%0 Journal Article %A Conant, Jim %A Kassabov, Martin %T Hopf algebras and invariants of the Johnson cokernel %J Algebraic and Geometric Topology %D 2016 %P 2325-2363 %V 16 %N 4 %U http://geodesic.mathdoc.fr/articles/10.2140/agt.2016.16.2325/ %R 10.2140/agt.2016.16.2325 %F 10_2140_agt_2016_16_2325