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Listar por palabra clave "Scattered compact"

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Listar por palabra clave "Scattered compact"

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    Cofinitely and co-countably projective spaces 
    Mendoza Iturralde, Pablo; Tkachuk, Vladimir V. (Universitat Politècnica de València, 2002-10-01)
    [EN] We show that X is cofinitely projective if and only if it is a finite union of Alexandroff compactatifications of discrete spaces. We also prove that X is co-countably projective if and only if X admits no disjoint ...