Karim K. Ahmed

A new multiple image encryption algorithm using hyperchaotic systems, SVD, and modified RC5

Wassim Alexan, Mohamed Youssef, Hisham H. Hussein et al. · Scientific Reports · 2025 · 77 citations · Full text

Computing, Computer Engineering, Computer Science +14

Soliton Solutions and Other Solutions for Kundu–Eckhaus Equation with Quintic Nonlinearity and Raman Effect Using the Improved Modified Extended Tanh-Function Method

Karim K. Ahmed, Niveen Badra, Hamdy M. Ahmed et al. · Mathematics · 2022 · 66 citations · Full text

Natural Sciences, Mathematics, Physics +14

Soliton solutions of generalized Kundu-Eckhaus equation with an extra-dispersion via improved modified extended tanh-function technique

Karim K. Ahmed, Niveen Badra, Hamdy M. Ahmed et al. · Optical and Quantum Electronics · 2023 · 61 citations

Natural Sciences, Mathematics, Physics +13

Investigation of solitons in magneto-optic waveguides with Kudryashov’s law nonlinear refractive index for coupled system of generalized nonlinear Schrödinger’s equations using modified extended mapping method

Karim K. Ahmed, Niveen Badra, Hamdy M. Ahmed et al. · Nonlinear Analysis Modelling and Control · 2024 · 50 citations · Full text

Natural Sciences, Mathematics, Physics +17

Unveiling optical solitons and other solutions for fourth-order (2+1)-dimensional nonlinear Schrödinger equation by modified extended direct algebraic method

Karim K. Ahmed, Niveen Badra, Hamdy M. Ahmed et al. · Journal of Optics · 2024 · 37 citations

Natural Sciences, Mathematics, Physics +17