Remarks on the stability of Drygas' equation and the Pexider-quadratic equation
type: Item
instance of: scholarly article
title: Remarks on the stability of Drygas' equation and the Pexider-quadratic equation
zbMATH Open document ID: 1056.39038
author: Dilian Yang
published in: Aequationes Mathematicae
publication date: 2004-11-05T00:00:00Z
review text: The author proves the Hyers-Ulam stability of the Pexider-quadratic equation and Drygas' equation on a class of groups, with sharper bounds. An example is also given to illustrate that the quadratic functional equation is not stable in general on non abelian groups.
reviewed by: Paşc Găvruţă
Mathematics Subject Classification ID: 39B82
Mathematics Subject Classification ID: 39B52
zbMATH DE Number: 2113899
zbMATH Keywords: Hyers-Ulam stability
zbMATH Keywords: Drygas' equation
zbMATH Keywords: Pexider-quadratic equation
zbMATH Keywords: quadratic functional equation
zbMATH Keywords: non abelian groups
zbMATH Keywords: stability
MaRDI profile type: Publication
full work available at URL: s00010-003-2722-6
OpenAlex ID: W1552892605
DOI: 10.1007/S00010-003-2722-6
description: scientific article; zbMATH DE number 2113899