Liste sélective de publications

Djimramadji, H., Arino, J., Djomegni, P. T., & Haggar, M. D. (2025). Dynamics of bovine tuberculosis transmission in mixed herds in Chad. Mathematical Biosciences, 387, 109503.

Dawe, S., Haggar, M. D., Tsopze, L. K., & Mbehou, M. (2025). Error analysis of Crank–Nicolson-FEM for Fitzhugh–Nagumo system with Robin boundary conditions. Partial Differential Equations in Applied Mathematics, 13, 101045.

Haggar, M. D., Malloum, K. M., Fokam, J. M., & Mbehou, M. (2025). A linearized time stepping scheme for finite elements applied to Gray-Scott model. Computers & Mathematics with Applications, 191, 129-143.

Djimramadji, H., Abdramane, A. S., & Daoussa Haggar, M. S. (2025). Dynamics of Foot-and-Mouth Disease Spread in a Bovine Population with Vaccination. Electronic Journal of Mathematical Analysis and Applications, 13(2), 1-14.

Abdramane, A. S., Djimramadji, H., & Daoussa Haggar, M. S. (2025). Study of the dynamics of hiv-cholera co-infection in a mathematical model. Electronic Journal of Mathematical Analysis and Applications, 13(1), 1-11.

Saad, A. A., & Daoussa Haggar, M. S. (2025). Mathematical Modeling of Canine and Human Rabies. AppliedMath, 5(4), 182.

Mahamat, A. D., Saad, A. A., Abdoulaye, M. A., & Bienvenu, K. (2025). Combinations of Different Friction Models: Visualisation of the Curves. Open Journal of Applied Sciences, 15(10), 3043-3054.

Amine Oumar, R., Mbehou, M., Daoussa Haggar, M. S., & Mampassi, B. (2025). Mathematical Insights into the Spatio-Temporal Dynamics of Vector-Borne Diseases in Tropical Regions. AppliedMath, 5(2), 74.

HAGGAR, M., NTAGANDA, J., & ADOUM, A. (2025). A MATHEMATICAL MODEL FOR INVESTIGATING THE THERAPEUTIC RESPONSE OF REPAGLINIDE AND METFORMIN IN TYPE 2 DIABETES PATIENTS. FAR EAST JOURNAL OF DYNAMICAL SYSTEMS, 38(1), 107-125.

MADAI, O., & BAGAYOGO, M. (2025). Numerical solution of some wave equations with non-local edge conditions of fractional order in the sense of Caputo by the SOME BLAISE ABBO method (SBA). International Journal of Advances in Applied Mathematics and Mechanics, 12(3), 92-98.

HAGGAR, M., & Ntaganda, J. M. (2024). Efficacy of the Perturbation Iteration Method in Testing the Response of Hepatitis C Virus Treatment on the Dynamics of Uninfected and Infected Hepatocytes. UNIVERSAL JOURNAL OF MATHEMATICS AND MATHEMATICAL SCIENCES Учредители: Pushpa Publishing House, 21(1), 13-37.

Daoussa Haggar, M. S., & Mbehou, M. (2024). Optimal error estimates of a linearized second-order BDF scheme for a nonlocal parabolic problem. Arab Journal of Mathematical Sciences, 30(1), 112-129.

Haggar, M. D., Mbehou, M., & Njifenjou, A. (2024). Crank-Nicolson finite element methods for nonlocal problems with p-laplace-type operator. J. Math. Comput. Sci, 33, 57-70.

Ngartera, L., & Moussa, Y. (2024). Advancements and applications of the Adomian decomposition method in solving nonlinear differential equations. J. Math. Res, 16(4), 38.

MADAI, O., KABORE, G., Abbo, B., SO, O., & SOME, B. (2024). The Some Blaise Abbo (SBA) Plus method applied to fractional nonlinear time schrödinger equations in d dimension (d= 1, 2 or 3) in the sense of Caputo. Advances in Differential Equations & Control Processes, 31(3), 357.

Abdallah, I. O., Djomegni, P. T., & Haggar, M. D. (2023). Optimal control strategies of cell infections in a covid-19 model with inflammatory response. Alexandria Engineering Journal, 69, 747-757.

Abdallah, I. O., Djomegni, P. T., Haggar, M. D., & Abdramana, A. S. (2023). Two-strain mathematical virus model with delay for Covid-19 with immune response. Alexandria Engineering Journal, 85, 132-145.

Tahar, H. O., Haggar, M. D., & Mbehou, M. (2023). On the two-step BDF finite element methods for the incompressible Navier–Stokes problem under boundary conditions of friction type. Results in Applied Mathematics, 17, 100349.

Haggar, M. S. D., & Ntaganda, J. M. (2023). Perturbation Iteration Method Compared with Direct Method and Fuzzy Logic Strategy for Solving An Optimal Control Problem of An Uninfected Hepatitis B Virus Dynamics. Malaysian Journal of Mathematical Sciences, 17(3), 227-239.

Mbehou, M., Haggar, M. D., & Djomegni, P. T. (2022). Finite element method for nonlocal problems of Kirchhoff-type in domains with moving boundary. Scientific African, 16, e01256.

Adoum, A. H., Haggar, M. S. D., Djaokamla, T., & Ntaganda, J. M. (2022). A mathematical model of glucose homeostasis in Chad context. Journal of Ramanujan Society of Mathematics & Mathematical Sciences, 10(1), 153.

Adoum, A. H., Haggar, M. S. D., & Ntaganda, J. M. (2022). Mathematical modelling of a glucose-insulin system for type 2 diabetic patients in Chad. Mathematical Modelling and Numerical Simulation with Applications, 2(4), 244-251.

Mbehou, M., Haggar, M. D., & Tahar, H. O. (2022). Stability Analysis of the Crank‐Nicolson Finite Element Method for the Navier‐Stokes Equations Driven by Slip Boundary Conditions. Journal of Applied Mathematics, 2022(1), 7742867.

Yiyuréboula, B. J., Moussa, Y., & Francis, B. (2022). The Solution of Fractional Diffusion-reaction Equation Via the Regular Perturbation Method (RPM). Journal of Advances in Mathematics and Computer Science, 37(10), 90-104.

Layaka, A. M., Abbo, B., Haggar, M. S. D., & Paré, Y. (2021). MODELLING AND STABILITY ANALYSIS OF IMMUNE REGULATORY MECHANISMS DURING MALARIA BLOOD STAGE INFECTION. Advances in Differential Equations & Control Processes, 24(1), 11.

Haggar, M. S. D., Ntaganda, J. M., & Mampassi, B. (2016). A TWO DELAY DIFFERENTIAL EQUATIONS MODEL OF GLUCOSE AND INSULIN IN DIABETIC HUMANS DURING PHYSICAL ACTIVITY. Far East Journal of Applied Mathematics, 95(5), 343.

Haggar, M. S. D., & Mampassi, B. (2015). ON THE DETERMINATION OF SOLUTIONS SETS REGARDING HIGHLY NON-LINEAR EQUATIONS SYSTEMS. International Journal of Applied Mathematics, 28(4), 355-361.

Gahamanyi, M., Ntganda, J. M., & Hapgar, M. S. D. (2016). Perturbation Iteration Method for solving mathematical model of glucose and insulin in diabetic human during physical activity. Open Journal of Applied Sciences, 6(12), 826-838.

Ntaganda, J. M., Haggar, M. S. D., & Mampassi, B. (2014). Fuzzy Logic for Solving an Optimal Control Problem of Hypoxemic Hypoxia Tissue Blood Carbon Dioxide Exchange during Physical Activity. Open Journal of Applied Sciences, 4(11), 501.

Langa, F. R., Karim, M. A., Haggar, M. D., & Mampassi, B. (2011). An approach for determining hopf bifurcation points of multiple delayed linear differential systems. Pioneer Journal of Computer Science and Engineering Technology, 2(1), 35-42.