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Ivan Graham

Prof

  • 6 WEST 1.24A

19942018

Fingerprint Fingerprint is based on mining the text of the person's scientific documents to create an index of weighted terms, which defines the key subjects of each individual researcher.

  • 3 Similar Profiles
Boundary Integral Method Mathematics
Acoustic Scattering Mathematics
Helmholtz Equation Mathematics
Helmholtz equation Engineering & Materials Science
Scattering Engineering & Materials Science
Preconditioner Mathematics
Domain Decomposition Mathematics
Mesh Mathematics

Network Recent external collaboration on country level. Dive into details by clicking on the dots.

Projects 2009 2013

Bifurcation Theory, Numerical Linear Algebra and Applications

Freitag, M. & Graham, I.

1/05/13 → 30/09/13

Project: UK charity

Numerical Analysis of Stochastic Partial Differential Equations

Graham, I.

1/05/12 → 12/09/12

Project: UK charity

Adaptive Multiscale Methods for Approximation and Preconditioning

Graham, I.

1/05/10 → 31/07/11

Project: Research council

numerical method
modeling
wave phenomena
wavelength
upscaling

EPSRC LMS Durham Symposia

Graham, I. & Scheichl, R.

1/03/10 → 30/11/10

Project: Research council

website
mathematics
event
accommodation
reputation

Boundary Integral Equation Methods for HF Scattering Problems

Graham, I. & Smyshlyaev, V. P.

24/03/09 → 23/09/12

Project: Research council

Boundary integral equations
Scattering
Industrial research
Polynomial approximation
Sonar

Research Output 1994 2018

Analysis of circulant embedding methods for sampling stationary random fields

Graham, I., Scheichl, R., Sloan, I. H., Kuo, F. Y. & Nuyens, D. 20 Mar 2018 (Accepted/In press) In : SIAM Journal on Numerical Analysis (SINUM). 27 p.

Research output: Contribution to journal › Article

Random Field
Regular hexahedron
Positive Definiteness
Circulant Matrix
Correlation Length

Circulant embedding with QMC -- analysis for elliptic PDE with lognormal coefficients

Graham, I., Kuo, F. Y., Nuyens, D., Scheichl, R. & Sloan, I. H. 3 May 2018 In : Numerische Mathematik. 31 p.

Research output: Contribution to journal › Article

Open Access
Quasi-Monte Carlo
Elliptic PDE
Monte Carlo methods
Random Field
Sampling
4 Citations

Domain decomposition preconditioning for high-frequency Helmholtz problems with absorption

Graham, I. G., Spence, E. A. & Vainikko, E. 2017 In : Mathematics of Computation. 86, 307, p. 2089-2127

Research output: Contribution to journal › Article

Open Access
File
Hermann Von Helmholtz
Domain Decomposition
Preconditioning
GMRES
Absorption

Domain decomposition preconditioning for the high-frequency time-harmonic Maxwell equations with absorption

Bonazzoli, M., Dolean, V., Graham, I., Spence, E. & Tournier , P-H. 2017 In : ArXiv e-prints. 37 p.

Research output: Contribution to journal › Article

Domain Decomposition
Preconditioning
Maxwell's equations
Preconditioner
Absorption

Recent results on domain decomposition preconditioning for the high-frequency Helmholtz equation using absorption

Graham, I., Spence, E. & Vainikko, E. 18 Feb 2017 Modern Solvers for Helmholtz Problems. Lahaye, D., Tang, J. & Vuik, K. (eds.). Basel, Germany: Birkhäuser Basel, (Geosystems Mathematics)

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Helmholtz equation
Decomposition
Wavelength
Pollution
Experiments