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Generalized Hyers-Ulam stability of quadratic functional equations: a fixed point approachopen access

Authors
Park, Choonkil
Issue Date
Jan-2008
Publisher
SPRINGER INTERNATIONAL PUBLISHING AG
Citation
FIXED POINT THEORY AND APPLICATIONS
Indexed
SCIE
SCOPUS
Journal Title
FIXED POINT THEORY AND APPLICATIONS
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/172164
DOI
10.1155/2008/493751
ISSN
1687-1820
Abstract
Using the fixed point method, we prove the generalized Hyers-Ulam stability of the quadratic functional equation f (2x+y)=4f(x)+f(y)+f( x+ y)-f( x-y) in Banach spaces.
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