Papers

• A comparative study of null-space factorizations for sparse symmetric saddle point systems

  T Rees; J Scott;

  Type: Journal Article

  Published in: Numerical Linear Algebra with Applications

• Using Jacobi iterations and blocking for solving sparse triangular systems in incomplete factorization preconditioning

  E Chow; H Anzt; J Scott; J Dongarra;

  Type: Journal Article

  Published in: Journal of Parallel and Distributed Computing

• Parallelization of the solve phase in a task-based Cholesky solver using a sequential task flow model

  S Cayrols; I Duff; F Lopez;

  Type: Report

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

• Sharp worst-case evaluation complexity bounds for arbitrary-order nonconvex optimization with inexpensive constraints

  C Cartis; NIM Gould; PhL Toint;

  Type: Preprint

  Published in: SIAM Journal on Optimization

• Uncovering hidden block structure

  IS Duff; PA Knight; L le Gorrec; S Mouysset; D Ruiz;

  Type: Preprint

  Published in: SIAM Journal on Mathematics of Data Science

• Experiments with sparse Cholesky using a sequential task-flow implementation

  I Duff; J Hogg; F Lopez;

  Type: Journal Article

  Published in: Numerical Algebra, Control & Optimization

• Sparse stretching for solving sparse-dense linear least-squares problems

  J Scott; M Tuma;

  Type: Preprint

  Published in: SIAM Journal on Scientific Computing

• Preordering saddle-point systems for sparse LDLT factorization without pivoting

  S Lungten; WH Schilders; JA Scott;

  Type: Journal Article

  Published in: Numerical Linear Algebra with Applications

• A new sparse symmetric indefinite solver using a posteriori threshold pivoting

  I Duff; J Hogg; F Lopez;

  Type: Report

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

• A Schur complement approach to preconditioning sparse linear least-squares problems with some dense rows

  J Scott; M Tůma;

  Type: Journal Article

  Published in: Numerical Algorithms

• A Max-Plus Approach to Incomplete Cholesky Factorization Preconditioners

  J Hook; J Scott; F Tisseur; J Hogg;

  Type: Journal Article

  Published in: SIAM Journal on Scientific Computing

• QPLIB: a library of quadratic programming instances

  F Furini; E Traversi; P Belotti; A Frangioni; A Gleixner; N Gould; L Liberti; A Lodi; R Misener; H Mittelmann; NV Sahinidis; S Vigerske; A Wiegele;

  Type: Journal Article

  Published in: Mathematical Programming Computation