OOIR: Observatory of International Research

Papers

(The TQCC of Electronic Journal of Linear Algebra is 1. 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 2021-09-01 to 2025-09-01.)

Article	Citations
The angular spectrum of the $\boldsymbol{3\times 3}$ copositive cone	16
Recovering the characteristic polynomial of a graph from entries of the adjugate matrix	7
The Moore-Penrose inverse of the distance matrix of a helm graph	7
Generalized Commutators and the Moore-Penrose Inverse	6
On the sum of the k largest absolute values of Laplacian eigenvalues of digraphs	6
Decompositions of matrices into a sum of invertible matrices and matrices of fixed nilpotence	5
Remarks on "Comparison between the Laplacian energy-like invariant and the Kirchhoff index''	5
On solutions of matrix equation ${AX=B}$ over a Bezout domain	5
The maximal angle between 5×5 positive semidefinite and 5×5 nonnegative matrices	4
Group inverses of matrices of directed trees	4
The algebra generated by nilpotent elements in a matrix centralizer	4
On condition numbers of quaternion matrix inverse and quaternion linear systems with multiple right-hand sides	3
New results on $M$-matrices, $H$-matrices and their inverse classes	3
Accurate computations with totally positive matrices applied to the computation of Gaussian quadrature formulae	3
On the rank of m×2×2 and m×3×2 tensors over arbitrary fields	3
New sufficient conditions for subdirect sums of Nekrasov matrices	3
The vertex connectivity and the third largest eigenvalue in regular (multi-)graphs	3
Eigenvalues for stochastic matrices with a prescribed stationary distribution	3
The non-symmetric strong multiplicity property for sign patterns	3
Schur functions and immanantal identities	3
Flag-shaped blockers of 123-avoiding permutation matrices	3
Flat portions on the boundary of the numerical range of a 5 × 5 companion matrix	2
Commuting additive maps on upper triangular and strictly upper triangular infinite matrices	2
A note on the boundary of the Birkhoff-James ε-orthogonality sets	2
Lyapunov-like transformations on the tensor product of nuclear pairs of proper cones	2

Kronecker products of Perron similarities	2
An extension of the Perron-Frobenius theory to arbitrary matrices and cones	2
Concave function inequalities for sum of matrices	2
Matrices having nonzero outer inverses	2
Extremal spectral radii of uniform supertrees	2
Adapted AZNN methods for time-varying and static matrix problems	2
Spectral conditions for rainbow matchings of bipartite graphs	2
Sign patterns of rational matrices with large rank II	2
Preservers of the p-power and the Wasserstein means on 2x2 matrices	2
Multiplicativity of permanents over matrix semirings	2
Probabilistic zero forcing with vertex reversion	2
Trees with maximum sum of the two largest Laplacian eigenvalues	2
Eigenvalues and component factors in graphs	2
Minimal rank weighted weak Drazin inverses	1
The products of involutions in a matrix centralizer	1
Principal eigenvectors in hypergraph Turán problems	1
On $m$-th roots of nilpotent matrices	1
Reverse order law and forward order law for the (b, c)-inverse	1
Strong cospectrality and twin vertices in weighted graphs	1
Inverse of the squared distance matrix of a complete multipartite graph	1
A new weighted spectral geometric mean and properties	1
On the numerical range of Kac-Sylvester matrices	1
Fillmore's theorem and sums of nilpotent quaternion matrices	1
A note on commuting additive maps on rank k symmetric matrices	1
A new method to improve the efficiency and accuracy of incremental singular value decomposition	1
The matrix inverse Young inequality	1
Token graphs of Cayley graphs as lifts	1
The Hamiltonian extended Krylov subspace method	1
Generalized Standard Triples for Algebraic Linearizations of Matrix Polynomials	1
Upper bounds on the algebraic connectivity of graphs	1
A note on semiscalar equivalence of polynomial matrices	1
Versal deformations: a tool of linear algebra	1
Near-bipartite Leonard pairs	1
On dimensions of maximal faces of completely positive cones	1
Semirings in which the permanent of invertible matrices is multiplicative	1
Inverse eigenvalue and related problems for hollow matrices described by graphs	1
Graph products that allow two distinct eigenvalues	1
Simple necessary conditions for Hadamard factorizability of Hurwitz polynomials	1
Majorization inequalities via convex functions	1
Semipositivity with respect to the Lorentz cone	1
Characterization of invariant subspaces for a nilpotent linear operator that admit complementary invariant subspaces	1
The allow sequence of distinct eigenvalues for a sign pattern	1
The Graham-Hoffman-Hosoya-type theorems for the exponential distance matrix	1
The maximum spectral radius of graphs with a large core	1
A note on bounds for eigenvalues of nonsingular H-tensors	1
Numerical range for weighted Moore-Penrose inverse of tensor	1
Multi-alternating sign matrices	1
Relation between the row left rank of a quaternion unit gain graph and the rank of its underlying graph	1
Positive and negative square energies of graphs	1
Linear maps that preserve parts of the spectrum on pairs of similar matrices	1