Lawrence Livermore National Laboratory

Lawrence Livermore National Laboratory


David A Hysom


Email: hysom@llnl.gov
Phone: 925-424-4233


David Hysom works in the applied mathematics group in the Center for Applied Scientific Computing at Lawrence Livermore National Laboratory. He is currently  PI for the Sparta LDRD project, which is investigating scalable graph partitioners for hundreds of thousands of processors.

David earned his PhD in Computer Science (Dec 2001, expected), and MS in Computer Science (1997) from Old Dominion University. He was also awarded a BS in Sociology from The University of the State of New York in 1991.

Selected Publications

Hysom, David and Alex Pothen, "A Scalable Parallel Algorithm for Incomplete Factor Preconditioning," SIAM Journal
on Scientific Computing, in press.

Hysom, David and Alex Pothen, "Parallel ILU Ordering and Convergence Relationships: Numerical Experiments,"
NASA/CR-2000-210119 ICASE Report No. 2000-24, NASA Langley Research Center Hampton, VA 23681-2199, May
2000.

Hysom, David and Alex Pothen, "Efficient Parallel Computation of ILU(k) Preconditioners," CS99, ACM, November
1999.

Hysom, David and Alex Pothen, "Efficient Parallel Computation of ILU(k) Preconditioners," NASA/CR-2000-210120
ICASE Report No. 2000-23, NASA Langley Research Center Hampton, VA 23681-2199, May 2000.

Hysom, David and Alex Pothen, "Symmetric Reduction Redux: Incomplete Factors," Fifth Copper Mountain
Conference on Iterative Methods, Copper Mountain, Colorado, March 1998.