Cruz Chapital, Jorge Antonio
(Universidad Michoacana de San Nicolás de Hidalgo. Universidad Nacional Autónoma de México, 2020-09)
Let (X, τ ) be a Hausdorff space and n ϵ ω. We prove that if X admits a continuous selection over Fn(X) (nonempty subsets of X of cardinality at most n), then for every n ≤ m ≤ 2n such that m is not a prime number, X admits ...