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Publisher: Society for Industrial and Applied Mathematics
Cullum, Jane K., Willoughby, Ralph A.
Dr. Jane K. Cullum is a member of the Technical Staff of the Computer and Computational Sciences Division at Los Alamos National Laboratory Dr. Ralph A. Willoughby (1923-2001) was a member of the Research Staff in the Mathematical Sciences Department in IBM Research from 1957-1991. He organized the first Symposium on Sparse Matrices (1968), and some have called him the "father" of sparse matrix theory. In addition to his work with Dr. Cullum on eigenvalue algorithms, he is also well known for his important contributions (with his colleagues at IBM) to the symbolic factorization of sparse matrices and to methods for the solution of stiff systems of differential equationsCullum, Jane K. is the author of 'Lanczos Algorithms for Large Symmetric Eigenvalue Computations Theory' with ISBN 9780898715231 and ISBN 0898715237.
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