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 2021-11-01 to 2025-11-01.)

Article	Citations
Symmetric Shannon capacity is the independence number minus 1	17
Ranks and presentations of some normally ordered inverse semigroups	9
A class of wide neighborhood interior-point algorithms based on the algebraic equivalent transformation technique with specific functions	8
Norm inequalities for matrices via the numerical radius	6
Correction to: Functional graphs of rational maps induced by endomorphisms of ordinary elliptic curves over finite fields	6
Superclub, splitting, separating statements	6
Hilbert’s inequalities with alternating signs	5
On the sums of squares of exceptional units in residue class rings	5
Uniformly fully inert subgroups of abelian p-groups	4
Coherent quivers	4
The algebraic equation $$xu=\lambda x^3 v$$ in the symmetric case	4
Variable-exponent reaction–diffusion equations with a special medium void and damping effects	4
On the number of A-transversals in hypergraphs	4
Legendre polynomials in terms of integrals involving Hermite polynomials	4
Some q-supercongruences from the Bailey transformation	3
Correction to: A polynomial variant of diophantine triples in linear recurrences	3
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
A description via third degree character of quasi-symmetric semiclassical forms of class two	3
Integrality and Thurston rigidity for bicritical PCF polynomials	3
On the Dirichlet problem at infinity on three-manifolds with multiple ends	3
The diophantine equation $$(2^{k}-1)(3^{k}-1)=x^{n} $$	3
The classification of $$\tau $$-tilting modules over algebras of type $$D_n$$	3
Conjugate reversibility in complex special linear groups	3

On the sum of a Lucas number and a prime	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
The Diophantine Equation $$L_n^{(k)}=(2^a-1)(2^b-1)$$	2
On the $$L^1$$ and pointwise divergence of continuous functions	2
Homological characterizations of n-coherent rings	2
On the size of a linear combination of two linear recurrence sequences over function fields	2
Padovan numbers that are concatenations of a Padovan number and a Perrin number	2
Tiltan and graphs with no infinite paths	2
The ascending chain condition on principal right ideals for semigroup constructions	2
A generalization of Gerzon’s bound on spherical s-distance sets	2
Proofs of Guo and Schlosser’s two conjectures	2
The impact of spatial and social structure on an SIR epidemic on a weighted multilayer network	2
On the integer solutions of the Diophantine equations $$z^2=f(x)^2 \pm f(y)^2$$	1
Unlimited accumulation by Shelah’s PCF operator	1
Sets where $$\text{ Lip } f$$ is infinite and $$\text{ lip } f$$ vanishes.	1
The lower bound of weighted representation function	1
Normal surface singularities with an integral homology sphere link related to space monomial curves with a plane semigroup	1
Extension of Mathieu series and alternating Mathieu series involving the Neumann function $$Y_\nu $$	1
Cauchy–Schwarz-type inequalities for solutions of Levi-Civita-type functional equations	1
Sets of cross numbers of sequences over finite Abelian groups	1
A note on wide $$\tau $$-tilting modules and epibricks	1
Prime producing quadratic polynomials associated with real quadratic fields of class-number one	1
On the representation of an integer in Ostrowski and recurrence numeration systems	1
The Redei–Berge Hopf algebra of digraphs	1
Bifurcation and hybrid control in a discrete predator–prey model with Holling type-IV functional response	1
A construction of left equalizer simple medial semigroups	1
Correlations of the j-fold convolution of Hecke eigenvalues and Hecke eigenvalue squares	1
Notions of representability for cylindric algebras: some algebras are more representable than others	1
Center manifolds for delay-differential equations with variable argument	1
On the denominators of harmonic numbers, III	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
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
On the single partial Caputo derivatives for functions of two variables	1
Hardy and Hardy–Littlewood–Pólya operators and their commutators on local fields	1
Supercongruences involving Apéry-like sequences $$\{m^nG_n(x)\}$$ and $$\{m^nV_n(x)\}$$	1
On relations between partial moduli of smoothness in mixed metrics	1
Correction to: On positive integers n with σl(2n + 1) < σl(2n)	1
Asymptotic behavior of a logarithmic-viscoelastic wave equation with internal fractional damping	1
A new corrector–predictor interior-point method for symmetric cone optimization	1
A molecular reconstruction theorem for $$H^{p(\cdot )}_{\omega }(\mathbb {R}^{n})$$	1
On the number of weighted zero-sum subsequences	1
On approximately convex and affine sequences	1
Description of the symmetric $$H_q$$-Laguerre–Hahn orthogonal q-polynomials of class one	1
The automorphism group of certain polycyclic groups	1
Packing a triangle by collections of its non-blocking homothetic copies	1
On singular values of products of matrices and log-majorization	1

Some generalizations of a congruence by Sun and Tauraso	1
On two tensors associated to the structure Jacobi operator of a real hypersurface in complex projective space	1
On the symmetry measure of pseudorandom subsets	1