Bd. 3 Nr. 2 (2026): International Journal of Development Mathematics (IJDM)

Articles

• A Stochastic Crime-Victim Model with Fear Effect and Information-Driven Control

  David Nyirenda, Andrew Okocha, Patrick Phepa, Gbenga Orunmolase (Autor/in)

  001 - 021

  • PDF (Englisch)

• Effects of Heat Sink and Heat Absorption on Casson Fluid Flow in a Vertical Channel

  Abdullahi Hussaini, Emmanuel Omokhuale, Abdullahi A. Sifawa, Salisu Saleh (Autor/in)

  043 - 055

  • PDF (Englisch)

• A Zero Inflated Power Sine Sine Dagum Distribution for Modeling Heavy-Tailed Data with Excess Zeros

  Ibrahim Abdullahi, Musa, C. Dalaha (Autor/in)

  022 - 042

  • PDF (Englisch)

• Computational Numerical Method for the Direct Solution of Highly Third Order Oscillatory Linear Initial Value Problems

  Donald J. Zirra, Adamu Wakili, Omotayo S. Olumide (Autor/in)

  056 - 072

  • PDF (Englisch)

• Modeling the Impact of Insurgency on Food Security in North-Eastern Nigeria: A Mathematical Approach

  Samuel Musa, Matthew Odekunle, Abdulfatai Momoh, Jacob Shehu, Jude Momodu, Adesupo Akinrefon (Autor/in)

  073 - 089

  • PDF (Englisch)

• Combinatorial Properties of Order Decreasing and Order Reversing  Partial One– to–One Transformation Semigroup

  Cornelius Michael, Albert Ayuba Shalangwa , Yahaya Ajiya, Adamu Ishaku (Autor/in)

  090 - 098

  • PDF (Englisch)

• Computational Numerical Method for Direct Solutions of Second Order Oscillatory Problems

  Nathaniel Danladi, Adedejo Emmanuel Adedayo (Autor/in)

  099 - 114

  • PDF (Englisch)

• A Comparative Monte Carlo Study of Hybrid and Single Robust Estimators for Nonlinear Regression Under Heavy-Tailed Error Distributions

  Bassa Shiwaye Yakura, Abraham Okolo, Emmanuel Torsen, Akinrefon A. Adesupo (Autor/in)

  115 - 129

  • PDF (Englisch)

• Forecasting Daily Ethereum Closing Price: An Autoregressive Integrated Moving Average (ARIMA) Approach

  SAMUEL OBOH, Boniface Dondo, Bassa, S. Yakura, Gambo I. Bature (Autor/in)

  140 - 139

  • PDF (Englisch)

• The Investigation of the Riemann-Liouville Fractional Operator on Natural Convective Fluid Flow in a Vertical Cylindrical Material with Variable Viscosity

  Felix Oghenerobor MOSES, Femi Timothy OSHO, Johnson Oladotun Ani OLADEMO (Autor/in)

  140 - 153

  • PDF (Englisch)

• An Age Structured Malaria Transmission Dynamics Model Incorporating Severe and Uncomplicated Infections Compartments

  Yusuf Bala, Abdul H. Bala, Ashiru Umar (Autor/in)

  170 - 189

  • PDF (Englisch)

• Binary Logistic Regression Analysis of Sociodemographic and Clinical Determinants of HIV-TB Coinfection Among Patients Attending HIV Clinics

  Fadimatu B. Mohammed, SAMUEL OBOH, Victory O. Aleburu, Aisha U. Yahaya (Autor/in)

  190 - 201

  • PDF (Englisch)

• The Combined Effects of Hyers-Ulam Stability and Riemann-Liouville Fractional Derivatives on Symmetric and Asymmetric Boundary Conditions,"Thermal Explosion with Arrhenius Kinetics inParallel Plates"

  Kehinde Emmanuel ADENEGAN (Autor/in)

  154 - 169

  • PDF (Englisch)

• Impact of Copula Misspecification on Option Pricing Accuracy in CGMY Jump-Diffusion Models: A Comprehensive Analysis

  Abdulmudallib Ibrahim, Adesupo A. Akinrefon, Okolo Abraham Okolo Abraham, Emmanuel Torsen Emmanuel Torsen (Autor/in)

  221 - 236

  • PDF (Englisch)

• Temporal and Spatial Analysis of Lymphatic Filariasis in Nigeria: Evaluating the Impact of Mass Drug Administration Interventions

  Olabimpe Aladeniyi, IBRAHIM TEMITAYO SEIDU, Rasaki Yinka Akinbo (Autor/in)

  237 - 251

  • PDF (Englisch)

• Modeling the Transmission of Tuberculosis Meningitis Disease with Optimal Control Strategy

  Muritala Afolabi, Musibau Omoloye, Saheed Ajao, Moses Adeyemi (Autor/in)

  202 - 220

  • PDF (Englisch)

• Age-Structured Compartmental Model for Cholera Transmission Dynamics and Control in Shendam Local Government Area, Plateau State, Nigeria

  Justice Jantiku, Shuaibu Ahijo Abdullahi (Autor/in)

  252 - 277

  • PDF (Englisch)

• Mathematical Modeling and Sensitivity Analysis of Trachoma Transmission Dynamics using a Six-Compartment Model

  Andrew Agada, Dekera Washachi, Aliyu G. Dzarma, Aliyu G. Dzarma, Adejoh B. Sunday (Autor/in)

  278 - 291

  • PDF (Englisch)

• RELATIONSHIP BETWEEN HEALTH AND ECONOMIC GROWTH IN SUB-SAHARAN AFRICAN COUNTRIES: EXAMINING THE MODERATING EFFECT OF INSTITUTIONAL QUALITY

  AGNESS TITUS, Babalola Sikiru Jimoh, Purokayo Suleiman Gambiyo (Autor/in)

  292 - 308

  • PDF (Englisch)

• User Acceptance of Voice-Enabled Inventory Systems in Nigeria's Retail Sector: An Extended Technology Acceptance Model Perspective

  Ilyasu Adamu, Joseph Wasinda , Abba Jalo, Fred Moveh (Autor/in)

  309 - 332

  • PDF (Englisch)

• A Hybrid Machine Learning – Bayesian Spatial Survival Model of Early Sexual Initiation in Nigeria

  Paul Olopha (Autor/in)

  333 - 350

  • PDF (Englisch)

• A Modified Spatial Variance Shift Outlier Model

  Ehiosasu idusuyi, Adesupo, A. Akinrefon, Emmanuel Torsen, Abraham Okolo (Autor/in)

  351 - 361

  • PDF (Englisch)

• Evaluating Efficiency of Hybrid Estimators in Exact and Over – Identified Simultaneous Equations

  Alademomi Aladesuyi, Olatayo Olusegun Alabi, Abimbola Hamidu Bello (Autor/in)

  362 - 379

  • PDF (Englisch)

• Effect of Different Concentrations of Detergent on Surface Tension of Water

  Abu ubaida Adamu Dodo, A. Abdurrauf Abdullahi Abdurrauf, M. M. Dahiru Muhammad Dahiru Muhammad (Autor/in)

  380 - 389

  • PDF (Englisch)

• Mathematical Modeling and Analysis of MDR-TB with Vaccination and Re-infection

  Musa Abdullahi, Adamu M. Alkali, Ismaila M. Songb, Abdullahi, S. Alier (Autor/in)

  390 - 408

  • PDF (Englisch)

• Modeling Rainfall in Three Northern Nigerian States with SARIMA (1981–2020)

  TERKUMA DAHIDA, Haruna U. Yahaya, Thaddeus Pever, Obele T. Elorhor, Sameerah Haruna (Autor/in)

  409 - 427

  • PDF (Englisch)