A. Hajjaj

Numerical solution of two-dimensional Fredholm–Hammerstein integral equations on 2D irregular domains by using modified moving least-square method

Z. E. Majouti, R. E. Jid, A. Hajjaj, 2020, Int. J. Comput. Math..

Carleman Estimates and null controllability of coupled degenerate systems

L. Maniar, A. Hajjaj, F. A. Khodja, 2011, 1111.3665.

Inverse problem for a degenerate/singular parabolic system with Neumann boundary conditions

L. Maniar, A. Hajjaj, M. Alaoui, 2020, Journal of Inverse and Ill-posed Problems.

Boundary controllability for a coupled system of degenerate/singular parabolic equations

Brahim Allal, Jawad Salhi, Abdelkarim Hajjaj, 2021, Evolution Equations & Control Theory.

Solving Two-dimensional Linear and Nonlinear Mixed Integral Equations Using Moving Least Squares and Modified Moving Least Squares Methods

Z. E. Majouti, R. E. Jid, A. Hajjaj, 2020 .

Null controllability for singular cascade systems of $ n $-coupled degenerate parabolic equations by one control force

L. Maniar, A. Hajjaj, B. Allal, 2021, Evolution Equations & Control Theory.

Null controllability of degenerate parabolic cascade systems

L. Maniar, A. Hajjaj, F. A. Khodja, 2011 .

Existence of solutions for quasilinear elliptic boundary value problems in unbounded domains

A. Hajjaj, A. A. Ouassarah, 1996 .