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Compact condensations of Hausdorff spaces

General Topology 2020-07-27 v1

Abstract

In this paper, we continue to study one of the classic problems in general topology raised by P.S. Alexandrov: when a Hausdorff space XX has a continuous bijection (a condensation) onto a compactum? We concentrate on the situation when not only XX but also XYX\setminus Y can be condensed onto a compactum whenever the cardinality of YY does not exceed certain τ\tau.

Keywords

Cite

@article{arxiv.2007.12373,
  title  = {Compact condensations of Hausdorff spaces},
  author = {Vitalii I. Belugin and Alexander V. Osipov and Evgenii G. Pytkeev},
  journal= {arXiv preprint arXiv:2007.12373},
  year   = {2020}
}

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17 pages