Zygfryd Kominek, a Mathematician, a Teacher, a Friend

Online veröffentlicht: 09. Juli 2020

Seitenbereich: 1 - 26

Eingereicht: 21. Apr. 2020

Akzeptiert: 07. Juni 2020

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

Schlüsselwörter

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

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