The Center for Theoretical Sciences was established on August 1, 1997 by the National Science Council, Republic of China. The Center is located on the campus of National Tsing Hua University, Hsinchu, Taiwan with National Tsing Hua University and the adjacent National Chiao Tung University act as co-host. The goals of the Center are: 1. To advance progress in research in mathematics and theoretical physics. 2. To recruit outstanding mathematicians and theoretical physicists to join the Center. 3. To encourage cross-disciplinary and inter-regional research cooperation in both mathematics and physics. 4. To promote international exchange and collaboration with global scientists. The Center aims to be the center of excellence in mathematics and physics in the Asia-Pacific region.