%0 Journal Article %A Díaz Díaz, Jesús Ildefonso %A Mingazzini, Tommaso %T Free boundaries touching the boundary of the domain for some reaction-diffusion problems %D 2015 %@ 0362-546X %U https://hdl.handle.net/20.500.14352/22980 %X We give conditions on the behaviour of the trace datum near the boundary of its support in order to know whether the free boundary given by the boundary of the support of the solution of suitable elliptic or parabolic semilinear problem is connected or not with the boundary of the support of the boundary datum. %~