Generalized Ulam-Hyers Stability Results of a Quadratic Functional Equation in Felbin’s Type Fuzzy Normed Linear Spaces

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DOI: https://doi.org/10.28924/2291-8639-20-2022-15
Published: Mar 8, 2022
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John M. Rassias, S. Karthikeyan, G. Ganapathy, M. Suresh, T.R.K. Kumar, Generalized Ulam-Hyers Stability Results of a Quadratic Functional Equation in Felbin’s Type Fuzzy Normed Linear Spaces, Int. J. Anal. Appl., 20 (2022), 15.

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John M. Rassias, S. Karthikeyan, G. Ganapathy, M. Suresh, T.R.K. Kumar

Abstract

This paper presents the generalized Ulam-Hyers stability of the following quadratic functional equation
F((x+y)/2 – z) + f(y+z)/2 – x) + f((z+x)/2 – y) = 3/4(f(z−x) + f(z−y) + f(x−y))
in Felbin’s type fuzzy normed linear spaces (f-NLS) using direct and fixed point methods.

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