Communications of the
Korean Mathematical Society
CKMS
ISSN(Print) 1225-1763
ISSN(Online) 2234-3024
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Commun. Korean Math. Soc. 2024; 39(1): 127-135
Online first article January 23, 2024 Printed January 31, 2024
https://doi.org/10.4134/CKMS.c230059
Copyright © The Korean Mathematical Society.
An example for the non-stability of multi-additive-quadratic-cubic mappings
Abasalt Bodaghi
Islamic Azad University
In this paper, we improve Corollary 1 of \cite{bras} and then present an example to show that the assertion in the mentioned corollary can not be valid in the singularity case.
Keywords: Multi-additive mapping, multi-quadratic mapping, multi-cubic mapping, Hyers-Ulam stability
MSC numbers: 39B52, 39B72, 39B82
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