OOIR: Observatory of International Research

Papers

(The TQCC of Banach Journal of Mathematical 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 2022-01-01 to 2026-01-01.)

Article	Citations
Flat portions of the numerical range of a $$6 \times 6$$ companion matrix	21
$$\mathcal {K}_1$$ and $$\mathcal {K}$$-groups of absolute matrix order unit spaces	19
One-sided invertibility of Toeplitz operators on the space of all holomorphic functions on finitely connected domains	16
A stationary approach for the Kato–Rosenblum theorem in von Neumann algebras	15
A Markovian and Roe-algebraic approach to asymptotic expansion in measure	14
p-Hankel matrices on Dirichlet-type spaces	12
Centre of a compact convex set	12
Approximate smoothness in normed linear spaces	9
Envelopes in Banach spaces	9
Some characterizations of the quasi-projection pairs and the matched projections	9
Difference of composition operators on the weighted Bergman spaces over the half-plane	9
$$(p,\sigma )$$-Absolute continuity of Bloch maps	8
On best approximations in Banach spaces from the perspective of orthogonality	8
Measure of non-compactness and limiting interpolation with slowly varying functions	8
On the strongly subdifferentiable points in Lipschitz-free spaces	7
New function classes of Morrey–Campanato type and their applications	7
Generalized Hilbert operators acting on weighted spaces of holomorphic functions with sup-norms	7
A new formula for the weighted Moore–Penrose inverse and its applications	7
Self-adjoint, unitary, and isometric weighted composition operators on quaternionic Fock space	7
Banach spaces with the (strong) Gelfand–Phillips property	6
Asymptotic dynamics of stochastic delay nonclassical diffusion equations on unbounded domains	6
Lattice renormings of $$C_0(X)$$ spaces	6
On a two-sided Guionnet–Jones–Shlyakhtenko construction and interpolated free group factors arising from finite groups	6
Bases in the spaces of Whitney jets	6
Characterizations of Lie derivations on Kadison–Singer algebras	6

Questions in linear recurrence II: Lineability properties	5
Quantifications of semi-boundedly complete bases and semi-shrinking bases	5
Weighted estimates for Schrödinger–Calderón–Zygmund operators with exponential decay	5
Nonlinear composition operators in $$bv_p$$-spaces: acting conditions and boundedness	5
Spectral analysis of bounded operators on semi-Hilbertian spaces	5
Compactness in spaces of functions of bounded variation from ideal perspective	5
On symmetric points with respect to the numerical radius norm	5
Holomorphic functions of finite order generated by Dirichlet series	5
Weak extended core inverse	5
Toeplitz operators on the Dirichlet space and the Brown Halmos operator identity	5
Elliptic boundary-value problems in some distribution spaces of generalized smoothness	4
Publisher Correction: The $$(n+1)$$-centered operator on a Hilbert $$C^*$$-module	4
The relations among the notions of various kinds of stability and their applications	4
Quasi-Banach modulation spaces and localization operators on locally compact abelian groups	4
Riesz representation theorems for positive linear operators	4
Generalized Hilbert operators acting on weighted Bergman spaces and Dirichlet spaces	4
Fibers and Gleason parts for the maximal ideal space of $${\mathcal {A}}_u(B_{\ell _p})$$	4
An inverse semigroup approach to self-similar k-graph $$C^*$$-algebras and simplicity	4
Anti-C*-algebras	4
On the doubly stochastic realization of spectra	4
Tingley’s problem for complex Banach spaces which do not satisfy the Hausdorff distance condition	4
Variable-coefficient viscoelastic wave equation with acoustic boundary conditions: global existence, blowup and energy decay rates	3
Helson–Lowdenslager and de Branges type theorems in the setting of continuous rotationally symmetric norms	3
Transfinite extension of nuclear dimension	3
Two-weight inequalities for multilinear maximal functions in Orlicz spaces	3
$$\alpha $$-z-Rényi relative entropy related quantities and their preservers	3
Localization operators on discrete modulation spaces	3
Metric embeddings of Laakso graphs into Banach spaces	3
Almost everywhere convergence for noncommutative spaces	3
Compactness of Hankel and Toeplitz operators on convex Reinhardt domains in $${\mathbb {C}}^2$$	3
Rigidity of Volterra-type integral operators on Hardy spaces of the unit ball	3
Smoothness in Orlicz–Lorentz spaces	3
Quantitative weighted estimates for generalized commutators of multilinear Calderón–Zygmund operators with the kernels of Dini type	3
The $$C^*$$-algebra of the variable Mautner group	3
The approximation and portray of stochastic Poincaré maps for stochastic slow-fast systems in Hilbert spaces	3
Weighted estimates for Forelli–Rudin type operators on the Hartogs triangle	3
Embedded unbounded order convergent sequences in topologically convergent nets in vector lattices	3
An extension of the a-numerical radius on $$C^*$$-algebras	3
Smoothness and very (strongly) smoothness of Orlicz function spaces equipped with s-norms	3
Characterizations on upper semi-Fredholmness of two-by-two operator matrices	3
Average sampling expansions from regular and irregular samples over shift-invariant subspaces on LCA groups	3
Nuclear and multiple 1-summing operators on $$X_{1}\times \cdots \times X_{k}\times c_{0}$$	3
In-betweenness and Heinz mean inequalities	3
Asymptotical behavior of non-autonomous stochastic reaction–diffusion equations with variable delay on $${\mathbb {R}}^N$$	3
Maximal numerical ranges of certain classes of operators and approximation	2
Orthogonalization in Clifford Hilbert modules and applications	2
Relatively compact sets of Banach space-valued bounded-variation spaces	2
The Bochner–Eberlein–Doss property for $$\textrm{Lip}(X,{\mathcal {A}})$$	2
Deformation quantization of projective schemes and differential operators	2
Generalized Calderón–Zygmund operators on the Hardy space $$H^1_\rho ({\mathcal {X}})$$	2

Computing real definite representations of Helton–Vinnikov theorem	2
Norm inequalities in $${\mathcal {L}}({\mathcal {X}})$$ and a geometric constant	2
Approximation of kernel projection operators in shift-invariant subspaces of function spaces with mixed norms	2
Banach–Stone theorems for disjointness preserving relations	2
Scaled packing entropy for amenable group actions	2
$$L^p$$-modules and $$L^p$$-correspondences	2
2-Rotund norms for unconditional and symmetric sequence spaces	2
Higher dimensional numerical range of Lie products on self-adjoint operators	2
Further results on the a-numerical range in $$C^*$$-algebras	2
Isomorphism of some new Kadison–Singer algebras	2
On density order of quasi-projection operators and dual wavelet frames	2
A class of closed manifolds in nonseparable Hilbert spaces	2
On the reflexivity properties of Banach bundles and Banach modules	2
An algebra structure for reproducing kernel Hilbert spaces	2
The $$\eta $$-(anti-)Hermitian solution to a constrained Sylvester-type generalized commutative quaternion matrix equation	2
Projective tensor products where every element is norm-attaining	2
The skew commutators of Toeplitz operators or Hankel operators on Hardy spaces	2
Toeplitz operators on several function spaces: decompositions yielding subnormality	2
Norm inequalities for hypercontractive quasinormal operators and related higher order Sylvester–Stein equations in ideals of compact operators	2
Representation and approximation of weighted Besov classes on the sphere	2
Carleson measures and Berezin-type operators on Fock spaces	2
Lipschitz-free spaces and approximating sequences of projections	2
Common spectral properties and $$\nu $$-convergence	2
The Haseman boundary value problem with matrix coefficient of semi-almost periodic type	2
A family of log-Bergman spaces (I): embedding problems and Littlewood-type theorems	2