%0 Journal Article %A Caprace, Pierre-Emmanuel %T Conjugacy of 2–spherical subgroups of Coxeter groups and parallel walls %J Algebraic and Geometric Topology %D 2006 %P 1987-2029 %V 6 %N 4 %U http://geodesic.mathdoc.fr/articles/10.2140/agt.2006.6.1987/ %R 10.2140/agt.2006.6.1987 %F 10_2140_agt_2006_6_1987