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 2021-12-01 to 2025-12-01.)

Article	Citations
Hierarchical adaptive low‐rank format with applications to discretized partial differential equations	27
Rank‐structured approximation of some Cauchy matrices with sublinear complexity	21
Improved TriCG and TriMR Methods for Symmetric Quasi‐Definite Linear Systems	19
Inexact inner–outer Golub–Kahan bidiagonalization method: A relaxation strategy	17
Asymptotics for the eigenvalues of Toeplitz matrices with a symbol having a power singularity	16
Issue Information	14
Convergence of the block Lanczos method for the trust‐region subproblem in the hard case	14
Stabilized Krylov Subspace Recurrences via Randomized Sketching	13
Dynamically accelerating the power iteration with momentum	10
On the efficient preconditioning of the Stokes equations in tight geometries	9
Structure‐Preserving Model Reduction Approach for Structured Index‐2 Descriptor‐Systems	9
	9
Accelerated Gradient Descent With Quasi‐Newton Preconditioning for Nearest Correlation Matrix Problems	8
Two‐step Ulm–Chebyshev‐like method for inverse singular value problems	8
Volume‐based subset selection	8
Issue Information	8
A fast and accurate algorithm for solving linear systems associated with a class of negative matrix	8
Optimal polynomial smoothers for multigrid V‐cycles	8
A Bernoulli‐Barycentric Rational Matrix Collocation Method With Preconditioning for a Class of Evolutionary PDEs	7
A New Matrix Truncation Method for Improving Approximate Factorization Preconditioners	7
A Fast Iterative Method for Variable‐Order Time‐Fractional Optimal Control Problem	7
Sine transform based preconditioning techniques for space fractional diffusion equations	7
Total positivity and accurate computations with Gram matrices of Said‐Ball bases	7
Adaptive Factored Incomplete Inverse Matrices	6
Fast and stable modification of the Gauss–Newton method for low‐rank signal estimation	6

Normalized Newton method to solve generalized tensor eigenvalue problems	6
Numerical algorithm for estimating a conditioned symmetric positive definite matrix under constraints	6
A Rational Arnoldi Approach for Sobolev Rational Least Squares Problems	6
Fast Solution of Sylvester‐Structured Systems for Spatial Source Separation of the Cosmic Microwave Background	6
Randomized low‐rank approximation of parameter‐dependent matrices	6
Dual Perturbation Method for Spectral Solution of Block‐Posed Harmonic Problems	6
Study and Use of Spectral Symbol Properties for Isogeometric Matrices on Trimmed Geometries	5
Subspace method for multiparameter‐eigenvalue problems based on tensor‐train representations	5
	5
Issue Information	5
A unified rational Krylov method for elliptic and parabolic fractional diffusion problems	5
Accurate bidiagonal decompositions of Cauchy–Vandermonde matrices of any rank	5
Conditioning of hybrid variational data assimilation	5
Robust Low‐Rank Tensor Recovery Using a Self‐Adaptive Learnable Weighted Tensor Total Variation Method	5
Fast iterative solver for the optimal control of time‐dependent PDEs with Crank–Nicolson discretization in time	5
CP decomposition for tensors via alternating least squares with QR decomposition	5
	5
Matrix‐less methods for the spectral approximation of large non‐Hermitian Toeplitz matrices: A concise theoretical analysis and a numerical study	5
Low‐order preconditioning of the Stokes equations	5
Randomized Orthogonalization Process With Reorthogonalization	5
Solution methods to the nearest rotation matrix problem in ℝ3: A comparative survey	4
Weighted relaxation for multigrid reduction in time	4
Practical alternating least squares for tensor ring decomposition	4
Selectable Set Randomized Kaczmarz	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
Multilevel Additive Schwarz Preconditioners for High‐Order Block Implicit Methods for Parabolic Equations	4
Issue Information	4
	4
Accelerated schemes of compact difference methods for space‐fractional sine‐Gordon equations with distributed delay	4
Accurate bidiagonal decomposition of Lagrange–Vandermonde matrices and applications	3
Low‐rank updates of matrix square roots	3
Three adaptive hybrid derivative‐free projection methods for constrained monotone nonlinear equations and their applications	3
Error bounds for the approximation of matrix functions with rational Krylov methods	3
	3
	3
Practical sketching‐based randomized tensor ring decomposition	3
	3
Structured Nuclear Norm Matrix Completion: Guaranteeing Exact Recovery via Block‐Column Scaling	3
Lower and upper bounds of condition number for Vandermonde‐wise matrices and method of fundamental solutions using pseudo radial‐lines	3
An iterative algorithm for low‐rank tensor completion problem with sparse noise and missing values	3
Memory‐efficient compression of ????ℋ²‐matrices for high‐frequency Helmholtz problems	3
Investigating the Numerical Determination of the Field of Values via Taylor Approximation	3
Smoothed Moreau‐Yosida Tensor‐Train Approximation of State‐Constrained Optimization Problems Under Uncertainty	3
A sampling greedy average regularized Kaczmarz method for tensor recovery	3
Blockwise acceleration of alternating least squares for canonical tensor decomposition	3
Low‐Rank SPIKE Framework for Solving Large Sparse Linear Systems With Applications	3
Issue Information	3
Nonnegative canonical tensor decomposition with linear constraints: nnCANDELINC	3
Accelerating alternating least squares for tensor decomposition by pairwise perturbation	3

Flexible subspace iteration with moments for an effective contour integration‐based eigensolver