@Misc{ FigJer13a, author = { Figalli, Alessio and Jerison, David }, title = { How to recognize convexity of a set from its marginals }, journal = { J. Funct. Anal. }, year = { 2013 }, pages = { }, URL = { http://cvgmt.sns.it/paper/2159/ }, note = { cvgmt preprint} }