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 2021-08-01 to 2025-08-01.)

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	14
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
Superclub, splitting, separating statements	7
Hilbert’s inequalities with alternating signs	7
Uniformly fully inert subgroups of abelian p-groups	7
On the sums of squares of exceptional units in residue class rings	6
Coherent quivers	6
Variable-exponent reaction–diffusion equations with a special medium void and damping effects	5
The algebraic equation $$xu=\lambda x^3 v$$ in the symmetric case	5
On the number of A-transversals in hypergraphs	5
Integrality and Thurston rigidity for bicritical PCF polynomials	4
On the Dirichlet problem at infinity on three-manifolds with multiple ends	4
Correction to: A polynomial variant of diophantine triples in linear recurrences	4
On the $$\chi ^2$$ statistics of leading digits of irrational rotations with a large second or third partial quotient	4
A description via third degree character of quasi-symmetric semiclassical forms of class two	4
Legendre polynomials in terms of integrals involving Hermite polynomials	4
The classification of $$\tau $$-tilting modules over algebras of type $$D_n$$	4
FGF group rings	3
Tiltan and graphs with no infinite paths	3
On the sum of a Lucas number and a prime	3
Some q-supercongruences from the Bailey transformation	3
The diophantine equation $$(2^{k}-1)(3^{k}-1)=x^{n} $$	3
Normalized solutions for Choquard equations involving Hardy terms and local perturbations	3

Quasi-quadratic modules in pseudo-valuation domain	3
The ascending chain condition on principal right ideals for semigroup constructions	3
The impact of spatial and social structure on an SIR epidemic on a weighted multilayer network	2
Proofs of Guo and Schlosser’s two conjectures	2
On singular values of products of matrices and log-majorization	2
On the $$L^1$$ and pointwise divergence of continuous functions	2
Forcing axioms and the Galvin number	2
Convergence rates for weighted sums of pairwise independent operators with applications	2
Padovan numbers that are concatenations of a Padovan number and a Perrin number	2
Notes on general divisor problems related to Maass cusp forms	2
A generalization of Gerzon’s bound on spherical s-distance sets	2
Abelian p-groups with minimal full inertia	2
On the size of a linear combination of two linear recurrence sequences over function fields	2
Description of the symmetric $$H_q$$-Laguerre–Hahn orthogonal q-polynomials of class one	2
The Diophantine Equation $$L_n^{(k)}=(2^a-1)(2^b-1)$$	2
On E-curvature of homogeneous Finsler manifolds	2
The automorphism group of certain polycyclic groups	1
On the representation of an integer in Ostrowski and recurrence numeration systems	1
Some generalizations of a congruence by Sun and Tauraso	1
The lattice of one-sided congruences on an inverse semigroup	1
A radical theory for graphs that do not admit loops	1
Normal forms for rank two linear irregular differential equations and moduli spaces	1
Unlimited accumulation by Shelah’s PCF operator	1
Correction to: On positive integers n with σl(2n + 1) < σl(2n)	1
Center manifolds for delay-differential equations with variable argument	1
On the denominators of harmonic numbers, III	1
A molecular reconstruction theorem for $$H^{p(\cdot )}_{\omega }(\mathbb {R}^{n})$$	1
A new corrector–predictor interior-point method for symmetric cone optimization	1
A note on wide $$\tau $$-tilting modules and epibricks	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
Extension of Mathieu series and alternating Mathieu series involving the Neumann function $$Y_\nu $$	1
Supercongruences involving Apéry-like sequences $$\{m^nG_n(x)\}$$ and $$\{m^nV_n(x)\}$$	1
On some relations between ideals of nowhere dense sets in topologies on positive integers	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
Hardy and Hardy–Littlewood–Pólya operators and their commutators on local fields	1
On two tensors associated to the structure Jacobi operator of a real hypersurface in complex projective space	1
Cauchy–Schwarz-type inequalities for solutions of Levi-Civita-type functional equations	1
On a solvable system of p difference equations of higher order	1
Normal surface singularities with an integral homology sphere link related to space monomial curves with a plane semigroup	1
On the number of weighted zero-sum subsequences	1
A construction of left equalizer simple medial semigroups	1
Notions of representability for cylindric algebras: some algebras are more representable than others	1
Sets of cross numbers of sequences over finite Abelian groups	1
Back and forth systems witnessing irreversibility	1
Prime producing quadratic polynomials associated with real quadratic fields of class-number one	1
The Redei–Berge Hopf algebra of digraphs	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

The lower bound of weighted representation function	1
On the integer solutions of the Diophantine equations $$z^2=f(x)^2 \pm f(y)^2$$	1
Asymptotic behavior of a logarithmic-viscoelastic wave equation with internal fractional damping	1
Zero-free neighborhoods around the unit circle for Kac polynomials	1
Corner’s theorem on modules with anti-isomorphic endomorphism algebras	1
On the smallest area $$(n-1)$$-gon containing a convex n-gon	1
On the single partial Caputo derivatives for functions of two variables	1
Packing a triangle by collections of its non-blocking homothetic copies	1