“Can art save the world?” is a well-known catchphrase in art circles. As most participants to the ICME are mathematicians, the title of this DG was reformulated more modestly as: “Can art save mathematics?” Indeed, some call mathematics a supreme art form as it enjoys total freedom, unrestricted by material limitations. An art form with the “collateral advantage” of having many real life applications, sure. However, if it can be considered as art, why don’t art and mathematics more often collaborate, for their mutual benefit? In the past, carpenters or painters sometimes helped mathematicians in the construction of mathematical models which sometimes had artistic ambitions (intarsia, for instance), but today’s computers allow mathematician...