Belgees Qaraad

Some oscillation theorems for nonlinear second-order differential equations with an advanced argument

George E. Chatzarakis, Osama Moaaz, Tao Li et al. · Advances in Difference Equations · 2020 · 60 citations · Full text

An improved approach for studying oscillation of generalized Emden–Fowler neutral differential equation

Osama Moaaz, Elmetwally M. Elabbasy, Belgees Qaraad · Journal of Inequalities and Applications · 2020 · 45 citations · Full text

Neutral differential equations with distribution deviating arguments: Oscillation conditions

Belgees Qaraad, Omar Bazighifan, Taher A. Nofal et al. · Journal of Ocean Engineering and Science · 2022 · 21 citations · Full text

Oscillation Theory, New Criteria, Nonlinear Hyperbolic Problem +5

New Results for Kneser Solutions of Third-Order Nonlinear Neutral Differential Equations

Osama Moaaz, Belgees Qaraad, Rami Ahmad El‐Nabulsi et al. · Mathematics · 2020 · 19 citations · Full text

New Results, Certain Class, Kneser Solutions +4

New Oscillation Theorems for Second-Order Superlinear Neutral Differential Equations with Variable Damping Terms

Munirah Aldiaiji, Belgees Qaraad, Loredana Florentina Iambor et al. · Symmetry · 2023 · 16 citations · Full text

Damping Term, New Oscillation Theorems, Oscillation Theory +4