Metric Fixed Point Theory and Methods of Applications to Fractals and Fractional Equations

A special issue of Fractal and Fractional (ISSN 2504-3110). This special issue belongs to the section "General Mathematics, Analysis".

Deadline for manuscript submissions: closed (6 August 2023) | Viewed by 3470

Special Issue Editor


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Guest Editor
Department of Mathematics, Faculty of Science and Arts, Kırıkkale University, Yahsihan, Kırıkkale 71450, Turkey
Interests: fixed point; complete metric space; contraction mapping; multivalued mapping; best proximity point; fractals; iterated function systems

Special Issue Information

Dear Colleagues,

Metric fixed point theory has a wide range of applications in science and mathematics, e.g., variational inequalities, approximation theory, nonlinear analysis, integral and differential equations with both ordinary and fractional orders, dynamic systems theory, mathematical economics, game theory, equilibrium problems, optimization problems, and mathematical modeling.

In addition, fractals can be generated via contraction mapping, which plays a key role in metric fixed point theory. This can be obtained using Hutchinson's iterated function system (IFS). An IFS is made up of a metric space and a set of finite contraction mappings.

Under certain conditions, we can reach a fixed compact subset known as an attractor of the IFS or a fractal, if we begin with any compact subset of the metric space and employ these mappings iteratively. Furthermore, IFS is also an efficient method for creating a wide range of geometric objects.

In this Special Issue, we hope to publish articles on fixed point theory and applications in various distance spaces, such as metric space, b-metric space, quasi-metric space, fuzzy metric space, and so on. We anticipate that these articles will include applications to fractional, differential, or integral equations. Additionally, it would be also preferable if the application included any aspect of fractal theory.

Prof. Dr. Ishak Altun
Guest Editor

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Keywords

  • fixed point
  • complete metric space
  • contraction mapping
  • best proximity point
  • iterated function system
  • fractals
  • fractional differential equation
  • fractional derivatives
  • existence theorems

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Published Papers (2 papers)

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Research

22 pages, 376 KiB  
Article
Common and Coincidence Fixed-Point Theorems for -Contractions with Existence Results for Nonlinear Fractional Differential Equations
by Bilal Iqbal, Naeem Saleem, Iram Iqbal and Reny George
Fractal Fract. 2023, 7(10), 747; https://doi.org/10.3390/fractalfract7100747 - 10 Oct 2023
Cited by 2 | Viewed by 1365
Abstract
In this paper, we derive the coincidence fixed-point and common fixed-point results for -type mappings satisfying certain contractive conditions and containing fewer conditions imposed on function with regard to generalized metric spaces (in terms of Jleli Samet). Finally, a fractional [...] Read more.
In this paper, we derive the coincidence fixed-point and common fixed-point results for -type mappings satisfying certain contractive conditions and containing fewer conditions imposed on function with regard to generalized metric spaces (in terms of Jleli Samet). Finally, a fractional boundary value problem is reduced to an equivalent Volterra integral equation, and the existence results of common solutions are obtained with the use of proved fixed-point results. Full article
13 pages, 330 KiB  
Article
Geraghty Type Contractions in Relational Metric Space with Applications to Fractional Differential Equations
by Ahmed Alamer, Nidal H. E. Eljaneid, Musaad S. Aldhabani, Nifeen H. Altaweel and Faizan Ahmad Khan
Fractal Fract. 2023, 7(7), 565; https://doi.org/10.3390/fractalfract7070565 - 24 Jul 2023
Cited by 3 | Viewed by 1074
Abstract
The present manuscript is devoted to investigating some existence and uniqueness results on fixed points by employing generalized contractions in the context of metric space endued with a weak class of transitive relation. Our results improve, modify, enrich and unify several existing fixed [...] Read more.
The present manuscript is devoted to investigating some existence and uniqueness results on fixed points by employing generalized contractions in the context of metric space endued with a weak class of transitive relation. Our results improve, modify, enrich and unify several existing fixed point theorems, The results proved in this study are utilized to find a unique solution of certain fractional boundary value problems. Full article
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