Some notes on weakly Whyburn spaces

  • Obersnel F
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Abstract

We construct in ZFC two compact weakly Whyburn spaces that are not hereditarily weakly Whyburn, one of them is also sequential. We also construct a Hausdorff countably compact space and a Tychonoff topological group both of weight ω1 that are not weakly Whyburn. We finally show that Whyburn and weakly Whyburn properties are not preserved by pseudo-open maps. © 2002 Elsevier Science B.V. All rights reserved.

Author-supplied keywords

  • WAP space
  • Weakly Whyburn space

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Authors

  • Franco Obersnel

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