Email: sezimadu@delsu.edu.ng

  • Area of Specialization: Operations Research, Statistical Modelling
  • Department of Mathematics

  • Sophia Oghenevwaire Ezimadu is a Lecturer in the Department of Mathematics, Delta State University, Abraka, Nigeria. She obtained her Ph.D from Delta State University Abraka and her M.Sc. from University of Benin, Benin City, Nigeria, and is currently a researcher in Delta State majoring in statistical modelling and operations research, with special interest in trade credit modelling. She has publications in both local and international journals.
    My Publications
  1. S. O. Ezimadu, P. A. Odola, F. O. Okwa, P. E. Ezimadu (2024) Predicting graduation performance through transformed admission data and first year grades using multiple regression and ANOVA: A case study of Delta State University, Scientia Africana
    https://www.ajol.info/index.php/sa/article/view/284212 Vol.23(4) Pages: 187-202

  2. Sophia Oghenevwaire Ezimadu, Jonathan Tsetimi, Friday Zinzendoff Okwonu (2024) A robust evaluation of the exponential-logarithmic distribution and its application to trade credit period data for perishable goods (a case study of Agbor Fruit Market, Agbor, Delta State), Science World Journal
    https://www.ajol.info/index.php/swj/article/view/274875 Vol.19(2) Pages: 309-317

  3. Peter E. Ezimadu and Sophia O. Ezimadu (2024) A Stackelberg game-theoretic trade credit model with credit response time length through credit function, Science World Journal
    https://www.ajol.info/index.php/swj/article/view/289051 Vol.19(4) Pages: ISSN-1597-6343

  4. Sophia O. Ezimadu and Peter E. Ezimadu (2023) A Three-Level Game-Theoretic Trade Credit Model in a Supply Channel, Journal of Advances in Mathematics and Computer Science
    https://journaljamcs.com/index.php/JAMCS/article/view/1780 Vol.38(7) Pages: 146-159

  5. Sophia O. Ezimadu and Ezimadu, P. E. (2023) A Mathematical Model of Optimal Manufacturer-Retailer Trade Credit Policy with End-user Credit Support, Asian Research Journal of Mathematics
    https://journalarjom.com/index.php/ARJOM/article/view/660 Vol.18(1) Pages: 61-71

  6. Sophia O. Ezimadu and Ezimadu, P. E. (2023) A mathematical model of optimal manufacturer-retailer trade credit policy with enduser credit support, Asian Research Journal of Mathematics
    https://journalarjom.com/index.php/ARJOM/article/view/660 Vol.19(5) Pages: 61-71

  7. P. E. Ezimadu, S. O. Ezimadu (2022) Modelling a manufacturer-retailers trade credit supply chain using game theory, World Journal of Applied Science & Technology
    https://www.ajol.info/index.php/wojast/article/view/249572 Vol.14(1b) Pages: 80-85

  8. Peter E. Ezimadu and Sophia O. Ezimadu (2022) A Game-Theoretic Credit Period and Promotion Model in a Supplier-Retailer Channel, Asian Research Journal of Mathematics
    https://journalarjom.com/index.php/ARJOM/article/view/609 Vol.18(11) Pages: 351-361