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Results tagged with inequalities
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user 37087
for questions involving inequalities, upper and lower bounds.
7
votes
3
answers
2k
views
Derivatives of radial functions can be bounded by derivatives in terms of radial distance?
Suppose $f$ is a radial function, i.e., $f(x)=f(|x|)$,
and $f \in C^\infty(\bar{B})$, where $\bar{B}$ is the closure of the unit ball in $\mathbb{R}^n$.
Prove or disprove the following.
Given any pos …
- 398
4
votes
1
answer
1k
views
upper bound on derivatives of a function defined on an arc
This is a simple question I asked in math.SE last month but unfortunately no one gives any comment. So I decided to try some luck here.
You can skip examples below and read from "General setting" at t …
- 398