[1]School of Mathematics and Information Sciences, Guangzhou University, Guangzhou 510006, China;
[1]School of Mathematics and Information Sciences, Guangzhou University, Guangzhou 510006, China;
[2]College of Mathematics and System Science, Xinjiang University, Urumqi 830046, China;
[3]School of Mathematical Sciences, Beijing Normal University, Laboratory of Mathematicsand Complex Systems, Ministry of Education, Beijing 100875, China;