Pierre Cardaliaguet and Francesca Prinari.
Titre:
"Supremal representation of $L^{\infty}$ functionals."
Abstract :
We characterize the maps $F=F(u,A)$ defined for $u\in W^{1,\infty}$ and $A$
open, which can be written as supremal functionals of the form $F(u,A)=\supess_{x\in A} f(x,u(x),Du(x))$.