Hyers-Ulam stability of a general linear partial differential equation Sorina Anamaria CipleaNicolaie LunguThemistocles M. Rassias OriginalPaper Open access 14 May 2023 Pages: 649 - 657
Points of monotonicity in F-normed Orlicz function spaces Yabo YangYunan CuiRadosław Kaczmarek OriginalPaper 09 May 2023 Pages: 659 - 682
Deviation from equidistance for one-dimensional sequences Christian Weiß OriginalPaper Open access 21 May 2023 Pages: 683 - 705
An orthogonality type based on invariant inner products Yanping ZhaoMan YuChan He OriginalPaper 14 May 2023 Pages: 707 - 724
Isometry groups of six-dimensional nilmanifolds Kornélia FiczereÁgota Figula OriginalPaper Open access 15 May 2023 Pages: 725 - 752
Continuous dependence of the weak limit of iterates of some random-valued vector functions Dawid Komorek OriginalPaper Open access 10 May 2023 Pages: 753 - 776
Characterizations of derivations on spaces of smooth functions Włodzimierz FechnerAleksandra Świątczak OriginalPaper Open access 30 December 2022 Pages: 777 - 786
A generalization of the cosine addition law on semigroups Youssef AserrarElhoucien Elqorachi OriginalPaper 08 March 2023 Pages: 787 - 804
Packing squares into a rectangle with a relatively small area Katarzyna ChmielewskaMariola MarciniakMikołaj Marciniak OriginalPaper Open access 15 February 2023 Pages: 805 - 821
Transitive quasi-uniform structures depending on a parameter Minani IragiJosef Šlapal OriginalPaper 11 January 2023 Pages: 823 - 836
General criteria for hyperstability of Cauchy-type equations D. M. Dăianu OriginalPaper 15 April 2023 Pages: 837 - 851
Differentiable solutions of an equation with product of iterates Chaitanya Gopalakrishna OriginalPaper 10 April 2023 Pages: 853 - 870
Continuous selecting families and collectively fixed point theory Donal O’Regan OriginalPaper 08 May 2023 Pages: 871 - 881
Correction to: There is at most one continuous invariant mean Zoltán BorosRezső L. LovasPaweł Pasteczka Correction Open access 21 April 2023 Pages: 883 - 885
