Doctoral Thesis: Ahmed Aboubakr: Commutativity Theorems in Rings, 2017, University of Oviedo, Department of Mathematics, Spain.

Ahmed Aboubakr; Santos Gonzalez. Generalized Derivations on Lie Ideals in Semiprime Rings. Beitr?ge zur Algebra und Geometrie / Contributions to Algebra and Geometry. 57 - 4, pp. 841 - 850. (Germany): 2016. Available online at http://link.springer.com/article/10.1007/s13366-016-029-3

Ahmed Aboubakr; Santos Gonz?lez. Generalized Reverse Derivations on Semiprime Rings. Siberian Mathematical Journal. 56 - 2, pp. 199 - 205. (Serbia): 2015. Available online at http://link.springer.com/article/10.1134/S0037446615020019 .

Ahmed Aboubakr; M. El-Soufi. Generalized Derivations on Jordan Ideals in Prime Rings. Turkish Journal of Mathematics. 38 - 2, pp. 233 - 239. (Turkey): 2014. Available online at http://dergipark.gov.tr/download/article-file/127078.

- Master Thesis: Rings with Derivations and Other Maps. Faculty of Science. Fayoum(Egypt): Fayoum University, 2013

Ahmed Aboubakr and Santos Gonz?lez, Center-like Subsets in Prime Rings with Generalized Derivations, Accepted

Ahmed Aboubakr and Santos Gonz?lez, Orthogonality of Two Left and Right Generalized Derivations on Ideals in Semiprime Rings, Under review.

Symmetric Generalized Biderivations on Jordan Ideals in Prime Rings, International Conference on Algebra and its Applications (ICAA-2017) City of event: FST Errachidia, Morocco Dates of event: 26 - 29/07/2017 Organising entity: Faculté des Sciences et Techniques d'Errachidia (FST)

Orthogonality of Two Left and Right Generalized Derivations on Ideals in Semiprime Rings, V JORNADAS DOCTORALES City of event: Mieres, Principality of Asturias, Spain Dates of event: 17- 18/12/2015 Organising entity: Universidad de Oviedo, Spain

On One Sided Ideals of a Semiprime Rings with Multiplicative (Generalized)-Derivations, National conference of Mathematics (NCM). City of the event: Cairo, Egypt. Dates of event: 14 - 16/12/2014. Organising entity: Egyptian Mathematical Society. City organizing entity: Cairo, Egypt

Generalized Derivations on Lie Ideals in Semiprime Rings, Workshop of the project MTM 2010-18370-C03, City of event: Oviedo, Principality of Asturias, Spain Dates of event: 13 - 15/11/2014 Organising entity: Universidad de Oviedo, Spain.