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ORCIDJennifer A. Scott
Person information
- affiliation: University of Reading, UK
- affiliation (former): Computational Science and Engineering Department, Rutherford Appleton Laboratory, Chilton, Oxfordshire, UK
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Journal Articles
- 2024
[j58]Jaroslav M. Fowkes
, Nicholas I. M. Gould, Jennifer A. Scott:
Approximating sparse Hessian matrices using large-scale linear least squares. Numer. Algorithms 96(4): 1675-1698 (2024)- [j57]Jennifer A. Scott, Miroslav Tuma:
Avoiding Breakdown in Incomplete Factorizations in Low Precision Arithmetic. ACM Trans. Math. Softw. 50(2): 9:1-9:25 (2024) - 2022
- [j56]Jennifer A. Scott, Miroslav Tuma:
A null-space approach for large-scale symmetric saddle point systems with a small and non zero (2, 2) block. Numer. Algorithms 90(4): 1639-1667 (2022) - [j55]Hussam Al Daas, Pierre Jolivet, Jennifer A. Scott:
A Robust Algebraic Domain Decomposition Preconditioner for Sparse Normal Equations. SIAM J. Sci. Comput. 44(3): 1047- (2022) - [j54]Jennifer A. Scott, Miroslav Tuma:
A Computational Study of Using Black-box QR Solvers for Large-scale Sparse-dense Linear Least Squares Problems. ACM Trans. Math. Softw. 48(1): 5:1-5:24 (2022) - 2021
- [j53]Hussam Al Daas, Tyrone Rees, Jennifer A. Scott:
Two-Level Nyström-Schur Preconditioner for Sparse Symmetric Positive Definite Matrices. SIAM J. Sci. Comput. 43(6): A3837-A3861 (2021) - [j52]Jennifer A. Scott, Miroslav Tuma:
Strengths and Limitations of Stretching for Least-squares Problems with Some Dense Rows. ACM Trans. Math. Softw. 47(1): 1:1-1:25 (2021) - 2020
- [j51]Ieva Dauzickaite, Amos S. Lawless, Jennifer A. Scott, Peter Jan van Leeuwen:
Spectral estimates for saddle point matrices arising in weak constraint four-dimensional variational data assimilation. Numer. Linear Algebra Appl. 27(5) (2020) - 2019
- [j50]Nicholas I. M. Gould, Tyrone Rees, Jennifer A. Scott:
Convergence and evaluation-complexity analysis of a regularized tensor-Newton method for solving nonlinear least-squares problems. Comput. Optim. Appl. 73(1): 1-35 (2019) - [j49]Jennifer A. Scott, Miroslav Tuma:
Sparse Stretching for Solving Sparse-Dense Linear Least-Squares Problems. SIAM J. Sci. Comput. 41(3): A1604-A1625 (2019) - 2018
- [j48]Edmond Chow, Hartwig Anzt, Jennifer A. Scott, Jack J. Dongarra:
Using Jacobi iterations and blocking for solving sparse triangular systems in incomplete factorization preconditioning. J. Parallel Distributed Comput. 119: 219-230 (2018) - [j47]Jennifer A. Scott, Miroslav Tuma:
A Schur complement approach to preconditioning sparse linear least-squares problems with some dense rows. Numer. Algorithms 79(4): 1147-1168 (2018) - [j46]Tyrone Rees, Jennifer A. Scott:
A comparative study of null-space factorizations for sparse symmetric saddle point systems. Numer. Linear Algebra Appl. 25(1) (2018) - [j45]Sangye Lungten, Wil H. A. Schilders, Jennifer A. Scott:
Preordering saddle-point systems for sparse LDLT factorization without pivoting. Numer. Linear Algebra Appl. 25(5) (2018) - [j44]James L. Hook, Jennifer A. Scott, Françoise Tisseur, Jonathan D. Hogg:
A Max-Plus Approach to Incomplete Cholesky Factorization Preconditioners. SIAM J. Sci. Comput. 40(4): A1987-A2004 (2018) - 2017
- [j43]Jennifer A. Scott, Miroslav Tuma:
Improving the stability and robustness of incomplete symmetric indefinite factorization preconditioners. Numer. Linear Algebra Appl. 24(5) (2017) - [j42]Jennifer A. Scott:
On Using Cholesky-Based Factorizations and Regularization for Solving Rank-Deficient Sparse Linear Least-Squares Problems. SIAM J. Sci. Comput. 39(4) (2017) - [j41]Jennifer A. Scott, Miroslav Tuma:
Solving Mixed Sparse-Dense Linear Least-Squares Problems by Preconditioned Iterative Methods. SIAM J. Sci. Comput. 39(6) (2017) - [j40]Nicholas I. M. Gould, Jennifer A. Scott:
The State-of-the-Art of Preconditioners for Sparse Linear Least-Squares Problems. ACM Trans. Math. Softw. 43(4): 36:1-36:35 (2017) - [j39]Jonathan D. Hogg, Jennifer A. Scott, Sue Thorne:
Numerically Aware Orderings for Sparse Symmetric Indefinite Linear Systems. ACM Trans. Math. Softw. 44(2): 13:1-13:22 (2017) - 2016
- [j38]Jennifer A. Scott, Miroslav Tuma:
Preconditioning of Linear Least Squares by Robust Incomplete Factorization for Implicitly Held Normal Equations. SIAM J. Sci. Comput. 38(6) (2016) - [j37]Jonathan D. Hogg, Evgueni E. Ovtchinnikov, Jennifer A. Scott:
A Sparse Symmetric Indefinite Direct Solver for GPU Architectures. ACM Trans. Math. Softw. 42(1): 1:1-1:25 (2016) - [j36]Nicholas I. M. Gould, Jennifer A. Scott:
A Note on Performance Profiles for Benchmarking Software. ACM Trans. Math. Softw. 43(2): 15:1-15:5 (2016) - 2015
- [j35]Jonathan D. Hogg, Jennifer A. Scott:
On the use of suboptimal matchings for scaling and ordering sparse symmetric matrices. Numer. Linear Algebra Appl. 22(4): 648-663 (2015) - 2014
- [j34]Mario Arioli, Jennifer A. Scott:
Chebyshev acceleration of iterative refinement. Numer. Algorithms 66(3): 591-608 (2014) - [j33]Jennifer A. Scott, Yifan Hu:
Level-based heuristics and hill climbing for the antibandwidth maximization problem. Numer. Linear Algebra Appl. 21(1): 51-67 (2014) - [j32]Jonathan D. Hogg, Jennifer A. Scott:
Compressed Threshold Pivoting for Sparse Symmetric Indefinite Systems. SIAM J. Matrix Anal. Appl. 35(2): 783-817 (2014) - [j31]Jennifer A. Scott, Miroslav Tuma:
On Positive Semidefinite Modification Schemes for Incomplete Cholesky Factorization. SIAM J. Sci. Comput. 36(2) (2014) - [j30]Jennifer A. Scott, Miroslav Tuma:
On Signed Incomplete Cholesky Factorization Preconditioners for Saddle-Point Systems. SIAM J. Sci. Comput. 36(6) (2014) - [j29]Jennifer A. Scott, Miroslav Tuma:
HSL_MI28: An Efficient and Robust Limited-Memory Incomplete Cholesky Factorization Code. ACM Trans. Math. Softw. 40(4): 24:1-24:19 (2014) - 2013
- [j28]Jonathan D. Hogg, Jennifer A. Scott:
New Parallel Sparse Direct Solvers for Multicore Architectures. Algorithms 6(4): 702-725 (2013) - [j27]Jonathan D. Hogg, Jennifer A. Scott:
An efficient analyse phase for element problems. Numer. Linear Algebra Appl. 20(3): 397-412 (2013) - [j26]Jonathan D. Hogg, Jennifer A. Scott:
Optimal Weighted Matchings for Rank-Deficient Sparse Matrices. SIAM J. Matrix Anal. Appl. 34(4): 1431-1447 (2013) - [j25]Jonathan D. Hogg, Jennifer A. Scott:
Pivoting strategies for tough sparse indefinite systems. ACM Trans. Math. Softw. 40(1): 4:1-4:19 (2013) - 2011
- [j24]John K. Reid, Jennifer A. Scott:
Partial factorization of a dense symmetric indefinite matrix. ACM Trans. Math. Softw. 38(2): 10:1-10:19 (2011) - 2010
- [j23]H. Sue Dollar, Jennifer A. Scott:
A note on fast approximate minimum degree orderings for symmetric matrices with some dense rows. Numer. Linear Algebra Appl. 17(1): 43-55 (2010) - [j22]Jonathan D. Hogg, John K. Reid, Jennifer A. Scott:
Design of a Multicore Sparse Cholesky Factorization Using DAGs. SIAM J. Sci. Comput. 32(6): 3627-3649 (2010) - [j21]Jonathan D. Hogg, Jennifer A. Scott:
A fast and robust mixed-precision solver for the solution of sparse symmetric linear systems. ACM Trans. Math. Softw. 37(2): 17:1-17:24 (2010) - [j20]Jennifer A. Scott:
Scaling and pivoting in an out-of-core sparse direct solver. ACM Trans. Math. Softw. 37(2): 19:1-19:23 (2010) - 2009
- [j19]John K. Reid, Jennifer A. Scott:
Algorithm 891: A fortran virtual memory system. ACM Trans. Math. Softw. 36(1): 5:1-5:12 (2009) - [j18]John K. Reid, Jennifer A. Scott:
An out-of-core sparse Cholesky solver. ACM Trans. Math. Softw. 36(2): 9:1-9:33 (2009) - 2007
- [j17]Nicholas I. M. Gould, Jennifer A. Scott, Yifan Hu:
A numerical evaluation of sparse direct solvers for the solution of large sparse symmetric linear systems of equations. ACM Trans. Math. Softw. 33(2): 10 (2007) - [j16]Jennifer A. Scott, Yifan Hu:
Experiences of sparse direct symmetric solvers. ACM Trans. Math. Softw. 33(3): 18 (2007) - 2006
- [j15]John K. Reid, Jennifer A. Scott:
Reducing the Total Bandwidth of a Sparse Unsymmetric Matrix. SIAM J. Matrix Anal. Appl. 28(3): 805-821 (2006) - 2005
- [j14]Yifan Hu, Jennifer A. Scott:
Ordering techniques for singly bordered block diagonal forms for unsymmetric parallel sparse direct solvers. Numer. Linear Algebra Appl. 12(9): 877-894 (2005) - [j13]Iain S. Duff, Jennifer A. Scott:
Stabilized bordered block diagonal forms for parallel sparse solvers. Parallel Comput. 31(3-4): 275-289 (2005) - 2004
- [j12]Iain S. Duff, Jennifer A. Scott:
A parallel direct solver for large sparse highly unsymmetric linear systems. ACM Trans. Math. Softw. 30(2): 95-117 (2004) - [j11]Nicholas I. M. Gould, Jennifer A. Scott:
A numerical evaluation of HSL packages for the direct solution of large sparse, symmetric linear systems of equations. ACM Trans. Math. Softw. 30(3): 300-325 (2004) - 2003
- [j10]Jennifer A. Scott:
Parallel frontal solvers for large sparse linear systems. ACM Trans. Math. Softw. 29(4): 395-417 (2003) - 2002
- [j9]John K. Reid, Jennifer A. Scott:
Implementing Hager's exchange methods for matrix profile reduction. ACM Trans. Math. Softw. 28(4): 377-391 (2002) - 2001
- [j8]John K. Reid, Jennifer A. Scott:
Reversing the row order for the row-by-row frontal method. Numer. Linear Algebra Appl. 8(1): 1-6 (2001) - [j7]Yifan Hu, Jennifer A. Scott:
A Multilevel Algorithm for Wavefront Reduction. SIAM J. Sci. Comput. 23(4): 1352-1375 (2001) - 1999
- [j6]Jennifer A. Scott:
A new row ordering strategy for frontal solvers. Numer. Linear Algebra Appl. 6(3): 189-211 (1999) - [j5]Iain S. Duff, Jennifer A. Scott:
A frontal code for the solution of sparse positive-definite symmetric systems arising from finite-element applications. ACM Trans. Math. Softw. 25(4): 404-424 (1999) - 1998
- [j4]Nicholas I. M. Gould, Jennifer A. Scott:
Sparse Approximate-Inverse Preconditioners Using Norm-Minimization Techniques. SIAM J. Sci. Comput. 19(2): 605-625 (1998) - 1996
- [j3]Iain S. Duff, Jennifer A. Scott:
The Design of a New Frontal Code for Solving Sparse, Unsymmetric Systems. ACM Trans. Math. Softw. 22(1): 30-45 (1996) - 1995
- [j2]Jennifer A. Scott:
An Arnoldi Code for Computing Selected Eigenvalues of Sparse, Real, Unsymmetric Matrices. ACM Trans. Math. Softw. 21(4): 432-475 (1995) - 1993
- [j1]Iain S. Duff, Jennifer A. Scott:
Computing Selected Eigenvalues of Sparse Unsymmetric Matrices Using Subspace Iteration. ACM Trans. Math. Softw. 19(2): 137-159 (1993)
Conference and Workshop Papers
- 2006
- [c3]John K. Reid, Jennifer A. Scott:
The Design of a New Out-of-Core Multifrontal Solver. PARA 2006: 598-607 - 2004
- [c2]Jennifer A. Scott, Yifan Hu, Nicholas I. M. Gould:
An Evaluation of Sparse Direct Symmetric Solvers: An Introduction and Preliminary Findings. PARA 2004: 818-827 - 1996
- [c1]Iain S. Duff, Jennifer A. Scott:
Frontal Software for the Solution of Sparse Linear Equations. PARA 1996: 227-238
Informal and Other Publications
- 2024
- [i10]Jennifer A. Scott, Miroslav Tuma:
Avoiding breakdown in incomplete factorizations in low precision arithmetic. CoRR abs/2401.17957 (2024) - [i9]Jennifer A. Scott, Miroslav Tuma:
A note on incomplete Cholesky factorizations in half precision arithmetic. CoRR abs/2403.13123 (2024) - 2021
- [i8]Ieva Dauzickaite, Amos S. Lawless, Jennifer A. Scott, Peter Jan van Leeuwen:
Randomised preconditioning for the forcing formulation of weak constraint 4D-Var. CoRR abs/2101.07249 (2021) - [i7]Hussam Al Daas, Tyrone Rees, Jennifer A. Scott:
Two-level Nyström-Schur preconditioner for sparse symmetric positive definite matrices. CoRR abs/2101.12164 (2021) - [i6]Ieva Dauzickaite, Amos S. Lawless, Jennifer A. Scott, Peter Jan van Leeuwen:
On preconditioning the state formulation of incremental weak constraint 4D-Var. CoRR abs/2105.09802 (2021) - [i5]Jennifer A. Scott, Miroslav Tuma:
Solving large linear least squares with linear equality constraints. CoRR abs/2106.13142 (2021) - [i4]Hussam Al Daas, Pierre Jolivet, Jennifer A. Scott:
A Robust Algebraic Domain Decomposition Preconditioner for Sparse Normal Equations. CoRR abs/2107.09006 (2021) - 2019
- [i3]Ieva Dauzickaite, Amos S. Lawless, Jennifer A. Scott, Peter Jan van Leeuwen:
Spectral estimates for saddle point matrices arising in weak constraint four-dimensional variational data assimilation. CoRR abs/1908.07949 (2019) - 2013
- [i2]Jonathan D. Hogg, Jennifer A. Scott:
On the effects of scaling on the performance of Ipopt. CoRR abs/1301.7283 (2013) - [i1]Jonathan D. Hogg, Jennifer A. Scott:
Compressed threshold pivoting for sparse symmetric indefinite systems. CoRR abs/1305.2353 (2013)
Coauthor Index
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