On the rate of convergence of spectral collocation methods for nonlinear multi-order fractional initial value problems. - Mahmoud A. Zaky; Ibrahem G. Ameen (Comput. Appl. Math., 2019)

A priori error estimates of a Jacobi spectral method for nonlinear systems of fractional boundary value problems and related Volterra-Fredholm integral equations with smooth solutions. - Mahmoud A. Zaky; Ibrahem G. Ameen (Numer. Algorithms, 2020)

A novel Jacob spectral method for multi-dimensional weakly singular nonlinear Volterra integral equations with nonsmooth solutions. - Mahmoud A. Zaky; Ibrahem G. Ameen (Eng. Comput., 2021)

Singularity preserving spectral collocation method for nonlinear systems of fractional differential equations with the right-sided Caputo fractional derivative. - Ibrahem G. Ameen; Mahmoud A. Zaky; Eid H. Doha (J. Comput. Appl. Math., 2021)

A re-scaling spectral collocation method for the nonlinear fractional pantograph delay differential equations with non-smooth solutions. - N. A. Elkot; Eid H. Doha; Ibrahem G. Ameen; Ahmed S. Hendy; Mahmoud A. Zaky (Commun. Nonlinear Sci. Numer. Simul., 2023)