Variations on countable tightness

Authors
Publication date 18-04-2017
Journal Acta mathematica Hungarica
Volume | Issue number 153 | 1
Pages (from-to) 75-82
Organisations
  • Faculty of Science (FNWI) - Korteweg-de Vries Institute for Mathematics (KdVI)
Abstract We consider nine natural tightness conditions for topological spaces that are all variations on countable tightness, some stronger and some weaker than countable tightness. We investigate the interrelationships between them, presenting examples which show that mostly they are all different. However, a couple of intriguing problems of this type remain open.
Document type Article
Language English
Published at https://doi.org/10.1007/s10474-017-0714-6
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