The use of the L-curve in the regularization of discrete ill-posed problems PC Hansen, DP O’Leary SIAM journal on scientific computing 14 (6), 1487-1503, 1993 | 2831 | 1993 |

Deblurring images: matrices, spectra, and filtering PC Hansen, JG Nagy, DP O'leary Siam, 2006 | 921 | 2006 |

Tikhonov regularization and total least squares GH Golub, PC Hansen, DP O'Leary SIAM journal on matrix analysis and applications 21 (1), 185-194, 1999 | 790 | 1999 |

A generalized conjugate gradient method for the numerical solution of elliptic partial differential equations P Concus, GH Golub, DP O'Leary Sparse matrix computations, 309-332, 1976 | 715 | 1976 |

The block conjugate gradient algorithm and related methods DP O'Leary Elsevier, 1980 | 510 | 1980 |

Multi-splittings of matrices and parallel solution of linear systems DP O’leary, RE White SIAM Journal on algebraic discrete methods 6 (4), 630-640, 1985 | 481 | 1985 |

Text summarization via hidden markov models JM Conroy, DP O'leary Proceedings of the 24th annual international ACM SIGIR conference on …, 2001 | 429 | 2001 |

Why do hubs in the yeast protein interaction network tend to be essential: reexamining the connection between the network topology and essentiality E Zotenko, J Mestre, DP O'Leary, TM Przytycka PLoS computational biology 4 (8), 2008 | 358 | 2008 |

Choosing regularization parameters in iterative methods for ill-posed problems ME Kilmer, DP O'Leary SIAM Journal on matrix analysis and applications 22 (4), 1204-1221, 2001 | 340 | 2001 |

A semidiscrete matrix decomposition for latent semantic indexing information retrieval TG Kolda, DP O'leary ACM Transactions on Information Systems (TOIS) 16 (4), 322-346, 1998 | 315 | 1998 |

Some history of the conjugate gradient and Lanczos algorithms: 1948–1976 GH Golub, DP O’Leary SIAM review 31 (1), 50-102, 1989 | 292 | 1989 |

A multigrid method enhanced by Krylov subspace iteration for discrete Helmholtz equations HC Elman, OG Ernst, DP O'leary SIAM Journal on scientific computing 23 (4), 1291-1315, 2001 | 270 | 2001 |

Regularization by truncated total least squares RD Fierro, GH Golub, PC Hansen, DP O'Leary SIAM Journal on Scientific Computing 18 (4), 1223-1241, 1997 | 269 | 1997 |

Restoring images degraded by spatially variant blur JG Nagy, DP O'Leary SIAM Journal on Scientific Computing 19 (4), 1063-1082, 1998 | 265 | 1998 |

A bidiagonalization-regularization procedure for large scale discretizations of ill-posed problems DP O’Leary, JA Simmons SIAM Journal on Scientific and Statistical Computing 2 (4), 474-489, 1981 | 181 | 1981 |

A weighted GCV method for Lanczos hybrid regularization J Chung, JG Nagy, DP O’Leary Electronic Transactions on Numerical Analysis 28 (Electronic Transactions on …, 2008 | 165 | 2008 |

Robust regression computation using iteratively reweighted least squares DP O’Leary SIAM Journal on Matrix Analysis and Applications 11 (3), 466-480, 1990 | 159 | 1990 |

Data-flow algorithms for parallel matrix computation DP O'leary, GW Stewart Communications of the ACM 28 (8), 840-853, 1985 | 126 | 1985 |

A generalized conjugate gradient algorithm for solving a class of quadratic programming problems DP O'Leary Linear Algebra and its Applications 34, 371-399, 1980 | 115 | 1980 |

Topic-focused multi-document summarization using an approximate oracle score JM Conroy, JD Schlesinger, DP O'Leary Proceedings of the COLING/ACL on Main conference poster sessions, 152-159, 2006 | 112 | 2006 |