Publications
2011. On the Numerical Analysis of Oblique Projectors. SIAM Journal on Matrix Analysis and Applications. 32(1):309-348.
1997. The Triangular Matrices of Gaussian Elimination and Related Decompositions. IMA Journal of Numerical Analysis. 17(1):7-16.
1995. Gauss, Statistics, and Gaussian Elimination. Journal of Computational and Graphical Statistics. 4(1):1-11.
1998. On an Inexpensive Triangular Approximation to the Singular Value Decomposition. UMIACS-TR-97-75
1998. Two Algorithms for the The Efficient Computation of Truncated Pivoted QR Approximations to a Sparse Matrix. UMIACS-TR-98-12
2004. An Elsner-like perturbation theorem for generalized eigenvalues. Linear Algebra and its Applications. 390:1-5.
1997. On the weighting method for least squares problems with linear equality constraints. BIT Numerical Mathematics. 37(4):961-967.
1999. The QLP Approximation to the Singular Value Decomposition. SIAM Journal on Scientific Computing. 20(4):1336-1348.
1997. On markov chains with sluggish transients. Communications in Statistics. Stochastic Models. 13(1):85-94.
1999. Four algorithms for the efficient computation of truncated pivoted QR approximations to a sparse matrix. Numerische Mathematik. 83(2):313-323.
1998. When Two Hands Are Better Than One: Enhancing Collaboration Using Single Display Groupware. CHI’98. Extended Abstracts. :287-288.
1999. Single display groupware: a model for co-present collaboration. Proceedings of the SIGCHI conference on Human factors in computing systems: the CHI is the limit. :286-293.