Characters of ultrafilters and tightness of products of fans

DOI10.1016/J.TOPOL.2006.07.017zbMath1125.54002OpenAlexW2001374451MaRDI QIDQ886303

Miroslav Hušek

Publication date: 26 June 2007

Published in: Topology and its Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.topol.2006.07.017

zbMATH Keywords

characterproducttightnessfanultrafilter

Mathematics Subject Classification ID

Cardinality properties (cardinal functions and inequalities, discrete subsets) (54A25) Ordinal and cardinal numbers (03E10)

Cites Work

• The tightness about sequential fans and combinatorial properties
• Tightness in products of fans and pseudo-fans
• Sequential fans in topology
• Productivity numbers in topological spaces
• Uniformly Exhaustive Submeasures and Nearly Additive Set Functions
• Refinement Properties and Extensions of Filters in Boolean Algebras
• A Subcategory of Top
• Sequential continuity and submeasurable cardinals
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