FUZZY STABILITY OF AN ADDITIVE-QUADRATIC FUNCTIONAL EQUATION WITH THE FIXED POINT ALTERNATIVE

DOI10.7468/JKSMEB.2015.22.3.285zbMath1339.39030OpenAlexW2337597479MaRDI QIDQ2791955

Jeong Pil Seo, Sung-Jin Lee, Reza Saadati

Publication date: 16 March 2016

Published in: The Pure and Applied Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.7468/jksmeb.2015.22.3.285

zbMATH Keywords

Hyers-Ulam stabilityquadratic mappingfixed point methodadditive mappingfuzzy Banach spacefunctional equation related to inner product space

Mathematics Subject Classification ID

Hilbert and pre-Hilbert spaces: geometry and topology (including spaces with semidefinite inner product) (46C05) Stability, separation, extension, and related topics for functional equations (39B82) Functional equations for functions with more general domains and/or ranges (39B52) Fuzzy functional analysis (46S40)

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