A. A. Ammar

Oscillations and global attractivity in delay differential equations of population dynamics

Afaf A. S. Zaghrout, A. A. Ammar, M. M. A. El-Sheikh · Applied Mathematics and Computation · 1996 · 30 citations

Time Delay System, Global Attractivity, Population Dynamic +5

Mathematical analysis of a food-web model

Hassan M. El‐Owaidy, A. A. Ammar · Mathematical Biosciences · 1986 · 16 citations

Food Web Interaction, Food-web Model, Trophic Web +1

Performance analysis of different opportunistic access based on secondary users priority using licensed channels in Cognitive radio networks

Ahmed T. El-Toukhey, A. A. Ammar, Mohsen M. Tantawy et al. · 2017 · 16 citations

Dynamic Spectrum Management, New Scheme, Cognitive Radio Resource Management +10

Stable oscillations in a predator-prey model with time lag

Hassan M. El‐Owaidy, A. A. Ammar · Journal of Mathematical Analysis and Applications · 1988 · 11 citations

Predator-prey Interaction, Oscillation Theory, Stable Oscillations +2

An efficient technique for out-of-band power reduction for the eliminated CP-STC-shaped system for 5G requirements

Mohamed Yasin I. Afifi, Mohamed S. Elbakry, El-Sayed Soliman A. Said et al. · International Journal of Power Electronics and Drive Systems/International Journal of Electrical and Computer Engineering · 2020 · 10 citations · Full text