Keynote addresses / Plenary Speaker

  1. Lubuma, J.M-S 2000. Singularities in some models of physics and mechanics, Keynote address at the 3rd Hanno Rund Conference on Differential Equations and Applications held in Durban, 13-16 September 2000.
  2. Lubuma, J.M-S 2000. Nonstandard finite difference method for some models of applied sciences. Keynote address at the 43rd annual congress of the South African Mathematical Society, Pretoria, 16-18 October 2000.
  3. Lubuma, J.M-S 2007   Reliable finite difference schemes for impact oscillators, Keynote address at the 49th annual congress of the South African Mathematical Society, Bloemfontein, 6-8 November 2006.
  4. Lubuma, J.M-S 2012. On NSFD schemes in Biosciences. Keynote address at the 4th International conference of the Euro-American Consortium for Promoting the Application of Mathematics in Technical and Natural Sciences (AMITANS12), Varna, Bulgaria, 11-16 June 2012
  5. Lubuma, J.M-S 2012. Reliable numerical simulations in biosciences, Invited presentation at the International Conference on Mathematical Methods and Models in Biosciences (BIOMATH 2012), Sofia, Bulgaria, 17-22 June 2012.
  6. Lubuma, J.M-S 2014, Differential equations models in biosciences and reliable numerics, Invited talk at the 20 Years of Democracy Symposium on Mathematics in the new South Africa, University of the Witwatersrand, Johannesburg, 12–13 September 2014.
  7. Lubuma, J.M-S 2016, Differential equations models in biosciences and reliable numerics, Keynote address at the African Academy of Sciences (AAS) / African Mathematical Union (AMU) Symposium on Current Research Trends in Mathematical Sciences and Applications, National Mathematical Centre, Abuja, Nigeria, 16–20 May 2016.
  8. Lubuma, J.M-S 2017, Nonstandard finite difference schemes in life sciences, Keynote address at  the International Conference Mathématiques Appliquées à des Questions de Développement (MADEV17) : Mathématiques Appliquées et Epidémiologie, Académie des Sciences de France and  Académie Hassan II des Sciences et Techniques, Rabat, Morocco, 16-19 October 2017.              
  9. Lubuma, J.M-S 2017, Differential equations models in life sciences and reliable numerics, Keynote address at the Annual Conference of the Southern Africa Mathematical Sciences Association (SAMSA), Arusha, Tanzania, 20–23 November 2017.
  10. Lubuma, J.M-S 2018, Nonstandard finite difference models of some differential equations in life sciences, Keynote address at the 10th Blackwell-Tapia Conference, Institute for Computational and Experimental Research in Mathematical Sciences (ICERM), Brown University, Providence, Rhode Island, USA, 9 – 10 November 2018.
     (stream: https://icerm.brown.edu/video_archive/?play=1753 ).
  11. Lubuma, J.M-S 2019, Analysis of some epidemiological models undergoing or not undergoing backward bifurcations and their nonstandard discretizations, Keynote address at the International Conference Mathématiques Appliquées à des Questions de Développement (MADEV19) : Mathématiques Appliquées et Théorie du Contrôle Appliquée à l’Epidémiologie, Académie des Sciences de France and Académie Nationale des Sciences and Techniques du Sénégal, Dakar, Sénégal, 25-27 November 2019.
  12. Michèle Artigue and Ingrid Daubechies (Co-chairs), Timothy Gowers, Jean Lubuma, Nelly León and David Wagner (Panelists), 2021,   Plenary Panel (virtual): Pandemic times: Challenges, responsibilities and roles for mathematics and mathematics education communities, 14th International Congress on Mathematical Education (ICME-14), 11–18 July 2021, Shanghai, China.
  13. Lubuma, JM.-S. 2024, Nonstandard finite difference models of the Ebola virus disease and related optimal control problems, International Conference on Mathematical Modelling in Biology and Life Sciences (3MC), Northwest University, Potchefstroom campus, 28 February to 1 March 2024, South Africa.
  14. Lubuma, J.M.-S. 2024, Modelling the transmission dynamics and control of the Ebola virus disease under war and travel challenges, South African Numerical and Applied Mathematics Symposium (SANUM), Stellenbosch University, 3-5 April 2024, South Africa.
  15. Lubuma, J.M.-S. 2025, Nonstandard finite difference method, a reliable numerical approach to real-life problems, Journées Scientifiques sur Décisions Optimales pour le Développement Durable de la République Démocratique du Congo, Mention de Mathématiques, Statistiques et Informatique (MSI), Université de Kinshasa, Kinshasa 28-30 Avril 2025, RD Congo.
  16. Lubuma, J.M.-S. 2025, Nonstandard Finite Difference for Optimal Control Metapopulation Models: The 2014-2016 Western Africa Ebola Virus Case, Workshop on Bifurcation and Chaos in Population Biology, Brin Mathematics Research Center, Department of Mathematics, University of Maryland, College Park, 28-30 May 2025, USA.
  17. Lubuma, J.M.-S. 2025, Analysis and Nonstandard Finite Difference Schemes for the Ebola Virus Disease Transmission and control under Conflict, Violence and War Challenges, Biomathematics Online Symposium (BOS) on the occasion of the launch of the African Society for Biomathematics (ASB) and the retirement of  Professor Edward Lungu, 26-27 June 2025.
  18. Lubuma, J.M-S. 2025, Nonstandard Finite Difference Schemes in Epidemiology: The case of Ebola Virus and HIV-Mpox diseases, Plenary talk at the South African Mathematical Society (SAMS 2025) Congress, 2-5 December 2025, Port Elizabeth.

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