À propos de cet article
Publié en ligne: 24 nov. 2023
Pages: 55 - 64
Reçu: 07 janv. 2022
Accepté: 10 janv. 2022
DOI: https://doi.org/10.2478/gm-2022-0004
Mots clés
© 2022 Alexandru Orzan, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
The aim of this paper is to generalize the convexity preserving properties of sets by direct and inverse images initially stated for set-valued ratios of affine functions to a broader class of fractional type set-valued functions which strictly includes the first one.