Assist. Prof. Dr. (Mohammed Hassan Salloumi) in the Department of Mathematics participated as a member of the doctoral thesis discussion committee for student (Hassanin Qassam Zaidan Abdel Reda) from the Mathematics Department at the College of Education for Pure Sciences / University of Babylon for his thesis tagged (On Rational Map in the Complex Dynamics) . The discussion committee consisted of: Dr. Hussein Jaber Mayali (president) Dr. Iman Samir Bahia (Member) Dr. Zaher Debes Azzawi (Member) Dr. Mohamed Hassan Salloumi (Member) Dr. Murtada Muhammad Abdul-Kadhim (Member) Dr. Iftikhar Mudar is a member and supervisor After extensive scientific discussion and listening to the student’s defense of his thesis, his research method, and his use of sources and references, the thesis was approved with honors. Congratulations to the student, his supervisor, the College of Education for Pure Sciences, and the University of Babylon for this achievement, and God Almighty grants success and payment.