Title of article :
Tight points and countable fan-tightness
Author/Authors :
Bella، نويسنده , , Angelo and van Mill، نويسنده , , Jan، نويسنده ,
Issue Information :
دوماهنامه با شماره پیاپی سال 1997
Abstract :
The countable spaces whose product with the sequential fan Sc have countable tightness are characterized. As a consequence, it is shown that if X × Sc has countable tightness then X has countable fan-tightness.
Keywords :
Countable fan-tightness , Sequential fan , Tight point
Journal title :
Topology and its Applications
Journal title :
Topology and its Applications
