scholarly journals Elliptic equations with measurable coefficients in Reifenberg domains

2010 ◽  
Vol 225 (5) ◽  
pp. 2648-2673 ◽  
Author(s):  
Sun-Sig Byun ◽  
Lihe Wang
Author(s):  
Tonia Ricciardi

We prove a sharp Hölder estimate for solutions of linear, two-dimensional, divergence-form, elliptic equations with measurable coefficients, such that the matrix of the coefficients is symmetric and has unit determinant. Our result extends some previous work by Piccinini and Spagnolo. The proof relies on a sharp Wirtinger type inequality.


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