Variations on a Proof of a Borderline Bourgain-Brezis Sobolev Embedding Theorem

Citation:

Sagun CHANILLO,Jean VAN SCHAFTINGEN,Po-Lam YUNG.Variations on a Proof of a Borderline Bourgain-Brezis Sobolev Embedding Theorem[J].Chinese Annals of Mathematics B,2017,38(1):235~252
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Authors:

Sagun CHANILLO; Jean VAN SCHAFTINGEN;Po-Lam YUNG

Foundation:

S. Chanillo was partially supported by NSF grant DMS 1201474. J. Van Schaftingen was partially supported by the Fonds de la Recherche Scientifique-FNRS. P.-L. Yung was partially supported by a Titchmarsh Fellowship at the University of Oxford, a junior research fellowship at St. Hilda's College, a direct grant for research from the Chinese University of Hong Kong (3132713), and an Early Career Grant CUHK24300915 from the Hong Kong Research Grant Council.
Abstract: This paper offers a variant of a proof of a borderline Bourgain-Brezis Sobolev embedding theorem on $\mathbb{R}^n$. The authors use this idea to extend the result to real hyperbolic spaces $\mathbb{H}^n$.

Keywords:

Bourgain-Brezis inequalities, Divergence-free vector fields, Sobolevinequalities, Real hyperbolic space

Classification:

26D10
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