@Misc{ KapMon19, author = { Kapovitch, Vitali and Mondino, Andrea }, title = { On the topology and the boundary of $N$-dimensional $RCD(K,N)$ spaces }, journal = { Geometry & Topology }, year = { 2019 }, pages = { }, URL = { http://cvgmt.sns.it/paper/4365/ }, note = { cvgmt preprint} }