Research output per year
Research output per year
Search results
-
2022
Applying GMRES to the Helmholtz equation with strong trapping: how does the number of iterations depend on the frequency?
Marchand, P., Galkowski, J., Spence, A. & Spence, E. A., 31 Aug 2022, In: Advances in Computational Mathematics. 48, 4, 63 p., 37.Research output: Contribution to journal › Article › peer-review
Open Access -
2021
Flexible Krylov Methods for Edge Enhancement in Imaging
Gazzola, S., Scott, S. & Spence, A., 18 Oct 2021, In: Journal of Imaging. 7, 10, 216.Research output: Contribution to journal › Article › peer-review
Open Access -
2017
Dynamics of cumulative innovation in complex social systems (DCICSS)
Room, G., Spence, A., Evangelou, E., Zeppini, P., Pugliese, E. & Napolitano, L., 2017, University of Bath.Research output: Book/Report › Book
Open AccessFile202 Downloads (Pure) -
2014
Calculating the $H_{\infty}$-norm Using the Implicit Determinant Method
Freitag, M. A., Spence, A. & Van Dooren, P., 31 Dec 2014, In: SIAM Journal On Matrix Analysis and Applications (SIMAX). 35, 2, p. 619-635 17 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile -
Interdisciplinary teaching of computing to mathematics students: Programming and discrete mathematics
Davenport, J. H., Wilson, D., Graham, I., Sankaran, G., Spence, A., Blake, J. & Kynaston, S., 2014, In: MSOR Connections. p. 1-8 8 p.Research output: Contribution to journal › Article › peer-review
File -
The calculation of the distance to a nearby defective matrix
Akinola, R. O., Freitag, M. A. & Spence, A., May 2014, In: Numerical Linear Algebra with Applications. 21, 3, p. 403-414Research output: Contribution to journal › Article › peer-review
-
The computation of Jordan blocks in parameter-dependent matrices
Akinola, R. O., Freitag, M. A. & Spence, A., Jul 2014, In: IMA Journal of Numerical Analysis. 34, 3, p. 955-976 22 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile -
2013
A new approach for calculating the real stability radius
Freitag, M. A. & Spence, A., 23 Nov 2013, In: BIT Numerical Mathematics. 54, 2, p. 381-400 20 p.Research output: Contribution to journal › Article › peer-review
-
2012
Lyapunov inverse iteration for identifying Hopf bifurcations in models of incompressible flow
Elman, H. C., Meerbergen, K., Spence, A. & Wu, M., 2012, In: SIAM Journal on Scientific Computing. 34, 3, p. A1584-A1606 23 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile -
Lyapunov inverse iteration for stability analysis using computational fluid dynamics
Timme, S., Badcock, K. J., Wu, M. & Spence, A., 2012.Research output: Contribution to conference › Paper
4 Citations (SciVal) -
2011
A Newton-based method for the calculation of the distance to instability
Freitag, M. A. & Spence, A., 15 Dec 2011, In: Linear Algebra and its Applications. 435, 12, p. 3189-3205 17 p.Research output: Contribution to journal › Article › peer-review
Open Access -
2010
Inverse iteration for purely imaginary eigenvalues with application to the detection of Hopf bifurcations in large-scale problems
Meerbergen, K. & Spence, A., 2010, In: SIAM Journal On Matrix Analysis and Applications (SIMAX). 31, 4, p. 1982-1999 18 p.Research output: Contribution to journal › Article › peer-review
-
Shift-invert Arnoldi's method with preconditioned iterative solves
Freitag, M. A. & Spence, A., 2010, In: SIAM Journal On Matrix Analysis and Applications (SIMAX). 31, 3, p. 942-969 28 p.Research output: Contribution to journal › Article › peer-review
-
2009
Inexact inverse subspace iteration with preconditioning applied to non-Hermitian eigenvalue problems
Robbé, M., Sadkane, M. & Spence, A., 2009, In: SIAM Journal On Matrix Analysis and Applications (SIMAX). 31, 1, p. 92-113 22 p.Research output: Contribution to journal › Article › peer-review
File -
The calculation of the distance to instability by the computation of a Jordan block
Freitag, M. & Spence, A., 11 Aug 2009, Linear and Nonlinear Eigenproblems for PDEs. Zurich: European Mathematical Society, p. 274-275 (Oberwolfach Reports; vol. 37/2009).Research output: Chapter or section in a book/report/conference proceeding › Chapter in a published conference proceeding
-
2008
A tuned preconditioner for inexact inverse iteration applied to Hermitian eigenvalue problems
Freitag, M. A. & Spence, A., 2008, In: IMA Journal of Numerical Analysis. 28, 3, p. 522-551 30 p.Research output: Contribution to journal › Article › peer-review
-
Rayleigh quotient iteration and simplified Jacobi-Davidson method with preconditioned iterative solves
Freitag, M. A. & Spence, A., 15 Apr 2008, In: Linear Algebra and its Applications. 428, 8-9, p. 2049-2060 12 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile -
2007
Convergence of inexact inverse iteration with application to preconditioned iterative solves
Freitag, M. & Spence, A., Mar 2007, In: BIT Numerical Mathematics. 47, 1, p. 27-44 18 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile -
Convergence theory for inexact inverse iteration applied to the generalised nonsymmetric eigenproblem
Freitag, M. & Spence, A., 2007, In: Electronic Transactions on Numerical Analysis. 28, p. 40-67 28 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile24 Citations (SciVal)95 Downloads (Pure) -
Is the transcript from the overlapping region of two converging genes part of either gene?
Spence, A., 2007, In: BMC Systems Biology. 1, Suppl, p. 11-Research output: Contribution to journal › Article › peer-review
File -
2006
Analysis of box schemes for reactive flow problems
Mitchell, S., Morton, K. & Spence, A., Jan 2006, In: SIAM Journal on Scientific Computing. 27, 4, p. 1202-1225 24 p.Research output: Contribution to journal › Article › peer-review
File -
Inexact inverse iteration for symmetric matrices
Berns-Müller, J., Graham, I. G. & Spence, A., 15 Jul 2006, In: Linear Algebra and its Applications. 416, 2-3, p. 389-413 25 p.Research output: Contribution to journal › Article › peer-review
File -
Inexact inverse iteration with variable shift for nonsymmetric generalised Eigenvalue problems
Berns-Miller, J. & Spence, A., Dec 2006, In: SIAM Journal on Matrix Analysis and Applications. 28, 4, p. 1069-1082 14 p.Research output: Contribution to journal › Article › peer-review
-
Shift for nonsymmetric generalised eigenvalue problems
Berns-Muller, J. & Spence, A., Dec 2006, In: SIAM Journal On Matrix Analysis and Applications (SIMAX). 28, 4, p. 1069-1082 14 p.Research output: Contribution to journal › Article › peer-review
File -
2005
Photonic band structure calculations using nonlinear eigenvalue techniques
Spence, A. & Poulton, C., Mar 2005, In: Journal of Computational Physics. 204, 1, p. 65-81 17 p.Research output: Contribution to journal › Article › peer-review
File -
2003
Inverse Iteration for Nonlinear Eigenvalue Problems in Electromagnetic Scattering
Spence, A., Poulton, C. G. & Movchan, A. B. (Editor), Dec 2003.Research output: Contribution to conference › Paper
-
Parallel iterative methods for Navier-Stokes equations and application to eigenvalue computation
Graham, I. G., Spence, A. & Vainikko, E., Sept 2003, In: Concurrency and Computation-Practice & Experience. 15, 11-12, p. 1151-1168 18 p.Research output: Contribution to journal › Article › peer-review
-
2002
Eigenvalue and Parameter Estimation at Hopf Bifurcation
Spence, A., Estep, D. (Editor) & Tavener, S. J. (Editor), 2002.Research output: Contribution to conference › Paper
-
Parallel iterative methods for Navier-Stokes equations and application to stability assessment
Graham, I. G., Spence, A. & Vainikko, E., 2002, Euro-Par 2002 Parallel Processing, Proceedings. Vol. 2400. p. 705-714 10 p. (Lecture Notes in Computer Science).Research output: Chapter or section in a book/report/conference proceeding › Book chapter
2 Citations (SciVal)