The Educational Assistant in the Mathematics Department, Assistant Professor Dr. (Riyad Delfi Ali) participated in a committee to discuss the doctoral thesis of the student (Nabila Ibrahim Aziz) from the Department of Mathematics/College of Computer Science and Mathematics/University of Tikrit for her dissertation tagged (Bank Generalized alpha – Minimal- closed Set in Nano N* in Topological Space), on Wednesday 7/6/2022. The discussion committee consisted of: Dr. Ali Abdul Majeed Shehab, President Dr. Akram Salem Mohamed as a member Dr. Laith Khalil Shaker Member Dr. Afra Radi Sadiq Member Dr. Riyad Delfi Ali as a member Dr. Taha Hamid Jassim, supervisor and supervisor After the extensive scientific discussion and listening to the student’s defense of her thesis, the method of her research and the use of sources, the student obtained a full grade. Congratulations to the student, her supervisor, and the College of Computer Science and Mathematics for this achievement and for more creativity in the service of our beloved Iraq, the Iraq of science and scientists, and from God Almighty success.