Optimal control of electromagnetic wave displacement with an unknown velocity of propagation. - Abdelhak Hafdallah; Abdelhamid Ayadi (Int. J. Control, 2019)

Optimal control of a thermoelastic body with missing initial conditions. - Abdelhak Hafdallah; Abdelhamid Ayadi (Int. J. Control, 2020)

Identification of diffusion coefficient in a semi-linear parabolic equation with incomplete initial condition: a no-regret control method. - Abdelhak Hafdallah (J. Control. Decis., 2025)