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 2022-08-01 to 2026-08-01.)

Article	Citations
A class of wide neighborhood interior-point algorithms based on the algebraic equivalent transformation technique with specific functions	16
Superclub, splitting, separating statements	10
Norm inequalities for matrices via the numerical radius	7
Note on a conjecture of Sárközy on special sequences	7
Correction to: Functional graphs of rational maps induced by endomorphisms of ordinary elliptic curves over finite fields	7
Existence and nonexistence of normalized solutions for a type of fractional Choquard system with critical nonlinearity	7
On the number of A-transversals in hypergraphs	5
Uniformly fully inert subgroups of abelian p-groups	4
The algebraic equation $$xu=\lambda x^3 v$$ in the symmetric case	4
Conjugate reversibility in complex special linear groups	4
Legendre polynomials in terms of integrals involving Hermite polynomials	4
On the $$\chi ^2$$ statistics of leading digits of irrational rotations with a large second or third partial quotient	3
Tiltan and graphs with no infinite paths	3
The diophantine equation $$(2^{k}-1)(3^{k}-1)=x^{n}$$	3
Quasi-quadratic modules in pseudo-valuation domain	3
Variable-exponent reaction–diffusion equations with a special medium void and damping effects	3
Integrality and Thurston rigidity for bicritical PCF polynomials	3
Cohen–Macaulay and Gorenstein zero-divisor graphs of divisor posets	2
Padovan numbers that are concatenations of a Padovan number and a Perrin number	2
On the single partial Caputo derivatives for functions of two variables	2
On the sum of a Lucas number and a prime	2
Normalized solutions for Choquard equations involving Hardy terms and local perturbations	2
The ascending chain condition on principal right ideals for semigroup constructions	2
The Diophantine Equation $$L_n^{(k)}=(2^a-1)(2^b-1)$$	2
On the size of a linear combination of two linear recurrence sequences over function fields	2

A new characterization of Lucas–Carmichael integers and sums of base-p digits	2
Homological characterizations of n-coherent rings	2
On the exact structure of meromorphic solutions to non-linear difference equations with exponential terms	2
On the $$L^1$$ and pointwise divergence of continuous functions	2
Convergence rates for weighted sums of pairwise independent operators with applications	2
On E-curvature of homogeneous Finsler manifolds	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 Dirichlet problem at infinity on three-manifolds with multiple ends	2
Structure relations of symmetric q-Dunkl classical orthogonal q-polynomials	2
A generalization of Gerzon’s bound on spherical s-distance sets	2
On biquadratic fields: when 5 squares are not enough	2
Sets where $$\text{ Lip } f$$ is infinite and $$\text{ lip } f$$ vanishes.	1
Correction to: On the Dirichlet problem at infinity on three-manifolds with multiple ends	1
On a functional equation characterizing two-sided centralizers in prime rings	1
Cross-combined measures of families of binary lattices	1
Bifurcation and hybrid control in a discrete predator–prey model with Holling type-IV functional response	1
The Redei–Berge Hopf algebra of digraphs	1
On relations between partial moduli of smoothness in mixed metrics	1
Unlimited accumulation by Shelah’s PCF operator	1
A radical theory for graphs that do not admit loops	1
On the number of weighted zero-sum subsequences	1
Description of the symmetric $$H_q$$-Laguerre–Hahn orthogonal q-polynomials of class one	1
A note on wide $$\tau $$-tilting modules and epibricks	1
A molecular reconstruction theorem for $$H^{p(\cdot )}_{\omega }(\mathbb {R}^{n})$$	1
Meromorphic solution of a certain type of algebraic differential equation	1
Runge–Kutta–Möbius methods	1
Curvature estimates for gradient steady Ricci solitons	1
The lattice of one-sided congruences on an inverse semigroup	1
Characterizations of Kadison–Singer lattices and Lie triple derivations on Kadison–Singer algebras	1
On approximately convex and affine sequences	1
On two tensors associated to the structure Jacobi operator of a real hypersurface in complex projective space	1
On the smallest area $$(n-1)$$-gon containing a convex n-gon	1
Approximation by iterated Boolean sums of sampling operators	1
Packing a triangle by collections of its non-blocking homothetic copies	1
On the representation of an integer in Ostrowski and recurrence numeration systems	1
Sets of cross numbers of sequences over finite Abelian groups	1
The lower bound of weighted representation function	1
Asymptotic behavior of a logarithmic-viscoelastic wave equation with internal fractional damping	1
Morse–Smale complexes on convex polyhedra	1
Existence of solution for a Liouville–Gelfand system on planar bounded domains	1
Existence of ground states for fractional Choquard–Kirchhoff equations with magnetic fields and critical exponents	1
Hardy and Hardy–Littlewood–Pólya operators and their commutators on local fields	1
Correlations of the j-fold convolution of Hecke eigenvalues and Hecke eigenvalue squares	1
Supercongruences involving Apéry-like sequences $$\{m^nG_n(x)\}$$ and $$\{m^nV_n(x)\}$$	1
Cauchy–Schwarz-type inequalities for solutions of Levi-Civita-type functional equations	1
On the denominators of harmonic numbers, III	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
Back and forth systems witnessing irreversibility	1
The automorphism group of certain polycyclic groups	1