Supported by the NSF of China(61203228);Mathematical Tianyuan Foundation(11226258);The Natural Science Foundation of Shanxi Province(2013011002-5);Program for the Outstanding Innovative Teams of Higher Learning Institutions of Shanxi,and The "131" talents of Shanxi University
Supported by the NSF of China(61203228,1107128);the Mathematical Tianyuan Foundation(11226258);the Sciences Foundation of Shanxi(2009011005-3);the Young Sciences Foundation of Shanxi(2011021001-1);the Foundation of University(YQ-2011045,JY-2011036)