Greedy Tikhonov regularization for large linear ill-posed problems. - Hisham Bin Zubair; Coenraad Cornelis Willem Leentvaar; Cornelis W. Oosterlee (Int. J. Comput. Math., 2007)

Multigrid for High-Dimensional Elliptic Partial Differential Equations on Non-equidistant Grids. - Hisham Bin Zubair; Cornelis W. Oosterlee; Roman Wienands (SIAM J. Sci. Comput., 2007)

On the indefinite Helmholtz equation: exterior complex scaled absorbing boundary layers, iterative analysis, and preconditioning - Bram Reps; Wim Vanroose; Hisham Bin Zubair (CoRR, 2009)

Efficient Multigrid Methods based on Improved Coarse Grid Correction Techniques. - Hisham Bin Zubair (2009)

A preconditioned iterative solver for the scattering solutions of the Schrödinger equation - Hisham Bin Zubair; Bram Reps; Wim Vanroose (CoRR, 2010)

A polynomial multigrid smoother for the iterative solution of the heterogeneous Helmholtz problem - Wim Vanroose; Bram Reps; Hisham Bin Zubair (CoRR, 2010)

On the indefinite Helmholtz equation: Complex stretched absorbing boundary layers, iterative analysis, and preconditioning. - Bram Reps; Wim Vanroose; Hisham Bin Zubair (J. Comput. Phys., 2010)

A geometric multigrid method based on L-shaped coarsening for PDEs on stretched grids. - Hisham Bin Zubair; Scott P. MacLachlan; Cornelis W. Oosterlee (Numer. Linear Algebra Appl., 2010)

Block Preconditioning Techniques for Geophysical Electromagnetics. - Hisham Bin Zubair; C. Farquharson; Scott P. MacLachlan (SIAM J. Sci. Comput., 2020)