A note on rank 2 diagonals

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 Arhangel’skii and Bella asking whether every space with a diagonal of rank 2 and cellulari...

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Bibliographic Details
Main Authors: Angelo Bella, Santi Spadaro
Format: Article
Language:English
Published: Universitat Politècnica de València 2020-04-01
Series:Applied General Topology
Subjects:
Online Access:https://polipapers.upv.es/index.php/AGT/article/view/12065