On Lp-viscosity solutions of bilateral obstacle problems with unbounded ingredients
Abstract
The global equi-continuity estimate on Lp-viscosity solutions of bilateral obstacle problems with unbounded ingredients is established when obstacles are merely continuous. The existence of Lp-viscosity solutions is established via an approximation of given data. The local H\"older continuity estimate on the first derivative of Lp-viscosity solutions is shown when the obstacles belong to C1,β, and p>n.
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