Supported by the Key Laboratory of Mathematics and Complex System(at Beijing Normal University) from the Ministry of Education of China,NSFC(No.10871024,No.10901017,No.11271175,No.11371057);SRFDP(No.20130003110003);NCET of China(No.NCET-11-0574);the Fundamental Research Funds for the Central Universities(No.FRF-TP-12-006B,No.2012CXQT09)
supported by the Key Laboratory on Mathematics and Complex System (at Beijing Normal University) from the Ministry of Education,China;supported by NSFC(No.10931001)