The Pure and Applied Mathematics (한국수학교육학회지시리즈B:순수및응용수학)

Volume 14 Issue 1 Serial No. 35
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Pages.7-14
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2007
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1226-0657(pISSN)
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2287-6081(eISSN)

Korean Society of Mathematical Education (한국수학교육학회)

권호 표지

ON THE STABILITY OF THE COSINE TYPE FUNCTIONAL EQUATION

Kim, Gwang-Hui (DEPARTMENT OF MATHEMATICS, KANGNAM UNIVERSITY)

Published : 2007.02.28

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Abstract

The aim of this paper is to study the superstability problem of the cosine type functional equation f(x+y)+f(x+${\sigma}y$)=2g(x)g(y).

Keywords