%0 Journal Article %A Carette, Mathieu %A Francaviglia, Stefano %A Kapovich, Ilya %A Martino, Armando %T Spectral rigidity of automorphic orbits in free groups %J Algebraic and Geometric Topology %D 2012 %P 1457-1486 %V 12 %N 3 %U http://geodesic.mathdoc.fr/articles/10.2140/agt.2012.12.1457/ %R 10.2140/agt.2012.12.1457 %F 10_2140_agt_2012_12_1457