摘要 : An irregular obstacle problem with a non-uniformly elliptic operator in divergence form of (G, H)-growth is studied. We provide local Calderon-Zygmund type estimates for an Orlicz double phase problem by proving that the gradient ... 展开 An irregular obstacle problem with a non-uniformly elliptic operator in divergence form of (G, H)-growth is studied. We provide local Calderon-Zygmund type estimates for an Orlicz double phase problem by proving that the gradient of a solution is integrable as both the gradient of the obstacle function and the associated nonhomogeneous term in the divergence under sharp conditions on the nonlinearity. (C) 2021 Elsevier Inc. All rights reserved. 收起