@Misc{ LieMieSav15, author = { Liero, Matthias and Mielke, Alexander and Savaré, Giuseppe }, title = { Optimal transport in competition with reaction: the Hellinger-Kantorovich distance and geodesic curves }, journal = { }, year = { 2015 }, pages = { }, URL = { http://cvgmt.sns.it/paper/5043/ }, note = { cvgmt preprint} }