Consists of 21 papers presented during a July 2001 conference held in China. The two longest papers discuss vortices in two-dimensional Bose-Einstein condensates and triple covers on smooth algebraic varieties. Other topics include propagation of singularities in compressible viscous fluids, scattering matrices and geodesics of locally symmetric spaces, general flattened Jaffe models for galaxies, and extension theorems for special holomorphic functions. No index. Annotation c. Book News, Inc., Portland, OR (booknews.com)