Abstract
In this paper we study the existence and regularity of solutions to some nonlinear boundary value problems with non coercive drift. The model problem is
where \(p>1\), \(\Omega \) is an open bounded subset of \({\mathbb {R}}^N\), A(x) is an elliptic matrix with measurable and bounded entries,\(E\in (L^{N}(\Omega ))^N\) and \(f\in L^{m}(\Omega )\) with \(1<m<\frac{N}{p}\). No further regularity on the coefficients of A(x) is used and no smallness assumption of \(\Vert |E|\Vert _{L^{N}(\Omega )}\) is required. Our strategy is based on the proof of a priori estimates by contradiction.
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Notes
If \(1<s<N\) we set \(s^*= \frac{Ns}{N-s}\) and for \(s>1\) we denote by \(s'\) its Hölder conjugate exponent.
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Acknowledgements
Stefano Buccheri has been partially supported by Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (PNPD/CAPES-UnB-Brazil), Grants 88887.363582/2019-00.
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Boccardo, L., Buccheri, S. & Cirmi, G.R. Calderon–Zygmund–Stampacchia theory for infinite energy solutions of nonlinear elliptic equations with singular drift. Nonlinear Differ. Equ. Appl. 27, 38 (2020). https://doi.org/10.1007/s00030-020-00641-z
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DOI: https://doi.org/10.1007/s00030-020-00641-z