Ayman Badawi is a Professor at the Department of Mathematical and Statistical Sciences at the American University of Sharjah, UAE. He holds a Ph.D. in Mathematics from the University of North Texas, Texas, USA. His research interests are in the area of commutative ring theory and graphs associated to rings. Dr. Badawi is the editor in chief of the Palestine Journal of Mathematics (PJM). He has numerous publications, including book chapters, journal articles, and conference proceedings.
Jim Coykendall is Professor of Mathematical Sciences at Clemson University, South Carolina, USA. He earned his Ph.D. from Cornell University, USA, in 1995, and has held various academic positions at the California Institute of Technology, the University of Tennessee, Cornell University, Lehigh University, and North Dakota State University. He has successfully guided 12 Ph.D. students. His research interests include commutative algebra and number theory.