• University of the Free State, South Africa, Senior Lecturer (full time):  02/2022 to present,

• University of Limpopo, South Africa, Research associate 01/2020 to 12/2022,

• University of Limpopo, South Africa, Senior lecturer (full time): 03/2018 to 12/2019,

•   University of Pretoria, South Africa: Postdoctoral fellow and Junior lecturer:  01//2016 to 02/2018 ,

• University of Pretoria, South Africa, PhD student and Junior  lecturer:  01/2013 - 12/2015,   

• University of Pretoria, South Africa, MSc student (full time) and Tutor/Teaching Assistant: 06/2009 to 12/2012,

• Addis Ababa University (Ethiopia),  Lecturer (full time): 02/2002 to 05/2009,

• Alemaya University (Ethiopia), Lecturer (full time) 09/1998 to 01/2002.

     NRF Rating: C3

1. Terefe YA (with Lubuma JM-S): A nonstandard Volterra difference equation for the SIS epidemiology model, Serie A: Matemáticas, of the Review of the Royal Academy of Exact, Physical and Natural Sciences (abbreviated   as RACSAM) 109 (2015), 597-602.

2. Terefe YA (with Chapwanya M and Lubuma JM-S): Analysis and dynamically consistent nonstandard discretization for a rabies model in humans and dogs, Serie A: Matemáticas, of the Review of the Royal Academy of Exact, Physical and Natural Sciences (abbreviated as RACSAM), 110 (2016), 783–798.

3. Terefe YA (with Lubuma JM-S): Global stability for the continuous and discrete SIS-diffusion epidemiological models, Quaestiones Mathematicae, 40 (2) (2017), 161–176.

4. Terefe YA (with Gumel AB, Lubuma JMS, Sharomi O): Mathematics of a sex-structured model for syphilis transmission dynamics, Math Meth Appl Sci. Vol. 41, Issue 18 (2018): 8488-8513.

5. Terefe YA (with Berge T, Chapwanya M, Lubuma JMS) : A Mathematical model for Ebola epidemic with self-protection measures. Journal of Biological Systems 26(1) (2018), 107-131.

6. Y. A. Terefe (with H. Ga, M. Kamga and L. van der Mescht); Mathematics of a model for Zika transmission dynamics, Journal of Theory in Biosciences, (2018).

7. Y. A. Terefe: A sex-structured model for the transmission of trichomoniasis with possible reinfection, Mathematical Population Studies (2020).

8, Y. A. Terefe (with Berge, Doungmo Goufo, Tenkam, Hassan and Hussaini): Classical and fractional analysis of the effects of Silicosis in a Mining Community, Alexandria Eng. J. (2020).

9. Y. Terefe (with R..Anguelov, T. Berge, J.K. Djoko, M. Chapwanya, P. Kama and J. M-S. Lubuma): Nonstandard Finite Difference Method Revisited and Application to the Ebola Virus Disease Dynamics Transmission, Journal of Difference Equations and Applications.

10. Y.A. Terefer (With M. Chapwanya, J. M-S. Lubuma, A. Matusse , H. Lutermann and F. Nyabadza): Mathematical modeling and analysis of Cannabis epidemic in a South African province (Journal of Statistics & Management Systems).

11. Y. A. Terefe (with S. M. Kassa, and H.J.B. Njagarah); Analysis of the mitigation strategies for COVID-19: from mathematical modeling perspective; Chaos, Solitons and Fractals, 138 (2020).

12. Yibeltal A. Terefe (with Semu M. Kassa): Analysis of a mathematical model for the transmission dynamics of human melioidosis, International Journal of Biomathematics, Vol. 13, No. 7 (2020).

13. Yibeltal A. Terefe (with Berhe Nerea Kahsay and Semu M. Kassa): New Intervention Model to Eliminate the Spread of Trachoma in Hyper-Endemic Community: Based on a mathematical model, Applied Mathematical Modeling, 90 (2021), 568-581.

14. Yibeltal A. Terefe (with Semu M. Kassa and H. J. Njagrah): Modelling Covid-19 mitigation and control strategies in the presence of migration and vaccination: The case of South Africa. Afrika Matematika (2021).

15. Yibeltal A. Terefe (with Semu M. Kassa and H. J. Njagrah): Impact of the WHO Integrated Stewardship Policy on the Control of Methicillin-Resistant Staphyloccus aureus and Third-Generation Cephalosporin-Resistant   Escherichia coli: Using a Mathematical Modeling Approach.  (Bulletin of Mathematical Biology) (2022) 28:97:  https://doi.org/10.1007/s11538-022-01051-1.

16. Terefe YA ( with Berge T., Chapwanya M., Lubuma JMS) Analysis of war and conflict effect on the transmission dynamics of the tenth Ebola outbreak in the Democratic Republic of Congo. (Bulletin of Mathematical Biology) (2022) 84:136, https://doi.org/10.1007/s11538-022-01094-4.

17. Yibeltal A. Terefe (with H. J. Njagrah and   Semu M. Kassa): Effect of cross-border migration on the healthcare system of a destination community: Insights from mathematical modelling of COVID-19 in a developing country (Journal of  Mathematics and Computers in Simulation (2023), https://doi.org/10.1016/j.matcom.2023.01.040).

 Chapter in a book

Lubuma J, Mureithi E and Terefe Y; Nonstandard discretizations of the SIS epidemiological model with and without diffusion. In: A Gumel (editor), Mathematics of Discrete and Continuous Dynamical Systems, AMS Contemporary Mathematics book series. Volume in honour of Ronald E Mickens` 70th birthday, American Mathematical Society 2014, Vol 618, pp 113-132, ISBN: 978-0-8218-9862-8, 978-1-4704-1686-7.

Published full-length conference paper

Lubuma JM-S, Mureithi EW, Terefe Y; Analysis and dynamically consistent numerical schemes for the SIS model and related reaction diffusion equation. In CI Christov and MD Todorov (eds), Application of Mathematics in Techniqual and Natural Sciences ( Albena, Bulgaria) , 20-25 June 2011, American institute of Physics- AIP Conference proceedings, 1404, pp 168-175.

Application of Mathematics to population dynamics and epidemiology, vector-borne infections, Mathematics motivated by biological applications, dynamical systems, PDEs, Integral equations, nonstandard finite difference methods.

Courses  Presented

In 2022, I will lecture in the next modules:

        2nd semester

• MATM1644 - Calculus & Algebra