不合 发表于 2025-3-26 21:04:26

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慢慢流出 发表于 2025-3-27 04:19:42

,Hölder Regularity of the Gradient for Solutions of Fully Nonlinear Equations with Sub Linear First Using an improvement of flatness Lemma, we prove Hölder regularity of the gradient of solutions with higher order term a uniformly elliptic fully nonlinear operator and with Hamiltonian which is sub-linear. The result is based on some general compactness results.

miniature 发表于 2025-3-27 07:18:02

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柔美流畅 发表于 2025-3-27 12:53:58

Gagliardo-Nirenberg Inequalities for Horizontal Vector Fields in the Engel Group and in the Seven-DRecently, Bourgain and Brezis and Lanzani and Stein considered a class of div-curl inequalities in de Rham’s complex. In this note we prove the natural counterpart of these inequalities for horizontal vector fields in the Engel group and in the seven-dimensional quaternionic Heisenberg group.

Aromatic 发表于 2025-3-27 15:19:33

Regularity of the Free Boundary in Problems with Distributed Sources,In this survey paper we describe some recent progress on the analysis of two phase free boundary problems governed by elliptic inhomogeneous equations. We also discuss several open questions.

出价 发表于 2025-3-27 20:37:10

On the Hardy Constant of Some Non-convex Planar Domains,/16 was obtained, there has been a substantial interest on computing or estimating the Hardy constant of planar domains. In Barbatis and Tertikas (J Funct Anal 266:3701–3725, 2014) we have determined the Hardy constant of an arbitrary quadrilateral in the plane. In this work we continue our investig

Chromatic 发表于 2025-3-27 22:50:21

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Vasoconstrictor 发表于 2025-3-28 02:16:39

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Incorporate 发表于 2025-3-28 09:10:26

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aquatic 发表于 2025-3-28 11:27:38

,Sum Operators and Fefferman–Phong Inequalities,) by Franchi, Perez and Wheeden. Then we prove an embedding inequality of Fefferman–Phong type. As an application we give a unique continuation result for non negative solutions of some subelliptic equations.
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查看完整版本: Titlebook: Geometric Methods in PDE’s; Giovanna Citti,Maria Manfredini,Francesco Uguzzoni Conference proceedings 2015 Springer International Publishi