Journal Publications

1. Otunuga, O. M. (2026). From Outbreak to Endemicity or Control: Tracking First Passage Time in Infectious Diseases. Bulletin of Mathematical Biology 88:68. DOI PDF
2. Otunuga, O. M. (2026). Statistical Analysis of Stationary and Transition Probability Densities for Atmospheric Forcing in a Climate Change Model. Stochastic Environmental Research and Risk Assessment, 40:22. DOI PDF
3. Otunuga, O. M. (2025). Stochastic Modeling and First-Passage-Time Analysis of Oncological Time Metrics with Dynamic Tumor Barriers. Scientific Reports, 15, 14941. DOI PDF
4. Otunuga, O. M. (2024). Transition probability density function for number of infections in a population satisfying a stochastic SIS-epidemic model. Applied Mathematical Analysis and Computations II. DOI PDF
5. Otunuga, O. M. (2024). Tumor growth and population modeling in a toxicant-stressed random environment. Journal of Mathematical Biology, 88:18. DOI PDF
6. Otunuga, O. M. (2024). Analysis of the impact of treatments on HIV/AIDS and Tuberculosis co-infected population under random perturbations. Infectious Disease Modelling, 9(1), 27-55. DOI PDF
7. Otunuga, O. M., Alexandra Yu (2023). Vaccine breakthrough and rebound infections modeling: Analysis for the United States and the ten U.S. HHS regions. Infectious Disease Modelling, 8(3), 717-741. DOI PDF
8. Peter O.J., Panigoro, H.S., Ibrahim M.A., Otunuga, O. M., Ayoola T. A., Oladapo A. O. (2023). Analysis and dynamics of measles with control strategies: a mathematical modeling approach. International Journal of Dynamics and Control, 11, 2538-2552. DOI PDF
9. Yemba, B.P., Otunuga, O. M., Tang B., Biswas N. (2023). Nowcasting of Short-Run Euro-Dollar Exchange Rate with Economic Fundamentals and Time-Varying Parameters. Finance Research Letters, 52. DOI PDF
10. Otunuga, O. M. (2022). Stochastic modeling and forecasting of Covid-19 deaths: Analysis for the fifty states in the United States. Acta Biotheoretica, 70:25. DOI PDF
11. Otunuga, O. M. (2022). Analysis of multi-strain infection of vaccinated and recovered population through epidemic model: Application to COVID-19. PLOS ONE, 17(7), e0271446. DOI PDF
12. Otunuga, O. M. (2021). Estimation of epidemiological parameters for COVID-19 cases using a stochastic SEIRS epidemic model with vital dynamics. Results in Physics, 28, 104664. DOI PDF
13. Otunuga, O. M. (2021). Time-dependent probability distribution for number of infection in a stochastic SIS model: case study COVID-19. Chaos, Solitons & Fractals, 147, 110983. DOI PDF
14. Otunuga, O. M. (2021). Time-dependent probability density function for general stochastic logistic population model with harvesting effort. Physica A, 573, 125931. DOI PDF
15. Otunuga, O. M., Ladde G.S. (2020). Two-Scale Network Dynamic Model for Energy Commodity Processes. Journal of Energy. DOI PDF
16. Otunuga, O. M., Ogunsolu M. (2020). Qualitative analysis of a stochastic SEITR epidemic model with multiple stages of infection and treatment. Infectious Disease Modelling, 5, 61-90. DOI PDF
17. Otunuga, O. M. (2019). Closed-form probability distribution of number of infections at a given time in a stochastic SIS epidemic model. Heliyon, 5(9). DOI PDF
18. Mummert, A., Otunuga, O. M. (2019). Parameter identification for a stochastic SEIRS epidemic model: case study influenza. Journal of Mathematical Biology, 79(2), 705-729. DOI PDF
19. Otunuga, O. M.,Ladde G.S., Ladde, N (2019). Local Lagged Adapted Generalized Method of Moments: An Innovative Estimation and Forecasting Approach and its Applications. Journal of Time Series Econometrics. DOI PDF
20. Otunuga, O. M. (2018). Global stability for a (2n+1)-dimensional HIV/AIDS epidemic model with treatments. Mathematical Biosciences, 299, 138-152. DOI PDF
21. Otunuga, O. M. (2017). Time varying parameter estimation scheme for a linear stochastic differential equation. International Journal of Statistics and Probability, 6(5), 84-100. DOI PDF
22. Otunuga, O. M. (2017). Global Stability of Nonlinear Stochastic SEI Epidemic Model. International Journal of Stochastic Analysis. DOI PDF
23. Otunuga, O. M.,Ladde G.S., Ladde, N (2016). Local Lagged Adapted Generalized Method of Moments and Applications. Stochastic Analysis and Applications, 35(1), 1-34. DOI PDF
24. Otunuga, O. M. (2014). Second Order State and Covariance Estimation for Nonlinear Stochastic Systems. Journal of Neural, Parallel and Scientific Computation, 22, 89-126. DOI PDF
25. Otunuga, O. M. (2014). Stochastic Modeling of Energy Commodity Spot Price Processes with Delay in Volatility. American International Journal of Contemporary Research, 4(5), 1-20. DOI PDF
26. Otunuga, O. M. (2014). Positive Solutions of Boundary Value Dynamic Equations. American Review of Mathematics and Statistics, 2(2), 1-16. DOI PDF