On the Stability of Cubic Mappings and Quadratic Mappings in Random Normed Spaces
Recently, the stability of the cubic functional equation f(2x+y)+f(2x−y)=2f(x+y)+2f(x−y)+12f(x) in fuzzy normed spaces was proved in earlier work; and the stability of the additive functional equations f(x+y)=f(x)+f(y), 2f((x+y)/2)=f(x)+f(y) in random normed spaces was proved a...
| Format: | Article |
|---|---|
| Language: | English |
| Published: |
SpringerOpen
2009-02-01
|
| Series: | Journal of Inequalities and Applications |
| Online Access: | http://dx.doi.org/10.1155/2008/902187 |