Symmetry in Fractional Calculus: Advances and Applications

A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Mathematics".

Deadline for manuscript submissions: closed (31 December 2023) | Viewed by 7960

Special Issue Editors


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Guest Editor
Section of Mathematics, International Telematic University Uninettuno, Corso Vittorio Emanuele II, 39, 00186 Rome, Italy
Interests: fractional calculus; mathematical physics; mathematical modelling; fluid dynamics; energy; numerical analysis

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Guest Editor
Faculty of Science and Mathematics, University of Niš, Višegradska 33, 18000 Nis, Serbia
Interests: operation research; generalized inverses; applied and computational mathematics
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Special Issue Information

Dear Colleagues,

The subject convex analysis is very important in the theoretical aspects of mathematics and also for economists and physicists. Mathematicians use this theory, to provide the solution to problems that arise in mathematics. This theory touches almost all branches of mathematics.

Convex functions play an important role in many areas of mathematics, as well as in other areas of science economy, engineering, medicine, industry, and business. It is especially important in the study of optimization problems, where it is distinguished by several convenient properties (for example, any minimum of a convex function is a global minimum, or the maximum is attained at a boundary point). This explains why there is a very rich theory of convex functions and convex sets. Optimization of convex functions has many practical applications (circuit design, controller design, modeling, etc.). Due to a lot of importance, the term ‘convexity’ has become a rich source of inspiration and absorbing field for researchers.

Fractional calculus manages the investigation of supposed fractional derivatives and integrations over complex areas and their applications. Fractional calculus is the purported assignment of differentiations and integrations of arbitrary non-integer order. Lately, it has kept the consideration of several mathematicians because of its real-life applications. More importantly, it has turned into a valuable tool for handling the elements of perplexing frameworks from different parts of pure and applied sciences. On the other hand, the concept of symmetry is a beauty structure used to describe the environment and problems of the real world, as well as to strengthen the relationship between mathematical science and applied science such as physics and engineering. Therefore, the concept of symmetry exists in fractional calculus as in many other fields.

The purpose of this Special Issue is to pay tribute to the significant contributions and recent advances in theories, methods, and applications, including, but not limited to, the following Symmetry related fields:

  • Convex functions;
  • Symmetry in fractional models and operators;
  • Fractional integral inequality;
  • Generalized functions (distributions);
  • Special functions and Mittag–Leffler function;
  • Integral transforms;
  • Optimization and optimal control theory;
  • Game theory and dynamical systems;
  • Hermite–Hadamard, Ostrowski, Simpson, Jensen–Mercer type inequalities, etc.;
  • Quantum, post-quantum calculus;
  • Symmetry on fractal and fractional differential operators.

Dr. Hijaz Ahmad
Prof. Dr. Predrag S. Stanimirović
Guest Editors

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Keywords

  • convex functions
  • symmetry in fractional models and operators
  • fractional integral inequality
  • generalized functions (distributions)
  • special functions and Mittag–Leffler function
  • integral transforms
  • optimization and optimal control theory
  • game theory and dynamical systems
  • Hermite–Hadamard, Ostrowski, Simpson, Jensen–Mercer type inequalities, etc.
  • quantum, post-quantum calculus
  • symmetry on fractal and fractional differential operators

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Published Papers (5 papers)

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Research

16 pages, 394 KiB  
Article
Pursuit and Evasion Linear Differential Game Problems with Generalized Integral Constraints
by Bashir Mai Umar, Jewaidu Rilwan, Maggie Aphane and Kanikar Muangchoo
Symmetry 2024, 16(5), 513; https://doi.org/10.3390/sym16050513 - 24 Apr 2024
Viewed by 935
Abstract
In this paper, we study pursuit and evasion differential game problems of one pursuer/one evader and many pursuers/one evader, respectively, in the space Rn. In both problems, we obtain sufficient conditions that guarantee the completion of a pursuit and an evasion. [...] Read more.
In this paper, we study pursuit and evasion differential game problems of one pursuer/one evader and many pursuers/one evader, respectively, in the space Rn. In both problems, we obtain sufficient conditions that guarantee the completion of a pursuit and an evasion. We construct the players’ optimal strategies in both problems, and we estimate the possible distance that an evader can preserve from pursuers. Lastly, we illustrate our results via some numerical examples. Full article
(This article belongs to the Special Issue Symmetry in Fractional Calculus: Advances and Applications)
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11 pages, 290 KiB  
Article
Variations in the Tensorial Trapezoid Type Inequalities for Convex Functions of Self-Adjoint Operators in Hilbert Spaces
by Vuk Stojiljković, Nikola Mirkov and Stojan Radenović
Symmetry 2024, 16(1), 121; https://doi.org/10.3390/sym16010121 - 19 Jan 2024
Cited by 5 | Viewed by 1096
Abstract
In this paper, various tensorial inequalities of trapezoid type were obtained. Identity from classical analysis is utilized to obtain the tensorial version of the said identity which in turn allowed us to obtain tensorial inequalities in Hilbert space. The continuous functions of self-adjoint [...] Read more.
In this paper, various tensorial inequalities of trapezoid type were obtained. Identity from classical analysis is utilized to obtain the tensorial version of the said identity which in turn allowed us to obtain tensorial inequalities in Hilbert space. The continuous functions of self-adjoint operators in Hilbert spaces have several tensorial norm inequalities discovered in this study. The convexity features of the mapping f lead to the variation in several inequalities of the trapezoid type. Full article
(This article belongs to the Special Issue Symmetry in Fractional Calculus: Advances and Applications)
30 pages, 891 KiB  
Article
On Fractional Ostrowski-Mercer-Type Inequalities and Applications
by Sofia Ramzan, Muhammad Uzair Awan, Miguel Vivas-Cortez and Hüseyin Budak
Symmetry 2023, 15(11), 2003; https://doi.org/10.3390/sym15112003 - 31 Oct 2023
Viewed by 1369
Abstract
The objective of this research is to study in detail the fractional variants of Ostrowski–Mercer-type inequalities, specifically for the first and second order differentiable s-convex mappings of the second sense. To obtain the main outcomes of the paper, we leverage the use [...] Read more.
The objective of this research is to study in detail the fractional variants of Ostrowski–Mercer-type inequalities, specifically for the first and second order differentiable s-convex mappings of the second sense. To obtain the main outcomes of the paper, we leverage the use of conformable fractional integral operators. We also check the numerical validations of the main results. Our findings are also validated through visual representations. Furthermore, we provide a detailed discussion on applications of the obtained results related to special means, q-digamma mappings, and modified Bessel mappings. Full article
(This article belongs to the Special Issue Symmetry in Fractional Calculus: Advances and Applications)
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20 pages, 458 KiB  
Article
Fejér-Type Inequalities for Harmonically Convex Functions and Related Results
by Muhammad Amer Latif
Symmetry 2023, 15(8), 1602; https://doi.org/10.3390/sym15081602 - 18 Aug 2023
Cited by 1 | Viewed by 997
Abstract
In this paper, new Fejér-type inequalities for harmonically convex functions are obtained. Some mappings related to the Fejér-type inequalities for harmonically convex are defined. Properties of these mappings are discussed and, as a consequence, we obtain refinements of some known results. Full article
(This article belongs to the Special Issue Symmetry in Fractional Calculus: Advances and Applications)
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15 pages, 905 KiB  
Article
Some New Hermite–Hadamard Type Inequalities Pertaining to Generalized Multiplicative Fractional Integrals
by Artion Kashuri, Soubhagya Kumar Sahoo, Munirah Aljuaid, Muhammad Tariq and Manuel De La Sen
Symmetry 2023, 15(4), 868; https://doi.org/10.3390/sym15040868 - 5 Apr 2023
Cited by 10 | Viewed by 1714
Abstract
There is significant interaction between the class of symmetric functions and other types of functions. The multiplicative convex function class, which is intimately related to the idea of symmetry, is one of them. In this paper, we obtain some new generalized multiplicative fractional [...] Read more.
There is significant interaction between the class of symmetric functions and other types of functions. The multiplicative convex function class, which is intimately related to the idea of symmetry, is one of them. In this paper, we obtain some new generalized multiplicative fractional Hermite–Hadamard type inequalities for multiplicative convex functions and for their product. Additionally, we derive a number of inequalities for multiplicative convex functions related to generalized multiplicative fractional integrals utilising a novel identity as an auxiliary result. We provide some examples for the appropriate selections of multiplicative convex functions and their graphical representations to verify the authenticity of our main results. Full article
(This article belongs to the Special Issue Symmetry in Fractional Calculus: Advances and Applications)
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