OOIR: Observatory of International Research

Papers

(The TQCC of Integral Equations and Operator Theory 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 2022-06-01 to 2026-06-01.)

Article	Citations
Heat Flow in Polygons with Reflecting Edges	12
Semiflows, Composition Semigroups, and the Approximation of Dirichlet-to-Neumann Semigroups	10
Dirac Operators with Infinite Mass Boundary Conditions on Unbounded Domains with Infinite Corners	10
Ideal Structure of Nica-Toeplitz Algebras	7
Questions About Extreme Points	7
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
Function theory on the annulus in the dp-norm	5
Quasi Gelfand Triples	5
Horizontal Fourier Transform of the Polyanalytic Fock Kernel	5
Szegő Limit Theorem for Truncated Toeplitz Operators	4
Lifting Sylvester Equations: Singular Value Decay for Non-Normal Coefficients	4
Birman–Schwinger Principles for Schrödinger Operators with Distributional Potentials Revisited	4
$${\mathfrak {L}}$$-Resolvents and Pseudo-Spectral Functions of Symmetric Linear Relations in Hilbert Spaces	4
Positive and Negative Eigenfunction Expansion Results for Indefinite Sturm–Liouville Problems	4
$$H^\infty $$-calculus for the Stokes operator with Hodge, Navier, and Robin boundary conditions on unbounded domains	4
Discussing Semigroup Bounds with Resolvent Estimates	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
On Exponential Splitting Methods for Semilinear Abstract Cauchy problems	3
Subinner-Free Outer Factorizations on an Annulus	3
Translation-invariant Operators in Reproducing Kernel Hilbert Spaces	3
Denjoy–Wolff Points on the Bidisk via Models	3
Real Decomposable Maps on Operator Systems	3

Decay Rate of $$\varvec{\exp (A^{-1}t)A^{-1}}$$ on a Hilbert Space and the Crank–Nicolson Scheme with Smooth Initial Data	2
Essential m-dissipativity for Possibly Degenerate Generators of Infinite-dimensional Diffusion Processes	2
Banach algebras of multiplication, Wiener-Hopf and Mellin convolution operators: Fredholmness	2
Positive operator-valued noncommutative polynomials are squares	2
Reproducing Kernel Thesis of Hankel Operators on Weighted Hardy Spaces	2
Correction to: Volterra Type Operators Between Bloch Type Spaces and Weighted Banach Spaces	2
The Double-Layer Potential for Spectral Constants Revisited	2
Quadratic Subproduct Systems, Free Products, and Their C*-Algebras	2
Harris’ Criterion and Hardy Inequalities on Graphs	2
$$\varvec{q}$$-rational Functions and Interpolation with Complete Nevanlinna–Pick Kernels	2
Banach algebras of multiplication, Wiener-Hopf and Mellin convolution operators: Localization	2
Traces on Operator Ideals Defined over the Class of all Banach Spaces and Related Open Problems	2
Hilbert $$C^$$-Modules with Hilbert Dual and $$C^$$-Fredholm Operators	2
Publisher Correction: Five Open Problems on the Dirichlet-to-Neumann Operator with Variable Coefficients	2
Weighted Cuntz–Krieger Algebras	2
Classes of Kernels and Continuity Properties of the Double Layer Potential in Hölder Spaces	2
Generalized Wright Analysis in Infinite Dimensions	2
On Banach subalgebras of the Dirichlet Hardy algebra $$\mathscr {H}^\infty $$ consisting of lacunary Dirichlet series	2
Five Open Problems on the Dirichlet-to-Neumann Operator with Variable Coefficients	2
On the Continuity of Strongly Singular Calderón–Zygmund-Type Operators on Hardy Spaces	2
Solving Continuous Time Leech Problems for Rational Operator Functions	2
Symmetries and Reflections from Composition Operators in the Disk	2