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 2022-05-01 to 2026-05-01.)

Article	Citations
Rank‐structured approximation of some Cauchy matrices with sublinear complexity	39
Inexact inner–outer Golub–Kahan bidiagonalization method: A relaxation strategy	20
Asymptotics for the eigenvalues of Toeplitz matrices with a symbol having a power singularity	19
Convergence of the block Lanczos method for the trust‐region subproblem in the hard case	18
Issue Information	15
Structure‐Preserving Model Reduction Approach for Structured Index‐2 Descriptor‐Systems	12
Dynamically accelerating the power iteration with momentum	12
Improved TriCG and TriMR Methods for Symmetric Quasi‐Definite Linear Systems	10
Hierarchical adaptive low‐rank format with applications to discretized partial differential equations	10
Refined Error Bounds for Relaxed Greedy Randomized Kaczmarz Methods	10
Robust Quaternion Matrix Completion via Fast Randomized Low‐Rank Approximation	10
	10
A fast and accurate algorithm for solving linear systems associated with a class of negative matrix	9
Accelerated Gradient Descent With Quasi‐Newton Preconditioning for Nearest Correlation Matrix Problems	9
Stabilized Krylov Subspace Recurrences via Randomized Sketching	9
On the efficient preconditioning of the Stokes equations in tight geometries	8
Volume‐based subset selection	8
Optimal polynomial smoothers for multigrid V‐cycles	8
Issue Information	8
	8
An Inertial‐Relaxed Newton‐Type Projection Method for Solving Nonlinear Equations With Applications	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
Sine transform based preconditioning techniques for space fractional diffusion equations	7
Total positivity and accurate computations with Gram matrices of Said‐Ball bases	7

Normalized Newton method to solve generalized tensor eigenvalue problems	7
A Fast Iterative Method for Variable‐Order Time‐Fractional Optimal Control Problem	7
A Rational Arnoldi Approach for Sobolev Rational Least Squares Problems	6
Adaptive Factored Incomplete Inverse Matrices	6
Accurate bidiagonal decompositions of Cauchy–Vandermonde matrices of any rank	6
Randomized Quaternion Generalized Singular Value Decomposition Algorithms With Error Analysis	6
Numerical algorithm for estimating a conditioned symmetric positive definite matrix under constraints	6
A Riemannian Gradient Descent Method for Optimization on the Indefinite Stiefel Manifold	6
Overlapping Schwarz Methods Are Not Anisotropy‐Robust Multigrid Smoothers	6
Dual Perturbation Method for Spectral Solution of Block‐Posed Harmonic Problems	6
Randomized low‐rank approximation of parameter‐dependent matrices	6
Fast Solution of Sylvester‐Structured Systems for Spatial Source Separation of the Cosmic Microwave Background	6
Conditioning of hybrid variational data assimilation	5
Issue Information	5
Robust Low‐Rank Tensor Recovery Using a Self‐Adaptive Learnable Weighted Tensor Total Variation Method	5
Matrix‐less methods for the spectral approximation of large non‐Hermitian Toeplitz matrices: A concise theoretical analysis and a numerical study	5
The Block Preconditioned SOR Method for Solving Indefinite Complex Linear Systems	5
	5
Study and Use of Spectral Symbol Properties for Isogeometric Matrices on Trimmed Geometries	4
Issue Information	4
Signal and image reconstruction with a double parameter Hager–Zhang‐type conjugate gradient method for system of nonlinear equations	4
Multilevel Additive Schwarz Preconditioners for High‐Order Block Implicit Methods for Parabolic Equations	4
A Preconditioner for Solving Linear Programming Problems With Dense Columns	4
CP decomposition for tensors via alternating least squares with QR decomposition	4
A unified rational Krylov method for elliptic and parabolic fractional diffusion problems	4
Solution methods to the nearest rotation matrix problem in ℝ3: A comparative survey	4
Practical alternating least squares for tensor ring decomposition	4
Selectable Set Randomized Kaczmarz	4
Randomized Orthogonalization Process With Reorthogonalization	4
	4
A sampling greedy average regularized Kaczmarz method for tensor recovery	4
Three adaptive hybrid derivative‐free projection methods for constrained monotone nonlinear equations and their applications	3
Accurate bidiagonal decomposition of Lagrange–Vandermonde matrices and applications	3
Issue Information	3
Nonlinear approximation of functions based on nonnegative least squares solver	3
A τ Preconditioner for Options Pricing Problem Under Jump‐Diffusion Models	3
	3
Weighted relaxation for multigrid reduction in time	3
Low‐rank updates of matrix square roots	3
Structured Nuclear Norm Matrix Completion: Guaranteeing Exact Recovery via Block‐Column Scaling	3
An Extended Krylov Subspace Method for Decoding Edge‐Based Compressed Images by Homogeneous Diffusion	3
Low‐Rank SPIKE Framework for Solving Large Sparse Linear Systems With Applications	3
Accelerated schemes of compact difference methods for space‐fractional sine‐Gordon equations with distributed delay	3
Blockwise acceleration of alternating least squares for canonical tensor decomposition	3
Lower and upper bounds of condition number for Vandermonde‐wise matrices and method of fundamental solutions using pseudo radial‐lines	3
Convergence Analysis of an Alternating Nonlinear GMRES on Linear Systems	3