Affiliation: | 1. Department of Mathematics and Statistics, Gurukula Kangri Vishwavidyalaya, Haridwar, 249404 (Uttarakhand), India;2. Faculty of Mathematics, Uttaranchal University, Dehradun,248007 (Uttarakhand), India;1. Ministry of Education Key Laboratory for NSLSCS, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Mathematical Sciences, Nanjing Normal University, Nanjing, 210023, China;2. School of Mathematics, Nanjing University of Aeronautics and Astronautics, Nanjing, Jiangsu 211106, China;3. Key Laboratory of Mathematical Modelling and High Performance Computing of Air Vehicles (NUAA), MIIT, Nanjing, Jiangsu 211106, China;1. Faculty of Mathematics and Statistics, Ton Duc Thang University, Ho Chi Minh City, Vietnam;2. Institute of Engineering, Polytechnic of Porto, Dept. of Electrical Engineering, R. Dr. António Bernardino de Almeida, Porto 431, 4249-015, Portugal;3. Department of Mathematics, Yasouj University, Yasouj, Iran;1. Department of Mathematics, Nanjing University, Nanjing 210093, PR China;2. School of Mathematical Sciences, Qufu Normal University, Qufu 273165, PR China;3. Department of Mathematics, Nanjing University, State Key Laboratory for Novel Software Technology at Nanjing University, Nanjing 210093, PR China |