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Results tagged with real-analysis
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user 36687
Real-valued functions of real variable, analytic properties of functions and sequences, limits, continuity, smoothness of these.
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votes
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Lipschitz functions that saturate the Lipschitz inequality on the average (part 1)
Consider a 1-Lipschitz function $f: \mathbb R^n \to \mathbb R$ satisfying the inequality
\begin{align*}
|f(x) - f(y)| \le \|x-y\|_2, \;\forall x,y \in \mathbb R^n.
\end{align*}
For $n \ge 2$, can we f …
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