Affiliation: | 1. Department of Mathematics and Mechanics, China University of Mining and Technology, Xuzhou, Jiangsu, 221008, People?s Republic of China;2. Institute of Applied Mathematics, Qujing Normal University, Qujing 655011, People?s Republic of China;3. Department of Mathematics and Statistics, University of Victoria, Victoria, British Columbia V8W 3R4, Canada;4. National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, 199 Ren-ai Road, Suzhou 215123, People?s Republic of China;5. Department of Mathematics and Computer Sciences, Faculty of Arts and Sciences, Cankaya University, Ankara, 06530, Turkey;6. Department of Chemical and Materials Engineering, Faculty of Engineering, King Abdulaziz University, P.O. Box 80204, Jeddah, 21589, Saudi Arabia;7. Institute of Space Sciences, Magurele-Bucharest, Romania |