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Articles (68)
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A Jacobi–Davidson-type projection method for nonlinear eigenvalue problems

Timo Betcke, Heinrich Voss

Journal:

Future Generation Computer Systems

Année:

2004

Langue:

english

Fichier:

PDF, 134 KB

english, 2004

Condition number estimates for combined potential integral operators in acoustics and their boundary element discretisation

T. Betcke, S.N. Chandler-Wilde, I.G. Graham, S. Langdon, M. Lindner

Journal:

Numerical Methods for Partial Differential Equations

Année:

2011

Langue:

english

Fichier:

PDF, 352 KB

english, 2011

Monitoring and remote failure detection of grid-connected PV systems based on satellite observations

A. Drews, A.C. de Keizer, H.G. Beyer, E. Lorenz, J. Betcke, W.G.J.H.M. van Sark, W. Heydenreich, E. Wiemken, S. Stettler, P. Toggweiler, S. Bofinger, M. Schneider, G. Heilscher, D. Heinemann

Journal:

Solar Energy

Année:

2007

Langue:

english

Fichier:

PDF, 1.71 MB

english, 2007

Acoustic Wave Field Reconstruction From Compressed Measurements With Application in Photoacoustic Tomography

Betcke, Marta M., Cox, Ben T., Huynh, Nam, Zhang, Edward Z., Beard, Paul C., Arridge, Simon R.

Journal:

IEEE Transactions on Computational Imaging

Année:

2017

Langue:

english

Fichier:

PDF, 1.77 MB

english, 2017

Stability and convergence of the method of fundamental solutions for Helmholtz problems on analytic domains

A.H. Barnett, T. Betcke

Journal:

Journal of Computational Physics

Année:

2008

Langue:

english

Fichier:

PDF, 1.56 MB

english, 2008

The development of a pseudo-3D imaging system (tomosynthesis) for security screening of passenger baggage

C.B. Reid, M.M. Betcke, D. Chana, R.D. Speller

Journal:

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

Année:

2011

Langue:

english

Fichier:

PDF, 411 KB

english, 2011

Solar spectral irradiance derived from satellite data: A tool to improve thin film PV performance estimations?

Behrendt, Tanja, Kuehnert, Jan, Hammer, Annette, Lorenz, Elke, Betcke, Jethro, Heinemann, Detlev

Journal:

Solar Energy

Année:

2013

Langue:

english

Fichier:

PDF, 2.39 MB

english, 2013

Iterated preconditioned LSQR method for inverse problems on unstructured grids

Arridge, S R, Betcke, M M, Harhanen, L

Journal:

Inverse Problems

Année:

2014

Langue:

english

Fichier:

PDF, 1.05 MB

english, 2014

A Fast Parallel Solver for the Forward Problem in Electrical Impedance Tomography

Jehl, Markus, Dedner, Andreas, Betcke, Timo, Aristovich, Kirill, Klofkorn, Robert, Holder, David

Journal:

IEEE Transactions on Biomedical Engineering

Année:

2015

Langue:

english

Fichier:

PDF, 646 KB

english, 2015

Restarting projection methods for rational eigenproblems arising in fluid‐solid vibrations

Betcke, M. M., Voss, H.

Journal:

Mathematical Modelling and Analysis

Année:

2008

Langue:

english

Fichier:

PDF, 696 KB

english, 2008

A fast boundary element method for the scattering analysis of high-intensity focused ultrasound

van 't Wout, Elwin, Gélat, Pierre, Betcke, Timo, Arridge, Simon

Journal:

The Journal of the Acoustical Society of America

Année:

2015

Langue:

english

Fichier:

PDF, 7.48 MB

english, 2015

Solving inverse electromagnetic scattering problems via domain derivatives

Hagemann, Felix, Arens, Tilo, Betcke, Timo, Hettlich, Frank

Journal:

Inverse Problems

Année:

2019

Langue:

english

Fichier:

PDF, 2.67 MB

english, 2019

In vivo and in vitro recombination of Lambda DNA in CaCl2 transfection

A. Betcke, M. Pfeifer, Ch. Pöhlmann, M. Kurth, M. Hartmann, D.-H. Liebscher

Journal:

Journal of Basic Microbiology

Année:

1980

Langue:

english

Fichier:

PDF, 819 KB

english, 1980

Factors which influence CaCl2 dependent transfection of Lambda DNA in Escherichia coli K12 recipients

M. Pfeifer, Ch. Pöhlmann, A. Betcke, M. Kurth, D.-H. Liebscher

Journal:

Journal of Basic Microbiology

Année:

1980

Langue:

english

Fichier:

PDF, 693 KB

english, 1980

Perturbation, extraction and refinement of invariant pairs for matrix polynomials

Timo Betcke, Daniel Kressner

Journal:

Linear Algebra and its Applications

Année:

2011

Langue:

english

Fichier:

PDF, 435 KB

english, 2011

Electron energy level calculations for semiconductor nanostructures

Marta M. Betcke, Heinrich Voss

Journal:

PAMM

Année:

2007

Langue:

english

Fichier:

PDF, 78 KB

english, 2007

Stationary Schrödinger equations governing electronic states of quantum dots in the presence of spin-orbit splitting

Marta M. Betcke, Heinrich Voss

Journal:

Applications of Mathematics

Année:

2007

Langue:

english

Fichier:

PDF, 216 KB

english, 2007

Food & bev: anyone for a tasty beverage?

Frank Lipnizki, Carl-Erik Nielsen, Robert Betcke, Jose D. Caprio

Journal:

Filtration + Separation

Année:

2006

Langue:

english

Fichier:

PDF, 469 KB

english, 2006

Numerical Estimation of Coercivity Constants for Boundary Integral Operators in Acoustic Scattering

Betcke, T., Spence, E. A.

Journal:

SIAM Journal on Numerical Analysis

Année:

2011

Langue:

english

Fichier:

PDF, 616 KB

english, 2011

The Generalized Singular Value Decomposition and the Method of Particular Solutions

Betcke, Timo

Journal:

SIAM Journal on Scientific Computing

Année:

2008

Langue:

english

Fichier:

PDF, 267 KB

english, 2008

An Exponentially Convergent Nonpolynomial Finite Element Method for Time-Harmonic Scattering from Polygons

Barnett, A. H., Betcke, T.

Journal:

SIAM Journal on Scientific Computing

Année:

2010

Langue:

english

Fichier:

PDF, 565 KB

english, 2010

Optimal Scaling of Generalized and Polynomial Eigenvalue Problems

Betcke, T.

Journal:

SIAM Journal on Matrix Analysis and Applications

Année:

2009

Langue:

english

Fichier:

PDF, 545 KB

english, 2009

Computations of Eigenvalue Avoidance in Planar Domains

T. Betcke, L. N. Trefethen

Journal:

PAMM

Année:

2004

Langue:

english

Fichier:

PDF, 343 KB

english, 2004

Numerical simulation of electronic properties of coupled quantum dots on wetting layers

Betcke, M M, Voss, H

Journal:

Nanotechnology

Année:

2008

Langue:

english

Fichier:

PDF, 1.86 MB

english, 2008

NLEVP

Betcke, Timo, Higham, Nicholas J., Mehrmann, Volker, Schröder, Christian, Tisseur, Françoise

Journal:

ACM Transactions on Mathematical Software

Année:

2013

Langue:

english

Fichier:

PDF, 438 KB

english, 2013

A Jacobi–Davidson-type projection method for nonlinear eigenvalue problems

Betcke, T

Journal:

Future Generation Computer Systems

Année:

2003

Langue:

english

Fichier:

PDF, 134 KB

english, 2003

DNA methyltransferase genes of Bacillus subtilis phages: comparison of their nucleotide sequences

Tran-Betcke, A., Behrens, B., Noyer-Weidner, M., Trautner, T.A.

Journal:

Gene

Année:

1986

Langue:

english

Fichier:

PDF, 710 KB

english, 1986

Reviving the Method of Particular Solutions

Timo Betcke and Lloyd N. Trefethen

Journal:

SIAM Review

Année:

2005

Langue:

english

Fichier:

PDF, 1.87 MB

english, 2005

Stroke type differentiation using spectrally constrained multifrequency EIT: evaluation of feasibility in a realistic head model

Malone, Emma, Jehl, Markus, Arridge, Simon, Betcke, Timo, Holder, David

Journal:

Physiological Measurement

Année:

2014

Langue:

english

Fichier:

PDF, 832 KB

english, 2014

[IEEE 2013 IEEE Grenoble PowerTech - Grenoble, France (2013.06.16-2013.06.20)] 2013 IEEE Grenoble Conference - Effects of variation of temporal resolution on domestic power and solar irradiance measurements

Bucher, Christof, Betcke, Jethro, Andersson, Goran

Année:

2013

Langue:

english

Fichier:

PDF, 272 KB

english, 2013

Quantum mushroom billiards

Barnett, Alex H., Betcke, Timo

Journal:

Chaos An Interdisciplinary Journal of Nonlinear Science

Année:

2007

Langue:

english

Fichier:

PDF, 1.88 MB

english, 2007

Reviving the Method of Particular Solutions

Betcke, Timo, Trefethen, Lloyd N.

Journal:

SIAM Review

Année:

2005

Langue:

english

Fichier:

PDF, 903 KB

english, 2005

Spectral decompositions and nonnormality of boundary integral operators in acoustic scattering

Betcke, T., Phillips, J., Spence, E. A.

Journal:

IMA Journal of Numerical Analysis

Année:

2014

Langue:

english

Fichier:

PDF, 1.20 MB

english, 2014

Feasibility Study of Time-of-Flight Compton Scatter Imaging Using Picosecond Length X-Ray Pulses

Calvert, Nick, Betcke, Marta M., Deacon, Alick N., Gleeson, Anthony J., Hill, Clive, McIntosh, Peter A., Mitchell, Lawrence O., Morton, Edward J., Ollier, James, Procter, Mark G., Speller, Robert D.

Journal:

IEEE Transactions on Nuclear Science

Année:

2014

Langue:

english

Fichier:

PDF, 1.32 MB

english, 2014

The factorization method for three dimensional electrical impedance tomography

Chaulet, N, Arridge, S, Betcke, T, Holder, D

Journal:

Inverse Problems

Année:

2014

Langue:

english

Fichier:

PDF, 1.07 MB

english, 2014

Multi-sheet surface rebinning methods for reconstruction from asymmetrically truncated cone beam projections: I. Approximation and optimality

Betcke, Marta M, Lionheart, William R B

Journal:

Inverse Problems

Année:

2013

Langue:

english

Fichier:

PDF, 921 KB

english, 2013

A GSVD formulation of a domain decomposition method forplanar eigenvalue problems

Betcke, T.

Journal:

IMA Journal of Numerical Analysis

Année:

2006

Langue:

english

Fichier:

PDF, 603 KB

english, 2006

SPIE Proceedings [SPIE SPIE BiOS - San Francisco, California, United States (Saturday 7 February 2015)] Photons Plus Ultrasound: Imaging and Sensing 2015 - A real-time ultrasonic field mapping system using a Fabry Pérot single pixel camera for 3D photoacoustic imaging

Oraevsky, Alexander A., Wang, Lihong V., Huynh, Nam, Zhang, Edward, Betcke, Marta, Arridge, Simon, Beard, Paul, Cox, Ben

Année:

2015

Langue:

english

Fichier:

PDF, 1.04 MB

english, 2015

Multi-sheet surface rebinning methods for reconstruction from asymmetrically truncated cone beam projections: II. Axial deconvolution

Betcke, Marta M, Lionheart, William R B

Journal:

Inverse Problems

Année:

2013

Langue:

english

Fichier:

PDF, 418 KB

english, 2013

SPIE Proceedings [SPIE SPIE Defense + Security - Baltimore, Maryland, United States (Monday 20 April 2015)] Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Security, Defense, and Law Enforcement XIV - The use of short and wide x-ray pulses for time-of-flight x-ray Compton Scatter Imaging in cargo security

Carapezza, Edward M., Calvert, Nick, Betcke, Marta M., Cresswell, John R., Deacon, Alick N., Gleeson, Anthony J., Judson, Daniel S., Mason, Peter, McIntosh, Peter A., Morton, Edward J., Nolan, Paul J.

Année:

2015

Langue:

english

Fichier:

PDF, 440 KB

english, 2015

Solving Boundary Integral Problems with BEM++

Śmigaj, Wojciech, Betcke, Timo, Arridge, Simon, Phillips, Joel, Schweiger, Martin

Journal:

ACM Transactions on Mathematical Software

Année:

2015

Langue:

english

Fichier:

PDF, 3.67 MB

english, 2015

The boundary element method for light scattering by ice crystals and its implementation in BEM++

Groth, S.P., Baran, A.J., Betcke, T., Havemann, S., Śmigaj, W.

Journal:

Journal of Quantitative Spectroscopy and Radiative Transfer

Année:

2015

Langue:

english

Fichier:

PDF, 1.05 MB

english, 2015

Single-pixel optical camera for video rate ultrasonic imaging

Huynh, Nam, Zhang, Edward, Betcke, Marta, Arridge, Simon, Beard, Paul, Cox, Ben

Journal:

Optica

Année:

2016

Langue:

english

Fichier:

PDF, 1.31 MB

english, 2016

SPIE Proceedings [SPIE SPIE BiOS - San Francisco, California, United States (Saturday 1 February 2014)] Photons Plus Ultrasound: Imaging and Sensing 2014 - Patterned interrogation scheme for compressed sensing photoacoustic imaging using a Fabry Perot planar sensor

Oraevsky, Alexander A., Wang, Lihong V., Huynh, Nam, Zhang, Edward, Betcke, Marta, Arridge, Simon, Beard, Paul, Cox, Ben

Année:

2014

Langue:

english

Fichier:

PDF, 714 KB

english, 2014

Correcting electrode modelling errors in EIT on realistic 3D head models

Jehl, Markus, Avery, James, Malone, Emma, Holder, David, Betcke, Timo

Journal:

Physiological Measurement

Année:

2015

Langue:

english

Fichier:

PDF, 1.95 MB

english, 2015

Multicontrast MRI Reconstruction with Structure-Guided Total Variation

Ehrhardt, Matthias J., Betcke, Marta M.

Journal:

SIAM Journal on Imaging Sciences

Année:

2016

Langue:

english

Fichier:

PDF, 5.71 MB

english, 2016

On the adjoint operator in photoacoustic tomography

Arridge, Simon R, Betcke, Marta M, Cox, Ben T, Lucka, Felix, Treeby, Brad E

Journal:

Inverse Problems

Année:

2016

Langue:

english

Fichier:

PDF, 1.07 MB

english, 2016

[IEEE 2016 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting - Fajardo, PR, USA (2016.6.26-2016.7.1)] 2016 IEEE International Symposium on Antennas and Propagation (APSURSI) - Building integral equation methods with the open-source library BEM++

van't Wout, Elwin, Betcke, Timo, Scroggs, Matthew

Année:

2016

Langue:

english

Fichier:

PDF, 364 KB

english, 2016

Overresolving in the Laplace Domain for Convolution Quadrature Methods

Betcke, T., Salles, N., Śmigaj, W.

Journal:

SIAM Journal on Scientific Computing

Année:

2017

Langue:

english

Fichier:

PDF, 979 KB

english, 2017

SPIE Proceedings [SPIE SPIE BiOS - San Francisco, California, United States (Saturday 28 January 2017)] Optical Tomography and Spectroscopy of Tissue XII - Diffuse optical tomography based on time-resolved compressive sensing

Tromberg, Bruce J., Yodh, Arjun G., Sevick-Muraca, Eva M., Alfano, Robert R., Farina, A., Betcke, M., Di Sieno, L., Bassi, A., Ducros, N., Pifferi, A., Valentini, G., Arridge, S., D'Andrea, C.

Année:

2017

Langue:

english

Fichier:

PDF, 474 KB

english, 2017