Email: ojarikreify@delsu.edu.ng

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  • Area of Specialization: Operations Research, numerical Optimization, Differentials and mathematical Analysis
  • Department of Mathematics

  • Dr(Mrs.) Henrietta Ify Ojarikre is an Associate Professor in the Department of Mathematics. She had her first degree in Industrial Mathematics from Delta State University, Abraka in 1997. As the best graduating student in her department, she was employed as a graduate assistant in year 2000 after her NYSC. She obtained her MSC. Mathematics in 2004 and Ph.D in Industrial Mathematics in 2012 from the prestigious Universities of Ibadan and Benin respectively. She has a simple persona, hardworking and straightforward. Currently, she is interested in Operations Research, Optimization theory, numerical analysis and stochastic Processes.
    My Publications
  1. C.O.Todo and H.I.Ojarikre and J.N Igabari (2022) Optimal EDC bill-mix Through Parameters tuning in an optimization, International Journal Of Mathematics and Statistics studies
    https://tudr.org/id/eprint/337/ Vol.10(1) Pages: 20-30

  2. N. Okposo,M.O.Adewale, E.N.Okposo, H.I Ojarikre and F.A.Abdullah (2021) A mathematical Study on a fractional COVID-19 transmission model within the framework of nonsingular and nonlocal kernel, Chaos, Solitons and Fractals
    https://doi.org/10.1016/j.chaos.2021.111427 Vol.152 Pages: 111427

  3. Ojarikre, H.I (2020) Outer Approximation Technique and Interior point Method for Convex Sets, Nigerian Journal of Science and Environment
    Vol.Vol. 18(1) Pages: 41-45

  4. R. Ideh and H.I.Ojarikre (2020) Elzaki Transform Method for Fokker-Planck Equation, Nigerian Research Journal of Engineering and Environmental Sciences
    https://scholar.google.com/scholar?q=Elzaki+transform+Method+For+Fokker-Planck+Equation&hl=en&as_sdt=0&as_vis=1&oi=scholart Vol.5(1) Pages: 513-519

  5. E.J.Mamadu and H.I.Ojarikre (2019) Reconstructed Elzaki Transform Method for Delay differential Equations with Mamadu-Njoseh polynomials.” Journal of Mathematics and Systems Science, Vol.9: 41-45, 2019., Journal of Mathematics and Systems Science, Vol.9: 41-45, 2019.
    https://www.researchgate.net/profile/Mamadu-Ebimene/publication/333976690_Reconstructed_Elzaki_Transform_Method_for_Delay_Differential_Equations_with_Mamadu-Njoseh_Polynomials/links/5ee33d5292851ce9e7dccc9c/Reconstructed-Elzaki-Transform-Method-for-Delay-Differential-Equations-with-Mamadu-Njoseh-Polynomials.pdf Vol.9 Pages: 41-45

  6. H.I. Ojarikre (2018) Production Scheduling and Distribution in Downstream Sector Using Block-Structured Linear Programming Solution Technique : A Comparative Analysis, Journal of Mathematics and Systems Science
    https://www.davidpublisher.com/Public/uploads/Contribute/5b9773b802887.pdf Vol.8 Pages: 67-75

  7. Ojarikre Henrietta I. (2018) Production Scheduling and Distribution in Downstream Sector Using Block-Structured Linear Programming Solution Technique : A Comparative Analysis., Journal of Mathematics and Systems Science
    Vol. Vol.8: 67-75 Pages:

  8. Ojarikre, H.I (2017) Back Order Inventory Model For Deteriorating Items., Journal of the Nigerian Association of Mathematical Physics
    Vol. Vol. 41: Pages:

  9. Ojarikre, H.I (2017) “A two-Stage Transportation Model Approach For Systems Maintennce and Recycling Problem”., Technical Transactions; Journal of Nigerian Institute of Production Engineers
    Vol. Vol.20, pp156-167, Pages:

  10. Ojarikre, H.I. and Njoseh, I.N (2017) Foreign Exchange Pricing as a Markov Process”. , Technical Transactions; Journal of Nigerian Institute of Production Engineers,
    Vol. Vol.21, pp 70-82 Pages:

  11. H.I.Ojarikre and P.O.Ekoko (2013) Block-Structured Petroleum Tanker-Routing Model for the Distribution of Petroleum Products, Nigerian Journal of Mathematics and Applications
    http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.677.5425 Vol.22 Pages: 34-45

  12. H.I.Ojarikre and O. Ighedo (2010) ‘Dynamic Programming for production Planning ; an application of Dijkstra’s Model, Journal of Nigerian Association Of Mathematical Physics
    https://www.ajol.info/index.php/jonamp/article/view/91156 Vol.17 Pages: 383-386

  13. Ojarikre, H.I& Ighedo, O (2010) Dynamic Programming for Production Planning: an Application of Dijkstra's Model, Journal of the Nigerian Association of Mathematical Physics
    https://www.ajol.info/index.php/jonamp/article/view/91156 Vol.Vol 17 Pages: 383- 386.

  14. Ojarikre, H.I (2007) On the constraint dropping strategy for polyhedral sets. , Nigerian Journal of Mathematics and Applications
    Vol. vol. 18, pp44-53 Pages: