Preface.- Part I Birational automorphisms.- H. Ahmadinezhad: Singular del Pezzo fibrations and birational rigidity.- I. Arzhantsev, A. Popovskiy: Additive actions on projective hypersurfaces.- J. Blanc, F. Mangolte: Cremona groups of real surfaces.- M. Brion: On automorphisms and endomorphisms of projective varieties.- I. Cheltsov: Del Pezzo surfaces and local inequalities.- T. de Fernex: Fano hypersurfaces...