Papers

• On signed incomplete Cholesky factorization preconditioners for saddle-point systems

  JA Scott; M Tuma;

  Type: Report

  Published in: Rutherford Appleton Laboratory Preprints (- 2022)

• A Sparse Direct Solver for GPUs

  J Hogg; E Ovtchinnikov; J Scott;

  Type: Presentation

• A GPU sparse symmetric indefinite solver with pivoting

  J Scott; J Hogg; E Ovtchinnikov;

  Type: Presentation

• Preconditioning of linear least-squares problems by identifying basic variables

  M Arioli; IS Duff;

  Type: Report

  Published in: Rutherford Appleton Laboratory Preprints (- 2022)

• Challenges in Sparse Linear Solvers

  JA Scott;

  Type: Presentation

• Sparse Communication Avoiding Pivoting

  JA Scott; JD Hogg;

  Type: Presentation

• Memory-Efficient Incomplete Factorizations for Sparse Symmetric Systems

  JA Scott; M Tuma;

  Type: Presentation

• An efficient dimer method with preconditioning and linesearch

  NIM Gould; C Ortner; D Packwood;

  Type: Report

  Published in: Rutherford Appleton Laboratory Technical Reports (- 2022)

• Compressed Threshold Pivoting for Sparse Symmetric Indefinite Systems

  JD Hogg; JA Scott;

  Type: Journal Article

  Published in: SIAM Journal on Matrix Analysis and Applications

• Fill-in reduction in sparse matrix factorizations using hypergraphs

  O Kaya; E Kayaaslan; B Ucar; IS Duff;

  Type: Preprint

  Published in: Numerical Linear Algebra with Applications

• An interior-point trust-funnel algorithm for nonlinear optimization using a squared-violation feasibility measure

  FE Curtis; NIM Gould; DP Robinson; PL Toint;

  Type: Report

  Published in: Rutherford Appleton Laboratory Technical Reports (- 2022)

• An interior-point trust-funnel algorithm for nonlinear optimization

  FE Curtis; NIM Gould; DP Robinson; PL Toint;

  Type: Report

  Published in: Rutherford Appleton Laboratory Preprints (- 2022)

• Level-based heuristics and hill climbing for the antibandwidth maximization problem

  J Scott; Y Hu;

  Type: Journal Article

  Published in: Numerical Linear Algebra with Applications

• On Signed Incomplete Cholesky Factorization Preconditioners for Saddle-Point Systems

  J Scott; M Tuma;

  Type: Journal Article

  Published in: SIAM Journal on Scientific Computing

• Projected Krylov Methods for Saddle-Point Systems

  N Gould; D Orban; T Rees;

  Type: Journal Article

  Published in: SIAM Journal on Matrix Analysis and Applications

• Partitioning strategies for the block Cimmino algorithm

  T Drummond; IS Duff; R Guivarch; D Ruiz; M Zenadi;

  Type: Preprint

  Published in: Rutherford Appleton Laboratory Preprints (- 2022)

• A sparse symmetric indefinite direct solver for GPU architectures

  J Hogg; E Ovtchinnikov; J Scott;

  Type: Preprint

  Published in: ACM Transactions on Mathematical Software

• A Filter Method with Unified Step Computation for Nonlinear Optimization

  NIM Gould; Y Loh; DP Robinson;

  Type: Journal Article

  Published in: SIAM Journal on Optimization

• Adapting augmented Lagrangian methods: algorithms and practical numerical experience

  FE Curtis; NIM Gould; H Jiang; DP Robinson;

  Type: Report

  Published in: Rutherford Appleton Laboratory Preprints (- 2022)

• Experiments using incomplete Cholesky factorization preconditioners for saddle-point systems arising in interior-point methods

  J Scott;

  Type: Report

• The null-space method and its relationship with matrix factorization for sparse saddle point systems

  T Rees; J Scott;

  Type: Report

  Published in: Rutherford Appleton Laboratory Technical Reports (- 2022)

• Chebyshev acceleration of iterative refinement

  M Arioli; J Scott;

  Type: Journal Article

  Published in: Numerical Algorithms

• HSL_MI28: An Efficient and Robust Limited-Memory Incomplete Cholesky Factorization Code

  J Scott; M Tuma;

  Type: Journal Article

  Published in: ACM Transactions on Mathematical Software

• On Positive Semidefinite Modification Schemes for Incomplete Cholesky Factorization

  J Scott; M Tuma;

  Type: Journal Article

  Published in: SIAM Journal on Scientific Computing

• A filter SQP method : local convergence and numerical results

  NIM Gould; Y Loh; DP Robinson;

  Type: Preprint

  Published in: SIAM Journal on Optimization

• Worst-case evaluation complexity of regularization methods for smooth unconstrained optimization using Hölder continuous gradients

  C Cartis; NIM Gould; PL Toint;

  Type: Preprint

  Published in: Optimization Methods and Software

• On the efficient scaling of sparse symmetric matrices using an auction algorithm

  JD Hogg; JA Scott;

  Type: Report

  Published in: Rutherford Appleton Laboratory Preprints (- 2022)

• Corrigendum: On the complexity of finding first-order critical points in constrained nonlinear optimization

  C Cartis; NIM Gould; PL Toint;

  Type: Preprint

  Published in: Mathematical Programming

• On the complexity of finding first-order critical points in constrained nonlinear optimization

  C Cartis; NI Gould; PL Toint;

  Type: Journal Article

  Published in: Mathematical Programming