Contemporary Mathematics
ISSN: 2705-1064 (Print) 2705-1056 (Online) DescriptionContemporary Mathematics is a bimonthly peer-reviewed scientific journal. Our ultimate goal is to make the journal an important source for publishing high quality papers related to the development of contemporary mathematics as well as a continuing and evolving source of interesting and relevant problems for researchers.
The scope of this journal includes theoretical, numerical, and experimental studies in all fields of mathematics and the mathematical sciences. A broad spectrum of topics are covered: mathematical theory, pure mathematics, algebra, geometry and topology, complex analysis, differential equations, industrial mathematics, computational mathematics, discrete mathematics, applied mathematics, mathematical physics, mathematical statistics, etc.
CiteScore (2023) Impact Factor (2023)
0.6 0.6
Announcement
Apr 03,2025
Special Issue: Computationally Efficient Cryptographic Algorithms for Secure and Scalable Communication
Apr 03,2025Special Issue: Applied Mathematics in the Age of Intelligent Systems and Data Science
Mar 31,2025Special Issue: Recent advancement in fixed point theory and measures of noncompactness
Mar 31,2025Special Issue: Advanced Research in Complex Analysis Operators and Special Classes of Analytic Functions
Mar 21,2025Special Issue: Mathematical Foundations and Computational Advances in Communication Networks and Immersive Technologies
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Latest Articles
Open Access Article
Cubic Splines with Least-Squares and Conditioned Curvature and Applications
by Percy Antonio Ticona Centeno, Jorge Lizardo Díaz Calle
ABSTRACT: In this article is detailed reviewed cubic splines with least-squares method and it is proposed a strategy for the interpolating spline obtained to have a conditioned curvature. The control of...
Open Access Article
(k, g)-Fractional Integral Hermite-Hadamard Type Inequalities Involving Convex and Symmetric Functions
by Majid K. Neamah, Alawiah Ibrahim, Tariq A. Aljaaidi, Mohammed S. S. Abdo
ABSTRACT: This paper examines the importance of generalised ( k , g ) fractional integral operators within the framework of mathematical inequalities. We introduce innovative generalised fractional...
Open Access Article
Moore-Penrose Pseudo-Inverse Applied to the Decoding of 5G and Beyond (B5G) Communication Systems
by Sergio Vidal-Beltrán, Jose Luis López-Bonilla, Jesús Yalja Montiel-Pérez, Grethell Georgina Pérez-Sánchez
ABSTRACT: This work uses the Moore-Penrose pseudo-inverse (PINV) properties to improve the decoding of signals in the uplink channel of a 5th-Generation mobile communication technology (5G) and Beyond (B5G)...
Open Access Article
Correlation Coefficient of Interval-Valued Fuzzy Sets with Interval-Valued Reference Functions and Applications in Medical Diagnosis and Selecting Appropriate Mediciness
by Fokrul Alom Mazarbhuiya, M. Shenify, Janet Kez, A. S. Wungreiphi, Paul Rupa
ABSTRACT: Fuzzy set theory (FST) has become a dominant model to deal with imprecision, uncertainty, vagueness, and ambiguity arising from many real-world applications. There are a couple of extensions and...
Open Access Article
On Topological Structures on Γ-BCK-Algebras
by I. Ibedou, J. I Baek, D. L. Shi, M. Cheong, K. Hur
ABSTRACT: In this paper, we first study topological structures on Γ- BCK -algebras and obtain some of its properties. Next, we introduce the notion of quotient Γ- BCK -algebra by ideals and investigate some...
Open Access Article
Modeling and Position Control of a Marine Vehicle with Omnidirectional Configuration
by Luis F. López-Cortés, Yair Lozano-Hernández, Lizeth Torres, Victor G. Sánchez-Meza, Erick Velazquez-Lozada
ABSTRACT: One of the main means of monitoring aquatic bodies are buoys, most of which are fixed, so they are not flexible enough to perform tasks such as: cleaning; rescue; exploration and surveillance....
Open Access Article
Cut-Free Sequent Calculus for Multi-Agent Logic of Common Knowledge
by Romas Alonderis, Haroldas Giedra
ABSTRACT: Cut-free sequent calculi are handy tools for backward proof-search of logical formulas or sequents. In the present paper, we introduce a Gentzen-type sequent calculus for the logic of common...
Open Access Article
Perturbation of Solitary Waves and Shock Waves with Surface Tension
by Lakhveer Kaur, Yakup Yildirim, Abdullahi Rashid Adem, Luminita Moraru, Anjan Biswas
ABSTRACT: This manuscript is designed with an extensive aim to investigate solitary waves in shallow water with surface tension. The governing model is the perturbed sixth-order Boussinesq equation, which...
Open Access Article
Bifurcation Analysis and Quenching Chaos in Brushless DC Motor Based on Dither Signals
by Shun-Chang Chang
ABSTRACT: This study investigates bifurcation and chaos dynamics in brushless direct current (DC) motor (BLDCM) through analyses of time response, Poincare' maps and frequency spectra. A chaos suppression...
Open Access Article
Optical Solitons with Dispersive Concatenation Model Having Fractional Temporal Evolution
by Ahmed H. Arnous, Muhammad Amin S. Murad, Anjan Biswas, Yakup Yildirim, Luminita Moraru
ABSTRACT: This paper adopts the direct algebraic method to recover and enlist a full spectrum of optical 1-soliton solutions for the dispersive concatenation model that comes with Kerr law of nonlinear...
Open Access Article
Computing the Edge Metric Dimension of the Line Graph of the Molecular Graphs of Some Classes of Antiviral Drugs, with Focus on Mpox Treatments
by Lyimo Sygbert Mhagama, Mohamad Nazri Husin, Muhammad Faisal Nadeem, Waqar Ali
ABSTRACT: The study of viral infections, particularly those caused by monkeypox (Mpox), is crucial due to its significant public health impact and awareness. Graph theory, which is instrumental in...
Open Access Article
Cnoidal Waves, Solitary Waves, Shock Waves and Conservation Laws of the Generalized Cubic Boussinesq-Type Model for Shallow Water Wave Dynamics
by Anjan Biswas, Ming-Yue Wang, Abdul H. Kara, Yakup Yildirim, Luminita Moraru, Carmelia M. Balanica, Layth Hussein, Anwar Ja’far Mohamad Jawad
ABSTRACT: The paper addresses the latest form of Boussinesq equation with generalized form of cubic nonlinearity. The solitary waves are recovered from the model using traveling wave hypothesis. The...
Open Access Article
Signature Transform Application in Time Series Analysis: An Introduction to Classification and Reconstruction Problems
by Biagio Paparella, Francesco Grimaccia
ABSTRACT: The goal of this paper is to analyze comprehensively how the Signature Transform can be used for the classification of time series. Data preprocessed with the signature transform can...
Open Access Article
Some Properties of Analytic Functions Associated with Erdély-Kober Integral Operator
by Niranjan Hari, Chandrasekaran Nataraj, P. Thirupathi Reddy; S. Sathish Kumar
ABSTRACT: The target of this paper is to discuss a new subclass of schlicht mappings with negative coefficients correlated to Erdely-Kober Integral Operator in the unit disk U = {w ∈ C : |w| < 1}....
Open Access Article
Markov Modelling of Small Cell Base Station Sleep Strategies with Disaster and Repairable Server
by Narmadha Venkatesan, Rajendran Paramasivam
ABSTRACT: A network of Base Station (BS) is required in order to function mobile phones and other mobile devices. A large number of BSs will be deployed in advanced networks namely Long-Term Evolution...
Open Access Article
El-Zaki Transform Method for Solving Applications of Some Integral Differential Equations
by Abeer M. Al-Bugami, Nuha Alharbi, Amr Mahdy
ABSTRACT: Integral equations have close contact with many different science and engineering problems, such as contact problems in the theory of elasticity, potential theory, fluid mechanics, quantum...
Open Access Article
Discrete Prediction of Grain Evolution in Solid-State Welding of Ti6Al4- V Alloy
by Johana Gamez, David Briones, Carlos Garza, Yadira Gonzalez, Maria Nañez, Patricia Zambrano Robledo, Luis A. Reyes
ABSTRACT: Titanium (Ti) alloys, known for their high strength and low weight, are essential in aircraft and aerospace applications. This study focuses on friction spot welding as an innovative, efficient...
Open Access Article
Quantum Public-Key Cryptosystem Using Orthogonal Product States with High Channel Capacity
by Xiaoyu Li, Yilin Chen
ABSTRACT: A public-key cryptosystem using orthogonal product states is presented. It is based on the non-locality of some orthogonal product states in an untangled two-particle quantum system. Every user...
Open Access Article
Initial Growth Rate and Model Performance for COVID-19 in Nigeria
by Braimah Joseph Odunayo, Edike Nnamdi, Fabio Mathias Correa
ABSTRACT: While numerous statistical models have been used to analyze the spread of COVID-19 in Nigeria, focusing on factors such as active cases and deaths, there is a gap in understanding the impact of...
Open Access Article
Quiescent Optical Soliton Perturbation for Fokas-Lenells Equation with Nonlinear Chromatic Dispersion and Generalized Quadratic-Cubic Form of Self-Phase Modulation Structure
by Ahmed M. Elsherbeny, Muhammad Amin S. Murad, Ahmed H. Arnous, Anjan Biswas, Luminita Moraru, Yakup Yildirim
ABSTRACT: This paper retrieves perturbed quiescent optical solitons for the Fokas-Lenells equation that is considered with generalized quadratic-cubic form of self-phase modulation and nonlinear chromatic...
Open Access Article
The Stability of Periodic Orbits for Kawahara Equation
by Mohammad Reza Rahmati, L. A. Rodríguez-Morales
ABSTRACT: In the presented work, we investigate the Kawahara equation, a non-integrable partial differential equation that generalizes the classical Korteweg-de Vries (KdV) equation by including a...
Open Access Article
Novel Group Acceptance Sampling Plan for Modified Power Exponential Distribution with Application to Quality and Reliability Analysis
by Sidra Naz, Muhammad Ameeq, M. H. Tahir, Muhammad Muneeb Hassan, Laraib Fatima, Basem A. Alkhaleel
ABSTRACT: This study introduces a group acceptance sampling plan (GASP) utilizing a truncated life test in which the lifespan of an object follows a modified power exponential distribution. The median is...
Open Access Article
Computing the Neighbourhood Multiple Topological Indices of Dendritic Graphs
by Tumiso Kekana, Kazeem Olalekan Aremu, Maggie Aphane
ABSTRACT: In this article, we extend the traditional multiple degree-based topological indices (TIs) to neighborhood multiple degree-based TIs with the aim of studying the branching and generation of three...
Open Access Article
Mathematical Analysis of Non-Autonomous HIV/AIDS Transmission Dynamics with Efficient and Cost-Effective Intervention Strategies
by Samson Olaniyi, Juliana O. Olayiwola, Olawale S. Obabiyi, Ramoshweu S. Lebelo, Sulaimon F. Abimbade
ABSTRACT: This study focuses on the analysis of a controlled dynamical system for the time evolution of Human Immunodeficiency Virus/Acquired Immunodeficiency Syndrome (HIV/AIDS) incorporating vertical...
Open Access Article
Boosted Whittaker-Henderson Graduation of Order 1: A Graph Spectral Filter Using Discrete Cosine Transform
by Ruoyi Bao, Hiroshi Yamada
ABSTRACT: The Whittaker-Henderson (WH) graduation of order 1 is a smoothing/filtering method for equally spaced one-dimensional data. Inspired by Phillips and Shi, this paper introduces the boosted version...
Open Access Article
Exploring the Insurance-Growth Nexus: Life vs. Non-Life Insurance in Saudi Arabia
by Emtinan Alsuhaibani, Ramzi Drissi, Mohamed Zahran
ABSTRACT: This paper explores the relationship between insurance and economic growth in Saudi Arabia from 1992 to 2022, focusing on the distinct impacts of life and non-life insurance sectors. Using a...
Open Access Article
Improved Passive Synchronization for Complex Dynamical Networks with Randomly Occurring Distributed Coupling Time-Varying Delays via State Feedback Control
by R. Sugumar, D. Ajay
ABSTRACT: The improved synchronization of complex dynamical networks under passivity performance is the main topic of this paper. To distinguish between simple and complex dynamics in real-world scenarios,...
Open Access Article
Fermatean Neutrosophic Soft Structure and its Ideals in Hyper BCK-Algebras
by M. Kaviyarasu, Mohammed Alqahtani, M. Rajeshwari, Kholood Alnefai
ABSTRACT: The goal of this paper is to investigate the use of fermatean neutrosophic soft sets (FNSSs) in the context of hyper BCK-algebras. While examining their characteristics and connections, it...
Open Access Article
Optical Solitons with the Concatenation Model Having Fractional Temporal Evolution with Depleted Self-Phase Modulation
by Hanaa A. Eldidamony, Muhammad Amin S. Murad, Ahmed H. Arnous, Yakup Yildirim, Anjan Biswas, Luminita Moraru
ABSTRACT: This paper investigates the recovery of optical soliton solutions for the concatenation model, incorporating fractional temporal evolution while excluding self-phase modulation effects. To achieve...
Open Access Article
A Spectral Collocation Approach for Time-Fractional Korteweg-de Vries-Burgers Equation via First-Kind Chebyshev Polynomials
by Y. H. Youssri, Laila A. Alnaser, A. G. Atta
ABSTRACT: The time-fractional Korteweg-de Vries-Burgers (TFKdVB) problem is solved numerically in this study. The approach makes use of the shifted first-kind Chebyshev polynomials (SFKCPs) collocation...
Open Access Article
Grüss-Type Inequalities Involving Bounds Constant via Analytic Kernel Fractional Integral
by Majid K. Neamah, Alawiah Ibrahim, Tariq A. Aljaaidi, Mohammed S. Abdo
ABSTRACT: The primary aim of this study is to derive a generalization of certain Grüss-type inequalities under constant constraints via a generalized Analytical kernel Riemann-Liouville fractional integral....
Open Access Article
Some New Fractional Interval-Valued Inequalities for Set-Valued H(α, 1 − α)-Godunova-Levin Mappings with Applications
by Waqar Afzal, Mujahid Abbas, Jorge E. Macías-Díaz, Armando Gallegos
ABSTRACT: Convex integral inequalities are an area of substantial interest in mathematical analysis because of their applications to a variety of fields such as optimization, probability theory, and...
Open Access Article
Some Notes on Generalized P-Derivations with Ideals in Factor Rings
by Ali Yahya Hummdi, Radwan M. Al-omary, Zakia Z. Al-Amery
ABSTRACT: The main goal of this article is to delve deeper into the discussion of the commutativity of a factor ring R / P by analyzing certain differential identities that involve generalized P...
Open Access Article
The Hybrid and Interaction Solutions with Resonance Y-Type Solitons for the (2 + 1)-Dimensional KdV Equation
by Yanfeng Guo, Ling Wan, Teng-Fei Zhang
ABSTRACT: The hybrid solutions and interaction solutions with resonance Y -type solitons are mainly investigated for the (2 + 1)-dimensional Korteweg-de Vries (KdV) equation, concerning lumps, resonance Y...
Open Access Article
Common Fixed Point Theorems for Generalized Contractions in Ordered M-Metric Spaces
by Nawab Hussain, Alofi Abdulaziz , Osama Alhindi
ABSTRACT: This paper seeks to investigate and derive fixed point and common fixed point results for almost generalized contractive mappings and Reich contractions within the framework of partially ordered...
Open Access Article
Minimum Overlap Difference in Dual Masting of GSM Network Design
by Francois Mahama, Elvis Kobina Donkoh, Kwame Annin, Shaibu Osman, Dominic Otoo, Issah Mohammed, Joseph Ackora-Prah
ABSTRACT: Generally, cell radio systems are enormous scale engineering designs and consist of various technical entities. They represent significant financial investments and hence there is the need for...
Open Access Article
Application of Neutrosophic Case-Based Reasoning and Neutrosophic Best-Worst Method for Product Cost Estimation
by Fentahun Moges Kasie, Glen Bright
ABSTRACT: The problem of product cost estimation is one of the crucial issues in contemporary manufacturing systems when new products arrive as customer orders. Product cost estimation determines the...
Open Access Article
Digital Image Watermarking for Image Integrity Verification and Tamper Correction
by Anantha Rao Gottimukkala, Anita Pradhan, Naween Kumar, Ashok Kumar Pradhan, Ranjan K. Senapati, Gandharba Swain
ABSTRACT: Images transmitted through internet can be easily tampered by the available image editing tools. This article proposes a Hamming code based watermarking approach for tamper localization and...
Open Access Article
On the Maximum Number of Connected Induced Subgraphs of a Graph
by Audace A.V. Dossou-Olory
ABSTRACT: We characterize the structure of graphs of a given order that maximize the number of connected induced subgraphs across seven different graph classes, each with specific parameters such as minimum...
Open Access Article
Prey and Predators in Mathematical Model Under Caputo Fractional Derivative
by Mohamed Ahmed Abdallah, Khaled Abdalla Ishag
ABSTRACT: The main concentration of ours as writers of this paper is finding the relation between two predators and one prey in a fractional mathematical model governed by Caputo fractional derivative...
Open Access Article
Quiescent Optical Solitons for the Concatenation Model Having Nonlinear Chromatic Dispersion and Kerr Law of Self-Phase Modulation
by Manar S. Ahmed, Ahmed M. Elsherbeny, Muhammad Amin S. Murad, Ahmed H. Arnous, Anjan Biswas, Yakup Yildirim, Luminita Moraru, Catalina Iticescu, Anwar Ja’far Mohamad Jawad, Layth Hussein
ABSTRACT: This paper focuses on the retrieval of quiescent optical solitons within the framework of the concatenation model, incorporating nonlinear chromatic dispersion and the Kerr law of self-phase...
Open Access Article
Enhancing Voltage Stability and Power Quality in Hybrid MPPT Algorithm Based SPV-Wind Hybrid Microgrid System Tied Utility Grid Integrating Modified STATCOM
by Nibedita Ghosh, Asha Rani M. A., Rahul Kumar
ABSTRACT: Voltage sags can lead to equipment malfunction, decreased performance, and operational disruptions. They are typically caused by short circuits, motor start-ups, or sudden load increases,...
Open Access Article
Structure of Algebras Satisfying an ω-Polynomial Identity of Degree Six
by Hamed Ouedraogo, Daouda Kabré, Abdoulaye Dembega, André Conseibo
ABSTRACT: This paper is devoted to the study of a class of commutative non-associative algebras characterized by the identity: where α ∈ [0 , 1]. In this study, we strongly use the Peirce...
Open Access Article
A New Higher-Order Scheme for Multiple Roots with Unknown Multiplicity
by Lama Alhaj Mohammad, Ishak Hashim, Faieza Samat
ABSTRACT: In this work, we propose a new efficient iterative method to find multiple roots of nonlinear equations with unknown multiplicity n . The new scheme is free from the second derivative and...
Open Access Article
Efficient Training Scheme for Neural Network Based 4K-QAM Soft Demapper
by Donlaporn Triamwichanon, Patinya Muangkammuen, Kidsanapong Puntsri, Virasit Imtawil, Puripong Suthisopapan
ABSTRACT: The practicality of the densely packed and spectrally efficient 4096-Quadrature Amplitude Modulation (4K-QAM) is obstructed by the ultra-high computational complexity of its soft demapper, which...
Open Access Article
On Laplace Equation Solution in Orthogonal Similar Oblate Spheroidal Coordinates
by Pavel Strunz
ABSTRACT: Orthogonal coordinate systems enable expressing the boundary conditions of differential equations in accord with the physical boundaries of the problem. It can significantly simplify calculations....
Open Access Article
Finding Negative Associations from Medical Data Streams Based on Frequent and Regular Patterns
by Sastry Kodanda Rama Jammalamadaka, Raja Rao Budaraju
ABSTRACT: Medical data flows in streams as the data related to clinical tests and administered drugs by the doctors flows continuously. The doctors must be immediately alerted if negative associations are...
Open Access Article
Improving Model Fitting for Applicable Medical Data: A Novel Exponentiated Transformation of BURR XII
by Ali Algarni
ABSTRACT: This paper presents a novel extension of the Exponentiated Transformation of the BURR XII (ETBXII) distribution. In this paper, we explore the need for improved model fitting to applicable data...
Open Access Article
Interval Boundary Correction for Interval Linear Program
by Kanokwan Burimas, Artur Gorka, Phantipa Thipwiwatpotjana
ABSTRACT: An interval linear programming problem is a bounded problem when all of its deterministic problems are bounded. However, if the best deterministic problem is unbounded or the worst deterministic...
Open Access Article
An ASCII Value Based Data Encryption Using Coloring Tripartite Graph
by Gomathi D, Sivakumar Nagarajan
ABSTRACT: In current network systems, cryptography plays a vital role in ensuring a secure data transfer. Robust encryption is essential to safeguard data during transmission, making it a top priority....
Open Access Article
Novel Approaches to Positive Solutions for Fractional Nonlinear Boundary Value Problems
by M. Sharmila, S. Indrakala
ABSTRACT: This study explores a fractional boundary value problem based on Riemann-Liouville derivatives and integrals. New results are derived to begin the necessary and adequate circumstances for the...
Open Access Article
Decision-Making in the Age of AI: A Review of Theoretical Frameworks, Computational Tools, and Human-Machine Collaboration
by Jian Wei, Sun Qi, Wanjiang Wang, Liuyan Jiang, Huihui Gao, Feng Zhao, Khalil Al-Bukhaiti, Anping Wan
ABSTRACT: Decision-making, a critical process across all disciplines, is undergoing significant transformation with the integration of advanced computational techniques. This review examines the evolution...
Open Access Article
Integration of Fuzzy Techniques and Formal Representation of Domain and Expert Knowledge in AI Systems: A Comprehensive Review
by Arturo Peralta, José A. Olivas, Francisco P. Romero, Pedro Navarro-Illana
ABSTRACT: The integration of domain and expert knowledge into AI systems represents a critical advancement, with profound implications for solving complex, multidisciplinary challenges. The formal...
Open Access Article
Global Existence of Smooth Solutions to the Incompressible 2D Navier-Stokes-Landau-Lifshitz Equations with the Dzyaloshinskii-Moriya Interaction and V-Flow Term
by Guangwu Wang, Hui Yang, Jun Zhang
ABSTRACT: The paper focuses on the incompressible Navier-Stokes equations coupled with the Landau-Lifshitz-Gilbert equations, incorporating the Dzyaloshinskii-Moriya (DM) interaction and a V-flow term,...
Open Access Article
Generalized Geometric Analysis of Blood Vessel Subdivisions and Fluid Mechanics
by Kuan-Wei Chen, Chun-Hung Chen, Yu-Fan Chen
ABSTRACT: This study proposes simplified geometric analyses of the subdivisions of blood vessels and extends the fluid-mechanical analysis to derive generalized equilibrium solutions. Departing from the...