The Ordered Structure Team of the Faculty of Sciences (University of Tunis El Manar, Tunisia) was created in 1999 by Professors Mohamed Basly and Abdelmajid TRIKI. They are now enjoying retirement. Professor Karim Boulabiar was the first  Ph.D. candidate who completed his post graduate studies under the supervision of the founders of the team.  Professor Boulabiar is currenlty the chair of the team.

Main research interests of the team include, among others,  Commutative Algebra, Functional Analysis, Genaral Topology, Ordered Algebraic Structures, Operator Theory, and their applications.