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A fixed point approach to approximate quadratic functional equation in non-Archimedean L*-fuzzy normed spaces

Authors
Shokri, JavadPark, Choonkil
Issue Date
Apr-2020
Publisher
IOS PRESS
Keywords
ℒ*-fuzzy metric and normed space; Hyers-Ulam stability; quadratic functional equation; non-Archimedean ℒ*-fuzzy normed space
Citation
JOURNAL OF INTELLIGENT & FUZZY SYSTEMS, v.38, no.4, pp.4265 - 4272
Indexed
SCIE
SCOPUS
Journal Title
JOURNAL OF INTELLIGENT & FUZZY SYSTEMS
Volume
38
Number
4
Start Page
4265
End Page
4272
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/142822
DOI
10.3233/JIFS-190802
ISSN
1064-1246
Abstract
We establish some stability results concerning the 2-dimensional vector variable quadratic functional equation f(x + y, z + w) + f(x - y, z - w) = 2f(x, z) + 2f(y, w) in non-Archimedean L*-fuzzy normed spaces.
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