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  • P-ISSN1226-0657
  • E-ISSN2287-6081
  • KCI

On the Stability of Reciprocal-negative Fermat’s Equation in Quasi-β-normed Spaces

Journal of the Korean Society of Mathematical Education Series B: The Pure and Applied Mathematics / Journal of the Korean Society of Mathematical Education Series B: The Pure and Applied Mathematics, (P)1226-0657; (E)2287-6081
2019, v.26 no.2, pp.85-97
https://doi.org/https://doi.org/10.7468/jksmeb.2019.26.2.85
Kang, Dongseung
Kim, Hoewoon B.

Abstract

In this paper we introduce the reciprocal-negative Fermat's equation induced by the famous equation in the Fermat's Last Theorem, establish the general solution in the simplest cases and the differential solution to the equation, and investigate, then, the generalized Hyers-Ulam stability in a <TEX>$quasi-{\beta}-normed$</TEX> space with both the direct estimation method and the fixed point approach.

keywords
generalized Hyers-Ulam stability, reciprocal-negative Fermat's equation, <tex> ${\beta}-normed$</tex> space

Journal of the Korean Society of Mathematical Education Series B: The Pure and Applied Mathematics