New papers were added to the CvGmt Preprint Server - http://cvgmt.sns.it/ Title: Convexity and semiconvexity along vector fields Author: Bardi, Martino Author: Dragoni, Federica http://cvgmt.sns.it/papers/bardra/ Title: Regularity of optimal transport maps (after Ma-Trudinger-Wang and Loeper) Author: Figalli, Alessio http://cvgmt.sns.it/papers/fig09b/