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 2022-06-01 to 2026-06-01.)

Article	Citations
Rank‐structured approximation of some Cauchy matrices with sublinear complexity	41
Inexact inner–outer Golub–Kahan bidiagonalization method: A relaxation strategy	20
Issue Information	19
Convergence of the block Lanczos method for the trust‐region subproblem in the hard case	19
Structure‐Preserving Model Reduction Approach for Structured Index‐2 Descriptor‐Systems	15
Improved TriCG and TriMR Methods for Symmetric Quasi‐Definite Linear Systems	12
Dynamically accelerating the power iteration with momentum	12
	11
Asymptotics for the eigenvalues of Toeplitz matrices with a symbol having a power singularity	10
Refined Error Bounds for Relaxed Greedy Randomized Kaczmarz Methods	10
	10
Stabilized Krylov Subspace Recurrences via Randomized Sketching	10
Robust Quaternion Matrix Completion via Fast Randomized Low‐Rank Approximation	10
Hierarchical adaptive low‐rank format with applications to discretized partial differential equations	10
An Inertial‐Relaxed Newton‐Type Projection Method for Solving Nonlinear Equations With Applications	9
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
Issue Information	8
Volume‐based subset selection	8
Optimal polynomial smoothers for multigrid V‐cycles	8
On the efficient preconditioning of the Stokes equations in tight geometries	8
Normalized Newton method to solve generalized tensor eigenvalue problems	7
A Bernoulli‐Barycentric Rational Matrix Collocation Method With Preconditioning for a Class of Evolutionary PDEs	7
Sine transform based preconditioning techniques for space fractional diffusion equations	7
Randomized Quaternion Generalized Singular Value Decomposition Algorithms With Error Analysis	7

Dual Perturbation Method for Spectral Solution of Block‐Posed Harmonic Problems	7
A Fast Iterative Method for Variable‐Order Time‐Fractional Optimal Control Problem	7
A New Matrix Truncation Method for Improving Approximate Factorization Preconditioners	7
Total positivity and accurate computations with Gram matrices of Said‐Ball bases	7
Numerical algorithm for estimating a conditioned symmetric positive definite matrix under constraints	6
Adaptive Factored Incomplete Inverse Matrices	6
A Riemannian Gradient Descent Method for Optimization on the Indefinite Stiefel Manifold	6
A Rational Arnoldi Approach for Sobolev Rational Least Squares Problems	6
Modified Greedy Quasi Block Coordinate Descent Method for Solving Linear Least‐Squares Problems	6
Randomized low‐rank approximation of parameter‐dependent matrices	6
Overlapping Schwarz Methods Are Not Anisotropy‐Robust Multigrid Smoothers	6
Fast Solution of Sylvester‐Structured Systems for Spatial Source Separation of the Cosmic Microwave Background	6
Issue Information	5
The Block Preconditioned SOR Method for Solving Indefinite Complex Linear Systems	5
Accurate bidiagonal decompositions of Cauchy–Vandermonde matrices of any rank	5
Matrix‐less methods for the spectral approximation of large non‐Hermitian Toeplitz matrices: A concise theoretical analysis and a numerical study	5
Chebyshev Smoothing With Adaptive Block‐FSAI Preconditioners for the Multilevel Solution of Higher‐Order Problems With the Partition of Unity Method	5
Conditioning of hybrid variational data assimilation	5
Robust Low‐Rank Tensor Recovery Using a Self‐Adaptive Learnable Weighted Tensor Total Variation Method	5
Study and Use of Spectral Symbol Properties for Isogeometric Matrices on Trimmed Geometries	4
Randomized Orthogonalization Process With Reorthogonalization	4
Solution methods to the nearest rotation matrix problem in ℝ3: A comparative survey	4
Accurate bidiagonal decomposition of Lagrange–Vandermonde matrices and applications	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
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
	4
Selectable Set Randomized Kaczmarz	4
Issue Information	4
	4
A Preconditioner for Solving Linear Programming Problems With Dense Columns	4
Nonlinear approximation of functions based on nonnegative least squares solver	3
Low‐Rank SPIKE Framework for Solving Large Sparse Linear Systems With Applications	3
Lower and upper bounds of condition number for Vandermonde‐wise matrices and method of fundamental solutions using pseudo radial‐lines	3
A τ Preconditioner for Options Pricing Problem Under Jump‐Diffusion Models	3
A sampling greedy average regularized Kaczmarz method for tensor recovery	3
Accelerated schemes of compact difference methods for space‐fractional sine‐Gordon equations with distributed delay	3
Practical alternating least squares for tensor ring decomposition	3
Structured Nuclear Norm Matrix Completion: Guaranteeing Exact Recovery via Block‐Column Scaling	3
Issue Information	3
Weighted relaxation for multigrid reduction in time	3
Blockwise acceleration of alternating least squares for canonical tensor decomposition	3
Low‐rank updates of matrix square roots	3
Convergence Analysis of an Alternating Nonlinear GMRES on Linear Systems	3