A further strengthening of a theorem of Juhász and Spadaro

Published in: Quaestiones Mathematicae
Volume 37 , issue 3 , 2014 , pages: 303–307

DOI: 10.2989/16073606.2014.894674

Author(s): Angelo Bella Department of Mathematics, Italy

Keywords: 54A25 , 54D35 , 54A25 , 54D35

By using a stronger notion of free sequence, we improve a result of Juhász and Spadaro on the cardinality of a chain of spaces.

Input Error