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ArticleOriginal scientific text

Title

Countably metacompact spaces in the constructible universe

Authors 1, 2

Affiliations

  1. Department of Mathematics, University of Toronto, Toronto, Ontario, Canada M5S 2M3
  2. Department of Mathematics, Ohio University, Athens, Ohio 45701-2979, U.S.A.

Abstract

We present a construction from ♢* of a first countable, regular, countably metacompact space with a closed discrete subspace that is not a Gδ. In addition some nonperfect spaces with σ-disjoint bases are constructed.

Keywords

ENG
countably metacompact, Gδ, ♢*

Bibliography

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Additional information

http://matwbn.icm.edu.pl/ksiazki/fm/fm143/fm14334.pdf

Fundamenta Mathematicae
1993/143/3
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Pages:
221-230
Main language of publication
English
Received
1992-09-11
Accepted
1993-03-25
Published
1993
Exact and natural sciences