I know that $f \in C^{0,1}_{loc}(U)\Leftrightarrow f \in W^{1,\infty}_{loc}(U)$ and I have a reference for this. I would like a reference or a explanation for $C^{0,1} = W^{1,\infty}$ on domain convex.
2026-05-02 09:11:48.1777713108
relation between $W^{1,\infty}$ and $C^{0,1}$
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