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

Article	Citations
The structured distance to singularity of a symmetric tridiagonal Toeplitz matrix	10
Application of the Schur-Cohn Theorem to the precise convergence domain for a p-cyclic SOR iteration matrix	9
A linear barycentric rational interpolant on starlike domains	9
A monolithic algebraic multigrid framework for multiphysics applications with examples from resistive MHD	8
Augmentation-based preconditioners for saddle-point systems with singular leading blocks	8
A space-time isogeometric method for the partial differential-algebraic system of Biot's poroelasticity model	6
A numerical method for solving systems of hypersingular integro-differential equations	6
A finite difference scheme for the approximation of the third initial boundary value parabolic problem	6
Iterative Lavrentiev regularization method under a heuristic rule for nonlinear ill-posed operator equations	6
A contribution to the conditioning of the mixed least-squares scaled total least-squares problem	5
Regularized functional matching pursuit for the spherical multiple-shell electro-magnetoencephalography problem	5
A Gauss-Laguerre approach for the resolvent of fractional powers	5
On the numerical solution of an elliptic problem with nonlocal boundary conditions	5
Regular convergence and finite element methods for eigenvalue problems	5
Optimal $W^{1,\infty}$-estimates for an isoparametric finite element discretization of elliptic boundary value problems	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
Nonequispaced Fast Fourier Transform Boost for the Sinkhorn Algorithm	4
Structured condition numbers for a linear function of the solution of the generalized saddle point problem	4
Dimensional reduction for multivariate Lagrange polynomial interpolation problems	4
A stable numerical method for integral epidemic models with behavioral changes in contact patterns	3
Error bounds for Gaussian quadrature formulae with Legendre weight function for analytic integrands	3
An enhancement of the convergence of the IDR method	3
Rectangular GLT sequences	3
Porting an aggregation-based algebraic multigrid method to GPUs	3

A decoupling finite element method with different time steps for the micropolar fluid model	3
Convergence of the Eberlein diagonalization method under generalized serial pivot strategies	3
Spectral properties of certain nonsymmetric saddle point matrices	3
Well-defined forward operators in dynamic diffractive tensor tomography using viscosity solutions of transport equations	2
Two-grid deflated Krylov methods for linear equations	2
On the tangential cone condition for electrical impedance tomography	2
Symmetrization techniques in image deblurring	2
	2
On trigonometric interpolation in an even number of points	2
Efficient third-order tensor-oriented directional splitting for exponential integrators	2
A computational framework for edge-preserving regularization in dynamic inverse problems	2
Filtered polynomial interpolation for scaling 3D images	2
Operator ordering by ill-posedness in Hilbert and Banach spaces	2
	2
Order conditions for nonlinearly partitioned Runge-Kutta methods	2
Explicit deflation in Golub-Kahan-Lanczos bidiagonalization methods	2
A single shooting method with approximate Fréchet derivative for computing geodesics on the Stiefel manifold	2
LSEMINK: a modified Newton–Krylov method for Log-Sum-Exp minimization	2
CP decomposition and low-rank approximation of antisymmetric tensors	2
One-step convergence of inexact Anderson acceleration for contractive and non-contractive mappings	2
Multigrid reduction in time for non-linear hyperbolic equations	2
Decomposition and composition of deep convolutional neural networks and training acceleration via sub-network transfer learning	2
Numerical stability of structure-preserving direct solvers for centrosymmetric linear systems	2
Domain truncation, absorbing boundary conditions, Schur complements, and Padé approximation	2
Multi-scale spectral methods for bounded radially symmetric capillary surfaces	2
A posteriori error estimates for stabilised mixed finite element methods for a nonlinear elliptic problem	2
Relative perturbation tanΘ-theorems for definite matrix pairs	2
A deep learning based nonlinear upscaling method for transport equations	2
A Riemannian conjugate gradient method for solving the tensor fixed-rank least-squares problem	2