OOIR: Observatory of International Research

Papers

(The TQCC of Bulletin of the Brazilian Mathematical Society 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 2021-12-01 to 2025-12-01.)

Article	Citations
Conditions for Spanning Trees Whose Internal Subtrees Have Few Branch Vertices and Leaves	21
On the Multiplicities of Padovan-Type Sequences	15
Dynamical Properties for Composition Operators on $$H^{2}({\mathbb {C}}_{+})$$	12
Stationary Solutions to a Chemo-repulsion System and a Related Optimal Bilinear Control Problem	11
Hopf Algebras and Associative Representations of Two-Dimensional Evolution Algebras	9
Well-Posedness and $$L^2$$-Decay Estimates for the Navier–Stokes Equations with Fractional Dissipation and Damping	8
Removable Singularities for Quasilinear Elliptic Equations with Source Terms Involving the Solution and Its Gradient	8
Holomorphic Foliations of Degree Four on the Complex Projective Space	5
A Nehari Approach for Asymptotically Linear Elliptic Problems	5
On Scalar Curvature of r-Almost Newton–Ricci Solitons	4
A Well-Posed Logarithmic Counterpart of an Ill-Posed Cauchy Problem	4
Codimension One Regular Foliations on Rationally Connected Threefolds	4
Stratification of Spaces of Locally Convex Curves by Itineraries	4
Some zero-sum problems over $$\langle x,y \mid x^2 = y^{n/2}, y^n = 1, yx = xy^s \rangle $$	4
Absolutely Continuous Invariant Measure for Generalized Horseshoe Maps	3
Central Derivations, Centroids and Skew-Symmetric Bi-derivations of Leibniz (n-)Algebras	3
On Spectra of Distance Randić Matrix of Graphs	3
Kukles Systems of Degree Three with Global Centers	3
Common Singularities of Commuting Vector Fields	3
Optimal Large Time Behavior of the Full Compressible Navier–Stokes System in $${\mathbb {R}}^3$$	3
Involutions Fixing Two Copies of Projective Spaces Under Different Rings	3
A Direct Approach to the Boundary Controllability of the Hyperbolic Stokes System	3
Pairs of r-Primitive and k-Normal Elements in Finite Fields	3
Coexistence Phenomena in the Hénon Family	3
Dunford-Pettis like Sets with Applications to Spaces of Operators	3

Characterizing Hyperbolic Spaces in the Anti-de Sitter Space	2
On Special Holomorphic Distributions and Residues	2
Para-Abelian Varieties and Albanese Maps	2
On the Uniform Dimension and the Associated Primes of Skew PBW Extensions	2
Existence and Uniqueness for Directional Attractors of Topological Cocycles	2
On the abc and the abcd Conjectures	2
Characterization of Optimality and Duality for Semi-Infinite Fractional Interval-Valued Mathematical Programs with Vanishing Constraints	2
An Injective-Type Norm and Integral-Type Bilinear Forms Defined by Sequence Classes	2
A Higher-Order Non-autonomous Semilinear Parabolic Equation	2
Convergence of the Quantum Navier–Stokes Equations to the Compressible Euler Equations	2
Bounds for Multiplicities of the Graded Fiber Product Ring	2
Pointwise Periodic Flows Induced by Circle Actions	2
On the Entropy of Continuous Flows with Uniformly Expansive Points and the Globalness of Shadowable Points with Gaps	2
Stability of Solutions of Stationary Boussinesq Systems in Weak-Morrey Spaces	2
Sharp Exponents for Anisotropic Hardy–Littlewood Type of Inequalities	2
Universal Inequalities for Eigenvalues of a Clamped Plate Problem of the Drifting Laplacian	2
Harmonic 1-Forms on Minimal Hypersurfaces in $${{\mathbb {S}}}^{n}\times {{\mathbb {R}}}$$	2
Spaceability of sets of non-injective maps	2
Constant Components of the Mertens Function and Its Connections with Tschebyschef’s Theory for Counting Prime Numbers II	2
A Variational Approach to Quasilinear Elliptic Problems with Gradient Dependence	2
Invariant (Fractal) Vector Measures as Fixed Points of Markov-Type Operators	2
Representations of Solvable Subgroups of $$\text {PSL}\left( 3,\mathbb {C}\right) $$	1
Unified Grothendieck’s and Kwapień’s Theorems for Multilinear Operators	1
Distributions, First Integrals and Legendrian Foliations	1
Injectivity of the Galois Map	1
A New Approach to Solving the Split Common Solution Problem for Monotone Operator Equations in Hilbert Spaces	1
Phase Transitions for Surface Diffeomorphisms	1
First Dirichlet Eigenvalue Estimates and Rigidity for a Finsler Measure Space	1
On Weighted Greedy-Type Bases	1
New Results on Some Transforms of Operators in Hilbert Spaces	1
Reflexivity and Weak Sequential Completeness in Operator Ideals and Polynomial Ideals	1
On Real Analytic Levi-Flat Hypersurfaces Associated with Milnor Fibrations	1
Regular Foliations and Trace Divisors	1
Existence of Solution for a Two-Phase Elliptic Equation	1
Refined Long Time Existence of the Boussinesq Equation with Large Initial Data in $$\mathbb {R}^{n}$$	1
On the Transcendence of Some Powers Related to U-numbers	1
A Gardner-Type Equation: Bore Propagation	1
On the Stability of the s-Nonlocal p-Obstacle Problem and Their Coincidence Sets and Free Boundaries	1
Four-Fermion Interaction Approximation of the Intermediate Vector Boson Model	1
$$\lambda $$-Limited Sets in Banach and Dual Banach Spaces	1
Coefficients of Multilinear Forms on Sequence Spaces	1
Napoleonic Triangles on the Sphere	1
An Exponential Diophantine Equation with Generalized Pell Numbers	1
Some Homological Conjectures over Idealization Rings	1
A Blowup Criteria of Smooth Solutions to the 3D Boussinesq Equations	1
On Weierstrass Semigroups and Fiber Product of Kummer Covers	1
Cohyponormality and Complex Symmetry of Linear Fractional Composition Operators on a Half-Plane	1
Approximation of Almost Diagonal Non-linear Maps by Lattice Lipschitz Operators	1
A $$\sigma $$-homothetic Uniqueness of the Critical Catenoid	1
Some Results on Shadowing and Local Entropy Properties of Dynamical Systems	1

A Family of Complex Kleinian Split Solvable Groups	1
The Buchweitz Set of a Numerical Semigroup	1
Nehari Manifold for Weighted Singular Fractional p-Laplace Equations	1
On Finslerian Warped Product Gradient Yamabe Solitons	1
Gradings on Matrix Algebras of Prime Order	1
(p,q)-Laplacian Equations with Critical Growth and Jumping Nonlinearities	1
Analytical Solutions to the Cylindrically Symmetric Compressible Navier–Stokes Equations with Density-Dependent Viscosity and Vacuum Free Boundary	1
On a Class of Nonlinear Problems with Nonlocal Reaction Term via Topological Methods	1
Mixed Random-Quasiperiodic Cocycles	1
Wave Interactions and Stability of Riemann Solutions to the Aw-Rascle Model with Friction for Modified Chaplygin Gas	1
A Unique Continuation Result for a 2D System of Nonlinear Equations for Surface Waves	1
Multiplicity and Bifurcation Results for a Class of Quasilinear Elliptic Problems with Quadratic Growth on the Gradient	1
Some Notes on the Classification of Shift Spaces: Shifts of Finite Type; Sofic Shifts; and Finitely Defined Shifts	1