OOIR: Observatory of International Research

Papers

(The TQCC of Electronic Transactions on Numerical Analysis is 2. 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 2022-08-01 to 2026-08-01.)

Article	Citations
The structured distance to singularity of a symmetric tridiagonal Toeplitz matrix	13
Augmentation-based preconditioners for saddle-point systems with singular leading blocks	10
Application of the Schur-Cohn Theorem to the precise convergence domain for a p-cyclic SOR iteration matrix	9
Iterative Lavrentiev regularization method under a heuristic rule for nonlinear ill-posed operator equations	8
A finite difference scheme for the approximation of the third initial boundary value parabolic problem	7
Structured backward errors of sparse generalized saddle point problems with Hermitian block matrices	7
On the numerical solution of an elliptic problem with nonlocal boundary conditions	6
A numerical method for solving systems of hypersingular integro-differential equations	6
Asymptotic estimates of the error bound for Gauss-Radau quadratures	6
Regular convergence and finite element methods for eigenvalue problems	5
Dimensional reduction for multivariate Lagrange polynomial interpolation problems	4
A stable numerical method for integral epidemic models with behavioral changes in contact patterns	4
Computation of Gauss-type quadrature rules	4
Convergence analysis of a Krylov subspace spectral method for the 1D wave equation in an inhomogeneous medium	4
Structured condition numbers for a linear function of the solution of the generalized saddle point problem	4
Biased superiorization of steepest descent: redefining the reconstruction target in noisy inverse problems	4
A Gauss-Laguerre approach for the resolvent of fractional powers	4
An approach to discrete operator learning based on sparse high-dimensional approximation	4
Again about the numerical solution of systems of linear algebraic equations with symmetric nonsingular nondefinite matrices by the Lanczos method	4
Nonequispaced Fast Fourier Transform Boost for the Sinkhorn Algorithm	4
An enhancement of the convergence of the IDR method	3
Numerical stability of structure-preserving direct solvers for centrosymmetric linear systems	3
Fast evaluation of additive kernels: feature arrangement, Fourier methods, and kernel derivatives	3
Symmetrization techniques in image deblurring	3
Operator ordering by ill-posedness in Hilbert and Banach spaces	3

Two-grid deflated Krylov methods for linear equations	3
Spectral properties of certain nonsymmetric saddle point matrices	3
Convergence of the Eberlein diagonalization method under generalized serial pivot strategies	3
Explicit deflation in Golub-Kahan-Lanczos bidiagonalization methods	3
Order conditions for nonlinearly partitioned Runge-Kutta methods	3
LSEMINK: a modified Newton–Krylov method for Log-Sum-Exp minimization	2
A novel Krylov subspace method for approximating Fréchet derivatives of large-scale matrix functions	2
Filtered polynomial interpolation for scaling 3D images	2
	2
Spectral function space learning and numerical linear algebra networks for solving linear inverse problems	2
A computational framework for edge-preserving regularization in dynamic inverse problems	2
	2
Multi-scale spectral methods for bounded radially symmetric capillary surfaces	2
A single shooting method with approximate Fréchet derivative for computing geodesics on the Stiefel manifold	2
Efficient third-order tensor-oriented directional splitting for exponential integrators	2
On convergence and accuracy of the J-Jacobi method under the de Rijk pivot strategy	2
An a posteriori error estimator for electrically coupled liquid-crystal equilibrium configurations	2
Bayesian identification of material parameters in viscoelastic structures as an inverse problem in a semigroup setting	2
Domain truncation, absorbing boundary conditions, Schur complements, and Padé approximation	2
Relative perturbation tanΘ-theorems for definite matrix pairs	2
On trigonometric interpolation in an even number of points	2
CP decomposition and low-rank approximation of antisymmetric tensors	2