Note on Gagliardo's theorem " tr $W^{1,1}=L^1$"
Abstract
We present a short proof of the fact, originally established by Gagliardo, that every function $f\in L^1({\mathbb R}^n)$ is the trace of a function $u\in W^{1,1}({\mathbb R}^n\times (0,\infty))$.
Origin : Files produced by the author(s)
Loading...