Are there functions in $C_0^\infty(\mathbb R)$ which are not related to $f(x)=\begin{cases}e^{-1/x}&x>0\newline 0&x\leq 0\end{cases}$ by translation, dilation, or composition?
Remember to vote up questions/answers you find interesting or helpful (requires 15 reputation points)
|
0
|
||||
|
closed as too localized by Deane Yang, Dan Petersen, Johannes Ebert, Bruce Westbury, Anton Petrunin Mar 31 2011 at 20:06 |
