Zygfryd Kominek, a Mathematician, a Teacher, a Friend

Pubblicato online: 09 lug 2020

Pagine: 1 - 26

Ricevuto: 21 apr 2020

Accettato: 07 giu 2020

DOI: https://doi.org/10.2478/amsil-2020-0016

Parole chiave

Steinhaus and Piccard type theorems, Smítal’s Lemma, functional equations, semilinear topology, stability in the sense of Hyers-Ulam, subquadratic functions, Jensen equation and inequality, Wright convexity, Hosszú equation, Cauchy equation, separation theorems, alienation

© 2020 Maciej Sablik, published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.