ANAYA ORTEGA, JOSE GUADALUPE; Maya Escudero, David; Carranza Cruz, Rosa Isela; Orozco Zitli, Fernando
(Elsevier, 2023-11-01)
Let C(X) be the hyperspace of all subcontinua of a metric continuum X. An element A ∈ C(X) hollows to C(X) provided μ−1(μ(A)) − {A} is connected and non- unicoherent for each Whitney map μ for C(X). In this paper the ...