Contemporary Mathematics

ISSN: 2705-1064 (Print) 2705-1056 (Online) Description

Contemporary 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.

Impact Factor (2024)   2.5   

CiteScore (2024)   0.9

Latest Articles

Open Access Article

The Approximate Numerical Solutions to First Order Non-Linear Differential Equations and Their Connections to the Orthogonal Double Cover in Graph Theory

by Amany Saad, A. Elrokh, M. Mubarak, S. Nada

ABSTRACT: The main objective of this study is to make a linkage between Bernoulli's differential equations and graph theory using simple technique. Firstly, we transform an Orthogonal Double Cover (briefly,...

Open Access Article

A Characterization of Backward Bounded Solutions

by Minkyu Kwak, Jihoon Lee, Bataa Lkhagvasuren

ABSTRACT: We prove that the collection M − ∞ of backward bounded solutions for a semilinear evolution equation is the graph of an upper hemicontinuous set-valued function from the low Fourier modes to...

Open Access Article

Directed Transport of a Short Polymer Chain on a Temperature-Dependent Ratchet Potential

by Mesfin Asfaw Taye

ABSTRACT: We investigate the transport properties of a single flexible polymer chain moving along a periodic ratchet potential modulated by a spatially varying temperature. At steady state, the polymer...

Open Access Article

Entropy Production and Thermodynamic Dynamics in Active and Passive Brownian Systems Driven by Time-Dependent Forces and Temperatures

by Mesfin Asfaw Taye

ABSTRACT: In this work, we examine the impact of time-varying temperature and force on the thermodynamic features of active Brownian motor that moves with velocity v 0 against the force as well as passive...

Open Access Article

Heterogeneous Belief Asset Pricing from the Perspective of Behavioural Finance: A Partial Differential Game Model with Interaction Terms

by Liying Li, Shengqun Zhao, Lixia Niu

ABSTRACT: Asset pricing models have played an important role in the development of modern financial theory. From the Capital Asset Pricing Model (CAPM) to the Arbitrage Pricing Theory (APT), these classical...

Open Access Article

Independent Resolving Number of Various Graph

by Yasser M. Hausawi

ABSTRACT: This paper investigates the independence number of various graph classes. The independence number of a graph G , denoted by α(G) , is the size of the largest subset of vertices in G such that...

Open Access Article

Detailed Derivation of the Scalar Explicit Expressions Governing the Electric Field, Current Density, and Volumetric Power Density in the Four Types of Linear Divergent MHD Channels Under a Unidirectional Applied Magnetic Field

by Osama A. Marzouk

ABSTRACT: The current study belongs to the field of applied mathematics in plasma physics and electric power, where mathematical analysis of the algebraic equations governing the electric field vector, and...

Open Access Article

Research on Pricing and Battery Performance Enhancement Decisions of the New Energy Vehicle Supply Chain Under Different Subsidy Strategies

by Yongjian Wang, Zhichao Wang, Zhanjie Wang, Qiang Chen

ABSTRACT: Consumers' increasing concern about the battery performance of New Energy Vehicles (NEVs) necessitates effective government subsidies to enhance corresponding investments and  production. A...

Open Access Article

Mathematical Modelling of Latent Variables of Students' Performance of Public Engineering Universities in Mathematics Using Machine Learning

by Ali Asghar, Syed Feroz Shah, Asif Ali Shaikh, Waqar Sethar, Muhammad Tariq

ABSTRACT: This research paper provides a mathematical modelling and analysis for students’ performance in mathematics in public engineering universities of Sindh Pakistan. The research distinguishes and...

Open Access Article

A Framework for Bounded Rationality and Limited Resource Sensing for Optimized Decision Making in Artificial Intelligence

by Rashid Ayub, Prasadu Peddi, Sara Khan, Annayath Maqbool, Noorzaman Khan, Haseeb A. Khan

ABSTRACT: Bounded rationality acknowledges the constraints on an agent's cognitive resources and information availability, diverging from the notion of perfect rationality. Bounded Rationality in Artificial...

Open Access Article

Optimising 2SAT Problem Resolution Through Metaheuristic-Driven Hybrid Models of Fuzzy Logic and Hopfield Neural Networks

by Salaudeen Abdulwaheed Adebayo, Saratha Sathasivam

ABSTRACT: This study addresses the limitations of traditional Boolean-based methods for solving 2SAT problems, which mainly classify variables as true or false and struggle with imprecise information and...

Open Access Article

Prioritization of Geothermal Energy Systems for Industrial Applications by Using Hesitant Bipolar Fuzzy Multi-Criteria Decision-Making Technique Based on Dombi Operators

by Hafiz Muhammad Waqas, Tahir Mahmood, Dragan Pamucar, Ahmad Idrees

ABSTRACT: The proposed research fills a significant gap in the decision-making technique for evaluating geothermal energy systems in industrial processes by introducing a new approach involving Hesitant...

Open Access Article

Quiescent Optical Solitons for Radhakrishnan-Kundu-Lakshmanan Equation with Linear Temporal Evolution

by Şebnem Gökdeniz Sıvakcı, Yakup Yildirim, Aydın Seçer, Anjan Biswas

ABSTRACT: This study explores novel quiescent optical soliton solutions to the Radhakrishnan-Kundu-Lakshmanan (RKL)equation, a significant model in nonlinear optics. Utilizing three distinct analytical...

Open Access Article

The Weak Irreducibility Markov Chains

by Ren Zhang, Shiling Zhao, Xia Wang, Kaijun Leng

ABSTRACT: Irreducibility serves as the foundational concept in the theoretical study of Markov chains. This paper introduces a generalized notion termed weak irreducibility and investigates its stochastic...

Open Access Article

Maximal Product and Residue Product on Bipolar Picture Fuzzy Graphs

by Maha Almousa, Fairouz Tchier, Alhanoof Alhomaidhi

ABSTRACT: Fuzzy Graphs (FGs) are very useful for modeling systems with uncertain relationships between elements, allowing degrees of membership between edges and vertices. They are used in fields like...

Open Access Article

Thermodynamic Features of a Heat Engine with an Exponentially Decreasing Temperature Profile

by Mesfin Asfaw Taye

ABSTRACT: In this study, we advance the understanding of nonequilibrium systems by deriving thermodynamic relations for a heat engine operating under an exponentially decreasing temperature profile. Such...

Open Access Article

Fuzzy Covariance Control for Interval Type-2 Fuzzy Stochastic Systems with Individual State Variance Constraints

by Yann-Horng Lin, Yi-Chen Lee, Wen-Jer Chang, Li Li, Szu-Wei Lee

ABSTRACT: A fuzzy covariance control strategy is proposed for a class of uncertain nonlinear stochastic systems by means of the Interval Type-2 (IT2) Takagi-Sugeno Fuzzy Stochastic Model (TSFSM). By...

Open Access Article

Distributed Iterative Learning Impedance Control for a Team of Robot Manipulators with Varying Trial Lengths

by Wenli Zhang, Dongdong Yue, Chuang Chen, Jiantao Shi

ABSTRACT: This article presents a distributed iterative learning impedance control algorithm for a team of robot manipulators with varying trial lengths. This approach enables each manipulator to achieve...

Open Access Article

Advanced Generalizations of Convex Function Inequalities: Implications for High-Order Divergence and Entropy Estimation in Information Theory

by Memoona Mukhtar, Tasadduq Niaz, Waseem Abbasi, Wadood Abdul, Khursheed Aurangzeb, Muhammad Shahid Anwar

ABSTRACT: The inequalities involving convex function have many applications in analysis and in recent years it has helped in estimating many entropies and divergences that are used in information theory. In...

Open Access Article

Sandwich Weighted Composition Operators Between Weighted Bloch Spaces

by Bhanu Sharma, Vivek Kumar, Mehak Sharma

ABSTRACT: In this paper, we integrate two foundational operators: a weighted composition operator, denoted by W φ , ψ and two differentiation operators to construct a sandwich weighted composition...

Open Access Article

Nonconforming Finite Elements and Multigrid Methods for Maxwell Eigenvalue Problem

by Xuerong Zhong, Meifang Yang, Jintao Cui

ABSTRACT: The Maxwell eigenvalue problem refers to the task of solving the Maxwell equations under specific boundary conditions. In this paper, we primarily discuss nonconforming finite elements and...

Open Access Article

Generalized Ridge Estimators in High-Dimensional Generalized Linear Models

by Jianglin Fang, Cunyun Nie

ABSTRACT: The paper presents a generalized ridge approach for high dimensional generalized linear models where dimensionality exceeds sample size. When the vector of covariate coefficient paraters β is...

Open Access Article

Research on Capability Evaluation and Key Node Identification Method of Combat System

by Jiangpeng Wang, Ping Yang, Panpan Yan

ABSTRACT: The assessment of combat system capabilities and the identification of critical nodes are focal points in the research of combat systems. This paper investigates the issue of identifying critical...

Open Access Article

Verifying and Weighting Factors using Fuzzy Delphi Method Approach in The Construction of Public Perception Index (PPI) on River Quality

by Puspa Liza Ghazali, Aze Fauziah Suib, Siti Nadhirah Mohamad Fauzi, Eni Noreni Mohamad Zain, Roslida Abdul Razak, Juliana Ariffin, Nurul Syazwani Mohd Noor, Farah Amalina Md Nawi, Nik Hazimi Mohammed Foziah

ABSTRACT: Water pollution remains a critical concern for Malaysian rivers, particularly due to increasing urbanization, industrial activities, and climate change. These factors have significantly degraded...

Open Access Article

Smart Air Pollution Predictor for Smart Cities

by Fokrul Alom Mazarbhuiya, Vijo Arul Selvi M, Mohamed A. Shenify

ABSTRACT: Air pollution remains a critical threat to human health, leading to respiratory issues and fatalities worldwide. With industrialization and urbanization on the rise, monitoring and predicting Air...