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Sobolev inequalities with remainder terms - MaRDI portal

Sobolev inequalities with remainder terms (Q1066050)

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scientific article; zbMATH DE number 3923428
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Sobolev inequalities with remainder terms
scientific article; zbMATH DE number 3923428

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    Sobolev inequalities with remainder terms (English)
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    1985
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    Le résultat principal concerne l'inégalité de Sobolev \[ \int_{\Omega}| \nabla u|^ 2\geq S_ n\| u\|^ 2_{2^*}+C(\Omega)[u]^ 2_{2^*/2}. \] Pour toute fonction \(u\in H^ 1_ 0(\Omega)\), où \(\Omega \subset {\mathbb{R}}^ n\) est un ouvert borné, \(S_ n\) est la meilleure constante de Sobolev dans \({\mathbb{R}}^ n\), \(2^*={\mathfrak n}/(n-2)\) et [ \(]_ p\) est la norme dans \(L^ p\) faible (espace de Marcinkiewicz).
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    Sobolev inequality
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    Marcinkiewicz space
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