Abstract
We prove local higher integrability for gradients of solutions to a large class of elliptic equations of the type $\text{div} A(x,\nabla u) = 0$ by studying the deviation, in a suitable sense, of the operator $A$ to be constant with respect to $x.$
Citation
Anna Verde. Gabriella Zecca. "On the higher integrability for certain nonlinear problems." Differential Integral Equations 21 (3-4) 247 - 263, 2008. https://doi.org/10.57262/die/1356038779
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