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28 March 2024
 
  » arxiv » 1811.2386

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A note on rank 2 diagonals
Angelo Bella ; Santi Spadaro ;
Date 6 Nov 2018
AbstractWe solve two questions regarding spaces with a ($G_delta$)-diagonal of rank 2. One is a question of Basile, Bella and Ridderbos regarding weakly Lindel"of spaces with a $G_delta$-diagonal of rank 2 and the other is a question of Arhangel’skii and Bella asking whether every space with a diagonal of rank 2 and cellularity continuum has cardinality at most continuum.
Source arXiv, 1811.2386
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