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

STABILITY OF FUNCTIONAL EQUATIONS RELATED TO THE EXPONENTIAL AND BETA FUNCTIONS

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
2010, v.17 no.4, pp.363-372
Lee, Young-Whan

Abstract

In this paper we obtain the Hyers-Ulam stability of functional equations <TEX>$f(x+y)=f(x)+f(y)+In\;{\alpha}^{2xy-1}$</TEX> and <TEX>$f(x+y)=f(x)+f(y)+In\;{\beta(x,y)^{-1}$</TEX> which is related to the exponential and beta functions.

keywords
Cauchy functional equation, exponential functional equation, beta functional equation, stability of functional equation, solution of functional equation

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