Affiliation: | 1. School of Computer Science and Technology, Dongguan University of Technology, Dongguan 523808, PR China;2. Department of Mathematics, Southern University of Science and Technology, Shenzhen 518055, PR China;1. Department of Mathematical Sciences, Tsinghua University, Beijing 100084, PR China;2. School of Mathematical Sciences, Qufu Normal University, Qufu 273165, PR China;1. Department of Mathematics, University of the Basque Country UPV/EHU, 48080 Bilbao, Spain;2. CMUC, Department of Mathematics, University of Coimbra, 3001-501 Coimbra, Portugal;1. Graduate School of Science and Technology, Shizuoka University, Ohya 836, Shizuoka 422-8529, Japan;2. Department of Mathematics, Faculty of Science, Shizuoka University, Ohya 836, Shizuoka 422-8529, Japan;1. Institute of Mathematics, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan;2. Department of Mathematical and Statistical Sciences, University of Alberta, Edmonton, Alberta T6G 2G1, Canada;3. Centro de Altos Estudios en Ciencias Exactas, Avenida de Mayo 866, (1084), Buenos Aires, Argentina;4. Department of Applied Mathematics, Okayama University of Science, 1-1 Ridai-cho Kita-ku, Okayama, Okayama 700-0005, Japan |