OOIR: Observatory of International Research

Papers

(The TQCC of Periodica Mathematica Hungarica 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 2021-06-01 to 2025-06-01.)

Article	Citations
A class of wide neighborhood interior-point algorithms based on the algebraic equivalent transformation technique with specific functions	16
Ranks and presentations of some normally ordered inverse semigroups	11
Symmetric Shannon capacity is the independence number minus 1	9
Correction to: Functional graphs of rational maps induced by endomorphisms of ordinary elliptic curves over finite fields	8
Uniformly fully inert subgroups of abelian p-groups	7
Superclub, splitting, separating statements	7
Hilbert’s inequalities with alternating signs	6
Variable-exponent reaction–diffusion equations with a special medium void and damping effects	6
On the sums of squares of exceptional units in residue class rings	5
Coherent quivers	4
The algebraic equation $$xu=\lambda x^3 v$$ in the symmetric case	4
Correction to: A polynomial variant of diophantine triples in linear recurrences	4
On open books for nonorientable 3-manifolds	4
On the number of A-transversals in hypergraphs	4
On the $$\chi ^2$$ statistics of leading digits of irrational rotations with a large second or third partial quotient	3
Normalized solutions for Choquard equations involving Hardy terms and local perturbations	3
Quasi-quadratic modules in pseudo-valuation domain	3
FGF group rings	3
Legendre polynomials in terms of integrals involving Hermite polynomials	3
A description via third degree character of quasi-symmetric semiclassical forms of class two	3
The classification of $$\tau $$-tilting modules over algebras of type $$D_n$$	3
On the sum of a Lucas number and a prime	3
Integrality and Thurston rigidity for bicritical PCF polynomials	3
On the Dirichlet problem at infinity on three-manifolds with multiple ends	3
Some q-supercongruences from the Bailey transformation	3

Tiltan and graphs with no infinite paths	3
The ascending chain condition on principal right ideals for semigroup constructions	2
The impact of spatial and social structure on an SIR epidemic on a weighted multilayer network	2
Notes on general divisor problems related to Maass cusp forms	2
On singular values of products of matrices and log-majorization	2
On the size of a linear combination of two linear recurrence sequences over function fields	2
A generalization of Gerzon’s bound on spherical s-distance sets	2
Abelian p-groups with minimal full inertia	2
Forcing axioms and the Galvin number	2
Padovan numbers that are concatenations of a Padovan number and a Perrin number	2
Prime producing quadratic polynomials associated with real quadratic fields of class-number one	2
Convergence rates for weighted sums of pairwise independent operators with applications	2
Sums of certain fractional parts	2
On the $$L^1$$ and pointwise divergence of continuous functions	2
Proofs of Guo and Schlosser’s two conjectures	2
Description of the symmetric $$H_q$$-Laguerre–Hahn orthogonal q-polynomials of class one	2
On the single partial Caputo derivatives for functions of two variables	2
On E-curvature of homogeneous Finsler manifolds	2
Back and forth systems witnessing irreversibility	1
Extension of Mathieu series and alternating Mathieu series involving the Neumann function $$Y_\nu $$	1
Corner’s theorem on modules with anti-isomorphic endomorphism algebras	1
A description via second degree character of a family of quasi-symmetric forms	1
Characterizations of Kadison–Singer lattices and Lie triple derivations on Kadison–Singer algebras	1
On relations between partial moduli of smoothness in mixed metrics	1
Zero-free neighborhoods around the unit circle for Kac polynomials	1
A radical theory for graphs that do not admit loops	1
Hardy and Hardy–Littlewood–Pólya operators and their commutators on local fields	1
Asymptotic behavior of a logarithmic-viscoelastic wave equation with internal fractional damping	1
On some relations between ideals of nowhere dense sets in topologies on positive integers	1
Some generalizations of a congruence by Sun and Tauraso	1
On the integer solutions of the Diophantine equations $$z^2=f(x)^2 \pm f(y)^2$$	1
A new corrector–predictor interior-point method for symmetric cone optimization	1
Classification of real hypersurfaces in complex quadric in terms of new tensors	1
Packing a triangle by collections of its non-blocking homothetic copies	1
A note on wide $$\tau $$-tilting modules and epibricks	1
On the smallest area $$(n-1)$$-gon containing a convex n-gon	1
Center manifolds for delay-differential equations with variable argument	1
Abstract degenerate Volterra integro-differential equations: inverse generator problem	1
Bifurcation and hybrid control in a discrete predator–prey model with Holling type-IV functional response	1
On the symmetry measure of pseudorandom subsets	1
On a solvable system of p difference equations of higher order	1
A construction of left equalizer simple medial semigroups	1
Supercongruences involving Apéry-like sequences $$\{m^nG_n(x)\}$$ and $$\{m^nV_n(x)\}$$	1
Weighted least squares estimators for the Parzen tail index	1
Normal forms for rank two linear irregular differential equations and moduli spaces	1
On the number of weighted zero-sum subsequences	1
Correction to: On positive integers n with σl(2n + 1) < σl(2n)	1
The lower bound of weighted representation function	1
The unit group of some fields of the form $$\mathbb {Q}(\sqrt{2}, \sqrt{pq}, \sqrt{ps})$$ and $$\mathbb {Q}(\sqrt{2}, \sqrt{pq}, \sqrt{ps}, \sqrt{-l})$$	1
The automorphism group of certain polycyclic groups	1

A molecular reconstruction theorem for $$H^{p(\cdot )}_{\omega }(\mathbb {R}^{n})$$	1
Normal surface singularities with an integral homology sphere link related to space monomial curves with a plane semigroup	1
The lattice of one-sided congruences on an inverse semigroup	1
On two tensors associated to the structure Jacobi operator of a real hypersurface in complex projective space	1
Parametric rigidity of the Hopf bifurcation up to analytic conjugacy	1
Unlimited accumulation by Shelah’s PCF operator	1
Gorenstein projective objects in comma categories	1
The Redei–Berge Hopf algebra of digraphs	1
On the denominators of harmonic numbers, III	1
On closure compatibility of ideal topological spaces and idempotency of the local closure function	1
Sets of cross numbers of sequences over finite Abelian groups	1
Cauchy–Schwarz-type inequalities for solutions of Levi-Civita-type functional equations	1
Notions of representability for cylindric algebras: some algebras are more representable than others	1