no. 3
The Dirichlet problem for the biharmonic equation in a Lipschitz domain
Annales de l'Institut Fourier, Tome 36 (1986) no. 3, pp. 109-135.

Dans cet article nous étudions le problème de Dirichlet pour l’opérateur biharmonique Δ 2 , dans un domaine borné lipschitzien quelconque D dans R n , et nous donnons des bornes optimales. Nous démontrons des résultats d’existence et d’unicité quand les valeurs au bord ont des dérivées dans L 2 (∂D), et la dérivée normale appartient à L 2 (∂D). La solution qu’on obtient prend les valeurs au bord dans le sens de la convergence non-tangentielle, et la fonction maximale non-tangentielle de ∇u appartient à L 2 (∂D).

In this paper we study and give optimal estimates for the Dirichlet problem for the biharmonic operator Δ 2 , on an arbitrary bounded Lipschitz domain D in R n . We establish existence and uniqueness results when the boundary values have first derivatives in L 2 (∂D), and the normal derivative is in L 2 (∂D). The resulting solution u takes the boundary values in the sense of non-tangential convergence, and the non-tangential maximal function of ∇u is shown to be in L 2 (∂D).

@article{AIF_1986__36_3_109_0,
     author = {Dahlberg, Bj\"orn E. J. and Kenig, C. E. and Verchota, G. C.},
     title = {The {Dirichlet} problem for the biharmonic equation in a {Lipschitz} domain},
     journal = {Annales de l'Institut Fourier},
     pages = {109--135},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {36},
     number = {3},
     year = {1986},
     doi = {10.5802/aif.1062},
     zbl = {0589.35040},
     mrnumber = {88a:35070},
     language = {en},
     url = {https://aif.centre-mersenne.org/articles/10.5802/aif.1062/}
}
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Dahlberg, Björn E. J.; Kenig, C. E.; Verchota, G. C. The Dirichlet problem for the biharmonic equation in a Lipschitz domain. Annales de l'Institut Fourier, Tome 36 (1986) no. 3, pp. 109-135. doi : 10.5802/aif.1062. https://aif.centre-mersenne.org/articles/10.5802/aif.1062/

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