लेखक: Nguyen S. Hoang

Alexander G. Ramm, Ph D, is Professor in the Department of Mathematics at Kansas State University. Dr. Ramm serves as associate editor for several journals. Nguyen S. Hoang, Ph D, is Visiting Assistant Professor in the Department of Mathematics at the University of Oklahoma. He has published numerous journal articles in the areas of numerical analysis, operator theory, ordinary and partial differential equations, optimization, and inverse and ill-posed problems.