This book constitutes the thoroughly refereed post-proceedings of the 4th International Conference on Parallel Processing and Applied Mathematics, PPAM 2002, held in Naleczow, Poland, in September 2001.The 101 papers presented were carefully reviewed and improved during two rounds of reviewing and revision.

Parallel, Distributed, and Grid Architectures.- Scheduling and Load Balancing.- Performance Analysis and Prediction.- Parallel Non-numerical Algorithms.- Parallel Programming.- Tools and Environments for Parallel and Distributed Processing.- Parallel Numerical Algorithms.- Applications of Parallel/Distributed Processing.- Evolutionary Computing and Neural Networks.- Numerical Methods and Their Applications.- Special Session on Parallel/Distributed Constraint Solving.- Minisymposium on Theoretical and Computational Methods in Hydrodynamics.- Minisymposium on Functional Differential Equations and Their Application.- Workshop on the Complex Systems Simulation.