Lipschitz regularity of homogenization with continuous coefficients: Dirichlet problem
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We study uniform Lipschitz regularity estimates for elliptic systems in divergence form with continuous coefficients, based on rapidly oscillating periodic coefficients derived from homogenization theory. We extend the result by Avellaneda and Lin [Comm. Pure Appl. Math. 40 (1987), pp. 803--847] by minimizing all regularity conditions of the given data to integral conditions. We remark that the coefficients of an elliptic operator have Dini mean oscillation, which corresponds to the results of the latest general regularity theory.
Abstract
We study uniform Lipschitz regularity estimates for elliptic systems in divergence form with continuous coefficients, based on rapidly oscillating periodic coefficients derived from homogenization theory. We extend the result by Avellaneda and Lin [Comm. Pure Appl. Math. 40 (1987), pp. 803--847] by minimizing all regularity conditions of the given data to integral conditions. We remark that the coefficients of an elliptic operator have Dini mean oscillation, which corresponds to the results of the latest general regularity theory.