Name: Eltayeb Abdellatif Mohamed Yousif.

Data of Birth: 01/01/1964.

Marital Status: Married.

Address: Department of Applied Mathematics, Faculty of Mathematical Sciences, University of Khartoum, P.O. Box 321 (Sudan).

E-mails: eltayeb1965@yahoo.com, eltayebyousif@gmail.com.