OOIR: Observatory of International Research

Papers

(The TQCC of Numerical Linear Algebra With Applications is 3. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-09-01 to 2025-09-01.)

Article	Citations
Inexact inner–outer Golub–Kahan bidiagonalization method: A relaxation strategy	23
Asymptotics for the eigenvalues of Toeplitz matrices with a symbol having a power singularity	22
Convergence of the block Lanczos method for the trust‐region subproblem in the hard case	19
Issue Information	17
Dynamically accelerating the power iteration with momentum	17
Stabilized Krylov Subspace Recurrences via Randomized Sketching	17
Structure‐Preserving Model Reduction Approach for Structured Index‐2 Descriptor‐Systems	16
Rank‐structured approximation of some Cauchy matrices with sublinear complexity	14
Hierarchical adaptive low‐rank format with applications to discretized partial differential equations	14
Improved TriCG and TriMR Methods for Symmetric Quasi‐Definite Linear Systems	14
Optimal polynomial smoothers for multigrid V‐cycles	13
A fast and accurate algorithm for solving linear systems associated with a class of negative matrix	12
Volume‐based subset selection	12
On the efficient preconditioning of the Stokes equations in tight geometries	9
Two‐step Ulm–Chebyshev‐like method for inverse singular value problems	8
Total positivity and accurate computations with Gram matrices of Said‐Ball bases	8
A Bernoulli‐Barycentric Rational Matrix Collocation Method With Preconditioning for a Class of Evolutionary PDEs	8
Normalized Newton method to solve generalized tensor eigenvalue problems	8
Issue Information	8
Sine transform based preconditioning techniques for space fractional diffusion equations	8
Numerical algorithm for estimating a conditioned symmetric positive definite matrix under constraints	7
A New Matrix Truncation Method for Improving Approximate Factorization Preconditioners	7
Randomized low‐rank approximation of parameter‐dependent matrices	7
Fast and stable modification of the Gauss–Newton method for low‐rank signal estimation	7
A Rational Arnoldi Approach for Sobolev Rational Least Squares Problems	6

Dual Perturbation Method for Spectral Solution of Block‐Posed Harmonic Problems	6
Accurate bidiagonal decompositions of Cauchy–Vandermonde matrices of any rank	6
Adaptive Factored Incomplete Inverse Matrices	6
Fast Solution of Sylvester‐Structured Systems for Spatial Source Separation of the Cosmic Microwave Background	6
Matrix‐less methods for the spectral approximation of large non‐Hermitian Toeplitz matrices: A concise theoretical analysis and a numerical study	5
Fast iterative solver for the optimal control of time‐dependent PDEs with Crank–Nicolson discretization in time	5
Conditioning of hybrid variational data assimilation	5
CP decomposition for tensors via alternating least squares with QR decomposition	5
A unified rational Krylov method for elliptic and parabolic fractional diffusion problems	5
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On adapting Nesterov's scheme to accelerate iterative methods for linear problems	5
Study and Use of Spectral Symbol Properties for Isogeometric Matrices on Trimmed Geometries	5
Estimating and increasing the structural robustness of a network	5
Issue Information	5
Low‐order preconditioning of the Stokes equations	5
Robust Low‐Rank Tensor Recovery Using a Self‐Adaptive Learnable Weighted Tensor Total Variation Method	5
Subspace method for multiparameter‐eigenvalue problems based on tensor‐train representations	5
Selectable Set Randomized Kaczmarz	5
Solution methods to the nearest rotation matrix problem in ℝ3: A comparative survey	5
Weighted relaxation for multigrid reduction in time	4
Three adaptive hybrid derivative‐free projection methods for constrained monotone nonlinear equations and their applications	4
A sampling greedy average regularized Kaczmarz method for tensor recovery	4
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Accelerated schemes of compact difference methods for space‐fractional sine‐Gordon equations with distributed delay	4
Multilevel Additive Schwarz Preconditioners for High‐Order Block Implicit Methods for Parabolic Equations	4
Lower and upper bounds of condition number for Vandermonde‐wise matrices and method of fundamental solutions using pseudo radial‐lines	4
Randomized Orthogonalization Process With Reorthogonalization	4
Blockwise acceleration of alternating least squares for canonical tensor decomposition	4
Practical alternating least squares for tensor ring decomposition	4
Issue Information	4
Accurate bidiagonal decomposition of Lagrange–Vandermonde matrices and applications	4
Signal and image reconstruction with a double parameter Hager–Zhang‐type conjugate gradient method for system of nonlinear equations	4
Nonlinear approximation of functions based on nonnegative least squares solver	4
Nonnegative canonical tensor decomposition with linear constraints: nnCANDELINC	3
An iterative algorithm for low‐rank tensor completion problem with sparse noise and missing values	3
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Issue Information	3
A Semi‐Randomized and Augmented Kaczmarz Method With Simple Random Sampling for Large‐Scale Inconsistent Linear Systems	3
Issue Information	3
Reverse Quantile‐RK and Its Application to Quantile‐RK	3
Error bounds for the approximation of matrix functions with rational Krylov methods	3
Low‐rank updates of matrix square roots	3
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Structured Nuclear Norm Matrix Completion: Guaranteeing Exact Recovery via Block‐Column Scaling	3
Computing f‐divergences and distances of high‐dimensional probability density functions	3
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Robust tensor recovery via a nonconvex approach with ket augmentation and auto‐weighted strategy	3
Accelerating alternating least squares for tensor decomposition by pairwise perturbation	3
Memory‐efficient compression of ????ℋ²‐matrices for high‐frequency Helmholtz problems	3

Practical sketching‐based randomized tensor ring decomposition	3
Issue Information	3
Smoothed Moreau‐Yosida Tensor‐Train Approximation of State‐Constrained Optimization Problems Under Uncertainty	3
Quasi‐Newton variable preconditioning for nonlinear elasticity systems in 3D	3
Flexible subspace iteration with moments for an effective contour integration‐based eigensolver	3