Díaz Díaz, Jesús Ildefonso2023-06-202023-06-2020081072-947Xhttps://hdl.handle.net/20.500.14352/49924In this paper we use some energy methods to study the location (and formation) of a free boundary arising in some unilateral problems, for instance, in the obstacle problem and the Stefan problem.engEstimates of the location of a free boundary for the obstacle and stefan problems obtained by means of some energy methodsjournal articlehttp://www.heldermann-verlag.de/gmj/gmj15/gmj15037.pdfhttp://www.heldermann.de/restricted access535.233.22variational-inequalitiesequationssupportformation and location of the free boundaryobstacle problemstefan problemenergy methodEcuaciones diferenciales1202.07 Ecuaciones en Diferencias