Aequationes Mathematicae

Papers
(The median citation count of Aequationes Mathematicae is 0. 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.)
ArticleCitations
A note on the four color theorem55
n-gon centers and central lines32
On a combinatorial identity of Gavrea and Ivan and related results29
Balanced Stirling numbers17
Packing squares into a rectangle with a relatively small area13
Hyers-Ulam stability of a general linear partial differential equation8
Casting light on integer compositions8
Equalities for mixed operations of Moore–Penrose and group inverses of a matrix7
A generalization of the cosine addition law on semigroups6
A divided-difference characterization of polynomials over finite fields of characteristic two5
Recent progress on minimal hypersurfaces with cylindrical tangent cones5
Common positive solutions for two non-linear matrix equations using fixed point results in b-metric-like spaces5
Global forcing number for maximal matchings in corona products5
Bases consisting of self-referential functions in Banach spaces5
Continuous selections and collectively fixed point theory with applications to generalized games5
A class of functional equations for additive functions4
Regularity properties of k-Brjuno and Wilton functions4
The number of independent sets in bipartite graphs and benzenoids4
Orthogonality induced by norm derivatives: a new geometric constant and symmetry4
Regular polygons on isochordal-viewed hedgehogs4
Correction to: There is at most one continuous invariant mean4
Vector-valued invariant means4
Correction to: Vector-valued Banach limits and the linear span property4
The singular evolutoids set and the extended evolutoids front4
On linear functional equations modulo $${\mathbb {Z}}$$4
A new equation related to two-sided centralizers in prime rings3
On q-generalized (r, s)-Stirling numbers3
Functional equations stemming from ‘scientific laws’3
Matrix inequalities between $$f(A)\sigma f(B)$$ and $$A\sigma B$$3
A generalization of the Kannappan-sine addition law on semigroups3
Extreme area and perimeter bisectors in a triangle3
Further results on positively homogeneous subadditive functions by using Csiszár f-divergence3
Homogeneity of isosceles orthogonality, transitivity of the norm, and characterizations of inner product spaces3
Dimension preserving approximation3
Characterization of affine differences and related forms3
Explicit forms of invariant means: complementary results to Gauss $$\left( {\mathcal {A}},{\mathcal {G}}\right) $$-theorem and some applications3
Discrete Time-dependent wave equations II. Semiclassical Fractional Klein-Gordon equation3
Regular solutions of a functional equation derived from the invariance problem of Matkowski means3
Continuous dependence of the weak limit of iterates of some random-valued vector functions3
Adjacencies for recognition of digital Jordan surfaces3
Linear functional equations and their solutions in generalized Orlicz spaces2
A classification of non-monotonicity height for piecewise monotone functions (I): increasing case2
On multiadditive set-valued maps “modulo K”2
On metric stability of set-valued subadditive functions2
General hyperstability criteria for Jensen-type equations2
An Application of Viscosity Approximation Type Iterative Method in the Generation of Mandelbrot and Julia Fractals2
Extending EP matrices by means of recent generalized inverses2
Global asymptotic stability of one time-continuous and two time-discrete models for ethanol metabolism in the human body2
Uniformly-like convex solutions for the polynomial-like iterative equation in Banach spaces2
On iterative roots of injective functions2
László Székelyhidi2
Some investigations on the U-partial order induced by uninorms2
Skew Dyck paths with air pockets2
On digital sequences associated with Pascal’s triangle2
Characterizations of weighted generalized inverses2
A study on Davison’s functional equation for set-valued functions2
Randomly r-orthogonal factorizations in bipartite graphs2
A functional equation related to Wigner’s theorem2
Stability of $$\varepsilon $$-isometries and their symmetrizations on the positive cones of $$c_0$$2
New generalizations of Steffensen’s inequality by Lidstone’s polynomial2
Sparse groups need not be semisparse2
More results on the signed double Roman k-domination in graphs2
A note on homotopy extension KKM type maps2
Operators with a non-trivial closed invariant affine subspace2
On some linear functional equations with continuous solutions2
Pexider invariance equation for embeddable mean-type mappings1
A generalization of a theorem of von Neumann1
Some new minimax inequalities for centered convex bodies1
Set-valued dynamics related to convex-valued m-mappings1
Zero utility principles coinciding on binary risks1
Characterization of the Bernoulli polynomials via the Raabe functional equation1
On surface of Apollonius of two ellipsoids1
Alienation of Drygas’, Cauchy’s, Jensen’s and the quadratic equations on semigroups with an involutive automorphism1
On distance spectral radius of graphs with given number of pendant paths of fixed length1
A characterization of the Euclidean ball via antipodal points1
Overpartitions in terms of 2-adic valuation1
On the equality problem of two-variable Bajraktarević means under first-order differentiability assumptions1
Clique trees with a given zero forcing number maximizing the $$A_\alpha $$-spectral radius1
On the critical exponents of generalized ballot sequences in three dimensions and large tandem walks1
About Sobolev spaces on fractals: fractal gradians and Laplacians1
Distributivity and conditional distributivity of bi-uninorms over uninorms1
On Jensen’s inequality involving divided differences of convex functions1
Refinements of Jensen’s inequality by uniformly convex functions1
On evolutes of curves in the isotropic plane1
On the Li–Zheng theorem1
Some characterizations of the disc by properties of isoptic triangles1
Weakly contractive in mean random-valued functions and two linear functional equations1
On certain composite functional equations associated with the Dirichlet function1
Some study of the approximate Birkhoff orthogonality and orthogonality of bounded linear operators1
Bisector fields and pencils of conics1
The minmin coalition number in graphs1
On an alternative additive-quadratic functional equation1
On monohedral tilings of a regular polygon1
Proof of a conjecture due to Chu on Gosper-type sums1
On and around the balanced Cauchy equation1
Complementary means with respect to a nonsymmetric invariant mean1
On the maximal part in unrefinable partitions of triangular numbers1
Hyers-Ulam stability of an  iterative  equation  for  strictly increasing continuous functions1
Axiomatic characterization of the $$\chi ^{2}$$ dissimilarity measure1
Entropy results for Levinson-type inequalities via Green functions and Hermite interpolating polynomial1
Extensions of the sine addition law with an extra term1
Maker-Breaker resolving game played on corona products of graphs1
Constructing Ricci vector fields on $${\mathbb {R}}^2$$ with a diagonal metric1
Mathematical models of functional extreme leaning machins: operator-algebraic and free-probabilistic approaches1
On the functional equation $$\hbox {f}(\hbox {x}+\hbox {y})=\hbox {g}(\hbox {xy})$$1
Elephant polynomials1
On some classes of multiplicative functions1
Isometry groups of six-dimensional nilmanifolds1
Characterizing spanning trees via the size or the spectral radius of graphs1
Points of monotonicity in F-normed Orlicz function spaces1
A Kannappan-sine subtraction law on semigroups1
New lower bound for the optimal congruent geodesic ball packing density of screw motion groups in $$\textbf{H}^2\!\times \!\textbf{R}$$ space1
Angular structure of equiangular cones in Euclidean spaces1
On the solvability of the (SSIE) with operator $${D}_{x} {\mathbf { * }}\left( { s}_{ R}^{{\textbf{0}}} \right) _{{{{\Sigma }} - {\lambda I}}} {{ \subset }}{ s}_{ R}^{{{0}}} $$, involving the fine spe1
Odd strength spherical designs attaining the Fazekas–Levenshtein bound for covering and universal minima of potentials1
The monomial functional equation for connected Lie groups1
Refining the Hermite-Hadamard inequalities for operator convex maps in multiple operator variables1
Quaternion-valued multiplicative functions on semigroups1
On composition and Right Distributive Law for formal power series of multiple variables1
Set-valued solutions of a two-variable functional equation with involutions1
Some sufficient conditions for path-factor uniform graphs1
On polyhedral graphs and their complements1
Angular structure of Reuleaux cones1
The Artin-Hasse series and Laguerre polynomials modulo a prime1
Prefixes of bargraph paths1
Note on the variance of generalized random polygons1
Exponential semi-polynomials and their characterization on semigroups1
Discrete time scales with two quanta and Ulam stability1
Sections and projections of nested convex bodies1
Vector valued invariant means, complementability and almost constrained subspaces1
Another approach to K-subadditivity1
Quadratic functions fulfilling an additional condition along the hyperbola $$\pmb {xy = 1} $$1
Sorting 1-away permutations with underlying Fibonacci convolutions1
On strongly m-convex stochastic processes1
The 60th International Symposium on Functional Equations, Hotel Rewita, Kościelisko (Poland), June 9–15, 20240
Cauchy product of iterative functional equation0
When a word in Riordan involutions is a Riordan involution?0
Continuous selecting families and collectively fixed point theory0
Minimal codewords in Norm-Trace codes0
Alienation and stability of Jensen’s and other functional equations0
On the extremal compatible linear connection of a generalized Berwald manifold0
General criteria for hyperstability of Cauchy-type equations0
On forward-order law for core inverse in rings0
Redistributing algorithms and Shannon’s Entropy0
Gromov hyperbolicity of Johnson and Kneser graphs0
Distributivity equations for aggregation operations with annihilator over uninorms0
Polynomially EP operators0
Partitions associated to class groups of imaginary quadratic number fields0
Weighted Ingham-type inequalities via the positivity of quadratic polynomials0
The Goldie Equation: III. Homomorphisms from functional equations0
Arithmetic properties for generalized cubic partitions and overpartitions modulo a prime0
On even orthogonally additive mappings in orthogonality spaces0
Correction to: Regularity properties of k-Brjuno and Wilton functions0
On some operator functional equations related to evaluation functionals and weighted composition operators on function spaces0
Metric symmetry and distance distribution functions on graphs0
Behavior of convex integrand at a d-apex of its Wulff shape and approximation of spherical bodies of constant width0
The 58th International Symposium on Functional Equations Bilesdungshaus Grillhof, Innsbruck (Austria), June 19–26, 2022 Dedicated to the memory of János Aczél, founder of the Symposia0
Characterizations of Jordan *-isomorphisms of $$C^*$$-algebras by Schatten p-norm of Kubo–Ando means0
Vortex filament flows for curves in a 3-dimensional pseudo-Riemannian manifold0
A generalization of Bohr–Mollerup’s theorem for higher order convex functions: a tutorial0
On measure of noncompactness in Lebesgue and Sobolev spaces with an application to the functional integro-differential equation0
Extending domains in the section method0
Iterated rascal triangles0
Set valued pexiderized quadratic functional equation0
A note on convex solutions to an equation on open intervals0
On a sine addition/subtraction law on semigroups0
Quantum dynamics of elliptic curves0
On a generalized notion of metrics0
Rotation number of 2-interval piecewise affine maps0
A Levi–Civita functional equation on semigroups0
On symbolic computation of C.P. Okeke functional equations using Python programming language0
Independent transversal domination in trees, products and under local changes to a graph0
Some moduli related to $$\rho _{\pm }$$-orthogonalities and semi-orthogonality in Banach spaces0
An explicit example of an iteration group in the ring of formal power series0
Numerical semigroups bounded by the translation of a plane monoid0
On when the union of two algebraic sets is algebraic0
Maciej Sablik0
Homi-repair under iteration (I): removable and jumping cases0
Some construction approaches for t-norms and t-conorms on bounded lattices0
Twisted coefficients on coarse spaces and their corona0
A simple proof of the rationality of Takagi-like functions0
Cosine subtraction laws0
Quadratic ellipsoids in Minkowski geometries0
Characterizations of derivations on spaces of smooth functions0
Visibility polynomials, dual visibility spectrum, and characterization of total mutual-visibility sets0
Finer results on Wilson functions with an anti-endomorphism on semigroups0
Curves that allow the motion of a regular polygon0
Using Aichinger’s equation to characterize polynomial functions0
Generalized Vincze’s functional equations on any group in connection with the maximum functional equation0
Some extremal problems for polygons in the Euclidean plane0
On spectral irregularity of graphs0
A note on ideal C$$^*$$-completions and amenability0
On restricted functional inequalities associated with quadratic functional equations0
Area computation for triangular area or perimeter bisecting deltoids0
A survey on measures of noncompactness with some applications in infinite systems of differential equations0
Additive maps on rank-s upper triangular matrices0
Alienation of the quadratic, exponential and d’Alembert functional equations0
A characterization of generalized multinomial coefficients related to the entropic chain rule0
On optimal inequalities between three-point quadratures0
All solutions to a Schröder type functional equation0
Radon and Carathéodory type theorems for staircase convexity0
A note on iterated maps of the unit sphere0
Distance signless Laplacian spectral radius for the existence of path-factors in graphs0
Quasi-Cauchy quotients and means0
Position of the centroid of a planar convex body0
Domination parameters and added matchings0
Three inequalities that characterize the exponential function0
Semi-classical 2-dimensional Minkowski planes0
Convex functions and approximate Birkhoff–James orthogonality0
Properties of Motzkin triangle and t-generalized Motzkin sequences0
On a polygonal mean value property0
Rigidity of hypersurfaces and Moser–Bernstein type results in certain warped products, with applications to pseudo-hyperbolic spaces0
On the minimality of the Winterbottom shape0
The order structure of forts iterated by quadratic polynomials0
On the Jensen convexity of quasideviation and Bajraktarević means0
Levin–Cochran–Lee inequalities and best constants on homogeneous groups0
Hlawka’s functional inequality almost everywhere0
Continuous inverse ambiguous functions on Lie groups0
Paired-domination game played on paths0
An alternative equation for generalized monomials0
Shannon’s entropy and its bounds for some a priori known equiprobable states0
Iterative roots of PM functions extended from the characteristic interval0
On multiplicative functions additive on Goldbach-type sets0
Coincidence theory for lower semicontinuous type maps with decomposable values0
On the variable-order fractional derivatives with respect to another function0
On quadrature means0
Solutions of the functional difference Toda equation from centered Darboux transformation0
$$\varepsilon $$-isometries in $$l^n_1$$0
On multiplicative functions which are additive on positive cubes0
Iteration of a class of multi-plateau mappings0
Analytical aspects of a q, r-analogue of poly-Stirling numbers of both kinds0
On the state of the second part of Hilbert’s fifth problem0
On graceful antimagic graphs0
Bernoulli numbers with level 20
Spectra for upper triangular linear relation matrices through local spectral theory0
Monomial functions, normal polynomials and polynomial equations0
Asymptotic expansions of the Archimedean compounds0
Hyers–Ulam stability of integral equations with infinite delay0
A majorization extension of Fenchel’s and Young’s results with a control map0
On Wendel’s equality for intersections of balls0
New constructions of t-norms and t-conorms on bounded lattices0
Correction to: On the solvability of the (SSIE) with operator $${D}_{x} {\mathbf { * }}\left( { s}_{ R}^{{\textbf{0}}} \right) _{{{{\Sigma }} - {\lambda I}}} {{ \subset }}{ s}_{ R}^{{{0}}} $$, involvi0
Neighborly translational tessellations of the n-torus0
Vector-valued Banach limits and the linear span property0
A Tverberg type theorem for staircase convexity0
An upper bound of the density for packing of congruent hyperballs in hyperbolic $$3-$$space0
Conditional distributivity for semi-t-operators over uninorms0
A Pexider equation containing the aritmetic mean0
Deviation from equidistance for one-dimensional sequences0
Basic sets for some basic functional equations0
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