Lothar Reichel

发表

Old and new parameter choice rules for discrete ill-posed problems

Lothar Reichel, Giuseppe Rodriguez, L. Reichel, 2013, Numerical Algorithms.

On the Evaluation of Polynomial Coefficients

Lothar Reichel, Daniela Calvetti, D. Calvetti, 2003, Numerical Algorithms.

Parameter determination for Tikhonov regularization problems in general form

Lothar Reichel, Giuseppe Rodriguez, X. Yu, 2018, J. Comput. Appl. Math..

New zero-finders for trust-region computations

Jin Yun Yuan, Lothar Reichel, Maged Alkilayh, 2016, Numerical Algorithms.

The relationship between protein sequences and their gene ontology functions

Lothar Reichel, Zhong-Hui Duan, Brent Hughes, 2006, First International Multi-Symposiums on Computer and Computational Sciences (IMSCCS'06).

L-curve for the MINRES method

Lothar Reichel, Daniela Calvetti, Bryan Lewis, 2000, SPIE Optics + Photonics.

Smooth or abrupt: a comparison of regularization methods

Lothar Reichel, Daniela Calvetti, Bryan Lewis, 1998, Optics & Photonics.

Non-stationary Structure-Preserving Preconditioning for Image Restoration

Marco Donatelli, Lothar Reichel, Pietro Dell’Acqua, 2019 .

Network Analysis via Partial Spectral Factorization and Gauss Quadrature

Lothar Reichel, Giuseppe Rodriguez, Caterina Fenu, 2013, SIAM J. Sci. Comput..

Algorithm 827: irbleigs: A MATLAB program for computing a few eigenpairs of a large sparse Hermitian matrix

Lothar Reichel, Daniela Calvetti, James Baglama, 2003, TOMS.

Anti-Szego quadrature rules

Lothar Reichel, Sun-Mi Kim, 2007, Math. Comput..

On the choice of subspace for large-scale Tikhonov regularization problems in general form

Lothar Reichel, Feng Yin, Guang-Xin Huang, 2018, Numerical Algorithms.

Application of ADI Iterative Methods to the Restoration of Noisy Images

Lothar Reichel, Daniela Calvetti, D. Calvetti, 1996, SIAM J. Matrix Anal. Appl..

Editorial: Novel methods and theories in numerical algebra with interdisciplinary applications

Lothar Reichel, Zhong-Zhi Bai, Maya G. Neytcheva, 2018, Numerical Linear Algebra with Applications.

Regularization matrices for discrete ill‐posed problems in several space dimensions

Lothar Reichel, Silvia Noschese, Guang-Xin Huang, 2017, Numer. Linear Algebra Appl..

A hybrid iterative method for symmetric positive definite linear systems

Lothar Reichel, Daniela Calvetti, D. Calvetti, 1996, Numerical Algorithms.

A block-Lanczos method for large continuation problems

Lothar Reichel, Daniela Calvetti, 2004, Numerical Algorithms.

Application of denoising methods to regularizationof ill-posed problems

Lothar Reichel, Tristan A. Hearn, L. Reichel, 2014, Numerical Algorithms.

Krylov subspace iterative methods for nonsymmetric discrete ill-posed problems in image restoration

Lothar Reichel, Daniela Calvetti, Bryan Lewis, 2001, SPIE Optics + Photonics.

A Generalized Krylov Subspace Method for ℓp-ℓq Minimization

Serena Morigi, Lothar Reichel, Fiorella Sgallari, 2015, SIAM J. Sci. Comput..

Cascadic Multiresolution Methods for Image Deblurring

Serena Morigi, Lothar Reichel, Fiorella Sgallari, 2008, SIAM J. Imaging Sci..

Vector extrapolation enhanced TSVD for linear discrete ill-posed problems

Khalide Jbilou, Hassane Sadok, Lothar Reichel, 2009, Numerical Algorithms.

On the solution of large Sylvester-observer equations

Lothar Reichel, Daniela Calvetti, Bryan Lewis, 2001, Numer. Linear Algebra Appl..

Extensions of the Justen–Ramlau blind deconvolution method

Lothar Reichel, Tristan A. Hearn, L. Reichel, 2013, Adv. Comput. Math..

Special issue dedicated to Biswa Nath Datta on the occasion of his 70th birthday

Wen-Wei Lin, Lothar Reichel, Eric King-Wah Chu, 2013, Numer. Linear Algebra Appl..

Simplified GSVD computations for the solution of linear discrete ill-posed problems

Lothar Reichel, Laura Dykes, L. Reichel, 2014, J. Comput. Appl. Math..

Error Estimates and Evaluation of Matrix Functions via the Faber Transform

Lothar Reichel, Bernhard Beckermann, L. Reichel, 2009, SIAM J. Numer. Anal..

Some properties of range restricted GMRES methods

Mohammed Bellalij, Hassane Sadok, Lothar Reichel, 2015, J. Comput. Appl. Math..

GCV for Tikhonov regularization via global Golub–Kahan decomposition

Lothar Reichel, Giuseppe Rodriguez, Caterina Fenu, 2016, Numer. Linear Algebra Appl..

On the computation of Gauss quadrature rules for measures with a monomial denominator

Lothar Reichel, Carl Jagels, 2015, J. Comput. Appl. Math..

Construction of polynomials that are orthogonal with respect to a discrete bilinear form

Lothar Reichel, L. Reichel, 1993, Adv. Comput. Math..

A Cascadic Alternating Krylov Subspace Image Restoration Method

Serena Morigi, Lothar Reichel, Fiorella Sgallari, 2013, SSVM.

Algorithms for range restricted iterative methods for linear discrete ill-posed problems

Hassane Sadok, Lothar Reichel, Arthur Neuman, 2012, Numerical Algorithms.

A rational Arnoldi process with applications

Zhengsheng Wang, Lothar Reichel, Giuseppe Rodriguez, 2016, Numer. Linear Algebra Appl..

An $$\ell ^2-\ell ^q$$ℓ2-ℓq Regularization Method for Large Discrete Ill-Posed Problems

Lothar Reichel, Alessandro Buccini, L. Reichel, 2018, J. Sci. Comput..

Square smoothing regularization matrices with accurate boundary conditions

Marco Donatelli, Lothar Reichel, L. Reichel, 2014, J. Comput. Appl. Math..

On an inverse eigenproblem for Jacobi matrices

Lothar Reichel, Daniela Calvetti, 1999, Adv. Comput. Math..

An Implementation of the GMRES Method Using QR Factorization

Dan Hu, Zhaojun Bai, Lothar Reichel, 1991, SIAM Conference on Parallel Processing for Scientific Computing.

Iterative exponential filtering for large discrete ill-posed problems

Qin Zhang, Lothar Reichel, Daniela Calvetti, 1999, Numerische Mathematik.

Arnoldi methods for image deblurring with anti-reflective boundary conditions

Marco Donatelli, Lothar Reichel, David R. Martin, 2015, Appl. Math. Comput..

On the choice of solution subspace for nonstationary iterated Tikhonov regularization

Lothar Reichel, Feng Yin, Guang-Xin Huang, 2016, Numerical Algorithms.

Numerical methods

Lothar Reichel, L. Reichel, 2020, Math. Comput..

Simplified anti-Gauss quadrature rules with applications in linear algebra

Lothar Reichel, Hessah Alqahtani, L. Reichel, 2018, Numerical Algorithms.

A fast minimal residual algorithm for shifted unitary matrices

Lothar Reichel, Carl Jagels, L. Reichel, 1994, Numer. Linear Algebra Appl..

A modified truncated singular value decomposition method for discrete ill‐posed problems

Lothar Reichel, Silvia Noschese, L. Reichel, 2014, Numer. Linear Algebra Appl..

An interior-point method for large constrained discrete ill-posed problems

Serena Morigi, Lothar Reichel, Fiorella Sgallari, 2010, J. Comput. Appl. Math..

A parallel implementation of the GMRES method

Lothar Reichel, Daniela Calvetti, Jorg Petersen, 1993 .

On the regularizing properties of the GMRES method

Lothar Reichel, Daniela Calvetti, Bryan Lewis, 2002, Numerische Mathematik.

Adaptive cross approximation for ill-posed problems

Raf Vandebril, Lothar Reichel, Marc Van Barel, 2016, J. Comput. Appl. Math..

A global Lanczos method for image restoration

Khalide Jbilou, Lothar Reichel, A. H. Bentbib, 2016, J. Comput. Appl. Math..

Inverse problems for regularization matrices

Lothar Reichel, Silvia Noschese, 2012, Numerical Algorithms.

Generalized averaged Szegő quadrature rules

Lothar Reichel, Carl Jagels, Tunan Tang, 2017, J. Comput. Appl. Math..

Numerical aspects of the nonstationary modified linearized Bregman algorithm

Lothar Reichel, Alessandro Buccini, Yonggi Park, 2018, Appl. Math. Comput..

Multigrid based preconditioners for the numerical solution of two-dimensional heterogeneous problems in geophysics

Hassane Sadok, Lothar Reichel, Andriy Shyshkov, 2007, Int. J. Comput. Math..

Orthogonal projection regularization operators

Serena Morigi, Lothar Reichel, Fiorella Sgallari, 2007, Numerical Algorithms.

An adaptive Richardson iteration method for indefinite linear systems

Lothar Reichel, Daniela Calvetti, D. Calvetti, 1996, Numerical Algorithms.

Stieltjes-type polynomials on the unit circle

Lothar Reichel, Guillermo López Lagomasino, Bernardo de la Calle Ysern, 2008, Math. Comput..

The structured distance to normality of Toeplitz matrices with application to preconditioning

Lothar Reichel, Silvia Noschese, 2011, Numer. Linear Algebra Appl..

Square regularization matrices for large linear discrete ill‐posed problems

Marco Donatelli, Lothar Reichel, Arthur Neuman, 2012, Numer. Linear Algebra Appl..

Tridiagonal Toeplitz matrices: properties and novel applications

Lothar Reichel, Silvia Noschese, Lionello Pasquini, 2013, Numer. Linear Algebra Appl..

Analysis of directed networks via the matrix exponential

Lothar Reichel, Mona Matar, Omar De la Cruz Cabrera, 2019, J. Comput. Appl. Math..

Gauss Quadrature Applied to Trust Region Computations

Lothar Reichel, Daniela Calvetti, D. Calvetti, 2003, Numerical Algorithms.

Golub–Kahan bidiagonalization for ill-conditioned tensor equations with applications

Khalide Jbilou, Lothar Reichel, Mehdi Najafi-Kalyani, 2020, Numerical Algorithms.

Computing unstructured and structured polynomial pseudospectrum approximations

Lothar Reichel, Silvia Noschese, L. Reichel, 2017, J. Comput. Appl. Math..

Block Gauss and Anti-Gauss Quadrature with Application to Networks

Lothar Reichel, Giuseppe Rodriguez, Caterina Fenu, 2013, SIAM J. Matrix Anal. Appl..

A General Framework for Nonlinear Regularized Krylov-Based Image Restoration

Serena Morigi, Lothar Reichel, Fiorella Sgallari, 2014, CompIMAGE.

Iterated Tikhonov regularization with a general penalty term

Marco Donatelli, Lothar Reichel, Alessandro Buccini, 2017, Numer. Linear Algebra Appl..

Quadrature Rules Based on the Arnoldi Process

Lothar Reichel, Daniela Calvetti, Sun-Mi Kim, 2005, SIAM J. Matrix Anal. Appl..

On the reduction of Tikhonov minimization problems and the construction of regularization matrices

Lothar Reichel, Laura Dykes, 2012, Numerical Algorithms.

Accuracy Control for Parallel Evaluation of Matrix Rational Functions

Efstratios Gallopoulos, Lothar Reichel, Daniela Calvetti, 1993, PPSC.

Projected Tikhonov Regularization of Large-Scale Discrete Ill-Posed Problems

Lothar Reichel, David R. Martin, L. Reichel, 2013, J. Sci. Comput..

Fast factorization of rectangular Vandermonde matrices with Chebyshev nodes

Lothar Reichel, Sergij V. Shiyanovskii, Mykhailo Kuian, 2018, Numerical Algorithms.

Tikhonov regularization of large symmetric problems

Lothar Reichel, Daniela Calvetti, A. Shuibi, 2005, Numer. Linear Algebra Appl..

Computable error bounds and estimates for the conjugate gradient method

Serena Morigi, Lothar Reichel, Fiorella Sgallari, 2000, Numerical Algorithms.

On the generation of Krylov subspace bases

Lothar Reichel, Bernard Philippe, B. Philippe, 2012 .

Generalized anti-Gauss quadrature rules

Lothar Reichel, Miroslav S. Pranic, L. Reichel, 2015, J. Comput. Appl. Math..

A new Tikhonov regularization method

Lothar Reichel, Martin Fuhry, 2011, Numerical Algorithms.

Noise-reducing cascadic multilevel methods for linear discrete ill-posed problems

Serena Morigi, Lothar Reichel, Fiorella Sgallari, 2009, Numerical Algorithms.

A hybrid GMRES and TV-norm-based method for image restoration

Lothar Reichel, Daniela Calvetti, Bryan Lewis, 2002, SPIE Optics + Photonics.

A Hybrid GMRES Algorithm for Nonsymmetric Linear Systems

Lloyd N. Trefethen, Lothar Reichel, Noël M. Nachtigal, 1992, SIAM J. Matrix Anal. Appl..

Computation of Gauss-Kronrod quadrature rules

Gene H. Golub, Lothar Reichel, Daniela Calvetti, 2000, Math. Comput..

Regularization parameter determination for discrete ill-posed problems

Lothar Reichel, Giuseppe Rodriguez, Michiel E. Hochstenbach, 2015, J. Comput. Appl. Math..

Rational Gauss Quadrature

Lothar Reichel, Miroslav S. Pranic, L. Reichel, 2014, SIAM J. Numer. Anal..

Global Golub-Kahan bidiagonalization applied to large discrete ill-posed problems

Khalide Jbilou, Lothar Reichel, A. H. Bentbib, 2017, J. Comput. Appl. Math..

Special issue: recent progress on iterative methods for large systems of equations

Tetsuya Sakurai, Hua Xiang, Yimin Wei, 2017, Numerical Algorithms.

IRBL: An Implicitly Restarted Block-Lanczos Method for Large-Scale Hermitian Eigenproblems

Lothar Reichel, Daniela Calvetti, James Baglama, 2002, SIAM J. Sci. Comput..

Sensitivity analysis for Szegő polynomials

Lothar Reichel, Sun-Mi Kim, L. Reichel, 2009, Numerische Mathematik.

Approximated structured pseudospectra

Lothar Reichel, Silvia Noschese, L. Reichel, 2016, Numer. Linear Algebra Appl..

A Matrix Problem with Application to Rapid Solution of Integral Equations

Lothar Reichel, L. Reichel, 1990, SIAM Journal on Scientific Computing.

Fractional Tikhonov regularization with a nonlinear penalty term

Serena Morigi, Lothar Reichel, Fiorella Sgallari, 2017, J. Comput. Appl. Math..

The Arnoldi Process and GMRES for Nearly Symmetric Matrices

Lothar Reichel, Bernhard Beckermann, 2008, SIAM J. Matrix Anal. Appl..

Determination Of Pisarenko Frequency Estimates As Eigenvalues Of An Orthogonal Matrix

Lothar Reichel, William B. Gragg, Gregory S. Ammar, 1988, Optics & Photonics.

Alternating Krylov subspace image restoration methods

Serena Morigi, Lothar Reichel, Fiorella Sgallari, 2012, J. Comput. Appl. Math..

Edge importance in a network via line graphs and the matrix exponential

Lothar Reichel, Mona Matar, Omar De la Cruz Cabrera, 2019, Numerical Algorithms.

Parallel deconvolution methods for three dimensional image restoration

Lothar Reichel, Bryan Lewis, 2003, SPIE Optics + Photonics.

Corrigendum: Algorithm 730: An implementation of a divide and conquer algorithm for the unitary eigenproblem

Danny C. Sorensen, Lothar Reichel, Greg S. Ammar, 1994, TOMS.

Restoration of images with spatially variant blur by the GMRES method

Lothar Reichel, Daniela Calvetti, Bryan Lewis, 2000, SPIE Optics + Photonics.

Breakdown-free GMRES for Singular Systems

Qiang Ye, Lothar Reichel, L. Reichel, 2005, SIAM J. Matrix Anal. Appl..

L-Curve and Curvature Bounds for Tikhonov Regularization

Lothar Reichel, Daniela Calvetti, A. Shuibi, 2004, Numerical Algorithms.

An L-ribbon for large underdetermined linear discrete ill-posed problems

Serena Morigi, Lothar Reichel, Fiorella Sgallari, 2000, Numerical Algorithms.

The Relationship between Protein Sequences and their Gene Ontology Functions

Lothar Reichel, Zhong-Hui Duan, Brent Hughes, 2006, IMSCCS.

Augmented Implicitly Restarted Lanczos Bidiagonalization Methods

Lothar Reichel, James Baglama, L. Reichel, 2005, SIAM J. Sci. Comput..

A truncated projected SVD method for linear discrete ill-posed problems

Serena Morigi, Lothar Reichel, Fiorella Sgallari, 2007, Numerical Algorithms.

On the computation of a truncated SVD of a large linear discrete ill-posed problem

Lothar Reichel, Enyinda Onunwor, L. Reichel, 2017, Numerical Algorithms.

Combining approximate solutions for linear discrete ill-posed problems

Lothar Reichel, Michiel E. Hochstenbach, L. Reichel, 2012, J. Comput. Appl. Math..

Tikhonov Regularization with a Solution Constraint

Lothar Reichel, Daniela Calvetti, D. Calvetti, 2004, SIAM J. Sci. Comput..

Iterative Solution Methods for Large Linear Discrete Ill-Posed Problems

Lothar Reichel, Daniela Calvetti, Qin Zhang, 1999 .

Iterative solution methods for ill-posed problems

Lothar Reichel, Daniela Calvetti, Qin Zhang, 1995, Optics & Photonics.

Recurrence relations for orthogonal rational functions

Lothar Reichel, Miroslav S. Pranic, 2013, Numerische Mathematik.

An Edge-Preserving Multilevel Method for Deblurring, Denoising, and Segmentation

Serena Morigi, Lothar Reichel, Fiorella Sgallari, 2009, SSVM.

Error estimates for large-scale ill-posed problems

Lothar Reichel, Giuseppe Rodriguez, Sebastiano Seatzu, 2009, Numerical Algorithms.

Restarted block Lanczos bidiagonalization methods

Lothar Reichel, James Baglama, L. Reichel, 2007, Numerical Algorithms.

Subspace-restricted singular value decompositions for linear discrete ill-posed problems

Lothar Reichel, Michiel E. Hochstenbach, L. Reichel, 2010, J. Comput. Appl. Math..

On the Lanczos and Golub–Kahan reduction methods applied to discrete ill‐posed problems

Lothar Reichel, Giuseppe Rodriguez, Silvia Gazzola, 2016, Numer. Linear Algebra Appl..

Rescaling the GSVD with application to ill-posed problems

Lothar Reichel, Silvia Noschese, Laura Dykes, 2014, Numerical Algorithms.

Simple efficient solvers for certain ill-conditioned systems of linear equations, including H(div) problems

Lothar Reichel, JaEun Ku, 2018, J. Comput. Appl. Math..

Image Denoising via Residual Kurtosis Minimization

Lothar Reichel, Tristan A. Hearn, L. Reichel, 2015 .

Augmented GMRES‐type methods

Lothar Reichel, James Baglama, L. Reichel, 2007, Numer. Linear Algebra Appl..

An implementation of a divide and conquer algorithm for the unitary eigen problem

Danny C. Sorensen, Lothar Reichel, Greg S. Ammar, 1992, TOMS.

Eigenvector sensitivity under general and structured perturbations of tridiagonal Toeplitz‐type matrices

Lothar Reichel, Silvia Noschese, L. Reichel, 2018, Numer. Linear Algebra Appl..

Algorithm 686: FORTRAN subroutines for updating the QR decomposition

Lothar Reichel, William B. Gragg, L. Reichel, 1990, TOMS.

Modulus-based iterative methods for constrained Tikhonov regularization

Ning Zheng, Jun-Feng Yin, Lothar Reichel, 2017, J. Comput. Appl. Math..

Internality of generalized averaged Gaussian quadrature rules and truncated variants for modified Chebyshev measures of the second kind

Lothar Reichel, Miodrag M. Spalevic, Dusan Lj. Djukic, 2019, J. Comput. Appl. Math..

Generalized circulant Strang‐type preconditioners

Lothar Reichel, Silvia Noschese, L. Reichel, 2012, Numer. Linear Algebra Appl..

Inverse subspace problems with applications

Lothar Reichel, Silvia Noschese, L. Reichel, 2014, Numer. Linear Algebra Appl..

An augmented LSQR method

Lothar Reichel, James Baglama, D. Richmond, 2013, Numerical Algorithms.

A generalized global Arnoldi method for ill-posed matrix equations

Abderrahman Bouhamidi, Khalide Jbilou, Hassane Sadok, 2012, J. Comput. Appl. Math..

Cascadic multilevel methods for ill-posed problems

Lothar Reichel, Andriy Shyshkov, L. Reichel, 2010, J. Comput. Appl. Math..

A Golub–Kahan-Type Reduction Method for Matrix Pairs

Lothar Reichel, Michiel E. Hochstenbach, Xuebo Yu, 2015, J. Sci. Comput..

A generalized LSQR algorithm

Qiang Ye, Lothar Reichel, L. Reichel, 2008, Numer. Linear Algebra Appl..

The structure of matrices in rational Gauss quadrature

Lothar Reichel, Carl Jagels, L. Reichel, 2013, Math. Comput..

Lanczos-Based Exponential Filtering for Discrete Ill-Posed Problems

Lothar Reichel, Daniela Calvetti, D. Calvetti, 2002, Numerical Algorithms.

A method for preconditioning matrices arising from linear integral equations for elliptic boundary value problems

Lothar Reichel, L. Reichel, 1986, Computing.

Circulant preconditioners for discrete ill-posed Toeplitz systems

Lothar Reichel, Silvia Noschese, Laura Dykes, 2016, Numerical Algorithms.

Computation of error bounds via generalized Gauss-Radau and Gauss-Lobatto rules

Lothar Reichel, Miroslav S. Pranic, J. Alahmadi, 2021, J. Comput. Appl. Math..

Communication in Complex Networks pdf

Lothar Reichel, Silvia Noschese, Omar De la Cruz Cabrera, 2021, Applied Numerical Mathematics.

Tensor regularization by truncated iteration: a comparison of some solution methods for large-scale linear discrete ill-posed problem with a t-product pdf

Lothar Reichel, Ugochukwu O. Ugwu, L. Reichel, 2021, ArXiv.

On the block Lanczos and block Golub–Kahan reduction methods applied to discrete ill‐posed problems

Lothar Reichel, Giuseppe Rodriguez, Silvia Gazzola, 2021, Numer. Linear Algebra Appl..

Block matrix models for dynamic networks

Lothar Reichel, Giuseppe Rodriguez, Caterina Fenu, 2021, Appl. Math. Comput..

Centrality measures for node-weighted networks via line graphs and the matrix exponential

Lothar Reichel, Mona Matar, Omar De la Cruz Cabrera, 2021, Numerical Algorithms.

Variable selection in saturated and supersaturated designs via - minimization

Lothar Reichel, Christos Koukouvinos, Marilena Mitrouli, 2021, Communications in Statistics - Simulation and Computation.

Gauss–Laurent-type quadrature rules for the approximation of functionals of a nonsymmetric matrix

Lothar Reichel, Miroslav S. Pranic, Hessah Alqahtani, 2021, Numerical Algorithms.

New matrix function approximations and quadrature rules based on the Arnoldi process

Lothar Reichel, Thomas Mach, Nasim Eshghi, 2021, J. Comput. Appl. Math..

Weighted tensor Golub-Kahan-Tikhonov-type methods applied to image processing using a t-product pdf

Lothar Reichel, Ugochukwu O. Ugwu, Ugochukwu O Ugwu, 2021, J. Comput. Appl. Math..

Corrigendum to "Comparison of a-posteriori parameter choice rules for linear discrete ill-posed problems" [J. Comput. Appl. Math. 373 (2020) 112138]

Lothar Reichel, Alessandro Buccini, Yonggi Park, 2021, J. Comput. Appl. Math..

Internality of generalized averaged Gauss quadrature rules and truncated variants for modified Chebyshev measures of the first kind

Lothar Reichel, Miodrag M. Spalevic, Dusan Lj. Djukic, 2021, J. Comput. Appl. Math..

Linearized Krylov subspace Bregman iteration with nonnegativity constraint

Lothar Reichel, Alessandro Buccini, Mirjeta Pasha, 2020, Numerical Algorithms.

The tensor Golub–Kahan–Tikhonov method applied to the solution of ill‐posed problems with a t‐product structure

Lothar Reichel, Ugochukwu O. Ugwu, L. Reichel, 2021, Numer. Linear Algebra Appl..

A new representation of generalized averaged Gauss quadrature rules

Lothar Reichel, Miodrag M. Spalević, 2021, Applied Numerical Mathematics.

Estimating and increasing the structural robustness of a network pdf

Lothar Reichel, Silvia Noschese, L. Reichel, 2021, Numer. Linear Algebra Appl..

Iterative Methods for the Computation of the Perron Vector of Adjacency Matrices

Lothar Reichel, Giuseppe Rodriguez, Anna Concas, 2021, Mathematics.

Tensor Krylov subspace methods with an invertible linear transform product applied to image processing

Lothar Reichel, Ugochukwu O. Ugwu, L. Reichel, 2021, Applied Numerical Mathematics.

New models for multi-class networks

Lothar Reichel, Omar De la Cruz Cabrera, Jiafeng Jin, 2021, J. Comput. Appl. Math..

Estimating the error in matrix function approximations

Lothar Reichel, Nasim Eshghi, L. Reichel, 2021, Advances in Computational Mathematics.

Chained graphs and some applications

Lothar Reichel, Giuseppe Rodriguez, Anna Concas, 2021, Appl. Netw. Sci..

A new nonstationary preconditioned iterative method for linear discrete ill‐posed problems with application to image deblurring

Marco Donatelli, Lothar Reichel, Alessandro Buccini, 2020, Numer. Linear Algebra Appl..

Fractional regularization matrices for linear discrete ill-posed problems

Michiel E. Hochstenbach, Lothar Reichel, Silvia Noschese, 2015 .

A CS decomposition for orthogonal matrices with application to eigenvalue computation

Lothar Reichel, Daniela Calvetti, Hongguo Xu, 2015 .

GMRES, L-Curves, and Discrete Ill-Posed Problems

Lothar Reichel, Daniela Calvetti, Bryan Lewis, 2002 .

Arnoldi-Tikhonov regularization methods

Lothar Reichel, Bryan Lewis, L. Reichel, 2009 .

THE STRUCTURED DISTANCE TO NEARLY NORMAL MATRICES

Lothar Reichel, L. Reichel, Laura Smithies, 2010 .

Applications of Anti-Gauss Quadrature Rules in Linear Algebra

Lothar Reichel, Fiorella Sgallari, Daniela Calvetti, 1999 .

The restarted QR-algorithm for eigenvalue computation of structured matrices

Lothar Reichel, Daniela Calvetti, D. Calvetti, 2002 .

Adaptive Richardson iteration based on Leja points

Lothar Reichel, Daniela Calvetti, D. Calvetti, 1996 .

Fast computation of convolution operations via low-rank approximation

Lothar Reichel, Tristan A. Hearn, L. Reichel, 2014 .

Implementations of range restricted iterative methods for linear discrete ill-posed problems

Hassane Sadok, Lothar Reichel, Arthur Neuman, 2012 .

Polynomial zerofinders based on Szego polynomials

Lothar Reichel, Daniela Calvetti, William B. Gragg, 2001 .

ON THE SOLUTION OF CAUCHY SYSTEMS OF EQUATIONS

Lothar Reichel, Daniela Calvetti, D. Calvetti, 1996 .

Chebyshev-Vandermonde systems

Lothar Reichel, Gerhard Opfer, 1991 .

Computing the Poles of Autoregressive Models from the Reeection Coeecients

Lothar Reichel, Daniela Calvetti, Gregory S. Ammar, 2007 .

Discrete least squares approximation by trigonometric polynomials

Lothar Reichel, William B. Gragg, Gregory S. Ammar, 1991 .

Fast QR decomposition of Vandermonde-like matrices and polynomial least squares approximation

Lothar Reichel, L. Reichel, 1991 .

The extended Krylov subspace method and orthogonal Laurent polynomials

Lothar Reichel, Carl Jagels, L. Reichel, 2009 .

L-Curve Curvature Bounds via Lanczos Bidiagonalization

Per Christian Hansen, Lothar Reichel, Daniela Calvetti, 2001 .

An adaptive Chebyshev iterative method\newline for nonsymmetric linear systems based on modified moments

Gene H. Golub, Lothar Reichel, Daniela Calvetti, 1994 .

An implicitly restarted block Lanczos bidiagonalization method using Leja shifts

Lothar Reichel, James Baglama, L. Reichel, 2012 .

Non-negativity and iterative methods for ill-posed problems

Lothar Reichel, Fiorella Sgallari, Germana Landi, 2004 .

Invertible smoothing preconditioners for linear discrete ill-posed problems

Lothar Reichel, Daniela Calvetti, A. Shuibi, 2005 .

Factorizations of Cauchy matrices

Lothar Reichel, Daniela Calvetti, D. Calvetti, 1997 .

Lavrentiev-type regularization methods for Hermitian problems

Lothar Reichel, Silvia Noschese, L. Reichel, 2015 .

On polynomial approximation in the complex plane with application to conformal mapping

Lothar Reichel, L. Reichel, 1985 .

A hybrid multilevel-active set method for large box-constrained linear discrete ill-posed problems

Serena Morigi, Lothar Reichel, Fiorella Sgallari, 2011 .

Pole placement preconditioning

Lothar Reichel, Daniela Calvetti, D. Calvetti, 2003 .

Wavelet-based multilevel methods for linear ill-posed problems

Lothar Reichel, Ronny Ramlau, Esther Klann, 2011 .

On polynomial approximation in the uniform norm by the discrete least squares method

Lothar Reichel, 1986 .

Decomposition methods for large linear discrete ill-posed problems

Lothar Reichel, James Baglama, L. Reichel, 2007 .

Enriched Krylov subspace methods for ill-posed problems

Lothar Reichel, Daniela Calvetti, A. Shuibi, 2003 .

An iterative method for linear discrete ill-posed problems with box constraints

Fabiana Zama, Serena Morigi, Lothar Reichel, 2007 .

The structured distance to normality of an irreducible real tridiagonal matrix.

Lothar Reichel, Silvia Noschese, L. Pasquini, 2007 .

On the Choice of Subspace for Iterative Methods for Linear Discrete Ill-Posed Problems

Lothar Reichel, Daniela Calvetti, Bryan Lewis, 2001 .

A fast method for solving certain integral equations of the first kind with application to conforma mapping

Lothar Reichel, L. Reichel, 1986 .

Fast solution methods for fredholm integral equations of the second kind

Lothar Reichel, L. Reichel, 1990 .

Gram Polynomials and the Kummer Function

Lothar Reichel, Roger W. Barnard, Kent Pearce, 1998 .

Numerical aspects of some solution methods for large Sylvester-observer equations

Lothar Reichel, Daniela Calvetti, 1997, Proceedings of the 36th IEEE Conference on Decision and Control.

Cascadic multilevel methods for fast nonsymmetric blur- and noise-removal

Serena Morigi, Lothar Reichel, Fiorella Sgallari, 2010 .

Polynomials by Conformal Mapping for the Richardson Iteration Method for Complex Linear Systems

Lothar Reichel, L. Reichel, 1988 .

Symmetric Gauss–Lobatto and Modified Anti-Gauss Rules

Lothar Reichel, Daniela Calvetti, 2003 .

Iterative methods for ill-posed problems and semiconvergent sequences

Fabiana Zama, Serena Morigi, Lothar Reichel, 2006 .

Some matrix nearness problems suggested by Tikhonov regularization

Lothar Reichel, Silvia Noschese, L. Reichel, 2016, 1602.03307.

Iterative Methods of Richardson-Lucy-Type for Image Deblurring

Serena Morigi, Lothar Reichel, Fiorella Sgallari, 2013 .

Tikhonov regularization based on generalized Krylov subspace methods

Lothar Reichel, Fiorella Sgallari, Qiang Ye, 2012 .

TIKHONOV REGULARIZATION WITH NONNEGATIVITY CONSTRAINT

Lothar Reichel, Fiorella Sgallari, Daniela Calvetti, 2004 .

A modified companion matrix method based on Newton polynomials

Lothar Reichel, Fiorella Sgallari, Daniela Calvetti, 2001 .

Fast inversion of vandermonde-like matrices involving orthogonal polynomials

Lothar Reichel, Daniela Calvetti, 1993 .

Greedy Tikhonov regularization for large linear ill-posed problems

Hassane Sadok, Lothar Reichel, Andriy Shyshkov, 2007, Int. J. Comput. Math..

On the construction of Szego polynomials

Lothar Reichel, Carl Jagels, L. Reichel, 1993 .

CONTINUATION METHODS FOR THE COMPUTATION OF ZEROS OF SZEGO POLYNOMIALS

Lothar Reichel, Daniela Calvetti, Gregory S. Ammar, 1996 .

A family of range restricted iterative methods for linear discrete ill-posed problems

Lothar Reichel, L. Reichel, L. Dykes, 2013 .

A new zero-finder for Tikhonov regularization

Lothar Reichel, Andriy Shyshkov, L. Reichel, 2008 .

Matrices, moments, and rational quadrature

Lothar Reichel, G. López Lagomasino, L. Wunderlich, 2008 .

Recursion relations for the extended Krylov subspace method

Lothar Reichel, Carl Jagels, L. Reichel, 2011 .

An iterative method with error estimators

Serena Morigi, Lothar Reichel, Fiorella Sgallari, 2001 .

Szegő-Lobatto quadrature rules

Lothar Reichel, Carl Jagels, L. Reichel, 2007 .

Direct and Inverse Unitary Eigenproblems in Signal Processing: An Overview

Lothar Reichel, William B. Gragg, Gregory S. Ammar, 1993 .

Regularization matrices determined by matrix nearness problems

Lothar Reichel, Silvia Noschese, Guangxin Huang, 2016, 1602.03318.

Analysis of directed networks via partial singular value decomposition and Gauss quadrature

Lothar Reichel, Giuseppe Rodriguez, Caterina Fenu, 2014 .

SIMPLE SQUARE SMOOTHING REGULARIZATION OPERATORS

Lothar Reichel, Qiang Ye, L. Reichel, 2009 .

A new L-curve for ill-posed problems

Hassane Sadok, Lothar Reichel, L. Reichel, 2008 .

COMPUTATION OF GAUSS-KRONROD QUADRATURE RULES WITH NON-POSITIVE WEIGHTS

Lothar Reichel, Daniela Calvetti, Gregory S. Ammar, 1999 .

On the selection of poles in the single-input pole placement problem

Lothar Reichel, Daniela Calvetti, Bryan Lewis, 1999 .

The structured distance to normality of banded Toeplitz matrices

Lothar Reichel, Silvia Noschese, L. Reichel, 2009 .

An iterative method for Tikhonov regularization with a general linear regularization operator

Michiel E. Hochstenbach, Lothar Reichel, L. Reichel, 2010 .

Discrete ill-posed least-squares problems with a solution norm constraint

Michiel E. Hochstenbach, Lothar Reichel, L. Reichel, 2012 .

The application of Leja points to Richardson iteration and polynomial preconditioning

Lothar Reichel, L. Reichel, 1991 .

New block quadrature rules for the approximation of matrix functions

Lothar Reichel, Giuseppe Rodriguez, Tunan Tang, 2016 .

Minimization of functionals on the solution of a large-scale discrete ill-posed problem

Lothar Reichel, David R. Martin, L. Reichel, 2013 .

A regularizing Lanczos iteration method for underdetermined linear systems

Giulia Spaletta, Lothar Reichel, Fiorella Sgallari, 2000 .

FGMRES for linear discrete ill-posed problems

Lothar Reichel, Keiichi Morikuni, Ken Hayami, 2014 .

On fractional Tikhonov regularization

Lothar Reichel, Ronny Ramlau, Daniel Gerth, 2015 .