Professor für Theoretische Chemie, Ludwig-Maximilians-Universität München

Laboratoire interdisciplinaire Carnot de Bourgogne

Associate Professor of Mathematics, Morgan State University, Baltimore, MD, USA

Professor, Deptt. of Mathematics, IIT Roorkee, Roorkee, India

Professor, INSA Rouen Normandie

Georgia Institute of Technology

Full Professor, Department of Mathematics, Faculty of Science, Al-Balqa Applied University

Kwame Nkrumah University of Science and Technology

American Mathematical Society

Professor of Electrical Engineering, The University of the West Indies