Anderson, David F.; Badawi, Ayman The zero-divisor graph of a commutative semigroup: a survey. (English) Zbl 1436.20113 Droste, Manfred (ed.) et al., Groups, modules, and model theory – surveys and recent developments. In Memory of Rüdiger Göbel. Proceedings of the conference on new pathways between group theory and model theory, Mülheim an der Ruhr, Germany, February 1–4, 2016. Cham: Springer. 23-39 (2017). MSC: 20M14 05C25 PDFBibTeX XMLCite \textit{D. F. Anderson} and \textit{A. Badawi}, in: Groups, modules, and model theory -- surveys and recent developments. In Memory of Rüdiger Göbel. Proceedings of the conference on new pathways between group theory and model theory, Mülheim an der Ruhr, Germany, February 1--4, 2016. Cham: Springer. 23--39 (2017; Zbl 1436.20113) Full Text: DOI
Badawi, Ayman A characterization of normal subgroups via \(n\)-closed sets. (English) Zbl 1252.20027 Adv. Stud. Contemp. Math., Kyungshang 22, No. 2, 233-237 (2012). MSC: 20E07 20A05 PDFBibTeX XMLCite \textit{A. Badawi}, Adv. Stud. Contemp. Math., Kyungshang 22, No. 2, 233--237 (2012; Zbl 1252.20027) Full Text: arXiv
Badawi, Ayman Abstract algebra manual: problems and solutions. 2nd ed. (English) Zbl 1067.00001 New York, NY: Nova Science Publishers (ISBN 1-59033-924-X/hbk). vii, 117 p. (2004). Reviewer: Werner Kleinert (Berlin) MSC: 00A05 13-01 20-01 00A07 12-01 PDFBibTeX XMLCite \textit{A. Badawi}, Abstract algebra manual: problems and solutions. 2nd ed. New York, NY: Nova Science Publishers (2004; Zbl 1067.00001)
Badawi, Ayman Abstract algebra manual: problems and solutions. (English) Zbl 1068.00500 Huntington, NY: Nova Science Publishers (ISBN 1-560-72834-5/hbk). vii, 109 p. (2001). MSC: 00A05 13-01 20-01 PDFBibTeX XMLCite \textit{A. Badawi}, Abstract algebra manual: problems and solutions. Huntington, NY: Nova Science Publishers (2001; Zbl 1068.00500)