Contemporary Mathematics

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

Contemporary Mathematics is a quarterly 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, etc.

CiteScore (2022)    Impact Factor     5 Year Impact Factor
        0.7                          0.3                           0.4

Latest Articles

Open Access Article

Simulink Methods to Simulate COVID-19 Outbreak Using Fractional Order Models

by Srilekha R, Parthiban V

ABSTRACT: The objective of this work is to solve a coronavirus transmission model using Simulink, a platform for model-based design that facilitates simulation and design at the system level. The simulation...

Open Access Article

Conjugacy Class Graph of Some Non-Abelian Groups

by Chinmayee Kumar, Kuntala Patra

ABSTRACT: The conjugacy class graph of a group G is a graph whose vertices are the non-central conjugacy classes of G and two vertices are adjacent if their cardinalities are not co-prime. In this...

Open Access Article

Reliability Evaluation of a Wireless Sensor Network in Terms of Network Delay and Transmission Probability for IoT Applications

by Pranati Mishra, Ranjan Kumar Dash, Deeapak Kumar Panda, Ashish, Bechoo Lal, Nukala Sujata Gupta

ABSTRACT: Reliability is a crucial performance metric for wireless sensor networks (WSNs) because it ensures network functionality even with degraded sensor nodes and wireless connections. Due to the...

Open Access Article

A Novel Approach for Energy-Efficient Container Migration by Using Gradient Descent Namib Beetle Optimization

by Rukmini Satyanarayan

ABSTRACT: Cloud services are increasingly available through containers due to their scalability, portability, and reliable deployment, particularly in microservices and smart vehicles. The scheduler...

Open Access Article

An Algorithm for Solving Pseudomonotone Variational Inequality Problems in CAT(0) Spaces

by Asifa Tassaddiq, Amna Kalsoom, Asifa Batool, Dalal Khalid Almutairi, Sehar Afsheen

ABSTRACT: In this paper, we presents strong and ∆-convergence results within the framework of CAT(0) space for pseudomonotone mappings. Additionally, we approximate the solution for variational inequality...

Open Access Article

An Application of the Caputo Fractional Domain in the Analysis of a COVID-19 Mathematical Model

by Chandrali Baishya, Sindhu J. Achar, P. Veeresha

ABSTRACT: Vaccination programs aimed at preventing the spread of the coronavirus appear to have a significant global impact. In this research, we have investigated a mathematical model projecting COVID-19...

Open Access Article

An EOQ Model Under the Condition of Permissible Delay in Payments with Allowed Stock-Out Cost and Lead Time

by Jayanthi J

ABSTRACT: From this present study, derive the two consecutive demands between the time intervals: economic order quantity and total annual variable cost. The solution for this inventory model is optimizing...

Open Access Article

Two Indicators of Cross-Correlation for the Functions from Zqn to Z2q

by Deep Singh, Harsh Mishra, Vitsoto Luho, Amit Paul

ABSTRACT: Boolean functions play an important role in the design of secure cryptosystems and code division multiple access (CDMA) communication. Several possible generalizations of Boolean functions have...

Open Access Article

Numerical Investigation of Fractional Kawahara Equation via Haar Scale Wavelet Method

by Ratesh Kumar, Jaya Gupta

ABSTRACT: The Kawahara equation is a fifth-order dispersive equation that plays a significant role in explaining the creation of non-linear water waves in the long-wavelength region. In this research, the...

Open Access Article

Analysis of a Single Server Retrial Queueing System with Finite Capacity, F-Policy, Balking, Reneging and Server Maintenance

by R. Jeyachandhiran, P. Rajendran

ABSTRACT: In this paper, we determine a single server retrial queuing system with finite capacity, F-policy, balking, reneging and server maintenance. The arriving customer when notices the server becomes...

Open Access Article

Dynamic System State Estimation with a Resilience to Observation Data Anomalies

by Andrii Volovyk, Yulia Pyrih, Oksana Urikova, Andriy Masiuk, Bohdan Shubyn, Taras Maksymyuk

ABSTRACT: In practical situations, sudden changes in an object's dynamic properties can cause data distortion and random inaccuracies in observation results. These changes often occur due to malfunctions or...

Open Access Article

Stochastic Perturbation of Optical Solitons for the Concatenation Model with Power-Law of Self-Phase Modulation Having Multiplicative White Noise

by Ahmed H. Arnous, Anjan Biswas, Yakup Yildirim, Ali Saleh Alshomrani

ABSTRACT: Addressing the concatenation model, this paper explores the incorporation of power-law self-phase modulation and spatio-temporal dispersion, in addition to the chromatic dispersion. The inclusion...

Open Access Article

A Robust Numerical Method for a Singularly Perturbed Semilinear Problem with Integral Boundary Conditions

by Zelal Temel, Musa Cakir

ABSTRACT: In the present study, we provide an efficient numerical approach for solving singularly perturbed nonlinear ordinary differential equations with two integral boundary conditions. We specifically...

Open Access Article

Modeling and Analysis of Fractional Order Logistic Equation Incorporating Additive Allee Effect

by Preety Kalra, Nisha Malhotra

ABSTRACT: This study investigates the logistic model of a single species incorporating the additive Allee effect using Caputo fractional order differential equations. The Allee effect describes a positive...

Open Access Article

On Testing of Fuzzy Hypothesis for Mean and Variance Using Centroid-Based New Distance Function Under Symmetric Fuzzy Environment

by A Hari Ganesh, N Jaimaruthi, R Ramesh, M Seenivasan

ABSTRACT: This paper discusses the problem of testing fuzzy and statistical hypotheses of the observed data are from a symmetric fuzzy environment. In this approach, many fuzzy tests statistics are obtained...

Open Access Article

Feasibility and Stability Analysis for Basic Measles Model Using Fuzzy Parameter

by H. A. Bhavithra, S. Sindu Devi

ABSTRACT: In this article, we investigate the behaviors of the measles viral pandemic using fuzzy susceptible-infectiousrecovered (SIR) model. To examine the effects of various compartment phases, we...

Open Access Article

A Study of Some Problems on the Dirichlet Characters (mod q)

by Ali H. Hakami

ABSTRACT: Consider q to be an integer, and χ to be a Dirichlet character (mod q ). The main purpose of this paper is using the analytic methods to study some problems related to the Dirichlet character...

Open Access Article

Face Bimagic Mean Labeling of Herschel Graphs and Its Operations

by S. Vani Shree, S. Dhanalakshmi

ABSTRACT: A bijection ϕ : V ( G )→{1,2, . . . , | V ( G )|} is called a (1,0,0)-F-face bimagic mean labeling (FBMML) of G if the induced face labeling ϕ *( f i ) = = = k 1 or k 2 , constant....

Open Access Article

Synergistic Optimization of Unit Commitment Using PSO and Random Search

by Rajasekhar Vatambeti, P. K. Dhal

ABSTRACT: Optimizing the order of thermal units for power generation plays a pivotal role in meeting load demand while minimizing fuel consumption. This paper introduces an enhanced hybrid method designed...

Open Access Article

Fuzzy SEIR Modeling and Analysis of COVID-19 Spread and Control

by S. Sweatha, S. Sindu Devi

ABSTRACT: The main objective of the paper is to construct an SEIR mathematical model by considering the transmission rate, death rate and recovery rate as fuzzy parameters since we assumed heterogeneity in...

Open Access Article

The Dynamic Behavior of Conjugate Multipliers on Some Reflexive Banach Spaces of Analytic Functions

by Zhen Rong

ABSTRACT: In this paper, we characterize the hypercyclic, mixing and chaotic conjugate multipliers on some reflexive spaces of analytic functions. Our results extend several well-known results in the...

Open Access Article

Fixed Point Iterations for Functional Equations and Split Feasibility Problems in CAT(0) Spaces

by Latif Ur Rahman, Muhammad Arshad, Hasanen A. Hammad, Manuel De la Sen

ABSTRACT: Among other things, finding solutions for functional as well as other types of problems (including differential and integral) by suggesting fixed-point procedures is a difficult task, especially...

Open Access Article

A New Inequality on Jain-Saraswat' s Divergence for S-Convex Functions

by Praphull Chhabra

ABSTRACT: In this article, a new inequality on Jain-Saraswat divergence measure is investigated for s -convex functions, which includes convex functions as a special case. Further, by using this...

Open Access Article

Novel Generalized Entropy Measure's Characteristics Associated with Code-Word Length

by Aakanksha Dwivedi , R. N. Saraswat

ABSTRACT: In this article, we introduce a novel, all-purpose entropy measure and derive a new, all-purpose average codeword length in accordance with it. After that, we determined new average generalized...

Open Access Article

On Some New Approach of Paranormed Spaces

by Reham A. Alahmadi

ABSTRACT: The object of this paper is to bring out the space r q B ( g , p ) of non-absolute patterns. Also, we will structure its completeness property. Also, the Köthe duals will be determined....

Open Access Article

Control Policy, Manageable Arrival Rates, and Reverse Balking in Mutually Dependent Queueing Model

by Antline Nisha B, Balaji R, Saradha M

ABSTRACT: A single server has a limited amount of storage and processing power dependent queueing model with examination of a control strategy, manageable rates of arrival and balking in reverse is examined...

Open Access Article

Simulation of Fractional Order 2D-Mathematical Model Using α-Fractional Differential Transform Method

by S. N. Thorat, K. P. Ghadle, R. A. Muneshwar

ABSTRACT: In this paper, we will introduce a well-known transformation technique, the modified α-fractional differential transform, to the differential equation of fractional order. We derive some new...

Open Access Article

A Study on Approximate Controllability of Ψ-Caputo Fractional Differential Equations with Impulsive Effects

by C. S. Varun Bose, R. Udhayakumar, V. Muthukumaran, S. Al-Omari

ABSTRACT: In this article, we studied the approximate controllability of Ψ-Caputo fractional differential systems. We prove the sufficient conditions for an abstract Cauchy problem invloving infinite delay,...

Open Access Article

Controllability of Hilfer Fractional Semilinear Integro-Differential Equation of Order α ∊ (0, 1), β ∊ [0, 1]

by Vidushi Tripathi, Sanjukta Das

ABSTRACT: In this paper, Hilfer fractional differential equation is studied. Firstly, we used Laplace transform and semigroup theory to find the mild solution of the system. Then exact controllability of...

Open Access Article

Extended Higher Order Iterative Method for Nonlinear Equations and its Convergence Analysis in Banach Spaces

by Gagan Deep, Ioannis K. Argyros, Gaurav Verma, Simardeep Kaur, Rajdeep Kaur, Samundra Regmi

ABSTRACT: In this article, a novel higher order iterative method for solving nonlinear equations is developed. The new iterative method obtained from fifth order Newton-Özban method attains eighth order of...

Open Access Article

The Generalized Odd Maxwell-Kumaraswamy Distribution: Its Properties and Applications

by Aliyu Ismail Ishaq, Uthumporn Panitanarak, Alfred Adewole Abiodun, Ahmad Abubakar Suleiman, Hanita Daud

ABSTRACT: This study introduces a novel family of continuous probability distributions using Alzaatreh‘s technique to explore the Generalized Odd Maxwell-Generated (GOM-G) distribution family. Within the...

Open Access Article

Solution of linear PDEs obtained using Laplace transform

by Hwajoon Kim

ABSTRACT: We would like to find the solution of PDEs obtained using Laplace transform. The solution of linear PDEs using Laplace transform has the advantage that an arbitrary constant is specifically...

Open Access Article

ML-Based Approach to Predict Carotid Arterial Blood Flow Dynamics

by T Raja Rani, Abdullah Al Shibli, Mohamed Siraj, Woshan Srimal, Nooh Zayid Suwaid Al Bakri, T S L Radhika

ABSTRACT: In the current study, a numerical model has been developed to simulate the blood flow characteristics in the human carotid artery. The data thus generated is analyzed to understand the blood flow...

Open Access Article

Numerical PDE-Based Pricing of Convertible Bonds Under Two-Factor Models

by Radha Krishn Coonjobeharry, Dhiren Kumar Behera, Nawdha Thakoor

ABSTRACT: Convertible bonds are popular financial instruments by which firms raise capital. Owing to the various features of such bonds, especially the early-exercise call, put, and conversion provisions,...

Open Access Article

Exact Solutions of Benjamin-Bona-Mahoney-Burgers Equation with Dual Power-Law Nonlinearity by Modified Exp-Function Method

by Manjeet Sharma, Rajesh Kumar Gupta

ABSTRACT: In this work, the Benjamin-Bona-Mahoney-Burgers equation has been examined, which includes the dual power-law nonlinearity and diffraction term. By using the modified exp-function method, the...

Open Access Article

Analysis of Radial Distribution Systems by Using Particle Swarm Optimization under Uncertain Conditions

by M. Naveen Babu, P. K. Dhal

ABSTRACT: Abstract: Losses in the network are one of the most important parts of a power distribution network, and work should be done to lower their value. The research used the Particle Swarm...

Open Access Article

The Study of Stability Analysis of Modified Leslie-Gower Herbivore Model with Allee Effect in Plants

by Pankaj Kumar, Rupali Verma

ABSTRACT: A modified Leslie-Gower plant-herbivore model is studied under the Allee effect. Holling-type II functional response is used to modify the model. Delay differential equations play an essential...

Open Access Article

Identity and Access Control Techniques for Enhanced Data Communication in Cloud

by Rashmi Dixit, K. Ravindranath

ABSTRACT: The preservation of sensitive data and prevention of unauthorized access are critical objectives in cloud computing environments, necessitating the implementation of robust security measures. The...

Open Access Article

Distribution State Estimation and Its Impact of Load Modeling

by M. Laskhmi Swarupa, V. Ganesh Kumar, K. Sree Latha, Manam Ravindra, B. Praveen Kumar

ABSTRACT: To maintain system security and other essential parameters like reliability and quality, continuous monitoring of the system is very important. Considering the distribution network, state...

Open Access Article

Fejér-Quadrature Collocation Algorithm for Solving Fractional Integro-Differential Equations via Fibonacci Polynomials

by Y. H. Youssri, A. G. Atta

ABSTRACT: In this article, we introduce a novel spectral algorithm utilizing Fibonacci polynomials to numerically solve both linear and nonlinear integro-differential equations with fractional-order...

Open Access Article

Developing an Effcient Framework and Mathematical Modelling for Municipal Solid Waste Management in India

by Arunava Majumder, Avinandan Puhan, Abhijit Majumder, Gurpreet Kaur, Manoj Singh Adhikari

ABSTRACT: An increase in municipal waste has become one of the biggest problems today. Managing waste is a big challenge for every country. Municipal waste management includes transportation and recycling...

Open Access Article

Representation of Omitted Variable Bias with the Total Derivative Method

by Tolga Omay, Zeynep Elitaş

ABSTRACT: This study aims to provide an understanding of the concept of omitted variable bias through the total derivative method. This novel approach that is often overlooked could bring a new perspective...

Open Access Article

Benefits of Preservation, Green and Quality Improvement Investment for Waste Management in Sustainable Supply Chain under Fuzzy Learning and Inflation

by Vaishali Singh, S. R. Singh, Surendra Vikram Singh Padiyar

ABSTRACT: In the modern world, waste management, incorporating the quality of the products, energy consumption, and environmental concern have become significant challenges for supply chain managers. Also,...

Open Access Article

Impact of Inspection Error of an Economic Production Quantity Model with Acceptance Sampling, Defective Items, and Rework

by Palanivel M, Venkadesh M

ABSTRACT: Abstract: In this model, the manufacturer needs to inspect and rework defective items due to the flawed manufacturing process. When checking for defective products, two types of errors, namely...

Open Access Article

Advancing Computational Insights: Domination Topological Indices of Polysaccharides Using Special Polynomials and QSPR Analysis

by Suha Wazzan, Hanan Ahmed

ABSTRACT: Topological indices play a pivotal role in deciphering the structural and physicochemical properties of complex molecular structures, especially polysaccharides like amylose and blue starch-iodine...

Open Access Article

A Fractional-Order Mathematical Model of Banana Xanthomonas Wilt Disease Using Caputo Derivatives

by A. Manickam, M. Kavitha, A. Benevatho Jaison, Arvind Kumar Singh

ABSTRACT: This article investigates a fractional-order mathematical model of Banana Xanthomonas Wilt disease while considering control measures using Caputo derivatives. The proposed model is numerically...

Open Access Article

Topological Indices and Properties of the Prime Ideal Graph of a Commutative Ring and Its Line Graph

by Abdul Gazir Syarifudin, Intan Muchtadi-Alamsyah, Erma Suwastika

ABSTRACT: Let R be a commutative ring with identity, and P be a prime ideal of R . The prime ideal graph, denoted by Γ p , is the graph where the set of vertices is R /{0} and two vertices are...

Open Access Article

Algorithm Optimizer in GA-LSTM for Stock Price Forecasting

by Yohanes Leonardus Sukestiyarno, Dian Tri Wiyanti , Lathifatul Azizah , Wahyu Widada

ABSTRACT: Fluctuating stock prices make it difficult for investors to see investment opportunities. One tool that can help investors overcome this is represented by forecasting techniques. Long Short-Term...