Vol. 3 No. 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 (Author)

  001 - 021

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

  Abdullahi Hussaini, Emmanuel Omokhuale, Abdullahi A. Sifawa, Salisu Saleh (Author)

  043 - 055

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

  Ibrahim Abdullahi, Musa, C. Dalaha (Author)

  022 - 042

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

  Donald J. Zirra, Adamu Wakili, Omotayo S. Olumide (Author)

  056 - 072

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

  Samuel Musa, Mathew R. Odekunle, Abdulfatai A. Momoh, Jacob F. Shehu, Abdulkareem J. Momodu, Adesupo A. Akinrefon (Author)

  073 - 089

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

  Michael Cornelius, Albert A. Shalangwa, Yahaya Ajiya, Adamu Ishaku (Author)

  090 - 098

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

  Nathaniel Danladi, Adedayo A. Emmanuel (Author)

  099 - 114

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

  Bassa S. Yakura, Abraham Okolo, Emmanuel Torsen, Akinrefon A. Adesupo (Author)

  115 - 129

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

  Samuel O. Oboh, Boniface Dondo, Bassa, S. Yakura, Gambo I. Bature (Author)

  140 - 139

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

  Moses F. Oghenerobor, Osho F. Timothy, Olademo J. O. Ani (Author)

  140 - 153

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

  Yusuf Bala, Abdul H. Bala, Ashiru Umar (Author)

  170 - 189

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

  Fadimatu B. Mohammed, Samuel O. Oboh, Victory O. Aleburu, Aisha U. Yahaya (Author)

  190 - 201

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• 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"

  Adenegan K. Emmanuel (Author)

  154 - 169

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

  Abdulmudallib Ibrahim, Adesupo A. Akinrefon, Okolo Abraham, Emmanuel Torsen (Author)

  221 - 236

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

  Olabimpe B. Aladeniyi, Ibrahim T. Seidu, Rasaki Y. Akinbo (Author)

  237 - 251

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

  Muritala A. Afolabi, Musibau A. Omoloye, Saheed O. Ajao, Moses O. Adeyemi (Author)

  202 - 220

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

  Justice J. Mamzaa, Shuaibu A. Abdullahi (Author)

  252 - 277

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

  Agada A. Andrew, Washachi D. Jacob, Aliyu G. Dzarma, Aliyu G. Dzarma, Adejoh B. Sunday (Author)

  278 - 291

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• Relationship between Health and Economic Growth in Sub-Saharan African Countries: Examining the Moderating Effect of Institutional Quality

  Agness Titus, Sikiru J. Babalola, Suleiman G. Purokayo (Author)

  292 - 308

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

  Adamu Ilyasu, Wasinda, J. Malgwi, Abba, J. Muhammad, Muveh, F. Fudah (Author)

  309 - 332

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

  Olopha P. Omoh (Author)

  333 - 350

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• A Modified Spatial Variance Shift Outlier Model

  Ehiosasu Idusuyi, Adesupo, A. Akinrefon, Emmanuel Torsen, Abraham Okolo (Author)

  351 - 361

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

  Alademomi Aladesuyi, Olatayo O. Alabi, Abimbola H. Bello (Author)

  362 - 379

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

  Adamu A. Dodo, Abdullahi Abdurrauf, Muhammad M. Dahiru (Author)

  380 - 389

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

  Musa Abdullahi, Adamu M. Alkali, Ismaila M. Songb, Abdullahi, S. Aliero (Author)

  390 - 408

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

  Dahida Terkuma, Haruna U. Yahaya, Thaddeus Pever, Obele T. Elorhor, Sameerah Haruna (Author)

  409 - 427

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