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Chunguang Sun;Chunguang Sun;PhD Pennsylvania State University, 1991;Welcome To My Home Page!; I am a Research Associate in the;; Advanced Computing Research Institute ,;; Cornell Theory Center .;I am also affiliated with the;Cornell Computational Optimization Project .;I work closely with Professor;Thomas F. Coleman .; Research Interests;Parallel scientific computing, sparse matrix;algorithms, numerical linear algebra and mathematical software.; Current Projects; pPCx: parallel linear programming; Parallel solution of rank-deficient sparse linear least squares problems; Parallel solution of sparse least squares problems with bounds; Software Packages for Sparse Matrix Computations; PSSLS: Parallel Solution of Sparse Least Squares Problems; PSSPD: Parallel Solution of Sparse Symmetric Positive Definite Systems;Recent Lectures;Parallel solution of sparse linear least squares problems;containing dense rows,;Second SIAM Conference on Sparse Matrices,;Coeur d'Alene, Idaho, October 9-11, 1996.;Parallel multifrontal solution of sparse linear least squares problems on;distributed-memory multiprocessors, Seventh SIAM Conference on Parallel;Processing for Scientific Computing, San Francisco, February 15-17, 1995.;Selected Publications; Parallel sparse orthogonal factorization;on distributed-memory multiprocessors,;SIAM Journal on Scientific Computing,;Vol.17, No.3, pp.666-685, May 1996.; Dealing with dense rows in the solution;of sparse linear least squares problems,;Cornell Theory Center Technical Report CTC94TR227,;Cornell University, December 1995.;Parallel solution of sparse linear least squares problems;on distributed-memory multiprocessors,;Cornell Theory Center Technical Report CTC94TR212, Cornell;University, May 1995.;Parallel multifrontal solution of sparse linear least squares problems on;distributed-memory multiprocessors,;Proceedings of the Seventh SIAM Conference;on Parallel Processing for Scientific Computing,;D. H. Bailey, P. E. Bjorstad, J. R. Gilbert, M. V. Mascagni, R. S. Schreiber,;H. D. Simon, V. J. Torczon, and L. T. Watson, eds.,;SIAM, Philadelphia, 1995,;pp.418-423.;A mapping algorithm for parallel sparse Cholesky;factorization(with A. Pothen),;SIAM Journal on Scientific Computing, Vol. 14, No. 5, pp.1253-1257,;September 1993.;Parallel orthogonal factorizations of large sparse matrices;on distributed-memory multiprocessors(with T. F. Coleman),;Proceedings of the Sixth SIAM Conference on Parallel Processing;for Scientific Computing,;R. F. Sinovec, D. E. Keyes, M. R. Leuze, L. R. Petzold, and D. A. Reed, eds.,;SIAM, Philadelphia, 1993, pp.457-461.;Distributed multifrontal factorization using clique trees(with A. Pothen),;Proceedings of the Fifth SIAM Conference on Parallel Processing;for Scientific Computing,;J. Dongarra, K. Kennedy, P. Messina, D. C. Sorensen and R. G. Voigt, eds.,;SIAM, Philadelphia, 1992, pp.34-40.;Compact clique tree data structures;in sparse matrix factorizations(with A. Pothen),;Large-Scale Numerical Optimization,;T. F. Coleman and Y. Li, eds.,;SIAM, Philadelphia, 1990, pp. 180-204.;Chunguang Sun;;Advanced Computing Research Institute; Cornell Theory Center; Cornell Univeristy; Ithaca, NY 18453; E-mail: csun@cs.cornell.edu; Phone : (607) 254-8863; Fax: (607) 254-8888;