Implicit-Factorization Preconditioning and Iterative Solvers for Regularized Saddle-Point Systems. - H. Sue Dollar; Nicholas I. M. Gould; Wil H. A. Schilders; Andrew J. Wathen (SIAM J. Matrix Anal. Appl., 2006)

Approximate Factorization Constraint Preconditioners for Saddle-Point Matrices. - H. Sue Dollar; Andrew J. Wathen (SIAM J. Sci. Comput., 2006)

Using constraint preconditioners with regularized saddle-point problems. - H. Sue Dollar; Nicholas I. M. Gould; Wil H. A. Schilders; Andy J. Wathen (Comput. Optim. Appl., 2007)

Constraint-Style Preconditioners for Regularized Saddle Point Problems. - H. Sue Dollar (SIAM J. Matrix Anal. Appl., 2007)

A note on fast approximate minimum degree orderings for symmetric matrices with some dense rows. - H. Sue Dollar; Jennifer A. Scott (Numer. Linear Algebra Appl., 2010)

Preconditioning Saddle-Point Systems with Applications in Optimization. - H. Sue Dollar; Nicholas I. M. Gould; Martin Stoll; Andrew J. Wathen (SIAM J. Sci. Comput., 2010)

Optimal Solvers for PDE-Constrained Optimization. - Tyrone Rees; H. Sue Dollar; Andrew J. Wathen (SIAM J. Sci. Comput., 2010)