On duals of Calderón-Lozanovskiĭ intermediate spaces
On duals of Calderón-Lozanovskiĭ intermediate spaces
We give a description of the dual of a Calderón-Lozanovskiĭ intermediate space φ(X,Y) of a couple of Banach Köthe function spaces as an intermediate space ψ(X*,Y*) of the duals, associated with a "variable" function ψ.