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Listar por palabra clave "Gδ-diagonal"

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Listar por palabra clave "Gδ-diagonal"

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    A note on rank 2 diagonals 
    Bella, Angelo; Spadaro, Santi (Universitat Politècnica de València, 2020-04-03)
    [EN] We solve two questions regarding spaces with a (Gδ)-diagonal of rank 2. One is a question of Basile, Bella and Ridderbos about weakly Lindelöf spaces with a Gδ-diagonal of rank 2 and the other is a question of ...
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    Developable hyperspaces are metrizable 
    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 ...