1. On methods for solving composite functional equations

   • Nicole Brillouët-Belluot

   OriginalPaper 22 July 2020 Pages: 605 - 628

   

2. Bisymmetric functionals revisited or a converse of the Fubini theorem

   • Maciej Sablik

   OriginalPaper Open access 10 June 2020 Pages: 629 - 649

3. On the equality problem of generalized Bajraktarević means

   • Richárd Grünwald
   • Zsolt Páles

   OriginalPaper Open access 07 August 2019 Pages: 651 - 677

4. Embeddability of pairs of weighted quasi-arithmetic means into a semiflow

   • Dorota Głazowska
   • Justyna Jarczyk
   • Witold Jarczyk

   OriginalPaper Open access 09 September 2019 Pages: 679 - 687

5. The Levi-Civita equation in function classes

   • Miklós Laczkovich

   OriginalPaper Open access 22 October 2019 Pages: 689 - 701

6. Maps on positive cones in operator algebras preserving power means

   • Lajos Molnár

   OriginalPaper Open access 04 October 2019 Pages: 703 - 722

7. Computer assisted solution of systems of two variable linear functional equations

   • Gergő Gyula Borus
   • Attila Gilányi

   OriginalPaper Open access 13 July 2020 Pages: 723 - 736

   

8. Some generalized quadratic functional equations on monoids

   • Bruce Ebanks

   OriginalPaper 05 November 2019 Pages: 737 - 747

9. On a derivation of the Goldstein–Einhorn probability weighting functions

   • Jacek Chudziak

   OriginalPaper Open access 18 January 2020 Pages: 749 - 759

10. Maps stemming from the functional calculus that transform a Kubo–Ando mean into another

    • Gergő Nagy

    OriginalPaper Open access 13 July 2020 Pages: 761 - 775

11. 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

    • Marek Cezary Zdun

    OriginalPaper Open access 29 July 2020 Pages: 777 - 791