Illanes, Alejandro; Martínez-de-la-Vega, Verónica(Universitat Politècnica de València, 2022-10-03)
[EN] Let X be a metric continuum and n ∈ N. Let Fn(X) be the hyperspace
of nonempty subsets of X with at most n points. If 1 ≤ m < n, we consider the quotient space Fnm(X) = Fn(X)/Fm(X). Given a mapping
f : X → X, we ...