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 2021-06-01 to 2025-06-01.)

Article	Citations
The angular spectrum of the $\boldsymbol{3\times 3}$ copositive cone	22
Recovering the characteristic polynomial of a graph from entries of the adjugate matrix	15
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
On solutions of matrix equation ${AX=B}$ over a Bezout domain	5
On condition numbers of quaternion matrix inverse and quaternion linear systems with multiple right-hand sides	5
Group inverses of matrices of directed trees	4
Remarks on "Comparison between the Laplacian energy-like invariant and the Kirchhoff index''	4
The algebra generated by nilpotent elements in a matrix centralizer	4
The maximal angle between 5×5 positive semidefinite and 5×5 nonnegative matrices	4
New results on $M$-matrices, $H$-matrices and their inverse classes	3
Eigenvalues for stochastic matrices with a prescribed stationary distribution	3
New sufficient conditions for subdirect sums of Nekrasov matrices	3
The non-symmetric strong multiplicity property for sign patterns	3
Flag-shaped blockers of 123-avoiding permutation matrices	3
Schur functions and immanantal identities	3
Accurate computations with totally positive matrices applied to the computation of Gaussian quadrature formulae	3
The vertex connectivity and the third largest eigenvalue in regular (multi-)graphs	3
Decompositions of matrices into a sum of invertible matrices and matrices of fixed nilpotence	3
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
Spectral conditions for rainbow matchings of bipartite graphs	2
Multiplicativity of permanents over matrix semirings	2
Flat portions on the boundary of the numerical range of a 5 × 5 companion matrix	2

Extremal spectral radii of uniform supertrees	2
Trees with maximum sum of the two largest Laplacian eigenvalues	2
Adapted AZNN methods for time-varying and static matrix problems	2
An extension of the Perron-Frobenius theory to arbitrary matrices and cones	2
On the estimation of ${x}^TA^{-1}{x}$ for symmetric matrices	2
Probabilistic zero forcing with vertex reversion	2
Kronecker products of Perron similarities	2
mth roots of H-selfadjoint matrices over the quaternions	2
Sign patterns of rational matrices with large rank II	2
The allow sequence of distinct eigenvalues for a sign pattern	1
Reverse order law and forward order law for the (b, c)-inverse	1
Inverse of the squared distance matrix of a complete multipartite graph	1
Semipositivity with respect to the Lorentz cone	1
Minimal rank weighted weak Drazin inverses	1
A new weighted spectral geometric mean and properties	1
The matrix inverse Young inequality	1
Matrices having nonzero outer inverses	1
Inverse eigenvalue and related problems for hollow matrices described by graphs	1
Commuting additive maps on upper triangular and strictly upper triangular infinite matrices	1
Linear maps that preserve parts of the spectrum on pairs of similar matrices	1
Relation between the row left rank of a quaternion unit gain graph and the rank of its underlying graph	1
The products of involutions in a matrix centralizer	1
A note on semiscalar equivalence of polynomial matrices	1
Strong cospectrality and twin vertices in weighted graphs	1
Majorization inequalities via convex functions	1
Totally bipartite tridiagonal pairs	1
Semirings in which the permanent of invertible matrices is multiplicative	1
Positive and negative square energies of graphs	1
LIGHTS OUT! on graph products over the ring of integers modulo k	1
Concave function inequalities for sum of matrices	1
Preservers of the p-power and the Wasserstein means on 2x2 matrices	1
A note on bounds for eigenvalues of nonsingular H-tensors	1
Versal deformations: a tool of linear algebra	1
Numerical range for weighted Moore-Penrose inverse of tensor	1
Potentially stable and 5-by-5 spectrally arbitrary tree sign pattern matrices with all edges negative	1
Token graphs of Cayley graphs as lifts	1
The maximum spectral radius of graphs with a large core	1
A note on commuting additive maps on rank k symmetric matrices	1
Near-bipartite Leonard pairs	1
Fillmore's theorem and sums of nilpotent quaternion matrices	1
On the numerical range of Kac-Sylvester matrices	1
A new method to improve the efficiency and accuracy of incremental singular value decomposition	1
Simple necessary conditions for Hadamard factorizability of Hurwitz polynomials	1
Multi-alternating sign matrices	1
The Graham-Hoffman-Hosoya-type theorems for the exponential distance matrix	1