Institution: | 1. Department of Mathematics, Hanoi Pedagogical University 2, Vinh Phuc, Viet Nam;2. ICRTM, Institute of Mathematics, VAST, 18 Hoang Quoc Viet Road, Hanoi, Viet Nam;1. College of Electrical Engineering and Automation, Shandong University of Science and Technology, Qingdao 266590, China;2. Science and Information College, Qingdao Agricultural University, Qingdao 266109, China;1. School of Electrical and Information Engineering, Shantou University, Shantou 515063, China;2. College of Automation Science and Engineering, South China University of Technology, Guangzhou 510640, China;3. School of Electrical Engineering, Tel Aviv University, Tel Aviv 69978, Israel;4. Institute of Advanced Technology, Nanjing University of Posts and Telecommunications, Nanjing 210023, China |