Dispersive and Dissipative Behavior of the Spectral Element Method. - Mark Ainsworth; Hafiz Abdul Wajid (SIAM J. Numer. Anal., 2009)

Optimally Blended Spectral-Finite Element Scheme for Wave Propagation and NonStandard Reduced Integration. - Mark Ainsworth; Hafiz Abdul Wajid (SIAM J. Numer. Anal., 2010)

An optimally blended finite-spectral element scheme with minimal dispersion for Maxwell equations. - Hafiz Abdul Wajid; Sobia Ayub (J. Comput. Phys., 2012)

Modified Finite Difference Schemes on Uniform Grids for Simulations of the Helmholtz Equation at Any Wave Number. - Hafiz Abdul Wajid; Naseer Ahmed; Hifza Iqbal; Muhammad Sarmad Arshad (J. Appl. Math., 2014)