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On the fully nonlinear Alt-Phillips equation (2008.06567v2)
Published 14 Aug 2020 in math.AP
Abstract: For a parameter $\gamma\in(1,2)$, we study the fully nonlinear version of the Alt-Phillips equation, $F(D2u)=u{\gamma-1}$, for $u\ge 0.$ We establish the optimal regularity of the solution, as well as the $C1$ regularity of the regular part of the free boundary.
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