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 2021-08-01 to 2025-08-01.)

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	18
Stabilized Krylov Subspace Recurrences via Randomized Sketching	17
Issue Information	17
Dynamically accelerating the power iteration with momentum	16
Structure‐Preserving Model Reduction Approach for Structured Index‐2 Descriptor‐Systems	15
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
Rank‐structured approximation of some Cauchy matrices with sublinear complexity	14
A fast and accurate algorithm for solving linear systems associated with a class of negative matrix	13
Optimal polynomial smoothers for multigrid V‐cycles	12
On the efficient preconditioning of the Stokes equations in tight geometries	12
Volume‐based subset selection	9
Normalized Newton method to solve generalized tensor eigenvalue problems	8
Issue Information	8
A Bernoulli‐Barycentric Rational Matrix Collocation Method With Preconditioning for a Class of Evolutionary PDEs	8
Two‐step Ulm–Chebyshev‐like method for inverse singular value problems	8
Total positivity and accurate computations with Gram matrices of Said‐Ball bases	7
Sine transform based preconditioning techniques for space fractional diffusion equations	7
A New Matrix Truncation Method for Improving Approximate Factorization Preconditioners	7
Adaptive Factored Incomplete Inverse Matrices	7
A Rational Arnoldi Approach for Sobolev Rational Least Squares Problems	7
Dual Perturbation Method for Spectral Solution of Block‐Posed Harmonic Problems	7
Randomized low‐rank approximation of parameter‐dependent matrices	6

Robust Low‐Rank Tensor Recovery Using a Self‐Adaptive Learnable Weighted Tensor Total Variation Method	6
Fast and stable modification of the Gauss–Newton method for low‐rank signal estimation	6
Numerical algorithm for estimating a conditioned symmetric positive definite matrix under constraints	6
Block low‐rank single precision coarse grid solvers for extreme scale multigrid methods	6
Fast Solution of Sylvester‐Structured Systems for Spatial Source Separation of the Cosmic Microwave Background	6
	5
Subspace method for multiparameter‐eigenvalue problems based on tensor‐train representations	5
Matrix‐less methods for the spectral approximation of large non‐Hermitian Toeplitz matrices: A concise theoretical analysis and a numerical study	5
Selectable Set Randomized Kaczmarz	5
On adapting Nesterov's scheme to accelerate iterative methods for linear problems	5
Low‐order preconditioning of the Stokes equations	5
Fast iterative solver for the optimal control of time‐dependent PDEs with Crank–Nicolson discretization in time	5
Study and Use of Spectral Symbol Properties for Isogeometric Matrices on Trimmed Geometries	5
CP decomposition for tensors via alternating least squares with QR decomposition	5
	5
Accurate bidiagonal decompositions of Cauchy–Vandermonde matrices of any rank	5
Conditioning of hybrid variational data assimilation	5
Estimating and increasing the structural robustness of a network	5
Blockwise acceleration of alternating least squares for canonical tensor decomposition	4
Signal and image reconstruction with a double parameter Hager–Zhang‐type conjugate gradient method for system of nonlinear equations	4
	4
Multilevel Additive Schwarz Preconditioners for High‐Order Block Implicit Methods for Parabolic Equations	4
Weighted relaxation for multigrid reduction in time	4
A sampling greedy average regularized Kaczmarz method for tensor recovery	4
A unified rational Krylov method for elliptic and parabolic fractional diffusion problems	4
Issue Information	4
Nonlinear approximation of functions based on nonnegative least squares solver	4
Accurate bidiagonal decomposition of Lagrange–Vandermonde matrices and applications	4
Issue Information	4
Solution methods to the nearest rotation matrix problem in ℝ3: A comparative survey	4
Randomized Orthogonalization Process With Reorthogonalization	4
Accelerated schemes of compact difference methods for space‐fractional sine‐Gordon equations with distributed delay	4
Practical alternating least squares for tensor ring decomposition	4
Three adaptive hybrid derivative‐free projection methods for constrained monotone nonlinear equations and their applications	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
	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
Issue Information	3
Computing f‐divergences and distances of high‐dimensional probability density functions	3
Error bounds for the approximation of matrix functions with rational Krylov methods	3
Lower and upper bounds of condition number for Vandermonde‐wise matrices and method of fundamental solutions using pseudo radial‐lines	3
	3
Low‐rank updates of matrix square roots	3
Reverse Quantile‐RK and Its Application to Quantile‐RK	3
Flexible subspace iteration with moments for an effective contour integration‐based eigensolver	3
A Semi‐Randomized and Augmented Kaczmarz Method With Simple Random Sampling for Large‐Scale Inconsistent Linear Systems	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
Robust tensor recovery via a nonconvex approach with ket augmentation and auto‐weighted strategy	3
Issue Information	3