All solutions to a Schröder type functional equation Raymond MortiniRudolf Rupp OriginalPaper 27 April 2024
On when the union of two algebraic sets is algebraic Erhard AichingerMike BehrischBernardo Rossi OriginalPaper Open access 26 April 2024
General hyperstability criteria for Jensen-type equations Dan M. Dăianu OriginalPaper Open access 26 April 2024
Some investigations on the U-partial order induced by uninorms Emel AşıcıRadko Mesiar OriginalPaper 26 April 2024
On total isolation in graphs Geoffrey BoyerWayne GoddardMichael A. Henning OriginalPaper 25 April 2024
Twisted coefficients on coarse spaces and their corona Elisa Hartmann OriginalPaper Open access 24 April 2024
Position of the centroid of a planar convex body Marek Lassak OriginalPaper Open access 23 April 2024
Semi-classical 2-dimensional Minkowski planes Günter F. Steinke OriginalPaper Open access 23 April 2024
Matrix inequalities between \(f(A)\sigma f(B)\) and \(A\sigma B\) Manisha DeviJaspal Singh AujlaMohammad Sal Moslehian OriginalPaper 23 April 2024
Rotation number of 2-interval piecewise affine maps José Pedro GaivãoMichel LaurentArnaldo Nogueira OriginalPaper Open access 22 April 2024
Set valued pexiderized quadratic functional equation Elham MohammadiAbbas NajatiKazimierz Nikodem OriginalPaper 21 April 2024
Generalizing the concept of bounded variation Angshuman R. Goswami OriginalPaper Open access 20 April 2024
About Sobolev spaces on fractals: fractal gradians and Laplacians Alireza Khalili GolmankhanehPalle E. T. JørgensenKerri Welch OriginalPaper 16 April 2024
Curves that allow the motion of a regular polygon David Rochera OriginalPaper Open access 15 April 2024
The cosine addition and subtraction formulas on non-abelian groups Omar AjebbarElhoucien ElqorachiHenrik Stetkær OriginalPaper Open access 10 April 2024
A note on the Radiant formula and its relations to the sliced Wasserstein distance Gennaro Auricchio OriginalPaper Open access 06 April 2024
Global centers of a family of cubic systems Raul Felipe AppisJaume Llibre OriginalPaper Open access 05 April 2024
Alienation and stability of Jensen’s and other functional equations Mohamed TialDriss Zeglami OriginalPaper 21 March 2024
A functional equation related to Wigner’s theorem Xujian HuangLiming ZhangShuming Wang OriginalPaper 07 March 2024
Odd strength spherical designs attaining the Fazekas–Levenshtein bound for covering and universal minima of potentials Sergiy Borodachov OriginalPaper Open access 06 March 2024 Pages: 509 - 533
Symmetries in Dyck paths with air pockets Jean-Luc BarilRigoberto FlórezJosé L. Ramírez OriginalPaper 06 March 2024
Quaternion-valued multiplicative functions on semigroups Ayoub OuhabiDriss ZeglamiMohamed Ayoubi OriginalPaper 27 February 2024
Homi-repair under iteration (II): oscillating discontinuities and pre-discontinuities Xiaohua LiuLiu LiuWeinian Zhang OriginalPaper 25 February 2024 Pages: 381 - 397
A note on convex solutions to an equation on open intervals Chaitanya Gopalakrishna OriginalPaper 24 February 2024
Zonal labelings and Tait colorings from a new perspective Andrew BowlingWeiguo Xie OriginalPaper 21 February 2024
Homi-repair under iteration (I): removable and jumping cases Xiaohua LiuLiu LiuWeinian Zhang OriginalPaper 20 February 2024 Pages: 351 - 379
Disprove of a conjecture on the double Roman domination number Z. ShaoR. KhoeilarS. M. Sheikholeslami OriginalPaper 16 February 2024 Pages: 241 - 260
Exponential semi-polynomials and their characterization on semigroups Bruce Ebanks OriginalPaper 13 February 2024
Generalized Vincze’s functional equations on any group in connection with the maximum functional equation Muhammad SarfrazZhou JiangYongjin Li OriginalPaper 03 February 2024 Pages: 173 - 188
Vortex filament flows for curves in a 3-dimensional pseudo-Riemannian manifold Zühal Küçükarslan YüzbaiNevin Ertug GürbüzDae Won Yoon OriginalPaper 24 January 2024 Pages: 261 - 274
Correction to: Regularity properties of k-Brjuno and Wilton functions Seul Bee LeeStefano MarmiTanja I. Schindler Correction Open access 17 January 2024 Pages: 349 - 350
Notes on the arithmetic–geometric mean inequality Ahmad Al-NatoorOmar HirzallahFuad Kittaneh OriginalPaper 17 January 2024
On the \({A_{\!\mathbb {C}}}\)-rank of multidigraphs Sasmita BarikSane Umesh Reddy OriginalPaper 26 December 2023 Pages: 189 - 213
On the state of the second part of Hilbert’s fifth problem Antal Járai OriginalPaper Open access 22 December 2023 Pages: 1173 - 1184
On a class of functional difference equations: explicit solutions, asymptotic behavior and applications Nataliya Vasylyeva OriginalPaper 21 December 2023 Pages: 99 - 171
Remarks on Wright-convex functions Andrzej Olbryś OriginalPaper Open access 12 December 2023 Pages: 1157 - 1171
Quadratic functions fulfilling an additional condition along the hyperbola \(\pmb {xy = 1} \) Zoltán BorosEdit Garda-Mátyás OriginalPaper Open access 25 November 2023 Pages: 1141 - 1155
Some extremal problems for polygons in the Euclidean plane Yuriĭ Gennadievich NikonorovOl’ga Yur’evna Nikonorova Report 22 November 2023 Pages: 603 - 624
Spectra for upper triangular linear relation matrices through local spectral theory Teresa ÁlvarezSonia Keskes OriginalPaper 22 November 2023 Pages: 399 - 422
Further remarks on local K-boundedness of K-subadditive set-valued maps Eliza JabłońskaKazimierz Nikodem OriginalPaper Open access 21 November 2023 Pages: 981 - 993
