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Green's function for nondivergence elliptic operators in two dimensions (2003.11185v3)
Published 25 Mar 2020 in math.AP
Abstract: We construct the Green function for second-order elliptic equations in non-divergence form when the mean oscillations of the coefficients satisfy the Dini condition. We show that the Green's function is BMO in the domain and establish logarithmic pointwise bounds. We also obtain pointwise bounds for first and second derivatives of the Green's function.
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