Multiobjective optimization for nuclear fleet evolution scenarios using COSI David Freynet, Christine Coquelet-Pascal, Romain Eschbach, Guillaume Krivtchik and Elsa Merle-Lucotte EPJ Nuclear Sci. Technol., 2 (2016) 9 Published online: 04 March 2016 DOI: 10.1051/epjn/e2015-50066-7