Iqbal H. Jebrilis Professor in the Department of Mathematics at Al-Zaytoonah University of Jordan, Amman, Jordan. He obtained his PhD from National University of Malaysia (UKM), Malaysia. His fields of research interest include Functional Analysis, Operator Theory and Fuzzy Logic. He has to his credit several prestigious Journal and Conference publications. He is also serving for several journals and conferences in different capacities. Hemen Dutta obtained his M.Phil and Ph.

D. both in Mathematics and also completed Post Graduate Diploma in Computer Application from Gauhati University, India. He is a regular teaching faculty member in the Department of Mathematics at Gauhati University, India. His current research interests include topics in nonlinear analysis and mathematical modelling. He is currently a regular and guest-editor of several SCI/SCIE indexed journals. He has also published several thematic issues in leading journals and books with reputed publishers. Ilwoo Cho obtained his Ph.D.

from University of Iowa, Department of Mathematics, USA. His major fields of research are Free Probability, Operator Theory, Operator Algebra, and Dynamical Systems. He is Full Professor of Saint Ambrose University, Department of Mathematics & Statistics, USA. He is also an Assistant Editor of Complex Analysis & Operator Theory and Mathematics Reviewer of American Mathematical Society.