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 2020-04-01 to 2024-04-01.)

Article	Citations
On path-factor critical deleted (or covered) graphs	36
Starshaped sets	19
Dimension preserving approximation	14
A note on the Choquet type operators	11
Some sufficient conditions for path-factor uniform graphs	10
Computer assisted solution of systems of two variable linear functional equations	9
The small dimension lemma and d’Alembert’s equation on semigroups	8
The weak core inverse	8
Some trigonometric functional equations on monoids generated by their squares	7
Characterizations of inner product spaces via angular distances and Cauchy–Schwarz inequality	6
Hyers–Ulam stability for quantum equations	6
On Wigner’s theorem in smooth normed spaces	6
Systems of functional equations and generalizations of certain functions	6
Packing colorings of subcubic outerplanar graphs	6
On Ulam stability of a third order linear difference equation in Banach spaces	6
On the Hyers–Ulam stability of certain nonautonomous and nonlinear difference equations	5
Wilson’s functional equation with an anti-endomorphism	5
A survey on measures of noncompactness with some applications in infinite systems of differential equations	5
On isoptics and isochordal-viewed curves	5
Gradual transitivity in orthogonality spaces of finite rank	5
On a certain adaptive method of approximate integration and its stopping criterion	5
A note on the g-angle between subspaces of a normed space	5
Limit theorems for Bajraktarević and Cauchy quotient means of independent identically distributed random variables	4
A new application of the Gram points. II	4
Weighted Gaussian entropy and determinant inequalities	4

K-subadditive and K-superadditive set-valued functions bounded on “large” sets	4
On the equality of two-variable general functional means	4
On a general bilinear functional equation	4
On a new class of functional equations satisfied by polynomial functions	4
Plenty of hyperbolicity on a class of linear homogeneous jerk differential equations	3
A variant of d’Alembert’s functional equation on semigroups with an anti-endomorphism	3
On s-Stirling transform and poly-Cauchy numbers of the second kind with level 2	3
Regular polygons on isochordal-viewed hedgehogs	3
A two-vertex theorem for normal tilings	3
A survey on composition operators on some function spaces	3
On curves with circles as their isoptics	3
The domination game played on diameter 2 graphs	3
Functional equations, alternating expansions, and generalizations of the Salem functions	3
New inequalities related to superquadratic functions	3
Characterizations of reverse dynamic weighted Hardy-type inequalities with kernels on time scales	3
Distributivity equations for aggregation operations with annihilator over uninorms	3
On restricted functional inequalities associated with quadratic functional equations	3
On symmetrized stochastic convexity and the inequalities of Hermite–Hadamard type	3
Area computation for triangular area or perimeter bisecting deltoids	3
On graphs with equal total domination and Grundy total domination numbers	3
Alienation of Cauchy’s and the quadratic functional equations on semigroups	2
Phase-isometries between two $$\ell ^p(\Gamma , H)$$-type spaces	2
On the maximal part in unrefinable partitions of triangular numbers	2
The forward order laws for the core inverse	2
Some construction approaches for t-norms and t-conorms on bounded lattices	2
Entropy results for Levinson-type inequalities via Green functions and Hermite interpolating polynomial	2
Conditional distributivity for semi-t-operators over uninorms	2
Packing 13 circles in an equilateral triangle	2
Moment functions and exponential monomials on commutative hypergroups	2
Kadec-Klee property in Musielak-Orlicz function spaces equipped with the Orlicz norm	2
Constant diameter and constant width of spherical convex bodies	2
Maximum number of subtrees in cacti and block graphs	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
An alternative equation for generalized monomials	2
Iterative roots of continuous functions and Hyers–Ulam stability	2
On the existence of m-norms in vector spaces over valued fields	2
Fejér type inequalities for higher order convex functions and quadrature formulae	2
On the extremal compatible linear connection of a generalized Berwald manifold	2
On Cesàro triangles and spherical polygons	2
When are maps preserving semi-inner products linear?	2
On the packing coloring of base-3 Sierpiński graphs and H-graphs	2
Ternary mappings of triangular algebras	2
Completely monotonic ratios of basic and ordinary gamma functions	2
Points of monotonicity in F-normed Orlicz function spaces	1
A class of functional equations associated with almost periodic functions	1
Commutants of the multidimensional Jennings group	1
On isosceles orthogonality and some geometric constants in a normed space	1
Sections in functional equations: stability and hyperstability	1
Countable zipper fractal interpolation and some elementary aspects of the associated nonlinear zipper fractal operator	1

A Levi–Civita functional equation on semigroups	1
Extreme area and perimeter bisectors in a triangle	1
The Hardy–Littlewood–Pólya inequality of majorization in the context of $$\mathbf {\omega }$$–$$\textbf{m}$$–star-convex functions	1
New generalizations of Steffensen’s inequality by Lidstone’s polynomial	1
Computer assisted investigation of alienness of linear functional equations	1
Radon and Carathéodory type theorems for staircase convexity	1
On linear functional equations modulo $${\mathbb {Z}}$$	1
Multiplicative functions additive on polygonal numbers	1
On optimal inequalities between three-point quadratures	1
Characterization of t-affine differences and related forms	1
Using Aichinger’s equation to characterize polynomial functions	1
Weighted $$L^2$$-norms of Gegenbauer polynomials	1
Continuous selecting families and collectively fixed point theory	1
On a linearization of the recursion $$\varvec{U(x_0,x_1,x_2,\ldots )}\varvec{=\varphi (x_0, U(x_1,x_2,\ldots ))}$$ and its application in economics	1
Convex functions and approximate Birkhoff–James orthogonality	1
Global forcing number for maximal matchings in corona products	1
Finite dimensional varieties on hypergroups	1
On a family of matrix equalities that involve multiple products of generalized inverses	1
Bases consisting of self-referential functions in Banach spaces	1
Alienation of Drygas’, Cauchy’s, Jensen’s and the quadratic equations on semigroups with an involutive automorphism	1
On digital sequences associated with Pascal’s triangle	1
Rigidity of hypersurfaces and Moser–Bernstein type results in certain warped products, with applications to pseudo-hyperbolic spaces	1
Invariant vector means and complementability of Banach spaces in their second duals	1
Sections in functional equations	1
Bisymmetric functionals revisited or a converse of the Fubini theorem	1
Sections and projections of nested convex bodies	1
Homogeneity of isosceles orthogonality, transitivity of the norm, and characterizations of inner product spaces	1
Refinements of Jensen’s inequality by uniformly convex functions	1
Characterization of the Bernoulli polynomials via the Raabe functional equation	1
Orthogonality preserving property for pairs of operators on Hilbert $$C^*$$-modules	1
The solvability of $$f(p(x)) = q(f(x))$$ for given strictly monotonous continuous real functions p, q	1
Cosine subtraction laws	1
On the convergence of generalized power series solutions of q-difference equations	1
An Application of Viscosity Approximation Type Iterative Method in the Generation of Mandelbrot and Julia Fractals	1
Some remarks on the stability of the Cauchy equation and completeness	1
Continuous solutions to two iterative functional equations	1
On the p-invertibility in rings and Banach algebras	1
On the hyperstability of the generalized class of Drygas functional equations on semigroups	1
Extensions of the sine addition law with an extra term	1
Refining the Hermite-Hadamard inequalities for operator convex maps in multiple operator variables	1
On multiplicative functions additive on Goldbach-type sets	1
On non-monotonicity height of piecewise monotone functions	1
On the balancing property of Matkowski means	1
On alienation of two functional equations of quadratic type	1
On the Cauchy difference of functions bounded modulo $$\mathbb {Z}$$ on “large” sets	1
A characterization of generalized multinomial coefficients related to the entropic chain rule	1
A note on the four color theorem	1
Row-summable matrices with application to generalization of Schröder’s and Abel’s functional equations	1
Exponential polynomials and the sine addition law on magmas	1
Undirecting membership in models of Anti-Foundation	1
On the general solutions of three functional equations	1
The conditional distributivity condition for T-uninorms revisited	1
Monomial functions, normal polynomials and polynomial equations	1
One-sided invertibility of discrete operators with bounded coefficients	1
Alternative Cauchy equation in three unknown functions	1
Apollonian packings in seven and eight dimensions	1
Quasi-arithmetic-type invariant means on probability space	1
Hyers–Ulam stability of bijective $$\varepsilon $$-isometries between Hausdorff metric spaces of compact convex subsets	1
On the total and strong version for Roman dominating functions in graphs	1
Functional equations and martingales	1
A functional equation of tail-balance for continuous signals in the Condorcet Jury Theorem	1
The Artin-Hasse series and Laguerre polynomials modulo a prime	1
General criteria for hyperstability of Cauchy-type equations	1
The classification of Kleinewillinghöfer types of 2-dimensional Laguerre planes	1
There is at most one continuous invariant mean	1
Set-valued solutions of a two-variable functional equation with involutions	1
Extensions of recent combinatorial refinements of discrete and integral Jensen inequalities	1
Transitivity and sensitivity of iterated function systems via Furstenberg families	1