All-at-once preconditioning in PDE-constrained optimization. - Tyrone Rees; Martin Stoll; Andy J. Wathen (Kybernetika, 2010)

Block-triangular preconditioners for PDE-constrained optimization. - Tyrone Rees; Martin Stoll (Numer. Linear Algebra Appl., 2010)

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

Preconditioning Iterative Methods for the Optimal Control of the Stokes Equations. - Tyrone Rees; Andrew J. Wathen (SIAM J. Sci. Comput., 2011)

Projected Krylov Methods for Saddle-Point Systems. - Nicholas I. M. Gould; Dominique Orban; Tyrone Rees (SIAM J. Matrix Anal. Appl., 2014)

Null-Space Preconditioners for Saddle Point Systems. - Jennifer Pestana; Tyrone Rees (SIAM J. Matrix Anal. Appl., 2016)

A comparative study of null-space factorizations for sparse symmetric saddle point systems. - Tyrone Rees; Jennifer A. Scott (Numer. Linear Algebra Appl., 2018)

Convergence and evaluation-complexity analysis of a regularized tensor-Newton method for solving nonlinear least-squares problems. - Nicholas I. M. Gould; Tyrone Rees; Jennifer A. Scott (Comput. Optim. Appl., 2019)

'FitBenchmarking': an open source 'Python' package comparing data fitting software. - Anders Markvardsen; Tyrone Rees; Michael Wathen; Andrew Lister; Patrick Odagiu; Atijit Anuchitanukul; Tom Farmer; Anthony Lim; Federico Montesino; Tim Snow; Andrew McCluskey (J. Open Source Softw., 2021)

Two-Level Nyström-Schur Preconditioner for Sparse Symmetric Positive Definite Matrices. - Hussam Al Daas; Tyrone Rees; Jennifer A. Scott (SIAM J. Sci. Comput., 2021)

An Element-Based Preconditioner for Mixed Finite Element Problems. - Tyrone Rees; Michael Wathen (SIAM J. Sci. Comput., 2021)

Efficient Algebraic Two-Level Schwarz Preconditioner for Sparse Matrices. - Hussam Al Daas; Pierre Jolivet; Tyrone Rees (SIAM J. Sci. Comput., 2023)

Multipreconditioning with directional sweeping methods for high-frequency Helmholtz problems. - Niall Bootland; Tyrone Rees (CoRR, 2024)