OOIR: Observatory of International Research

Papers

(The TQCC of Operators and Matrices 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 2021-05-01 to 2025-05-01.)

Article	Citations
Dense subset of matrices having eigenvalues and singular values with minimum number of repetition	12
Convergence of the conjugate gradient method with unbounded operators	6
Refining some inequalities on 2 × 2 block accretive matrices	5
A note on some classes of G-matrices	5
Oppenheim-Schur's inequality and RKHS	5
Standard operator Jordan rings on Banach spaces, and their derivations	3
CBMO estimates for some multilinear operators on mixed Herz spaces	3
The Fourier transform of anisotropic Hardy spaces with variable exponents and their applications	3
Inequalities on 2 × 2 block accretive matrices	3
On a generalization of left and right invertible operators on Banach spaces	3
Weak-star dentability, quasi-weak-star near dentability and continuity of metric projector in Banach spaces	2
On the estimation of q-numerical radius of Hilbert space operators	2
Continuity between some special Köthe spaces	2
Bounds for the eigenvalues of non-monic operator polynomials	2
A special property of resistance matrices	2
On some algebraic properties of block Toeplitz matrices with commuting entries	2
The operator equation AXB=X and the Fuglede-Putnam type property	2
An interpolation property of reflections involving orthogonal projections	2
Unitary, self-adjoint and ᵊ5-symmetric weighted composition operators on Fock-Sobolev spaces	2
Berezin number inequalities via positivity of 2×2 block matrices	2
Refining and reversing Jensen's inequality	2
A generalization of Kleinecke-Shirokov theorem for matrices	2
Relative residual bounds for eigenvalues in gaps of the essential spectrum	2
Surface localization in impurity band with arbitrary singular disorder and long-range potentials	2
Spectral perturbation by rank m matrices	2

Minimal generating and separating sets for O(3)-invariants of several matrices	1
Mean ergodicity of multiplication operators on the Bloch and Besov spaces	1
Order boundedness and essential norm of generalized weighted composition operators on Bergman spaces with doubling weights	1
Local isometries on subspaces and subalgebras of function spaces	1
On approximate and actual reducibility of matrix groups	1
Computing the S-numerical ranges of differential operators	1
A constructive proof of a noncommutative Fejér-Riesz theorem	1
Numerical radii of weighted shift operators using determinantal polynomials	1
Addendum to: On a reduction procedure for Horn inequalities in finite von~Neumann algebras	1
Expansive operators which are power bounded or algebraic	1
On operators satisfying T^(T^2 T^2)^p T ⩾ T^(T^2 T^2)^p T	1
On the A_ɑ spectral radius of strongly connected digraphs	1
Minimal families of limit operators	1
Spectral representation of absolutely minimum attaining unbounded normal operators	1
Spectrum and fine spectrum of band matrices generated by oscillatory sequences	1
Duality of generalized Hardy and BMO spaces associated with singular partial differential operator	1
Distinguished subspaces of Topelitz operators on N_ɸ-type quotient modules	1
Some results on cauchy dual of conditional type operators	1
Further refinements of Davis-Wielandt radius inequalities	1
Preservers of condition spectra and pseudo spectra of Hermitian matrix Jordan products	1
A criterion of local derivations on the seven-dimensional simple Malcev algebra	1
The peak model for finite rank supersingular perturbations	1
On a characterization of Jeribi, Rakočević, Schechter, Schmoeger and Wolf essential spectra of a 3⨉3 block operator matrices with non diagonal domain and application	1
On solvability of Volterra-Hammerstein integral equations in two variables coordinatewise converging at infinity	1
Singly generated selfadjoint-ideal operator semigroups: spectral density of the generator and simplicity	1
The Friedrichs extension of regular symmetric differential operators	1
On 2×2 positive matrices of τ-measurable operators	1
On n-Lie derivations of triangular algebras	1
Positively limited p-convergent and weak* positively p-convergent operators	1
On the similarity of complex symmetric operators to perturbations of restrictions of normal operators	1
Multiple-term refinements for upper bound of the Hermite-Hadamard inequality and applications	1
Explicit solutions of matrix and dynamical Schrödinger equations and of KdV equation in terms of square roots of the generalised matrix eigenvalues	1
On the A ;1 spectral radius and A ;1 energy of non-strongly connected digraphs	1
Generalized weighted composition operators on weighted Hardy spaces	1
Gaps between some spectral characteristics of direct sum of Hilbert space operators	1
Disjoint hypercyclic powers of weighted translations on locally compact Hausdorff spaces	1
Dilations of linear maps on vector spaces	1
Approximate equivalence in von Neumann algebras	1
On number theoretic properties of the KdV frequencies	1
The Aleksandrov problem and the Tingley problem for expansive and nonexpansive operators in p-normed spaces	1