OOIR: Observatory of International Research

Papers

(The TQCC of Annals of Functional Analysis 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 2022-01-01 to 2026-01-01.)

Article	Citations
Biharmonic systems involving a Rellich-type potential and multiple critical strongly coupled terms	22
Geometric constant for quantifying the difference between angular and skew angular distances in Banach spaces	11
The $$L^p$$–$$L^q$$ boundedness and compactness of Fock projections	9
Disjoint $$\mathscr {F}$$-transitivity and topological multiple recurrence of weighted composition operators on $$H(\mathbb {D})$$	8
On the energy of the ground state solution for a generalized Kadomtsev–Petviashvili equation	8
Characterizations of $$B^u_\omega $$ type Morrey–Triebel–Lizorkin spaces with variable smoothness and integrability	7
The Davis-Wielandt shell and the numerical range of composition operators on the Hardy space	7
Generalized nearly asymptotically nonexpansive mappings and a system of generalized variational-like inclusions: iterative method and approximation of common solutions	6
Generalization of some commutative perturbation results	6
Quantum injectivity of multi-window Gabor frames in finite dimensions	6
The essential spectrums of $$2\times 2$$ unbounded anti-triangular operator matrices	5
Single and multi-valued Hilbert-bundle renormings	5
The radial derivative operator on generalized Fock spaces	5
On controllability for a class of multi-term time-fractional random differential equations with state-dependent delay	5
A note on reducibility and n-hypercontractivity of extensions of Cowen–Douglas operators	5
Spectral enclosures for some unbounded $$n\times n$$ operator matrices	4
Some norm estimates for the triangular projection on the space of bounded linear operators between two symmetric sequence spaces	4
Dilations of oblique dual pairs of g-frame sequences	4
Morita invariance of unbounded bivariant K-theory	4
Perturbation formulae for the generalized core–EP inverse	4
On positive operator-valued measures generated by a family of one-dimensional projectors	4
Commuting Toeplitz operators with harmonic polynomial symbols on the Newton space	4
New properties and existence of exact phase-retrievable g-frames	4
Heat equations associated to harmonic oscillator with exponential nonlinearity	4
Some notes on weaving frames in Hilbert spaces	4

Real Paley–Wiener theorems for the linear canonical Dunkl transform	4
Toeplitz operators and group-moment coordinates for quasi-elliptic and quasi-hyperbolic symbols	4
Schatten class localization operators with Lorentz symbols	4
On Flett potentials associated with the Laplace–Bessel differential operator	4
Disjoint subspace-hypercyclic operators on separable Banach spaces	4
Weighted holomorphic mappings attaining their norms	4
On the eigenfunctions of the q-Bernstein operators	3
Scattering for a focusing Hartree equation	3
Fell topology and its application for some semidirect products	3
Phillips symmetric operators and functional calculus of maximal symmetric operators	3
Every commutative JB$$^*$$-triple satisfies the complex Mazur–Ulam property	3
Factorization of Bloch mappings through a Hilbert space	3
Generalized Fourier multipliers	3
Extension of isometries between the unit spheres of p-normed spaces	3
On the smoothness of normed spaces	3
The Weyl–von Neumann theorem for skew-symmetric operators	3
A strong converse inequality for generalized sampling operators	3
Hölder continuity of the gradients for non-homogenous elliptic equations of p(x)-Laplacian type	3
Fixed Point Theorem: variants, affine context and some consequences	3
Estimates for harmonic reproducing kernel and Bergman type operators on mixed norm and Besov spaces in the real ball	3
An inverse boundary value problem for the incompressible inhomogeneous Navier–Stokes equations	3
Self-similar groupoid actions on k-graphs, and invariance of K-theory for cocycle homotopies	3
Characterization of a-Birkhoff–James orthogonality in $$C^*$$-algebras and its applications	3
New weighted norm inequalities for multilinear singular integral operators with generalized kernels and their commutators	3
Trace cohomology revisited	3
On sequential greedy-type bases	3
Grand martingale Hardy spaces for $$0<p\le 1$$	3
Fredholm properties of a class of coupled operator matrices and their applications	2
Min–max relations for tuples of operators in terms of component spaces	2
On weighted boundedness and compactness of operators generated by fractional heat semigroups related with Schrödinger operators	2
Existence of normalized solutions for a class of Kirchhoff–Schrödinger–Poisson equations in $$\mathbb {R}^3$$	2
A note on exceptional sets in Erdös–Rényi limit theorem	2
Inequalities for the Kronecker product of matrices	2
Composition operators on weighted Fock spaces induced by $$A_{\infty }$$-type weights	2
Friedrichs systems on an interval	2
Hyperinvariant subspaces for sets of polynomially compact operators	2
Existence of countably many p-k-convex solutions for p-k-Hessian equations and systems	2
Projective limits of Dirichlet spaces and embeddings of Bloch-type spaces	2
Contractibility of vector-valued Köthe echelon algebras	2
On creating new essential spectrum by self-adjoint extension of gapped operators	2
Decay of radial solutions to a class of defocusing mass-sub-critical fractional Schrödinger equations	2
Spectrality and non-spectrality of some Moran measures in $$\mathbb {R}^3$$	2
Some converse problems on the g-Drazin invertibility in Banach algebras	2
Satellite forms of grand Furuta–Ando–Hiai inequalities and its applications	2
Essential norm of Hankel operators on weighted Bergman spaces of strongly pseudoconvex domains	2
Dixmier-type traces on symmetric spaces associated with semifinite von Neumann algebras	2
Gel’fand widths of Sobolev classes of functionsin the average setting	2
On a consequence of Picone’s identity for a fractional p-Laplacian	2
Evolution groups and reversibility	2
Variants of 2-local maps on function algebras	2

Approximation properties of modified Gamma operators preserving $$t^{\vartheta }$$	2
An extension of the weighted geometric mean in unital JB-algebras	2
The local Borg–Marchenko uniqueness theorem for Dirac-type systems with locally smooth at the right endpoint rectangular potentials	2
Harmonic functions with traces in Q type spaces related to weights	2
Furuta type inequalities via operator means and applications to Kadison’s type inequalities	2
Positive periodic solutions for certain kinds of delayed q-difference equations with biological background	1
Fundamental results on weak phase retrieval	1
Resolvent set analysis of the Bergman shift	1
A family of weighted operator means including the weighted Heinz and Lehmer means	1
A note on commutator-simple algebras	1
The coarse Novikov conjecture for coarse fibrations over Banach spaces with Property (H)	1
Residualities and uniform ergodicities of Markov semigroups	1
The ideal structure of $$C^{*}$$-algebras related to lattice-ordered groups	1
The generalized Fredholm elements in a semisimple Banach algebra	1
Complex interpolation between noncommutative martingale BMO spaces and Hardy–Orlicz spaces	1
Mean value characterizations of harmonic, subharmonic and metaharmonic functions associated with the Dunkl Laplacian	1
Hypercyclic exponential of the differential operator on Banach spaces related to Fock spaces	1
Topological radicals, IX: relations in ideals of C*-algebras	1
Normalized solutions of linear and nonlinear coupled Choquard systems with potentials	1
Gradient estimates of positive solutions for the weighted nonlinear parabolic equation	1
A non-trivial solution for a p-Schrödinger–Kirchhoff-type integro-differential system by non-smooth techniques	1
The eigenvalues, numerical ranges, and invariant subspaces of the Bergman Toeplitz operators over the bidisk	1
A modified convergence analysis for steepest descent scheme for solving nonlinear operator equation	1
On phase-isometries between the positive cones of continuous function spaces	1
The ground state solution for biharmonic Kirchhoff–Schrödinger equations with singular exponential nonlinearities in $${\mathbb {R}}^{4}$$	1
The convergence of Galerkin–Petrov methods for Dirichlet projections	1
Preduals of variable Morrey–Campanato spaces and boundedness of operators	1
Rough Hausdorff operators on Lebesgue spaces with variable exponent	1
A spectral quasinilpotent operator and the invariant subspace problem for non-Archimedean Banach spaces	1
Refinements of the Cauchy–Schwarz inequality in pre-Hilbert $$C^*$$-modules and their applications	1
Geometric properties of operator spaces endowed with the numerical radius norm	1
Weak nondensifiability in Banach spaces	1
Singular integrals on $$C_{w^*}^{1,\alpha }$$ regular curves in Banach duals	1
Positive solutions for a class of biharmonic problems: existence, nonexistence and multiplicity	1
Infinitely many solutions for a class of p-Kirchhoff-type equations with critical exponent	1
Multiplicity of solutions for a p-Schrödinger–Kirchhoff-type integro-differential equation	1
Toms–Winter conjecture for C*-modules	1
Extension of quasi-H$$\ddot{\text {o}}$$lder embeddings between unit spheres of p-normed spaces	1
Weak factorizations for Hardy spaces in the Dunkl setting	1
Compact imbedding theorems in Musielak spaces	1
Absolute compatibility and poincaré sphere	1
Skewness of Day–James spaces	1
Isometric automorphisms of some reflexive algebras	1
On the Schauder fixed point property II	1
Semigroups of composition operators on the Besov spaces	1
The pseudo-regularity of the range of orthogonal projections in Krein spaces	1
Continuous multiplicative spectral functionals on Hermitian Banach algebras	1
Application of Banach limits to invariant measures of infinite-dimensional Hamiltonian flows	1
Phase-isometries between the positive cones of the Banach space of continuous real-valued functions	1
Measures of noncompactness in the space of regulated functions on an unbounded interval	1
Minimal elements related to a conditional expectation in a C*-algebra	1
Littlewood–Paley functions associated with general Ornstein–Uhlenbeck semigroups	1
M-numerical ranges of odd-order tensors based on operators	1
Spectrum of differential operators with elliptic adjoint on a scale of localized Sobolev spaces	1
Countability conditions in locally solid convergence spaces	1
Correction to: Logarithmic refinements of a power weighted Hardy–Rellich-type inequality	1
Generalized Cesàro operator acting on Hilbert spaces of analytic functions	1
Variations of the James and Schäffer constants in Banach spaces	1
Infinitely solutions for a variable-order Schrödinger–Kirchhoff-type double-phase system with new critical growth in $$\mathbb {R}^n$$	1
Towards spectral descriptions of cyclic functions	1
Norm inequalities for the iterated perturbations of Laplace transformers generated by accretive $$\scriptstyle N$$-tuples of operators in Q and Q* ideals of compact operators	1
Multiplicative and ternary domains of a completely positive map between Hilbert pro-$$C^*$$-modules	1