Open Access
2012 Nearly Radical Quadratic Functional Equations in p-2-Normed Spaces
M. Eshaghi Gordji, H. Khodaei, A. Ebadian, G. H. Kim
Abstr. Appl. Anal. 2012: 1-10 (2012). DOI: 10.1155/2012/896032

Abstract

We establish some stability results in 2-normed spaces for the radical quadratic functional equation f(i=1n(xi+yi)2)+f(i=1n(xi-yi)2)=2i=1n(f(xi)+f(yi)) and then use subadditive functions to prove its stability in p-2-normed spaces.

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M. Eshaghi Gordji. H. Khodaei. A. Ebadian. G. H. Kim. "Nearly Radical Quadratic Functional Equations in p-2-Normed Spaces." Abstr. Appl. Anal. 2012 1 - 10, 2012. https://doi.org/10.1155/2012/896032

Information

Published: 2012
First available in Project Euclid: 14 December 2012

zbMATH: 1237.39032
MathSciNet: MR2910733
Digital Object Identifier: 10.1155/2012/896032

Rights: Copyright © 2012 Hindawi

Vol.2012 • 2012
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