3 citations · 3 across the 3 of their papers we have counts for
3 papers
math.CO2026
Cofinality of Regular Tournaments
Omar Hatem, Sara Mohamed, Isabel Müller +1
We show that the class of all finite regular tournaments is cofinal in the class of finite tournaments. In addition, we establish cofinality results for certain special subclasses…
math.GR2025
A Group with Exactly One Noncommutator
Omar Hatem, Daoud Siniora
The question of whether there exists a finite group of order at least three in which every element except one is a commutator has remained unresolved in group theory. In this artic…
cs.CL2023★ 3 cited
ANER: Arabic and Arabizi Named Entity Recognition using Transformer-Based Approach
Abdelrahman "Boda" Sadallah, Omar Ahmed, Shimaa Mohamed +3
One of the main tasks of Natural Language Processing (NLP), is Named Entity Recognition (NER). It is used in many applications and also can be used as an intermediate step for othe…