Optimal transportation and applications lectures given at the C.I.M.E. Summer School held in Martina Franca, Italy, September 2 - 8, 2001 - Ambrosio, Luigi 1963-; Caffarelli, Luis A.; Brenier, Yann; Buttazzo, Giuseppe 1954-; Villani, Cédric 1973- (Springer, 2003)