明天答辩

希望顺利通过啦，这样我生日的3个愿望就都实现了。外加一个大喜事，结婚。呵呵。

             ACKNOWLEDGEMENT

Special thanks are due to Professor Dongming Zhao for his inspiring supervision, valuable support and advice in the last two years when I was at University of Michigan – Dearborn for my master’s degree.

Thanks to my wife, Chengwen Laura Ni, who encourages and supports me all the time.

Thanks to Zuoshuang Xiang, Shuhuai Huang and Haoxing Wang for their related work and advices too.

I am also grateful to Professor Dongming Zhao, Professor Selim Awad and Professor Qiang Zhu for reviewing my thesis and attending my thesis defense.