4 citations · 4 across the 7 of their papers we have counts for
4 papers · 1 filter
On Cellular-Compact and related spaces
Angelo Bella
Tkachuk and Wilson proved that a regular first countable cellular-compact space has cardinality not exceeding the continuum. In the same paper they asked if this result continues t…
A common extension of Arhangel'skii's Theorem and the Hajnal-Juhasz inequality
Angelo Bella, Santi Spadaro
We present a bound for the weak Lindelöf number of the -modification of a Hausdorff space which implies various known cardinal inequalities, including the following two fundam…
Pseudoradial spaces and copies of
Angelo Bella, Alan Dow, Rodrigo Hernández-Gutiérrez
In this paper we compare the concepts of pseudoradial spaces and the recently defined strongly pseudoradial spaces in the realm of compact spaces. We show that $\mathrm{MA}+\mathfr…
On weakening tightness to weak tightness
Angelo Bella, Nathan Carlson
The weak tightness of a space was introduced in [11] with the property . We investigate several well-known results concerning and consider whethe…