| Affiliation: | 1. Faculty of Mathematics and Computational Science, Xiangtan University, Hunan 411105, PR China;2. Nonlinear Analysis and Applied Mathematics (NAAM) Research Group, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia;1. Department of Mathematical Informatics, Graduate School of Information Science and Technology, The University of Tokyo, Tokyo, Japan;2. Cybermedia Center, Osaka University, Osaka, Japan;3. Department of Mathematics, The University of Auckland, Auckland, New Zealand;1. University of Wyoming, Department of mathematics, Laramie, WY 82071-3036, United States;2. Montanuniversität Leoben, Lehrstuhl für angewandte mathematik, Peter-Tunner-Straße 25-27, 8700 Leoben, Austria;3. Bielefeld University, Fakultät für Mathematik, Universitätsstraße 25, 33615 Bielefeld, Germany;4. Department of Mathematics and Applied Mathematics, University of Pretoria, Lynwood Road, Hatfield, Pretoria 0083, South Africa |
