Volume 15 Number 1	December 1998

Research Scholars New Resources Summer Interns Contaminant Spread Liquid-Solid Flow Short Contact-Time Reactors Preconditioning Symposium Mantle Plumes Bioremediation Research Reports The innermost computational kernel of many large industrial numerical simulations is a large sparse matrix linear system. A recent survey indicated that more than 70% of supercomputer time is used for solving large linear systems. A great impact can be made if performance of these sparse matrix solvers can be improved. Storage requirements for three-dimensional simulations make direct methods prohibitively expensive. Iterative techniques become mandatory but lack the robustness of direct methods. Past emphasis has been devoted to exploring more powerful iterative solvers. These techniques did not have much initial impact, and experience indicates that a good preconditioner holds the key to an effective iterative solver. This conference, sponsored by the University of Minnesota Supercomputing Institute and the University of Waterloo in cooperation with SIAM Linear Algebra Group, brings researchers and engineers together to discuss recent developments and progress made as well as to exchange findings and explore possible new directions in this field. Invited speakers include Raymond Chan from The Chinese University of Hong Kong, Edmond Chow from Lawrence Livermore National Laboratory, Howard Elman from the University of Maryland, Charbel Farhat from the University of Colorado, Peter Forsyth from the University of Waterloo in Canada, David Keyes from the NASA Langley Research Center, John Lewis and Dan Pierce from Boeing Computer Service, Maya Neytcheva from the University of Nijimegen in The Netherlands, Willy Schilders from Philips Research Laboratories, Henk van der Vorst from Utrecht University in the Netherlands, and Justin Wan from Stanford University. Contributed papers are being solicited. Program Committee Yousef Saad, University of Minnesota, Conference Chair Daniel Pierce, Boeing Company, Program Co-Chair Wei-Pai Tang, University of Waterloo, Program Co-Chair Steve Ashby, Lawrence Livermore National Laboratory Alda Behie, Intera Consultants Limited Ake Bjorck, Linköping University, Sweden Tony Chan, University of California at Los Angeles Iain Duff, Rutherford Appleton Laboratory, United Kingdom John Gilbert, Xerox Palo Alto Research Center Esmond Ng, Oak Ridge National Laboratory Barry Smith, Argonne National Laboratory Horst Simon, Lawrence Berkeley National Laboratory Henk van der Vorst, Utrecht University, The Netherlands Registration and Contributed Papers Information about registration and contributing papers is available by sending email to sparse99@msi.umn.edu or at: www2.msi.umn.edu/Symposia/sparse99

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