Dr. Adel Abd Elaziz Abd Elhamid El-Sayed

Contact Information
Phone Number: 084 6338462 - 084 6344264
Fax Number: 084 6370025
E-mail Address: aaa18@fayoum.edu.eg
Office: Faculty of Science
Post Address:: Fayoum – Fayoum University – Faculty of Science - Mathematics Department POBox: 63514

Academic Qualifications

B.Sc.: Faculty of Science – Fayoum university – 2007

Academic Positions

Demonstrator: From 2009 To 2013

Assistant Lecturer: From 2013 To 2016

Lecturer: From 2016 To 2022

Assistant Professor: From 2022 Up Till Now

Research Interests

pure mathematics

Theses

A Numerical Study for Matrix Functions having Complex Eigenvalues Via Different Approximative Techniques

"On The Numerical Solutions of Fractional and Variable Order Differential Equations"

List Of Puplication

Non-standard finite difference and Chebyshev collocation methods for solving fractional diffusion equation

Numerical solution of multiterm variable order fractional differential equations via shifted Legendre polynomials.

A novel Jacobi operational matrix for numerical solution of multi-term variable-order fractional differential equations.

Vieta–Lucas polynomials for solving a fractional-order mathematical physics model.

Vieta-Fibonacci operational matrices for spectral solutions of variable-order fractional integro-differential equations.

Fractional-order advection-dispersion problem solution via the spectral collocation method and the non-standard finite difference technique.

A novel operational matrix for the numerical solution of nonlinear Lane–Emden system of fractional order.

A Numerical solution of the fractional-order logistic equation via the first-kind Dickson polynomials and spectral tau method.

Mohamed A. Ramadan and Adel A. El-Sayed, On the computation of matrix functions for square matrices having mixed eigenvalues using numerical hybrid method, International Journal of Nonlinear Science (IJNS), 1749-3897 (online).

Mohamed A. Ramadan and Adel A. El-Sayed, Matrix Functions Approximation For Square Matrices Using Newton’s Interpolation, J. Math. Comput. Sci. 3 (2013), No. 1, 38-56.

Mohamed A. Ramadan and Adel A. El-Sayed, Computing Matrix Function for some Matrices Using Sylvester’s method , International Conference of Mathematics, Egypt, Dec 2012.

N.H. Sweilam, A.M. Nagy and Adel A. El-Sayed, Second kind shifted Chebyshev polynomials for solving space fractional order diffusion equation, Chaos, Solitons & Fractals.73 (2015), 141-147

N.H. Sweilam, A.M. Nagy and Adel A. El-Sayed, On the numerical solution of space fractional order diffusion equation via shifted Chebyshev polynomials of the third kind, Journal of King Saud University - Science(JKSUS 316), (2015).

N.H. Sweilam, A.M. Nagy and Adel A. El-Sayed, Numerical approach for solving space fractional order diffusion equation using shifted Chebyshev polynomials of the fourth kind, Turkish Journal of Mathematics. DOI: 10.3906/mat-1503-20.

N.H. Sweilam, A.M. Nagy and Adel A. El-Sayed, Solving time-fractional order telegraph equation via Sinc-Legendre collocation method, Mediterr. J. Math.13 (2016), 5119-5133.

N.H. Sweilam, A.M. Nagy and Adel A. El-Sayed, Sinc-Chebyshev collocation method for time-fractional order telegraph equation, Sumitted.

N.H. Sweilam, A.M. Nagy and Adel A. El-Sayed, An accurate numerical technique for solving two-dimensional time fractional order diffusion equation, Sumitted.

N.H. Sweilam, A.M. Nagy and Adel A. El-Sayed, Third kind shifted Chebyshev operational matrix for solving fractional order differential equations, Sumitted.

N.H. Sweilam, A.M. Nagy and Adel A. El-Sayed, New operational matrix of Chebyshev fourth kind for solving multi-term variable order fractional differential equations, Sumitted.