Mathematics – General Topology
Scientific paper
2009-03-20
Mathematics
General Topology
23 pages
Scientific paper
In the present paper, the Lindelof number and the degree of compactness of
spaces and of the cozero-dimensional kernel of paracompact spaces are
characterized in terms of selections of lower semi-continuous closed-valued
mappings into complete metrizable (or discrete) spaces.
Choban Mitrofan M.
Mihaylova Ekaterina P.
Nedev Stoyan I.
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