推导二阶退化椭圆偏微分方程divA(x,▽u(x))=0的障碍问题的解的微商的局部可积性,此二阶退化椭圆方程需满足A(x,ξ)·ξ≥α | ξ| p,| A(x,ξ)|≤β(| ξ|+k(x))p-1,p＞1.
A local higher integrability result for the derivatives of the solutions to obstacle problems associatlished where the equation satisfics conditions A (x, ξ)· ξ≥α | ξ| p and |A (x, ξ) | ≤β(|ξ| + k (x))p- t, p ＞ 1.
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