Elliptic equations with BMO coefficients in Lipschitz domains

Author:

Byun Sun-Sig

Abstract

In this paper, we study inhomogeneous Dirichlet problems for elliptic equations in divergence form. Optimal regularity requirements on the coefficients and domains for the W 1 , p   ( 1 > p > ) W^{1,p}\ (1>p>\infty ) estimates are obtained. The principal coefficients are supposed to be in the John-Nirenberg space with small BMO semi-norms. The domain is supposed to have Lipschitz boundary with small Lipschitz constant. These conditions for the W 1 , p W^{1,p} theory do not just weaken the requirements on the coefficients; they also lead to a more general geometric condition on the domain.

Publisher

American Mathematical Society (AMS)

Subject

Applied Mathematics,General Mathematics

Reference33 articles.

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3. Gaussian estimates for second order elliptic divergence operators on Lipschitz and 𝐶¹ domains;Auscher, P.,2001

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5. 𝐿^{𝑝} estimates for nonvariational hypoelliptic operators with VMO coefficients;Bramanti, Marco;Trans. Amer. Math. Soc.,2000

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