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تسجيل مستخدم جديدA global fractional Caccioppoli-type estimate for solutions to nonlinear elliptic problems with measure data
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We prove a global fractional differentiability result via the fractional Caccioppoli-type estimate for solutions to nonlinear elliptic problems with measure data. This work is in fact inspired by the recent paper [B. Avelin, T. Kuusi, G. Mingione, {em Nonlinear Calderon-Zygmund theory in the limiting case}, Arch. Rational. Mech. Anal. {bf 227}(2018), 663--714], that was devoted to the local fractional regularity for the solutions to nonlinear elliptic equations with right-hand side measure, of type $-mathrm{div}, mathcal{A}( abla u) = mu$ in the limiting case. Being a contribution to recent results of identifying function classes that solutions to such problems could be defined, our aim in this work is to establish a global regularity result in a setting of weighted fractional Sobolev spaces, where the weights are powers of the distance function to the boundary of the smooth domains.
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