1. Published research articles:
2. 1) Lesfari, A.: KP-KdV hierarchy and pseudo-differential operators, Communications in Advanced Mathematical Sciences, Vol. 2, No. 2, 75-104 (2019).
3. 2) Lesfari, A.: Réalisation du flot géodésique sur le groupe SO(n) comme flot sur des orbites de Kotant-Kirillov, Surv. Math. Appl., 14, 231-259 (2019).
4. 3) Lesfari, A.: Spectral theory, Jacobi matrices, continued fractions and difference operators, Fundamental Journal of Mathematics and Applications, 2 (1), 63-90 (2019).
5. 4) Lesfari, A.: Normally generated line bundle and Laurent series solutions of nonlinear differential equations, J. Dyn. Syst. Geom. Theor., Vol. 16, No. 2, 151-171 (2018).