Hessian regularity in Hölder spaces for a semi-linear bi-Laplacian equation

We examine a semi-linear variant of the bi-Laplacian equation in the superlinear, subquadratic setting and obtain $C^{2,\sigma }$-regularity estimates, depending on the growth regime of the nonlinearity. Our strategy is to render this fourth-order problem as a system of two Poisson equations and exp...

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Bibliographic Details
Main Authors: Alcantara, Claudemir, Pimentel, Edgard, Urbano, José Miguel
Format: Article
Language:English
Published: Académie des sciences 2025-05-01
Series:Comptes Rendus. Mathématique
Subjects:
Online Access:https://comptes-rendus.academie-sciences.fr/mathematique/articles/10.5802/crmath.737/
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