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 2022-06-01 to 2026-06-01.)

Article	Citations
Oppenheim-Schur's inequality and RKHS	8
Dense subset of matrices having eigenvalues and singular values with minimum number of repetition	8
CBMO estimates for some multilinear operators on mixed Herz spaces	7
Berezin number inequalities via positivity of 2×2 block matrices	6
A special property of resistance matrices	6
Surface localization in impurity band with arbitrary singular disorder and long-range potentials	6
Spectral perturbation by rank m matrices	6
Bounds for the eigenvalues of non-monic operator polynomials	5
A generalization of Kleinecke-Shirokov theorem for matrices	5
On the estimation of q-numerical radius of Hilbert space operators	4
Weighted norm estimates for commutators of several square functions	4
Continuity between some special Köthe spaces	4
The operator equation AXB=X and the Fuglede-Putnam type property	4
Compact weighted composition-differentiation operators of order n on the Hardy space	3
The Aleksandrov problem and the Tingley problem for expansive and nonexpansive operators in p-normed spaces	3
On number theoretic properties of the KdV frequencies	3
Relative residual bounds for eigenvalues in gaps of the essential spectrum	3
On 2×2 positive matrices of τ-measurable operators	3
The Berezin radius and the Berezin norm associated with the tensor product	3
Minimal generating and separating sets for O(3)-invariants of several matrices	3
Sufficient conditions for factor posets of frames in R^n and their graph associations	3
Singly generated selfadjoint-ideal operator semigroups: spectral density of the generator and simplicity	3
Jacobson's lemma for the operators admitting Saphar decompositions	3
Addendum to: On a reduction procedure for Horn inequalities in finite von~Neumann algebras	2
Properties of integral operators on Bergman-Morrey spaces	2

The peak model for finite rank supersingular perturbations	2
Spectrum and fine spectrum of band matrices generated by oscillatory sequences	2
A constructive proof of a noncommutative Fejér-Riesz theorem	2
Refinements of Audenaert interpolation inequality	2
Generalized weighted composition operators on weighted Hardy spaces	2
On the A ;1 spectral radius and A ;1 energy of non-strongly connected digraphs	2
Order boundedness and essential norm of generalized weighted composition operators on Bergman spaces with doubling weights	2
Spectral representation of absolutely minimum attaining unbounded normal operators	2
Further refinements of Davis-Wielandt radius inequalities	2
On solvability of Volterra-Hammerstein integral equations in two variables coordinatewise converging at infinity	2
Converse of Fuglede Theorem	1
Some properties of exact phase retrievable subspaces	1
The Hilbert matrix operator acting on spaces of bounded analytic functions	1
Approximate equivalence in von Neumann algebras	1
Further properties of the minus order in Hilbert spaces	1
Multiple-term refinements for upper bound of the Hermite-Hadamard inequality and applications	1
Joint spectrum shrinking maps on projections	1
Uncertainty inequalities for weighted spaces of analytic functions on the unit disk	1
Some refinements of real power form inequalities for (p,h)-convex functions via weak sub-majorization	1
Numerical ranges of some Foguel operators	1
Maps preserving the local spectrum of generalized product of operators	1
Nonadditive commuting mappings on triangular n-matrix rings	1
Computing the S-numerical ranges of differential operators	1
Preservers of condition spectra and pseudo spectra of Hermitian matrix Jordan products	1
A generalization of the weighted algebraic numerical radius on C*-algebras	1
Operator radius inequalities for several operators on Hilbert spaces	1
Some inequalities related to numerical radius and distance from scalar operators in Hilbert spaces	1
Inequalities for the weighted A-numerical radius of semi-Hilbertian space operators	1
Further inequalities for normal matrices	1
Nonlinear skew Lie type higher derivations on some operator algebras	1
Remarks on scalable frames	1
Duality of generalized Hardy and BMO spaces associated with singular partial differential operator	1
On approximate and actual reducibility of matrix groups	1
Positively limited p-convergent and weak* positively p-convergent operators	1
On Ando-Hiai type inequalities for sectorial matrices	1
Note on bounds for second extreme eigenvalues of Hermitian matrices	1
The properties of the product of two orthogonal projections	1
Log-majorization of Gan-Liu-Tam type	1
Some inequalities for eigenvalues and positive linear maps	1