Seven papers discuss topics like Java-based distributed debuggers, encoding neural networks, narrow-banded linear systems, mapping strategies, parallel multiplication of a vector by a Kronecker product of matrices, parallel sparse matrix algorithms for air pollution models, and band preconditioners. Each paper is preceded by an abstract. Diagrams, charts, and other illustrations are included. Contributors are computer scientists from around the world. Annotation c. Book News, Inc., Portland, OR (booknews.com)