%0 Journal Article %A A. Neumann %T Invariant Convex Sets in Operator Lie Algebras %J Journal of convex analysis %D 2001 %P 291-326 %V 8 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_2001_8_2_JCA_2001_8_2_a0/ %F JCA_2001_8_2_JCA_2001_8_2_a0