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Author ID: elfving.tommy Recent zbMATH articles by "Elfving, Tommy"
Published as: Elfving, Tommy; Elfving, T.

Publications by Year

Citations contained in zbMATH Open

40 Publications have been cited 1,925 times in 1,337 Documents Cited by Year
A multiprojection algorithm using Bregman projections in a product space. Zbl 0828.65065
Censor, Yair; Elfving, Tommy
814
1994
The multiple-sets split feasibility problem and its applications for inverse problems. Zbl 1089.65046
Censor, Yair; Elfving, Tommy; Kopf, Nirit; Bortfeld, Thomas
447
2005
Block-iterative methods for consistent and inconsistent linear equations. Zbl 0416.65031
Elfving, Tommy
81
1980
Accelerated projection methods for computing pseudoinverse solutions of systems of linear equations. Zbl 0409.65022
Björck, Åke; Elfving, Tommy
75
1979
Block-iterative algorithms with diagonally scaled oblique projections for the linear feasibility problem. Zbl 1028.90034
Censor, Yair; Elfving, Tommy
45
2002
On diagonally relaxed orthogonal projection methods. Zbl 1159.65317
Censor, Yair; Elfving, Tommy; Herman, Gabor T.; Nikazad, Touraj
42
2008
Averaging strings of sequential iterations for convex feasibility problems. Zbl 1160.65320
Censor, Y.; Elfving, T.; Herman, G. T.
35
2001
Criteria for copositive matrices using simplices and barycentric coordinates. Zbl 0826.15016
Andersson, Lars-Erik; Chang, Gengzhe; Elfving, Tommy
26
1995
Semi-convergence properties of Kaczmarz’s method. Zbl 1296.65054
Elfving, Tommy; Hansen, Per Christian; Nikazad, Touraj
26
2014
New methods for linear inequalities. Zbl 0479.65039
Censor, Yair; Elfving, Tommy
24
1982
Solution of biharmonic equations with application to radar imaging. Zbl 0933.65128
Andersson, Lars-Erik; Elfving, Tommy; Golub, Gene H.
24
1998
Semi-convergence and relaxation parameters for a class of SIRT algorithms. Zbl 1205.65148
Elfving, Tommy; Nikazad, Touraj; Hansen, Per Christian
23
2010
On some methods for entropy maximization and matrix scaling. Zbl 0458.65052
Elfving, Tommy
23
1980
An algorithm for computing constrained smoothing spline functions. Zbl 0622.41006
Elfving, Tommy; Andersson, Lars-Erik
22
1988
Stability of conjugate gradient and Lanczos methods for linear least squares problems. Zbl 0924.65035
Björck, Åke; Elfving, Tommy; Strakous, Zdenuek
19
1998
Semiconvergence and relaxation parameters for projected SIRT algorithms. Zbl 1254.65044
Elfving, Tommy; Hansen, Per Christian; Nikazad, Touraj
19
2012
A constrained Procrustes problem. Zbl 0880.65017
Andersson, Lars-Erik; Elfving, Tommy
18
1997
Algorithms for confluent Vandermonde systems. Zbl 0255.65018
Björck, Åke; Elfving, Tommy
18
1973
Properties of a class of block-iterative methods. Zbl 1184.65036
Elfving, Tommy; Nikazad, Touraj
17
2009
An algorithm for constrained interpolation. Zbl 0632.65008
Andersson, Lars-Erik; Elfving, Tommy
13
1987
Interpolation and approximation by monotone cubic splines. Zbl 0739.41005
Andersson, Lars-Erik; Elfving, Tommy
12
1991
On iterative methods for linearly constrained entropy maximization. Zbl 0718.65047
Censor, Yair; de Pierro, Alvaro R.; Elfving, Tommy; Herman, Gabor T.; Iusem, Alfredo N.
11
1990
Unmatched projector/backprojector pairs: perturbation and convergence analysis. Zbl 1383.65035
Elfving, Tommy; Hansen, Per Christian
11
2018
Stopping rules for Landweber-type iteration. Zbl 1124.65034
Elfving, Tommy; Nikazad, Touraj
10
2007
Error minimizing relaxation strategies in Landweber and Kaczmarz type iterations. Zbl 1355.65054
Nikazad, Touraj; Abbasi, Mokhtar; Elfving, Tommy
10
2017
An algorithm for maximum entropy image reconstruction from noisy data. Zbl 0691.68102
Elfving, Tommy
8
1989
Interpolation of convex scattered data in \(R^ 3\) based upon an edge convex minimum norm network. Zbl 0822.41017
Anderson, Lars-Erik; Elfving, Tommy; Iliev, Georgy; Vlachkova, Krassimira
7
1995
Convergence analysis for column-action methods in image reconstruction. Zbl 1366.65116
Elfving, Tommy; Hansen, Per Christian; Nikazad, Touraj
7
2017
The application of an oblique-projected Landweber method to a model of supervised learning. Zbl 1130.94014
Johansson, Björn; Elfving, Tommy; Kozlov, Vladimir; Censor, Yair; Forssén, Per-Erik; Granlund, Gösta
6
2006
Iterative algorithms with seminorm-induced oblique projections. Zbl 1047.90042
Censor, Yair; Elfving, Tommy
6
2003
Best constrained approximation in Hilbert space and interpolation by cubic splines subject to obstacles. Zbl 0842.41008
Andersson, Lars-Erik; Elfving, Tommy
6
1995
A stationary iterative pseudoinverse algorithm. Zbl 0907.65042
Elfving, Tommy
6
1998
A method of iterative data refinement and its applications. Zbl 0561.92002
Censor, Y.; Elfving, T.; Herman, G. T.
4
1985
A projection method for semidefinite linear systems and its applications. Zbl 1062.65041
Elfving, Tommy
3
2004
Special-purpose algorithms for linearly constrained entropy maximization. Zbl 0626.65055
Censor, Yair; Elfving, Tommy; Herman, Gabor T.
2
1987
Constrained regularized least squares problems. Zbl 0768.65013
Elfving, Tommy
1
1991
Some properties of stochastic labeling procedures. Zbl 0532.68086
Elfving, Tommy; Eklundh, Jan-Olof
1
1982
A block-preconditioner for a special regularized least-squares problem. Zbl 1199.65129
Elfving, Tommy; Skoglund, Ingegerd
1
2007
Row and column based iterations. Zbl 1485.65031
Elfving, Tommy
1
2018
A new step size rule for the superiorization method and its application in computerized tomography. Zbl 1492.65169
Nikazad, T.; Abbasi, M.; Afzalipour, L.; Elfving, T.
1
2022
A new step size rule for the superiorization method and its application in computerized tomography. Zbl 1492.65169
Nikazad, T.; Abbasi, M.; Afzalipour, L.; Elfving, T.
1
2022
Unmatched projector/backprojector pairs: perturbation and convergence analysis. Zbl 1383.65035
Elfving, Tommy; Hansen, Per Christian
11
2018
Row and column based iterations. Zbl 1485.65031
Elfving, Tommy
1
2018
Error minimizing relaxation strategies in Landweber and Kaczmarz type iterations. Zbl 1355.65054
Nikazad, Touraj; Abbasi, Mokhtar; Elfving, Tommy
10
2017
Convergence analysis for column-action methods in image reconstruction. Zbl 1366.65116
Elfving, Tommy; Hansen, Per Christian; Nikazad, Touraj
7
2017
Semi-convergence properties of Kaczmarz’s method. Zbl 1296.65054
Elfving, Tommy; Hansen, Per Christian; Nikazad, Touraj
26
2014
Semiconvergence and relaxation parameters for projected SIRT algorithms. Zbl 1254.65044
Elfving, Tommy; Hansen, Per Christian; Nikazad, Touraj
19
2012
Semi-convergence and relaxation parameters for a class of SIRT algorithms. Zbl 1205.65148
Elfving, Tommy; Nikazad, Touraj; Hansen, Per Christian
23
2010
Properties of a class of block-iterative methods. Zbl 1184.65036
Elfving, Tommy; Nikazad, Touraj
17
2009
On diagonally relaxed orthogonal projection methods. Zbl 1159.65317
Censor, Yair; Elfving, Tommy; Herman, Gabor T.; Nikazad, Touraj
42
2008
Stopping rules for Landweber-type iteration. Zbl 1124.65034
Elfving, Tommy; Nikazad, Touraj
10
2007
A block-preconditioner for a special regularized least-squares problem. Zbl 1199.65129
Elfving, Tommy; Skoglund, Ingegerd
1
2007
The application of an oblique-projected Landweber method to a model of supervised learning. Zbl 1130.94014
Johansson, Björn; Elfving, Tommy; Kozlov, Vladimir; Censor, Yair; Forssén, Per-Erik; Granlund, Gösta
6
2006
The multiple-sets split feasibility problem and its applications for inverse problems. Zbl 1089.65046
Censor, Yair; Elfving, Tommy; Kopf, Nirit; Bortfeld, Thomas
447
2005
A projection method for semidefinite linear systems and its applications. Zbl 1062.65041
Elfving, Tommy
3
2004
Iterative algorithms with seminorm-induced oblique projections. Zbl 1047.90042
Censor, Yair; Elfving, Tommy
6
2003
Block-iterative algorithms with diagonally scaled oblique projections for the linear feasibility problem. Zbl 1028.90034
Censor, Yair; Elfving, Tommy
45
2002
Averaging strings of sequential iterations for convex feasibility problems. Zbl 1160.65320
Censor, Y.; Elfving, T.; Herman, G. T.
35
2001
Solution of biharmonic equations with application to radar imaging. Zbl 0933.65128
Andersson, Lars-Erik; Elfving, Tommy; Golub, Gene H.
24
1998
Stability of conjugate gradient and Lanczos methods for linear least squares problems. Zbl 0924.65035
Björck, Åke; Elfving, Tommy; Strakous, Zdenuek
19
1998
A stationary iterative pseudoinverse algorithm. Zbl 0907.65042
Elfving, Tommy
6
1998
A constrained Procrustes problem. Zbl 0880.65017
Andersson, Lars-Erik; Elfving, Tommy
18
1997
Criteria for copositive matrices using simplices and barycentric coordinates. Zbl 0826.15016
Andersson, Lars-Erik; Chang, Gengzhe; Elfving, Tommy
26
1995
Interpolation of convex scattered data in \(R^ 3\) based upon an edge convex minimum norm network. Zbl 0822.41017
Anderson, Lars-Erik; Elfving, Tommy; Iliev, Georgy; Vlachkova, Krassimira
7
1995
Best constrained approximation in Hilbert space and interpolation by cubic splines subject to obstacles. Zbl 0842.41008
Andersson, Lars-Erik; Elfving, Tommy
6
1995
A multiprojection algorithm using Bregman projections in a product space. Zbl 0828.65065
Censor, Yair; Elfving, Tommy
814
1994
Interpolation and approximation by monotone cubic splines. Zbl 0739.41005
Andersson, Lars-Erik; Elfving, Tommy
12
1991
Constrained regularized least squares problems. Zbl 0768.65013
Elfving, Tommy
1
1991
On iterative methods for linearly constrained entropy maximization. Zbl 0718.65047
Censor, Yair; de Pierro, Alvaro R.; Elfving, Tommy; Herman, Gabor T.; Iusem, Alfredo N.
11
1990
An algorithm for maximum entropy image reconstruction from noisy data. Zbl 0691.68102
Elfving, Tommy
8
1989
An algorithm for computing constrained smoothing spline functions. Zbl 0622.41006
Elfving, Tommy; Andersson, Lars-Erik
22
1988
An algorithm for constrained interpolation. Zbl 0632.65008
Andersson, Lars-Erik; Elfving, Tommy
13
1987
Special-purpose algorithms for linearly constrained entropy maximization. Zbl 0626.65055
Censor, Yair; Elfving, Tommy; Herman, Gabor T.
2
1987
A method of iterative data refinement and its applications. Zbl 0561.92002
Censor, Y.; Elfving, T.; Herman, G. T.
4
1985
New methods for linear inequalities. Zbl 0479.65039
Censor, Yair; Elfving, Tommy
24
1982
Some properties of stochastic labeling procedures. Zbl 0532.68086
Elfving, Tommy; Eklundh, Jan-Olof
1
1982
Block-iterative methods for consistent and inconsistent linear equations. Zbl 0416.65031
Elfving, Tommy
81
1980
On some methods for entropy maximization and matrix scaling. Zbl 0458.65052
Elfving, Tommy
23
1980
Accelerated projection methods for computing pseudoinverse solutions of systems of linear equations. Zbl 0409.65022
Björck, Åke; Elfving, Tommy
75
1979
Algorithms for confluent Vandermonde systems. Zbl 0255.65018
Björck, Åke; Elfving, Tommy
18
1973
all top 5

Cited by 1,354 Authors

52 Mewomo, Oluwatosin Temitope
42 Kumam, Poom
38 Censor, Yair
34 Shehu, Yekini
32 Cholamjiak, Prasit
31 Reich, Simeon
28 Suantai, Suthep
27 Trương Minh Tuyên
26 Gibali, Aviv
26 Jolaoso, Lateef Olakunle O.
24 Chang, Shih-Sen
24 Izuchukwu, Chinedu
24 Yao, Jen-Chih
22 Wang, Fenghui
22 Yao, Yonghong
21 Dong, Qiaoli
20 Eslamian, Mohammad
19 Liou, Yeongcheng
19 Wang, Lin
19 Zhao, Jing
18 Narain, Ojen Kumar
18 Tian, Ming
16 Cho, Yeol Je
16 Dang, Yazheng
16 Elfving, Tommy
15 Chen, Rudong
15 He, Songnian
14 Alakoya, Timilehin Opeyemi
14 Okeke, Chibueze Christian
13 Chuang, Chih-Sheng
13 Ogbuisi, Ferdinard Udochukwu
13 Shi, Luoyi
13 Sunthrayuth, Pongsakorn
13 Tang, Yuchao
12 Abass, Hammed Anuoluwapo
12 Ceng, Lu-Chuan
12 Che, Haitao
12 Deepho, Jitsupa
12 Gebrie, Anteneh Getachew
12 Iyiola, Olaniyi Samuel
12 Li, Meixia
12 Needell, Deanna
12 Nikazad, Touraj
12 Taiwo, Adeolu
11 Hansen, Per Christian
11 Kazmi, Kaleem Raza
11 Mebawondu, Akindele Adebayo
11 Takahashi, Wataru
11 Xu, Hong-Kun
10 Anh, Tran Viet
10 Ansari, Qamrul Hasan
10 Gordon, Dan
10 Kangtunyakarn, Atid
10 Kesornprom, Suparat
10 Khan, Muhammad Aqeel Ahmad
10 Lê Dung Muu
9 Arfat, Yasir
9 Dang Van Hieu
9 Dax, Achiya
9 Gao, Yan
9 Kang, Shin Min
9 Lin, Lai-Jiu
9 Qin, Xiaolong
9 Sitthithakerngkiet, Kanokwan
9 Ugwunnadi, Godwin Chidi
9 Zhou, Haiyun
8 Abbasi, Mokhtar
8 Cegielski, Andrzej
8 Dương Việt Thông
8 Herman, Gabor T.
8 Liu, Liwei
8 Ma, Zhaoli
8 Pholasa, Nattawut
8 Popa, Constantin
8 Taddele, Guash Haile
8 Tang, Yan
8 Wang, Peiyuan
7 Aremu, Kazeem Olalekan
7 Cholamjiak, Watcharaporn
7 Cui, Huanhuan
7 Godwin, Emeka Chigaemezu
7 Hu, Rong
7 Jailoka, Pachara
7 Pham Ky Anh
7 Postolache, Mihai
7 Rizvi, Shuja Haider
7 Sa Ngiamsunthorn, Parinya
7 Sahu, Daya Ram
7 Wang, Yaqin
7 Wen, Chingfeng
7 Zenios, Stavros Andrea
6 Abubakar, Jamilu
6 Combettes, Patrick L.
6 Fang, Yaping
6 Gordon, Rachel
6 He, Huimin
6 Kim, Jong Kyu
6 Latif, Abdul
6 Liu, Lulu
6 Martínez-Moreno, Juan
...and 1,254 more Authors
all top 5

Cited in 233 Serials

87 Journal of Inequalities and Applications
77 Optimization
61 Numerical Algorithms
57 Fixed Point Theory and Applications
50 Linear Algebra and its Applications
45 Journal of Computational and Applied Mathematics
39 Abstract and Applied Analysis
36 Computational and Applied Mathematics
32 Journal of Optimization Theory and Applications
32 Numerical Functional Analysis and Optimization
26 Journal of Nonlinear Science and Applications
25 Journal of Fixed Point Theory and Applications
23 Applied Mathematics and Computation
21 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM
19 Journal of Nonlinear and Variational Analysis
18 Thai Journal of Mathematics
18 Journal of Industrial and Management Optimization
16 BIT
16 Computational Optimization and Applications
16 SIAM Journal on Scientific Computing
15 Inverse Problems
14 Numerische Mathematik
14 Journal of Global Optimization
14 Journal of Applied Mathematics
12 Optimization Methods & Software
11 Journal of Mathematical Analysis and Applications
11 Mathematical Methods in the Applied Sciences
11 Applied Numerical Mathematics
11 International Journal of Computer Mathematics
11 Optimization Letters
11 Journal of Function Spaces
10 SIAM Journal on Matrix Analysis and Applications
10 Mathematical Programming. Series A. Series B
10 Filomat
10 Mediterranean Journal of Mathematics
9 Computers & Mathematics with Applications
9 Rendiconti del Circolo Matemàtico di Palermo. Serie II
9 SIAM Journal on Optimization
9 Mathematical Problems in Engineering
8 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods
8 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
7 Journal of Applied Mathematics and Computing
7 SIAM Journal on Imaging Sciences
7 Afrika Matematika
6 Acta Mathematica Vietnamica
6 Journal of Scientific Computing
6 Journal of Mathematical Sciences (New York)
6 Vietnam Journal of Mathematics
6 Advances in Difference Equations
6 Numerical Algebra, Control and Optimization
6 Journal of Mathematics
5 Journal of Computational Physics
5 Calcolo
5 Demonstratio Mathematica
5 Acta Applicandae Mathematicae
5 Bulletin of the Iranian Mathematical Society
5 Numerical Linear Algebra with Applications
5 Communications in Nonlinear Science and Numerical Simulation
5 Inverse Problems in Science and Engineering
5 Fixed Point Theory and Algorithms for Sciences and Engineering
4 Journal of Approximation Theory
4 Computer Aided Geometric Design
4 European Journal of Operational Research
4 Cybernetics and Systems Analysis
4 International Transactions in Operational Research
4 Acta Mathematica Sinica. English Series
4 Nonlinear Functional Analysis and Applications
4 Dynamics of Continuous, Discrete & Impulsive Systems. Series B. Applications & Algorithms
4 Asian-European Journal of Mathematics
3 Applicable Analysis
3 Mathematics of Computation
3 Applied Mathematics and Optimization
3 International Journal of Mathematics and Mathematical Sciences
3 Quaestiones Mathematicae
3 Journal of the Nigerian Mathematical Society
3 Mathematical and Computer Modelling
3 The Journal of Analysis
3 Journal of Convex Analysis
3 The Journal of Fourier Analysis and Applications
3 Novi Sad Journal of Mathematics
3 Mathematical Methods of Operations Research
3 The Journal of Prime Research in Mathematics
3 Journal of Applied Analysis and Computation
3 Sahand Communications in Mathematical Analysis
3 Bollettino dell’Unione Matematica Italiana
3 AIMS Mathematics
2 Indian Journal of Pure & Applied Mathematics
2 Journal of Engineering Mathematics
2 Metrika
2 Ukrainian Mathematical Journal
2 Wave Motion
2 Computing
2 Proceedings of the Edinburgh Mathematical Society. Series II
2 Ricerche di Matematica
2 Systems & Control Letters
2 Insurance Mathematics & Economics
2 Parallel Computing
2 Applied Mathematics Letters
2 Annals of Operations Research
2 Japan Journal of Industrial and Applied Mathematics
...and 133 more Serials
all top 5

Cited in 47 Fields

742 Operator theory (47-XX)
648 Numerical analysis (65-XX)
447 Operations research, mathematical programming (90-XX)
284 Calculus of variations and optimal control; optimization (49-XX)
81 Linear and multilinear algebra; matrix theory (15-XX)
52 Information and communication theory, circuits (94-XX)
45 Computer science (68-XX)
35 Partial differential equations (35-XX)
33 Approximations and expansions (41-XX)
26 Biology and other natural sciences (92-XX)
23 Functional analysis (46-XX)
22 General topology (54-XX)
21 Statistics (62-XX)
14 Integral transforms, operational calculus (44-XX)
14 Global analysis, analysis on manifolds (58-XX)
12 Potential theory (31-XX)
10 Systems theory; control (93-XX)
8 Optics, electromagnetic theory (78-XX)
7 Game theory, economics, finance, and other social and behavioral sciences (91-XX)
6 Functions of a complex variable (30-XX)
6 Probability theory and stochastic processes (60-XX)
6 Mechanics of deformable solids (74-XX)
5 Real functions (26-XX)
5 Fluid mechanics (76-XX)
5 Geophysics (86-XX)
4 General and overarching topics; collections (00-XX)
4 Combinatorics (05-XX)
4 Ordinary differential equations (34-XX)
4 Convex and discrete geometry (52-XX)
4 Quantum theory (81-XX)
3 Integral equations (45-XX)
3 Mechanics of particles and systems (70-XX)
3 Mathematics education (97-XX)
1 History and biography (01-XX)
1 Mathematical logic and foundations (03-XX)
1 Commutative algebra (13-XX)
1 Algebraic geometry (14-XX)
1 Associative rings and algebras (16-XX)
1 Group theory and generalizations (20-XX)
1 Several complex variables and analytic spaces (32-XX)
1 Dynamical systems and ergodic theory (37-XX)
1 Harmonic analysis on Euclidean spaces (42-XX)
1 Differential geometry (53-XX)
1 Algebraic topology (55-XX)
1 Manifolds and cell complexes (57-XX)
1 Classical thermodynamics, heat transfer (80-XX)
1 Statistical mechanics, structure of matter (82-XX)

Citations by Year