Cardinal inequalities with Shanin number and \(\pi\)-character

DOI10.36045/j.bbms.220321azbMath1522.54006OpenAlexW4360585134MaRDI QIDQ6073806

Ivan S. Gotchev, Vladimir V. Tkachuk

Publication date: 18 September 2023

Published in: Bulletin of the Belgian Mathematical Society - Simon Stevin (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.36045/j.bbms.220321a

zbMATH Keywords

characterdensitytightnesscardinal inequalitiescaliber\(\pi\)-characterweak Lindelöf numberShanin numberclosed pseudocharacterregular diagonal degree

Mathematics Subject Classification ID

Noncompact covering properties (paracompact, Lindelöf, etc.) (54D20) Cardinality properties (cardinal functions and inequalities, discrete subsets) (54A25) Lower separation axioms ((T_0)--(T_3), etc.) (54D10)

Related Items (1)

On the upper bound of the cardinality of Hausdorff topological spaces

Cites Work

• Unnamed Item
• Unnamed Item
• Unnamed Item
• Unnamed Item
• Unnamed Item
• Unnamed Item
• Unnamed Item
• Regular \(G_{\delta}\)-diagonals and some upper bounds for cardinality of topological spaces
• The notion of o-tightness and C-embedded subspaces of products
• Star countable spaces and \(\omega \)-domination of discrete subspaces
• Cardinalities of weakly Lindelöf spaces with regular \(G_{\kappa}\)-diagonals
• The Almost Lindelöf Degree
• On the Cardinality of Urysohn Spaces
• Two New Topological Cardinal Inequalities
• A Cardinal Inequality for Topological Spaces Involving Closed Discrete Sets
• Some Spaces Related to Topological Inequalities Proven by the Erdos-Rado Theorem
• Weak extent, submetrizability and diagonal degrees

This page was built for publication: Cardinal inequalities with Shanin number and \(\pi\)-character