Institution: | 1. Department of Mathematics, The University of Iowa, Iowa City, IA 52242, United States of America;2. Department of Computer Studies and Mathematics, University of Dubuque, Dubuque, IA 52001, United States of America;1. Hong Kong University of Science and Technology, Hong Kong;2. University of Southern California, United States of America;1. Istanbul Technical University, Istanbul, Turkey;2. I??k University, Istanbul, Turkey |