Shifted Monic Ultraspherical Approximation for solving some of Fractional Orders Differential Equations. - Mohamed Abdelhakem; Doha M. R.; Adel F. Saadallah; Mamdouh El-Kady (CoRR, 2021)

Monic Chebyshev pseudospectral differentiation matrices for higher-order IVPs and BVPs: applications to certain types of real-life problems. - Mohamed Abdelhakem; A. Ahmed; Dumitru Baleanu; Mamdouh El-Kady (Comput. Appl. Math., 2022)

Enhanced shifted Tchebyshev operational matrix of derivatives: two spectral algorithms for solving even-order BVPs. - Mohamed Abdelhakem; Dina Abdelhamied; Mamdouh El-Kady; Youssri Hassan Youssri (J. Appl. Math. Comput., 2023)

Chebyshev polynomial derivative-based spectral tau approach for solving high-order differential equations. - Marwa Gamal; Mahmoud A. Zaky; Mamdouh El-Kady; Mohamed Abdelhakem (Comput. Appl. Math., 2024)