On the Urysohn number of a topological space II

Published in: Quaestiones Mathematicae
Volume 37 , issue 3 , 2014 , pages: 445–449

DOI: 10.2989/16073606.2013.779613

Author(s): Maddalena Bonanzinga Dipartimento di Matematica, Italia , Bruno A. Pansera Dipartimento di Matematica, Italia

Keywords: 54A25 , 54D10 , 54A25 , 54D10

Some variations of Arhangel'skii inequality ∣X∣ = 2^χ(X)L(X) for every Hausdorff space X [3], given in [2] and [6] are improved.

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