Annalisa Baldi, Bruno Franchi, Pierre Pansu
Abstract
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In this paper, we prove Poincaré and Sobolev inequalities for differential forms in $L^1(\mathbb R^n)$. The singular integral estimates that it is possible to use for $L^p$, $p>1$, are replaced here with inequalities which go back to Bourgain-Brezis.
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In this paper, we prove Poincaré and Sobolev inequalities for differential forms in $L^1(\mathbb R^n)$. The singular integral estimates that it is possible to use for $L^p$, $p>1$, are replaced here with inequalities which go back to Bourgain-Brezis.
Key concepts: Mathematics, Poincaré conjecture, Sobolev inequality, Euclidean geometry, Pure mathematics, Sobolev space, Differential (mechanical device), Inequality