Tommy Elfving

According to our database, Tommy Elfving authored at least 16 papers between 1982 and 2022.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2022

A new step size rule for the superiorization method and its application in computerized tomography.

Touraj Nikazad, Mokhtar Abbasi, L. Afzalipour, Tommy Elfving

Numer. Algorithms, 2022

2021

Convergence and Semi-convergence of a class of constrained block iterative methods.

Mahdi Mirzapour, Andrzej Cegielski, Tommy Elfving

CoRR, 2021

2018

Unmatched Projector/Backprojector Pairs: Perturbation and Convergence Analysis.

Tommy Elfving, Per Christian Hansen

SIAM J. Sci. Comput., 2018

2017

Erratum to: Convergence analysis for column-action methods in image reconstruction.

Tommy Elfving, Per Christian Hansen, Touraj Nikazad

Numer. Algorithms, 2017

Convergence analysis for column-action methods in image reconstruction.

Tommy Elfving, Per Christian Hansen, Touraj Nikazad

Numer. Algorithms, 2017

2012

Semiconvergence and Relaxation Parameters for Projected SIRT Algorithms.

Tommy Elfving, Per Christian Hansen, Touraj Nikazad

SIAM J. Sci. Comput., 2012

2009

A direct method for a regularized least-squares problem.

Tommy Elfving, Ingegerd Skoglund

Numer. Linear Algebra Appl., 2009

2008

On Diagonally Relaxed Orthogonal Projection Methods.

Yair Censor, Tommy Elfving, Gabor T. Herman, Touraj Nikazad

SIAM J. Sci. Comput., 2008

2007

A block-preconditioner for a special regularized least-squares problem.

Tommy Elfving, Ingegerd Skoglund

Numer. Linear Algebra Appl., 2007

2006

The application of an oblique-projected Landweber method to a model of supervised learning.

Björn Johansson, Tommy Elfving, Vladimir A. Kozlov, Yair Censor, Per-Erik Forssén, Gösta H. Granlund

Math. Comput. Model., 2006

2002

Block-Iterative Algorithms with Diagonally Scaled Oblique Projections for the Linear Feasibility Problem.

Yair Censor, Tommy Elfving

SIAM J. Matrix Anal. Appl., 2002

1998

Stability of Conjugate Gradient and Lanczos Methods for Linear Least Squares Problems.

Åke Björck, Tommy Elfving, Zdenek Strakos

SIAM J. Matrix Anal. Appl., July, 1998

1997

A Constrained Procrustes Problem.

Lars-Erik Andersson, Tommy Elfving

SIAM J. Matrix Anal. Appl., January, 1997

1995

Best Constrained Approximation in Hilbert Space and Interpolation by Cubic Splines Subject to Obstacles.

Lars-Erik Andersson, Tommy Elfving

SIAM J. Sci. Comput., 1995

1994

A multiprojection algorithm using Bregman projections in a product space.

Yair Censor, Tommy Elfving

Numer. Algorithms, 1994

1982

Some properties of stochastic labeling procedures.

Tommy Elfving, Jan-Olof Eklundh

Comput. Graph. Image Process., 1982