In this note we give an affirmative answer to the following problem of Arhangel'skii: does there exists a first countable Tychonoff space such that no dense subspace of X is normal ?
A zero-dimensional Moore space without dense normal subspaces
FEDELI, Alessandro
2002-01-01
Abstract
In this note we give an affirmative answer to the following problem of Arhangel'skii: does there exists a first countable Tychonoff space such that no dense subspace of X is normal ?File in questo prodotto:
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