Andablo-Reyes, G; Neumann-Lara, V
(2008)
Let X and Y be metric continua. Let F-n(X) (resp., F-n(Y)) be the hyperspace of nonempty closed subsets of X (resp., Y) which contain at most n elements. We say that the hyperspace F-n(X) can be orderly embedded in F-m (Y) ...