@Misc{ BonFigRos16, author = { Bonforte, Matteo and Figalli, Alessio and Ros-Oton, Xavier }, title = { Infinite speed of propagation and regularity of solutions to the fractional porous medium equation in general domains }, journal = { Comm. Pure Appl. Math. }, year = { 2016 }, pages = { }, URL = { http://cvgmt.sns.it/paper/2960/ }, note = { cvgmt preprint} }