Lifting in Sobolev spaces
Résumé
We characterize the couples $(s,p)$ with the following property: if $u$ is a complex-valued unimodular map in $W^{s,p}$, then $u$ has (locally) a phase in $W^{s,p}$.
Domaines
Analyse classique [math.CA]
Origine : Fichiers produits par l'(les) auteur(s)
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