1. PhD (four years research) Badji-Mokhtar University , Annaba, Algeria (Feb 2004)

Non-selfadjoint Crossed products by some Commutative Discrete Semigroups and their Automorphisms

Superviser: Prof. S. Power

2. Mphil (two years research) University of Lancaster, UK, Operator algebras (Aug 1989).

Semicrossed Products, Matrices of analytic functions and their automorphisms (Prof .Power)

3. MSc. University of Leeds, UK , Pure mathematics (Sep 1985).

Automatic Continuity of Homomorphisms of Semisimple and Semiprime Banach Algebras.(Prof.  Dales)