%0 Journal Article %A Marc Burger %A Alessandra Iozzi %A Anne Parreau %A Maria Beatrice Pozzetti %T Positive crossratios, barycenters, trees and applications to maximal representations %J Groups, geometry, and dynamics %D 2024 %P 799-847 %V 18 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4171/ggd/767/ %R 10.4171/ggd/767 %F 10_4171_ggd_767