On the Continuous Cancellative Semigroups on a Real Interval and on a Circle and Some Symmetry Issues. - Mariusz Bajger; Janusz Brzdek; El-Sayed El-Hady; Eliza Jablonska (Symmetry, 2020)

Stochastic geometric modelling and simulation of cellular systems for coverage probability characterization. - Hamed Nassar; Gehad Taher; El-Sayed El-Hady (CoRR, 2021)

On Ulam Stability of Functional Equations in 2-Normed Spaces - A Survey. - Anna Bahyrycz; Janusz Brzdek; El-Sayed El-Hady; Zbigniew Lesniak (Symmetry, 2021)

Stability Analysis for Differential Equations of the General Conformable Type. - Abdellatif Ben Makhlouf; El-Sayed El-Hady; Salah Boulaaras; Mohamed Ali Hammami (Complex., 2022)

On Ulam Stability of Functional Equations in 2-Normed Spaces - A Survey II. - El-Sayed El-Hady; Janusz Brzdek (Symmetry, 2022)

Stability of the Equation of q-Wright Affine Functions in Non-Archimedean (n, β)-Banach Spaces. - El-Sayed El-Hady; Iz-iddine El-Fassi (Symmetry, 2022)

On Nonlinear Ψ-Caputo Fractional Integro Differential Equations Involving Non-Instantaneous Conditions. - Ramasamy Arul; Panjayan Karthikeyan; Kulandhaivel Karthikeyan; Palanisamy Geetha; Ymnah Alruwaily; Lamya Almaghamsi; El-Sayed El-Hady (Symmetry, 2023)

Stability Results for Some Classes of Cubic Functional Equations. - El-Sayed El-Hady; Yamin Sayyari; Mehdi Dehghanian; Ymnah Alruwaily (Axioms, 2024)