Liu Ximeng nbnix@qq.com http://www.ntu.edu.sg/home/rxlu/seminars.htm Thank you Rongxing’s Homepage: http://www.ntu.edu.sg/home/rxlu/index.htm PPT available @: http://www.ntu.edu.sg/home/rxlu/seminars.htm http://www.ntu.edu.sg/home/rxlu/seminars.htm Ximeng’s Homepage: http://www.liuximeng.cn/