Hammad, H., Hafez, H., Youssri, and E. H. Doha, "Exponential Jacobi-Galerkin method and its applications to multidimensional problems in unbounded domains", Applied Numerical Mathematics, vol. 157, pp. 88-109, 2020.
Abo-Gabal, H., Zaky, M.A., Hafez, H., and E. H. Doha, "On Romanovski–Jacobi polynomials and their related approximation results ", Numerical Methods for Partial Differential Equations, vol. 36, issue 6, pp. 1982-2017, 2020.
Ezz-Eldien, S. S., E. H., Doha, Wang, Y., and W. Cai, "A numerical treatment of the two-dimensional multi-term time-fractional mixed sub-diffusion and diffusion-wave equation", Communications in Nonlinear Science and Numerical Simulation, vol. 91, pp. 105445, 2020.
Alsuyuti, M.M., Doha, E.H., Ezz-Eldien, S.S., and I. K. Youssef, "Spectral Galerkin schemes for a class of multi-order fractional pantograph equations", Journal of Computational and Applied Mathematics, vol. 384, pp. 113157, 2021.
Zaky, M.A., Ameen, I.G., Elkot, N.A., and E. H. Doha, "A unified spectral collocation method for nonlinear systems of multidimensional integral equations with convergence analysis ", Applied Numerical Mathematics, vol. 161, pp. 27-45, 2021.
Ameen, I.G., Elkot, N.A., Zaky, M.A., Hendy, A.S., and E. H. Doha, "A pseudo-spectral scheme for systems of two-point boundary value problems with left and right sided fractional derivatives and related integral equations", CMES - Computer Modeling in Engineering and Sciences, vol. 128, issue 1, pp. 21-41, 2021.
Elkot, N.A., Zaky, M.A., Doha, E.H., and I. G. Ameen, "On the rate of convergence of the Legendre spectral collocation method for multidimensional nonlinear Volterra-Fredholm integral equations", Communications in Theoretical Physics, vol. 73, issue 2, pp. 025002, 2021.
Ameen, I.G., Zaky, M.A., and E. H. Doha, "Singularity preserving spectral collocation method for nonlinear systems of fractional differential equations with the right-sided Caputo fractional derivative", Journal of Computational and Applied Mathematics, vol. 392, pp. 113468, 2021.
Zaky, M.A., Abd El Kawy, M ostafa, Ezz-Eldien, S.S., and E. H. Doha, Pseudospectral methods for the Riesz space-fractional Schrödinger equation , : Fractional-Order Modeling of Dynamic Systems with Applications in Optimization Signal Processing, and Control, 2021.
Ramy M. Hafez, Magda Hammad, and E. H. Doha, "Fractional Jacobi Galerkin spectral schemes for multi-dimensional time fractional advection–diffusion–reaction equations", Engineering with Computers, vol. 38, pp. 841-858, 2022.
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