A note on rank 2 diagonals
- Autori: Bella A.; Spadaro S.
- Anno di pubblicazione: 2020
- Tipologia: Articolo in rivista
- OA Link: http://hdl.handle.net/10447/480998
Abstract
We solve two questions regarding spaces with a (G)-diagonal of rank 2. One is a question of Basile, Bella and Ridderbos about weakly Lindelof spaces with a G-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.