Holá, L'Ubica; Pelant, Jan; Zsilinszky, László(Universitat Politècnica de València, 2003-10-01)
[EN] Developability of hyperspace topologies (locally finite, (bounded) Vietoris, Fell, respectively) on the nonempty closed sets is characterized. Submetrizability and having a Gδ-diagonal in the hyperspace setting is ...