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Listar por palabra clave "Star-Lindelöf"

RiuNet: Repositorio Institucional de la Universidad Politécnica de Valencia

Listar por palabra clave "Star-Lindelöf"

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    Embedding into discretely absolutely star-Lindelöf spaces II 
    Song, Yan-Kui (Universitat Politècnica de València, 2009-04-01)
    [EN] A space X is discretely absolutely star-Lindelöf if for every open cover U of X and every dense subset D of X, there exists a countable subset F of D such that F is discrete closed in X and St(F, U) = X, where St(F, ...
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    On set star-Lindelöf spaces 
    Singh, Sumit (Universitat Politècnica de València, 2022-10-03)
    [EN] A space X is said to be set star-Lindelöf if for each nonempty subset A of X and each collection U of open sets in X such that A ⊆ SU, there is a countable subset V of U such that A ⊆ St(SV, U). The class of set ...