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http://dx.doi.org/10.7858/eamj.2019.029

ON THE STABILITY OF A GENERAL QUADRATIC-CUBIC FUNCTIONAL EQUATION IN NON-ARCHIMEDEAN NORMED SPACES  

Lee, Yang-Hi (Department of Mathematics Education, Gongju National University of Education)
Publication Information
East Asian mathematical journal / v.35, no.3, 2019 , pp. 331-340 More about this Journal
Abstract
In this paper, we investigate the stability for the functional equation $f(x+ky)-kf(x+y)+kf(x-y)-f(x-ky)-(k^3-k)f(y)+(k^3-k)f(-y)=0$ in the sense of M. S. Moslehian and Th. M. Rassias.
Keywords
stability; general quadratic-cubic functional equation; general quadratic-cubic mapping; direct method;
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