions with Applications

  • Dur-e-Shehwar Sagheer,
  • Zainab Rahman,
  • Samina Batul,
  • Ahmad Aloqaily and
  • Nabil Mlaiki

19 September 2023

This article contains results of the existence of fuzzy fixed points of fuzzy mappings that satisfy certain contraction conditions using the platform of partial b-metric spaces. Some non-trivial examples are provided to authenticate the main results....

  • Article
  • Open Access
1 Citations
1,725 Views
15 Pages

26 October 2023

The purpose of this paper is to attain the existence of coincidences and common fixed points in four mappings satisfying (ψ,β,L)-generalized contractive conditions in the framework of partially ordered b-metric spaces. The main results prese...

  • Article
  • Open Access
18 Citations
4,242 Views
17 Pages

25 October 2018

The aim of this paper is to establish the existence of some common fixed point results for generalized Geraghty ( α , ψ , ϕ ) -quasi contraction self-mapping in partially ordered metric-like spaces. We display an example and an appli...

  • Article
  • Open Access
1 Citations
861 Views
17 Pages

Extension of Meir-Keeler-Khan (ψα) Type Contraction in Partial Metric Space

  • Dimple Singh,
  • Priya Goel,
  • Ramandeep Behl and
  • Iñigo Sarría

18 September 2024

In numerous scientific and engineering domains, fractional-order derivatives and integral operators are frequently used to represent many complex phenomena. They also have numerous practical applications in the area of fixed point iteration. In this...

  • Article
  • Open Access
1,202 Views
21 Pages

20 June 2024

In this manuscript, we prove numerous results concerning fixed points, common fixed points, coincidence points, coupled coincidence points, and coupled common fixed points for (ϕ,Ψ)-contractive mappings in the framework of partially ordered...

  • Article
  • Open Access
3 Citations
1,608 Views
8 Pages

1 October 2021

In this paper, we define ordered vectorial quasi contractions. We show that ordered quasi contractions are ordered vectorial quasi contractions, but the reverse is not true. We also define ordered vectorial almost contractions and present fixed point...

  • Article
  • Open Access
6 Citations
3,880 Views
13 Pages

10 December 2016

Inspired by a metrical-fixed point theorem from Choudhury et al. (Nonlinear Anal. 2011, 74, 2116–2126), we prove some order-theoretic results which generalize several core results of the existing literature, especially the two main results of Harjani...

  • Article
  • Open Access
8 Citations
3,596 Views
12 Pages

3 January 2021

Background and Objectives: To evaluate anterior capsule opening (ACO) contraction and late intraocular lens (IOL) dislocation after cataract surgery in patients with weak or partially absent zonular support and assess methods of reducing these compli...

  • Article
  • Open Access
1 Citations
1,586 Views
19 Pages

27 May 2023

The aim of this paper is to introduce new forms of quasi-contractions in metric-like spaces and initiate more general conditions for the existence of invariant points for such operators. The proposed notions are then applied to study novel existence...

  • Article
  • Open Access
10 Citations
3,559 Views
36 Pages

5 June 2019

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 lit...

  • Article
  • Open Access
1 Citations
1,181 Views
24 Pages

Some Common Fixed Point Results of Tower Mappings in (Pseudo)modular Metric Spaces

  • Daniel Francis,
  • Godwin Amechi Okeke and
  • Safeer Hussain Khan

14 July 2024

In this paper, we prove the existence and uniqueness of common fixed point of tower type contractive mappings in complete metric (pseudo)modular spaces involving the theoretic relation. However, the newly introduced contraction in this paper further...

  • Article
  • Open Access
1 Citations
1,661 Views
16 Pages

On the Existence of Solutions to a Boundary Value Problem via New Weakly Contractive Operator

  • Rhoda Chiroma,
  • Trad Alotaibi,
  • Mohammed Shehu Shagari,
  • Awad A. Bakery,
  • OM Kalthum S. K. Mohammed and
  • Arafa O. Mustafa

20 April 2023

In this paper, the notion of generalized quasi-weakly contractive operators in metric-like spaces is introduced, and new conditions for the existence of fixed points for such mappings are investigated. A non-trivial example which highlights the novel...

  • Article
  • Open Access
7 Citations
2,080 Views
14 Pages

20 February 2022

In the current paper, we first introduce a new class of contractions via a new notion called p-cyclic contraction mapping by combining the ideas of cyclic contraction mapping and p-contraction mapping. Then, we give a new definition of a cyclically 0...

  • Article
  • Open Access
115 Citations
3,653 Views
16 Pages

Social commerce is an emerging platform that entails different social features to attract the attention of online consumers. Borrowing insights from the psychological contract theory, this study examines the characteristics of social commerce platfor...

  • Article
  • Open Access
1 Citations
2,633 Views
18 Pages

6 March 2023

In collaborative innovation, personal relationships between boundary personnel of knowledge-intensive business service (KIBS) enterprises and organizational customers have a “double-edged sword” effect on inter-organizational relations. T...

  • Article
  • Open Access
5 Citations
5,894 Views
13 Pages

Relationship between Fear-Avoidance Beliefs and Muscle Co-Contraction in People with Knee Osteoarthritis

  • Takanori Taniguchi,
  • So Tanaka,
  • Tomohiko Nishigami,
  • Ryota Imai,
  • Akira Mibu and
  • Takaaki Yoshimoto

8 August 2024

Excessive muscle co-contraction is one of the factors related to the progression of knee osteoarthritis (OA). A previous study demonstrated that pain, joint instability, lateral thrust, weight, and lower extremity alignment were listed as factors aff...

  • Review
  • Open Access
3,852 Views
11 Pages

Rational Use of Bethanechol in Dogs and Cats with Bladder Dysfunction

  • Franco Galluzzi,
  • Alessandro Menozzi,
  • Roberta Saleri,
  • Fabio De Rensis and
  • Giliola Spattini

22 September 2025

Bethanechol chloride, a nonselective muscarinic agonist, is the most frequently employed drug in dogs and cats to induce detrusor smooth muscle contraction under conditions characterized by poor or absent bladder emptying. Although this drug has mini...

  • Article
  • Open Access
4,300 Views
16 Pages

26 November 2016

In this paper, we introduce the notion of an ordered rational proximal contraction in partially ordered b-quasi metric spaces. We shall then prove some best proximity point theorems in partially ordered b-quasi metric spaces.

  • Article
  • Open Access
18 Citations
5,247 Views
15 Pages

15 January 2020

Customer citizenship behaviours are important for a sustainable customer-brand relationship, yet little is known about the effect of psychological contract breach on citizenship behaviours. From the perspective of psychological contract theory, this...

  • Article
  • Open Access
10 Citations
2,383 Views
22 Pages

22 April 2024

Since the topological properties of a b-metric space (which generalizes the concept of a metric space) seem sometimes counterintuitive due to the fact that the “open” balls may not be open sets, we review some aspects of these spaces conc...

  • Article
  • Open Access
5 Citations
4,367 Views
20 Pages

Best Proximity Point Results for Generalized Θ-Contractions and Application to Matrix Equations

  • Zhenhua Ma,
  • Azhar Hussain,
  • Muhammad Adeel,
  • Nawab Hussain and
  • Ekrem Savas

15 January 2019

In this paper, we introduce the notion of C ´ iri c ´ type α - ψ - Θ -contraction and prove best proximity point results in the context of complete metric spaces. Moreover, we prove some best pro...

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