A numerical investigation of the quadratic numerical range of Hain-Lüst operators. - Ahmed Muhammad; Marco Marletta (Int. J. Comput. Math., 2013)

Computing the q-Numerical Range of Differential Operators. - Ahmed Muhammad; Faiza Abdullah Shareef (J. Appl. Math., 2020)

A novel approach to investigate the stability analysis and the dynamics of reaction-diffusion SVIR epidemic model. - Amer M. Salman; Mohd Hafiz Mohd; Ahmed Muhammad (Commun. Nonlinear Sci. Numer. Simul., 2023)