Thanks! For convex sets of distributions: If you weaken the definition of fixed point to gC(S)≤S, then the set {S∈CX:gC(S)=S} has a least element which really is a least fixed point.
Thanks! For convex sets of distributions: If you weaken the definition of fixed point to gC(S)≤S, then the set {S∈CX:gC(S)=S} has a least element which really is a least fixed point.