Questions on proving and manipulating inequalities.

learn more… | top users | synonyms (1)

4
votes
0answers
61 views
+50

prove or disprove an inequality on bounds of derivatives for radial functions

Suppose $f$ is a radial function, i.e., $f(x)=f(|x|)$, and $f \in C^\infty(B)$, where $B$ is the unit ball in $\mathbb{R}^n$. Prove or disprove the following. Given any positive integer $k$, ...