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In the present paper we consider an elliptic divergence form operator in the half space and prove that its Green function is almost affine, or more precisely, that the normalized… Click to show full abstract
In the present paper we consider an elliptic divergence form operator in the half space and prove that its Green function is almost affine, or more precisely, that the normalized difference between the Green function and a suitable affine function at every scale satisfies a Carleson measure estimate, provided that the oscillations of the coefficients satisfy the traditional quadratic Carleson condition. The results are sharp, and in particular, it is demonstrated that the class of the operators considered in the paper cannot be improved.
Journal Title: Archive for Rational Mechanics and Analysis
Year Published: 2022
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