UNIOSUN Staff Profile
Discover the People Behind Our Academic Excellence.
Academic Staff
ADEDEJI Adeleke J.
Lecturer II
COLLEGE OF SCI. ENG. & TECH.
MATHS & PHY. SCI.
Brief Educational Profile
i. PhD in Applied Mathematics, Osun State University, Nigeria September 2025
Thesis: Numerical Analysis and Simulation of Epidemic models of Caputo and Caputo Fabrizio Fractional order Using Laplace Adomian Decomposition Method.
Advisor: Prof. Morufu Oyedunsi Olayiwola
ii. MSc in Applied Mathematics, Osun State University, Nigeria January 2022
Distinction: 73.17%
Thesis: Numerical Solutions of Systems of Equations of Fractional Order.
Advisor: Prof. Morufu Oyedunsi Olayiwola
iii. BSc in Mathematics, Osun State University, Nigeria March 2018
First Class Honors: 4.56/5
Thesis: Application of Tau Method to Linear and Non linear integro-differential Equation.
Advisor: Prof. Y.A.S. Aregbesola
Academic Profiles
Google Scholar
https://scholar.google.com/citations?user=FEBLVA0AAAAJ&hl=en
ResearchGate
Curriculum Vitae
Current/Recent Research
Mathematical Epidemiology
Computational Biology
Numerical Analysis
Selected Recent Publications
- Adedeji, J., & Olayiwola, M. O. (2024). ON ANALYSIS OF A MATHEMATICAL MODEL OF CHOLERA USING CAPUTO FRACTIONAL ORDER: ON ANALYSIS OF A MATHEMATICAL MODEL OF CHOLERA. Journal of the Nigerian Mathematical Society, 43(3), 287-309.
- Alaje, A. I., Adedeji, J. A., & Olayiwola, M. O. (2026). A fractional-order analysis of recurrent Lassa fever transmission in Nigeria. Virus Research, 199747.
- Olayiwola, M. O., Yunus, A. O., Ismaila, A., & Adedeji, J. A. (2025). Modeling within-host Chikungunya virus dynamics with the immune system using semi-analytical approaches. BMC Research Notes, 18(1), 1-15.
- Olayiwola, M. O., Adedeji, J. A., & Aregbesola, Y. A. S. (2019). APPLICATION OF TAU METHOD TO LINEAR AND NON-LINEAR INTEGRO-DIFFERENTIAL EQUATIONS. In 1ST INTERNATIONAL CONFERENCE ON ENGINEERING AND ENVIRONMENTAL SCIENCES (p. 1222).
- Yunus, A. O., Olayiwola, M. O., Adedokun, K. A., Adedeji, J. A., & Alaje, I. A. (2022). Mathematical analysis of fractional-order Caputo’s derivative of coronavirus disease model via Laplace Adomian decomposition method. Beni-Suef University Journal of Basic and Applied Sciences, 11(1), 144. Publisher: Springer
- Alaje, A. I., Olayiwola, M. O., Adedokun, K. A., Adedeji, J. A., & Oladapo, A. O. (2022). Modified homotopy perturbation method and its application to analytical solitons of fractional-order Korteweg–de Vries equation. Beni-Suef University Journal of Basic and Applied Sciences, 11(1), 139. Publisher: Springer
- Alaje, A. I., Olayiwola, M. O., Ogunniran, M. O., Adedeji, J. A., & Adedokun, K. A. (2021). Approximate analytical methods for the solution of fractional order integro-differential equations. Nigerian Journal of Mathematics and Applications, 31, 175.
- Oyedepo, T., Adebisi, A. F., Tayo, R. M., Adedeji, J. A., Ayinde, M. A., & Peter, O. J. (2020). Perturbed least squares technique for solving volterra fractional integro-differential equations based on constructed orthogonal polynomials. J. Math. Comput. Sci., 11(1), 203-218.
- Alaje, A. I., Olayiwola, M. O., Adedokun, K. A., Adedeji, J. A., Oladapo, A. O., & Akeem, Y. O. (2023). The modified homotopy perturbation method and its application to the dynamics of price evolution in Caputo-fractional order Black Scholes model. Beni-Suef University Journal of Basic and Applied Sciences, 12(1), 93. Publisher: Springer
- Adebisi, A. F., Uwaheren, O. A., Abolarin, O. E., Raji, M. T., Adedeji, J. A., & Peter, O. J. (2021). Solution of typhoid fever model by Adomian decomposition method. J. Math. Comput. Sci., 11(2), 1242-1255.
- Oyedepo, T., Adebisi, A. F., Raji, M. T., Ajisope, M. O., Adedeji, J. A., Lawal, J. O., & Uwaheren, O. A. (2021). Bernstein modified homotopy perturbation method for the solution of Volterra Fractional integro-differential equations,”. Pasifi Journal of Science and Technology, 22(1), 30-36.
- Adebisi, A. F., Okunola, K. A., Raji, M. T., Adedeji, J. A., & Peter, O. J. (2021). Galerkin and perturbed collocation methods for solving a class of linear fractional integro-differential equations. The Aligarh Bulletin of Mathematics, 40(2), 45-57.
- Yunus, A. O., Olayiwola, M. O., Adedokun, K. A., Adedeji, J. A., & Alaje, I. A. (2022). Mathematical analysis of fractional-order Caputo’s derivative of coronavirus disease model via Laplace Adomian decomposition method. Beni-Suef University Journal of Basic and Applied Sciences, 11(1), 144. Publisher: Springer
- Oladapo, A. O., Olayiwola, M. O., Adedokun, K. A., Adedapo, A. I., Adedeji, J. A., Kabiru, K. O., & Yunus, A. O. (2023). Mathematical analysis of sensitive parameters on the dynamical transmission of HIV-malaria co-infection. Jambura Journal of Biomathematics (JJBM), 4(1), 37-45.
- Oladapo, A. O., Olayiwola, M. O., Adedokun, K. A., Alaje, I. A., Adedeji, J. A., Kabiru, K. O., & Yunus, A. O. (2023). Optimal control analysis on mathematical model of dynamical transmission of hiv-malaria co-infection. Journal of Southwest Jiaotong University, 58(1).
- Adebisi, A. F., Uwaheren, O. A., Etuk, M. O., Abolarin, O. E., Raji, M. T., Bello, K. A., & Adedeji, J. A. (2021). Standard Collocation Method by Legendre Basis Polynomial Function for Solving Integro-Differential Equations. The Pacific Journal of Science and Technology, 22(1), 37-46.
- Kareem, K. O., Olayiwola, M. O., Ogunniran, M. O., Oladapo, A. O., Yunus, A. O., Adedokun, K. A., ... & Alaje, I. A. (2024). Approximating Higher Order Linear Fredholm Integro-Differential Equations by an Efficient Adomian Decomposition Method. Istanbul Journal of Mathematics, 2(1), 44-54.
Research Interests
Data Analysis, Computational Mathematics