Approximation of radical functional equations related to quadratic and quartic mappings

DOI10.1016/j.jmaa.2012.04.086zbMath1259.39016OpenAlexW2009174170MaRDI QIDQ441980

J. Herrera, H. S. Yoon

Publication date: 8 August 2012

Published in: Journal of Mathematical Analysis and Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.jmaa.2012.04.086

zbMATH Keywords

2-normed spacesradical functional equationssubadditive and subquadratic functionsgeneralized Ulam stability

Mathematics Subject Classification ID

Functional equations for real functions (39B22) Stability, separation, extension, and related topics for functional equations (39B82) Functional equations for functions with more general domains and/or ranges (39B52)

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