OOIR: Observatory of International Research

Papers

(The TQCC of Aequationes Mathematicae 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 2020-11-01 to 2024-11-01.)

Article	Citations
On path-factor critical deleted (or covered) graphs	45
Dimension preserving approximation	24
Some sufficient conditions for path-factor uniform graphs	19
A note on the Choquet type operators	12
Distance signless Laplacian spectral radius for the existence of path-factors in graphs	7
Systems of functional equations and generalizations of certain functions	7
On isoptics and isochordal-viewed curves	6
On the Hyers–Ulam stability of certain nonautonomous and nonlinear difference equations	6
On Cesàro triangles and spherical polygons	5
Countable zipper fractal interpolation and some elementary aspects of the associated nonlinear zipper fractal operator	5
K-subadditive and K-superadditive set-valued functions bounded on “large” sets	5
A survey on measures of noncompactness with some applications in infinite systems of differential equations	5
A two-vertex theorem for normal tilings	4
On graphs with equal total domination and Grundy total domination numbers	4
On a new class of functional equations satisfied by polynomial functions	4
Weighted Gaussian entropy and determinant inequalities	4
On a general bilinear functional equation	4
Regular polygons on isochordal-viewed hedgehogs	4
Alienation of Cauchy’s and the quadratic functional equations on semigroups	4
Limit theorems for Bajraktarević and Cauchy quotient means of independent identically distributed random variables	4
On s-Stirling transform and poly-Cauchy numbers of the second kind with level 2	4
Functional equations, alternating expansions, and generalizations of the Salem functions	4
On alienation of two functional equations of quadratic type	4
On curves with circles as their isoptics	4
Distributivity equations for aggregation operations with annihilator over uninorms	3

Extensions of recent combinatorial refinements of discrete and integral Jensen inequalities	3
On restricted functional inequalities associated with quadratic functional equations	3
A variant of d’Alembert’s functional equation on semigroups with an anti-endomorphism	3
New inequalities related to superquadratic functions	3
An Application of Viscosity Approximation Type Iterative Method in the Generation of Mandelbrot and Julia Fractals	3
Alienation of Drygas’, Cauchy’s, Jensen’s and the quadratic equations on semigroups with an involutive automorphism	3
Entropy results for Levinson-type inequalities via Green functions and Hermite interpolating polynomial	3
On the p-invertibility in rings and Banach algebras	3
Area computation for triangular area or perimeter bisecting deltoids	3
A survey on composition operators on some function spaces	3
Plenty of hyperbolicity on a class of linear homogeneous jerk differential equations	3
Maximum number of subtrees in cacti and block graphs	3
The domination game played on diameter 2 graphs	3
On symmetrized stochastic convexity and the inequalities of Hermite–Hadamard type	3
Fejér type inequalities for higher order convex functions and quadrature formulae	3
Conditional distributivity for semi-t-operators over uninorms	2
General criteria for hyperstability of Cauchy-type equations	2
Kadec-Klee property in Musielak-Orlicz function spaces equipped with the Orlicz norm	2
Moment functions and exponential monomials on commutative hypergroups	2
Cosine subtraction laws	2
The forward order laws for the core inverse	2
When are maps preserving semi-inner products linear?	2
Quasi-arithmetic-type invariant means on probability space	2
Computer assisted investigation of alienness of linear functional equations	2
Ternary mappings of triangular algebras	2
Extensions of the sine addition law with an extra term	2
Angular structure of equiangular cones in Euclidean spaces	2
Sections in functional equations: stability and hyperstability	2
On the extremal compatible linear connection of a generalized Berwald manifold	2
Points of monotonicity in F-normed Orlicz function spaces	2
Some construction approaches for t-norms and t-conorms on bounded lattices	2
An alternative equation for generalized monomials	2
Multiplicative functions additive on polygonal numbers	2
There is at most one continuous invariant mean	2
Completely monotonic ratios of basic and ordinary gamma functions	2
On the existence of m-norms in vector spaces over valued fields	2
On the maximal part in unrefinable partitions of triangular numbers	2
Alternative Cauchy equation in three unknown functions	2
On a new class of dynamic Hardy-type inequalities and some related generalizations	2
Sincov’s and other functional equations and negative interest rates	2
Apollonian packings in seven and eight dimensions	2
Set-valued solutions of a two-variable functional equation with involutions	1
Global forcing number for maximal matchings in corona products	1
On multiplicative functions additive on Goldbach-type sets	1
Embedding euclidean distance graphs in $${\mathbb {R}}^n$$ and $${\mathbb {Q}}^n$$	1
Finite dimensional varieties on hypergroups	1
On a family of matrix equalities that involve multiple products of generalized inverses	1
Graph Lipscomb’s space is a generalized Hutchinson–Barnsley fractal	1
Packing squares into a rectangle with a relatively small area	1
Center-like subsets in prime rings with derivations and endomorphisms	1

A Levi–Civita functional equation on semigroups	1
On the general solutions of three functional equations	1
Sections and projections of nested convex bodies	1
Extreme area and perimeter bisectors in a triangle	1
Quaternion-valued multiplicative functions on semigroups	1
A new approach with new solutions to the Matkowski and Wesołowski problem	1
The solvability of $$f(p(x)) = q(f(x))$$ for given strictly monotonous continuous real functions p, q	1
Functional equations and martingales	1
On the convergence of generalized power series solutions of q-difference equations	1
Invariant affine subspaces	1
Redistributing algorithms and Shannon’s Entropy	1
Bases consisting of self-referential functions in Banach spaces	1
The Artin-Hasse series and Laguerre polynomials modulo a prime	1
The equation $$\pmb {f(xy) = f(x)h(y) + g(x)f(y)}$$ and representations on $$\pmb {\mathbb {C}^2}$$	1
Row-summable matrices with application to generalization of Schröder’s and Abel’s functional equations	1
The classification of Kleinewillinghöfer types of 2-dimensional Laguerre planes	1
On digital sequences associated with Pascal’s triangle	1
A functional equation related to Wigner’s theorem	1
A Kannappan-sine subtraction law on semigroups	1
Quadratic functions fulfilling an additional condition along the hyperbola $$\pmb {xy = 1} $$	1
Refinements of Jensen’s inequality by uniformly convex functions	1
Generalization of Heron’s and Brahmagupta’s equalities to any cyclic polygon	1
A note on the four color theorem	1
Means, Milne’s inequality, and quadrilateral area	1
One-sided invertibility of discrete operators with bounded coefficients	1
On isosceles orthogonality and some geometric constants in a normed space	1
The conditional distributivity condition for T-uninorms revisited	1
Invariant vector means and complementability of Banach spaces in their second duals	1
Characterization of the Bernoulli polynomials via the Raabe functional equation	1
On linear functional equations modulo $${\mathbb {Z}}$$	1
Orthogonality preserving property for pairs of operators on Hilbert $$C^*$$-modules	1
New generalizations of Steffensen’s inequality by Lidstone’s polynomial	1
On the total and strong version for Roman dominating functions in graphs	1
On optimal inequalities between three-point quadratures	1
Weighted $$L^2$$-norms of Gegenbauer polynomials	1
Commutants of the multidimensional Jennings group	1
Convex functions and approximate Birkhoff–James orthogonality	1
Reduction formulas for higher order derivations and a hypergeometric identity	1
Refining the Hermite-Hadamard inequalities for operator convex maps in multiple operator variables	1
Quadratic ellipsoids in Minkowski geometries	1
Note on generalized Archimedes–Borchardt algorithm	1
Continuous selecting families and collectively fixed point theory	1
On the variable-order fractional derivatives with respect to another function	1
An analogue of a theorem of Steinitz for ball polyhedra in $$\mathbb {R}^3$$	1
The Hardy–Littlewood–Pólya inequality of majorization in the context of $$\mathbf {\omega }$$–$$\textbf{m}$$–star-convex functions	1
A characterization of generalized multinomial coefficients related to the entropic chain rule	1
On non-monotonicity height of piecewise monotone functions	1
Exponential polynomials and the sine addition law on magmas	1
Undirecting membership in models of Anti-Foundation	1
Homogeneity of isosceles orthogonality, transitivity of the norm, and characterizations of inner product spaces	1
Axiomatic characterization of the $$\chi ^{2}$$ dissimilarity measure	1
Monomial functions, normal polynomials and polynomial equations	1
Radon and Carathéodory type theorems for staircase convexity	1
Some remarks on the stability of the Cauchy equation and completeness	1
Continuous solutions to two iterative functional equations	1
Characterization of t-affine differences and related forms	1
Some extremal problems for polygons in the Euclidean plane	1
Zero utility principles coinciding on binary risks	1
Rigidity of hypersurfaces and Moser–Bernstein type results in certain warped products, with applications to pseudo-hyperbolic spaces	1
On the hyperstability of the generalized class of Drygas functional equations on semigroups	1