Kirszbraun-type Theorems For Graphs

Nishant Chandgotia, Igor Pak, Martin Tassy

The classical Kirszbraun theorem says that all $1$-Lipschitz functions $f:A⟶{\mathbb{R}}^n$, $A\subset {\mathbb{R}}^n$, with the Euclidean metric have a $1$-Lipschitz ex…