Mohammed K A Kaabar

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• Full Professor; PhD; Educational Leader, Keynote Speaker, Academician, Editor, Erdős Number= 4; Albert Einstein Number=5
• Alumnus at Washington State University

In this paper, the existence of the solution and its stability to the fractional boundary value problem (FBVP) were investigated for an implicit nonlinear fractional differential equation (VOFDE) of variable order. All existence criteria of the solutions in our establishments were derived via Krasnoselskii’s fixed point theorem and in the sequel, a...

In this work, the (3+1)-dimensional Wazwaz–Benjamin–Bona–Mahony equation is formulated in the sense of conformable derivative. Two novel methods of generalized Kudryashov and expð−φðℵÞÞ are investigated to obtain various exact soliton solutions. All algebraic computations are done with the help of the Maple software. Graphical representations are p...

Our main purpose in this paper is to prove the existence of solutions for the fractional strongly singular thermostat model under some generalized boundary conditions. In this way, we use some recent nonlinear fixed-point techniques involving α-ψ-contractions and α-admissible maps. Further, we establish the similar results for the hybrid version of...

A generalized fractional derivative (GFD) definition is proposed in this work. For a differentiable function expanded by a Taylor series, we show that $D^{\alpha}D^{\beta}f(t)=D^{\alpha+\beta}f(t);0<\alpha\leq1$;$0<\beta\leq1$. GFD is applied for some functions to investigate that GFD coincides with the results from Caputo and Riemann-Liouville fra...

Recently, a generalized fractional derivative formulation, known as Abu-Shady-Kaabar fractional derivative, is studied in detail which produces satisfactory results that are consistent with conventional definitions of fractional derivative such as Caputo and Riemann-Liouville. To derive the fractional forms of special functions, the generalized fra...

The newly proposed Abu-Shady-Kaabar (A-S-K) fractional derivative, initiated as generalized form of fractional derivative, is studied in this paper. New results are obtained via this newly proposed definition are investigated. The derivability and integrability of the sum function of fractional power series are studied in this context. Likewise, th...

In this research, we obtain some new result related to a category of linear bounded operators, which is known as (A,ὶ)-expansive operators acting on infinite Hilbert spaceὶ. Further, we establish sufficient conditions which (A,ὶ)-expansive operators are not supercyclic. We supply some spectral properties of (A,ὶ)-expansive operators, too. Also, som...

This paper addresses the extension of the Martinez–Kaabar fractal–fractional calculus (simply expressed as MK calculus) to the context of reduced differential transformation, with applications to the solution of some partial differential equations. Since this differential transformation is derived from the Taylor series expansion of real-valued fun...

A radio labeling technique in graph theory is used to maximize the number of channels in a pre-established spectrum bandwidth. A radio labeling of a connected graph G = (V, E) with diameter d is an injection φ : V (G) → N such that |φ (x) − φ(y)| + d (x, y) ≥ 1 + d ∀x, y ∈ V (G). The maximum number assigned to any vertex of G under the mapping φ is...

The authors express their gratitude to the editor and reviewers for their insightful comments and valuable recommendations , which helped elevate the quality of our article. Abstract Let δ and ∆ be the minimum and maximum valency (degree) of a simple connected graph G(V, E). A mapping σ : V (G) → {0, 1, 2. . .} is called a minimum valency radio lab...

This paper addresses the extension of Martinez–Kaabar (MK) fractal–fractional calculus (for simplicity, in this research work, it is referred to as MK calculus) to the field of integral transformations, with applications to some solutions to integral equations. A new notion of Laplace transformation, named MK Laplace transformation, is proposed, wh...

This Special Issue highlights the latest achievements in the field of digital finance, showcasing how advanced technologies have transformed and continue to shape the global financial landscape. In the Fintech 5.0 era, which is marked by innovations such as blockchain and artificial intelligence, challenges and opportunities abound. The contributin...

We obtain the existence of solutions of single and multidimensional fractional neutral functional q-differential equations with bounded delay based on operator equations by using Krasnoselskii’s fixed point theorem. At the end, examples, which contain some tables, figures and related algorithms with numerical effect, are presented to show applicat...

The extension of the theory of generalized fractal–fractional calculus, named in this article as Martínez–Kaabar Fractal–Fractional (MKFF) calculus, is addressed to the field of integral equations. Based on the classic Adomian decomposition method, by incorporating the MKFF α,γ-integral operator, we establish the so-called extended Adomian decompos...

The book provides comprehensive and cognitive approach to building and deploying sophisticated information systems. The book utilizes non-linear optimization techniques, fuzzy logic, and rough sets to model various real-world use cases for the digital era. The hybrid information system modeling handles both qualitative and quantitative data and can...

In science and engineering, differential equations play an important role in all models and systems. This topic is very special due to the variety of classes for differential equations, and the fact that each class is essential while studying applied sciences and engineering. The main aim of this Special Issue is to create a collection of state-of-...

In this investigation, we explore the existence and uniqueness of solutions for fractional hybrid differential equations and inclusions of Langevin and Sturm-Liouville within the sense of the ψ-Hilfer fractional derivatives. We characterize an unused operator based on the integral solution of the given boundary value inclusion problem, and after th...

In this article, new results are investigated in the context of the recently introduced Abu-Shady-Kaabar fractional derivative. First, we solve the generalized Legendre fractional differential equation. As in the classical case, the generalized Legendre polynomials constitute notable solutions to the aforementioned fractional differential equation....

The objectives of this study are to develop the SEIR model for Covid-19 and evaluate its main parameters such as therapeutic vaccines, vaccination rate and effectiveness of prophylactic. Global and local stability of the model and numerical simulation are examined. Local stability of equilibrium points was classified. A Lyapunov function is constru...

Some novel solutions to a system of coupled Schrödinger-Korteweg-de Vries equations are explored in this work by employing the extended sinh-Gordon equation expansion method to the proposed system. Some novel forms of explicit complex hyperbolic and complex trigonometric function solutions such as singular, combined singular, dark, bright, combined...

In this study, a new generalized fractal-fractional (FF) derivative is proposed. By applying this definition to some elementary functions, we show its compatibility with the results of the FF derivative in the Caputo sense with the power law. The main elements of classical differential calculus are introduced in terms of this new derivative. Thus,...

In this study, we use certain mathematical tools to analyze the solutions of a system of fractional $q$-differential equation ${}^C\mathbb{D}_{q}^{\sigma_i} [\wp](\mathfrak{t}) = \mathfrak{w}_i( \mathfrak{t}, \wp(\mathfrak{t}), {}^C\mathbb{D}_{q}^{{}_i\nu_{j}} [\wp](\mathfrak{t}), \mathbb{I}_{q}^{{}_{i}\nu_j} [\wp] (\mathfrak{t}) )$, $i=~1$ whenev...

The Collaborative Economy CE5P (Planet, People, Partnership, Prosperity, Peace) represents a compilation of insightful research studies that analyse the crucial aspects of sustainability, collaboration, and economic development, in accordance with the initial objectives of the special issue. It explores responses to multiple contemporary crises and...

In the last three decades, fractional calculus has broken into the field of mathematical analysis, both at the theoretical level and at the level of its applications. In essence, the fractional calculus theory is a mathematical analysis tool applied to the study of integrals and derivatives of arbitrary order, which unifies and generalizes the clas...

Under the COVID-19 outbreak, the traditional teaching mode in universities is limited, and online teaching is in full swing. However, various factors that affect students’ online classroom experience in teaching have characteristics of fuzziness and uncertainty. Therefore, using the course of human resource management as an example, this paper empl...

The concept of Public Integrity Whistleblower appeared over 30 years ago in America and developed countries, being a support tool in public and private institutions, with a fundamental role to protect the ethical and moral values existing at their level, and with an important major at the level of academic institutions. From the perspective of the...

The Dirac equation (DE) plays an essential role in the relativistic quantum systems, which is reduced to a form similar to Schrödinger equation when a certain potential’s type is selected as the Cornell potential. By choosing the generalized fractional derivative, the fractional Nikiforov–Uvarov method is applied as a good efficient tool. The energ...

This study aims to propose a mathematical model in the frame of fractional derivative, that explores the relationship between crops, farmers, and intermediaries. To model this dynamics of the interaction between crops, farmers, and intermediaries, we employ the three-species Lotka–Volterra Holling type-I model. Existence and uniqueness of the solut...

I am now serving as a Member of the Editorial Advisory Board at the Journal of Soft Computing and Artificial Intelligence (JSCAI) (Open Access: Free (No APC)). JSCAI is an international peer-reviewed and indexed journal that publishes advanced, integrated research articles in English in all areas of soft computing and artificial intelligence. I am...

I am serving as one of the editors for a new proposed book entitled "FROM DATA TO ACTIONABLE: Understanding the Real Benefits of Synchronizing and Synergizing Information Systems and Advanced Optimization Strategies" to be published at the most famous publisher, DE GRUYTER (indexed by Scopus and Web of Science). I am inviting all researchers to con...

The idea of fuzzy numbers is determined according to their uncertainty points, which include interval values, triangular, trapezoidal, and heptagonal fuzzy numbers, etc. This article contains two types of fuzzy numbers: the heptagonal fuzzy number (HpFN) and heptagonal interval-valued fuzzy numbers (HpIVFN). For both the HpFN and HpIVFNs, the new d...

This paper derives some equalities via twice differentiable functions and conformable fractional integrals. With the help of the obtained identities, we present new trapezoid-type and midpoint-type inequalities via convex functions in the context of the conformable fractional integrals. New inequalities are obtained by taking advantage of the conve...

Certificate of Appointment (Dr. Kaabar) as the Ambassador of Palestine for ReviewerCredits GmbH in Berlin, Germany which is a global platform dedicated to scientists, journals and publishers addressing the peer review process. ReviewerCredits GmbH is a member of the European Association of Science Editors, COPE, ORCID, and DORA.

We are listed in the list of the most downloaded articles from Journal of Ocean Engineering and Science in Elsevier

Remote sensing big data workflows are formed by combining workflow and the remote sensing data processing system, and have the capabilities of remote sensing data processing, analysis, and visualization. There are many issues such as numerous sensors, sophisticated processing algorithms, and lacking of a unified process management about the operati...

I am serving as an editor for the 7th International Workshop on Education, Big Data and Information Technology (EBDIT 2023). The conference proceedings will be published by Springer Nature book series, indexed by SCOPUS, INSPEC, WTI Frankfurt eG, zbMATH, SCImago, and submitted for consideration in Web of Science. I am calling for papers submission...

Smoking is globally a challenging issue that causes many fatal health problems. In this paper, a nonlinear fractional smoking mathematical model is proposed in the context of a modi-fied form of the Caputo fractional-order derivative. The analytical and approximate-analytical solutions are obtained for the proposed mathematical model via the fracti...

Let G = (V, E) be a connected graph with diameter d and order n. A non-empty subset X of V is called a resolving set if for each pair u, v ∈ V such that u ̸ = v, then there is a vertex x in X satisfies d(x, u) ̸ = d(x, v). The minimum cardinality of all such resolving sets is called the resolving number of G. Let X be a non-empty minimum cardinalit...

Manufacturing robots are used for industrial purposes. Robots used for manufacturing purpose have the power to create products from raw materials and are capable of operating endlessly even in lights-out situations for continuous production. Manufacturing robots can be used in applications like arc welding, spot welding, materials handling, machine...

The Dirac equation plays an essential role in the relativistic quantum systems, which is reduced to a form similar to Schrodinger equation when a certain potential's type is selected as the Cornell potential. By choosing the generalized fractional derivative, the fractional Nikiforov-Uvarov method is applied as a good efficient tool. The energy eig...

In this article, we consider a Covid-19 model for a population involving diabetics as a subclass in the fractal-fractional (FF) sense of derivative. The study includes: existence results, uniqueness, stability and numerical simulations. Existence results are studied with the help of fixed-point theory and applications. The numerical scheme of this...

In this manuscript, we study the existence and uniqueness of solutions for a new neutral hybrid nonlinear differential equation in the context of a fractional generalized operator in the sense of ψ-Caputo. To emphasize the novelty of the manuscript, a pure technique of the noncompactness measures is applied to a hybrid system based on the notion of...

The future of finance is digital: consumers and businesses are increasingly turning to digital financial services, innovative market participants are implementing new technologies, and existing business models are changing. The links between finance and technology have been known since the appearance of the telegraph and its use in the transmissio...

The work aims to explore the exponential rational function technique and the generalized Kudryashov procedure to investigate one of the most important equations which is the equation of cold bosonic atoms in a zig-zag optical lattice. The considered equation is reduced to a supreme equation by using the continuum approximation which describes the s...

This study investigates novel exact solutions to the conformable resonant Schrödinger equation. For this purpose, two reliable techniques are employed involving the generalized Kudryashov and exponential rational function procedures. The 3D graphics of some obtained solutions are also given. The investigated equation is very important to the field...

Collaborative economy CE5P (Planet, People, Partnership, Prosperity, Peace) https://www.frontiersin.org/research-topics/52444/collaborative-economy-ce5p-planet-people-partnership-prosperity-peace This Research Topic on the Collaborative economy CE5P (Planet, People, Partnership, Prosperity, and Peace) aims to respond to the current multi-crises thr...

In this article, we consider a Covid-19 model for a population involving diabetics as a subclass in the fractal-fractional (FF) sense of derivative. The study includes: existence results, uniqueness, stability and numerical simulations. Existence results are studied with the help of fixed-point theory and applications. The numerical scheme of this...

This paper revisits the topic of Pythagorean triples with a different perspective. While numerous methods were explored to generate Pythagorean triples, none of them is whole in terms of producing all of the triples without repetitions. Indeed, many current methods focus on producing primitive triples but there does not exist multiple triples.We ex...

Background: Workplace social support might have a protective function against migraine in the social context of China, as close co-worker relationships and collectivism are acknowledged as work values in Chinese society. Objectives: This paper aimed to analyse the association between migraine and workplace social support. The validity and reliab...

In this article, we study boundary value problems for fractional differential equations with multiple orders of fractional derivatives and integrals, in both fractional differential equation and boundary conditions. Existence and uniqueness results are obtained using Sadovskii’s fixed point theorem. Finally, numerical examples are provided to confi...

The aim of the manuscript is to study new optical soliton solutions of the Kundu–Mukherjee–Naskar (KMN) equation via the (G′/G,1/G )-expansion technique and the exponential rational function (ERF) procedure. The results are produced under the constraint conditions, and their graphical representation highlights them. These discoveries might aid in t...

We are now serving as editors for the Special Issue "Frontiers in Newly Generalized Fractional Operators with Applications in Nonlinear Mathematical Physics" at Axioms, MDPI (indexed by Scopus and SCIE with IF: 1.824) (https://www.mdpi.com/journal/axioms/special_issues/EHVV86QV03). I am calling for high quality papers submission to our special issu...

With the development of mobile internet, Chinese farmers have started to access diversified information through social media, on one hand, based on breadth of information. On the other hand, as most farmers still live in rural areas, their socio-economic characteristics and lifestyles are in homogeneous acquaintance social network relationships, i....

We are now serving as editors for the Special Issue "Special Topics in Differential Equations with Applications" at Axioms, MDPI (indexed by Scopus and SCIE with IF: 1.824) (https://www.mdpi.com/journal/axioms/special_issues/IL225829S0). I am calling for high quality papers submission to our special issue. All researchers are invited to submit pape...

Mikkes River Basin is located in the north-center of the Kingdom of Morocco (North-West of Africa). It comprises of three different zones which represent diversified geologies and which shelter a phreatic and confined aquifer in Saïs plain and a shallow aquifer in El Hajeb Ifrane Tabular. This research aims to highlight the potential impact of drou...

This paper presents the solution of important types of non-linear time-fractional partial differential equations via the conformable Elzaki transform Homotopy perturbation method. We apply the proposed technique to solve four types of non-linear time-fractional partial differential equations. In addition, we establish the results on the uniqueness...

Mikkes River Basin is located in the north-center of the Kingdom of Morocco (North-West of Africa). It comprises of three different zones which represent diversified geologies and which shelter a phreatic and confined aquifer in Saïs plain and a shallow aquifer in El Hajeb Ifrane Tabular. This research aims to highlight the potential impact of drou...

In this work, we analyze plankton–fish dynamics in the presence of toxicity, refuge, and combine-harvesting efforts by a considering Holling type-II functional response. We have considered phytoplankton, zooplankton, and fish populations, and the interdependent evolution is presented with the help of the Caputo fractional derivative. Since toxicity...

2022 3rd International Conference on Materials, Physics and Computers (MPC 2022) & 2022 3rd IETI Materials and Engineering Forum, it will be held on July 30-31 2022 in Kuala Lumpur, Malaysia (online conference by ZOOM, due to COVID-19/travel restrictions, etc). The MEF is the annual conference of the International Water, Air and Soil Conservation (...

Background Migraine underdiagnosis and undertreatment are so widespread, that hence is essential to diagnose migraine sufferers in nonclinical settings. A systematic review of validation studies on migraine diagnostic tools applicable to nonclinical settings can help researchers and practitioners in tool selection decisions. Objective To systematic...

This paper proposes initial-boundary value problems for time-fractional analogs of Kuramoto-Sivashinsky, Korpusov-Pletner-Sveshnikov, Cahn-Allen, and Hoff equations due to a bounded domain. Adequate conditions for the blowing-up of solutions in limited time of previously mentioned conditions are displayed. The Pohozhaev nonlinear capacity strategy...

Since the natural resources of the world are not unlimited, the effective use of resources and the access of future generations to these resources concern all societies on a global scale. From this point of view, waste management strategies should be examined in terms of medical, household, and other waste types. Thereby, this study aims to examine...

Since the natural resources of the world are not unlimited, the effective use of resources and the access of future generations to these resources concern all societies on a global scale. From this point of view, waste management strategies should be examined in terms of medical, household, and other waste types. Thereby, this study aims to examine...

A newly proposed generalized formulation of the fractional derivative, known as Abu-Shady-Kaabar fractional derivative, is investigated for solving fractional differential equations in a simple way. Novel results on this generalized definition is proposed and verified, which complete the theory introduced so far. In particular, the chain rule, some...

Various new exact solutions to ( 3 + 1 ) \left(3+1) -dimensional Wazwaz–KdV equations are obtained in this work via two techniques: the modified Kudryashov procedure and modified simple equation method. The 3D plots, contour plots, and 2D plots of some obtained solutions are provided to describe the dynamic characteristics of the obtained solutions...

In the Internet era, as more and more online education platforms are launched, the application of online learning will become more and more popular. The learner's online self-regulated learning is not only the learner's self-assessment of the learning effect, but also the learners' motivation for further learning. Therefore, using the structural eq...

Plants have a long history and diverse species. They play a critical role in the ecological chain, human production and life. With a vast territory, China has rich plant species and complex geographical regions, and research on the distribution of plant diversity in China is significant for utilising, developing, and protecting biological resources...

In this article, we study boundary value problems for fractional differential equations with multiple orders of fractional derivatives and integrals, in both fractional differential equation and boundary conditions. Existence and uniqueness results are obtained using Sadovskii's fixed point theorem. Finally, numerical examples are provided to confi...

In the last three decades, fractional calculus has broken into the field of mathematical analysis, both at the theoretical level and at the level of its applications. In essence, the fractional calculus theory is a mathematical analysis tool applied to the study of integrals and derivatives of arbitrary order, which unifies and generalizes the clas...

In the present paper, we consider a nonlinear fractional snap model with respect to a G-Caputo derivative and subject to non-periodic boundary conditions. Some qualitative analysis of the solution, such as existence and uniqueness, are investigated in view of fixed-point theorems. Moreover, the stabilities of Ulam–Hyers and Ulam–Hyers–Rassias crite...

In this study, the idea of $q$-calculus is applied to define new classes of spirallike functions $\alpha-UCSPT(q, \phi, \delta)$and $\alpha-SP_pT(q, \phi, \delta)$. The coefficient inequalities, rotational invariance and containment results are proved for these classes. Further, by introducing a parameter $\beta$, two more subclasses are defined an...

We study sequential fractional pantograph q-differential equations. We establish the uniqueness of solutions via Banach’s contraction mapping principle. Further, we define and study the Ulam–Hyers stability and Ulam–Hyers–Rassias stability of solutions. We also discuss an illustrative example.

Dendrimers are highly branched macromolecules with unique structure and properties. The applications of dendrimers are vast in the field of nano-science and chemistry. The topological indices, a numeric invariant characterises the properties of chemical compounds in the field of QSPR/QSAR. The study of the properties of dendrimers and their associa...

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This article discusses the stability results for solution of a fractional q-integro-differential problem via integral conditions. Utilizing the Krasnoselskii’s, Banach fixed point theorems, we demonstrate existence and uniqueness results. Based on the results obtained, conditions are provided to ensure the generalized Ulam and Ulam–Hyers–Rassias st...

We have analyzed the two coupled nonlinear Schrödinger equations (CNLSE) in the current work. This model has applications in high birefringence fibers. To generate different types of analytical solutions, including exponential, periodic, and soliton-type, we operated generalized Kudryashov, modified Kudryashov and exponential rational function proc...

Abu-shady and Kaabar proposed a generalized fractional derivative (GFD) formulation [13], which produces satisfactory results that are consistent with conventional fractional derivative definitions such as Caputo (CP) and Riemann-Liouville (RL). To derive the fractional forms of special functions, GFD is used. The …ndings demonstrate that the curre...

Due to the size constraint, antennas with compact size are required that can support multibands with single radiating element. Dielectric Resonator Antenna (DRA) can support multiple modes with good efficiency and gain using single radiating element. In this paper, a quad-band DRA is proposed for WLAN/WiMAX bands using a single CPW feed. Out of fou...

The range of effectiveness of the novel corona virus, known as COVID-19, has been continuously spread worldwide with the severity of associated disease and effective variation in the rate of contact. This paper investigates the COVID-19 virus dynamics among the human population with the prediction of the size of epidemic and spreading time. Corona...

This article aims to develop a mathematical simulation of the steady mixed convective Darcy–Forchheimer flow of Williamson nanofluid over a linear stretchable surface. In addition, the effects of Cattaneo–Christov heat and mass flux, Brownian motion, activation energy, and thermophoresis are also studied. The novel aspect of this study is that it i...

An extended method of semidiscrete high-resolution finite volume is used in this paper to obtain numerical solutions for a formulated nonlinear lumped kinetic model of liquid chromatographic process to examine the effect of chromatographic column overloading gradient elution considering core-shell particles. The model constitutes linear solvent str...

SARS-CoV-2, known as COVID-19, has affected the entire world, resulting in an unexpected death rate as compared to the death probability before the pandemic. Prior to the COVID-19 pandemic, death probability has been assessed in a normal context that is different from those anticipated during the pandemic, particularly for the older population clus...

The existence aspects along with the stability of solutions to a Hadamard variable order fractional boundary value problem are investigated in this research study. Our results are obtained via generalized intervals and piecewise constant functions and the relevant Green function, by converting the existing Hadamard variable order fractional boundar...

is article studies the existence theory of an innovation type of generalized proportional fractional di erential equations with the assistance of the technique of Kuratowski measure on noncompactness combined with the xed-point theorem of Mönch. Also, we use Lebesgue's dominated convergence theorem and Arzelá-Ascoli xed point theorem on existence a...

The current analysis employs the improved F-expansion, modified extended tanh, exponential rational function, and (g′)−expansion procedures to find a divergent collection of the fractional Liouville equation’s exact solutions in the context of beta-derivative. Also, we have given the graphical representations of the obtained results. These plots ar...

We are now serving as editors for the Special Issue "The 2022 3rd International Conference on Materials, Physics and Computers (MPC 2022)" at Symmetry, MDPI (https://www.mdpi.com/journal/symmetry/special_issues/The_2022_3rd_International_Conference_Materials_Physics_Computers_MPC_2022). I am calling for papers submission to our conference special i...

In this manuscript, Optimal Homotopy Asymptotic Method (OHAM) is used to find the approximate solutions of time fractional Phi-4 nonlinear partial differential equations. Approximate first order results are acquired through OHAM and are compared with the exact solutions. It has been noticed that the obtained results from OHAM have large convergence...

I have been awarded the 2022 Peer Reviewer Extraordinaire Award from California State University, Long Beach, CA, USA for Major Contribution for the Mathematics Peer Review Process at the Multimedia Educational Resources for Learning and Online Teaching (MERLOT II) Program

A novel technique, named auxiliary equation method, is applied in this research work for obtaining new traveling wave solutions for two interesting proposed systems: the Kaup-Boussinesq system and generalized Hirota-Satsuma coupled KdV system with beta time fractional derivative. Our solutions were obtained using MAPLE software. This technique show...

Reviewer Certificate on March 14, 2022 from the IET Communications (Q3 Journal) (Indexed by Scopus and Web of Science-SCIE) issued by Wiley

The COVID-19 pandemic has caused emotional loss to people around the world and provides an unusual test for public welfare, educational framework, food frameworks, and the world of work. The economic and social turmoil caused by this epidemic is increasing, and many people are at risk of falling into oppressive poverty. In this article, we describe...

In this work, a proposed system of fractional boundary value problems is investigated concerning its unbounded solutions' existence for a class of nonlinear fractional q-difference equations in the context of the Riemann-Liouville fractional q-derivative on an infinite interval. The system's solution is formulated with the help of Green's function....

I am calling all researchers to consider our journal by submitting their novel contributions in the fields of numerical methods throughout science and engineering. This is the link for submission: https://www.journal-cand.com/

We are now serving as editors for the Special Issue "Applied Mathematics Fractional Calculus II " at Symmetry, MDPI (Indexed by Scopus and SCIE (Web of Science) with an impact factor of 2.713. This is the link for submission: (https://www.mdpi.com/journal/symmetry/special_issues/Applied_Mathematics_Fractional_Calculus_II). I am calling for papers s...