OOIR: Observatory of International Research

Papers

(The median citation count of Integral Equations and Operator Theory 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 2021-11-01 to 2025-11-01.)

Article	Citations
Heat Flow in Polygons with Reflecting Edges	13
Semiflows, Composition Semigroups, and the Approximation of Dirichlet-to-Neumann Semigroups	9
A Sequence of Weighted Birman–Hardy–Rellich Inequalities with Logarithmic Refinements	9
Dirac Operators with Infinite Mass Boundary Conditions on Unbounded Domains with Infinite Corners	9
Coupled Domain-Boundary Variational Formulations for Hodge–Helmholtz Operators	8
Ideal Structure of Nica-Toeplitz Algebras	7
Boundary Integral Operators for the Heat Equation in Time-Dependent Domains	6
Questions About Extreme Points	6
Relative Topological Principality and the Ideal Intersection Property for Groupoid C*-Algebras	5
Recovering the Shape of an Equilateral Quantum Tree by Two Spectra	5
Operators Which Preserve a Positive Definite Inner Product	5
Horizontal Fourier Transform of the Polyanalytic Fock Kernel	5
Quasi Gelfand Triples	5
Szegő Limit Theorem for Truncated Toeplitz Operators	4
Positive and Negative Eigenfunction Expansion Results for Indefinite Sturm–Liouville Problems	4
Quasicentral Modulus and Self-similar Sets: A Supplementary Result to Voiculescu’s Work	4
On Certain Order Properties of Non Kubo–Ando Means in Operator Algebras	4
Discussing Semigroup Bounds with Resolvent Estimates	4
Lifting Sylvester Equations: Singular Value Decay for Non-Normal Coefficients	4
$$H^\infty $$-calculus for the Stokes operator with Hodge, Navier, and Robin boundary conditions on unbounded domains	4
Subinner-Free Outer Factorizations on an Annulus	3
Hilbert $$C^$$-Modules with Hilbert Dual and $$C^$$-Fredholm Operators	3
Pusz–Woronowicz Functional Calculus and Extended Operator Convex Perspectives	3
Five Open Problems on the Dirichlet-to-Neumann Operator with Variable Coefficients	3
Translation-invariant Operators in Reproducing Kernel Hilbert Spaces	3

Correction to: Volterra Type Operators Between Bloch Type Spaces and Weighted Banach Spaces	3
On the Continuity of Strongly Singular Calderón–Zygmund-Type Operators on Hardy Spaces	3
Denjoy–Wolff Points on the Bidisk via Models	3
On Exponential Splitting Methods for Semilinear Abstract Cauchy problems	3
The Drury–Arveson Space on the Siegel Upper Half-space and a von Neumann Type Inequality	3
Traces on Operator Ideals Defined over the Class of all Banach Spaces and Related Open Problems	3
The Twisted Hilbert Space Ideals	2
$$\varvec{q}$$-rational Functions and Interpolation with Complete Nevanlinna–Pick Kernels	2
Symmetries and Reflections from Composition Operators in the Disk	2
Classes of Kernels and Continuity Properties of the Double Layer Potential in Hölder Spaces	2
Sufficient Criteria for Stabilization Properties in Banach Spaces	2
Atomic and Wavelet Characterization of Musielak–Orlicz Hardy Spaces for Generalized Orlicz Functions	2
Reproducing Kernel Thesis of Hankel Operators on Weighted Hardy Spaces	2
Solving Continuous Time Leech Problems for Rational Operator Functions	2
Weighted Cuntz–Krieger Algebras	2
Harris’ Criterion and Hardy Inequalities on Graphs	2
Reflectionless Canonical Systems, I: Arov Gauge and Right Limits	2
Decay Rate of $$\varvec{\exp (A^{-1}t)A^{-1}}$$ on a Hilbert Space and the Crank–Nicolson Scheme with Smooth Initial Data	2
Generalized Wright Analysis in Infinite Dimensions	2
The Double-Layer Potential for Spectral Constants Revisited	2
Publisher Correction: Five Open Problems on the Dirichlet-to-Neumann Operator with Variable Coefficients	2
Unbounded Bergman Projections on Weighted Spaces with Respect to Exponential Weights	2
Essential m-dissipativity for Possibly Degenerate Generators of Infinite-dimensional Diffusion Processes	2
Reproducing Kernel Hilbert Spaces of Polyanalytic Functions of Infinite Order	2
Toeplitz Operators on the Unit Ball with Locally Integrable Symbols	1
The Agler Reducing Subspace for the Operator-Valued Inner Function Over the Bidisk	1
Local Spectral Multiplicity of Selfadjoint Couplings with General Interface Conditions	1
Various form closures associated with a fixed non-semibounded self-adjoint operator	1
Regular Ideals, Ideal Intersections, and Quotients	1
On the Eigenvalues of Spectral Gaps of Elliptic PDEs on Waveguides	1
Backward Extensions of Weighted Shifts on Directed Trees	1
Subhomogeneous Operator Systems and Classification of Operator Systems Generated by $$\Lambda $$-Commuting Unitaries	1
In Memoriam Heinz Langer (08.08.1935-25.01.2024)	1
Integral Operators on Fock–Sobolev Spaces via Multipliers on Gauss–Sobolev Spaces	1
Fourier Multipliers and Pseudo-differential Operators on Fock-Sobolev Spaces	1
Some Operator Ideal Properties of Volterra Operators on Bergman and Bloch Spaces	1
Arithmetic Progressions and Chaos in Linear Dynamics	1
Approximation of the Spectral Action Functional in the Case of $$\tau $$-Compact Resolvents	1
Compressions of Selfadjoint and Maximal Dissipative Extensions of Non-densely Defined Symmetric Operators	1
Large Perturbations of Nest Algebras	1
Stability Analysis of a Simple Discretization Method for a Class of Strongly Singular Integral Equations	1
Spectra for Toeplitz Operators Associated with a Constrained Subalgebra	1
Norms of Basic Operators in Vector Valued Model Spaces and de Branges Spaces	1
On Lieb–Thirring inequalities for multidimensional Schrödinger operators with complex potentials	1
Correction to: Generalization of Schur’s Test and Its Application to a Class of Integral Operators on the Unit Ball of $$\mathbb {C}^n$$	1
$$C^*$$-Algebras Associated to Transfer Operators for Countable-to-One Maps	1
A Quantum Harmonic Analysis Approach to Segal Algebras	1
The Heisenberg Group Action on the Siegel Domain and the Structure of Bergman Spaces	1
Invariant Subspaces of Idempotents on Hilbert Spaces	1
On the Power Set of Quasinilpotent Operators	1

A New Systems Theory Perspective on Canonical Wiener-Hopf Factorization on the Unit Circle	1
Limit Laws for R-diagonal Variables in a Tracial Probability Space	1
On Schrödinger operators with oblique transmission conditions on non-smooth curves	1
Essential Spectrum and Feller Type Properties	1